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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-gui-utils.c
* Copyright 2000, 2001, Ximian, Inc.
*
* Authors:
* Miguel de Icaza <miguel@ximian.com>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "e-gui-utils.h"
#include <gtk/gtkentry.h>
#include <gtk/gtksignal.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <libgnomecanvas/gnome-canvas-pixbuf.h>
void
e_auto_kill_popup_menu_on_selection_done (GtkMenu *menu)
{
g_return_if_fail (GTK_IS_MENU (menu));
g_signal_connect (menu, "selection_done", G_CALLBACK (gtk_widget_destroy), menu);
}
void
e_popup_menu (GtkMenu *menu, GdkEvent *event)
{
g_return_if_fail (GTK_IS_MENU (menu));
e_auto_kill_popup_menu_on_selection_done (menu);
if (event) {
if (event->type == GDK_KEY_PRESS)
gtk_menu_popup (menu, NULL, NULL, 0, NULL, 0,
event->key.time);
else if ((event->type == GDK_BUTTON_PRESS) ||
(event->type == GDK_BUTTON_RELEASE) ||
(event->type == GDK_2BUTTON_PRESS) ||
(event->type == GDK_3BUTTON_PRESS)){
gtk_menu_popup (menu, NULL, NULL, 0, NULL,
event->button.button,
event->button.time);
}
} else
gtk_menu_popup (menu, NULL, NULL, 0, NULL, 0,
GDK_CURRENT_TIME);
}
typedef struct {
GtkCallback callback;
gpointer closure;
} CallbackClosure;
static void
e_container_foreach_leaf_callback(GtkWidget *widget, CallbackClosure *callback_closure)
{
if (GTK_IS_CONTAINER(widget)) {
e_container_foreach_leaf(GTK_CONTAINER(widget), callback_closure->callback, callback_closure->closure);
} else {
(*callback_closure->callback) (widget, callback_closure->closure);
}
}
void
e_container_foreach_leaf(GtkContainer *container,
GtkCallback callback,
gpointer closure)
{
CallbackClosure callback_closure;
callback_closure.callback = callback;
callback_closure.closure = closure;
gtk_container_foreach(container, (GtkCallback) e_container_foreach_leaf_callback, &callback_closure);
}
static void
e_container_change_tab_order_destroy_notify(gpointer data)
{
GList *list = data;
g_list_foreach(list, (GFunc) g_object_unref, NULL);
g_list_free(list);
}
static gint
e_container_change_tab_order_callback(GtkContainer *container,
GtkDirectionType direction,
GList *children)
{
GtkWidget *focus_child;
GtkWidget *child;
if (direction != GTK_DIR_TAB_FORWARD &&
direction != GTK_DIR_TAB_BACKWARD)
return FALSE;
focus_child = container->focus_child;
if (focus_child == NULL)
return FALSE;
if (direction == GTK_DIR_TAB_BACKWARD) {
children = g_list_last(children);
}
while (children) {
child = children->data;
if (direction == GTK_DIR_TAB_FORWARD)
children = children->next;
else
children = children->prev;
if (!child)
continue;
if (focus_child) {
if (focus_child == child) {
focus_child = NULL;
if (GTK_WIDGET_DRAWABLE (child) &&
GTK_IS_CONTAINER (child) &&
!GTK_WIDGET_HAS_FOCUS (child))
if (gtk_widget_child_focus (GTK_WIDGET (child), direction)) {
g_signal_stop_emission_by_name (container, "focus");
return TRUE;
}
}
}
else if (GTK_WIDGET_DRAWABLE (child)) {
if (GTK_IS_CONTAINER (child)) {
if (gtk_widget_child_focus (GTK_WIDGET (child), direction)) {
g_signal_stop_emission_by_name (container, "focus");
return TRUE;
}
}
else if (GTK_WIDGET_CAN_FOCUS (child)) {
gtk_widget_grab_focus (child);
g_signal_stop_emission_by_name (container, "focus");
return TRUE;
}
}
}
return FALSE;
}
gint
e_container_change_tab_order(GtkContainer *container, GList *widgets)
{
GList *list;
list = g_list_copy(widgets);
g_list_foreach(list, (GFunc) g_object_ref, NULL);
return gtk_signal_connect_full(GTK_OBJECT(container), "focus",
GTK_SIGNAL_FUNC(e_container_change_tab_order_callback),
NULL, list,
e_container_change_tab_order_destroy_notify,
FALSE, FALSE);
}
struct widgetandint {
GtkWidget *widget;
int count;
};
static void
nth_entry_callback(GtkWidget *widget, struct widgetandint *data)
{
if (GTK_IS_ENTRY(widget)) {
if (data->count > 1) {
data->count --;
data->widget = widget;
} else if (data->count == 1) {
data->count --;
data->widget = NULL;
gtk_widget_grab_focus(widget);
}
}
}
void
e_container_focus_nth_entry(GtkContainer *container, int n)
{
struct widgetandint data;
data.widget = NULL;
data.count = n;
e_container_foreach_leaf(container, (GtkCallback) nth_entry_callback, &data);
if (data.widget)
gtk_widget_grab_focus(data.widget);
}
gboolean
e_glade_xml_connect_widget (GladeXML *gui, char *name, char *signal, GCallback cb, gpointer closure)
{
GtkWidget *widget;
widget = glade_xml_get_widget (gui, name);
if (widget) {
g_signal_connect (widget, signal,
cb, closure);
return TRUE;
}
return FALSE;
}
gboolean
e_glade_xml_set_sensitive (GladeXML *gui, char *name, gboolean sensitive)
{
GtkWidget *widget;
widget = glade_xml_get_widget (gui, name);
if (widget) {
gtk_widget_set_sensitive (widget, sensitive);
return TRUE;
}
return FALSE;
}
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