/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * 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 #include #ifdef USE_XIM #include "gdk/gdkx.h" #endif #include "gdk/gdkkeysyms.h" #include "gdk/gdki18n.h" #include "gtkentry.h" #include "gtkmain.h" #include "gtkselection.h" #include "gtksignal.h" #include "gtkprivate.h" #define MIN_ENTRY_WIDTH 150 #define DRAW_TIMEOUT 20 #define INNER_BORDER 2 enum { ARG_0, ARG_MAX_LENGTH, ARG_VISIBILITY }; static void gtk_entry_class_init (GtkEntryClass *klass); static void gtk_entry_init (GtkEntry *entry); static void gtk_entry_set_arg (GtkObject *object, GtkArg *arg, guint arg_id); static void gtk_entry_get_arg (GtkObject *object, GtkArg *arg, guint arg_id); static void gtk_entry_finalize (GtkObject *object); static void gtk_entry_realize (GtkWidget *widget); static void gtk_entry_unrealize (GtkWidget *widget); static void gtk_entry_draw_focus (GtkWidget *widget); static void gtk_entry_size_request (GtkWidget *widget, GtkRequisition *requisition); static void gtk_entry_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void gtk_entry_make_backing_pixmap (GtkEntry *entry, gint width, gint height); static void gtk_entry_draw (GtkWidget *widget, GdkRectangle *area); static gint gtk_entry_expose (GtkWidget *widget, GdkEventExpose *event); static gint gtk_entry_button_press (GtkWidget *widget, GdkEventButton *event); static gint gtk_entry_button_release (GtkWidget *widget, GdkEventButton *event); static gint gtk_entry_motion_notify (GtkWidget *widget, GdkEventMotion *event); static gint gtk_entry_key_press (GtkWidget *widget, GdkEventKey *event); static gint gtk_entry_focus_in (GtkWidget *widget, GdkEventFocus *event); static gint gtk_entry_focus_out (GtkWidget *widget, GdkEventFocus *event); static void gtk_entry_draw_text (GtkEntry *entry); static void gtk_entry_draw_cursor (GtkEntry *entry); static void gtk_entry_draw_cursor_on_drawable (GtkEntry *entry, GdkDrawable *drawable); static void gtk_entry_style_set (GtkWidget *widget, GtkStyle *previous_style); static void gtk_entry_state_changed (GtkWidget *widget, GtkStateType previous_state); static void gtk_entry_queue_draw (GtkEntry *entry); static gint gtk_entry_timer (gpointer data); static gint gtk_entry_position (GtkEntry *entry, gint x); void gtk_entry_adjust_scroll (GtkEntry *entry); static void gtk_entry_grow_text (GtkEntry *entry); static void gtk_entry_insert_text (GtkEditable *editable, const gchar *new_text, gint new_text_length, gint *position); static void gtk_entry_delete_text (GtkEditable *editable, gint start_pos, gint end_pos); static void gtk_entry_update_text (GtkEditable *editable, gint start_pos, gint end_pos); static gchar *gtk_entry_get_chars (GtkEditable *editable, gint start_pos, gint end_pos); /* Binding actions */ static void gtk_entry_move_cursor (GtkEditable *editable, gint x, gint y); static void gtk_entry_move_word (GtkEditable *editable, gint n); static void gtk_entry_move_to_column (GtkEditable *editable, gint row); static void gtk_entry_kill_char (GtkEditable *editable, gint direction); static void gtk_entry_kill_word (GtkEditable *editable, gint direction); static void gtk_entry_kill_line (GtkEditable *editable, gint direction); /* To be removed */ static void gtk_move_forward_character (GtkEntry *entry); static void gtk_move_backward_character (GtkEntry *entry); static void gtk_move_forward_word (GtkEntry *entry); static void gtk_move_backward_word (GtkEntry *entry); static void gtk_move_beginning_of_line (GtkEntry *entry); static void gtk_move_end_of_line (GtkEntry *entry); static void gtk_delete_forward_character (GtkEntry *entry); static void gtk_delete_backward_character (GtkEntry *entry); static void gtk_delete_forward_word (GtkEntry *entry); static void gtk_delete_backward_word (GtkEntry *entry); static void gtk_delete_line (GtkEntry *entry); static void gtk_delete_to_line_end (GtkEntry *entry); static void gtk_select_word (GtkEntry *entry, guint32 time); static void gtk_select_line (GtkEntry *entry, guint32 time); static void gtk_entry_set_selection (GtkEditable *editable, gint start, gint end); static void gtk_entry_recompute_offsets (GtkEntry *entry); static gint gtk_entry_find_char (GtkEntry *entry, gint position); static gint gtk_entry_find_position (GtkEntry *entry, gint position); static void gtk_entry_set_position_from_editable (GtkEditable *editable, gint position); static GtkWidgetClass *parent_class = NULL; static GdkAtom ctext_atom = GDK_NONE; static GtkTextFunction control_keys[26] = { (GtkTextFunction)gtk_move_beginning_of_line, /* a */ (GtkTextFunction)gtk_move_backward_character, /* b */ (GtkTextFunction)gtk_editable_copy_clipboard, /* c */ (GtkTextFunction)gtk_delete_forward_character, /* d */ (GtkTextFunction)gtk_move_end_of_line, /* e */ (GtkTextFunction)gtk_move_forward_character, /* f */ NULL, /* g */ (GtkTextFunction)gtk_delete_backward_character, /* h */ NULL, /* i */ NULL, /* j */ (GtkTextFunction)gtk_delete_to_line_end, /* k */ NULL, /* l */ NULL, /* m */ NULL, /* n */ NULL, /* o */ NULL, /* p */ NULL, /* q */ NULL, /* r */ NULL, /* s */ NULL, /* t */ (GtkTextFunction)gtk_delete_line, /* u */ (GtkTextFunction)gtk_editable_paste_clipboard, /* v */ (GtkTextFunction)gtk_delete_backward_word, /* w */ (GtkTextFunction)gtk_editable_cut_clipboard, /* x */ NULL, /* y */ NULL, /* z */ }; static GtkTextFunction alt_keys[26] = { NULL, /* a */ (GtkTextFunction)gtk_move_backward_word, /* b */ NULL, /* c */ (GtkTextFunction)gtk_delete_forward_word, /* d */ NULL, /* e */ (GtkTextFunction)gtk_move_forward_word, /* f */ NULL, /* g */ NULL, /* h */ NULL, /* i */ NULL, /* j */ NULL, /* k */ NULL, /* l */ NULL, /* m */ NULL, /* n */ NULL, /* o */ NULL, /* p */ NULL, /* q */ NULL, /* r */ NULL, /* s */ NULL, /* t */ NULL, /* u */ NULL, /* v */ NULL, /* w */ NULL, /* x */ NULL, /* y */ NULL, /* z */ }; GtkType gtk_entry_get_type (void) { static GtkType entry_type = 0; if (!entry_type) { GtkTypeInfo entry_info = { "GtkEntry", sizeof (GtkEntry), sizeof (GtkEntryClass), (GtkClassInitFunc) gtk_entry_class_init, (GtkObjectInitFunc) gtk_entry_init, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL, }; entry_type = gtk_type_unique (GTK_TYPE_EDITABLE, &entry_info); } return entry_type; } static void gtk_entry_class_init (GtkEntryClass *class) { GtkObjectClass *object_class; GtkWidgetClass *widget_class; GtkEditableClass *editable_class; object_class = (GtkObjectClass*) class; widget_class = (GtkWidgetClass*) class; editable_class = (GtkEditableClass*) class; parent_class = gtk_type_class (GTK_TYPE_EDITABLE); gtk_object_add_arg_type ("GtkEntry::max_length", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_MAX_LENGTH); gtk_object_add_arg_type ("GtkEntry::visibility", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_VISIBILITY); object_class->set_arg = gtk_entry_set_arg; object_class->get_arg = gtk_entry_get_arg; object_class->finalize = gtk_entry_finalize; widget_class->realize = gtk_entry_realize; widget_class->unrealize = gtk_entry_unrealize; widget_class->draw_focus = gtk_entry_draw_focus; widget_class->size_request = gtk_entry_size_request; widget_class->size_allocate = gtk_entry_size_allocate; widget_class->draw = gtk_entry_draw; widget_class->expose_event = gtk_entry_expose; widget_class->button_press_event = gtk_entry_button_press; widget_class->button_release_event = gtk_entry_button_release; widget_class->motion_notify_event = gtk_entry_motion_notify; widget_class->key_press_event = gtk_entry_key_press; widget_class->focus_in_event = gtk_entry_focus_in; widget_class->focus_out_event = gtk_entry_focus_out; widget_class->style_set = gtk_entry_style_set; widget_class->state_changed = gtk_entry_state_changed; editable_class->insert_text = gtk_entry_insert_text; editable_class->delete_text = gtk_entry_delete_text; editable_class->changed = (void (*)(GtkEditable *)) gtk_entry_adjust_scroll; editable_class->move_cursor = gtk_entry_move_cursor; editable_class->move_word = gtk_entry_move_word; editable_class->move_to_column = gtk_entry_move_to_column; editable_class->kill_char = gtk_entry_kill_char; editable_class->kill_word = gtk_entry_kill_word; editable_class->kill_line = gtk_entry_kill_line; editable_class->update_text = gtk_entry_update_text; editable_class->get_chars = gtk_entry_get_chars; editable_class->set_selection = gtk_entry_set_selection; editable_class->set_position = gtk_entry_set_position_from_editable; } static void gtk_entry_set_arg (GtkObject *object, GtkArg *arg, guint arg_id) { GtkEntry *entry; entry = GTK_ENTRY (object); switch (arg_id) { case ARG_MAX_LENGTH: gtk_entry_set_max_length (entry, GTK_VALUE_UINT (*arg)); break; case ARG_VISIBILITY: gtk_entry_set_visibility (entry, GTK_VALUE_BOOL (*arg)); break; default: break; } } static void gtk_entry_get_arg (GtkObject *object, GtkArg *arg, guint arg_id) { GtkEntry *entry; entry = GTK_ENTRY (object); switch (arg_id) { case ARG_MAX_LENGTH: GTK_VALUE_UINT (*arg) = entry->text_max_length; break; case ARG_VISIBILITY: GTK_VALUE_BOOL (*arg) = entry->visible; break; default: arg->type = GTK_TYPE_INVALID; break; } } static void gtk_entry_init (GtkEntry *entry) { GTK_WIDGET_SET_FLAGS (entry, GTK_CAN_FOCUS); entry->text_area = NULL; entry->backing_pixmap = NULL; entry->text = NULL; entry->text_size = 0; entry->text_length = 0; entry->text_max_length = 0; entry->scroll_offset = 0; entry->timer = 0; entry->button = 0; entry->visible = 1; entry->nchars = 0; entry->char_pos = NULL; entry->char_offset = NULL; gtk_entry_grow_text (entry); } GtkWidget* gtk_entry_new (void) { return GTK_WIDGET (gtk_type_new (GTK_TYPE_ENTRY)); } GtkWidget* gtk_entry_new_with_max_length (guint16 max) { GtkEntry *entry; entry = gtk_type_new (GTK_TYPE_ENTRY); entry->text_max_length = max; return GTK_WIDGET (entry); } void gtk_entry_set_text (GtkEntry *entry, const gchar *text) { gint tmp_pos; GtkEditable *editable; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); g_return_if_fail (text != NULL); editable = GTK_EDITABLE (entry); gtk_entry_delete_text (GTK_EDITABLE(entry), 0, entry->text_length); tmp_pos = 0; gtk_editable_insert_text (editable, text, strlen (text), &tmp_pos); editable->current_pos = tmp_pos; editable->selection_start_pos = 0; editable->selection_end_pos = 0; if (GTK_WIDGET_DRAWABLE (entry)) gtk_entry_draw_text (entry); } void gtk_entry_append_text (GtkEntry *entry, const gchar *text) { gint tmp_pos; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); g_return_if_fail (text != NULL); tmp_pos = entry->text_length; gtk_editable_insert_text (GTK_EDITABLE(entry), text, strlen (text), &tmp_pos); GTK_EDITABLE(entry)->current_pos = tmp_pos; } void gtk_entry_prepend_text (GtkEntry *entry, const gchar *text) { gint tmp_pos; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); g_return_if_fail (text != NULL); tmp_pos = 0; gtk_editable_insert_text (GTK_EDITABLE(entry), text, strlen (text), &tmp_pos); GTK_EDITABLE(entry)->current_pos = tmp_pos; } void gtk_entry_set_position (GtkEntry *entry, gint position) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if ((position == -1) || (position > entry->text_length)) GTK_EDITABLE(entry)->current_pos = entry->text_length; else GTK_EDITABLE(entry)->current_pos = position; gtk_entry_adjust_scroll (entry); } static void gtk_entry_set_position_from_editable (GtkEditable *editable, gint position) { gtk_entry_set_position (GTK_ENTRY (editable), position); } void gtk_entry_set_visibility (GtkEntry *entry, gboolean visible) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); entry->visible = visible; gtk_entry_recompute_offsets (entry); gtk_widget_queue_draw (GTK_WIDGET (entry)); } void gtk_entry_set_editable(GtkEntry *entry, gboolean editable) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); gtk_editable_set_editable (GTK_EDITABLE (entry), editable); } gchar* gtk_entry_get_text (GtkEntry *entry) { static char empty_str[2] = ""; g_return_val_if_fail (entry != NULL, NULL); g_return_val_if_fail (GTK_IS_ENTRY (entry), NULL); if (!entry->text) return empty_str; return entry->text; } static void gtk_entry_finalize (GtkObject *object) { GtkEntry *entry; g_return_if_fail (object != NULL); g_return_if_fail (GTK_IS_ENTRY (object)); entry = GTK_ENTRY (object); #ifdef USE_XIM if (GTK_EDITABLE(entry)->ic) { gdk_ic_destroy (GTK_EDITABLE(entry)->ic); GTK_EDITABLE(entry)->ic = NULL; } #endif if (entry->timer) gtk_timeout_remove (entry->timer); entry->text_size = 0; if (entry->text) g_free (entry->text); if (entry->char_pos) g_free (entry->char_pos); if (entry->char_offset) g_free (entry->char_offset); entry->text = NULL; if (entry->backing_pixmap) gdk_pixmap_unref (entry->backing_pixmap); (* GTK_OBJECT_CLASS (parent_class)->finalize) (object); } static void gtk_entry_realize (GtkWidget *widget) { GtkEntry *entry; GtkEditable *editable; GdkWindowAttr attributes; gint attributes_mask; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); attributes.window_type = GDK_WINDOW_CHILD; attributes.x = widget->allocation.x; attributes.y = widget->allocation.y + (widget->allocation.height - widget->requisition.height) / 2; attributes.width = widget->allocation.width; attributes.height = widget->requisition.height; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (widget); attributes.colormap = gtk_widget_get_colormap (widget); attributes.event_mask = gtk_widget_get_events (widget); attributes.event_mask |= (GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON3_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_KEY_PRESS_MASK); attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask); gdk_window_set_user_data (widget->window, entry); attributes.x = widget->style->klass->xthickness + INNER_BORDER; attributes.y = widget->style->klass->ythickness + INNER_BORDER; attributes.width = widget->allocation.width - attributes.x * 2; attributes.height = widget->requisition.height - attributes.y * 2; attributes.cursor = entry->cursor = gdk_cursor_new (GDK_XTERM); attributes_mask |= GDK_WA_CURSOR; entry->text_area = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_user_data (entry->text_area, entry); widget->style = gtk_style_attach (widget->style, widget->window); gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]); gdk_window_set_background (entry->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]); #ifdef USE_XIM if (gdk_im_ready ()) { GdkPoint spot; GdkRectangle rect; gint width, height; GdkEventMask mask; GdkIMStyle style; GdkIMStyle supported_style = GdkIMPreeditNone | GdkIMPreeditNothing | GdkIMPreeditPosition | GdkIMStatusNone | GdkIMStatusNothing; if (widget->style && widget->style->font->type != GDK_FONT_FONTSET) supported_style &= ~GdkIMPreeditPosition; style = gdk_im_decide_style (supported_style); switch (style & GdkIMPreeditMask) { case GdkIMPreeditPosition: if (widget->style && widget->style->font->type != GDK_FONT_FONTSET) { g_warning ("over-the-spot style requires fontset"); break; } gdk_window_get_size (entry->text_area, &width, &height); rect.x = 0; rect.y = 0; rect.width = width; rect.height = height; spot.x = 0; spot.y = height; editable->ic = gdk_ic_new (entry->text_area, entry->text_area, style, "spotLocation", &spot, "area", &rect, "fontSet", GDK_FONT_XFONT (widget->style->font), NULL); break; default: editable->ic = gdk_ic_new (entry->text_area, entry->text_area, style, NULL); } if (editable->ic == NULL) g_warning ("Can't create input context."); else { GdkColormap *colormap; mask = gdk_window_get_events (entry->text_area); mask |= gdk_ic_get_events (editable->ic); gdk_window_set_events (entry->text_area, mask); if ((colormap = gtk_widget_get_colormap (widget)) != gtk_widget_get_default_colormap ()) { gdk_ic_set_attr (editable->ic, "preeditAttributes", "colorMap", GDK_COLORMAP_XCOLORMAP (colormap), NULL); } gdk_ic_set_attr (editable->ic,"preeditAttributes", "foreground", widget->style->fg[GTK_STATE_NORMAL].pixel, "background", widget->style->base[GTK_STATE_NORMAL].pixel, NULL); } } #endif gdk_window_show (entry->text_area); if (editable->selection_start_pos != editable->selection_end_pos) gtk_editable_claim_selection (editable, TRUE, GDK_CURRENT_TIME); gtk_entry_recompute_offsets (entry); } static void gtk_entry_unrealize (GtkWidget *widget) { GtkEntry *entry; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); entry = GTK_ENTRY (widget); if (entry->text_area) { gdk_window_set_user_data (entry->text_area, NULL); gdk_window_destroy (entry->text_area); entry->text_area = NULL; gdk_cursor_destroy (entry->cursor); entry->cursor = NULL; } if (GTK_WIDGET_CLASS (parent_class)->unrealize) (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); } static void gtk_entry_draw_focus (GtkWidget *widget) { gint width, height; gint x, y; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); if (GTK_WIDGET_DRAWABLE (widget)) { x = 0; y = 0; gdk_window_get_size (widget->window, &width, &height); if (GTK_WIDGET_HAS_FOCUS (widget)) { x += 1; y += 1; width -= 2; height -= 2; } else { gdk_draw_rectangle (widget->window, widget->style->base_gc[GTK_WIDGET_STATE (widget)], FALSE, x + 2, y + 2, width - 5, height - 5); } gtk_draw_shadow (widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN, x, y, width, height); if (GTK_WIDGET_HAS_FOCUS (widget)) { gdk_window_get_size (widget->window, &width, &height); gdk_draw_rectangle (widget->window, widget->style->fg_gc[GTK_STATE_NORMAL], FALSE, 0, 0, width - 1, height - 1); } if (GTK_EDITABLE (widget)->editable) gtk_entry_draw_cursor (GTK_ENTRY (widget)); } } static void gtk_entry_size_request (GtkWidget *widget, GtkRequisition *requisition) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); g_return_if_fail (requisition != NULL); requisition->width = MIN_ENTRY_WIDTH + (widget->style->klass->xthickness + INNER_BORDER) * 2; requisition->height = (widget->style->font->ascent + widget->style->font->descent + (widget->style->klass->ythickness + INNER_BORDER) * 2); } static void gtk_entry_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkEntry *entry; GtkEditable *editable; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); g_return_if_fail (allocation != NULL); widget->allocation = *allocation; entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (widget->window, allocation->x, allocation->y + (allocation->height - widget->requisition.height) / 2, allocation->width, widget->requisition.height); gdk_window_move_resize (entry->text_area, widget->style->klass->xthickness + INNER_BORDER, widget->style->klass->ythickness + INNER_BORDER, allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2, widget->requisition.height - (widget->style->klass->ythickness + INNER_BORDER) * 2); /* And make sure the cursor is on screen */ gtk_entry_adjust_scroll (entry); #ifdef USE_XIM if (editable->ic && (gdk_ic_get_style (editable->ic) & GdkIMPreeditPosition)) { gint width, height; GdkRectangle rect; gdk_window_get_size (entry->text_area, &width, &height); rect.x = 0; rect.y = 0; rect.width = width; rect.height = height; gdk_ic_set_attr (editable->ic, "preeditAttributes", "area", &rect, NULL); } #endif } } static void gtk_entry_draw (GtkWidget *widget, GdkRectangle *area) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); g_return_if_fail (area != NULL); if (GTK_WIDGET_DRAWABLE (widget)) { gtk_widget_draw_focus (widget); gtk_entry_draw_text (GTK_ENTRY (widget)); } } static gint gtk_entry_expose (GtkWidget *widget, GdkEventExpose *event) { GtkEntry *entry; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); entry = GTK_ENTRY (widget); if (widget->window == event->window) gtk_widget_draw_focus (widget); else if (entry->text_area == event->window) gtk_entry_draw_text (GTK_ENTRY (widget)); return FALSE; } static gint gtk_entry_button_press (GtkWidget *widget, GdkEventButton *event) { GtkEntry *entry; GtkEditable *editable; gint tmp_pos; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); if (ctext_atom == GDK_NONE) ctext_atom = gdk_atom_intern ("COMPOUND_TEXT", FALSE); entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); if (entry->button && (event->button != entry->button)) return FALSE; entry->button = event->button; if (!GTK_WIDGET_HAS_FOCUS (widget)) gtk_widget_grab_focus (widget); if (event->button == 1) { switch (event->type) { case GDK_BUTTON_PRESS: gtk_grab_add (widget); tmp_pos = gtk_entry_position (entry, event->x + entry->scroll_offset); /* Set it now, so we display things right. We'll unset it * later if things don't work out */ editable->has_selection = TRUE; gtk_entry_set_selection (editable, tmp_pos, tmp_pos); editable->current_pos = editable->selection_start_pos; break; case GDK_2BUTTON_PRESS: gtk_select_word (entry, event->time); break; case GDK_3BUTTON_PRESS: gtk_select_line (entry, event->time); break; default: break; } } else if (event->type == GDK_BUTTON_PRESS) { if ((event->button == 2) && editable->editable) { if (editable->selection_start_pos == editable->selection_end_pos || editable->has_selection) editable->current_pos = gtk_entry_position (entry, event->x + entry->scroll_offset); gtk_selection_convert (widget, GDK_SELECTION_PRIMARY, ctext_atom, event->time); } else { gtk_grab_add (widget); tmp_pos = gtk_entry_position (entry, event->x + entry->scroll_offset); gtk_entry_set_selection (editable, tmp_pos, tmp_pos); editable->has_selection = FALSE; editable->current_pos = editable->selection_start_pos; if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == widget->window) gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, event->time); } } return FALSE; } static gint gtk_entry_button_release (GtkWidget *widget, GdkEventButton *event) { GtkEntry *entry; GtkEditable *editable; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); if (entry->button != event->button) return FALSE; entry->button = 0; if (event->button == 1) { gtk_grab_remove (widget); editable->has_selection = FALSE; if (editable->selection_start_pos != editable->selection_end_pos) { if (gtk_selection_owner_set (widget, GDK_SELECTION_PRIMARY, event->time)) editable->has_selection = TRUE; else gtk_entry_queue_draw (entry); } else { if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == widget->window) gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, event->time); } } else if (event->button == 3) { gtk_grab_remove (widget); } return FALSE; } static gint gtk_entry_motion_notify (GtkWidget *widget, GdkEventMotion *event) { GtkEntry *entry; gint x; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); entry = GTK_ENTRY (widget); if (entry->button == 0) return FALSE; x = event->x; if (event->is_hint || (entry->text_area != event->window)) gdk_window_get_pointer (entry->text_area, &x, NULL, NULL); GTK_EDITABLE(entry)->selection_end_pos = gtk_entry_position (entry, x + entry->scroll_offset); GTK_EDITABLE(entry)->current_pos = GTK_EDITABLE(entry)->selection_end_pos; gtk_entry_adjust_scroll (entry); gtk_entry_queue_draw (entry); return FALSE; } static gint gtk_entry_key_press (GtkWidget *widget, GdkEventKey *event) { GtkEntry *entry; GtkEditable *editable; gint return_val; gint key; guint initial_pos; gint extend_selection; gint extend_start; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); entry = GTK_ENTRY (widget); editable = GTK_EDITABLE (widget); return_val = FALSE; if(editable->editable == FALSE) return FALSE; initial_pos = editable->current_pos; extend_selection = event->state & GDK_SHIFT_MASK; extend_start = FALSE; if (extend_selection) { if (editable->selection_start_pos == editable->selection_end_pos) { editable->selection_start_pos = editable->current_pos; editable->selection_end_pos = editable->current_pos; } extend_start = (editable->current_pos == editable->selection_start_pos); } switch (event->keyval) { case GDK_BackSpace: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) gtk_delete_backward_word (entry); else gtk_delete_backward_character (entry); break; case GDK_Clear: return_val = TRUE; gtk_delete_line (entry); break; case GDK_Insert: return_val = TRUE; if (event->state & GDK_SHIFT_MASK) { extend_selection = FALSE; gtk_editable_paste_clipboard (editable); } else if (event->state & GDK_CONTROL_MASK) { gtk_editable_copy_clipboard (editable); } else { /* gtk_toggle_insert(entry) -- IMPLEMENT */ } break; case GDK_Delete: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) gtk_delete_forward_word (entry); else if (event->state & GDK_SHIFT_MASK) { extend_selection = FALSE; gtk_editable_cut_clipboard (editable); } else gtk_delete_forward_character (entry); break; case GDK_Home: return_val = TRUE; gtk_move_beginning_of_line (entry); break; case GDK_End: return_val = TRUE; gtk_move_end_of_line (entry); break; case GDK_Left: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) gtk_move_backward_word (entry); else gtk_move_backward_character (entry); break; case GDK_Right: return_val = TRUE; if (event->state & GDK_CONTROL_MASK) gtk_move_forward_word (entry); else gtk_move_forward_character (entry); break; case GDK_Return: return_val = TRUE; gtk_signal_emit_by_name (GTK_OBJECT (entry), "activate"); break; /* The next two keys should not be inserted literally. Any others ??? */ case GDK_Tab: case GDK_Escape: break; default: if ((event->keyval >= 0x20) && (event->keyval <= 0xFF)) { key = event->keyval; if (event->state & GDK_CONTROL_MASK) { if ((key >= 'A') && (key <= 'Z')) key -= 'A' - 'a'; if ((key >= 'a') && (key <= 'z') && control_keys[key - 'a']) { (* control_keys[key - 'a']) (editable, event->time); return_val = TRUE; } break; } else if (event->state & GDK_MOD1_MASK) { if ((key >= 'A') && (key <= 'Z')) key -= 'A' - 'a'; if ((key >= 'a') && (key <= 'z') && alt_keys[key - 'a']) { (* alt_keys[key - 'a']) (editable, event->time); return_val = TRUE; } break; } } if (event->length > 0) { gint tmp_pos; extend_selection = FALSE; gtk_editable_delete_selection (editable); tmp_pos = editable->current_pos; gtk_editable_insert_text (editable, event->string, event->length, &tmp_pos); editable->current_pos = tmp_pos; return_val = TRUE; } break; } /* since we emit signals from within the above code, * the widget might already be destroyed or at least * unrealized. */ if (GTK_WIDGET_REALIZED (editable) && return_val && (editable->current_pos != initial_pos)) { if (extend_selection) { if (editable->current_pos < editable->selection_start_pos) editable->selection_start_pos = editable->current_pos; else if (editable->current_pos > editable->selection_end_pos) editable->selection_end_pos = editable->current_pos; else { if (extend_start) editable->selection_start_pos = editable->current_pos; else editable->selection_end_pos = editable->current_pos; } } else { editable->selection_start_pos = 0; editable->selection_end_pos = 0; } gtk_editable_claim_selection (editable, editable->selection_start_pos != editable->selection_end_pos, event->time); gtk_entry_adjust_scroll (entry); gtk_entry_queue_draw (entry); } return return_val; } static gint gtk_entry_focus_in (GtkWidget *widget, GdkEventFocus *event) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); gtk_widget_draw_focus (widget); #ifdef USE_XIM if (GTK_EDITABLE(widget)->ic) gdk_im_begin (GTK_EDITABLE(widget)->ic, GTK_ENTRY(widget)->text_area); #endif return FALSE; } static gint gtk_entry_focus_out (GtkWidget *widget, GdkEventFocus *event) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); gtk_widget_draw_focus (widget); #ifdef USE_XIM gdk_im_end (); #endif return FALSE; } static void gtk_entry_make_backing_pixmap (GtkEntry *entry, gint width, gint height) { gint pixmap_width, pixmap_height; if (!entry->backing_pixmap) { /* allocate */ entry->backing_pixmap = gdk_pixmap_new (entry->text_area, width, height, -1); } else { /* reallocate if sizes don't match */ gdk_window_get_size (entry->backing_pixmap, &pixmap_width, &pixmap_height); if ((pixmap_width != width) || (pixmap_height != height)) { gdk_pixmap_unref (entry->backing_pixmap); entry->backing_pixmap = gdk_pixmap_new (entry->text_area, width, height, -1); } } } static void gtk_entry_draw_text (GtkEntry *entry) { GtkWidget *widget; GtkEditable *editable; GtkStateType selected_state; gint start_char; gint start_pos; gint end_pos; gint end_char; gint start_xoffset; gint selection_start_char; gint selection_end_char; gint selection_start_pos; gint selection_end_pos; gint selection_start_xoffset; gint selection_end_xoffset; gint width, height; gint y; GdkDrawable *drawable; gint use_backing_pixmap; gchar *stars; gchar *toprint; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if (entry->timer) { gtk_timeout_remove (entry->timer); entry->timer = 0; } if (GTK_WIDGET_DRAWABLE (entry)) { widget = GTK_WIDGET (entry); editable = GTK_EDITABLE (entry); if (!entry->text) { gdk_window_clear (entry->text_area); if (editable->editable) gtk_entry_draw_cursor (entry); return; } gdk_window_get_size (entry->text_area, &width, &height); /* If the widget has focus, draw on a backing pixmap to avoid flickering and copy it to the text_area. Otherwise draw to text_area directly for better speed. */ use_backing_pixmap = GTK_WIDGET_HAS_FOCUS (widget) && (entry->text != NULL); if (use_backing_pixmap) { gtk_entry_make_backing_pixmap (entry, width, height); drawable = entry->backing_pixmap; gdk_draw_rectangle (drawable, widget->style->base_gc[GTK_WIDGET_STATE(widget)], TRUE, 0, 0, width, height); } else { drawable = entry->text_area; gdk_window_clear (entry->text_area); } y = (height - (widget->style->font->ascent + widget->style->font->descent)) / 2; y += widget->style->font->ascent; start_char = gtk_entry_find_position (entry, entry->scroll_offset); start_pos = entry->char_pos[start_char]; start_xoffset = entry->char_offset[start_char] - entry->scroll_offset; end_char = gtk_entry_find_position (entry, entry->scroll_offset + width); end_pos = entry->char_pos[end_char]; if (end_pos < entry->text_length) end_pos += 1; selected_state = GTK_STATE_SELECTED; if (!editable->has_selection) selected_state = GTK_STATE_ACTIVE; selection_start_pos = MIN (editable->selection_start_pos, editable->selection_end_pos); selection_end_pos = MAX (editable->selection_start_pos, editable->selection_end_pos); selection_start_pos = CLAMP (selection_start_pos, start_pos, end_pos); selection_end_pos = CLAMP (selection_end_pos, start_pos, end_pos); selection_start_char = gtk_entry_find_char(entry,selection_start_pos); selection_end_char = gtk_entry_find_char(entry,selection_end_pos); selection_start_xoffset = entry->char_offset[selection_start_char] - entry->scroll_offset; selection_end_xoffset = entry->char_offset[selection_end_char] -entry->scroll_offset; /* if entry->visible, print a bunch of stars. If not, print the standard text. */ if (entry->visible) { toprint = entry->text + start_pos; } else { gint i; stars = g_malloc (end_char - start_char); for (i = 0; i < end_char - start_char; i++) stars[i] = '*'; toprint = stars; /* Since '*' is always one byte, work in bytes */ start_pos = start_char; selection_start_pos = selection_start_char; selection_end_pos = selection_end_char; end_pos = end_char; } if (selection_start_pos > start_pos) gdk_draw_text (drawable, widget->style->font, widget->style->fg_gc[GTK_WIDGET_STATE (widget)], start_xoffset, y, toprint, selection_start_pos - start_pos); if ((selection_end_pos >= start_pos) && (selection_start_pos < end_pos) && (selection_start_pos != selection_end_pos)) { gdk_draw_rectangle (drawable, widget->style->bg_gc[selected_state], TRUE, selection_start_xoffset, 0, selection_end_xoffset - selection_start_xoffset, -1); gdk_draw_text (drawable, widget->style->font, widget->style->fg_gc[selected_state], selection_start_xoffset, y, toprint + selection_start_pos - start_pos, selection_end_pos - selection_start_pos); } if (selection_end_pos < end_pos) gdk_draw_text (drawable, widget->style->font, widget->style->fg_gc[GTK_WIDGET_STATE (widget)], selection_end_xoffset, y, toprint + selection_end_pos - start_pos, end_pos - selection_end_pos); /* free the space allocated for the stars if it's neccessary. */ if (!entry->visible) g_free (toprint); if (editable->editable) gtk_entry_draw_cursor_on_drawable (entry, drawable); if (use_backing_pixmap) gdk_draw_pixmap(entry->text_area, widget->style->fg_gc[GTK_STATE_NORMAL], entry->backing_pixmap, 0, 0, 0, 0, width, height); } } static void gtk_entry_draw_cursor (GtkEntry *entry) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); gtk_entry_draw_cursor_on_drawable (entry, entry->text_area); } static void gtk_entry_draw_cursor_on_drawable (GtkEntry *entry, GdkDrawable *drawable) { GtkWidget *widget; GtkEditable *editable; GdkGC *gc; gint xoffset; gint text_area_height; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if (GTK_WIDGET_DRAWABLE (entry)) { widget = GTK_WIDGET (entry); editable = GTK_EDITABLE (entry); xoffset = entry->char_offset[gtk_entry_find_char (entry, editable->current_pos)]; xoffset -= entry->scroll_offset; if (GTK_WIDGET_HAS_FOCUS (widget) && (editable->selection_start_pos == editable->selection_end_pos)) gc = widget->style->fg_gc[GTK_STATE_NORMAL]; else gc = widget->style->base_gc[GTK_WIDGET_STATE(widget)]; gdk_window_get_size (entry->text_area, NULL, &text_area_height); gdk_draw_line (drawable, gc, xoffset, 0, xoffset, text_area_height); #ifdef USE_XIM if (gdk_im_ready() && editable->ic && gdk_ic_get_style (editable->ic) & GdkIMPreeditPosition) { GdkPoint spot; spot.x = xoffset; spot.y = (text_area_height + (widget->style->font->ascent - widget->style->font->descent) + 1) / 2; gdk_ic_set_attr (editable->ic, "preeditAttributes", "spotLocation", &spot, NULL); } #endif } } static void gtk_entry_queue_draw (GtkEntry *entry) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if (!entry->timer) entry->timer = gtk_timeout_add (DRAW_TIMEOUT, gtk_entry_timer, entry); } static gint gtk_entry_timer (gpointer data) { GtkEntry *entry; g_return_val_if_fail (data != NULL, FALSE); entry = GTK_ENTRY (data); entry->timer = 0; gtk_entry_draw_text (entry); return FALSE; } static gint gtk_entry_find_position (GtkEntry *entry, gint x) { gint start = 0; gint end = entry->nchars; gint half; if (x <= 0) return 0; if (x >= entry->char_offset[end]) return end; /* invariant - char_offset[start] <= x < char_offset[end] */ while (start != end) { half = (start+end)/2; if (half == start) return half; else if (entry->char_offset[half] <= x) start = half; else end = half; } return start; } static gint gtk_entry_position (GtkEntry *entry, gint x) { return entry->char_pos[gtk_entry_find_position(entry, x)]; } void gtk_entry_adjust_scroll (GtkEntry *entry) { gint xoffset, max_offset; gint text_area_width; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if (!entry->text_area) return; gdk_window_get_size (entry->text_area, &text_area_width, NULL); /* Display as much text as we can */ max_offset = MAX(0, entry->char_offset[entry->nchars] - text_area_width); if (entry->scroll_offset > max_offset) entry->scroll_offset = max_offset; /* And make sure cursor is on screen */ xoffset = entry->char_offset[gtk_entry_find_char (entry, GTK_EDITABLE(entry)->current_pos)]; xoffset -= entry->scroll_offset; if (xoffset < 0) entry->scroll_offset += xoffset; else if (xoffset > text_area_width) entry->scroll_offset += xoffset - text_area_width + 1; gtk_widget_queue_draw (GTK_WIDGET (entry)); } static void gtk_entry_grow_text (GtkEntry *entry) { gint previous_size; gint i; g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); previous_size = entry->text_size; if (!entry->text_size) entry->text_size = 128; else entry->text_size *= 2; entry->text = g_realloc (entry->text, entry->text_size); entry->char_pos = g_realloc (entry->char_pos, entry->text_size * sizeof(guint16)); entry->char_offset = g_realloc (entry->char_offset, entry->text_size * sizeof(guint)); if (entry->text_length == 0) /* initial allocation */ { entry->char_pos[0] = 0; entry->char_offset[0] = 0; } for (i = previous_size; i < entry->text_size; i++) entry->text[i] = '\0'; } static void gtk_entry_insert_text (GtkEditable *editable, const gchar *new_text, gint new_text_length, gint *position) { gchar *text; gint start_char; gint end_char; gint start_pos; gint last_char; gint end_pos; gint last_pos; gint max_length; gint i; gint insertion_chars; guint16 *insertion_pos = NULL; /* Quiet the compiler */ GtkEntry *entry; g_return_if_fail (editable != NULL); g_return_if_fail (GTK_IS_ENTRY (editable)); entry = GTK_ENTRY (editable); if (new_text_length < 0) new_text_length = strlen (new_text); /* The algorithms here will work as long as, the text size (a * multiple of 2), fits into a guint16 but we specify a shorter * maximum length so that if the user pastes a very long text, there * is not a long hang from the slow X_LOCALE functions. */ if (entry->text_max_length == 0) max_length = 2047; else max_length = MIN (2047, entry->text_max_length); /* Make sure we do not exceed the maximum size of the entry. */ if (new_text_length + entry->text_length > max_length) new_text_length = max_length - entry->text_length; /* Don't insert anything, if there was nothing to insert. */ if (new_text_length <= 0) return; /* Find the length of the inserted text in characters, chop off partial/invalid characters */ if (gtk_use_mb) { gint len = 0; insertion_pos = g_new (guint16, new_text_length+1); insertion_chars = 0; for (i=0; ichar_pos[start_char]; end_pos = start_pos + new_text_length; last_pos = new_text_length + entry->text_length; if (editable->selection_start_pos >= *position) editable->selection_start_pos += new_text_length; if (editable->selection_end_pos >= *position) editable->selection_end_pos += new_text_length; while (last_pos >= entry->text_size) gtk_entry_grow_text (entry); text = entry->text; for (i = last_pos - 1; i >= end_pos; i--) text[i] = text[i- (end_pos - start_pos)]; for (i = start_pos; i < end_pos; i++) text[i] = new_text[i - start_pos]; if (gtk_use_mb) { /* Fix up the character positions */ end_char = start_char + insertion_chars; last_char = entry->nchars + insertion_chars; for (i = last_char; i >= end_char; i--) entry->char_pos[i] = entry->char_pos[i - insertion_chars] + new_text_length; for (i = 1; i < insertion_chars ; i++) entry->char_pos[start_char+i] = entry->char_pos[start_char] + insertion_pos[i]; g_free (insertion_pos); } else { end_char = end_pos; last_char = last_pos; for (i = start_char ; i <= last_char ; i++) entry->char_pos[i] = i; } /* Fix up the the character offsets */ if (GTK_WIDGET_REALIZED (entry)) { gint offset = 0; for (i = last_char; i >= end_char; i--) entry->char_offset[i] = entry->char_offset[i - insertion_chars]; for (i=start_char; ichar_offset[i] = entry->char_offset[start_char] + offset; if (entry->visible) { offset += gdk_text_width (GTK_WIDGET (entry)->style->font, entry->text + entry->char_pos[i], entry->char_pos[i+1] - entry->char_pos[i]); } else { offset += gdk_text_width (GTK_WIDGET (entry)->style->font, "*", 1); } } for (i = end_char ; i <= last_char ; i++) entry->char_offset[i] += offset; } entry->text_length += new_text_length; entry->nchars += insertion_chars; *position = end_pos; gtk_entry_queue_draw (entry); } /* Recompute the x offsets of all characters in the buffer */ static void gtk_entry_recompute_offsets (GtkEntry *entry) { gint i; gint offset = 0; for (i=0; inchars; i++) { entry->char_offset[i] = offset; if (entry->visible) { offset += gdk_text_width (GTK_WIDGET (entry)->style->font, entry->text + entry->char_pos[i], entry->char_pos[i+1] - entry->char_pos[i]); } else { offset += gdk_text_width (GTK_WIDGET (entry)->style->font, "*", 1); } } entry->char_offset[i] = offset; } /* Given a position in the entry, find the character index of the * last character with position <= the given position */ static gint gtk_entry_find_char (GtkEntry *entry, gint position) { gint start = 0; gint end = entry->nchars; gint half; if (position >= entry->char_pos[end]) return end; if (position < 0) return 0; /* invariant - char_pos[start] <= position < char_pos[end] */ while (start != end) { half = (start+end)/2; if (half == start) return half; else if (entry->char_pos[half] <= position) start = half; else end = half; } return start; } static void gtk_entry_delete_text (GtkEditable *editable, gint start_pos, gint end_pos) { gchar *text; gint deletion_length; gint start_char; gint end_char; gint i; GtkEntry *entry; g_return_if_fail (editable != NULL); g_return_if_fail (GTK_IS_ENTRY (editable)); entry = GTK_ENTRY (editable); if (end_pos < 0) end_pos = entry->text_length; start_char = gtk_entry_find_char (entry, start_pos); end_char = gtk_entry_find_char (entry, end_pos); start_pos = entry->char_pos[start_char]; end_pos = entry->char_pos[end_char]; if (editable->selection_start_pos > start_pos) editable->selection_start_pos -= MIN(end_pos, editable->selection_start_pos) - start_pos; if (editable->selection_end_pos > start_pos) editable->selection_end_pos -= MIN(end_pos, editable->selection_end_pos) - start_pos; if ((start_pos < end_pos) && (start_pos >= 0) && (end_pos <= entry->text_length)) { text = entry->text; deletion_length = end_pos - start_pos; /* Fix up the character offsets */ if (GTK_WIDGET_REALIZED (entry)) { gint deletion_width = entry->char_offset[end_char] - entry->char_offset[start_char]; for (i = 0 ; i <= entry->nchars - end_char; i++) entry->char_offset[start_char+i] = entry->char_offset[end_char+i] - deletion_width; } for (i = end_pos; i < entry->text_length; i++) text[i - deletion_length] = text[i]; for (i = entry->text_length - deletion_length; i < entry->text_length; i++) text[i] = '\0'; for (i = 0 ; i <= entry->nchars - end_char; i++) entry->char_pos[start_char+i] = entry->char_pos[end_char+i] - deletion_length; entry->nchars -= end_char - start_char; entry->text_length -= deletion_length; editable->current_pos = start_pos; } gtk_entry_queue_draw (entry); } static void gtk_entry_update_text (GtkEditable *editable, gint start_pos, gint end_pos) { gtk_entry_queue_draw (GTK_ENTRY(editable)); } static gchar * gtk_entry_get_chars (GtkEditable *editable, gint start_pos, gint end_pos) { gchar *retval; GtkEntry *entry; gchar c; g_return_val_if_fail (editable != NULL, NULL); g_return_val_if_fail (GTK_IS_ENTRY (editable), NULL); entry = GTK_ENTRY (editable); if (end_pos < 0) end_pos = entry->text_length; start_pos = MIN(entry->text_length, start_pos); end_pos = MIN(entry->text_length, end_pos); if (start_pos <= end_pos) { c = entry->text[end_pos]; entry->text[end_pos] = '\0'; retval = g_strdup (&entry->text[start_pos]); entry->text[end_pos] = c; return retval; } else return NULL; } static void gtk_entry_move_cursor (GtkEditable *editable, gint x, gint y) { gint len; GtkEntry *entry; entry = GTK_ENTRY (editable); /* Horizontal motion */ if (x > 0) { while (x-- != 0) { if (gtk_use_mb) { if (editable->current_pos < entry->text_length) { len = mblen (entry->text+editable->current_pos, MB_CUR_MAX); editable->current_pos += (len>0)? len:1; } if (editable->current_pos > entry->text_length) editable->current_pos = entry->text_length; } else { if (editable->current_pos < entry->text_length) editable->current_pos ++; } } } else if (x < 0) { while (x++ != 0) { if (0 < editable->current_pos) { if (gtk_use_mb) editable->current_pos = entry->char_pos[gtk_entry_find_char (entry, editable->current_pos - 1)]; else editable->current_pos--; } } } /* Ignore vertical motion */ } static void gtk_move_forward_character (GtkEntry *entry) { gtk_entry_move_cursor (GTK_EDITABLE (entry), 1, 0); } static void gtk_move_backward_character (GtkEntry *entry) { gtk_entry_move_cursor (GTK_EDITABLE (entry), -1, 0); } static void gtk_entry_move_word (GtkEditable *editable, gint n) { if (n > 0) { while (n-- != 0) gtk_move_forward_word (GTK_ENTRY (editable)); } else if (n < 0) { while (n++ != 0) gtk_move_backward_word (GTK_ENTRY (editable)); } } static void gtk_move_forward_word (GtkEntry *entry) { GtkEditable *editable; gchar *text; gint i; wchar_t c; gint len; editable = GTK_EDITABLE (entry); if (entry->text && (editable->current_pos < entry->text_length)) { text = entry->text; i = editable->current_pos; if (gtk_use_mb) { len = mbtowc (&c, text+i, MB_CUR_MAX); if (!iswalnum(c)) for (; i < entry->text_length; i+=len) { len = mbtowc (&c, text+i, MB_CUR_MAX); if (len < 1 || iswalnum(c)) break; } for (; i < entry->text_length; i+=len) { len = mbtowc (&c, text+i, MB_CUR_MAX); if (len < 1 || !iswalnum(c)) break; } editable->current_pos = i; if (editable->current_pos > entry->text_length) editable->current_pos = entry->text_length; } else { if (!isalnum (text[i])) for (; i < entry->text_length; i++) { if (isalnum(text[i])) break; } for (; i < entry->text_length; i++) { if (!isalnum(text[i])) break; } editable->current_pos = i; } } } static void gtk_move_backward_word (GtkEntry *entry) { GtkEditable *editable; gchar *text; gint i; wchar_t c; editable = GTK_EDITABLE (entry); if (entry->text && editable->current_pos > 0) { text = entry->text; if (gtk_use_mb) { i = gtk_entry_find_char (entry, editable->current_pos - 1); mbtowc (&c, text+entry->char_pos[i], MB_CUR_MAX); if (!iswalnum(c)) for (; i >= 0; i--) { mbtowc (&c, text+entry->char_pos[i], MB_CUR_MAX); if (iswalnum(c)) break; } for (; i >= 0; i--) { mbtowc (&c, text+entry->char_pos[i], MB_CUR_MAX); if (!iswalnum(c)) { i++; break; } } if (i < 0) i = 0; editable->current_pos = entry->char_pos[i]; } else { i = editable->current_pos - 1; if (!isalnum(text[i])) for (; i >= 0; i--) { if (isalnum(text[i])) break; } for (; i >= 0; i--) { if (!isalnum(text[i])) { i++; break; } } if (i < 0) i = 0; editable->current_pos = i; } } } static void gtk_entry_move_to_column (GtkEditable *editable, gint column) { GtkEntry *entry; entry = GTK_ENTRY (editable); if (column < 0 || column > entry->nchars) editable->current_pos = entry->text_length; else editable->current_pos = entry->char_pos[column]; } static void gtk_move_beginning_of_line (GtkEntry *entry) { gtk_entry_move_to_column (GTK_EDITABLE (entry), 0); } static void gtk_move_end_of_line (GtkEntry *entry) { gtk_entry_move_to_column (GTK_EDITABLE (entry), -1); } static void gtk_entry_kill_char (GtkEditable *editable, gint direction) { if (editable->selection_start_pos != editable->selection_end_pos) gtk_editable_delete_selection (editable); else { gint old_pos = editable->current_pos; if (direction >= 0) { gtk_entry_move_cursor (editable, 1, 0); gtk_editable_delete_text (editable, old_pos, editable->current_pos); } else { gtk_entry_move_cursor (editable, -1, 0); gtk_editable_delete_text (editable, editable->current_pos, old_pos); } } } static void gtk_delete_forward_character (GtkEntry *entry) { gtk_entry_kill_char (GTK_EDITABLE (entry), 1); } static void gtk_delete_backward_character (GtkEntry *entry) { gtk_entry_kill_char (GTK_EDITABLE (entry), -1); } static void gtk_entry_kill_word (GtkEditable *editable, gint direction) { if (editable->selection_start_pos != editable->selection_end_pos) gtk_editable_delete_selection (editable); else { gint old_pos = editable->current_pos; if (direction >= 0) { gtk_entry_move_word (editable, 1); gtk_editable_delete_text (editable, old_pos, editable->current_pos); } else { gtk_entry_move_word (editable, -1); gtk_editable_delete_text (editable, editable->current_pos, old_pos); } } } static void gtk_delete_forward_word (GtkEntry *entry) { gtk_entry_kill_word (GTK_EDITABLE (entry), 1); } static void gtk_delete_backward_word (GtkEntry *entry) { gtk_entry_kill_word (GTK_EDITABLE (entry), -1); } static void gtk_entry_kill_line (GtkEditable *editable, gint direction) { gint old_pos = editable->current_pos; if (direction >= 0) { gtk_entry_move_to_column (editable, -1); gtk_editable_delete_text (editable, old_pos, editable->current_pos); } else { gtk_entry_move_to_column (editable, 0); gtk_editable_delete_text (editable, editable->current_pos, old_pos); } } static void gtk_delete_line (GtkEntry *entry) { gtk_entry_move_to_column (GTK_EDITABLE (entry), 0); gtk_entry_kill_line (GTK_EDITABLE (entry), 1); } static void gtk_delete_to_line_end (GtkEntry *entry) { gtk_editable_delete_text (GTK_EDITABLE(entry), GTK_EDITABLE(entry)->current_pos, entry->text_length); } static void gtk_select_word (GtkEntry *entry, guint32 time) { GtkEditable *editable; gint start_pos; gint end_pos; editable = GTK_EDITABLE (entry); gtk_move_backward_word (entry); start_pos = editable->current_pos; gtk_move_forward_word (entry); end_pos = editable->current_pos; editable->has_selection = TRUE; gtk_entry_set_selection (editable, start_pos, end_pos); gtk_editable_claim_selection (editable, start_pos != end_pos, time); } static void gtk_select_line (GtkEntry *entry, guint32 time) { GtkEditable *editable; editable = GTK_EDITABLE (entry); editable->has_selection = TRUE; gtk_entry_set_selection (editable, 0, entry->text_length); gtk_editable_claim_selection (editable, entry->text_length != 0, time); editable->current_pos = editable->selection_end_pos; } static void gtk_entry_set_selection (GtkEditable *editable, gint start, gint end) { g_return_if_fail (editable != NULL); g_return_if_fail (GTK_IS_ENTRY (editable)); if (end < 0) end = GTK_ENTRY (editable)->text_length; editable->selection_start_pos = start; editable->selection_end_pos = end; gtk_entry_queue_draw (GTK_ENTRY (editable)); } void gtk_entry_select_region (GtkEntry *entry, gint start, gint end) { gtk_editable_select_region (GTK_EDITABLE (entry), start, end); } void gtk_entry_set_max_length (GtkEntry *entry, guint16 max) { g_return_if_fail (entry != NULL); g_return_if_fail (GTK_IS_ENTRY (entry)); if (max && entry->text_length > max) gtk_editable_delete_text(GTK_EDITABLE(entry), max, -1); entry->text_max_length = max; } static void gtk_entry_style_set (GtkWidget *widget, GtkStyle *previous_style) { GtkEntry *entry; gint scroll_char; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); if (previous_style && GTK_WIDGET_REALIZED (widget)) { entry = GTK_ENTRY (widget); scroll_char = gtk_entry_find_position (entry, entry->scroll_offset); gtk_entry_recompute_offsets (GTK_ENTRY (widget)); entry->scroll_offset = entry->char_offset[scroll_char]; gtk_entry_adjust_scroll (entry); gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]); gdk_window_set_background (entry->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]); } if (GTK_WIDGET_DRAWABLE (widget)) gdk_window_clear (widget->window); } static void gtk_entry_state_changed (GtkWidget *widget, GtkStateType previous_state) { g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_ENTRY (widget)); if (GTK_WIDGET_REALIZED (widget)) { gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]); gdk_window_set_background (GTK_ENTRY (widget)->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]); } if (GTK_WIDGET_DRAWABLE (widget)) gdk_window_clear (widget->window); }