diff options
Diffstat (limited to 'widgets/misc/e-dropdown-button.c')
| -rw-r--r-- | widgets/misc/e-dropdown-button.c | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/widgets/misc/e-dropdown-button.c b/widgets/misc/e-dropdown-button.c deleted file mode 100644 index 119aba8363..0000000000 --- a/widgets/misc/e-dropdown-button.c +++ /dev/null @@ -1,249 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* e-dropdown-menu.c - * - * Copyright (C) 2001 Ximian, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - * - * Authors: - * Ettore Perazzoli <ettore@ximian.com> - * Damon Chaplin <damon@ximian.com> - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "e-dropdown-button.h" - - -#include <stdio.h> -#include <gtk/gtkarrow.h> -#include <gtk/gtklabel.h> -#include <gtk/gtkwidget.h> -#include <libgnomeui/gnome-popup-menu.h> -#include <gal/util/e-util.h> - - -struct _EDropdownButtonPrivate { - GtkAccelGroup *accel_group; - GtkWidget *menu; -}; - -#define PARENT_TYPE gtk_toggle_button_get_type () -static GtkToggleButtonClass *parent_class = NULL; - - -/* Callback to position the pop-up menu. */ - -static void -menu_position_cb (GtkMenu *menu, - int *x, - int *y, - gboolean *push_in, - void *data) -{ - EDropdownButton *dropdown_button; - EDropdownButtonPrivate *priv; - GtkRequisition menu_requisition; - int max_x, max_y; - - dropdown_button = E_DROPDOWN_BUTTON (data); - priv = dropdown_button->priv; - - /* Calculate our preferred position. */ - gdk_window_get_origin (GTK_WIDGET (dropdown_button)->window, x, y); - *y += GTK_WIDGET (dropdown_button)->allocation.height; - - /* Now make sure we are on the screen. */ - gtk_widget_size_request (GTK_WIDGET (priv->menu), &menu_requisition); - max_x = MAX (0, gdk_screen_width () - menu_requisition.width); - max_y = MAX (0, gdk_screen_height () - menu_requisition.height); - - *x = CLAMP (*x, 0, max_x); - *y = CLAMP (*y, 0, max_y); -} - -/* Callback for the "deactivate" signal on the pop-up menu. This is used so - that we unset the state of the toggle button when the pop-up menu - disappears. */ - -static int -menu_deactivate_cb (GtkMenuShell *menu_shell, - void *data) -{ - EDropdownButton *dropdown_button; - - dropdown_button = E_DROPDOWN_BUTTON (data); - - gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dropdown_button), FALSE); - return TRUE; -} - - -/* GtkObject methods. */ - -static void -impl_destroy (GtkObject *object) -{ - EDropdownButton *dropdown_button; - EDropdownButtonPrivate *priv; - - dropdown_button = E_DROPDOWN_BUTTON (object); - priv = dropdown_button->priv; - - gtk_accel_group_unref (priv->accel_group); - gtk_widget_destroy (priv->menu); - - g_free (priv); - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - - -/* GtkWidget methods. */ - -static void -impl_toggled (GtkToggleButton *toggle_button) -{ - EDropdownButton *dropdown_button; - EDropdownButtonPrivate *priv; - - if (parent_class->toggled) - parent_class->toggled (toggle_button); - - dropdown_button = E_DROPDOWN_BUTTON (toggle_button); - priv = dropdown_button->priv; - - if (toggle_button->active) { - gtk_menu_popup (GTK_MENU (priv->menu), NULL, NULL, - menu_position_cb, dropdown_button, - 1, GDK_CURRENT_TIME); - } else { - gtk_menu_popdown (GTK_MENU (priv->menu)); - } -} - - -static void -class_init (EDropdownButtonClass *klass) -{ - GtkObjectClass *object_class; - GtkWidgetClass *widget_class; - GtkToggleButtonClass *toggle_class; - - object_class = GTK_OBJECT_CLASS (klass); - widget_class = GTK_WIDGET_CLASS (klass); - toggle_class = GTK_TOGGLE_BUTTON_CLASS (klass); - - object_class->destroy = impl_destroy; - toggle_class->toggled = impl_toggled; - - parent_class = g_type_class_ref(PARENT_TYPE); -} - - -static void -init (EDropdownButton *dropdown_button) -{ - EDropdownButtonPrivate *priv; - - priv = g_new (EDropdownButtonPrivate, 1); - priv->accel_group = gtk_accel_group_new (); - priv->menu = NULL; - - dropdown_button->priv = priv; -} - - -/** - * e_dropdown_button_construct: - * @dropdown_button: A pointer to an %EDropdownButton object - * @label_text: Text to display in the button - * @menu: The menu to pop up when the button is pressed - * - * Construct the @dropdown_button with the specified @label_text and the - * associated @menu. - **/ -void -e_dropdown_button_construct (EDropdownButton *dropdown_button, - const char *label_text, - GtkMenu *menu) -{ - EDropdownButtonPrivate *priv; - GtkWidget *hbox; - GtkWidget *arrow; - GtkWidget *label; - unsigned int accel_key; - - g_return_if_fail (dropdown_button != NULL); - g_return_if_fail (E_IS_DROPDOWN_BUTTON (dropdown_button)); - g_return_if_fail (label_text != NULL); - g_return_if_fail (menu != NULL); - g_return_if_fail (GTK_IS_MENU (menu)); - - priv = dropdown_button->priv; - - hbox = gtk_hbox_new (FALSE, 2); - gtk_container_add (GTK_CONTAINER (dropdown_button), hbox); - gtk_widget_show (hbox); - - label = gtk_label_new (""); - accel_key = gtk_label_parse_uline (GTK_LABEL (label), label_text); - gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0); - gtk_widget_show (label); - gtk_widget_add_accelerator (GTK_WIDGET (dropdown_button), "clicked", - priv->accel_group, accel_key, GDK_MOD1_MASK, 0); - - arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT); - gtk_box_pack_start (GTK_BOX (hbox), arrow, FALSE, FALSE, 2); - gtk_widget_show (arrow); - - priv->menu = GTK_WIDGET (menu); - - gtk_signal_connect_while_alive (GTK_OBJECT (priv->menu), "deactivate", - G_CALLBACK (menu_deactivate_cb), - dropdown_button, GTK_OBJECT (dropdown_button)); -} - -/** - * e_dropdown_button_new: - * @label_text: Text to display in the button - * @menu: The menu to pop up when the button is pressed - * - * Create a new dropdown button. When the button is clicked, the specified - * @menu will be popped up. - * - * Return value: A pointer to the newly created %EDropdownButton. - **/ -GtkWidget * -e_dropdown_button_new (const char *label_text, - GtkMenu *menu) -{ - GtkWidget *widget; - - g_return_val_if_fail (label_text != NULL, NULL); - g_return_val_if_fail (menu != NULL, NULL); - g_return_val_if_fail (GTK_IS_MENU (menu), NULL); - - widget = gtk_type_new (e_dropdown_button_get_type ()); - - e_dropdown_button_construct (E_DROPDOWN_BUTTON (widget), label_text, menu); - return widget; -} - - -E_MAKE_TYPE (e_dropdown_button, "EDropdownButton", EDropdownButton, class_init, init, PARENT_TYPE) |