/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald, * Copyright (C) 1997-1998 Jay Painter * * NautilusCTree widget for GTK+ * Copyright (C) 1998 Lars Hamann and Stefan Jeske * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include #include "nautilus-ctree.h" #include #include #include #include #include #include #define PM_SIZE 8 #define TAB_SIZE (PM_SIZE + 6) #define CELL_SPACING 1 #define CLIST_OPTIMUM_SIZE 64 #define COLUMN_INSET 3 #define DRAG_WIDTH 6 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \ (((row) + 1) * CELL_SPACING) + \ (clist)->voffset) #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \ ((clist)->row_height + CELL_SPACING)) #define COLUMN_LEFT_XPIXEL(clist, col) ((clist)->column[(col)].area.x \ + (clist)->hoffset) #define COLUMN_LEFT(clist, column) ((clist)->column[(column)].area.x) static inline gint COLUMN_FROM_XPIXEL (GtkCList * clist, gint x) { gint i, cx; for (i = 0; i < clist->columns; i++) if (clist->column[i].visible) { cx = clist->column[i].area.x + clist->hoffset; if (x >= (cx - (COLUMN_INSET + CELL_SPACING)) && x <= (cx + clist->column[i].area.width + COLUMN_INSET)) return i; } /* no match */ return -1; } #define GTK_CLIST_CLASS_FW(_widget_) GTK_CLIST_CLASS (((GtkObject*) (_widget_))->klass) #define CLIST_UNFROZEN(clist) (((GtkCList*) (clist))->freeze_count == 0) #define CLIST_REFRESH(clist) G_STMT_START { \ if (CLIST_UNFROZEN (clist)) \ GTK_CLIST_CLASS_FW (clist)->refresh ((GtkCList*) (clist)); \ } G_STMT_END enum { ARG_0, ARG_N_COLUMNS, ARG_TREE_COLUMN, ARG_INDENT, ARG_SPACING, ARG_SHOW_STUB, ARG_LINE_STYLE }; static void nautilus_ctree_class_init (NautilusCTreeClass *klass); static void nautilus_ctree_init (NautilusCTree *ctree); static void nautilus_ctree_set_arg (GtkObject *object, GtkArg *arg, guint arg_id); static void nautilus_ctree_get_arg (GtkObject *object, GtkArg *arg, guint arg_id); static void nautilus_ctree_realize (GtkWidget *widget); static void nautilus_ctree_unrealize (GtkWidget *widget); static gint nautilus_ctree_button_press (GtkWidget *widget, GdkEventButton *event); static gboolean nautilus_ctree_event (GtkWidget *widget, GdkEvent *event, gpointer user_data); static void ctree_attach_styles (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void ctree_detach_styles (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static gint draw_cell_pixmap (GdkWindow *window, GdkRectangle *clip_rectangle, GdkGC *fg_gc, GdkPixmap *pixmap, GdkBitmap *mask, gint x, gint y, gint width, gint height); static void get_cell_style (GtkCList *clist, GtkCListRow *clist_row, gint state, gint column, GtkStyle **style, GdkGC **fg_gc, GdkGC **bg_gc); static gint nautilus_ctree_draw_expander (NautilusCTree *ctree, NautilusCTreeRow *ctree_row, GtkStyle *style, GdkRectangle *clip_rectangle, gint x); static gint nautilus_ctree_draw_lines (NautilusCTree *ctree, NautilusCTreeRow *ctree_row, gint row, gint column, gint state, GdkRectangle *clip_rectangle, GdkRectangle *cell_rectangle, GdkRectangle *crect, GdkRectangle *area, GtkStyle *style); static void draw_row (GtkCList *clist, GdkRectangle *area, gint row, GtkCListRow *clist_row); static void draw_drag_highlight (GtkCList *clist, GtkCListRow *dest_row, gint dest_row_number, GtkCListDragPos drag_pos); static void tree_draw_node (NautilusCTree *ctree, NautilusCTreeNode *node); static void set_cell_contents (GtkCList *clist, GtkCListRow *clist_row, gint column, GtkCellType type, const gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask); static void set_node_info (NautilusCTree *ctree, NautilusCTreeNode *node, const gchar *text, guint8 spacing, GdkPixmap *pixmap_closed, GdkBitmap *mask_closed, GdkPixmap *pixmap_opened, GdkBitmap *mask_opened, gboolean is_leaf, gboolean expanded); static NautilusCTreeRow *row_new (NautilusCTree *ctree); static void row_delete (NautilusCTree *ctree, NautilusCTreeRow *ctree_row); static void tree_delete (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void tree_delete_row (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void real_clear (GtkCList *clist); static void tree_update_level (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void tree_select (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void tree_unselect (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void real_select_all (GtkCList *clist); static void real_unselect_all (GtkCList *clist); static void tree_expand (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void tree_collapse (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void tree_collapse_to_depth (NautilusCTree *ctree, NautilusCTreeNode *node, gint depth); static void tree_toggle_expansion (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void change_focus_row_expansion (NautilusCTree *ctree, NautilusCTreeExpansionType expansion); static void real_select_row (GtkCList *clist, gint row, gint column, GdkEvent *event); static void real_unselect_row (GtkCList *clist, gint row, gint column, GdkEvent *event); static void real_tree_select (NautilusCTree *ctree, NautilusCTreeNode *node, gint column); static void real_tree_unselect (NautilusCTree *ctree, NautilusCTreeNode *node, gint column); static void real_tree_expand (NautilusCTree *ctree, NautilusCTreeNode *node); static void real_tree_collapse (NautilusCTree *ctree, NautilusCTreeNode *node); static void real_tree_move (NautilusCTree *ctree, NautilusCTreeNode *node, NautilusCTreeNode *new_parent, NautilusCTreeNode *new_sibling); static void real_row_move (GtkCList *clist, gint source_row, gint dest_row); static void nautilus_ctree_link (NautilusCTree *ctree, NautilusCTreeNode *node, NautilusCTreeNode *parent, NautilusCTreeNode *sibling, gboolean update_focus_row); static void nautilus_ctree_unlink (NautilusCTree *ctree, NautilusCTreeNode *node, gboolean update_focus_row); static NautilusCTreeNode * nautilus_ctree_last_visible (NautilusCTree *ctree, NautilusCTreeNode *node); static gboolean ctree_is_hot_spot (NautilusCTree *ctree, NautilusCTreeNode *node, gint row, gint x, gint y); static void tree_sort (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static void fake_unselect_all (GtkCList *clist, gint row); static GList * selection_find (GtkCList *clist, gint row_number, GList *row_list_element); static void resync_selection (GtkCList *clist, GdkEvent *event); static void real_undo_selection (GtkCList *clist); static void select_row_recursive (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data); static gint real_insert_row (GtkCList *clist, gint row, gchar *text[]); static void real_remove_row (GtkCList *clist, gint row); static void real_sort_list (GtkCList *clist); static void cell_size_request (GtkCList *clist, GtkCListRow *clist_row, gint column, GtkRequisition *requisition); static void column_auto_resize (GtkCList *clist, GtkCListRow *clist_row, gint column, gint old_width); static void auto_resize_columns (GtkCList *clist); static gboolean check_drag (NautilusCTree *ctree, NautilusCTreeNode *drag_source, NautilusCTreeNode *drag_target, GtkCListDragPos insert_pos); static void nautilus_ctree_drag_begin (GtkWidget *widget, GdkDragContext *context); static gint nautilus_ctree_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time); static void nautilus_ctree_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint32 time); static void remove_grab (GtkCList *clist); static void drag_dest_cell (GtkCList *clist, gint x, gint y, GtkCListDestInfo *dest_info); enum { TREE_SELECT_ROW, TREE_UNSELECT_ROW, TREE_EXPAND, TREE_COLLAPSE, TREE_MOVE, CHANGE_FOCUS_ROW_EXPANSION, LAST_SIGNAL }; static GtkCListClass *parent_class = NULL; static GtkContainerClass *container_class = NULL; static guint ctree_signals[LAST_SIGNAL] = {0}; GtkType nautilus_ctree_get_type (void) { static GtkType ctree_type = 0; if (!ctree_type) { static const GtkTypeInfo ctree_info = { "NautilusCTree", sizeof (NautilusCTree), sizeof (NautilusCTreeClass), (GtkClassInitFunc) nautilus_ctree_class_init, (GtkObjectInitFunc) nautilus_ctree_init, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL, }; ctree_type = gtk_type_unique (GTK_TYPE_CLIST, &ctree_info); } return ctree_type; } static void nautilus_ctree_class_init (NautilusCTreeClass *klass) { GtkObjectClass *object_class; GtkWidgetClass *widget_class; GtkCListClass *clist_class; GtkBindingSet *binding_set; object_class = (GtkObjectClass *) klass; widget_class = (GtkWidgetClass *) klass; container_class = (GtkContainerClass *) klass; clist_class = (GtkCListClass *) klass; parent_class = gtk_type_class (GTK_TYPE_CLIST); container_class = gtk_type_class (GTK_TYPE_CONTAINER); gtk_object_add_arg_type ("NautilusCTree::n_columns", GTK_TYPE_UINT, GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY, ARG_N_COLUMNS); gtk_object_add_arg_type ("NautilusCTree::tree_column", GTK_TYPE_UINT, GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY, ARG_TREE_COLUMN); gtk_object_add_arg_type ("NautilusCTree::indent", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_INDENT); gtk_object_add_arg_type ("NautilusCTree::spacing", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_SPACING); gtk_object_add_arg_type ("NautilusCTree::show_stub", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_SHOW_STUB); object_class->set_arg = nautilus_ctree_set_arg; object_class->get_arg = nautilus_ctree_get_arg; ctree_signals[TREE_SELECT_ROW] = gtk_signal_new ("tree_select_row", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (NautilusCTreeClass, tree_select_row), gtk_marshal_NONE__POINTER_INT, GTK_TYPE_NONE, 2, GTK_TYPE_CTREE_NODE, GTK_TYPE_INT); ctree_signals[TREE_UNSELECT_ROW] = gtk_signal_new ("tree_unselect_row", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (NautilusCTreeClass, tree_unselect_row), gtk_marshal_NONE__POINTER_INT, GTK_TYPE_NONE, 2, GTK_TYPE_CTREE_NODE, GTK_TYPE_INT); ctree_signals[TREE_EXPAND] = gtk_signal_new ("tree_expand", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (NautilusCTreeClass, tree_expand), gtk_marshal_NONE__POINTER, GTK_TYPE_NONE, 1, GTK_TYPE_CTREE_NODE); ctree_signals[TREE_COLLAPSE] = gtk_signal_new ("tree_collapse", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (NautilusCTreeClass, tree_collapse), gtk_marshal_NONE__POINTER, GTK_TYPE_NONE, 1, GTK_TYPE_CTREE_NODE); ctree_signals[TREE_MOVE] = gtk_signal_new ("tree_move", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (NautilusCTreeClass, tree_move), gtk_marshal_NONE__POINTER_POINTER_POINTER, GTK_TYPE_NONE, 3, GTK_TYPE_CTREE_NODE, GTK_TYPE_CTREE_NODE, GTK_TYPE_CTREE_NODE); ctree_signals[CHANGE_FOCUS_ROW_EXPANSION] = gtk_signal_new ("change_focus_row_expansion", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (NautilusCTreeClass, change_focus_row_expansion), gtk_marshal_NONE__ENUM, GTK_TYPE_NONE, 1, GTK_TYPE_CTREE_EXPANSION_TYPE); gtk_object_class_add_signals (object_class, ctree_signals, LAST_SIGNAL); widget_class->realize = nautilus_ctree_realize; widget_class->unrealize = nautilus_ctree_unrealize; widget_class->button_press_event = nautilus_ctree_button_press; widget_class->drag_begin = nautilus_ctree_drag_begin; widget_class->drag_motion = nautilus_ctree_drag_motion; widget_class->drag_data_received = nautilus_ctree_drag_data_received; clist_class->select_row = real_select_row; clist_class->unselect_row = real_unselect_row; clist_class->row_move = real_row_move; clist_class->undo_selection = real_undo_selection; clist_class->resync_selection = resync_selection; clist_class->selection_find = selection_find; clist_class->click_column = NULL; clist_class->draw_row = draw_row; clist_class->draw_drag_highlight = draw_drag_highlight; clist_class->clear = real_clear; clist_class->select_all = real_select_all; clist_class->unselect_all = real_unselect_all; clist_class->fake_unselect_all = fake_unselect_all; clist_class->insert_row = real_insert_row; clist_class->remove_row = real_remove_row; clist_class->sort_list = real_sort_list; clist_class->set_cell_contents = set_cell_contents; clist_class->cell_size_request = cell_size_request; klass->tree_select_row = real_tree_select; klass->tree_unselect_row = real_tree_unselect; klass->tree_expand = real_tree_expand; klass->tree_collapse = real_tree_collapse; klass->tree_move = real_tree_move; klass->change_focus_row_expansion = change_focus_row_expansion; binding_set = gtk_binding_set_by_class (klass); gtk_binding_entry_add_signal (binding_set, '+', GDK_SHIFT_MASK, "change_focus_row_expansion", 1, GTK_TYPE_ENUM, NAUTILUS_CTREE_EXPANSION_EXPAND); gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, 0, "change_focus_row_expansion", 1, GTK_TYPE_ENUM, NAUTILUS_CTREE_EXPANSION_EXPAND); gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, GDK_CONTROL_MASK, "change_focus_row_expansion", 1, GTK_TYPE_ENUM, NAUTILUS_CTREE_EXPANSION_EXPAND_RECURSIVE); gtk_binding_entry_add_signal (binding_set, '-', 0, "change_focus_row_expansion", 1, GTK_TYPE_ENUM, NAUTILUS_CTREE_EXPANSION_COLLAPSE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, 0, "change_focus_row_expansion", 1, GTK_TYPE_ENUM, NAUTILUS_CTREE_EXPANSION_COLLAPSE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, GDK_CONTROL_MASK, "change_focus_row_expansion", 1, GTK_TYPE_ENUM, NAUTILUS_CTREE_EXPANSION_COLLAPSE_RECURSIVE); gtk_binding_entry_add_signal (binding_set, '=', 0, "change_focus_row_expansion", 1, GTK_TYPE_ENUM, NAUTILUS_CTREE_EXPANSION_TOGGLE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Multiply, 0, "change_focus_row_expansion", 1, GTK_TYPE_ENUM, NAUTILUS_CTREE_EXPANSION_TOGGLE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Multiply, GDK_CONTROL_MASK, "change_focus_row_expansion", 1, GTK_TYPE_ENUM, NAUTILUS_CTREE_EXPANSION_TOGGLE_RECURSIVE); } static void nautilus_ctree_set_arg (GtkObject *object, GtkArg *arg, guint arg_id) { NautilusCTree *ctree; ctree = NAUTILUS_CTREE (object); switch (arg_id) { case ARG_N_COLUMNS: /* construct-only arg, only set when !GTK_CONSTRUCTED */ if (ctree->tree_column) nautilus_ctree_construct (ctree, MAX (1, GTK_VALUE_UINT (*arg)), ctree->tree_column, NULL); else GTK_CLIST (ctree)->columns = MAX (1, GTK_VALUE_UINT (*arg)); break; case ARG_TREE_COLUMN: /* construct-only arg, only set when !GTK_CONSTRUCTED */ if (GTK_CLIST (ctree)->columns) nautilus_ctree_construct (ctree, GTK_CLIST (ctree)->columns, MAX (1, GTK_VALUE_UINT (*arg)), NULL); else ctree->tree_column = MAX (1, GTK_VALUE_UINT (*arg)); break; case ARG_INDENT: nautilus_ctree_set_indent (ctree, GTK_VALUE_UINT (*arg)); break; case ARG_SPACING: nautilus_ctree_set_spacing (ctree, GTK_VALUE_UINT (*arg)); break; case ARG_SHOW_STUB: nautilus_ctree_set_show_stub (ctree, GTK_VALUE_BOOL (*arg)); break; case ARG_LINE_STYLE: nautilus_ctree_set_line_style (ctree, GTK_VALUE_ENUM (*arg)); break; default: break; } } static void nautilus_ctree_get_arg (GtkObject *object, GtkArg *arg, guint arg_id) { NautilusCTree *ctree; ctree = NAUTILUS_CTREE (object); switch (arg_id) { case ARG_N_COLUMNS: GTK_VALUE_UINT (*arg) = GTK_CLIST (ctree)->columns; break; case ARG_TREE_COLUMN: GTK_VALUE_UINT (*arg) = ctree->tree_column; break; case ARG_INDENT: GTK_VALUE_UINT (*arg) = ctree->tree_indent; break; case ARG_SPACING: GTK_VALUE_UINT (*arg) = ctree->tree_spacing; break; case ARG_SHOW_STUB: GTK_VALUE_BOOL (*arg) = ctree->show_stub; break; case ARG_LINE_STYLE: GTK_VALUE_ENUM (*arg) = ctree->line_style; break; default: arg->type = GTK_TYPE_INVALID; break; } } static void nautilus_ctree_init (NautilusCTree *ctree) { GtkCList *clist; GTK_CLIST_SET_FLAG (ctree, CLIST_DRAW_DRAG_RECT); GTK_CLIST_SET_FLAG (ctree, CLIST_DRAW_DRAG_LINE); clist = GTK_CLIST (ctree); ctree->tree_indent = 20; ctree->tree_spacing = 5; ctree->tree_column = 0; ctree->line_style = NAUTILUS_CTREE_LINES_NONE; ctree->drag_compare = NULL; ctree->show_stub = TRUE; ctree->prelight_node = NULL; clist->button_actions[0] |= GTK_BUTTON_EXPANDS; gtk_signal_connect (GTK_OBJECT (ctree), "event", GTK_SIGNAL_FUNC (nautilus_ctree_event), ctree); } static void ctree_attach_styles (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { GtkCList *clist; gint i; clist = GTK_CLIST (ctree); if (NAUTILUS_CTREE_ROW (node)->row.style) NAUTILUS_CTREE_ROW (node)->row.style = gtk_style_attach (NAUTILUS_CTREE_ROW (node)->row.style, clist->clist_window); if (NAUTILUS_CTREE_ROW (node)->row.fg_set || NAUTILUS_CTREE_ROW (node)->row.bg_set) { GdkColormap *colormap; colormap = gtk_widget_get_colormap (GTK_WIDGET (ctree)); if (NAUTILUS_CTREE_ROW (node)->row.fg_set) gdk_color_alloc (colormap, &(NAUTILUS_CTREE_ROW (node)->row.foreground)); if (NAUTILUS_CTREE_ROW (node)->row.bg_set) gdk_color_alloc (colormap, &(NAUTILUS_CTREE_ROW (node)->row.background)); } for (i = 0; i < clist->columns; i++) if (NAUTILUS_CTREE_ROW (node)->row.cell[i].style) NAUTILUS_CTREE_ROW (node)->row.cell[i].style = gtk_style_attach (NAUTILUS_CTREE_ROW (node)->row.cell[i].style, clist->clist_window); } static void ctree_detach_styles (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { GtkCList *clist; gint i; clist = GTK_CLIST (ctree); if (NAUTILUS_CTREE_ROW (node)->row.style) gtk_style_detach (NAUTILUS_CTREE_ROW (node)->row.style); for (i = 0; i < clist->columns; i++) if (NAUTILUS_CTREE_ROW (node)->row.cell[i].style) gtk_style_detach (NAUTILUS_CTREE_ROW (node)->row.cell[i].style); } static void nautilus_ctree_realize (GtkWidget *widget) { NautilusCTree *ctree; GtkCList *clist; GdkGCValues values; NautilusCTreeNode *node; NautilusCTreeNode *child; gint i; g_return_if_fail (widget != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (widget)); GTK_WIDGET_CLASS (parent_class)->realize (widget); ctree = NAUTILUS_CTREE (widget); clist = GTK_CLIST (widget); node = NAUTILUS_CTREE_NODE (clist->row_list); for (i = 0; i < clist->rows; i++) { if (NAUTILUS_CTREE_ROW (node)->children && !NAUTILUS_CTREE_ROW (node)->expanded) for (child = NAUTILUS_CTREE_ROW (node)->children; child; child = NAUTILUS_CTREE_ROW (child)->sibling) nautilus_ctree_pre_recursive (ctree, child, ctree_attach_styles, NULL); node = NAUTILUS_CTREE_NODE_NEXT (node); } values.foreground = widget->style->fg[GTK_STATE_NORMAL]; values.background = widget->style->base[GTK_STATE_NORMAL]; values.subwindow_mode = GDK_INCLUDE_INFERIORS; values.line_style = GDK_LINE_SOLID; ctree->lines_gc = gdk_gc_new_with_values (GTK_CLIST(widget)->clist_window, &values, GDK_GC_FOREGROUND | GDK_GC_BACKGROUND | GDK_GC_SUBWINDOW | GDK_GC_LINE_STYLE); if (ctree->line_style == NAUTILUS_CTREE_LINES_DOTTED) { gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_ON_OFF_DASH, None, None); gdk_gc_set_dashes (ctree->lines_gc, 0, "\1\1", 2); } } #define ROW_ELEMENT(clist, row) (((row) == (clist)->rows - 1) ? \ (clist)->row_list_end : \ g_list_nth ((clist)->row_list, (row))) static gint nautilus_ctree_event (GtkWidget *widget, GdkEvent *event, gpointer user_data) { GdkEventMotion *motion; int press_row, press_column, row; NautilusCTree *tree; NautilusCTreeNode *node, *old_node; NautilusCTreeRow *ctree_row; GtkCList *clist; gint x, y; GdkModifierType button; tree = NAUTILUS_CTREE (widget); clist = GTK_CLIST (widget); /* Do prelighting */ if (event->type == GDK_MOTION_NOTIFY) { motion = (GdkEventMotion *) event; /* Get node that we are over */ row = gtk_clist_get_selection_info (clist, motion->x, motion->y, &press_row, &press_column); if (row <= 0) { return FALSE; } ctree_row = ROW_ELEMENT (clist, press_row)->data; if (ctree_row == NULL) { return FALSE; } node = nautilus_ctree_find_node_ptr (tree, ctree_row); if (node == NULL) { return FALSE; } /* Cancel prelighting if we have a button pressed */ gdk_window_get_pointer (widget->window, &x, &y, &button); if ((button & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK | GDK_BUTTON4_MASK | GDK_BUTTON5_MASK)) != 0) { if (nautilus_ctree_is_hot_spot (tree, motion->x, motion->y)) { /* Handle moving in and out of hotspot while mouse is down */ if (!ctree_row->in_hotspot) { ctree_row->in_hotspot = TRUE; nautilus_ctree_draw_node (tree, node); } } else { if (ctree_row->in_hotspot) { ctree_row->in_hotspot = FALSE; nautilus_ctree_draw_node (tree, node); } } /* Remove prelighting */ if (tree->prelight_node != NULL) { old_node = tree->prelight_node; tree->prelight_node = NULL; nautilus_ctree_draw_node (tree, old_node); } return FALSE; } if (nautilus_ctree_is_hot_spot (tree, motion->x, motion->y)) { if (node != tree->prelight_node) { /* Redraw old prelit node and save and draw new highlight */ old_node = tree->prelight_node; tree->prelight_node = node; nautilus_ctree_draw_node (tree, old_node); nautilus_ctree_draw_node (tree, tree->prelight_node); } } else if (tree->prelight_node != NULL) { /* End prelighting of last expander */ old_node = tree->prelight_node; tree->prelight_node = NULL; nautilus_ctree_draw_node (tree, old_node); } } return FALSE; } static void nautilus_ctree_unrealize (GtkWidget *widget) { NautilusCTree *ctree; GtkCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (widget)); GTK_WIDGET_CLASS (parent_class)->unrealize (widget); ctree = NAUTILUS_CTREE (widget); clist = GTK_CLIST (widget); if (GTK_WIDGET_REALIZED (widget)) { NautilusCTreeNode *node; NautilusCTreeNode *child; gint i; node = NAUTILUS_CTREE_NODE (clist->row_list); for (i = 0; i < clist->rows; i++) { if (NAUTILUS_CTREE_ROW (node)->children && !NAUTILUS_CTREE_ROW (node)->expanded) for (child = NAUTILUS_CTREE_ROW (node)->children; child; child = NAUTILUS_CTREE_ROW (child)->sibling) nautilus_ctree_pre_recursive(ctree, child, ctree_detach_styles, NULL); node = NAUTILUS_CTREE_NODE_NEXT (node); } } gdk_gc_destroy (ctree->lines_gc); } static gint nautilus_ctree_button_press (GtkWidget *widget, GdkEventButton *event) { NautilusCTree *ctree; GtkCList *clist; gint button_actions; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (NAUTILUS_IS_CTREE (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); ctree = NAUTILUS_CTREE (widget); clist = GTK_CLIST (widget); button_actions = clist->button_actions[event->button - 1]; if (button_actions == GTK_BUTTON_IGNORED) { return FALSE; } if (event->window == clist->clist_window) { NautilusCTreeNode *work; gint x; gint y; gint row; gint column; x = event->x; y = event->y; if (!gtk_clist_get_selection_info (clist, x, y, &row, &column)) { return FALSE; } work = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, row)); if (button_actions & GTK_BUTTON_EXPANDS && (NAUTILUS_CTREE_ROW (work)->children && !NAUTILUS_CTREE_ROW (work)->is_leaf && (event->type == GDK_2BUTTON_PRESS || ctree_is_hot_spot (ctree, work, row, x, y)))) { if (NAUTILUS_CTREE_ROW (work)->expanded) { nautilus_ctree_collapse (ctree, work); } else { nautilus_ctree_expand (ctree, work); } return FALSE; } } return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, event); } static void draw_drag_highlight (GtkCList *clist, GtkCListRow *dest_row, gint dest_row_number, GtkCListDragPos drag_pos) { NautilusCTree *ctree; GdkPoint points[4]; gint level; gint i; gint y = 0; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); ctree = NAUTILUS_CTREE (clist); level = ((NautilusCTreeRow *)(dest_row))->level; y = ROW_TOP_YPIXEL (clist, dest_row_number) - 1; switch (drag_pos) { case GTK_CLIST_DRAG_NONE: break; case GTK_CLIST_DRAG_AFTER: y += clist->row_height + 1; case GTK_CLIST_DRAG_BEFORE: if (clist->column[ctree->tree_column].visible) switch (clist->column[ctree->tree_column].justification) { case GTK_JUSTIFY_CENTER: case GTK_JUSTIFY_FILL: case GTK_JUSTIFY_LEFT: if (ctree->tree_column > 0) gdk_draw_line (clist->clist_window, clist->xor_gc, COLUMN_LEFT_XPIXEL(clist, 0), y, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1)+ clist->column[ctree->tree_column - 1].area.width, y); gdk_draw_line (clist->clist_window, clist->xor_gc, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) + ctree->tree_indent * level - (ctree->tree_indent - PM_SIZE) / 2, y, GTK_WIDGET (ctree)->allocation.width, y); break; case GTK_JUSTIFY_RIGHT: if (ctree->tree_column < clist->columns - 1) gdk_draw_line (clist->clist_window, clist->xor_gc, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column + 1), y, COLUMN_LEFT_XPIXEL(clist, clist->columns - 1) + clist->column[clist->columns - 1].area.width, y); gdk_draw_line (clist->clist_window, clist->xor_gc, 0, y, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) + clist->column[ctree->tree_column].area.width - ctree->tree_indent * level + (ctree->tree_indent - PM_SIZE) / 2, y); break; } else gdk_draw_line (clist->clist_window, clist->xor_gc, 0, y, clist->clist_window_width, y); break; case GTK_CLIST_DRAG_INTO: y = ROW_TOP_YPIXEL (clist, dest_row_number) + clist->row_height; if (clist->column[ctree->tree_column].visible) switch (clist->column[ctree->tree_column].justification) { case GTK_JUSTIFY_CENTER: case GTK_JUSTIFY_FILL: case GTK_JUSTIFY_LEFT: points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) + ctree->tree_indent * level - (ctree->tree_indent - PM_SIZE) / 2; points[0].y = y; points[3].x = points[0].x; points[3].y = y - clist->row_height - 1; points[1].x = clist->clist_window_width - 1; points[1].y = points[0].y; points[2].x = points[1].x; points[2].y = points[3].y; for (i = 0; i < 3; i++) gdk_draw_line (clist->clist_window, clist->xor_gc, points[i].x, points[i].y, points[i+1].x, points[i+1].y); if (ctree->tree_column > 0) { points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1) + clist->column[ctree->tree_column - 1].area.width ; points[0].y = y; points[3].x = points[0].x; points[3].y = y - clist->row_height - 1; points[1].x = 0; points[1].y = points[0].y; points[2].x = 0; points[2].y = points[3].y; for (i = 0; i < 3; i++) gdk_draw_line (clist->clist_window, clist->xor_gc, points[i].x, points[i].y, points[i+1].x, points[i+1].y); } break; case GTK_JUSTIFY_RIGHT: points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) - ctree->tree_indent * level + (ctree->tree_indent - PM_SIZE) / 2 + clist->column[ctree->tree_column].area.width; points[0].y = y; points[3].x = points[0].x; points[3].y = y - clist->row_height - 1; points[1].x = 0; points[1].y = points[0].y; points[2].x = 0; points[2].y = points[3].y; for (i = 0; i < 3; i++) gdk_draw_line (clist->clist_window, clist->xor_gc, points[i].x, points[i].y, points[i+1].x, points[i+1].y); if (ctree->tree_column < clist->columns - 1) { points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column +1); points[0].y = y; points[3].x = points[0].x; points[3].y = y - clist->row_height - 1; points[1].x = clist->clist_window_width - 1; points[1].y = points[0].y; points[2].x = points[1].x; points[2].y = points[3].y; for (i = 0; i < 3; i++) gdk_draw_line (clist->clist_window, clist->xor_gc, points[i].x, points[i].y, points[i+1].x, points[i+1].y); } break; } else gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y - clist->row_height, clist->clist_window_width - 1, clist->row_height); break; } } static gint draw_cell_pixmap (GdkWindow *window, GdkRectangle *clip_rectangle, GdkGC *fg_gc, GdkPixmap *pixmap, GdkBitmap *mask, gint x, gint y, gint width, gint height) { gint xsrc = 0; gint ysrc = 0; if (mask) { gdk_gc_set_clip_mask (fg_gc, mask); gdk_gc_set_clip_origin (fg_gc, x, y); } if (x < clip_rectangle->x) { xsrc = clip_rectangle->x - x; width -= xsrc; x = clip_rectangle->x; } if (x + width > clip_rectangle->x + clip_rectangle->width) width = clip_rectangle->x + clip_rectangle->width - x; if (y < clip_rectangle->y) { ysrc = clip_rectangle->y - y; height -= ysrc; y = clip_rectangle->y; } if (y + height > clip_rectangle->y + clip_rectangle->height) height = clip_rectangle->y + clip_rectangle->height - y; if (width > 0 && height > 0) gdk_draw_pixmap (window, fg_gc, pixmap, xsrc, ysrc, x, y, width, height); if (mask) { gdk_gc_set_clip_rectangle (fg_gc, NULL); gdk_gc_set_clip_origin (fg_gc, 0, 0); } return x + MAX (width, 0); } static void get_cell_style (GtkCList *clist, GtkCListRow *clist_row, gint state, gint column, GtkStyle **style, GdkGC **fg_gc, GdkGC **bg_gc) { gint fg_state; if ((state == GTK_STATE_NORMAL) && (GTK_WIDGET (clist)->state == GTK_STATE_INSENSITIVE)) fg_state = GTK_STATE_INSENSITIVE; else fg_state = state; if (clist_row->cell[column].style) { if (style) *style = clist_row->cell[column].style; if (fg_gc) *fg_gc = clist_row->cell[column].style->fg_gc[fg_state]; if (bg_gc) { if (state == GTK_STATE_SELECTED) *bg_gc = clist_row->cell[column].style->bg_gc[state]; else *bg_gc = clist_row->cell[column].style->base_gc[state]; } } else if (clist_row->style) { if (style) *style = clist_row->style; if (fg_gc) *fg_gc = clist_row->style->fg_gc[fg_state]; if (bg_gc) { if (state == GTK_STATE_SELECTED) *bg_gc = clist_row->style->bg_gc[state]; else *bg_gc = clist_row->style->base_gc[state]; } } else { if (style) *style = GTK_WIDGET (clist)->style; if (fg_gc) *fg_gc = GTK_WIDGET (clist)->style->fg_gc[fg_state]; if (bg_gc) { if (state == GTK_STATE_SELECTED) *bg_gc = GTK_WIDGET (clist)->style->bg_gc[state]; else *bg_gc = GTK_WIDGET (clist)->style->base_gc[state]; } if (state != GTK_STATE_SELECTED) { if (fg_gc && clist_row->fg_set) *fg_gc = clist->fg_gc; if (bg_gc && clist_row->bg_set) *bg_gc = clist->bg_gc; } } } static gint nautilus_ctree_draw_expander (NautilusCTree *ctree, NautilusCTreeRow *ctree_row, GtkStyle *style, GdkRectangle *clip_rectangle, gint x) { GtkCList *clist; GdkPoint points[3]; gint justification_factor; gint y; NautilusCTreeNode *node; clist = GTK_CLIST (ctree); if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT) justification_factor = -1; else justification_factor = 1; y = (clip_rectangle->y + (clip_rectangle->height - PM_SIZE) / 2 - (clip_rectangle->height + 1) % 2); if (!ctree_row->children) { return x + justification_factor * (PM_SIZE + 3); } gdk_gc_set_clip_rectangle (style->fg_gc[GTK_STATE_NORMAL], clip_rectangle); gdk_gc_set_clip_rectangle (style->base_gc[GTK_STATE_NORMAL], clip_rectangle); if (ctree_row->expanded) { points[0].x = x; points[0].y = y + (PM_SIZE + 2) / 6; points[1].x = points[0].x + justification_factor * (PM_SIZE + 2); points[1].y = points[0].y; points[2].x = (points[0].x + justification_factor * (PM_SIZE + 2) / 2); points[2].y = y + 2 * (PM_SIZE + 2) / 3; } else { points[0].x = x + justification_factor * ((PM_SIZE + 2) / 6 + 2); points[0].y = y - 1; points[1].x = points[0].x; points[1].y = points[0].y + (PM_SIZE + 2); points[2].x = (points[0].x + justification_factor * (2 * (PM_SIZE + 2) / 3 - 1)); points[2].y = points[0].y + (PM_SIZE + 2) / 2; } gdk_draw_polygon (clist->clist_window, style->base_gc[GTK_STATE_NORMAL], TRUE, points, 3); if (ctree_row->mouse_down) { gdk_draw_polygon (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL], !ctree_row->in_hotspot, points, 3); } else { node = nautilus_ctree_find_node_ptr (ctree, ctree_row); if (node != NULL) { if (node == ctree->prelight_node) { /* Draw prelight state */ gdk_draw_polygon (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL], FALSE, points, 3); } else { gdk_draw_polygon (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL], TRUE, points, 3); } } } x += justification_factor * (PM_SIZE + 3); gdk_gc_set_clip_rectangle (style->fg_gc[GTK_STATE_NORMAL], NULL); gdk_gc_set_clip_rectangle (style->base_gc[GTK_STATE_NORMAL], NULL); return x; } static gint nautilus_ctree_draw_lines (NautilusCTree *ctree, NautilusCTreeRow *ctree_row, gint row, gint column, gint state, GdkRectangle *clip_rectangle, GdkRectangle *cell_rectangle, GdkRectangle *crect, GdkRectangle *area, GtkStyle *style) { GtkCList *clist; NautilusCTreeNode *node; NautilusCTreeNode *parent; GdkRectangle tree_rectangle; GdkRectangle tc_rectangle; GdkGC *bg_gc; gint offset; gint offset_x; gint offset_y; gint xcenter; gint ycenter; gint next_level; gint column_right; gint column_left; gint justify_right; gint justification_factor; clist = GTK_CLIST (ctree); ycenter = clip_rectangle->y + (clip_rectangle->height / 2); justify_right = (clist->column[column].justification == GTK_JUSTIFY_RIGHT); if (justify_right) { offset = (clip_rectangle->x + clip_rectangle->width - 1 - ctree->tree_indent * (ctree_row->level - 1)); justification_factor = -1; } else { offset = clip_rectangle->x + ctree->tree_indent * (ctree_row->level - 1); justification_factor = 1; } switch (ctree->line_style) { case NAUTILUS_CTREE_LINES_NONE: break; case NAUTILUS_CTREE_LINES_TABBED: xcenter = offset + justification_factor * TAB_SIZE; column_right = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) + clist->column[ctree->tree_column].area.width + COLUMN_INSET); column_left = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) - COLUMN_INSET - CELL_SPACING); if (area) { tree_rectangle.y = crect->y; tree_rectangle.height = crect->height; if (justify_right) { tree_rectangle.x = xcenter; tree_rectangle.width = column_right - xcenter; } else { tree_rectangle.x = column_left; tree_rectangle.width = xcenter - column_left; } if (!gdk_rectangle_intersect (area, &tree_rectangle, &tc_rectangle)) { offset += justification_factor * 3; break; } } gdk_gc_set_clip_rectangle (ctree->lines_gc, crect); next_level = ctree_row->level; if (!ctree_row->sibling || (ctree_row->children && ctree_row->expanded)) { node = nautilus_ctree_find_node_ptr (ctree, ctree_row); if (NAUTILUS_CTREE_NODE_NEXT (node)) next_level = NAUTILUS_CTREE_ROW (NAUTILUS_CTREE_NODE_NEXT (node))->level; else next_level = 0; } if (ctree->tree_indent > 0) { node = ctree_row->parent; while (node) { xcenter -= (justification_factor * ctree->tree_indent); if ((justify_right && xcenter < column_left) || (!justify_right && xcenter > column_right)) { node = NAUTILUS_CTREE_ROW (node)->parent; continue; } tree_rectangle.y = cell_rectangle->y; tree_rectangle.height = cell_rectangle->height; if (justify_right) { tree_rectangle.x = MAX (xcenter - ctree->tree_indent + 1, column_left); tree_rectangle.width = MIN (xcenter - column_left, ctree->tree_indent); } else { tree_rectangle.x = xcenter; tree_rectangle.width = MIN (column_right - xcenter, ctree->tree_indent); } if (!area || gdk_rectangle_intersect (area, &tree_rectangle, &tc_rectangle)) { get_cell_style (clist, &NAUTILUS_CTREE_ROW (node)->row, state, column, NULL, NULL, &bg_gc); if (bg_gc == clist->bg_gc) gdk_gc_set_foreground (clist->bg_gc, &NAUTILUS_CTREE_ROW (node)->row.background); if (!area) gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, tree_rectangle.x, tree_rectangle.y, tree_rectangle.width, tree_rectangle.height); else gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, tc_rectangle.x, tc_rectangle.y, tc_rectangle.width, tc_rectangle.height); } if (next_level > NAUTILUS_CTREE_ROW (node)->level) gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter, crect->y, xcenter, crect->y + crect->height); else { gint width; offset_x = MIN (ctree->tree_indent, 2 * TAB_SIZE); width = offset_x / 2 + offset_x % 2; parent = NAUTILUS_CTREE_ROW (node)->parent; tree_rectangle.y = ycenter; tree_rectangle.height = (cell_rectangle->y - ycenter + cell_rectangle->height); if (justify_right) { tree_rectangle.x = MAX(xcenter + 1 - width, column_left); tree_rectangle.width = MIN (xcenter + 1 - column_left, width); } else { tree_rectangle.x = xcenter; tree_rectangle.width = MIN (column_right - xcenter, width); } if (!area || gdk_rectangle_intersect (area, &tree_rectangle, &tc_rectangle)) { if (parent) { get_cell_style (clist, &NAUTILUS_CTREE_ROW (parent)->row, state, column, NULL, NULL, &bg_gc); if (bg_gc == clist->bg_gc) gdk_gc_set_foreground (clist->bg_gc, &NAUTILUS_CTREE_ROW (parent)->row.background); } else if (state == GTK_STATE_SELECTED) bg_gc = style->base_gc[state]; else bg_gc = GTK_WIDGET (clist)->style->base_gc[state]; if (!area) gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, tree_rectangle.x, tree_rectangle.y, tree_rectangle.width, tree_rectangle.height); else gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, tc_rectangle.x, tc_rectangle.y, tc_rectangle.width, tc_rectangle.height); } get_cell_style (clist, &NAUTILUS_CTREE_ROW (node)->row, state, column, NULL, NULL, &bg_gc); if (bg_gc == clist->bg_gc) gdk_gc_set_foreground (clist->bg_gc, &NAUTILUS_CTREE_ROW (node)->row.background); gdk_gc_set_clip_rectangle (bg_gc, crect); gdk_draw_arc (clist->clist_window, bg_gc, TRUE, xcenter - (justify_right * offset_x), cell_rectangle->y, offset_x, clist->row_height, (180 + (justify_right * 90)) * 64, 90 * 64); gdk_gc_set_clip_rectangle (bg_gc, NULL); gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter, cell_rectangle->y, xcenter, ycenter); if (justify_right) gdk_draw_arc (clist->clist_window, ctree->lines_gc, FALSE, xcenter - offset_x, cell_rectangle->y, offset_x, clist->row_height, 270 * 64, 90 * 64); else gdk_draw_arc (clist->clist_window, ctree->lines_gc, FALSE, xcenter, cell_rectangle->y, offset_x, clist->row_height, 180 * 64, 90 * 64); } node = NAUTILUS_CTREE_ROW (node)->parent; } } if (state != GTK_STATE_SELECTED) { tree_rectangle.y = clip_rectangle->y; tree_rectangle.height = clip_rectangle->height; tree_rectangle.width = COLUMN_INSET + CELL_SPACING + MIN (clist->column[ctree->tree_column].area.width + COLUMN_INSET, TAB_SIZE); if (justify_right) tree_rectangle.x = MAX (xcenter + 1, column_left); else tree_rectangle.x = column_left; if (!area) gdk_draw_rectangle (clist->clist_window, GTK_WIDGET (ctree)->style->base_gc[GTK_STATE_NORMAL], TRUE, tree_rectangle.x, tree_rectangle.y, tree_rectangle.width, tree_rectangle.height); else if (gdk_rectangle_intersect (area, &tree_rectangle, &tc_rectangle)) gdk_draw_rectangle (clist->clist_window, GTK_WIDGET (ctree)->style->base_gc[GTK_STATE_NORMAL], TRUE, tc_rectangle.x, tc_rectangle.y, tc_rectangle.width, tc_rectangle.height); } xcenter = offset + (justification_factor * ctree->tree_indent / 2); get_cell_style (clist, &ctree_row->row, state, column, NULL, NULL, &bg_gc); if (bg_gc == clist->bg_gc) gdk_gc_set_foreground (clist->bg_gc, &ctree_row->row.background); gdk_gc_set_clip_rectangle (bg_gc, crect); if (ctree_row->is_leaf) { GdkPoint points[6]; points[0].x = offset + justification_factor * TAB_SIZE; points[0].y = cell_rectangle->y; points[1].x = points[0].x - justification_factor * 4; points[1].y = points[0].y; points[2].x = points[1].x - justification_factor * 2; points[2].y = points[1].y + 3; points[3].x = points[2].x; points[3].y = points[2].y + clist->row_height - 5; points[4].x = points[3].x + justification_factor * 2; points[4].y = points[3].y + 3; points[5].x = points[4].x + justification_factor * 4; points[5].y = points[4].y; gdk_draw_polygon (clist->clist_window, bg_gc, TRUE, points, 6); gdk_draw_lines (clist->clist_window, ctree->lines_gc, points, 6); } else { gdk_draw_arc (clist->clist_window, bg_gc, TRUE, offset - (justify_right * 2 * TAB_SIZE), cell_rectangle->y, 2 * TAB_SIZE, clist->row_height, (90 + (180 * justify_right)) * 64, 180 * 64); gdk_draw_arc (clist->clist_window, ctree->lines_gc, FALSE, offset - (justify_right * 2 * TAB_SIZE), cell_rectangle->y, 2 * TAB_SIZE, clist->row_height, (90 + (180 * justify_right)) * 64, 180 * 64); } gdk_gc_set_clip_rectangle (bg_gc, NULL); gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL); offset += justification_factor * 3; break; default: xcenter = offset + justification_factor * PM_SIZE / 2; if (area) { tree_rectangle.y = crect->y; tree_rectangle.height = crect->height; if (justify_right) { tree_rectangle.x = xcenter - PM_SIZE / 2 - 2; tree_rectangle.width = (clip_rectangle->x + clip_rectangle->width -tree_rectangle.x); } else { tree_rectangle.x = clip_rectangle->x + PM_SIZE / 2; tree_rectangle.width = (xcenter + PM_SIZE / 2 + 2 - clip_rectangle->x); } if (!gdk_rectangle_intersect (area, &tree_rectangle, &tc_rectangle)) break; } offset_x = 1; offset_y = 0; if (ctree->line_style == NAUTILUS_CTREE_LINES_DOTTED) { offset_x += abs((clip_rectangle->x + clist->hoffset) % 2); offset_y = abs((cell_rectangle->y + clist->voffset) % 2); } clip_rectangle->y--; clip_rectangle->height++; gdk_gc_set_clip_rectangle (ctree->lines_gc, clip_rectangle); gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter, (ctree->show_stub || clist->row_list->data != ctree_row) ? cell_rectangle->y + offset_y : ycenter, xcenter, (ctree_row->sibling) ? crect->y +crect->height : ycenter); gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter + (justification_factor * offset_x), ycenter, xcenter + (justification_factor * (PM_SIZE / 2 + 2)), ycenter); node = ctree_row->parent; while (node) { xcenter -= (justification_factor * ctree->tree_indent); if (NAUTILUS_CTREE_ROW (node)->sibling) gdk_draw_line (clist->clist_window, ctree->lines_gc, xcenter, cell_rectangle->y + offset_y, xcenter, crect->y + crect->height); node = NAUTILUS_CTREE_ROW (node)->parent; } gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL); clip_rectangle->y++; clip_rectangle->height--; break; } return offset; } static void draw_row (GtkCList *clist, GdkRectangle *area, gint row, GtkCListRow *clist_row) { GtkWidget *widget; NautilusCTree *ctree; GdkRectangle *rect; GdkRectangle *crect; GdkRectangle row_rectangle; GdkRectangle cell_rectangle; GdkRectangle clip_rectangle; GdkRectangle intersect_rectangle; gint last_column; gint column_left = 0; gint column_right = 0; gint offset = 0; gint state; gint i; g_return_if_fail (clist != NULL); /* bail now if we arn't drawable yet */ if (!GTK_WIDGET_DRAWABLE (clist) || row < 0 || row >= clist->rows) return; widget = GTK_WIDGET (clist); ctree = NAUTILUS_CTREE (clist); /* if the function is passed the pointer to the row instead of null, * it avoids this expensive lookup */ if (!clist_row) clist_row = (g_list_nth (clist->row_list, row))->data; /* rectangle of the entire row */ row_rectangle.x = 0; row_rectangle.y = ROW_TOP_YPIXEL (clist, row); row_rectangle.width = clist->clist_window_width; row_rectangle.height = clist->row_height; /* rectangle of the cell spacing above the row */ cell_rectangle.x = 0; cell_rectangle.y = row_rectangle.y - CELL_SPACING; cell_rectangle.width = row_rectangle.width; cell_rectangle.height = CELL_SPACING; /* rectangle used to clip drawing operations, its y and height * positions only need to be set once, so we set them once here. * the x and width are set withing the drawing loop below once per * column */ clip_rectangle.y = row_rectangle.y; clip_rectangle.height = row_rectangle.height; if (clist_row->state == GTK_STATE_NORMAL) { if (clist_row->fg_set) gdk_gc_set_foreground (clist->fg_gc, &clist_row->foreground); if (clist_row->bg_set) gdk_gc_set_foreground (clist->bg_gc, &clist_row->background); } state = clist_row->state; gdk_gc_set_foreground (ctree->lines_gc, &widget->style->fg[clist_row->state]); /* draw the cell borders */ if (area) { rect = &intersect_rectangle; crect = &intersect_rectangle; if (gdk_rectangle_intersect (area, &cell_rectangle, crect)) gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_ACTIVE], TRUE, crect->x, crect->y, crect->width, crect->height); } else { rect = &clip_rectangle; crect = &cell_rectangle; gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_ACTIVE], TRUE, crect->x, crect->y, crect->width, crect->height); } /* horizontal black lines */ if (ctree->line_style == NAUTILUS_CTREE_LINES_TABBED) { column_right = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) + clist->column[ctree->tree_column].area.width + COLUMN_INSET); column_left = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) - COLUMN_INSET - (ctree->tree_column != 0) * CELL_SPACING); switch (clist->column[ctree->tree_column].justification) { case GTK_JUSTIFY_CENTER: case GTK_JUSTIFY_FILL: case GTK_JUSTIFY_LEFT: offset = (column_left + ctree->tree_indent * (((NautilusCTreeRow *)clist_row)->level - 1)); gdk_draw_line (clist->clist_window, ctree->lines_gc, MIN (offset + TAB_SIZE, column_right), cell_rectangle.y, clist->clist_window_width, cell_rectangle.y); break; case GTK_JUSTIFY_RIGHT: offset = (column_right - 1 - ctree->tree_indent * (((NautilusCTreeRow *)clist_row)->level - 1)); gdk_draw_line (clist->clist_window, ctree->lines_gc, -1, cell_rectangle.y, MAX (offset - TAB_SIZE, column_left), cell_rectangle.y); break; } } /* the last row has to clear its bottom cell spacing too */ if (clist_row == clist->row_list_end->data) { cell_rectangle.y += clist->row_height + CELL_SPACING; if (!area || gdk_rectangle_intersect (area, &cell_rectangle, crect)) { gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_ACTIVE], TRUE, crect->x, crect->y, crect->width, crect->height); /* horizontal black lines */ if (ctree->line_style == NAUTILUS_CTREE_LINES_TABBED) { switch (clist->column[ctree->tree_column].justification) { case GTK_JUSTIFY_CENTER: case GTK_JUSTIFY_FILL: case GTK_JUSTIFY_LEFT: gdk_draw_line (clist->clist_window, ctree->lines_gc, MIN (column_left + TAB_SIZE + COLUMN_INSET + (((NautilusCTreeRow *)clist_row)->level > 1) * MIN (ctree->tree_indent / 2, TAB_SIZE), column_right), cell_rectangle.y, clist->clist_window_width, cell_rectangle.y); break; case GTK_JUSTIFY_RIGHT: gdk_draw_line (clist->clist_window, ctree->lines_gc, -1, cell_rectangle.y, MAX (column_right - TAB_SIZE - 1 - COLUMN_INSET - (((NautilusCTreeRow *)clist_row)->level > 1) * MIN (ctree->tree_indent / 2, TAB_SIZE), column_left - 1), cell_rectangle.y); break; } } } } for (last_column = clist->columns - 1; last_column >= 0 && !clist->column[last_column].visible; last_column--) ; /* iterate and draw all the columns (row cells) and draw their contents */ for (i = 0; i < clist->columns; i++) { GtkStyle *style; GdkGC *fg_gc; GdkGC *bg_gc; gint width; gint height; gint pixmap_width; gint string_width; gint old_offset; gint row_center_offset; if (!clist->column[i].visible) continue; get_cell_style (clist, clist_row, state, i, &style, &fg_gc, &bg_gc); /* calculate clipping region */ clip_rectangle.x = clist->column[i].area.x + clist->hoffset; clip_rectangle.width = clist->column[i].area.width; cell_rectangle.x = clip_rectangle.x - COLUMN_INSET - CELL_SPACING; cell_rectangle.width = (clip_rectangle.width + 2 * COLUMN_INSET + (1 + (i == last_column)) * CELL_SPACING); cell_rectangle.y = clip_rectangle.y; cell_rectangle.height = clip_rectangle.height; string_width = 0; pixmap_width = 0; if (area && !gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle)) { if (i != ctree->tree_column) continue; } else { gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, crect->x, crect->y, crect->width, crect->height); /* calculate real width for column justification */ switch (clist_row->cell[i].type) { case GTK_CELL_TEXT: width = gdk_string_width (style->font, GTK_CELL_TEXT (clist_row->cell[i])->text); break; case GTK_CELL_PIXMAP: gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap, &pixmap_width, &height); width = pixmap_width; break; case GTK_CELL_PIXTEXT: if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap) gdk_window_get_size (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, &pixmap_width, &height); width = pixmap_width; if (GTK_CELL_PIXTEXT (clist_row->cell[i])->text) { string_width = gdk_string_width (style->font, GTK_CELL_PIXTEXT (clist_row->cell[i])->text); width += string_width; } if (GTK_CELL_PIXTEXT (clist_row->cell[i])->text && GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap) width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; if (i == ctree->tree_column) width += (ctree->tree_indent * ((NautilusCTreeRow *)clist_row)->level); break; default: continue; break; } switch (clist->column[i].justification) { case GTK_JUSTIFY_LEFT: offset = clip_rectangle.x + clist_row->cell[i].horizontal; break; case GTK_JUSTIFY_RIGHT: offset = (clip_rectangle.x + clist_row->cell[i].horizontal + clip_rectangle.width - width); break; case GTK_JUSTIFY_CENTER: case GTK_JUSTIFY_FILL: offset = (clip_rectangle.x + clist_row->cell[i].horizontal + (clip_rectangle.width / 2) - (width / 2)); break; }; if (i != ctree->tree_column) { offset += clist_row->cell[i].horizontal; switch (clist_row->cell[i].type) { case GTK_CELL_PIXMAP: draw_cell_pixmap (clist->clist_window, &clip_rectangle, fg_gc, GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap, GTK_CELL_PIXMAP (clist_row->cell[i])->mask, offset, clip_rectangle.y + clist_row->cell[i].vertical + (clip_rectangle.height - height) / 2, pixmap_width, height); break; case GTK_CELL_PIXTEXT: offset = draw_cell_pixmap (clist->clist_window, &clip_rectangle, fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask, offset, clip_rectangle.y + clist_row->cell[i].vertical + (clip_rectangle.height - height) / 2, pixmap_width, height); offset += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; case GTK_CELL_TEXT: if (style != GTK_WIDGET (clist)->style) row_center_offset = (((clist->row_height - style->font->ascent - style->font->descent - 1) / 2) + 1.5 + style->font->ascent); else row_center_offset = clist->row_center_offset; gdk_gc_set_clip_rectangle (fg_gc, &clip_rectangle); gdk_draw_string (clist->clist_window, style->font, fg_gc, offset, row_rectangle.y + row_center_offset + clist_row->cell[i].vertical, (clist_row->cell[i].type == GTK_CELL_PIXTEXT) ? GTK_CELL_PIXTEXT (clist_row->cell[i])->text : GTK_CELL_TEXT (clist_row->cell[i])->text); gdk_gc_set_clip_rectangle (fg_gc, NULL); break; default: break; } continue; } } if (bg_gc == clist->bg_gc) gdk_gc_set_background (ctree->lines_gc, &clist_row->background); /* draw ctree->tree_column */ cell_rectangle.y -= CELL_SPACING; cell_rectangle.height += CELL_SPACING; if (area && !gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle)) continue; /* draw lines */ offset = nautilus_ctree_draw_lines (ctree, (NautilusCTreeRow *)clist_row, row, i, state, &clip_rectangle, &cell_rectangle, crect, area, style); /* draw expander */ offset = nautilus_ctree_draw_expander (ctree, (NautilusCTreeRow *)clist_row, style, &clip_rectangle, offset); if (clist->column[i].justification == GTK_JUSTIFY_RIGHT) offset -= ctree->tree_spacing; else offset += ctree->tree_spacing; if (clist->column[i].justification == GTK_JUSTIFY_RIGHT) offset -= (pixmap_width + clist_row->cell[i].horizontal); else offset += clist_row->cell[i].horizontal; old_offset = offset; offset = draw_cell_pixmap (clist->clist_window, &clip_rectangle, fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask, offset, clip_rectangle.y + clist_row->cell[i].vertical + (clip_rectangle.height - height) / 2, pixmap_width, height); if (string_width) { if (clist->column[i].justification == GTK_JUSTIFY_RIGHT) { offset = (old_offset - string_width); if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap) offset -= GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; } else { if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap) offset += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; } if (style != GTK_WIDGET (clist)->style) row_center_offset = (((clist->row_height - style->font->ascent - style->font->descent - 1) / 2) + 1.5 + style->font->ascent); else row_center_offset = clist->row_center_offset; gdk_gc_set_clip_rectangle (fg_gc, &clip_rectangle); gdk_draw_string (clist->clist_window, style->font, fg_gc, offset, row_rectangle.y + row_center_offset + clist_row->cell[i].vertical, GTK_CELL_PIXTEXT (clist_row->cell[i])->text); } gdk_gc_set_clip_rectangle (fg_gc, NULL); } /* draw focus rectangle */ if (clist->focus_row == row && GTK_WIDGET_CAN_FOCUS (widget) && GTK_WIDGET_HAS_FOCUS (widget)) { if (!area) gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, row_rectangle.x, row_rectangle.y, row_rectangle.width - 1, row_rectangle.height - 1); else if (gdk_rectangle_intersect (area, &row_rectangle, &intersect_rectangle)) { gdk_gc_set_clip_rectangle (clist->xor_gc, &intersect_rectangle); gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, row_rectangle.x, row_rectangle.y, row_rectangle.width - 1, row_rectangle.height - 1); gdk_gc_set_clip_rectangle (clist->xor_gc, NULL); } } } void nautilus_ctree_draw_node (NautilusCTree *ctree, NautilusCTreeNode *node) { if (ctree == NULL || node == NULL) { return; } tree_draw_node (ctree, node); } static void tree_draw_node (NautilusCTree *ctree, NautilusCTreeNode *node) { GtkCList *clist; clist = GTK_CLIST (ctree); if (CLIST_UNFROZEN (clist) && nautilus_ctree_is_viewable (ctree, node)) { NautilusCTreeNode *work; gint num = 0; work = NAUTILUS_CTREE_NODE (clist->row_list); while (work && work != node) { work = NAUTILUS_CTREE_NODE_NEXT (work); num++; } if (work && gtk_clist_row_is_visible (clist, num) != GTK_VISIBILITY_NONE) { GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, num, GTK_CLIST_ROW ((GList *) node)); } } } static NautilusCTreeNode * nautilus_ctree_last_visible (NautilusCTree *ctree, NautilusCTreeNode *node) { NautilusCTreeNode *work; if (!node) return NULL; work = NAUTILUS_CTREE_ROW (node)->children; if (!work || !NAUTILUS_CTREE_ROW (node)->expanded) return node; while (NAUTILUS_CTREE_ROW (work)->sibling) work = NAUTILUS_CTREE_ROW (work)->sibling; return nautilus_ctree_last_visible (ctree, work); } static void nautilus_ctree_link (NautilusCTree *ctree, NautilusCTreeNode *node, NautilusCTreeNode *parent, NautilusCTreeNode *sibling, gboolean update_focus_row) { GtkCList *clist; GList *list_end; GList *list; GList *work; gboolean visible = FALSE; gint rows = 0; if (sibling) g_return_if_fail (NAUTILUS_CTREE_ROW (sibling)->parent == parent); g_return_if_fail (node != NULL); g_return_if_fail (node != sibling); g_return_if_fail (node != parent); clist = GTK_CLIST (ctree); if (update_focus_row && clist->selection_mode == GTK_SELECTION_EXTENDED) { GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; } for (rows = 1, list_end = (GList *)node; list_end->next; list_end = list_end->next) rows++; NAUTILUS_CTREE_ROW (node)->parent = parent; NAUTILUS_CTREE_ROW (node)->sibling = sibling; if (!parent || (parent && (nautilus_ctree_is_viewable (ctree, parent) && NAUTILUS_CTREE_ROW (parent)->expanded))) { visible = TRUE; clist->rows += rows; } if (parent) work = (GList *)(NAUTILUS_CTREE_ROW (parent)->children); else work = clist->row_list; if (sibling) { if (work != (GList *)sibling) { while (NAUTILUS_CTREE_ROW (work)->sibling != sibling) work = (GList *)(NAUTILUS_CTREE_ROW (work)->sibling); NAUTILUS_CTREE_ROW (work)->sibling = node; } if (sibling == NAUTILUS_CTREE_NODE (clist->row_list)) clist->row_list = (GList *) node; if (NAUTILUS_CTREE_NODE_PREV (sibling) && NAUTILUS_CTREE_NODE_NEXT (NAUTILUS_CTREE_NODE_PREV (sibling)) == sibling) { list = (GList *)NAUTILUS_CTREE_NODE_PREV (sibling); list->next = (GList *)node; } list = (GList *)node; list->prev = (GList *)NAUTILUS_CTREE_NODE_PREV (sibling); list_end->next = (GList *)sibling; list = (GList *)sibling; list->prev = list_end; if (parent && NAUTILUS_CTREE_ROW (parent)->children == sibling) NAUTILUS_CTREE_ROW (parent)->children = node; } else { if (work) { /* find sibling */ while (NAUTILUS_CTREE_ROW (work)->sibling) work = (GList *)(NAUTILUS_CTREE_ROW (work)->sibling); NAUTILUS_CTREE_ROW (work)->sibling = node; /* find last visible child of sibling */ work = (GList *) nautilus_ctree_last_visible (ctree, NAUTILUS_CTREE_NODE (work)); list_end->next = work->next; if (work->next) list = work->next->prev = list_end; work->next = (GList *)node; list = (GList *)node; list->prev = work; } else { if (parent) { NAUTILUS_CTREE_ROW (parent)->children = node; list = (GList *)node; list->prev = (GList *)parent; if (NAUTILUS_CTREE_ROW (parent)->expanded) { list_end->next = (GList *)NAUTILUS_CTREE_NODE_NEXT (parent); if (NAUTILUS_CTREE_NODE_NEXT(parent)) { list = (GList *)NAUTILUS_CTREE_NODE_NEXT (parent); list->prev = list_end; } list = (GList *)parent; list->next = (GList *)node; } else list_end->next = NULL; } else { clist->row_list = (GList *)node; list = (GList *)node; list->prev = NULL; list_end->next = NULL; } } } nautilus_ctree_pre_recursive (ctree, node, tree_update_level, NULL); if (clist->row_list_end == NULL || clist->row_list_end->next == (GList *)node) clist->row_list_end = list_end; if (visible && update_focus_row) { gint pos; pos = g_list_position (clist->row_list, (GList *)node); if (pos <= clist->focus_row) { clist->focus_row += rows; clist->undo_anchor = clist->focus_row; } } } static void nautilus_ctree_unlink (NautilusCTree *ctree, NautilusCTreeNode *node, gboolean update_focus_row) { GtkCList *clist; gint rows; gint level; gint visible; NautilusCTreeNode *work; NautilusCTreeNode *parent; GList *list; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); clist = GTK_CLIST (ctree); if (update_focus_row && clist->selection_mode == GTK_SELECTION_EXTENDED) { GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; } visible = nautilus_ctree_is_viewable (ctree, node); /* clist->row_list_end unlinked ? */ if (visible && (NAUTILUS_CTREE_NODE_NEXT (node) == NULL || (NAUTILUS_CTREE_ROW (node)->children && nautilus_ctree_is_ancestor (ctree, node, NAUTILUS_CTREE_NODE (clist->row_list_end))))) clist->row_list_end = (GList *) (NAUTILUS_CTREE_NODE_PREV (node)); /* update list */ rows = 0; level = NAUTILUS_CTREE_ROW (node)->level; work = NAUTILUS_CTREE_NODE_NEXT (node); while (work && NAUTILUS_CTREE_ROW (work)->level > level) { work = NAUTILUS_CTREE_NODE_NEXT (work); rows++; } if (visible) { clist->rows -= (rows + 1); if (update_focus_row) { gint pos; pos = g_list_position (clist->row_list, (GList *)node); if (pos + rows < clist->focus_row) clist->focus_row -= (rows + 1); else if (pos <= clist->focus_row) { if (!NAUTILUS_CTREE_ROW (node)->sibling) clist->focus_row = MAX (pos - 1, 0); else clist->focus_row = pos; clist->focus_row = MIN (clist->focus_row, clist->rows - 1); } clist->undo_anchor = clist->focus_row; } } if (work) { list = (GList *)NAUTILUS_CTREE_NODE_PREV (work); list->next = NULL; list = (GList *)work; list->prev = (GList *)NAUTILUS_CTREE_NODE_PREV (node); } if (NAUTILUS_CTREE_NODE_PREV (node) && NAUTILUS_CTREE_NODE_NEXT (NAUTILUS_CTREE_NODE_PREV (node)) == node) { list = (GList *)NAUTILUS_CTREE_NODE_PREV (node); list->next = (GList *)work; } /* update tree */ parent = NAUTILUS_CTREE_ROW (node)->parent; if (parent) { if (NAUTILUS_CTREE_ROW (parent)->children == node) { NAUTILUS_CTREE_ROW (parent)->children = NAUTILUS_CTREE_ROW (node)->sibling; if (!NAUTILUS_CTREE_ROW (parent)->children) nautilus_ctree_collapse (ctree, parent); } else { NautilusCTreeNode *sibling; sibling = NAUTILUS_CTREE_ROW (parent)->children; while (NAUTILUS_CTREE_ROW (sibling)->sibling != node) sibling = NAUTILUS_CTREE_ROW (sibling)->sibling; NAUTILUS_CTREE_ROW (sibling)->sibling = NAUTILUS_CTREE_ROW (node)->sibling; } } else { if (clist->row_list == (GList *)node) clist->row_list = (GList *) (NAUTILUS_CTREE_ROW (node)->sibling); else { NautilusCTreeNode *sibling; sibling = NAUTILUS_CTREE_NODE (clist->row_list); while (NAUTILUS_CTREE_ROW (sibling)->sibling != node) sibling = NAUTILUS_CTREE_ROW (sibling)->sibling; NAUTILUS_CTREE_ROW (sibling)->sibling = NAUTILUS_CTREE_ROW (node)->sibling; } } } static void real_row_move (GtkCList *clist, gint source_row, gint dest_row) { NautilusCTree *ctree; NautilusCTreeNode *node; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); if (GTK_CLIST_AUTO_SORT (clist)) return; if (source_row < 0 || source_row >= clist->rows || dest_row < 0 || dest_row >= clist->rows || source_row == dest_row) return; ctree = NAUTILUS_CTREE (clist); node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, source_row)); if (source_row < dest_row) { NautilusCTreeNode *work; dest_row++; work = NAUTILUS_CTREE_ROW (node)->children; while (work && NAUTILUS_CTREE_ROW (work)->level > NAUTILUS_CTREE_ROW (node)->level) { work = NAUTILUS_CTREE_NODE_NEXT (work); dest_row++; } if (dest_row > clist->rows) dest_row = clist->rows; } if (dest_row < clist->rows) { NautilusCTreeNode *sibling; sibling = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, dest_row)); nautilus_ctree_move (ctree, node, NAUTILUS_CTREE_ROW (sibling)->parent, sibling); } else nautilus_ctree_move (ctree, node, NULL, NULL); } static void real_tree_move (NautilusCTree *ctree, NautilusCTreeNode *node, NautilusCTreeNode *new_parent, NautilusCTreeNode *new_sibling) { GtkCList *clist; NautilusCTreeNode *work; gboolean visible = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (node != NULL); g_return_if_fail (!new_sibling || NAUTILUS_CTREE_ROW (new_sibling)->parent == new_parent); if (new_parent && NAUTILUS_CTREE_ROW (new_parent)->is_leaf) return; /* new_parent != child of child */ for (work = new_parent; work; work = NAUTILUS_CTREE_ROW (work)->parent) if (work == node) return; clist = GTK_CLIST (ctree); visible = nautilus_ctree_is_viewable (ctree, node); if (clist->selection_mode == GTK_SELECTION_EXTENDED) { GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; } if (GTK_CLIST_AUTO_SORT (clist)) { if (new_parent == NAUTILUS_CTREE_ROW (node)->parent) return; if (new_parent) new_sibling = NAUTILUS_CTREE_ROW (new_parent)->children; else new_sibling = NAUTILUS_CTREE_NODE (clist->row_list); while (new_sibling && clist->compare (clist, NAUTILUS_CTREE_ROW (node), NAUTILUS_CTREE_ROW (new_sibling)) > 0) new_sibling = NAUTILUS_CTREE_ROW (new_sibling)->sibling; } if (new_parent == NAUTILUS_CTREE_ROW (node)->parent && new_sibling == NAUTILUS_CTREE_ROW (node)->sibling) return; gtk_clist_freeze (clist); work = NULL; if (nautilus_ctree_is_viewable (ctree, node) || nautilus_ctree_is_viewable (ctree, new_sibling)) work = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row)); nautilus_ctree_unlink (ctree, node, FALSE); nautilus_ctree_link (ctree, node, new_parent, new_sibling, FALSE); if (work) { while (work && !nautilus_ctree_is_viewable (ctree, work)) work = NAUTILUS_CTREE_ROW (work)->parent; clist->focus_row = g_list_position (clist->row_list, (GList *)work); clist->undo_anchor = clist->focus_row; } if (clist->column[ctree->tree_column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist) && (visible || nautilus_ctree_is_viewable (ctree, node))) gtk_clist_set_column_width (clist, ctree->tree_column, gtk_clist_optimal_column_width (clist, ctree->tree_column)); gtk_clist_thaw (clist); } static void change_focus_row_expansion (NautilusCTree *ctree, NautilusCTreeExpansionType action) { GtkCList *clist; NautilusCTreeNode *node; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (ctree)) return; if (!(node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row))) || NAUTILUS_CTREE_ROW (node)->is_leaf || !(NAUTILUS_CTREE_ROW (node)->children)) return; switch (action) { case NAUTILUS_CTREE_EXPANSION_EXPAND: nautilus_ctree_expand (ctree, node); break; case NAUTILUS_CTREE_EXPANSION_EXPAND_RECURSIVE: nautilus_ctree_expand_recursive (ctree, node); break; case NAUTILUS_CTREE_EXPANSION_COLLAPSE: nautilus_ctree_collapse (ctree, node); break; case NAUTILUS_CTREE_EXPANSION_COLLAPSE_RECURSIVE: nautilus_ctree_collapse_recursive (ctree, node); break; case NAUTILUS_CTREE_EXPANSION_TOGGLE: nautilus_ctree_toggle_expansion (ctree, node); break; case NAUTILUS_CTREE_EXPANSION_TOGGLE_RECURSIVE: nautilus_ctree_toggle_expansion_recursive (ctree, node); break; } } static void real_tree_expand (NautilusCTree *ctree, NautilusCTreeNode *node) { GtkCList *clist; NautilusCTreeNode *work; GtkRequisition requisition; gboolean visible; gint level; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); if (!node || NAUTILUS_CTREE_ROW (node)->expanded || NAUTILUS_CTREE_ROW (node)->is_leaf) return; clist = GTK_CLIST (ctree); GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); NAUTILUS_CTREE_ROW (node)->expanded = TRUE; level = NAUTILUS_CTREE_ROW (node)->level; visible = nautilus_ctree_is_viewable (ctree, node); /* get cell width if tree_column is auto resized */ if (visible && clist->column[ctree->tree_column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, &NAUTILUS_CTREE_ROW (node)->row, ctree->tree_column, &requisition); /* unref/unset closed pixmap */ if (GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap) { gdk_pixmap_unref (GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap); GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap = NULL; if (GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask) { gdk_pixmap_unref (GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask); GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask = NULL; } } /* set/ref opened pixmap */ if (NAUTILUS_CTREE_ROW (node)->pixmap_opened) { GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap = gdk_pixmap_ref (NAUTILUS_CTREE_ROW (node)->pixmap_opened); if (NAUTILUS_CTREE_ROW (node)->mask_opened) GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask = gdk_pixmap_ref (NAUTILUS_CTREE_ROW (node)->mask_opened); } work = NAUTILUS_CTREE_ROW (node)->children; if (work) { GList *list = (GList *)work; gint *cell_width = NULL; gint tmp = 0; gint row; gint i; if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) { cell_width = g_new0 (gint, clist->columns); if (clist->column[ctree->tree_column].auto_resize) cell_width[ctree->tree_column] = requisition.width; while (work) { /* search maximum cell widths of auto_resize columns */ for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize) { GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, &NAUTILUS_CTREE_ROW (work)->row, i, &requisition); cell_width[i] = MAX (requisition.width, cell_width[i]); } list = (GList *)work; work = NAUTILUS_CTREE_NODE_NEXT (work); tmp++; } } else while (work) { list = (GList *)work; work = NAUTILUS_CTREE_NODE_NEXT (work); tmp++; } list->next = (GList *)NAUTILUS_CTREE_NODE_NEXT (node); if (NAUTILUS_CTREE_NODE_NEXT (node)) { GList *tmp_list; tmp_list = (GList *)NAUTILUS_CTREE_NODE_NEXT (node); tmp_list->prev = list; } else clist->row_list_end = list; list = (GList *)node; list->next = (GList *)(NAUTILUS_CTREE_ROW (node)->children); if (visible) { /* resize auto_resize columns if needed */ for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize && cell_width[i] > clist->column[i].width) gtk_clist_set_column_width (clist, i, cell_width[i]); g_free (cell_width); /* update focus_row position */ row = g_list_position (clist->row_list, (GList *)node); if (row < clist->focus_row) clist->focus_row += tmp; clist->rows += tmp; CLIST_REFRESH (clist); } } else if (visible && clist->column[ctree->tree_column].auto_resize) /* resize tree_column if needed */ column_auto_resize (clist, &NAUTILUS_CTREE_ROW (node)->row, ctree->tree_column, requisition.width); } static void real_tree_collapse (NautilusCTree *ctree, NautilusCTreeNode *node) { GtkCList *clist; NautilusCTreeNode *work; GtkRequisition requisition; gboolean visible; gint level; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); if (!node || !NAUTILUS_CTREE_ROW (node)->expanded || NAUTILUS_CTREE_ROW (node)->is_leaf) return; clist = GTK_CLIST (ctree); GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); NAUTILUS_CTREE_ROW (node)->expanded = FALSE; level = NAUTILUS_CTREE_ROW (node)->level; visible = nautilus_ctree_is_viewable (ctree, node); /* get cell width if tree_column is auto resized */ if (visible && clist->column[ctree->tree_column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, &NAUTILUS_CTREE_ROW (node)->row, ctree->tree_column, &requisition); /* unref/unset opened pixmap */ if (GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap) { gdk_pixmap_unref (GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap); GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap = NULL; if (GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask) { gdk_pixmap_unref (GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask); GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask = NULL; } } /* set/ref closed pixmap */ if (NAUTILUS_CTREE_ROW (node)->pixmap_closed) { GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap = gdk_pixmap_ref (NAUTILUS_CTREE_ROW (node)->pixmap_closed); if (NAUTILUS_CTREE_ROW (node)->mask_closed) GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask = gdk_pixmap_ref (NAUTILUS_CTREE_ROW (node)->mask_closed); } work = NAUTILUS_CTREE_ROW (node)->children; if (work) { gint tmp = 0; gint row; GList *list; while (work && NAUTILUS_CTREE_ROW (work)->level > level) { work = NAUTILUS_CTREE_NODE_NEXT (work); tmp++; } if (work) { list = (GList *)node; list->next = (GList *)work; list = (GList *)NAUTILUS_CTREE_NODE_PREV (work); list->next = NULL; list = (GList *)work; list->prev = (GList *)node; } else { list = (GList *)node; list->next = NULL; clist->row_list_end = (GList *)node; } if (visible) { /* resize auto_resize columns if needed */ auto_resize_columns (clist); row = g_list_position (clist->row_list, (GList *)node); if (row < clist->focus_row) clist->focus_row -= tmp; clist->rows -= tmp; CLIST_REFRESH (clist); } } else if (visible && clist->column[ctree->tree_column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) /* resize tree_column if needed */ column_auto_resize (clist, &NAUTILUS_CTREE_ROW (node)->row, ctree->tree_column, requisition.width); } static void column_auto_resize (GtkCList *clist, GtkCListRow *clist_row, gint column, gint old_width) { /* resize column if needed for auto_resize */ GtkRequisition requisition; if (!clist->column[column].auto_resize || GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) return; if (clist_row) GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, clist_row, column, &requisition); else requisition.width = 0; if (requisition.width > clist->column[column].width) gtk_clist_set_column_width (clist, column, requisition.width); else if (requisition.width < old_width && old_width == clist->column[column].width) { GList *list; gint new_width; /* run a "gtk_clist_optimal_column_width" but break, if * the column doesn't shrink */ if (GTK_CLIST_SHOW_TITLES (clist) && clist->column[column].button) new_width = (clist->column[column].button->requisition.width - (CELL_SPACING + (2 * COLUMN_INSET))); else new_width = 0; for (list = clist->row_list; list; list = list->next) { GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, GTK_CLIST_ROW (list), column, &requisition); new_width = MAX (new_width, requisition.width); if (new_width == clist->column[column].width) break; } if (new_width < clist->column[column].width) gtk_clist_set_column_width (clist, column, new_width); } } static void auto_resize_columns (GtkCList *clist) { gint i; if (GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) return; for (i = 0; i < clist->columns; i++) column_auto_resize (clist, NULL, i, clist->column[i].width); } static void cell_size_request (GtkCList *clist, GtkCListRow *clist_row, gint column, GtkRequisition *requisition) { NautilusCTree *ctree; GtkStyle *style; gint width; gint height; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); g_return_if_fail (requisition != NULL); ctree = NAUTILUS_CTREE (clist); get_cell_style (clist, clist_row, GTK_STATE_NORMAL, column, &style, NULL, NULL); switch (clist_row->cell[column].type) { case GTK_CELL_TEXT: requisition->width = gdk_string_width (style->font, GTK_CELL_TEXT (clist_row->cell[column])->text); requisition->height = style->font->ascent + style->font->descent; break; case GTK_CELL_PIXTEXT: if (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap) { gdk_window_get_size (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap, &width, &height); width += GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing; } else { width = height = 0; } requisition->width = width + gdk_string_width (style->font, GTK_CELL_TEXT (clist_row->cell[column])->text); requisition->height = MAX (style->font->ascent + style->font->descent, height); if (column == ctree->tree_column) { requisition->width += (ctree->tree_spacing + ctree->tree_indent * (((NautilusCTreeRow *) clist_row)->level - 1)); requisition->width += PM_SIZE + 3; } if (ctree->line_style == NAUTILUS_CTREE_LINES_TABBED) { requisition->width += 3; } break; case GTK_CELL_PIXMAP: gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap, &width, &height); requisition->width = width; requisition->height = height; break; default: requisition->width = 0; requisition->height = 0; break; } requisition->width += clist_row->cell[column].horizontal; requisition->height += clist_row->cell[column].vertical; } static void set_cell_contents (GtkCList *clist, GtkCListRow *clist_row, gint column, GtkCellType type, const gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask) { gboolean visible = FALSE; NautilusCTree *ctree; GtkRequisition requisition; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); g_return_if_fail (clist_row != NULL); ctree = NAUTILUS_CTREE (clist); if (clist->column[column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) { NautilusCTreeNode *parent; parent = ((NautilusCTreeRow *)clist_row)->parent; if (!parent || (parent && NAUTILUS_CTREE_ROW (parent)->expanded && nautilus_ctree_is_viewable (ctree, parent))) { visible = TRUE; GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, clist_row, column, &requisition); } } switch (clist_row->cell[column].type) { case GTK_CELL_EMPTY: break; case GTK_CELL_TEXT: g_free (GTK_CELL_TEXT (clist_row->cell[column])->text); break; case GTK_CELL_PIXMAP: gdk_pixmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap); if (GTK_CELL_PIXMAP (clist_row->cell[column])->mask) gdk_bitmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->mask); break; case GTK_CELL_PIXTEXT: if (GTK_CELL_PIXTEXT (clist_row->cell[column])->text) g_free (GTK_CELL_PIXTEXT (clist_row->cell[column])->text); if (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap) { gdk_pixmap_unref (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap); if (GTK_CELL_PIXTEXT (clist_row->cell[column])->mask) gdk_bitmap_unref (GTK_CELL_PIXTEXT (clist_row->cell[column])->mask); } break; case GTK_CELL_WIDGET: /* unimplimented */ break; default: break; } clist_row->cell[column].type = GTK_CELL_EMPTY; if (column == ctree->tree_column && type != GTK_CELL_EMPTY) type = GTK_CELL_PIXTEXT; switch (type) { case GTK_CELL_TEXT: if (text) { clist_row->cell[column].type = GTK_CELL_TEXT; GTK_CELL_TEXT (clist_row->cell[column])->text = g_strdup (text); } break; case GTK_CELL_PIXMAP: if (pixmap) { clist_row->cell[column].type = GTK_CELL_PIXMAP; GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap = pixmap; /* We set the mask even if it is NULL */ GTK_CELL_PIXMAP (clist_row->cell[column])->mask = mask; } break; case GTK_CELL_PIXTEXT: if (column == ctree->tree_column) { clist_row->cell[column].type = GTK_CELL_PIXTEXT; GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing; if (text) GTK_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text); else GTK_CELL_PIXTEXT (clist_row->cell[column])->text = NULL; if (pixmap) { GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap; GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = mask; } else { GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = NULL; GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = NULL; } } else if (text && pixmap) { clist_row->cell[column].type = GTK_CELL_PIXTEXT; GTK_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text); GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing; GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap; GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = mask; } break; default: break; } if (visible && clist->column[column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) column_auto_resize (clist, clist_row, column, requisition.width); } static void set_node_info (NautilusCTree *ctree, NautilusCTreeNode *node, const gchar *text, guint8 spacing, GdkPixmap *pixmap_closed, GdkBitmap *mask_closed, GdkPixmap *pixmap_opened, GdkBitmap *mask_opened, gboolean is_leaf, gboolean expanded) { if (NAUTILUS_CTREE_ROW (node)->pixmap_opened) { gdk_pixmap_unref (NAUTILUS_CTREE_ROW (node)->pixmap_opened); if (NAUTILUS_CTREE_ROW (node)->mask_opened) gdk_bitmap_unref (NAUTILUS_CTREE_ROW (node)->mask_opened); } if (NAUTILUS_CTREE_ROW (node)->pixmap_closed) { gdk_pixmap_unref (NAUTILUS_CTREE_ROW (node)->pixmap_closed); if (NAUTILUS_CTREE_ROW (node)->mask_closed) gdk_bitmap_unref (NAUTILUS_CTREE_ROW (node)->mask_closed); } NAUTILUS_CTREE_ROW (node)->pixmap_opened = NULL; NAUTILUS_CTREE_ROW (node)->mask_opened = NULL; NAUTILUS_CTREE_ROW (node)->pixmap_closed = NULL; NAUTILUS_CTREE_ROW (node)->mask_closed = NULL; if (pixmap_closed) { NAUTILUS_CTREE_ROW (node)->pixmap_closed = gdk_pixmap_ref (pixmap_closed); if (mask_closed) NAUTILUS_CTREE_ROW (node)->mask_closed = gdk_bitmap_ref (mask_closed); } if (pixmap_opened) { NAUTILUS_CTREE_ROW (node)->pixmap_opened = gdk_pixmap_ref (pixmap_opened); if (mask_opened) NAUTILUS_CTREE_ROW (node)->mask_opened = gdk_bitmap_ref (mask_opened); } NAUTILUS_CTREE_ROW (node)->is_leaf = is_leaf; NAUTILUS_CTREE_ROW (node)->expanded = (is_leaf) ? FALSE : expanded; if (NAUTILUS_CTREE_ROW (node)->expanded) nautilus_ctree_node_set_pixtext (ctree, node, ctree->tree_column, text, spacing, pixmap_opened, mask_opened); else nautilus_ctree_node_set_pixtext (ctree, node, ctree->tree_column, text, spacing, pixmap_closed, mask_closed); } static void tree_delete (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { tree_unselect (ctree, node, NULL); row_delete (ctree, NAUTILUS_CTREE_ROW (node)); g_list_free_1 ((GList *)node); } static void tree_delete_row (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { row_delete (ctree, NAUTILUS_CTREE_ROW (node)); g_list_free_1 ((GList *)node); } static void tree_update_level (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { if (!node) return; if (NAUTILUS_CTREE_ROW (node)->parent) NAUTILUS_CTREE_ROW (node)->level = NAUTILUS_CTREE_ROW (NAUTILUS_CTREE_ROW (node)->parent)->level + 1; else NAUTILUS_CTREE_ROW (node)->level = 1; } static void tree_select (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { if (node && NAUTILUS_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED && NAUTILUS_CTREE_ROW (node)->row.selectable) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW], node, -1); } static void tree_unselect (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { if (node && NAUTILUS_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], node, -1); } static void tree_expand (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { if (node && !NAUTILUS_CTREE_ROW (node)->expanded) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node); } static void tree_collapse (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { if (node && NAUTILUS_CTREE_ROW (node)->expanded) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node); } static void tree_collapse_to_depth (NautilusCTree *ctree, NautilusCTreeNode *node, gint depth) { if (node && NAUTILUS_CTREE_ROW (node)->level == depth) nautilus_ctree_collapse_recursive (ctree, node); } static void tree_toggle_expansion (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { if (!node) return; if (NAUTILUS_CTREE_ROW (node)->expanded) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node); else gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node); } static NautilusCTreeRow * row_new (NautilusCTree *ctree) { GtkCList *clist; NautilusCTreeRow *ctree_row; int i; clist = GTK_CLIST (ctree); ctree_row = g_chunk_new (NautilusCTreeRow, clist->row_mem_chunk); ctree_row->row.cell = g_chunk_new (GtkCell, clist->cell_mem_chunk); for (i = 0; i < clist->columns; i++) { ctree_row->row.cell[i].type = GTK_CELL_EMPTY; ctree_row->row.cell[i].vertical = 0; ctree_row->row.cell[i].horizontal = 0; ctree_row->row.cell[i].style = NULL; } GTK_CELL_PIXTEXT (ctree_row->row.cell[ctree->tree_column])->text = NULL; ctree_row->row.fg_set = FALSE; ctree_row->row.bg_set = FALSE; ctree_row->row.style = NULL; ctree_row->row.selectable = TRUE; ctree_row->row.state = GTK_STATE_NORMAL; ctree_row->row.data = NULL; ctree_row->row.destroy = NULL; ctree_row->level = 0; ctree_row->expanded = FALSE; ctree_row->parent = NULL; ctree_row->sibling = NULL; ctree_row->children = NULL; ctree_row->pixmap_closed = NULL; ctree_row->mask_closed = NULL; ctree_row->pixmap_opened = NULL; ctree_row->mask_opened = NULL; ctree_row->mouse_down = FALSE; ctree_row->in_hotspot = FALSE; return ctree_row; } static void row_delete (NautilusCTree *ctree, NautilusCTreeRow *ctree_row) { GtkCList *clist; gint i; clist = GTK_CLIST (ctree); for (i = 0; i < clist->columns; i++) { GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, &(ctree_row->row), i, GTK_CELL_EMPTY, NULL, 0, NULL, NULL); if (ctree_row->row.cell[i].style) { if (GTK_WIDGET_REALIZED (ctree)) gtk_style_detach (ctree_row->row.cell[i].style); gtk_style_unref (ctree_row->row.cell[i].style); } } if (ctree_row->row.style) { if (GTK_WIDGET_REALIZED (ctree)) gtk_style_detach (ctree_row->row.style); gtk_style_unref (ctree_row->row.style); } if (ctree_row->pixmap_closed) { gdk_pixmap_unref (ctree_row->pixmap_closed); if (ctree_row->mask_closed) gdk_bitmap_unref (ctree_row->mask_closed); } if (ctree_row->pixmap_opened) { gdk_pixmap_unref (ctree_row->pixmap_opened); if (ctree_row->mask_opened) gdk_bitmap_unref (ctree_row->mask_opened); } if (ctree_row->row.destroy) { GtkDestroyNotify dnotify = ctree_row->row.destroy; gpointer ddata = ctree_row->row.data; ctree_row->row.destroy = NULL; ctree_row->row.data = NULL; dnotify (ddata); } g_mem_chunk_free (clist->cell_mem_chunk, ctree_row->row.cell); g_mem_chunk_free (clist->row_mem_chunk, ctree_row); } static void real_select_row (GtkCList *clist, gint row, gint column, GdkEvent *event) { GList *node; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); if ((node = g_list_nth (clist->row_list, row)) && NAUTILUS_CTREE_ROW (node)->row.selectable) gtk_signal_emit (GTK_OBJECT (clist), ctree_signals[TREE_SELECT_ROW], node, column); } static void real_unselect_row (GtkCList *clist, gint row, gint column, GdkEvent *event) { GList *node; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); if ((node = g_list_nth (clist->row_list, row))) gtk_signal_emit (GTK_OBJECT (clist), ctree_signals[TREE_UNSELECT_ROW], node, column); } static void real_tree_select (NautilusCTree *ctree, NautilusCTreeNode *node, gint column) { GtkCList *clist; GList *list; NautilusCTreeNode *sel_row; gboolean node_selected; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); if (!node || NAUTILUS_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED || !NAUTILUS_CTREE_ROW (node)->row.selectable) return; clist = GTK_CLIST (ctree); switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_BROWSE: node_selected = FALSE; list = clist->selection; while (list) { sel_row = list->data; list = list->next; if (node == sel_row) node_selected = TRUE; else gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], sel_row, column); } if (node_selected) return; default: break; } NAUTILUS_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED; if (!clist->selection) { clist->selection = g_list_append (clist->selection, node); clist->selection_end = clist->selection; } else clist->selection_end = g_list_append (clist->selection_end, node)->next; tree_draw_node (ctree, node); } static void real_tree_unselect (NautilusCTree *ctree, NautilusCTreeNode *node, gint column) { GtkCList *clist; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); if (!node || NAUTILUS_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED) return; clist = GTK_CLIST (ctree); if (clist->selection_end && clist->selection_end->data == node) clist->selection_end = clist->selection_end->prev; clist->selection = g_list_remove (clist->selection, node); NAUTILUS_CTREE_ROW (node)->row.state = GTK_STATE_NORMAL; tree_draw_node (ctree, node); } static void select_row_recursive (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { if (!node || NAUTILUS_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED || !NAUTILUS_CTREE_ROW (node)->row.selectable) return; GTK_CLIST (ctree)->undo_unselection = g_list_prepend (GTK_CLIST (ctree)->undo_unselection, node); nautilus_ctree_select (ctree, node); } static void real_select_all (GtkCList *clist) { NautilusCTree *ctree; NautilusCTreeNode *node; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); ctree = NAUTILUS_CTREE (clist); switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_BROWSE: return; case GTK_SELECTION_EXTENDED: gtk_clist_freeze (clist); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor_state = GTK_STATE_SELECTED; clist->anchor = -1; clist->drag_pos = -1; clist->undo_anchor = clist->focus_row; for (node = NAUTILUS_CTREE_NODE (clist->row_list); node; node = NAUTILUS_CTREE_NODE_NEXT (node)) nautilus_ctree_pre_recursive (ctree, node, select_row_recursive, NULL); gtk_clist_thaw (clist); break; case GTK_SELECTION_MULTIPLE: nautilus_ctree_select_recursive (ctree, NULL); break; default: /* do nothing */ break; } } static void real_unselect_all (GtkCList *clist) { NautilusCTree *ctree; NautilusCTreeNode *node; GList *list; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); ctree = NAUTILUS_CTREE (clist); switch (clist->selection_mode) { case GTK_SELECTION_BROWSE: if (clist->focus_row >= 0) { nautilus_ctree_select (ctree, NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row))); return; } break; case GTK_SELECTION_EXTENDED: g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor = -1; clist->drag_pos = -1; clist->undo_anchor = clist->focus_row; break; default: break; } list = clist->selection; while (list) { node = list->data; list = list->next; nautilus_ctree_unselect (ctree, node); } } static gboolean ctree_is_hot_spot (NautilusCTree *ctree, NautilusCTreeNode *node, gint row, gint x, gint y) { NautilusCTreeRow *tree_row; GtkCList *clist; GtkCellPixText *cell; gint xl; gint yu; g_return_val_if_fail (ctree != NULL, FALSE); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), FALSE); g_return_val_if_fail (node != NULL, FALSE); clist = GTK_CLIST (ctree); if (!clist->column[ctree->tree_column].visible) { return FALSE; } tree_row = NAUTILUS_CTREE_ROW (node); cell = GTK_CELL_PIXTEXT(tree_row->row.cell[ctree->tree_column]); yu = (ROW_TOP_YPIXEL (clist, row) + (clist->row_height - PM_SIZE) / 2 - (clist->row_height - 1) % 2); if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT) { xl = (clist->column[ctree->tree_column].area.x + clist->column[ctree->tree_column].area.width - 1 + clist->hoffset - (tree_row->level - 1) * ctree->tree_indent - PM_SIZE - (ctree->line_style == NAUTILUS_CTREE_LINES_TABBED) * 3); } else { xl = (clist->column[ctree->tree_column].area.x + clist->hoffset + (tree_row->level - 1) * ctree->tree_indent + (ctree->line_style == NAUTILUS_CTREE_LINES_TABBED) * 3); } return (x >= xl && x <= xl + PM_SIZE && y >= yu && y <= yu + PM_SIZE); } /*********************************************************** *********************************************************** *** Public interface *** *********************************************************** ***********************************************************/ /*********************************************************** * Creation, insertion, deletion * ***********************************************************/ void nautilus_ctree_construct (NautilusCTree *ctree, gint columns, gint tree_column, gchar *titles[]) { GtkCList *clist; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (GTK_OBJECT_CONSTRUCTED (ctree) == FALSE); clist = GTK_CLIST (ctree); clist->row_mem_chunk = g_mem_chunk_new ("ctree row mem chunk", sizeof (NautilusCTreeRow), sizeof (NautilusCTreeRow) * CLIST_OPTIMUM_SIZE, G_ALLOC_AND_FREE); clist->cell_mem_chunk = g_mem_chunk_new ("ctree cell mem chunk", sizeof (GtkCell) * columns, sizeof (GtkCell) * columns * CLIST_OPTIMUM_SIZE, G_ALLOC_AND_FREE); ctree->tree_column = tree_column; gtk_clist_construct (clist, columns, titles); } GtkWidget * nautilus_ctree_new_with_titles (gint columns, gint tree_column, gchar *titles[]) { GtkWidget *widget; g_return_val_if_fail (columns > 0, NULL); g_return_val_if_fail (tree_column >= 0 && tree_column < columns, NULL); widget = gtk_type_new (NAUTILUS_TYPE_CTREE); nautilus_ctree_construct (NAUTILUS_CTREE (widget), columns, tree_column, titles); return widget; } GtkWidget * nautilus_ctree_new (gint columns, gint tree_column) { return nautilus_ctree_new_with_titles (columns, tree_column, NULL); } static gint real_insert_row (GtkCList *clist, gint row, gchar *text[]) { NautilusCTreeNode *parent = NULL; NautilusCTreeNode *sibling; NautilusCTreeNode *node; g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (NAUTILUS_IS_CTREE (clist), -1); sibling = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, row)); if (sibling) parent = NAUTILUS_CTREE_ROW (sibling)->parent; node = nautilus_ctree_insert_node (NAUTILUS_CTREE (clist), parent, sibling, text, 5, NULL, NULL, NULL, NULL, TRUE, FALSE); if (GTK_CLIST_AUTO_SORT (clist) || !sibling) return g_list_position (clist->row_list, (GList *) node); return row; } NautilusCTreeNode * nautilus_ctree_insert_node (NautilusCTree *ctree, NautilusCTreeNode *parent, NautilusCTreeNode *sibling, gchar *text[], guint8 spacing, GdkPixmap *pixmap_closed, GdkBitmap *mask_closed, GdkPixmap *pixmap_opened, GdkBitmap *mask_opened, gboolean is_leaf, gboolean expanded) { GtkCList *clist; NautilusCTreeRow *new_row; NautilusCTreeNode *node; GList *list; gint i; g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); if (sibling) { g_return_val_if_fail (NAUTILUS_CTREE_ROW (sibling)->parent == parent, NULL); } if (parent && NAUTILUS_CTREE_ROW (parent)->is_leaf) { return NULL; } clist = GTK_CLIST (ctree); /* create the row */ new_row = row_new (ctree); list = g_list_alloc (); list->data = new_row; node = NAUTILUS_CTREE_NODE (list); if (text) for (i = 0; i < clist->columns; i++) if (text[i] && i != ctree->tree_column) GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, &(new_row->row), i, GTK_CELL_TEXT, text[i], 0, NULL, NULL); set_node_info (ctree, node, text ? text[ctree->tree_column] : NULL, spacing, pixmap_closed, mask_closed, pixmap_opened, mask_opened, is_leaf, expanded); /* sorted insertion */ if (GTK_CLIST_AUTO_SORT (clist)) { if (parent) sibling = NAUTILUS_CTREE_ROW (parent)->children; else sibling = NAUTILUS_CTREE_NODE (clist->row_list); while (sibling && clist->compare (clist, NAUTILUS_CTREE_ROW (node), NAUTILUS_CTREE_ROW (sibling)) > 0) sibling = NAUTILUS_CTREE_ROW (sibling)->sibling; } nautilus_ctree_link (ctree, node, parent, sibling, TRUE); if (text && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist) && nautilus_ctree_is_viewable (ctree, node)) { for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize) column_auto_resize (clist, &(new_row->row), i, 0); } if (clist->rows == 1) { clist->focus_row = 0; if (clist->selection_mode == GTK_SELECTION_BROWSE) nautilus_ctree_select (ctree, node); } CLIST_REFRESH (clist); return node; } NautilusCTreeNode * nautilus_ctree_insert_gnode (NautilusCTree *ctree, NautilusCTreeNode *parent, NautilusCTreeNode *sibling, GNode *gnode, NautilusCTreeGNodeFunc func, gpointer data) { GtkCList *clist; NautilusCTreeNode *cnode = NULL; NautilusCTreeNode *child = NULL; NautilusCTreeNode *new_child; GList *list; GNode *work; guint depth = 1; g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); g_return_val_if_fail (gnode != NULL, NULL); g_return_val_if_fail (func != NULL, NULL); if (sibling) g_return_val_if_fail (NAUTILUS_CTREE_ROW (sibling)->parent == parent, NULL); clist = GTK_CLIST (ctree); if (parent) depth = NAUTILUS_CTREE_ROW (parent)->level + 1; list = g_list_alloc (); list->data = row_new (ctree); cnode = NAUTILUS_CTREE_NODE (list); gtk_clist_freeze (clist); set_node_info (ctree, cnode, "", 0, NULL, NULL, NULL, NULL, TRUE, FALSE); if (!func (ctree, depth, gnode, cnode, data)) { tree_delete_row (ctree, cnode, NULL); return NULL; } if (GTK_CLIST_AUTO_SORT (clist)) { if (parent) sibling = NAUTILUS_CTREE_ROW (parent)->children; else sibling = NAUTILUS_CTREE_NODE (clist->row_list); while (sibling && clist->compare (clist, NAUTILUS_CTREE_ROW (cnode), NAUTILUS_CTREE_ROW (sibling)) > 0) sibling = NAUTILUS_CTREE_ROW (sibling)->sibling; } nautilus_ctree_link (ctree, cnode, parent, sibling, TRUE); for (work = g_node_last_child (gnode); work; work = work->prev) { new_child = nautilus_ctree_insert_gnode (ctree, cnode, child, work, func, data); if (new_child) child = new_child; } gtk_clist_thaw (clist); return cnode; } GNode * nautilus_ctree_export_to_gnode (NautilusCTree *ctree, GNode *parent, GNode *sibling, NautilusCTreeNode *node, NautilusCTreeGNodeFunc func, gpointer data) { NautilusCTreeNode *work; GNode *gnode; gint depth; g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); g_return_val_if_fail (node != NULL, NULL); g_return_val_if_fail (func != NULL, NULL); if (sibling) { g_return_val_if_fail (parent != NULL, NULL); g_return_val_if_fail (sibling->parent == parent, NULL); } gnode = g_node_new (NULL); depth = g_node_depth (parent) + 1; if (!func (ctree, depth, gnode, node, data)) { g_node_destroy (gnode); return NULL; } if (parent) g_node_insert_before (parent, sibling, gnode); if (!NAUTILUS_CTREE_ROW (node)->is_leaf) { GNode *new_sibling = NULL; for (work = NAUTILUS_CTREE_ROW (node)->children; work; work = NAUTILUS_CTREE_ROW (work)->sibling) new_sibling = nautilus_ctree_export_to_gnode (ctree, gnode, new_sibling, work, func, data); g_node_reverse_children (gnode); } return gnode; } static void real_remove_row (GtkCList *clist, gint row) { NautilusCTreeNode *node; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, row)); if (node) nautilus_ctree_remove_node (NAUTILUS_CTREE (clist), node); } void nautilus_ctree_remove_node (NautilusCTree *ctree, NautilusCTreeNode *node) { GtkCList *clist; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); gtk_clist_freeze (clist); if (node) { gboolean visible; visible = nautilus_ctree_is_viewable (ctree, node); nautilus_ctree_unlink (ctree, node, TRUE); nautilus_ctree_post_recursive (ctree, node, NAUTILUS_CTREE_FUNC (tree_delete), NULL); if (clist->selection_mode == GTK_SELECTION_BROWSE && !clist->selection && clist->focus_row >= 0) gtk_clist_select_row (clist, clist->focus_row, -1); auto_resize_columns (clist); } else gtk_clist_clear (clist); gtk_clist_thaw (clist); } static void real_clear (GtkCList *clist) { NautilusCTree *ctree; NautilusCTreeNode *work; NautilusCTreeNode *ptr; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); ctree = NAUTILUS_CTREE (clist); /* remove all rows */ work = NAUTILUS_CTREE_NODE (clist->row_list); clist->row_list = NULL; clist->row_list_end = NULL; GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED); while (work) { ptr = work; work = NAUTILUS_CTREE_ROW (work)->sibling; nautilus_ctree_post_recursive (ctree, ptr, NAUTILUS_CTREE_FUNC (tree_delete_row), NULL); } GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED); parent_class->clear (clist); } /*********************************************************** * Generic recursive functions, querying / finding tree * * information * ***********************************************************/ void nautilus_ctree_post_recursive (NautilusCTree *ctree, NautilusCTreeNode *node, NautilusCTreeFunc func, gpointer data) { NautilusCTreeNode *work; NautilusCTreeNode *tmp; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (func != NULL); if (node) work = NAUTILUS_CTREE_ROW (node)->children; else work = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); while (work) { tmp = NAUTILUS_CTREE_ROW (work)->sibling; nautilus_ctree_post_recursive (ctree, work, func, data); work = tmp; } if (node) func (ctree, node, data); } void nautilus_ctree_post_recursive_to_depth (NautilusCTree *ctree, NautilusCTreeNode *node, gint depth, NautilusCTreeFunc func, gpointer data) { NautilusCTreeNode *work; NautilusCTreeNode *tmp; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (func != NULL); if (depth < 0) { nautilus_ctree_post_recursive (ctree, node, func, data); return; } if (node) work = NAUTILUS_CTREE_ROW (node)->children; else work = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); if (work && NAUTILUS_CTREE_ROW (work)->level <= depth) { while (work) { tmp = NAUTILUS_CTREE_ROW (work)->sibling; nautilus_ctree_post_recursive_to_depth (ctree, work, depth, func, data); work = tmp; } } if (node && NAUTILUS_CTREE_ROW (node)->level <= depth) func (ctree, node, data); } void nautilus_ctree_pre_recursive (NautilusCTree *ctree, NautilusCTreeNode *node, NautilusCTreeFunc func, gpointer data) { NautilusCTreeNode *work; NautilusCTreeNode *tmp; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (func != NULL); if (node) { work = NAUTILUS_CTREE_ROW (node)->children; func (ctree, node, data); } else work = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); while (work) { tmp = NAUTILUS_CTREE_ROW (work)->sibling; nautilus_ctree_pre_recursive (ctree, work, func, data); work = tmp; } } void nautilus_ctree_pre_recursive_to_depth (NautilusCTree *ctree, NautilusCTreeNode *node, gint depth, NautilusCTreeFunc func, gpointer data) { NautilusCTreeNode *work; NautilusCTreeNode *tmp; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (func != NULL); if (depth < 0) { nautilus_ctree_pre_recursive (ctree, node, func, data); return; } if (node) { work = NAUTILUS_CTREE_ROW (node)->children; if (NAUTILUS_CTREE_ROW (node)->level <= depth) func (ctree, node, data); } else work = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); if (work && NAUTILUS_CTREE_ROW (work)->level <= depth) { while (work) { tmp = NAUTILUS_CTREE_ROW (work)->sibling; nautilus_ctree_pre_recursive_to_depth (ctree, work, depth, func, data); work = tmp; } } } gboolean nautilus_ctree_is_viewable (NautilusCTree *ctree, NautilusCTreeNode *node) { NautilusCTreeRow *work; g_return_val_if_fail (ctree != NULL, FALSE); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), FALSE); g_return_val_if_fail (node != NULL, FALSE); work = NAUTILUS_CTREE_ROW (node); while (work->parent && NAUTILUS_CTREE_ROW (work->parent)->expanded) work = NAUTILUS_CTREE_ROW (work->parent); if (!work->parent) return TRUE; return FALSE; } NautilusCTreeNode * nautilus_ctree_last (NautilusCTree *ctree, NautilusCTreeNode *node) { g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); if (!node) return NULL; while (NAUTILUS_CTREE_ROW (node)->sibling) node = NAUTILUS_CTREE_ROW (node)->sibling; if (NAUTILUS_CTREE_ROW (node)->children) return nautilus_ctree_last (ctree, NAUTILUS_CTREE_ROW (node)->children); return node; } NautilusCTreeNode * nautilus_ctree_find_node_ptr (NautilusCTree *ctree, NautilusCTreeRow *ctree_row) { NautilusCTreeNode *node; g_return_val_if_fail (ctree != NULL, FALSE); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), FALSE); g_return_val_if_fail (ctree_row != NULL, FALSE); if (ctree_row->parent) node = NAUTILUS_CTREE_ROW(ctree_row->parent)->children; else node = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); while (NAUTILUS_CTREE_ROW (node) != ctree_row) node = NAUTILUS_CTREE_ROW (node)->sibling; return node; } NautilusCTreeNode * nautilus_ctree_node_nth (NautilusCTree *ctree, guint row) { g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); if ((row < 0) || (row >= GTK_CLIST(ctree)->rows)) return NULL; return NAUTILUS_CTREE_NODE (g_list_nth (GTK_CLIST (ctree)->row_list, row)); } gboolean nautilus_ctree_find (NautilusCTree *ctree, NautilusCTreeNode *node, NautilusCTreeNode *child) { if (!child) return FALSE; if (!node) node = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); while (node) { if (node == child) return TRUE; if (NAUTILUS_CTREE_ROW (node)->children) { if (nautilus_ctree_find (ctree, NAUTILUS_CTREE_ROW (node)->children, child)) return TRUE; } node = NAUTILUS_CTREE_ROW (node)->sibling; } return FALSE; } gboolean nautilus_ctree_is_ancestor (NautilusCTree *ctree, NautilusCTreeNode *node, NautilusCTreeNode *child) { g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), FALSE); g_return_val_if_fail (node != NULL, FALSE); if (NAUTILUS_CTREE_ROW (node)->children) return nautilus_ctree_find (ctree, NAUTILUS_CTREE_ROW (node)->children, child); return FALSE; } NautilusCTreeNode * nautilus_ctree_find_by_row_data (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { NautilusCTreeNode *work; if (!node) node = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); while (node) { if (NAUTILUS_CTREE_ROW (node)->row.data == data) return node; if (NAUTILUS_CTREE_ROW (node)->children && (work = nautilus_ctree_find_by_row_data (ctree, NAUTILUS_CTREE_ROW (node)->children, data))) return work; node = NAUTILUS_CTREE_ROW (node)->sibling; } return NULL; } GList * nautilus_ctree_find_all_by_row_data (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { GList *list = NULL; g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); /* if node == NULL then look in the whole tree */ if (!node) node = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); while (node) { if (NAUTILUS_CTREE_ROW (node)->row.data == data) list = g_list_append (list, node); if (NAUTILUS_CTREE_ROW (node)->children) { GList *sub_list; sub_list = nautilus_ctree_find_all_by_row_data (ctree, NAUTILUS_CTREE_ROW (node)->children, data); list = g_list_concat (list, sub_list); } node = NAUTILUS_CTREE_ROW (node)->sibling; } return list; } NautilusCTreeNode * nautilus_ctree_find_by_row_data_custom (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data, GCompareFunc func) { NautilusCTreeNode *work; g_return_val_if_fail (func != NULL, NULL); if (!node) node = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); while (node) { if (!func (NAUTILUS_CTREE_ROW (node)->row.data, data)) return node; if (NAUTILUS_CTREE_ROW (node)->children && (work = nautilus_ctree_find_by_row_data_custom (ctree, NAUTILUS_CTREE_ROW (node)->children, data, func))) return work; node = NAUTILUS_CTREE_ROW (node)->sibling; } return NULL; } GList * nautilus_ctree_find_all_by_row_data_custom (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data, GCompareFunc func) { GList *list = NULL; g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); g_return_val_if_fail (func != NULL, NULL); /* if node == NULL then look in the whole tree */ if (!node) node = NAUTILUS_CTREE_NODE (GTK_CLIST (ctree)->row_list); while (node) { if (!func (NAUTILUS_CTREE_ROW (node)->row.data, data)) list = g_list_append (list, node); if (NAUTILUS_CTREE_ROW (node)->children) { GList *sub_list; sub_list = nautilus_ctree_find_all_by_row_data_custom (ctree, NAUTILUS_CTREE_ROW (node)->children, data, func); list = g_list_concat (list, sub_list); } node = NAUTILUS_CTREE_ROW (node)->sibling; } return list; } gboolean nautilus_ctree_is_hot_spot (NautilusCTree *ctree, gint x, gint y) { NautilusCTreeNode *node; gint column; gint row; g_return_val_if_fail (ctree != NULL, FALSE); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), FALSE); if (gtk_clist_get_selection_info (GTK_CLIST (ctree), x, y, &row, &column)) { if ((node = NAUTILUS_CTREE_NODE(g_list_nth (GTK_CLIST (ctree)->row_list, row)))) { return ctree_is_hot_spot (ctree, node, row, x, y); } } return FALSE; } /*********************************************************** * Tree signals : move, expand, collapse, (un)select * ***********************************************************/ void nautilus_ctree_move (NautilusCTree *ctree, NautilusCTreeNode *node, NautilusCTreeNode *new_parent, NautilusCTreeNode *new_sibling) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_MOVE], node, new_parent, new_sibling); } void nautilus_ctree_expand (NautilusCTree *ctree, NautilusCTreeNode *node) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (NAUTILUS_CTREE_ROW (node)->is_leaf) return; gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node); } void nautilus_ctree_expand_recursive (NautilusCTree *ctree, NautilusCTreeNode *node) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); if (node && NAUTILUS_CTREE_ROW (node)->is_leaf) return; if (CLIST_UNFROZEN (clist) && (!node || nautilus_ctree_is_viewable (ctree, node))) { gtk_clist_freeze (clist); thaw = TRUE; } nautilus_ctree_post_recursive (ctree, node, NAUTILUS_CTREE_FUNC (tree_expand), NULL); if (thaw) gtk_clist_thaw (clist); } void nautilus_ctree_expand_to_depth (NautilusCTree *ctree, NautilusCTreeNode *node, gint depth) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); if (node && NAUTILUS_CTREE_ROW (node)->is_leaf) return; if (CLIST_UNFROZEN (clist) && (!node || nautilus_ctree_is_viewable (ctree, node))) { gtk_clist_freeze (clist); thaw = TRUE; } nautilus_ctree_post_recursive_to_depth (ctree, node, depth, NAUTILUS_CTREE_FUNC (tree_expand), NULL); if (thaw) gtk_clist_thaw (clist); } void nautilus_ctree_collapse (NautilusCTree *ctree, NautilusCTreeNode *node) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (NAUTILUS_CTREE_ROW (node)->is_leaf) return; gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node); } void nautilus_ctree_collapse_recursive (NautilusCTree *ctree, NautilusCTreeNode *node) { GtkCList *clist; gboolean thaw = FALSE; gint i; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); if (node && NAUTILUS_CTREE_ROW (node)->is_leaf) return; clist = GTK_CLIST (ctree); if (CLIST_UNFROZEN (clist) && (!node || nautilus_ctree_is_viewable (ctree, node))) { gtk_clist_freeze (clist); thaw = TRUE; } GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED); nautilus_ctree_post_recursive (ctree, node, NAUTILUS_CTREE_FUNC (tree_collapse), NULL); GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED); for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize) gtk_clist_set_column_width (clist, i, gtk_clist_optimal_column_width (clist, i)); if (thaw) gtk_clist_thaw (clist); } void nautilus_ctree_collapse_to_depth (NautilusCTree *ctree, NautilusCTreeNode *node, gint depth) { GtkCList *clist; gboolean thaw = FALSE; gint i; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); if (node && NAUTILUS_CTREE_ROW (node)->is_leaf) return; clist = GTK_CLIST (ctree); if (CLIST_UNFROZEN (clist) && (!node || nautilus_ctree_is_viewable (ctree, node))) { gtk_clist_freeze (clist); thaw = TRUE; } GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED); nautilus_ctree_post_recursive_to_depth (ctree, node, depth, NAUTILUS_CTREE_FUNC (tree_collapse_to_depth), GINT_TO_POINTER (depth)); GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED); for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize) gtk_clist_set_column_width (clist, i, gtk_clist_optimal_column_width (clist, i)); if (thaw) gtk_clist_thaw (clist); } void nautilus_ctree_toggle_expansion (NautilusCTree *ctree, NautilusCTreeNode *node) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (NAUTILUS_CTREE_ROW (node)->is_leaf) return; tree_toggle_expansion (ctree, node, NULL); } void nautilus_ctree_toggle_expansion_recursive (NautilusCTree *ctree, NautilusCTreeNode *node) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); if (node && NAUTILUS_CTREE_ROW (node)->is_leaf) return; clist = GTK_CLIST (ctree); if (CLIST_UNFROZEN (clist) && (!node || nautilus_ctree_is_viewable (ctree, node))) { gtk_clist_freeze (clist); thaw = TRUE; } nautilus_ctree_post_recursive (ctree, node, NAUTILUS_CTREE_FUNC (tree_toggle_expansion), NULL); if (thaw) gtk_clist_thaw (clist); } void nautilus_ctree_select (NautilusCTree *ctree, NautilusCTreeNode *node) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (NAUTILUS_CTREE_ROW (node)->row.selectable) gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW], node, -1); } void nautilus_ctree_unselect (NautilusCTree *ctree, NautilusCTreeNode *node) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], node, -1); } void nautilus_ctree_select_recursive (NautilusCTree *ctree, NautilusCTreeNode *node) { nautilus_ctree_real_select_recursive (ctree, node, TRUE); } void nautilus_ctree_unselect_recursive (NautilusCTree *ctree, NautilusCTreeNode *node) { nautilus_ctree_real_select_recursive (ctree, node, FALSE); } void nautilus_ctree_real_select_recursive (NautilusCTree *ctree, NautilusCTreeNode *node, gint state) { GtkCList *clist; gboolean thaw = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); if ((state && (clist->selection_mode == GTK_SELECTION_BROWSE || clist->selection_mode == GTK_SELECTION_SINGLE)) || (!state && clist->selection_mode == GTK_SELECTION_BROWSE)) return; if (CLIST_UNFROZEN (clist) && (!node || nautilus_ctree_is_viewable (ctree, node))) { gtk_clist_freeze (clist); thaw = TRUE; } if (clist->selection_mode == GTK_SELECTION_EXTENDED) { GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; } if (state) nautilus_ctree_post_recursive (ctree, node, NAUTILUS_CTREE_FUNC (tree_select), NULL); else nautilus_ctree_post_recursive (ctree, node, NAUTILUS_CTREE_FUNC (tree_unselect), NULL); if (thaw) gtk_clist_thaw (clist); } /*********************************************************** * Analogons of GtkCList functions * ***********************************************************/ void nautilus_ctree_node_set_text (NautilusCTree *ctree, NautilusCTreeNode *node, gint column, const gchar *text) { GtkCList *clist; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return; clist = GTK_CLIST (ctree); GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, &(NAUTILUS_CTREE_ROW(node)->row), column, GTK_CELL_TEXT, text, 0, NULL, NULL); tree_draw_node (ctree, node); } void nautilus_ctree_node_set_pixmap (NautilusCTree *ctree, NautilusCTreeNode *node, gint column, GdkPixmap *pixmap, GdkBitmap *mask) { GtkCList *clist; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); g_return_if_fail (pixmap != NULL); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return; gdk_pixmap_ref (pixmap); if (mask) gdk_pixmap_ref (mask); clist = GTK_CLIST (ctree); GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, &(NAUTILUS_CTREE_ROW (node)->row), column, GTK_CELL_PIXMAP, NULL, 0, pixmap, mask); tree_draw_node (ctree, node); } void nautilus_ctree_node_set_pixtext (NautilusCTree *ctree, NautilusCTreeNode *node, gint column, const gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask) { GtkCList *clist; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (column != ctree->tree_column) g_return_if_fail (pixmap != NULL); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return; clist = GTK_CLIST (ctree); if (pixmap) { gdk_pixmap_ref (pixmap); if (mask) gdk_pixmap_ref (mask); } GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, &(NAUTILUS_CTREE_ROW (node)->row), column, GTK_CELL_PIXTEXT, text, spacing, pixmap, mask); tree_draw_node (ctree, node); } void nautilus_ctree_set_node_info (NautilusCTree *ctree, NautilusCTreeNode *node, const gchar *text, guint8 spacing, GdkPixmap *pixmap_closed, GdkBitmap *mask_closed, GdkPixmap *pixmap_opened, GdkBitmap *mask_opened, gboolean is_leaf, gboolean expanded) { gboolean old_leaf; gboolean old_expanded; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); old_leaf = NAUTILUS_CTREE_ROW (node)->is_leaf; old_expanded = NAUTILUS_CTREE_ROW (node)->expanded; if (is_leaf && NAUTILUS_CTREE_ROW (node)->children) { NautilusCTreeNode *work; NautilusCTreeNode *ptr; work = NAUTILUS_CTREE_ROW (node)->children; while (work) { ptr = work; work = NAUTILUS_CTREE_ROW(work)->sibling; nautilus_ctree_remove_node (ctree, ptr); } } set_node_info (ctree, node, text, spacing, pixmap_closed, mask_closed, pixmap_opened, mask_opened, is_leaf, expanded); if (!is_leaf && !old_leaf) { NAUTILUS_CTREE_ROW (node)->expanded = old_expanded; if (expanded && !old_expanded) nautilus_ctree_expand (ctree, node); else if (!expanded && old_expanded) nautilus_ctree_collapse (ctree, node); } NAUTILUS_CTREE_ROW (node)->expanded = (is_leaf) ? FALSE : expanded; tree_draw_node (ctree, node); } void nautilus_ctree_node_set_shift (NautilusCTree *ctree, NautilusCTreeNode *node, gint column, gint vertical, gint horizontal) { GtkCList *clist; GtkRequisition requisition; gboolean visible = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return; clist = GTK_CLIST (ctree); if (clist->column[column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) { visible = nautilus_ctree_is_viewable (ctree, node); if (visible) GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, &NAUTILUS_CTREE_ROW (node)->row, column, &requisition); } NAUTILUS_CTREE_ROW (node)->row.cell[column].vertical = vertical; NAUTILUS_CTREE_ROW (node)->row.cell[column].horizontal = horizontal; if (visible) column_auto_resize (clist, &NAUTILUS_CTREE_ROW (node)->row, column, requisition.width); tree_draw_node (ctree, node); } static void remove_grab (GtkCList *clist) { if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) { gtk_grab_remove (GTK_WIDGET (clist)); gdk_pointer_ungrab (GDK_CURRENT_TIME); } if (clist->htimer) { gtk_timeout_remove (clist->htimer); clist->htimer = 0; } if (clist->vtimer) { gtk_timeout_remove (clist->vtimer); clist->vtimer = 0; } } void nautilus_ctree_node_set_selectable (NautilusCTree *ctree, NautilusCTreeNode *node, gboolean selectable) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (selectable == NAUTILUS_CTREE_ROW (node)->row.selectable) return; NAUTILUS_CTREE_ROW (node)->row.selectable = selectable; if (!selectable && NAUTILUS_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED) { GtkCList *clist; clist = GTK_CLIST (ctree); if (clist->anchor >= 0 && clist->selection_mode == GTK_SELECTION_EXTENDED) { clist->drag_button = 0; remove_grab (clist); GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); } nautilus_ctree_unselect (ctree, node); } } gboolean nautilus_ctree_node_get_selectable (NautilusCTree *ctree, NautilusCTreeNode *node) { g_return_val_if_fail (node != NULL, FALSE); return NAUTILUS_CTREE_ROW (node)->row.selectable; } GtkCellType nautilus_ctree_node_get_cell_type (NautilusCTree *ctree, NautilusCTreeNode *node, gint column) { g_return_val_if_fail (ctree != NULL, -1); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), -1); g_return_val_if_fail (node != NULL, -1); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return -1; return NAUTILUS_CTREE_ROW (node)->row.cell[column].type; } gint nautilus_ctree_node_get_text (NautilusCTree *ctree, NautilusCTreeNode *node, gint column, gchar **text) { g_return_val_if_fail (ctree != NULL, 0); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), 0); g_return_val_if_fail (node != NULL, 0); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return 0; if (NAUTILUS_CTREE_ROW (node)->row.cell[column].type != GTK_CELL_TEXT) return 0; if (text) *text = GTK_CELL_TEXT (NAUTILUS_CTREE_ROW (node)->row.cell[column])->text; return 1; } gint nautilus_ctree_node_get_pixmap (NautilusCTree *ctree, NautilusCTreeNode *node, gint column, GdkPixmap **pixmap, GdkBitmap **mask) { g_return_val_if_fail (ctree != NULL, 0); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), 0); g_return_val_if_fail (node != NULL, 0); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return 0; if (NAUTILUS_CTREE_ROW (node)->row.cell[column].type != GTK_CELL_PIXMAP) return 0; if (pixmap) *pixmap = GTK_CELL_PIXMAP (NAUTILUS_CTREE_ROW(node)->row.cell[column])->pixmap; if (mask) *mask = GTK_CELL_PIXMAP (NAUTILUS_CTREE_ROW (node)->row.cell[column])->mask; return 1; } gint nautilus_ctree_node_get_pixtext (NautilusCTree *ctree, NautilusCTreeNode *node, gint column, gchar **text, guint8 *spacing, GdkPixmap **pixmap, GdkBitmap **mask) { g_return_val_if_fail (ctree != NULL, 0); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), 0); g_return_val_if_fail (node != NULL, 0); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return 0; if (NAUTILUS_CTREE_ROW (node)->row.cell[column].type != GTK_CELL_PIXTEXT) return 0; if (text) *text = GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[column])->text; if (spacing) *spacing = GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[column])->spacing; if (pixmap) *pixmap = GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[column])->pixmap; if (mask) *mask = GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[column])->mask; return 1; } gint nautilus_ctree_get_node_info (NautilusCTree *ctree, NautilusCTreeNode *node, gchar **text, guint8 *spacing, GdkPixmap **pixmap_closed, GdkBitmap **mask_closed, GdkPixmap **pixmap_opened, GdkBitmap **mask_opened, gboolean *is_leaf, gboolean *expanded) { g_return_val_if_fail (ctree != NULL, 0); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), 0); g_return_val_if_fail (node != NULL, 0); if (text) *text = GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->text; if (spacing) *spacing = GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->spacing; if (pixmap_closed) *pixmap_closed = NAUTILUS_CTREE_ROW (node)->pixmap_closed; if (mask_closed) *mask_closed = NAUTILUS_CTREE_ROW (node)->mask_closed; if (pixmap_opened) *pixmap_opened = NAUTILUS_CTREE_ROW (node)->pixmap_opened; if (mask_opened) *mask_opened = NAUTILUS_CTREE_ROW (node)->mask_opened; if (is_leaf) *is_leaf = NAUTILUS_CTREE_ROW (node)->is_leaf; if (expanded) *expanded = NAUTILUS_CTREE_ROW (node)->expanded; return 1; } void nautilus_ctree_node_set_cell_style (NautilusCTree *ctree, NautilusCTreeNode *node, gint column, GtkStyle *style) { GtkCList *clist; GtkRequisition requisition; gboolean visible = FALSE; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); clist = GTK_CLIST (ctree); if (column < 0 || column >= clist->columns) return; if (NAUTILUS_CTREE_ROW (node)->row.cell[column].style == style) return; if (clist->column[column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) { visible = nautilus_ctree_is_viewable (ctree, node); if (visible) GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, &NAUTILUS_CTREE_ROW (node)->row, column, &requisition); } if (NAUTILUS_CTREE_ROW (node)->row.cell[column].style) { if (GTK_WIDGET_REALIZED (ctree)) gtk_style_detach (NAUTILUS_CTREE_ROW (node)->row.cell[column].style); gtk_style_unref (NAUTILUS_CTREE_ROW (node)->row.cell[column].style); } NAUTILUS_CTREE_ROW (node)->row.cell[column].style = style; if (NAUTILUS_CTREE_ROW (node)->row.cell[column].style) { gtk_style_ref (NAUTILUS_CTREE_ROW (node)->row.cell[column].style); if (GTK_WIDGET_REALIZED (ctree)) NAUTILUS_CTREE_ROW (node)->row.cell[column].style = gtk_style_attach (NAUTILUS_CTREE_ROW (node)->row.cell[column].style, clist->clist_window); } if (visible) column_auto_resize (clist, &NAUTILUS_CTREE_ROW (node)->row, column, requisition.width); tree_draw_node (ctree, node); } GtkStyle * nautilus_ctree_node_get_cell_style (NautilusCTree *ctree, NautilusCTreeNode *node, gint column) { g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); g_return_val_if_fail (node != NULL, NULL); if (column < 0 || column >= GTK_CLIST (ctree)->columns) return NULL; return NAUTILUS_CTREE_ROW (node)->row.cell[column].style; } void nautilus_ctree_node_set_row_style (NautilusCTree *ctree, NautilusCTreeNode *node, GtkStyle *style) { GtkCList *clist; GtkRequisition requisition; gboolean visible; gint *old_width = NULL; gint i; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); clist = GTK_CLIST (ctree); if (NAUTILUS_CTREE_ROW (node)->row.style == style) return; visible = nautilus_ctree_is_viewable (ctree, node); if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) { old_width = g_new (gint, clist->columns); for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize) { GTK_CLIST_CLASS_FW (clist)->cell_size_request (clist, &NAUTILUS_CTREE_ROW (node)->row, i, &requisition); old_width[i] = requisition.width; } } if (NAUTILUS_CTREE_ROW (node)->row.style) { if (GTK_WIDGET_REALIZED (ctree)) gtk_style_detach (NAUTILUS_CTREE_ROW (node)->row.style); gtk_style_unref (NAUTILUS_CTREE_ROW (node)->row.style); } NAUTILUS_CTREE_ROW (node)->row.style = style; if (NAUTILUS_CTREE_ROW (node)->row.style) { gtk_style_ref (NAUTILUS_CTREE_ROW (node)->row.style); if (GTK_WIDGET_REALIZED (ctree)) NAUTILUS_CTREE_ROW (node)->row.style = gtk_style_attach (NAUTILUS_CTREE_ROW (node)->row.style, clist->clist_window); } if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) { for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize) column_auto_resize (clist, &NAUTILUS_CTREE_ROW (node)->row, i, old_width[i]); g_free (old_width); } tree_draw_node (ctree, node); } GtkStyle * nautilus_ctree_node_get_row_style (NautilusCTree *ctree, NautilusCTreeNode *node) { g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); g_return_val_if_fail (node != NULL, NULL); return NAUTILUS_CTREE_ROW (node)->row.style; } void nautilus_ctree_node_set_foreground (NautilusCTree *ctree, NautilusCTreeNode *node, GdkColor *color) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (color) { NAUTILUS_CTREE_ROW (node)->row.foreground = *color; NAUTILUS_CTREE_ROW (node)->row.fg_set = TRUE; if (GTK_WIDGET_REALIZED (ctree)) gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (ctree)), &NAUTILUS_CTREE_ROW (node)->row.foreground); } else NAUTILUS_CTREE_ROW (node)->row.fg_set = FALSE; tree_draw_node (ctree, node); } void nautilus_ctree_node_set_background (NautilusCTree *ctree, NautilusCTreeNode *node, GdkColor *color) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); if (color) { NAUTILUS_CTREE_ROW (node)->row.background = *color; NAUTILUS_CTREE_ROW (node)->row.bg_set = TRUE; if (GTK_WIDGET_REALIZED (ctree)) gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (ctree)), &NAUTILUS_CTREE_ROW (node)->row.background); } else NAUTILUS_CTREE_ROW (node)->row.bg_set = FALSE; tree_draw_node (ctree, node); } void nautilus_ctree_node_set_row_data (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { nautilus_ctree_node_set_row_data_full (ctree, node, data, NULL); } void nautilus_ctree_node_set_row_data_full (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data, GtkDestroyNotify destroy) { GtkDestroyNotify dnotify; gpointer ddata; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (node != NULL); dnotify = NAUTILUS_CTREE_ROW (node)->row.destroy; ddata = NAUTILUS_CTREE_ROW (node)->row.data; NAUTILUS_CTREE_ROW (node)->row.data = data; NAUTILUS_CTREE_ROW (node)->row.destroy = destroy; if (dnotify) dnotify (ddata); } gpointer nautilus_ctree_node_get_row_data (NautilusCTree *ctree, NautilusCTreeNode *node) { g_return_val_if_fail (ctree != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), NULL); return node ? NAUTILUS_CTREE_ROW (node)->row.data : NULL; } void nautilus_ctree_node_moveto (NautilusCTree *ctree, NautilusCTreeNode *node, gint column, gfloat row_align, gfloat col_align) { gint row = -1; GtkCList *clist; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); while (node && !nautilus_ctree_is_viewable (ctree, node)) node = NAUTILUS_CTREE_ROW (node)->parent; if (node) row = g_list_position (clist->row_list, (GList *)node); gtk_clist_moveto (clist, row, column, row_align, col_align); } GtkVisibility nautilus_ctree_node_is_visible (NautilusCTree *ctree, NautilusCTreeNode *node) { gint row; g_return_val_if_fail (ctree != NULL, 0); g_return_val_if_fail (node != NULL, 0); row = g_list_position (GTK_CLIST (ctree)->row_list, (GList*) node); return gtk_clist_row_is_visible (GTK_CLIST (ctree), row); } /*********************************************************** * NautilusCTree specific functions * ***********************************************************/ void nautilus_ctree_set_indent (NautilusCTree *ctree, gint indent) { GtkCList *clist; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (indent >= 0); if (indent == ctree->tree_indent) return; clist = GTK_CLIST (ctree); ctree->tree_indent = indent; if (clist->column[ctree->tree_column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) gtk_clist_set_column_width (clist, ctree->tree_column, gtk_clist_optimal_column_width (clist, ctree->tree_column)); else CLIST_REFRESH (ctree); } void nautilus_ctree_set_spacing (NautilusCTree *ctree, gint spacing) { GtkCList *clist; gint old_spacing; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); g_return_if_fail (spacing >= 0); if (spacing == ctree->tree_spacing) return; clist = GTK_CLIST (ctree); old_spacing = ctree->tree_spacing; ctree->tree_spacing = spacing; if (clist->column[ctree->tree_column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) gtk_clist_set_column_width (clist, ctree->tree_column, clist->column[ctree->tree_column].width + spacing - old_spacing); else CLIST_REFRESH (ctree); } void nautilus_ctree_set_show_stub (NautilusCTree *ctree, gboolean show_stub) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); show_stub = show_stub != FALSE; if (show_stub != ctree->show_stub) { GtkCList *clist; clist = GTK_CLIST (ctree); ctree->show_stub = show_stub; if (CLIST_UNFROZEN (clist) && clist->rows && gtk_clist_row_is_visible (clist, 0) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, 0, GTK_CLIST_ROW (clist->row_list)); } } void nautilus_ctree_set_line_style (NautilusCTree *ctree, NautilusCTreeLineStyle line_style) { GtkCList *clist; NautilusCTreeLineStyle old_style; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); if (line_style == ctree->line_style) return; clist = GTK_CLIST (ctree); old_style = ctree->line_style; ctree->line_style = line_style; if (clist->column[ctree->tree_column].auto_resize && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist)) { if (old_style == NAUTILUS_CTREE_LINES_TABBED) gtk_clist_set_column_width (clist, ctree->tree_column, clist->column[ctree->tree_column].width - 3); else if (line_style == NAUTILUS_CTREE_LINES_TABBED) gtk_clist_set_column_width (clist, ctree->tree_column, clist->column[ctree->tree_column].width + 3); } if (GTK_WIDGET_REALIZED (ctree)) { switch (line_style) { case NAUTILUS_CTREE_LINES_SOLID: if (GTK_WIDGET_REALIZED (ctree)) gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_SOLID, None, None); break; case NAUTILUS_CTREE_LINES_DOTTED: if (GTK_WIDGET_REALIZED (ctree)) gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_ON_OFF_DASH, None, None); gdk_gc_set_dashes (ctree->lines_gc, 0, "\1\1", 2); break; case NAUTILUS_CTREE_LINES_TABBED: if (GTK_WIDGET_REALIZED (ctree)) gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_SOLID, None, None); break; case NAUTILUS_CTREE_LINES_NONE: break; default: return; } CLIST_REFRESH (ctree); } } /*********************************************************** * Tree sorting functions * ***********************************************************/ static void tree_sort (NautilusCTree *ctree, NautilusCTreeNode *node, gpointer data) { NautilusCTreeNode *list_start; NautilusCTreeNode *cmp; NautilusCTreeNode *work; GtkCList *clist; clist = GTK_CLIST (ctree); if (node) list_start = NAUTILUS_CTREE_ROW (node)->children; else list_start = NAUTILUS_CTREE_NODE (clist->row_list); while (list_start) { cmp = list_start; work = NAUTILUS_CTREE_ROW (cmp)->sibling; while (work) { if (clist->sort_type == GTK_SORT_ASCENDING) { if (clist->compare (clist, NAUTILUS_CTREE_ROW (work), NAUTILUS_CTREE_ROW (cmp)) < 0) cmp = work; } else { if (clist->compare (clist, NAUTILUS_CTREE_ROW (work), NAUTILUS_CTREE_ROW (cmp)) > 0) cmp = work; } work = NAUTILUS_CTREE_ROW (work)->sibling; } if (cmp == list_start) list_start = NAUTILUS_CTREE_ROW (cmp)->sibling; else { nautilus_ctree_unlink (ctree, cmp, FALSE); nautilus_ctree_link (ctree, cmp, node, list_start, FALSE); } } } void nautilus_ctree_sort_recursive (NautilusCTree *ctree, NautilusCTreeNode *node) { GtkCList *clist; NautilusCTreeNode *focus_node = NULL; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); gtk_clist_freeze (clist); if (clist->selection_mode == GTK_SELECTION_EXTENDED) { GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; } if (!node || (node && nautilus_ctree_is_viewable (ctree, node))) focus_node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row)); nautilus_ctree_post_recursive (ctree, node, NAUTILUS_CTREE_FUNC (tree_sort), NULL); if (!node) tree_sort (ctree, NULL, NULL); if (focus_node) { clist->focus_row = g_list_position (clist->row_list,(GList *)focus_node); clist->undo_anchor = clist->focus_row; } gtk_clist_thaw (clist); } static void real_sort_list (GtkCList *clist) { nautilus_ctree_sort_recursive (NAUTILUS_CTREE (clist), NULL); } void nautilus_ctree_sort_node (NautilusCTree *ctree, NautilusCTreeNode *node) { GtkCList *clist; NautilusCTreeNode *focus_node = NULL; g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); clist = GTK_CLIST (ctree); gtk_clist_freeze (clist); if (clist->selection_mode == GTK_SELECTION_EXTENDED) { GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; } if (!node || (node && nautilus_ctree_is_viewable (ctree, node))) focus_node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row)); tree_sort (ctree, node, NULL); if (focus_node) { clist->focus_row = g_list_position (clist->row_list,(GList *)focus_node); clist->undo_anchor = clist->focus_row; } gtk_clist_thaw (clist); } /************************************************************************/ static void fake_unselect_all (GtkCList *clist, gint row) { GList *list; GList *focus_node = NULL; if (row >= 0 && (focus_node = g_list_nth (clist->row_list, row))) { if (NAUTILUS_CTREE_ROW (focus_node)->row.state == GTK_STATE_NORMAL && NAUTILUS_CTREE_ROW (focus_node)->row.selectable) { NAUTILUS_CTREE_ROW (focus_node)->row.state = GTK_STATE_SELECTED; if (CLIST_UNFROZEN (clist) && gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, GTK_CLIST_ROW (focus_node)); } } clist->undo_selection = clist->selection; clist->selection = NULL; clist->selection_end = NULL; for (list = clist->undo_selection; list; list = list->next) { if (list->data == focus_node) continue; NAUTILUS_CTREE_ROW ((GList *)(list->data))->row.state = GTK_STATE_NORMAL; tree_draw_node (NAUTILUS_CTREE (clist), NAUTILUS_CTREE_NODE (list->data)); } } static GList * selection_find (GtkCList *clist, gint row_number, GList *row_list_element) { return g_list_find (clist->selection, row_list_element); } static void resync_selection (GtkCList *clist, GdkEvent *event) { NautilusCTree *ctree; GList *list; NautilusCTreeNode *node; gint i; gint e; gint row; gboolean unselect; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); if (clist->selection_mode != GTK_SELECTION_EXTENDED) return; if (clist->anchor < 0 || clist->drag_pos < 0) return; ctree = NAUTILUS_CTREE (clist); clist->freeze_count++; i = MIN (clist->anchor, clist->drag_pos); e = MAX (clist->anchor, clist->drag_pos); if (clist->undo_selection) { list = clist->selection; clist->selection = clist->undo_selection; clist->selection_end = g_list_last (clist->selection); clist->undo_selection = list; list = clist->selection; while (list) { node = list->data; list = list->next; unselect = TRUE; if (nautilus_ctree_is_viewable (ctree, node)) { row = g_list_position (clist->row_list, (GList *)node); if (row >= i && row <= e) unselect = FALSE; } if (unselect && NAUTILUS_CTREE_ROW (node)->row.selectable) { NAUTILUS_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED; nautilus_ctree_unselect (ctree, node); clist->undo_selection = g_list_prepend (clist->undo_selection, node); } } } if (clist->anchor < clist->drag_pos) { for (node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, i)); i <= e; i++, node = NAUTILUS_CTREE_NODE_NEXT (node)) if (NAUTILUS_CTREE_ROW (node)->row.selectable) { if (g_list_find (clist->selection, node)) { if (NAUTILUS_CTREE_ROW (node)->row.state == GTK_STATE_NORMAL) { NAUTILUS_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED; nautilus_ctree_unselect (ctree, node); clist->undo_selection = g_list_prepend (clist->undo_selection, node); } } else if (NAUTILUS_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED) { NAUTILUS_CTREE_ROW (node)->row.state = GTK_STATE_NORMAL; clist->undo_unselection = g_list_prepend (clist->undo_unselection, node); } } } else { for (node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, e)); i <= e; e--, node = NAUTILUS_CTREE_NODE_PREV (node)) if (NAUTILUS_CTREE_ROW (node)->row.selectable) { if (g_list_find (clist->selection, node)) { if (NAUTILUS_CTREE_ROW (node)->row.state == GTK_STATE_NORMAL) { NAUTILUS_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED; nautilus_ctree_unselect (ctree, node); clist->undo_selection = g_list_prepend (clist->undo_selection, node); } } else if (NAUTILUS_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED) { NAUTILUS_CTREE_ROW (node)->row.state = GTK_STATE_NORMAL; clist->undo_unselection = g_list_prepend (clist->undo_unselection, node); } } } clist->undo_unselection = g_list_reverse (clist->undo_unselection); for (list = clist->undo_unselection; list; list = list->next) nautilus_ctree_select (ctree, list->data); clist->anchor = -1; clist->drag_pos = -1; if (!CLIST_UNFROZEN (clist)) clist->freeze_count--; } static void real_undo_selection (GtkCList *clist) { NautilusCTree *ctree; GList *work; g_return_if_fail (clist != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (clist)); if (clist->selection_mode != GTK_SELECTION_EXTENDED) return; if (!(clist->undo_selection || clist->undo_unselection)) { gtk_clist_unselect_all (clist); return; } ctree = NAUTILUS_CTREE (clist); for (work = clist->undo_selection; work; work = work->next) if (NAUTILUS_CTREE_ROW (work->data)->row.selectable) nautilus_ctree_select (ctree, NAUTILUS_CTREE_NODE (work->data)); for (work = clist->undo_unselection; work; work = work->next) if (NAUTILUS_CTREE_ROW (work->data)->row.selectable) nautilus_ctree_unselect (ctree, NAUTILUS_CTREE_NODE (work->data)); if (GTK_WIDGET_HAS_FOCUS (clist) && clist->focus_row != clist->undo_anchor) { gtk_widget_draw_focus (GTK_WIDGET (clist)); clist->focus_row = clist->undo_anchor; gtk_widget_draw_focus (GTK_WIDGET (clist)); } else clist->focus_row = clist->undo_anchor; clist->undo_anchor = -1; g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height > clist->clist_window_height) gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0) gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); } void nautilus_ctree_set_drag_compare_func (NautilusCTree *ctree, NautilusCTreeCompareDragFunc cmp_func) { g_return_if_fail (ctree != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (ctree)); ctree->drag_compare = cmp_func; } static gboolean check_drag (NautilusCTree *ctree, NautilusCTreeNode *drag_source, NautilusCTreeNode *drag_target, GtkCListDragPos insert_pos) { g_return_val_if_fail (ctree != NULL, FALSE); g_return_val_if_fail (NAUTILUS_IS_CTREE (ctree), FALSE); if (drag_source && drag_source != drag_target && (!NAUTILUS_CTREE_ROW (drag_source)->children || !nautilus_ctree_is_ancestor (ctree, drag_source, drag_target))) { switch (insert_pos) { case GTK_CLIST_DRAG_NONE: return FALSE; case GTK_CLIST_DRAG_AFTER: if (NAUTILUS_CTREE_ROW (drag_target)->sibling != drag_source) return (!ctree->drag_compare || ctree->drag_compare (ctree, drag_source, NAUTILUS_CTREE_ROW (drag_target)->parent, NAUTILUS_CTREE_ROW(drag_target)->sibling)); break; case GTK_CLIST_DRAG_BEFORE: if (NAUTILUS_CTREE_ROW (drag_source)->sibling != drag_target) return (!ctree->drag_compare || ctree->drag_compare (ctree, drag_source, NAUTILUS_CTREE_ROW (drag_target)->parent, drag_target)); break; case GTK_CLIST_DRAG_INTO: if (!NAUTILUS_CTREE_ROW (drag_target)->is_leaf && NAUTILUS_CTREE_ROW (drag_target)->children != drag_source) return (!ctree->drag_compare || ctree->drag_compare (ctree, drag_source, drag_target, NAUTILUS_CTREE_ROW (drag_target)->children)); break; } } return FALSE; } /************************************/ static void drag_dest_info_destroy (gpointer data) { GtkCListDestInfo *info = data; g_free (info); } static void drag_dest_cell (GtkCList *clist, gint x, gint y, GtkCListDestInfo *dest_info) { GtkWidget *widget; widget = GTK_WIDGET (clist); dest_info->insert_pos = GTK_CLIST_DRAG_NONE; y -= (GTK_CONTAINER (widget)->border_width + widget->style->klass->ythickness + clist->column_title_area.height); dest_info->cell.row = ROW_FROM_YPIXEL (clist, y); if (dest_info->cell.row >= clist->rows) { dest_info->cell.row = clist->rows - 1; y = ROW_TOP_YPIXEL (clist, dest_info->cell.row) + clist->row_height; } if (dest_info->cell.row < -1) dest_info->cell.row = -1; x -= GTK_CONTAINER (widget)->border_width + widget->style->klass->xthickness; dest_info->cell.column = COLUMN_FROM_XPIXEL (clist, x); if (dest_info->cell.row >= 0) { gint y_delta; gint h = 0; y_delta = y - ROW_TOP_YPIXEL (clist, dest_info->cell.row); if (GTK_CLIST_DRAW_DRAG_RECT(clist) && !NAUTILUS_CTREE_ROW (g_list_nth (clist->row_list, dest_info->cell.row))->is_leaf) { dest_info->insert_pos = GTK_CLIST_DRAG_INTO; h = clist->row_height / 4; } else if (GTK_CLIST_DRAW_DRAG_LINE(clist)) { dest_info->insert_pos = GTK_CLIST_DRAG_BEFORE; h = clist->row_height / 2; } if (GTK_CLIST_DRAW_DRAG_LINE(clist)) { if (y_delta < h) dest_info->insert_pos = GTK_CLIST_DRAG_BEFORE; else if (clist->row_height - y_delta < h) dest_info->insert_pos = GTK_CLIST_DRAG_AFTER; } } } static void nautilus_ctree_drag_begin (GtkWidget *widget, GdkDragContext *context) { GtkCList *clist; NautilusCTree *ctree; gboolean use_icons; g_return_if_fail (widget != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (widget)); g_return_if_fail (context != NULL); clist = GTK_CLIST (widget); ctree = NAUTILUS_CTREE (widget); use_icons = GTK_CLIST_USE_DRAG_ICONS (clist); GTK_CLIST_UNSET_FLAG (clist, CLIST_USE_DRAG_ICONS); GTK_WIDGET_CLASS (parent_class)->drag_begin (widget, context); if (use_icons) { NautilusCTreeNode *node; GTK_CLIST_SET_FLAG (clist, CLIST_USE_DRAG_ICONS); node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, clist->click_cell.row)); if (node) { if (GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap) { gtk_drag_set_icon_pixmap (context, gtk_widget_get_colormap (widget), GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap, GTK_CELL_PIXTEXT (NAUTILUS_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask, -2, -2); return; } } gtk_drag_set_icon_default (context); } } static gint nautilus_ctree_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { GtkCList *clist; NautilusCTree *ctree; GtkCListDestInfo new_info; GtkCListDestInfo *dest_info; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (NAUTILUS_IS_CTREE (widget), FALSE); clist = GTK_CLIST (widget); ctree = NAUTILUS_CTREE (widget); dest_info = g_dataset_get_data (context, "gtk-clist-drag-dest"); if (!dest_info) { dest_info = g_new (GtkCListDestInfo, 1); dest_info->cell.row = -1; dest_info->cell.column = -1; dest_info->insert_pos = GTK_CLIST_DRAG_NONE; g_dataset_set_data_full (context, "gtk-clist-drag-dest", dest_info, drag_dest_info_destroy); } drag_dest_cell (clist, x, y, &new_info); if (GTK_CLIST_REORDERABLE (clist)) { GList *list; GdkAtom atom = gdk_atom_intern ("gtk-clist-drag-reorder", FALSE); list = context->targets; while (list) { if (atom == GPOINTER_TO_INT (list->data)) break; list = list->next; } if (list) { NautilusCTreeNode *drag_source; NautilusCTreeNode *drag_target; drag_source = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, clist->click_cell.row)); drag_target = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, new_info.cell.row)); if (gtk_drag_get_source_widget (context) != widget || !check_drag (ctree, drag_source, drag_target, new_info.insert_pos)) { if (dest_info->cell.row < 0) { gdk_drag_status (context, GDK_ACTION_DEFAULT, time); return FALSE; } return TRUE; } if (new_info.cell.row != dest_info->cell.row || (new_info.cell.row == dest_info->cell.row && dest_info->insert_pos != new_info.insert_pos)) { if (dest_info->cell.row >= 0) GTK_CLIST_CLASS_FW (clist)->draw_drag_highlight (clist, g_list_nth (clist->row_list, dest_info->cell.row)->data, dest_info->cell.row, dest_info->insert_pos); dest_info->insert_pos = new_info.insert_pos; dest_info->cell.row = new_info.cell.row; dest_info->cell.column = new_info.cell.column; GTK_CLIST_CLASS_FW (clist)->draw_drag_highlight (clist, g_list_nth (clist->row_list, dest_info->cell.row)->data, dest_info->cell.row, dest_info->insert_pos); gdk_drag_status (context, context->suggested_action, time); } return TRUE; } } dest_info->insert_pos = new_info.insert_pos; dest_info->cell.row = new_info.cell.row; dest_info->cell.column = new_info.cell.column; return TRUE; } static void nautilus_ctree_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint32 time) { NautilusCTree *ctree; GtkCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (NAUTILUS_IS_CTREE (widget)); g_return_if_fail (context != NULL); g_return_if_fail (selection_data != NULL); ctree = NAUTILUS_CTREE (widget); clist = GTK_CLIST (widget); if (GTK_CLIST_REORDERABLE (clist) && gtk_drag_get_source_widget (context) == widget && selection_data->target == gdk_atom_intern ("gtk-clist-drag-reorder", FALSE) && selection_data->format == GTK_TYPE_POINTER && selection_data->length == sizeof (GtkCListCellInfo)) { GtkCListCellInfo *source_info; source_info = (GtkCListCellInfo *)(selection_data->data); if (source_info) { GtkCListDestInfo dest_info; NautilusCTreeNode *source_node; NautilusCTreeNode *dest_node; drag_dest_cell (clist, x, y, &dest_info); source_node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, source_info->row)); dest_node = NAUTILUS_CTREE_NODE (g_list_nth (clist->row_list, dest_info.cell.row)); if (!source_node || !dest_node) return; switch (dest_info.insert_pos) { case GTK_CLIST_DRAG_NONE: break; case GTK_CLIST_DRAG_INTO: if (check_drag (ctree, source_node, dest_node, dest_info.insert_pos)) nautilus_ctree_move (ctree, source_node, dest_node, NAUTILUS_CTREE_ROW (dest_node)->children); g_dataset_remove_data (context, "gtk-clist-drag-dest"); break; case GTK_CLIST_DRAG_BEFORE: if (check_drag (ctree, source_node, dest_node, dest_info.insert_pos)) nautilus_ctree_move (ctree, source_node, NAUTILUS_CTREE_ROW (dest_node)->parent, dest_node); g_dataset_remove_data (context, "gtk-clist-drag-dest"); break; case GTK_CLIST_DRAG_AFTER: if (check_drag (ctree, source_node, dest_node, dest_info.insert_pos)) nautilus_ctree_move (ctree, source_node, NAUTILUS_CTREE_ROW (dest_node)->parent, NAUTILUS_CTREE_ROW (dest_node)->sibling); g_dataset_remove_data (context, "gtk-clist-drag-dest"); break; } } } }