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/* Dia -- an diagram creation/manipulation program
* Copyright (C) 1998 Alexander Larsson
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include <string.h>
#include "widgets.h"
#include "units.h"
#include "message.h"
#include "dia_dirs.h"
#include "diaoptionmenu.h"
#include <stdlib.h>
#include <glib.h>
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include <pango/pango.h>
#include <stdio.h>
#include <time.h>
#include <gdk/gdkkeysyms.h>
/* ************************ Misc. util functions ************************ */
struct image_pair { GtkWidget *on; GtkWidget *off; };
static void
dia_toggle_button_swap_images(GtkToggleButton *widget,
gpointer data)
{
struct image_pair *images = (struct image_pair *)data;
if (gtk_toggle_button_get_active(widget)) {
gtk_container_remove(GTK_CONTAINER(widget),
gtk_bin_get_child(GTK_BIN(widget)));
gtk_container_add(GTK_CONTAINER(widget),
images->on);
} else {
gtk_container_remove(GTK_CONTAINER(widget),
gtk_bin_get_child(GTK_BIN(widget)));
gtk_container_add(GTK_CONTAINER(widget),
images->off);
}
}
static void
dia_toggle_button_destroy (GtkWidget *widget, gpointer data)
{
struct image_pair *images = (struct image_pair *) data;
g_clear_object (&images->on);
g_clear_object (&images->off);
g_clear_pointer (&images, g_free);
}
/** Create a toggle button given two image widgets for on and off */
static GtkWidget *
dia_toggle_button_new(GtkWidget *on_widget, GtkWidget *off_widget)
{
GtkWidget *button = gtk_toggle_button_new();
// GtkRcStyle *rcstyle;
struct image_pair *images;
images = g_new(struct image_pair, 1);
/* Since these may not be added at any point, make sure to
* sink them. */
images->on = on_widget;
g_object_ref_sink(images->on);
gtk_widget_show(images->on);
images->off = off_widget;
g_object_ref_sink(images->off);
gtk_widget_show(images->off);
/* Make border as small as possible */
gtk_misc_set_padding (GTK_MISC (images->on), 0, 0);
gtk_misc_set_padding (GTK_MISC (images->off), 0, 0);
gtk_widget_set_can_focus (GTK_WIDGET (button), FALSE);
gtk_widget_set_can_default (GTK_WIDGET (button), FALSE);
/* disabled Gtk3 -- Hub
rcstyle = gtk_rc_style_new ();
rcstyle->xthickness = rcstyle->ythickness = 0;
gtk_widget_modify_style (button, rcstyle);
g_clear_object (&rcstyle);
*/
gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
/* gtk_button_set_focus_on_click(GTK_BUTTON(button), FALSE);*/
gtk_container_set_border_width(GTK_CONTAINER(button), 0);
gtk_container_add(GTK_CONTAINER(button), images->off);
g_signal_connect(G_OBJECT(button), "toggled",
G_CALLBACK(dia_toggle_button_swap_images), images);
g_signal_connect(G_OBJECT(button), "destroy",
G_CALLBACK(dia_toggle_button_destroy), images);
return button;
}
/*
* Create a toggle button with two icons (created with gdk-pixbuf-csource,
* for instance). The icons represent on and off.
*/
/* GTK3: This is built-in (new_from_resource, add_resource_path....) */
/* Adapted from Gtk */
GdkPixbuf *
pixbuf_from_resource (const char *path)
{
GdkPixbufLoader *loader = NULL;
GdkPixbuf *pixbuf = NULL;
GBytes *bytes;
g_return_val_if_fail (path != NULL, NULL);
bytes = g_resources_lookup_data (path, G_RESOURCE_LOOKUP_FLAGS_NONE, NULL);
if (!bytes) {
g_critical ("Missing resource %s", path);
goto out;
}
loader = gdk_pixbuf_loader_new ();
if (!gdk_pixbuf_loader_write_bytes (loader, bytes, NULL))
goto out;
if (!gdk_pixbuf_loader_close (loader, NULL))
goto out;
pixbuf = g_object_ref (gdk_pixbuf_loader_get_pixbuf (loader));
out:
gdk_pixbuf_loader_close (loader, NULL);
g_clear_object (&loader);
g_bytes_unref (bytes);
return pixbuf;
}
GtkWidget *
dia_toggle_button_new_with_icon_names (const char *on,
const char *off)
{
GtkWidget *on_img, *off_img;
on_img = gtk_image_new_from_icon_name (on, GTK_ICON_SIZE_BUTTON);
off_img = gtk_image_new_from_icon_name (off, GTK_ICON_SIZE_BUTTON);
return dia_toggle_button_new (on_img, off_img);
}
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