diff options
Diffstat (limited to 'gtk/gtkcombo.c')
| -rw-r--r-- | gtk/gtkcombo.c | 1234 |
1 files changed, 0 insertions, 1234 deletions
diff --git a/gtk/gtkcombo.c b/gtk/gtkcombo.c deleted file mode 100644 index 69ab413bab..0000000000 --- a/gtk/gtkcombo.c +++ /dev/null @@ -1,1234 +0,0 @@ -/* gtkcombo - combo widget for gtk+ - * Copyright 1997 Paolo Molaro - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser 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 1997-2000. 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/. - */ - -/* Do NOT, I repeat, NOT, copy any of the code in this file. - * The code here relies on all sorts of internal details of GTK+ - */ - -#undef GTK_DISABLE_DEPRECATED - -#include "config.h" -#include <string.h> - -#include <gdk/gdkkeysyms.h> - -#include "gtkarrow.h" -#include "gtklabel.h" -#include "gtklist.h" -#include "gtkentry.h" -#include "gtkeventbox.h" -#include "gtkbutton.h" -#include "gtklistitem.h" -#include "gtkscrolledwindow.h" -#include "gtkmain.h" -#include "gtkwindow.h" -#include "gtkcombo.h" -#include "gtkframe.h" -#include "gtkprivate.h" -#include "gtkintl.h" - -#include "gtkalias.h" - -static const gchar gtk_combo_string_key[] = "gtk-combo-string-value"; - -#define COMBO_LIST_MAX_HEIGHT (400) -#define EMPTY_LIST_HEIGHT (15) - -enum { - PROP_0, - PROP_ENABLE_ARROW_KEYS, - PROP_ENABLE_ARROWS_ALWAYS, - PROP_CASE_SENSITIVE, - PROP_ALLOW_EMPTY, - PROP_VALUE_IN_LIST -}; - -static void gtk_combo_realize (GtkWidget *widget); -static void gtk_combo_unrealize (GtkWidget *widget); -static void gtk_combo_destroy (GtkObject *combo); -static GtkListItem *gtk_combo_find (GtkCombo *combo); -static gchar * gtk_combo_func (GtkListItem *li); -static gboolean gtk_combo_focus_idle (GtkCombo *combo); -static gint gtk_combo_entry_focus_out (GtkEntry *entry, - GdkEventFocus *event, - GtkCombo *combo); -static void gtk_combo_get_pos (GtkCombo *combo, - gint *x, - gint *y, - gint *height, - gint *width); -static void gtk_combo_popup_list (GtkCombo *combo); -static void gtk_combo_popdown_list (GtkCombo *combo); - -static void gtk_combo_activate (GtkWidget *widget, - GtkCombo *combo); -static gboolean gtk_combo_popup_button_press (GtkWidget *button, - GdkEventButton *event, - GtkCombo *combo); -static gboolean gtk_combo_popup_button_leave (GtkWidget *button, - GdkEventCrossing *event, - GtkCombo *combo); -static void gtk_combo_update_entry (GtkCombo *combo); -static void gtk_combo_update_list (GtkEntry *entry, - GtkCombo *combo); -static gint gtk_combo_button_press (GtkWidget *widget, - GdkEvent *event, - GtkCombo *combo); -static void gtk_combo_button_event_after (GtkWidget *widget, - GdkEvent *event, - GtkCombo *combo); -static gint gtk_combo_list_enter (GtkWidget *widget, - GdkEventCrossing *event, - GtkCombo *combo); -static gint gtk_combo_list_key_press (GtkWidget *widget, - GdkEventKey *event, - GtkCombo *combo); -static gint gtk_combo_entry_key_press (GtkEntry *widget, - GdkEventKey *event, - GtkCombo *combo); -static gint gtk_combo_window_key_press (GtkWidget *window, - GdkEventKey *event, - GtkCombo *combo); -static void gtk_combo_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static void gtk_combo_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec); -static void gtk_combo_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec); - -G_DEFINE_TYPE (GtkCombo, gtk_combo, GTK_TYPE_HBOX) - -static void -gtk_combo_class_init (GtkComboClass * klass) -{ - GObjectClass *gobject_class; - GtkObjectClass *oclass; - GtkWidgetClass *widget_class; - - gobject_class = (GObjectClass *) klass; - oclass = (GtkObjectClass *) klass; - widget_class = (GtkWidgetClass *) klass; - - gobject_class->set_property = gtk_combo_set_property; - gobject_class->get_property = gtk_combo_get_property; - - g_object_class_install_property (gobject_class, - PROP_ENABLE_ARROW_KEYS, - g_param_spec_boolean ("enable-arrow-keys", - P_("Enable arrow keys"), - P_("Whether the arrow keys move through the list of items"), - TRUE, - GTK_PARAM_READWRITE)); - g_object_class_install_property (gobject_class, - PROP_ENABLE_ARROWS_ALWAYS, - g_param_spec_boolean ("enable-arrows-always", - P_("Always enable arrows"), - P_("Obsolete property, ignored"), - TRUE, - GTK_PARAM_READWRITE)); - g_object_class_install_property (gobject_class, - PROP_CASE_SENSITIVE, - g_param_spec_boolean ("case-sensitive", - P_("Case sensitive"), - P_("Whether list item matching is case sensitive"), - FALSE, - GTK_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, - PROP_ALLOW_EMPTY, - g_param_spec_boolean ("allow-empty", - P_("Allow empty"), - P_("Whether an empty value may be entered in this field"), - TRUE, - GTK_PARAM_READWRITE)); - - g_object_class_install_property (gobject_class, - PROP_VALUE_IN_LIST, - g_param_spec_boolean ("value-in-list", - P_("Value in list"), - P_("Whether entered values must already be present in the list"), - FALSE, - GTK_PARAM_READWRITE)); - - - oclass->destroy = gtk_combo_destroy; - - widget_class->size_allocate = gtk_combo_size_allocate; - widget_class->realize = gtk_combo_realize; - widget_class->unrealize = gtk_combo_unrealize; -} - -static void -gtk_combo_destroy (GtkObject *object) -{ - GtkCombo *combo = GTK_COMBO (object); - - if (combo->popwin) - { - gtk_widget_destroy (combo->popwin); - g_object_unref (combo->popwin); - combo->popwin = NULL; - } - - GTK_OBJECT_CLASS (gtk_combo_parent_class)->destroy (object); -} - -static int -gtk_combo_entry_key_press (GtkEntry * entry, GdkEventKey * event, GtkCombo * combo) -{ - GList *li; - guint state = event->state & gtk_accelerator_get_default_mod_mask (); - - /* completion */ - if ((event->keyval == GDK_Tab || event->keyval == GDK_KP_Tab) && - state == GDK_MOD1_MASK) - { - GtkEditable *editable = GTK_EDITABLE (entry); - GCompletion * cmpl; - gchar* prefix; - gchar* nprefix = NULL; - gint pos; - - if ( !GTK_LIST (combo->list)->children ) - return FALSE; - - cmpl = g_completion_new ((GCompletionFunc)gtk_combo_func); - g_completion_add_items (cmpl, GTK_LIST (combo->list)->children); - - pos = gtk_editable_get_position (editable); - prefix = gtk_editable_get_chars (editable, 0, pos); - - g_completion_complete_utf8 (cmpl, prefix, &nprefix); - - if (nprefix && strlen (nprefix) > strlen (prefix)) - { - gtk_editable_insert_text (editable, g_utf8_offset_to_pointer (nprefix, pos), - strlen (nprefix) - strlen (prefix), &pos); - gtk_editable_set_position (editable, pos); - } - - g_free (nprefix); - g_free (prefix); - g_completion_free (cmpl); - - return TRUE; - } - - if ((event->keyval == GDK_Down || event->keyval == GDK_KP_Down) && - state == GDK_MOD1_MASK) - { - gtk_combo_activate (NULL, combo); - return TRUE; - } - - if (!combo->use_arrows || !GTK_LIST (combo->list)->children) - return FALSE; - - gtk_combo_update_list (GTK_ENTRY (combo->entry), combo); - li = g_list_find (GTK_LIST (combo->list)->children, gtk_combo_find (combo)); - - if (((event->keyval == GDK_Up || event->keyval == GDK_KP_Up) && state == 0) || - ((event->keyval == 'p' || event->keyval == 'P') && state == GDK_MOD1_MASK)) - { - if (!li) - li = g_list_last (GTK_LIST (combo->list)->children); - else - li = li->prev; - - if (li) - { - gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data)); - gtk_combo_update_entry (combo); - } - - return TRUE; - } - if (((event->keyval == GDK_Down || event->keyval == GDK_KP_Down) && state == 0) || - ((event->keyval == 'n' || event->keyval == 'N') && state == GDK_MOD1_MASK)) - { - if (!li) - li = GTK_LIST (combo->list)->children; - else if (li) - li = li->next; - if (li) - { - gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data)); - gtk_combo_update_entry (combo); - } - - return TRUE; - } - return FALSE; -} - -static int -gtk_combo_window_key_press (GtkWidget *window, - GdkEventKey *event, - GtkCombo *combo) -{ - guint state = event->state & gtk_accelerator_get_default_mod_mask (); - - if ((event->keyval == GDK_Return || - event->keyval == GDK_ISO_Enter || - event->keyval == GDK_KP_Enter) && - state == 0) - { - gtk_combo_popdown_list (combo); - gtk_combo_update_entry (combo); - - return TRUE; - } - else if ((event->keyval == GDK_Up || event->keyval == GDK_KP_Up) && - state == GDK_MOD1_MASK) - { - gtk_combo_popdown_list (combo); - - return TRUE; - } - else if ((event->keyval == GDK_space || event->keyval == GDK_KP_Space) && - state == 0) - { - gtk_combo_update_entry (combo); - } - - return FALSE; -} - -static GtkListItem * -gtk_combo_find (GtkCombo * combo) -{ - const gchar *text; - GtkListItem *found = NULL; - gchar *ltext; - gchar *compare_text; - GList *clist; - - text = gtk_entry_get_text (GTK_ENTRY (combo->entry)); - if (combo->case_sensitive) - compare_text = (gchar *)text; - else - compare_text = g_utf8_casefold (text, -1); - - for (clist = GTK_LIST (combo->list)->children; - !found && clist; - clist = clist->next) - { - ltext = gtk_combo_func (GTK_LIST_ITEM (clist->data)); - if (!ltext) - continue; - - if (!combo->case_sensitive) - ltext = g_utf8_casefold (ltext, -1); - - if (strcmp (ltext, compare_text) == 0) - found = clist->data; - - if (!combo->case_sensitive) - g_free (ltext); - } - - if (!combo->case_sensitive) - g_free (compare_text); - - return found; -} - -static gchar * -gtk_combo_func (GtkListItem * li) -{ - GtkWidget *label; - gchar *ltext = NULL; - - ltext = g_object_get_data (G_OBJECT (li), I_(gtk_combo_string_key)); - if (!ltext) - { - label = GTK_BIN (li)->child; - if (!label || !GTK_IS_LABEL (label)) - return NULL; - ltext = (gchar *) gtk_label_get_text (GTK_LABEL (label)); - } - return ltext; -} - -static gint -gtk_combo_focus_idle (GtkCombo * combo) -{ - if (combo) - { - GDK_THREADS_ENTER (); - gtk_widget_grab_focus (combo->entry); - GDK_THREADS_LEAVE (); - } - return FALSE; -} - -static gint -gtk_combo_entry_focus_out (GtkEntry * entry, GdkEventFocus * event, GtkCombo * combo) -{ - - if (combo->value_in_list && !gtk_combo_find (combo)) - { - GSource *focus_idle; - - /* gdk_beep(); *//* this can be annoying */ - if (combo->ok_if_empty && !strcmp (gtk_entry_get_text (entry), "")) - return FALSE; -#ifdef TEST - printf ("INVALID ENTRY: `%s'\n", gtk_entry_get_text (entry)); -#endif - gtk_grab_add (GTK_WIDGET (combo)); - /* this is needed because if we call gtk_widget_grab_focus() - it isn't guaranteed it's the *last* call before the main-loop, - so the focus can be lost anyway... - the signal_stop_emission doesn't seem to work either... - */ - focus_idle = g_idle_source_new (); - g_source_set_closure (focus_idle, - g_cclosure_new_object (G_CALLBACK (gtk_combo_focus_idle), - G_OBJECT (combo))); - g_source_attach (focus_idle, NULL); - g_source_unref (focus_idle); - - /*g_signal_stop_emission_by_name (entry, "focus_out_event"); */ - return TRUE; - } - return FALSE; -} - -static void -gtk_combo_get_pos (GtkCombo * combo, gint * x, gint * y, gint * height, gint * width) -{ - GtkBin *popwin; - GtkWidget *widget; - GtkScrolledWindow *popup; - - gint real_height; - GtkRequisition list_requisition; - gboolean show_hscroll = FALSE; - gboolean show_vscroll = FALSE; - gint avail_height; - gint min_height; - gint alloc_width; - gint work_height; - gint old_height; - gint old_width; - gint scrollbar_spacing; - - widget = GTK_WIDGET (combo); - popup = GTK_SCROLLED_WINDOW (combo->popup); - popwin = GTK_BIN (combo->popwin); - - scrollbar_spacing = _gtk_scrolled_window_get_scrollbar_spacing (popup); - - gdk_window_get_origin (combo->entry->window, x, y); - if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) - *x -= widget->allocation.width - combo->entry->allocation.width; - real_height = MIN (combo->entry->requisition.height, - combo->entry->allocation.height); - *y += real_height; - avail_height = gdk_screen_get_height (gtk_widget_get_screen (widget)) - *y; - - gtk_widget_size_request (combo->list, &list_requisition); - min_height = MIN (list_requisition.height, - popup->vscrollbar->requisition.height); - if (!GTK_LIST (combo->list)->children) - list_requisition.height += EMPTY_LIST_HEIGHT; - - alloc_width = (widget->allocation.width - - 2 * popwin->child->style->xthickness - - 2 * GTK_CONTAINER (popwin->child)->border_width - - 2 * GTK_CONTAINER (combo->popup)->border_width - - 2 * GTK_CONTAINER (GTK_BIN (popup)->child)->border_width - - 2 * GTK_BIN (popup)->child->style->xthickness); - - work_height = (2 * popwin->child->style->ythickness + - 2 * GTK_CONTAINER (popwin->child)->border_width + - 2 * GTK_CONTAINER (combo->popup)->border_width + - 2 * GTK_CONTAINER (GTK_BIN (popup)->child)->border_width + - 2 * GTK_BIN (popup)->child->style->ythickness); - - do - { - old_width = alloc_width; - old_height = work_height; - - if (!show_hscroll && - alloc_width < list_requisition.width) - { - GtkRequisition requisition; - - gtk_widget_size_request (popup->hscrollbar, &requisition); - work_height += (requisition.height + scrollbar_spacing); - - show_hscroll = TRUE; - } - if (!show_vscroll && - work_height + list_requisition.height > avail_height) - { - GtkRequisition requisition; - - if (work_height + min_height > avail_height && - *y - real_height > avail_height) - { - *y -= (work_height + list_requisition.height + real_height); - break; - } - gtk_widget_size_request (popup->hscrollbar, &requisition); - alloc_width -= (requisition.width + scrollbar_spacing); - show_vscroll = TRUE; - } - } while (old_width != alloc_width || old_height != work_height); - - *width = widget->allocation.width; - if (show_vscroll) - *height = avail_height; - else - *height = work_height + list_requisition.height; - - if (*x < 0) - *x = 0; -} - -static void -gtk_combo_popup_list (GtkCombo *combo) -{ - GtkWidget *toplevel; - GtkList *list; - gint height, width, x, y; - gint old_width, old_height; - - old_width = combo->popwin->allocation.width; - old_height = combo->popwin->allocation.height; - - gtk_combo_get_pos (combo, &x, &y, &height, &width); - - /* workaround for gtk_scrolled_window_size_allocate bug */ - if (old_width != width || old_height != height) - { - gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar); - gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar); - } - - gtk_combo_update_list (GTK_ENTRY (combo->entry), combo); - - /* We need to make sure some child of combo->popwin - * is focused to disable GtkWindow's automatic - * "focus-the-first-item" code. If there is no selected - * child, we focus the list itself with some hackery. - */ - list = GTK_LIST (combo->list); - - if (list->selection) - { - gtk_widget_grab_focus (list->selection->data); - } - else - { - gtk_widget_set_can_focus (GTK_WIDGET (list), TRUE); - gtk_widget_grab_focus (combo->list); - GTK_LIST (combo->list)->last_focus_child = NULL; - gtk_widget_set_can_focus (GTK_WIDGET (list), FALSE); - } - - gtk_window_move (GTK_WINDOW (combo->popwin), x, y); - - toplevel = gtk_widget_get_toplevel (GTK_WIDGET (combo)); - - if (GTK_IS_WINDOW (toplevel)) - { - gtk_window_group_add_window (gtk_window_get_group (GTK_WINDOW (toplevel)), - GTK_WINDOW (combo->popwin)); - gtk_window_set_transient_for (GTK_WINDOW (combo->popwin), GTK_WINDOW (toplevel)); - } - - gtk_widget_set_size_request (combo->popwin, width, height); - gtk_widget_show (combo->popwin); - - gtk_widget_grab_focus (combo->popwin); -} - -static void -gtk_combo_popdown_list (GtkCombo *combo) -{ - combo->current_button = 0; - - if (GTK_BUTTON (combo->button)->in_button) - { - GTK_BUTTON (combo->button)->in_button = FALSE; - g_signal_emit_by_name (combo->button, "released"); - } - - if (GTK_WIDGET_HAS_GRAB (combo->popwin)) - { - gtk_grab_remove (combo->popwin); - gdk_display_pointer_ungrab (gtk_widget_get_display (GTK_WIDGET (combo)), - gtk_get_current_event_time ()); - gdk_display_keyboard_ungrab (gtk_widget_get_display (GTK_WIDGET (combo)), - gtk_get_current_event_time ()); - } - - gtk_widget_hide (combo->popwin); - - gtk_window_group_add_window (gtk_window_get_group (NULL), GTK_WINDOW (combo->popwin)); -} - -static gboolean -popup_grab_on_window (GdkWindow *window, - guint32 activate_time) -{ - if ((gdk_pointer_grab (window, TRUE, - GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | - GDK_POINTER_MOTION_MASK, - NULL, NULL, activate_time) == 0)) - { - if (gdk_keyboard_grab (window, TRUE, - activate_time) == 0) - return TRUE; - else - { - gdk_display_pointer_ungrab (gdk_drawable_get_display (window), - activate_time); - return FALSE; - } - } - - return FALSE; -} - -static void -gtk_combo_activate (GtkWidget *widget, - GtkCombo *combo) -{ - if (!combo->button->window || - !popup_grab_on_window (combo->button->window, - gtk_get_current_event_time ())) - return; - - gtk_combo_popup_list (combo); - - /* This must succeed since we already have the grab */ - popup_grab_on_window (combo->popwin->window, - gtk_get_current_event_time ()); - - if (!gtk_widget_has_focus (combo->entry)) - gtk_widget_grab_focus (combo->entry); - - gtk_grab_add (combo->popwin); -} - -static gboolean -gtk_combo_popup_button_press (GtkWidget *button, - GdkEventButton *event, - GtkCombo *combo) -{ - if (!gtk_widget_has_focus (combo->entry)) - gtk_widget_grab_focus (combo->entry); - - if (event->button != 1) - return FALSE; - - if (!popup_grab_on_window (combo->button->window, - gtk_get_current_event_time ())) - return FALSE; - - combo->current_button = event->button; - - gtk_combo_popup_list (combo); - - /* This must succeed since we already have the grab */ - popup_grab_on_window (combo->popwin->window, - gtk_get_current_event_time ()); - - g_signal_emit_by_name (button, "depressed"); - - gtk_grab_add (combo->popwin); - - return TRUE; -} - -static gboolean -gtk_combo_popup_button_leave (GtkWidget *button, - GdkEventCrossing *event, - GtkCombo *combo) -{ - /* The idea here is that we want to keep the button down if the - * popup is popped up. - */ - return combo->current_button != 0; -} - -static void -gtk_combo_update_entry (GtkCombo * combo) -{ - GtkList *list = GTK_LIST (combo->list); - char *text; - - g_signal_handler_block (list, combo->list_change_id); - if (list->selection) - { - text = gtk_combo_func (GTK_LIST_ITEM (list->selection->data)); - if (!text) - text = ""; - gtk_entry_set_text (GTK_ENTRY (combo->entry), text); - } - g_signal_handler_unblock (list, combo->list_change_id); -} - -static void -gtk_combo_selection_changed (GtkList *list, - GtkCombo *combo) -{ - if (!gtk_widget_get_visible (combo->popwin)) - gtk_combo_update_entry (combo); -} - -static void -gtk_combo_update_list (GtkEntry * entry, GtkCombo * combo) -{ - GtkList *list = GTK_LIST (combo->list); - GList *slist = list->selection; - GtkListItem *li; - - gtk_grab_remove (GTK_WIDGET (combo)); - - g_signal_handler_block (entry, combo->entry_change_id); - if (slist && slist->data) - gtk_list_unselect_child (list, GTK_WIDGET (slist->data)); - li = gtk_combo_find (combo); - if (li) - gtk_list_select_child (list, GTK_WIDGET (li)); - g_signal_handler_unblock (entry, combo->entry_change_id); -} - -static gint -gtk_combo_button_press (GtkWidget * widget, GdkEvent * event, GtkCombo * combo) -{ - GtkWidget *child; - - child = gtk_get_event_widget (event); - - /* We don't ask for button press events on the grab widget, so - * if an event is reported directly to the grab widget, it must - * be on a window outside the application (and thus we remove - * the popup window). Otherwise, we check if the widget is a child - * of the grab widget, and only remove the popup window if it - * is not. - */ - if (child != widget) - { - while (child) - { - if (child == widget) - return FALSE; - child = child->parent; - } - } - - gtk_combo_popdown_list (combo); - - return TRUE; -} - -static gboolean -is_within (GtkWidget *widget, - GtkWidget *ancestor) -{ - return widget == ancestor || gtk_widget_is_ancestor (widget, ancestor); -} - -static void -gtk_combo_button_event_after (GtkWidget *widget, - GdkEvent *event, - GtkCombo *combo) -{ - GtkWidget *child; - - if (event->type != GDK_BUTTON_RELEASE) - return; - - child = gtk_get_event_widget ((GdkEvent*) event); - - if ((combo->current_button != 0) && (event->button.button == 1)) - { - /* This was the initial button press */ - - combo->current_button = 0; - - /* Check to see if we released inside the button */ - if (child && is_within (child, combo->button)) - { - gtk_grab_add (combo->popwin); - gdk_pointer_grab (combo->popwin->window, TRUE, - GDK_BUTTON_PRESS_MASK | - GDK_BUTTON_RELEASE_MASK | - GDK_POINTER_MOTION_MASK, - NULL, NULL, GDK_CURRENT_TIME); - return; - } - } - - if (is_within (child, combo->list)) - gtk_combo_update_entry (combo); - - gtk_combo_popdown_list (combo); - -} - -static void -find_child_foreach (GtkWidget *widget, - gpointer data) -{ - GdkEventButton *event = data; - - if (!event->window) - { - if (event->x >= widget->allocation.x && - event->x < widget->allocation.x + widget->allocation.width && - event->y >= widget->allocation.y && - event->y < widget->allocation.y + widget->allocation.height) - event->window = g_object_ref (widget->window); - } -} - -static void -find_child_window (GtkContainer *container, - GdkEventButton *event) -{ - gtk_container_foreach (container, find_child_foreach, event); -} - -static gint -gtk_combo_list_enter (GtkWidget *widget, - GdkEventCrossing *event, - GtkCombo *combo) -{ - GtkWidget *event_widget; - - event_widget = gtk_get_event_widget ((GdkEvent*) event); - - if ((event_widget == combo->list) && - (combo->current_button != 0) && - (!GTK_WIDGET_HAS_GRAB (combo->list))) - { - GdkEvent *tmp_event = gdk_event_new (GDK_BUTTON_PRESS); - gint x, y; - GdkModifierType mask; - - gtk_grab_remove (combo->popwin); - - /* Transfer the grab over to the list by synthesizing - * a button press event - */ - gdk_window_get_pointer (combo->list->window, &x, &y, &mask); - - tmp_event->button.send_event = TRUE; - tmp_event->button.time = GDK_CURRENT_TIME; /* bad */ - tmp_event->button.x = x; - tmp_event->button.y = y; - /* We leave all the XInput fields unfilled here, in the expectation - * that GtkList doesn't care. - */ - tmp_event->button.button = combo->current_button; - tmp_event->button.state = mask; - - find_child_window (GTK_CONTAINER (combo->list), &tmp_event->button); - if (!tmp_event->button.window) - { - GtkWidget *child; - - if (GTK_LIST (combo->list)->children) - child = GTK_LIST (combo->list)->children->data; - else - child = combo->list; - - tmp_event->button.window = g_object_ref (child->window); - } - - gtk_widget_event (combo->list, tmp_event); - gdk_event_free (tmp_event); - } - - return FALSE; -} - -static int -gtk_combo_list_key_press (GtkWidget * widget, GdkEventKey * event, GtkCombo * combo) -{ - guint state = event->state & gtk_accelerator_get_default_mod_mask (); - - if (event->keyval == GDK_Escape && state == 0) - { - if (GTK_WIDGET_HAS_GRAB (combo->list)) - gtk_list_end_drag_selection (GTK_LIST (combo->list)); - - gtk_combo_popdown_list (combo); - - return TRUE; - } - return FALSE; -} - -static void -combo_event_box_realize (GtkWidget *widget) -{ - GdkCursor *cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget), - GDK_TOP_LEFT_ARROW); - gdk_window_set_cursor (widget->window, cursor); - gdk_cursor_unref (cursor); -} - -static void -gtk_combo_init (GtkCombo * combo) -{ - GtkWidget *arrow; - GtkWidget *frame; - GtkWidget *event_box; - - combo->case_sensitive = FALSE; - combo->value_in_list = FALSE; - combo->ok_if_empty = TRUE; - combo->use_arrows = TRUE; - combo->use_arrows_always = TRUE; - combo->entry = gtk_entry_new (); - combo->button = gtk_button_new (); - combo->current_button = 0; - arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT); - gtk_widget_show (arrow); - gtk_container_add (GTK_CONTAINER (combo->button), arrow); - gtk_box_pack_start (GTK_BOX (combo), combo->entry, TRUE, TRUE, 0); - gtk_box_pack_end (GTK_BOX (combo), combo->button, FALSE, FALSE, 0); - gtk_widget_set_can_focus (combo->button, FALSE); - gtk_widget_show (combo->entry); - gtk_widget_show (combo->button); - combo->entry_change_id = g_signal_connect (combo->entry, "changed", - G_CALLBACK (gtk_combo_update_list), - combo); - g_signal_connect_after (combo->entry, "key-press-event", - G_CALLBACK (gtk_combo_entry_key_press), combo); - g_signal_connect_after (combo->entry, "focus-out-event", - G_CALLBACK (gtk_combo_entry_focus_out), combo); - combo->activate_id = g_signal_connect (combo->entry, "activate", - G_CALLBACK (gtk_combo_activate), - combo); - g_signal_connect (combo->button, "button-press-event", - G_CALLBACK (gtk_combo_popup_button_press), combo); - g_signal_connect (combo->button, "leave-notify-event", - G_CALLBACK (gtk_combo_popup_button_leave), combo); - - combo->popwin = gtk_window_new (GTK_WINDOW_POPUP); - gtk_widget_set_name (combo->popwin, "gtk-combo-popup-window"); - gtk_window_set_type_hint (GTK_WINDOW (combo->popwin), GDK_WINDOW_TYPE_HINT_COMBO); - g_object_ref (combo->popwin); - gtk_window_set_resizable (GTK_WINDOW (combo->popwin), FALSE); - - g_signal_connect (combo->popwin, "key-press-event", - G_CALLBACK (gtk_combo_window_key_press), combo); - - gtk_widget_set_events (combo->popwin, GDK_KEY_PRESS_MASK); - - event_box = gtk_event_box_new (); - gtk_container_add (GTK_CONTAINER (combo->popwin), event_box); - g_signal_connect (event_box, "realize", - G_CALLBACK (combo_event_box_realize), NULL); - gtk_widget_show (event_box); - - - frame = gtk_frame_new (NULL); - gtk_container_add (GTK_CONTAINER (event_box), frame); - gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT); - gtk_widget_show (frame); - - combo->popup = gtk_scrolled_window_new (NULL, NULL); - gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (combo->popup), - GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); - gtk_widget_set_can_focus (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar, FALSE); - gtk_widget_set_can_focus (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar, FALSE); - gtk_container_add (GTK_CONTAINER (frame), combo->popup); - gtk_widget_show (combo->popup); - - combo->list = gtk_list_new (); - /* We'll use enter notify events to figure out when to transfer - * the grab to the list - */ - gtk_widget_set_events (combo->list, GDK_ENTER_NOTIFY_MASK); - - gtk_list_set_selection_mode (GTK_LIST(combo->list), GTK_SELECTION_BROWSE); - gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (combo->popup), combo->list); - gtk_container_set_focus_vadjustment (GTK_CONTAINER (combo->list), - gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (combo->popup))); - gtk_container_set_focus_hadjustment (GTK_CONTAINER (combo->list), - gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (combo->popup))); - gtk_widget_show (combo->list); - - combo->list_change_id = g_signal_connect (combo->list, "selection-changed", - G_CALLBACK (gtk_combo_selection_changed), combo); - - g_signal_connect (combo->popwin, "key-press-event", - G_CALLBACK (gtk_combo_list_key_press), combo); - g_signal_connect (combo->popwin, "button-press-event", - G_CALLBACK (gtk_combo_button_press), combo); - - g_signal_connect (combo->popwin, "event-after", - G_CALLBACK (gtk_combo_button_event_after), combo); - g_signal_connect (combo->list, "event-after", - G_CALLBACK (gtk_combo_button_event_after), combo); - - g_signal_connect (combo->list, "enter-notify-event", - G_CALLBACK (gtk_combo_list_enter), combo); -} - -static void -gtk_combo_realize (GtkWidget *widget) -{ - GtkCombo *combo = GTK_COMBO (widget); - - gtk_window_set_screen (GTK_WINDOW (combo->popwin), - gtk_widget_get_screen (widget)); - - GTK_WIDGET_CLASS (gtk_combo_parent_class)->realize (widget); -} - -static void -gtk_combo_unrealize (GtkWidget *widget) -{ - GtkCombo *combo = GTK_COMBO (widget); - - gtk_combo_popdown_list (combo); - gtk_widget_unrealize (combo->popwin); - - GTK_WIDGET_CLASS (gtk_combo_parent_class)->unrealize (widget); -} - -GtkWidget* -gtk_combo_new (void) -{ - return g_object_new (GTK_TYPE_COMBO, NULL); -} - -void -gtk_combo_set_value_in_list (GtkCombo * combo, gboolean val, gboolean ok_if_empty) -{ - g_return_if_fail (GTK_IS_COMBO (combo)); - val = val != FALSE; - ok_if_empty = ok_if_empty != FALSE; - - g_object_freeze_notify (G_OBJECT (combo)); - if (combo->value_in_list != val) - { - combo->value_in_list = val; - g_object_notify (G_OBJECT (combo), "value-in-list"); - } - if (combo->ok_if_empty != ok_if_empty) - { - combo->ok_if_empty = ok_if_empty; - g_object_notify (G_OBJECT (combo), "allow-empty"); - } - g_object_thaw_notify (G_OBJECT (combo)); -} - -void -gtk_combo_set_case_sensitive (GtkCombo * combo, gboolean val) -{ - g_return_if_fail (GTK_IS_COMBO (combo)); - val = val != FALSE; - - if (combo->case_sensitive != val) - { - combo->case_sensitive = val; - g_object_notify (G_OBJECT (combo), "case-sensitive"); - } -} - -void -gtk_combo_set_use_arrows (GtkCombo * combo, gboolean val) -{ - g_return_if_fail (GTK_IS_COMBO (combo)); - val = val != FALSE; - - if (combo->use_arrows != val) - { - combo->use_arrows = val; - g_object_notify (G_OBJECT (combo), "enable-arrow-keys"); - } -} - -void -gtk_combo_set_use_arrows_always (GtkCombo * combo, gboolean val) -{ - g_return_if_fail (GTK_IS_COMBO (combo)); - val = val != FALSE; - - if (combo->use_arrows_always != val) - { - g_object_freeze_notify (G_OBJECT (combo)); - combo->use_arrows_always = val; - g_object_notify (G_OBJECT (combo), "enable-arrows-always"); - - if (combo->use_arrows != TRUE) - { - combo->use_arrows = TRUE; - g_object_notify (G_OBJECT (combo), "enable-arrow-keys"); - } - g_object_thaw_notify (G_OBJECT (combo)); - } -} - -void -gtk_combo_set_popdown_strings (GtkCombo *combo, - GList *strings) -{ - GList *list; - GtkWidget *li; - - g_return_if_fail (GTK_IS_COMBO (combo)); - - gtk_combo_popdown_list (combo); - - gtk_list_clear_items (GTK_LIST (combo->list), 0, -1); - list = strings; - while (list) - { - li = gtk_list_item_new_with_label ((gchar *) list->data); - gtk_widget_show (li); - gtk_container_add (GTK_CONTAINER (combo->list), li); - list = list->next; - } -} - -void -gtk_combo_set_item_string (GtkCombo *combo, - GtkItem *item, - const gchar *item_value) -{ - g_return_if_fail (GTK_IS_COMBO (combo)); - g_return_if_fail (item != NULL); - - g_object_set_data_full (G_OBJECT (item), I_(gtk_combo_string_key), - g_strdup (item_value), g_free); -} - -static void -gtk_combo_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - GtkCombo *combo = GTK_COMBO (widget); - - GTK_WIDGET_CLASS (gtk_combo_parent_class)->size_allocate (widget, allocation); - - if (combo->entry->allocation.height > combo->entry->requisition.height) - { - GtkAllocation button_allocation; - - button_allocation = combo->button->allocation; - button_allocation.height = combo->entry->requisition.height; - button_allocation.y = combo->entry->allocation.y + - (combo->entry->allocation.height - combo->entry->requisition.height) - / 2; - gtk_widget_size_allocate (combo->button, &button_allocation); - } -} - -void -gtk_combo_disable_activate (GtkCombo *combo) -{ - g_return_if_fail (GTK_IS_COMBO (combo)); - - if ( combo->activate_id ) { - g_signal_handler_disconnect (combo->entry, combo->activate_id); - combo->activate_id = 0; - } -} - -static void -gtk_combo_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - GtkCombo *combo = GTK_COMBO (object); - - switch (prop_id) - { - case PROP_ENABLE_ARROW_KEYS: - gtk_combo_set_use_arrows (combo, g_value_get_boolean (value)); - break; - case PROP_ENABLE_ARROWS_ALWAYS: - gtk_combo_set_use_arrows_always (combo, g_value_get_boolean (value)); - break; - case PROP_CASE_SENSITIVE: - gtk_combo_set_case_sensitive (combo, g_value_get_boolean (value)); - break; - case PROP_ALLOW_EMPTY: - combo->ok_if_empty = g_value_get_boolean (value); - break; - case PROP_VALUE_IN_LIST: - combo->value_in_list = g_value_get_boolean (value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } - -} - -static void -gtk_combo_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - GtkCombo *combo = GTK_COMBO (object); - - switch (prop_id) - { - case PROP_ENABLE_ARROW_KEYS: - g_value_set_boolean (value, combo->use_arrows); - break; - case PROP_ENABLE_ARROWS_ALWAYS: - g_value_set_boolean (value, combo->use_arrows_always); - break; - case PROP_CASE_SENSITIVE: - g_value_set_boolean (value, combo->case_sensitive); - break; - case PROP_ALLOW_EMPTY: - g_value_set_boolean (value, combo->ok_if_empty); - break; - case PROP_VALUE_IN_LIST: - g_value_set_boolean (value, combo->value_in_list); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } - -} - -#define __GTK_SMART_COMBO_C__ -#include "gtkaliasdef.c" |