diff options
Diffstat (limited to 'gtk/gtktreeviewcolumn.c')
| -rw-r--r-- | gtk/gtktreeviewcolumn.c | 633 |
1 files changed, 633 insertions, 0 deletions
diff --git a/gtk/gtktreeviewcolumn.c b/gtk/gtktreeviewcolumn.c new file mode 100644 index 000000000..248e6552c --- /dev/null +++ b/gtk/gtktreeviewcolumn.c @@ -0,0 +1,633 @@ +/* gtktreeviewcolumn.c + * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com> + * + * 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. + */ + +#include "gtktreeviewcolumn.h" +#include "gtktreeprivate.h" +#include "gtksignal.h" +#include "gtkbutton.h" +#include "gtkalignment.h" + +enum { + CLICKED, + LAST_SIGNAL +}; + + +static void gtk_tree_view_column_init (GtkTreeViewColumn *tree_column); +static void gtk_tree_view_column_class_init (GtkTreeViewColumnClass *klass); +static void gtk_tree_view_column_set_attributesv (GtkTreeViewColumn *tree_column, + va_list args); +static void gtk_real_tree_column_clicked (GtkTreeViewColumn *tree_column); + + +static GtkObjectClass *parent_class = NULL; +static guint tree_column_signals[LAST_SIGNAL] = { 0 }; + + +GtkType +gtk_tree_view_column_get_type (void) +{ + static GtkType tree_column_type = 0; + + if (!tree_column_type) + { + static const GTypeInfo tree_column_info = + { + sizeof (GtkTreeViewColumnClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) gtk_tree_view_column_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (GtkTreeViewColumn), + 0, + (GInstanceInitFunc) gtk_tree_view_column_init, + }; + + tree_column_type = g_type_register_static (GTK_TYPE_OBJECT, "GtkTreeViewColumn", &tree_column_info); + } + + return tree_column_type; +} + +static void +gtk_tree_view_column_class_init (GtkTreeViewColumnClass *class) +{ + GtkObjectClass *object_class; + + object_class = (GtkObjectClass*) class; + + parent_class = g_type_class_peek_parent (class); + + tree_column_signals[CLICKED] = + gtk_signal_new ("clicked", + GTK_RUN_FIRST, + GTK_CLASS_TYPE (object_class), + GTK_SIGNAL_OFFSET (GtkTreeViewColumnClass, clicked), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + + gtk_object_class_add_signals (object_class, tree_column_signals, LAST_SIGNAL); + + class->clicked = gtk_real_tree_column_clicked; +} + +static void +gtk_tree_view_column_init (GtkTreeViewColumn *tree_column) +{ + tree_column->button = NULL; + tree_column->justification = GTK_JUSTIFY_LEFT; + tree_column->size = 0; + tree_column->min_width = -1; + tree_column->max_width = -1; + tree_column->cell = NULL; + tree_column->attributes = NULL; + tree_column->column_type = GTK_TREE_VIEW_COLUMN_AUTOSIZE; + tree_column->visible = TRUE; + tree_column->button_active = FALSE; + tree_column->dirty = TRUE; +} + +/* used to make the buttons 'unclickable' */ + +static gint +gtk_tree_view_passive_func (GtkWidget *widget, + GdkEvent *event, + gpointer data) +{ + g_return_val_if_fail (event != NULL, FALSE); + + switch (event->type) + { + case GDK_MOTION_NOTIFY: + case GDK_BUTTON_PRESS: + case GDK_2BUTTON_PRESS: + case GDK_3BUTTON_PRESS: + case GDK_BUTTON_RELEASE: + case GDK_ENTER_NOTIFY: + case GDK_LEAVE_NOTIFY: + return TRUE; + default: + break; + } + return FALSE; +} + +static void +gtk_real_tree_column_clicked (GtkTreeViewColumn *tree_column) +{ + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + +} + +GtkObject * +gtk_tree_view_column_new (void) +{ + GtkObject *retval; + + retval = GTK_OBJECT (gtk_type_new (GTK_TYPE_TREE_COLUMN)); + + return retval; +} + +GtkObject * +gtk_tree_view_column_new_with_attributes (gchar *title, + GtkCellRenderer *cell, + ...) +{ + GtkObject *retval; + va_list args; + + retval = gtk_tree_view_column_new (); + + gtk_tree_view_column_set_title (GTK_TREE_VIEW_COLUMN (retval), title); + gtk_tree_view_column_set_cell_renderer (GTK_TREE_VIEW_COLUMN (retval), cell); + + va_start (args, cell); + gtk_tree_view_column_set_attributesv (GTK_TREE_VIEW_COLUMN (retval), + args); + va_end (args); + + return retval; +} + +void +gtk_tree_view_column_set_cell_renderer (GtkTreeViewColumn *tree_column, + GtkCellRenderer *cell) +{ + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + if (cell) + g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); + + if (cell) + g_object_ref (G_OBJECT (cell)); + + if (tree_column->cell) + g_object_unref (G_OBJECT (tree_column->cell)); + + tree_column->cell = cell; +} + +void +gtk_tree_view_column_add_attribute (GtkTreeViewColumn *tree_column, + gchar *attribute, + gint column) +{ + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + + tree_column->attributes = g_slist_prepend (tree_column->attributes, GINT_TO_POINTER (column)); + tree_column->attributes = g_slist_prepend (tree_column->attributes, g_strdup (attribute)); +} + +static void +gtk_tree_view_column_set_attributesv (GtkTreeViewColumn *tree_column, + va_list args) +{ + GSList *list; + gchar *attribute; + gint column; + + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + + attribute = va_arg (args, gchar *); + + list = tree_column->attributes; + + while (list && list->next) + { + g_free (list->data); + list = list->next->next; + } + g_slist_free (tree_column->attributes); + tree_column->attributes = NULL; + + while (attribute != NULL) + { + column = va_arg (args, gint); + gtk_tree_view_column_add_attribute (tree_column, + attribute, + column); + attribute = va_arg (args, gchar *); + } +} + +void +gtk_tree_view_column_set_attributes (GtkTreeViewColumn *tree_column, + ...) +{ + va_list args; + + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + + va_start (args, tree_column); + + gtk_tree_view_column_set_attributesv (tree_column, args); + + va_end (args); +} + +void +gtk_tree_view_column_set_cell_data (GtkTreeViewColumn *tree_column, + GtkTreeModel *tree_model, + GtkTreeNode tree_node) +{ + GSList *list; + GValue value = { 0, }; + GObject *cell; + + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + g_return_if_fail (tree_column->cell != NULL); + + if (tree_column->func && (* tree_column->func) (tree_column, + tree_model, + tree_node, + tree_column->func_data)) + return; + + cell = (GObject *) tree_column->cell; + list = tree_column->attributes; + + while (list && list->next) + { + gtk_tree_model_node_get_value (tree_model, + tree_node, + GPOINTER_TO_INT (list->next->data), + &value); + g_object_set_param (cell, (gchar *) list->data, &value); + g_value_unset (&value); + list = list->next->next; + } +} + +/* Options for manipulating the columns */ + +void +gtk_tree_view_column_set_visible (GtkTreeViewColumn *tree_column, + gboolean visible) +{ + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + + if (tree_column->visible == visible) + return; + + tree_column->visible = visible; + + if (visible) + { + gtk_widget_show (tree_column->button); + gdk_window_show (tree_column->window); + } + else + { + gtk_widget_hide (tree_column->button); + gdk_window_hide (tree_column->window); + } + + if (GTK_WIDGET_REALIZED (tree_column->tree_view)) + { + _gtk_tree_view_set_size (GTK_TREE_VIEW (tree_column->tree_view), -1, -1); + gtk_widget_queue_resize (tree_column->tree_view); + } +} + +gboolean +gtk_tree_view_column_get_visible (GtkTreeViewColumn *tree_column) +{ + g_return_val_if_fail (tree_column != NULL, FALSE); + g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE); + + return tree_column->visible; +} + +void +gtk_tree_view_column_set_col_type (GtkTreeViewColumn *tree_column, + GtkTreeViewColumnType type) +{ + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + + if (type == tree_column->column_type) + return; + + tree_column->column_type = type; + switch (type) + { + case GTK_TREE_VIEW_COLUMN_AUTOSIZE: + tree_column->dirty = TRUE; + case GTK_TREE_VIEW_COLUMN_FIXED: + gdk_window_hide (tree_column->window); + break; + default: + gdk_window_show (tree_column->window); + gdk_window_raise (tree_column->window); + break; + } + + gtk_widget_queue_resize (tree_column->tree_view); +} + +gint +gtk_tree_view_column_get_col_type (GtkTreeViewColumn *tree_column) +{ + g_return_val_if_fail (tree_column != NULL, 0); + g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); + + return tree_column->column_type; +} + +gint +gtk_tree_view_column_get_preferred_size (GtkTreeViewColumn *tree_column) +{ + return 0; +} + +gint +gtk_tree_view_column_get_size (GtkTreeViewColumn *tree_column) +{ + g_return_val_if_fail (tree_column != NULL, 0); + g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0); + + return tree_column->size; +} + +void +gtk_tree_view_column_set_size (GtkTreeViewColumn *tree_column, + gint size) +{ + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + g_return_if_fail (size > 0); + + if (tree_column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE || + tree_column->size == size) + return; + + tree_column->size = size; + + if (GTK_WIDGET_REALIZED (tree_column->tree_view)) + gtk_widget_queue_resize (tree_column->tree_view); +} + +void +gtk_tree_view_column_set_min_width (GtkTreeViewColumn *tree_column, + gint min_width) +{ + gint real_min_width; + + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + g_return_if_fail (min_width >= -1); + + if (min_width == tree_column->min_width) + return; + + real_min_width = (tree_column->min_width == -1) ? + tree_column->button->requisition.width : tree_column->min_width; + + /* We want to queue a resize if the either the old min_size or the + * new min_size determined the size of the column */ + if (GTK_WIDGET_REALIZED (tree_column->tree_view) && + ((tree_column->min_width > tree_column->size) || + (tree_column->min_width == -1 && + tree_column->button->requisition.width > tree_column->size) || + (min_width > tree_column->size) || + (min_width == -1 && + tree_column->button->requisition.width > tree_column->size))) + gtk_widget_queue_resize (tree_column->tree_view); + + if (tree_column->max_width != -1 && + tree_column->max_width < real_min_width) + tree_column->max_width = real_min_width; + + tree_column->min_width = min_width; +} + +gint +gtk_tree_view_column_get_min_width (GtkTreeViewColumn *tree_column) +{ + g_return_val_if_fail (tree_column != NULL, -1); + g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), -1); + + return tree_column->min_width; +} + +void +gtk_tree_view_column_set_max_width (GtkTreeViewColumn *tree_column, + gint max_width) +{ + gint real_min_width; + + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + g_return_if_fail (max_width >= -1); + + if (max_width == tree_column->max_width) + return; + + real_min_width = tree_column->min_width == -1 ? + tree_column->button->requisition.width : tree_column->min_width; + + if (GTK_WIDGET_REALIZED (tree_column->tree_view) && + ((tree_column->max_width < tree_column->size) || + (max_width != -1 && max_width < tree_column->size))) + gtk_widget_queue_resize (tree_column->tree_view); + + tree_column->max_width = max_width; + + if (real_min_width > max_width) + tree_column->min_width = max_width; +} + +gint +gtk_tree_view_column_get_max_width (GtkTreeViewColumn *tree_column) +{ + g_return_val_if_fail (tree_column != NULL, -1); + g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), -1); + + return tree_column->max_width; +} + +void +gtk_tree_view_column_set_title (GtkTreeViewColumn *tree_column, + gchar *title) +{ + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + + g_free (tree_column->title); + if (title) + tree_column->title = g_strdup (title); + else + tree_column->title = NULL; +} + +gchar * +gtk_tree_view_column_get_title (GtkTreeViewColumn *tree_column) +{ + g_return_val_if_fail (tree_column != NULL, NULL); + g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL); + + return tree_column->title; +} + +void +gtk_tree_view_column_set_header_active (GtkTreeViewColumn *tree_column, + gboolean active) +{ + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + + if (!tree_column->button) + return; + + if (tree_column->button_active == active) + return; + + tree_column->button_active = active; + if (active) + { + gtk_signal_disconnect_by_func (GTK_OBJECT (tree_column->button), + (GtkSignalFunc) gtk_tree_view_passive_func, + NULL); + + GTK_WIDGET_SET_FLAGS (tree_column->button, GTK_CAN_FOCUS); + + if (GTK_WIDGET_VISIBLE (tree_column->tree_view)) + gtk_widget_queue_draw (tree_column->button); + } + else + { + gtk_signal_connect (GTK_OBJECT (tree_column->button), + "event", + (GtkSignalFunc) gtk_tree_view_passive_func, + NULL); + + GTK_WIDGET_UNSET_FLAGS (tree_column->button, GTK_CAN_FOCUS); + + if (GTK_WIDGET_VISIBLE (tree_column->tree_view)) + gtk_widget_queue_draw (tree_column->button); + } +} + +void +gtk_tree_view_column_set_widget (GtkTreeViewColumn *tree_column, + GtkWidget *widget) +{ +#if 0 + gint new_button = 0; + GtkWidget *old_widget; + + g_return_if_fail (tree_view != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); + + if (column < 0 || column >= tree_view->priv->columns) + return; + + /* if the column button doesn't currently exist, + * it has to be created first */ + if (!column->button) + { + column_button_create (tree_view, column); + new_button = 1; + } + + column_title_new (clist, column, NULL); + + /* remove and destroy the old widget */ + old_widget = GTK_BIN (clist->column[column].button)->child; + if (old_widget) + gtk_container_remove (GTK_CONTAINER (clist->column[column].button), + old_widget); + + /* add and show the widget */ + if (widget) + { + gtk_container_add (GTK_CONTAINER (clist->column[column].button), widget); + gtk_widget_show (widget); + } + + /* if this button didn't previously exist, then the + * column button positions have to be re-computed */ + if (GTK_WIDGET_VISIBLE (clist) && new_button) + size_allocate_title_buttons (clist); +#endif +} + +GtkWidget * +gtk_tree_view_column_get_widget (GtkTreeViewColumn *tree_column) +{ + g_return_val_if_fail (tree_column != NULL, NULL); + g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL); + + if (tree_column->button) + return GTK_BUTTON (tree_column->button)->child; + + return NULL; +} + +void +gtk_tree_view_column_set_justification (GtkTreeViewColumn *tree_column, + GtkJustification justification) +{ + GtkWidget *alignment; + + g_return_if_fail (tree_column != NULL); + g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column)); + + if (tree_column->justification == justification) + return; + + tree_column->justification = justification; + + /* change the alignment of the button title if it's not a + * custom widget */ + alignment = GTK_BIN (tree_column->button)->child; + + if (GTK_IS_ALIGNMENT (alignment)) + { + switch (tree_column->justification) + { + case GTK_JUSTIFY_LEFT: + gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.0, 0.5, 0.0, 0.0); + break; + + case GTK_JUSTIFY_RIGHT: + gtk_alignment_set (GTK_ALIGNMENT (alignment), 1.0, 0.5, 0.0, 0.0); + break; + + case GTK_JUSTIFY_CENTER: + gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0); + break; + + case GTK_JUSTIFY_FILL: + gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0); + break; + + default: + break; + } + } +} |