diff options
Diffstat (limited to 'widgets/misc/gal-combo-box.c')
| -rw-r--r-- | widgets/misc/gal-combo-box.c | 834 |
1 files changed, 0 insertions, 834 deletions
diff --git a/widgets/misc/gal-combo-box.c b/widgets/misc/gal-combo-box.c deleted file mode 100644 index ad941a7133..0000000000 --- a/widgets/misc/gal-combo-box.c +++ /dev/null @@ -1,834 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * gtk-combo-box.c - a customizable combobox - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Miguel de Icaza (miguel@gnu.org) - * Adrian E Feiguin (feiguin@ifir.edu.ar) - * Paolo Molnaro (lupus@debian.org). - * Jon K Hellan (hellan@acm.org) - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * 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 <config.h> -#include <gtk/gtkhbox.h> -#include <gtk/gtktogglebutton.h> -#include <gtk/gtkarrow.h> -#include <gtk/gtkeventbox.h> -#include <gtk/gtkmain.h> -#include <gtk/gtksignal.h> -#include <gtk/gtkwindow.h> -#include <gtk/gtkframe.h> -#include <gtk/gtkvbox.h> -#include <gtk/gtktearoffmenuitem.h> -#include <gdk/gdkkeysyms.h> -#include "gal-combo-box.h" -#include "gal/util/e-util.h" - -#define PARENT_TYPE GTK_TYPE_HBOX -static GObjectClass *gal_combo_box_parent_class; - -static int gtk_combo_toggle_pressed (GtkToggleButton *tbutton, - GalComboBox *combo_box); -static void gtk_combo_popup_tear_off (GalComboBox *combo, - gboolean set_position); -static void gtk_combo_set_tearoff_state (GalComboBox *combo, - gboolean torn_off); -static void gtk_combo_popup_reparent (GtkWidget *popup, GtkWidget *new_parent, - gboolean unrealize); -static gboolean cb_popup_delete (GtkWidget *w, GdkEventAny *event, - GalComboBox *combo); -static void gtk_combo_tearoff_bg_copy (GalComboBox *combo); - -enum { - POP_DOWN_WIDGET, - POP_DOWN_DONE, - PRE_POP_DOWN, - POST_POP_HIDE, - LAST_SIGNAL -}; - -static guint gal_combo_box_signals [LAST_SIGNAL] = { 0, }; - -struct _GalComboBoxPrivate { - GtkWidget *pop_down_widget; - GtkWidget *display_widget; - - /* - * Internal widgets used to implement the ComboBox - */ - GtkWidget *frame; - GtkWidget *arrow_button; - - GtkWidget *toplevel; /* Popup's toplevel when not torn off */ - GtkWidget *tearoff_window; /* Popup's toplevel when torn off */ - guint torn_off; - - GtkWidget *tearable; /* The tearoff "button" */ - GtkWidget *popup; /* Popup */ - - /* - * Closure for invoking the callbacks above - */ - void *closure; -}; - -static void -gal_combo_box_finalize (GObject *object) -{ - GalComboBox *combo_box = GAL_COMBO_BOX (object); - - g_free (combo_box->priv); - - gal_combo_box_parent_class->finalize (object); -} - -static void -gal_combo_box_destroy (GtkObject *object) -{ - GtkObjectClass *klass = (GtkObjectClass *)gal_combo_box_parent_class; - GalComboBox *combo_box = GAL_COMBO_BOX (object); - - if (combo_box->priv->toplevel) { - gtk_object_destroy (GTK_OBJECT (combo_box->priv->toplevel)); - combo_box->priv->toplevel = NULL; - } - - if (combo_box->priv->tearoff_window) { - gtk_object_destroy (GTK_OBJECT (combo_box->priv->tearoff_window)); - combo_box->priv->tearoff_window = NULL; - } - - if (klass->destroy) - klass->destroy (object); -} - -static gboolean -gal_combo_box_mnemonic_activate (GtkWidget *w, gboolean group_cycling) -{ - GalComboBox *combo_box = GAL_COMBO_BOX (w); - gtk_toggle_button_set_active ( - GTK_TOGGLE_BUTTON (combo_box->priv->arrow_button), TRUE); - return TRUE; -} - -static void -gal_combo_box_class_init (GObjectClass *object_class) -{ - GtkWidgetClass *widget_class = (GtkWidgetClass *)object_class; - gal_combo_box_parent_class = g_type_class_peek_parent (object_class); - - object_class->finalize = gal_combo_box_finalize; - widget_class->mnemonic_activate = gal_combo_box_mnemonic_activate; - ((GtkObjectClass *)object_class)->destroy = gal_combo_box_destroy; - - gal_combo_box_signals [POP_DOWN_WIDGET] = g_signal_new ( - "pop_down_widget", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalComboBoxClass, pop_down_widget), - NULL, NULL, - e_marshal_POINTER__NONE, - G_TYPE_POINTER, 0, G_TYPE_NONE); - - gal_combo_box_signals [POP_DOWN_DONE] = g_signal_new ( - "pop_down_done", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalComboBoxClass, pop_down_done), - NULL, NULL, - e_marshal_BOOLEAN__OBJECT, - G_TYPE_BOOLEAN, 1, G_TYPE_OBJECT); - - gal_combo_box_signals [PRE_POP_DOWN] = g_signal_new ( - "pre_pop_down", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalComboBoxClass, pre_pop_down), - NULL, NULL, - e_marshal_NONE__NONE, - G_TYPE_NONE, 0); - - gal_combo_box_signals [POST_POP_HIDE] = g_signal_new ( - "post_pop_hide", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalComboBoxClass, post_pop_hide), - NULL, NULL, - e_marshal_NONE__NONE, - G_TYPE_NONE, 0); -} - -static void -deactivate_arrow (GalComboBox *combo_box) -{ - GtkToggleButton *arrow; - - arrow = GTK_TOGGLE_BUTTON (combo_box->priv->arrow_button); - g_signal_handlers_block_matched (arrow, - G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA, - 0, 0, NULL, - gtk_combo_toggle_pressed, combo_box); - - gtk_toggle_button_set_active (arrow, FALSE); - - g_signal_handlers_unblock_matched (arrow, - G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA, - 0, 0, NULL, - gtk_combo_toggle_pressed, combo_box); -} - -/** - * gal_combo_box_popup_hide_unconditional - * @combo_box: Combo box - * - * Hide popup, whether or not it is torn off. - */ -static void -gal_combo_box_popup_hide_unconditional (GalComboBox *combo_box) -{ - gboolean popup_info_destroyed = FALSE; - - g_return_if_fail (combo_box != NULL); - g_return_if_fail (GAL_IS_COMBO_BOX (combo_box)); - - gtk_widget_hide (combo_box->priv->toplevel); - gtk_widget_hide (combo_box->priv->popup); - if (combo_box->priv->torn_off) { - GTK_TEAROFF_MENU_ITEM (combo_box->priv->tearable)->torn_off - = FALSE; - gtk_combo_set_tearoff_state (combo_box, FALSE); - } - - gtk_grab_remove (combo_box->priv->toplevel); - gdk_pointer_ungrab (GDK_CURRENT_TIME); - - g_object_ref (combo_box->priv->pop_down_widget); - g_signal_emit (combo_box, - gal_combo_box_signals [POP_DOWN_DONE], 0, - combo_box->priv->pop_down_widget, &popup_info_destroyed); - - if (popup_info_destroyed){ - gtk_container_remove ( - GTK_CONTAINER (combo_box->priv->frame), - combo_box->priv->pop_down_widget); - combo_box->priv->pop_down_widget = NULL; - } - g_object_unref (combo_box->priv->pop_down_widget); - deactivate_arrow (combo_box); - - g_signal_emit (combo_box, gal_combo_box_signals [POST_POP_HIDE], 0); -} - -/** - * gal_combo_box_popup_hide: - * @combo_box: Combo box - * - * Hide popup, but not when it is torn off. - * This is the external interface - for subclasses and apps which expect a - * regular combo which doesn't do tearoffs. - */ -void -gal_combo_box_popup_hide (GalComboBox *combo_box) -{ - if (!combo_box->priv->torn_off) - gal_combo_box_popup_hide_unconditional (combo_box); - else if (GTK_WIDGET_VISIBLE (combo_box->priv->toplevel)) { - /* Both popup and tearoff window present. Get rid of just - the popup shell. */ - gtk_combo_popup_tear_off (combo_box, FALSE); - deactivate_arrow (combo_box); - } -} - -/* - * Find best location for displaying - */ -void -gal_combo_box_get_pos (GalComboBox *combo_box, int *x, int *y) -{ - GtkWidget *wcombo = GTK_WIDGET (combo_box); - int ph, pw; - - gdk_window_get_origin (wcombo->window, x, y); - *y += wcombo->allocation.height + wcombo->allocation.y; - *x += wcombo->allocation.x; - - ph = combo_box->priv->popup->allocation.height; - pw = combo_box->priv->popup->allocation.width; - - if ((*y + ph) > gdk_screen_height ()) - *y = gdk_screen_height () - ph; - - if ((*x + pw) > gdk_screen_width ()) - *x = gdk_screen_width () - pw; -} - -static void -gal_combo_box_popup_display (GalComboBox *combo_box) -{ - int x, y; - - g_return_if_fail (combo_box != NULL); - g_return_if_fail (GAL_IS_COMBO_BOX (combo_box)); - - /* - * If we have no widget to display on the popdown, - * create it - */ - if (!combo_box->priv->pop_down_widget){ - GtkWidget *pw = NULL; - - g_signal_emit (combo_box, - gal_combo_box_signals [POP_DOWN_WIDGET], 0, &pw); - g_assert (pw != NULL); - combo_box->priv->pop_down_widget = pw; - gtk_container_add (GTK_CONTAINER (combo_box->priv->frame), pw); - } - - g_signal_emit (combo_box, gal_combo_box_signals [PRE_POP_DOWN], 0); - - if (combo_box->priv->torn_off) { - /* To give the illusion that tearoff still displays the - * popup, we copy the image in the popup window to the - * background. Thus, it won't be blank after reparenting */ - gtk_combo_tearoff_bg_copy (combo_box); - - /* We force an unrealize here so that we don't trigger - * redrawing/ clearing code - we just want to reveal our - * backing pixmap. - */ - gtk_combo_popup_reparent (combo_box->priv->popup, - combo_box->priv->toplevel, TRUE); - } - - gal_combo_box_get_pos (combo_box, &x, &y); - - gtk_widget_set_uposition (combo_box->priv->toplevel, x, y); - gtk_widget_realize (combo_box->priv->popup); - gtk_widget_show (combo_box->priv->popup); - gtk_widget_realize (combo_box->priv->toplevel); - gtk_widget_show (combo_box->priv->toplevel); - - gtk_grab_add (combo_box->priv->toplevel); - gdk_pointer_grab (combo_box->priv->toplevel->window, TRUE, - GDK_BUTTON_PRESS_MASK | - GDK_BUTTON_RELEASE_MASK | - GDK_POINTER_MOTION_MASK, - NULL, NULL, GDK_CURRENT_TIME); -} - -static int -gtk_combo_toggle_pressed (GtkToggleButton *tbutton, GalComboBox *combo_box) -{ - if (tbutton->active) - gal_combo_box_popup_display (combo_box); - else - gal_combo_box_popup_hide_unconditional (combo_box); - - return TRUE; -} - -static gint -gal_combo_box_button_press (GtkWidget *widget, GdkEventButton *event, GalComboBox *combo_box) -{ - GtkWidget *child; - - child = gtk_get_event_widget ((GdkEvent *) event); - if (child != widget){ - while (child){ - if (child == widget) - return FALSE; - child = child->parent; - } - } - - gal_combo_box_popup_hide (combo_box); - return TRUE; -} - -/** - * gal_combo_box_key_press - * @widget: Widget - * @event: Event - * @combo_box: Combo box - * - * Key press handler which dismisses popup on escape. - * Popup is dismissed whether or not popup is torn off. - */ -static gint -gal_combo_box_key_press (GtkWidget *widget, GdkEventKey *event, - GalComboBox *combo_box) -{ - if (event->keyval == GDK_Escape) { - gal_combo_box_popup_hide_unconditional (combo_box); - return TRUE; - } else - return FALSE; -} - -static void -cb_state_change (GtkWidget *widget, GtkStateType old_state, GalComboBox *combo_box) -{ - GtkStateType const new_state = GTK_WIDGET_STATE(widget); - gtk_widget_set_state (combo_box->priv->display_widget, new_state); -} - -static void -gal_combo_box_init (GalComboBox *combo_box) -{ - GtkWidget *arrow; - GdkCursor *cursor; - - combo_box->priv = g_new0 (GalComboBoxPrivate, 1); - - /* - * Create the arrow - */ - combo_box->priv->arrow_button = gtk_toggle_button_new (); - gtk_button_set_relief (GTK_BUTTON (combo_box->priv->arrow_button), GTK_RELIEF_NONE); - GTK_WIDGET_UNSET_FLAGS (combo_box->priv->arrow_button, GTK_CAN_FOCUS); - - arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); - gtk_container_add (GTK_CONTAINER (combo_box->priv->arrow_button), arrow); - gtk_box_pack_end (GTK_BOX (combo_box), combo_box->priv->arrow_button, FALSE, FALSE, 0); - g_signal_connect (combo_box->priv->arrow_button, "toggled", - G_CALLBACK (gtk_combo_toggle_pressed), combo_box); - gtk_widget_show_all (combo_box->priv->arrow_button); - - /* - * prelight the display widget when mousing over the arrow. - */ - g_signal_connect (combo_box->priv->arrow_button, "state-changed", - G_CALLBACK (cb_state_change), combo_box); - - /* - * The pop-down container - */ - - combo_box->priv->toplevel = gtk_window_new (GTK_WINDOW_POPUP); - gtk_widget_ref (combo_box->priv->toplevel); - gtk_object_sink (GTK_OBJECT (combo_box->priv->toplevel)); - gtk_window_set_policy (GTK_WINDOW (combo_box->priv->toplevel), - FALSE, TRUE, FALSE); - - combo_box->priv->popup = gtk_event_box_new (); - gtk_container_add (GTK_CONTAINER (combo_box->priv->toplevel), - combo_box->priv->popup); - gtk_widget_show (combo_box->priv->popup); - - gtk_widget_realize (combo_box->priv->popup); - cursor = gdk_cursor_new (GDK_TOP_LEFT_ARROW); - gdk_window_set_cursor (combo_box->priv->popup->window, cursor); - gdk_cursor_destroy (cursor); - - combo_box->priv->torn_off = FALSE; - combo_box->priv->tearoff_window = NULL; - - combo_box->priv->frame = gtk_frame_new (NULL); - gtk_container_add (GTK_CONTAINER (combo_box->priv->popup), - combo_box->priv->frame); - gtk_frame_set_shadow_type (GTK_FRAME (combo_box->priv->frame), GTK_SHADOW_OUT); - - g_signal_connect (combo_box->priv->toplevel, "button_press_event", - G_CALLBACK (gal_combo_box_button_press), combo_box); - g_signal_connect (combo_box->priv->toplevel, "key_press_event", - G_CALLBACK (gal_combo_box_key_press), combo_box); -} - -E_MAKE_TYPE (gal_combo_box, - "MyGalComboBox", - GalComboBox, - gal_combo_box_class_init, - gal_combo_box_init, - PARENT_TYPE) - -/** - * gal_combo_box_set_display: - * @combo_box: the Combo Box to modify - * @display_widget: The widget to be displayed - - * Sets the displayed widget for the @combo_box to be @display_widget - */ -void -gal_combo_box_set_display (GalComboBox *combo_box, GtkWidget *display_widget) -{ - g_return_if_fail (combo_box != NULL); - g_return_if_fail (GAL_IS_COMBO_BOX (combo_box)); - g_return_if_fail (display_widget != NULL); - g_return_if_fail (GTK_IS_WIDGET (display_widget)); - - if (combo_box->priv->display_widget && - combo_box->priv->display_widget != display_widget) - gtk_container_remove (GTK_CONTAINER (combo_box), - combo_box->priv->display_widget); - - combo_box->priv->display_widget = display_widget; - - gtk_box_pack_start (GTK_BOX (combo_box), display_widget, TRUE, TRUE, 0); -} - -static gboolean -cb_tearable_enter_leave (GtkWidget *w, GdkEventCrossing *event, gpointer data) -{ - gboolean const flag = GPOINTER_TO_INT(data); - gtk_widget_set_state (w, flag ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL); - return FALSE; -} - -/** - * gtk_combo_popup_tear_off - * @combo: Combo box - * @set_position: Set to position of popup shell if true - * - * Tear off the popup - * - * FIXME: - * Gtk popup menus are toplevel windows, not dialogs. I think this is wrong, - * and make the popups dialogs. But may be there should be a way to make - * them toplevel. We can do this after creating: - * GTK_WINDOW (tearoff)->type = GTK_WINDOW_TOPLEVEL; - */ -static void -gtk_combo_popup_tear_off (GalComboBox *combo, gboolean set_position) -{ - int x, y; - - if (!combo->priv->tearoff_window) { - GtkWidget *tearoff; - gchar *title; - - /* FIXME: made this a toplevel, not a dialog ! */ - tearoff = gtk_window_new (GTK_WINDOW_TOPLEVEL); - gtk_widget_ref (tearoff); - gtk_object_sink (GTK_OBJECT (tearoff)); - combo->priv->tearoff_window = tearoff; - gtk_widget_set_app_paintable (tearoff, TRUE); - g_signal_connect (tearoff, "key_press_event", - G_CALLBACK (gal_combo_box_key_press), - combo); - gtk_widget_realize (tearoff); - title = g_object_get_data (G_OBJECT (combo), - "gtk-combo-title"); - if (title) - gdk_window_set_title (tearoff->window, title); - gtk_window_set_policy (GTK_WINDOW (tearoff), - FALSE, TRUE, FALSE); - gtk_window_set_transient_for - (GTK_WINDOW (tearoff), - GTK_WINDOW (gtk_widget_get_toplevel - GTK_WIDGET (combo))); - } - - if (GTK_WIDGET_VISIBLE (combo->priv->popup)) { - gtk_widget_hide (combo->priv->toplevel); - - gtk_grab_remove (combo->priv->toplevel); - gdk_pointer_ungrab (GDK_CURRENT_TIME); - } - - gtk_combo_popup_reparent (combo->priv->popup, - combo->priv->tearoff_window, FALSE); - - /* It may have got confused about size */ - gtk_widget_queue_resize (GTK_WIDGET (combo->priv->popup)); - - if (set_position) { - gal_combo_box_get_pos (combo, &x, &y); - gtk_widget_set_uposition (combo->priv->tearoff_window, x, y); - } - gtk_widget_show (GTK_WIDGET (combo->priv->popup)); - gtk_widget_show (combo->priv->tearoff_window); - -} - -/** - * gtk_combo_set_tearoff_state - * @combo_box: Combo box - * @torn_off: TRUE: Tear off. FALSE: Pop down and reattach - * - * Set the tearoff state of the popup - * - * Compare with gtk_menu_set_tearoff_state in gtk/gtkmenu.c - */ -static void -gtk_combo_set_tearoff_state (GalComboBox *combo, - gboolean torn_off) -{ - g_return_if_fail (combo != NULL); - g_return_if_fail (GAL_IS_COMBO_BOX (combo)); - - if (combo->priv->torn_off != torn_off) { - combo->priv->torn_off = torn_off; - - if (combo->priv->torn_off) { - gtk_combo_popup_tear_off (combo, TRUE); - deactivate_arrow (combo); - } else { - gtk_widget_hide (combo->priv->tearoff_window); - gtk_combo_popup_reparent (combo->priv->popup, - combo->priv->toplevel, - FALSE); - } - } -} - -/** - * gtk_combo_tearoff_bg_copy - * @combo_box: Combo box - * - * Copy popup window image to the tearoff window. - */ -static void -gtk_combo_tearoff_bg_copy (GalComboBox *combo) -{ - GdkPixmap *pixmap; - GdkGC *gc; - GdkGCValues gc_values; - - GtkWidget *widget = combo->priv->popup; - - if (combo->priv->torn_off) { - gc_values.subwindow_mode = GDK_INCLUDE_INFERIORS; - gc = gdk_gc_new_with_values (widget->window, - &gc_values, GDK_GC_SUBWINDOW); - - pixmap = gdk_pixmap_new (widget->window, - widget->allocation.width, - widget->allocation.height, - -1); - - gdk_draw_pixmap (pixmap, gc, - widget->window, - 0, 0, 0, 0, -1, -1); - gdk_gc_unref (gc); - - gtk_widget_set_usize (combo->priv->tearoff_window, - widget->allocation.width, - widget->allocation.height); - - gdk_window_set_back_pixmap - (combo->priv->tearoff_window->window, pixmap, FALSE); - gdk_pixmap_unref (pixmap); - } -} - -/** - * gtk_combo_popup_reparent - * @popup: Popup - * @new_parent: New parent - * @unrealize: Unrealize popup if TRUE. - * - * Reparent the popup, taking care of the refcounting - * - * Compare with gtk_menu_reparent in gtk/gtkmenu.c - */ -static void -gtk_combo_popup_reparent (GtkWidget *popup, - GtkWidget *new_parent, - gboolean unrealize) -{ - GtkObject *object = GTK_OBJECT (popup); - gboolean was_floating = GTK_OBJECT_FLOATING (object); - - g_object_ref (object); - gtk_object_sink (object); - - if (unrealize) { - g_object_ref (object); - gtk_container_remove (GTK_CONTAINER (popup->parent), popup); - gtk_container_add (GTK_CONTAINER (new_parent), popup); - g_object_unref (object); - } - else - gtk_widget_reparent (GTK_WIDGET (popup), new_parent); - gtk_widget_set_usize (new_parent, -1, -1); - - if (was_floating) - GTK_OBJECT_SET_FLAGS (object, GTK_FLOATING); - else - g_object_unref (object); -} - -/** - * cb_tearable_button_release - * @w: Widget - * @event: Event - * @combo: Combo box - * - * Toggle tearoff state. - */ -static gboolean -cb_tearable_button_release (GtkWidget *w, GdkEventButton *event, - GalComboBox *combo) -{ - GtkTearoffMenuItem *tearable; - - g_return_val_if_fail (w != NULL, FALSE); - g_return_val_if_fail (GTK_IS_TEAROFF_MENU_ITEM (w), FALSE); - - tearable = GTK_TEAROFF_MENU_ITEM (w); - tearable->torn_off = !tearable->torn_off; - - if (!combo->priv->torn_off) { - gboolean need_connect; - - need_connect = (!combo->priv->tearoff_window); - gtk_combo_set_tearoff_state (combo, TRUE); - if (need_connect) - g_signal_connect (combo->priv->tearoff_window, - "delete_event", - G_CALLBACK (cb_popup_delete), - combo); - } else - gal_combo_box_popup_hide_unconditional (combo); - - return TRUE; -} - -static gboolean -cb_popup_delete (GtkWidget *w, GdkEventAny *event, GalComboBox *combo) -{ - gal_combo_box_popup_hide_unconditional (combo); - return TRUE; -} - -void -gal_combo_box_construct (GalComboBox *combo_box, GtkWidget *display_widget, GtkWidget *pop_down_widget) -{ - GtkWidget *tearable; - GtkWidget *vbox; - - g_return_if_fail (combo_box != NULL); - g_return_if_fail (GAL_IS_COMBO_BOX (combo_box)); - g_return_if_fail (display_widget != NULL); - g_return_if_fail (GTK_IS_WIDGET (display_widget)); - - GTK_BOX (combo_box)->spacing = 0; - GTK_BOX (combo_box)->homogeneous = FALSE; - - combo_box->priv->pop_down_widget = pop_down_widget; - combo_box->priv->display_widget = NULL; - - vbox = gtk_vbox_new (FALSE, 5); - tearable = gtk_tearoff_menu_item_new (); - g_signal_connect (tearable, "enter-notify-event", - G_CALLBACK (cb_tearable_enter_leave), - GINT_TO_POINTER (TRUE)); - g_signal_connect (tearable, "leave-notify-event", - G_CALLBACK (cb_tearable_enter_leave), - GINT_TO_POINTER (FALSE)); - g_signal_connect (tearable, "button-release-event", - G_CALLBACK (cb_tearable_button_release), - (gpointer) combo_box); - gtk_box_pack_start (GTK_BOX (vbox), tearable, FALSE, FALSE, 0); - gtk_box_pack_start (GTK_BOX (vbox), pop_down_widget, TRUE, TRUE, 0); - combo_box->priv->tearable = tearable; - - /* - * Finish setup - */ - gal_combo_box_set_display (combo_box, display_widget); - - gtk_container_add (GTK_CONTAINER (combo_box->priv->frame), vbox); - gtk_widget_show_all (combo_box->priv->frame); -} - -GtkWidget * -gal_combo_box_new (GtkWidget *display_widget, GtkWidget *optional_popdown) -{ - GalComboBox *combo_box; - - g_return_val_if_fail (display_widget != NULL, NULL); - g_return_val_if_fail (GTK_IS_WIDGET (display_widget), NULL); - - combo_box = g_object_new (GAL_COMBO_BOX_TYPE, NULL); - gal_combo_box_construct (combo_box, display_widget, optional_popdown); - return GTK_WIDGET (combo_box); -} - -void -gal_combo_box_set_arrow_relief (GalComboBox *cc, GtkReliefStyle relief) -{ - g_return_if_fail (cc != NULL); - g_return_if_fail (GAL_IS_COMBO_BOX (cc)); - - gtk_button_set_relief (GTK_BUTTON (cc->priv->arrow_button), relief); -} - -/** - * gal_combo_box_set_title - * @combo: Combo box - * @title: Title - * - * Set a title to display over the tearoff window. - * - * FIXME: - * - * This should really change the title even when the popup is already torn off. - * I guess the tearoff window could attach a listener to title change or - * something. But I don't think we need the functionality, so I didn't bother - * to investigate. - */ -void -gal_combo_box_set_title (GalComboBox *combo, - const gchar *title) -{ - g_return_if_fail (combo != NULL); - g_return_if_fail (GAL_IS_COMBO_BOX (combo)); - - g_object_set_data_full (G_OBJECT (combo), "gtk-combo-title", - g_strdup (title), (GDestroyNotify) g_free); -} - -/** - * gal_combo_box_set_arrow_sensitive - * @combo: Combo box - * @sensitive: Sensitivity value - * - * Toggle the sensitivity of the arrow button - */ - -void -gal_combo_box_set_arrow_sensitive (GalComboBox *combo, - gboolean sensitive) -{ - g_return_if_fail (combo != NULL); - - gtk_widget_set_sensitive (combo->priv->arrow_button, sensitive); -} - -/** - * gal_combo_box_set_tearable: - * @combo: Combo box - * @tearable: whether to allow the @combo to be tearable - * - * controls whether the combo box's pop up widget can be torn off. - */ -void -gal_combo_box_set_tearable (GalComboBox *combo, gboolean tearable) -{ - g_return_if_fail (combo != NULL); - g_return_if_fail (GAL_IS_COMBO_BOX (combo)); - - if (tearable){ - gtk_widget_show (combo->priv->tearable); - } else { - gtk_combo_set_tearoff_state (combo, FALSE); - gtk_widget_hide (combo->priv->tearable); - } -} |