177 lines
4.5 KiB
C
177 lines
4.5 KiB
C
/*
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* moomenutoolbutton.c
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*
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* Copyright (C) 2004-2005 by Yevgen Muntyan <muntyan@math.tamu.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* See COPYING file that comes with this distribution.
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*/
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#include "mooutils/moomenutoolbutton.h"
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#include <gtk/gtk.h>
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enum {
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PROP_0,
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PROP_MENU
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};
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// enum {
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// ACCEL_SET,
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// LAST_SIGNAL
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// };
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// static guint signals[LAST_SIGNAL] = {0};
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static void moo_menu_tool_button_class_init (MooMenuToolButtonClass *klass);
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static void moo_menu_tool_button_init (MooMenuToolButton *button);
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static void moo_menu_tool_button_destroy (GtkObject *object);
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static void moo_menu_tool_button_toggled (GtkToggleToolButton *button);
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G_DEFINE_TYPE(MooMenuToolButton, moo_menu_tool_button, GTK_TYPE_TOGGLE_TOOL_BUTTON)
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static void
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moo_menu_tool_button_class_init (MooMenuToolButtonClass *klass)
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{
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// GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GtkObjectClass *gtkobject_class = GTK_OBJECT_CLASS (klass);
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GtkToggleToolButtonClass *toggle_class = GTK_TOGGLE_TOOL_BUTTON_CLASS (klass);
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// GtkToolButtonClass *button_class = GTK_TOOL_BUTTON_CLASS (klass);
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// GtkToolItemClass *item_class = GTK_TOOL_ITEM_CLASS (klass);
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gtkobject_class->destroy = moo_menu_tool_button_destroy;
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toggle_class->toggled = moo_menu_tool_button_toggled;
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}
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static void
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moo_menu_tool_button_init (G_GNUC_UNUSED MooMenuToolButton *button)
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{
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}
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static void
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moo_menu_tool_button_destroy (GtkObject *object)
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{
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MooMenuToolButton *button = MOO_MENU_TOOL_BUTTON (object);
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if (button->menu)
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gtk_widget_destroy (button->menu);
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GTK_OBJECT_CLASS (moo_menu_tool_button_parent_class)->destroy (object);
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}
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GtkWidget*
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moo_menu_tool_button_new (void)
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{
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return g_object_new (MOO_TYPE_MENU_TOOL_BUTTON, NULL);
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}
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static void
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menu_position_func (G_GNUC_UNUSED GtkMenu *menu,
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int *x,
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int *y,
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gboolean *push_in,
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GtkWidget *button)
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{
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GtkRequisition req;
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gdk_window_get_origin (button->window, x, y);
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gtk_widget_size_request (button, &req);
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*x += button->allocation.x + button->allocation.width - req.width;
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*y += button->allocation.y + button->allocation.height;
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*push_in = TRUE;
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}
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static void
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moo_menu_tool_button_toggled (GtkToggleToolButton *button)
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{
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MooMenuToolButton *menu_button = MOO_MENU_TOOL_BUTTON (button);
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if (!gtk_toggle_tool_button_get_active (button))
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return;
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if (!menu_button->menu)
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return;
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gtk_menu_popup (GTK_MENU (menu_button->menu), NULL, NULL,
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(GtkMenuPositionFunc) menu_position_func,
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button, 0, gtk_get_current_event_time ());
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}
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static void
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menu_deactivated (GtkToggleToolButton *button)
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{
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gtk_toggle_tool_button_set_active (button, FALSE);
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}
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static void
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menu_destroyed (MooMenuToolButton *button)
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{
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if (button->menu)
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{
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GtkWidget *menu = button->menu;
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button->menu = NULL;
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g_object_unref (menu);
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}
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}
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void
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moo_menu_tool_button_set_menu (MooMenuToolButton *button,
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GtkWidget *menu)
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{
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g_return_if_fail (MOO_IS_MENU_TOOL_BUTTON (button));
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g_return_if_fail (!menu || GTK_IS_MENU (menu));
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if (button->menu == menu)
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return;
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if (button->menu)
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{
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g_signal_handlers_disconnect_by_func (button->menu,
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(gpointer) menu_deactivated,
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button);
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g_signal_handlers_disconnect_by_func (button->menu,
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(gpointer) menu_destroyed,
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button);
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g_object_unref (button->menu);
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}
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if (menu)
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{
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gtk_object_sink (g_object_ref (menu));
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g_signal_connect_swapped (menu, "deactivate",
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G_CALLBACK (menu_deactivated),
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button);
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g_signal_connect_swapped (menu, "destroy",
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G_CALLBACK (menu_destroyed),
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button);
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}
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button->menu = menu;
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}
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GtkWidget*
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moo_menu_tool_button_get_menu (MooMenuToolButton *button)
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{
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g_return_val_if_fail (MOO_IS_MENU_TOOL_BUTTON (button), NULL);
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return button->menu;
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}
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