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/* Copyright 2006-2007 Guillaume Duhamel
Copyright 2005-2006 Fabien Coulon
This file is part of Yabause.
Yabause 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.
Yabause 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 Yabause; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "yuiviewer.h"
#include "gtkglwidget.h"
#include "../core.h"
static void yui_viewer_class_init (YuiViewerClass * klass);
static void yui_viewer_init (YuiViewer * yfe);
static void yui_viewer_expose (GtkWidget * widget, GdkEventExpose *event, gpointer data);
GType yui_viewer_get_type (void) {
static GType yfe_type = 0;
if (!yfe_type)
{
static const GTypeInfo yfe_info =
{
sizeof (YuiViewerClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) yui_viewer_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (YuiViewer),
0,
(GInstanceInitFunc) yui_viewer_init,
NULL,
};
yfe_type = g_type_register_static(GTK_TYPE_DRAWING_AREA, "YuiViewer", &yfe_info, 0);
}
return yfe_type;
}
static void yui_viewer_class_init (UNUSED YuiViewerClass * klass) {
}
static gint
my_popup_handler (GtkWidget *widget, GdkEvent *event)
{
GtkMenu *menu;
GdkEventButton *event_button;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_MENU (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
/* The "widget" is the menu that was supplied when
* * g_signal_connect_swapped() was called.
* */
menu = GTK_MENU (widget);
if (event->type == GDK_BUTTON_PRESS)
{
event_button = (GdkEventButton *) event;
if (event_button->button == 3)
{
gtk_menu_popup (menu, NULL, NULL, NULL, NULL,
event_button->button, event_button->time);
return TRUE;
}
}
return FALSE;
}
static void yui_viewer_init (YuiViewer * yv) {
GtkWidget * menu;
GtkWidget * item;
gtk_widget_set_events(GTK_WIDGET(yv), GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
menu = gtk_menu_new();
item = gtk_image_menu_item_new_from_stock(GTK_STOCK_SAVE, NULL);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
gtk_widget_show_all(menu);
g_signal_connect_swapped(yv, "button-press-event", G_CALLBACK(my_popup_handler), menu);
g_signal_connect(yv, "expose-event", G_CALLBACK(yui_viewer_expose), NULL);
g_signal_connect_swapped(item, "activate", G_CALLBACK(yui_viewer_save), yv);
yv->pixbuf = NULL;
}
GtkWidget * yui_viewer_new(void) {
GtkWidget * dialog;
dialog = GTK_WIDGET(g_object_new(yui_viewer_get_type(), NULL));
return dialog;
}
static void yui_viewer_expose(GtkWidget * widget, GdkEventExpose *event, gpointer data) {
YuiViewer * yv = YUI_VIEWER(widget);
if (yv->pixbuf != NULL) {
gdk_draw_pixbuf(widget->window, NULL, yv->pixbuf, 0, 0, 0, 0, yv->w, yv->h, GDK_RGB_DITHER_NONE, 0, 0);
}
}
void yui_viewer_save(YuiViewer * yv) {
GtkWidget * file_selector;
gint result;
char * filename;
int rowstride;
file_selector = gtk_file_chooser_dialog_new ("Please choose a file", NULL, GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL);
gtk_widget_show(file_selector);
result = gtk_dialog_run(GTK_DIALOG(file_selector));
switch(result) {
case GTK_RESPONSE_ACCEPT:
rowstride = yv->w * 4;
rowstride += (rowstride % 4)? (4 - (rowstride % 4)): 0;
filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(file_selector));
gdk_pixbuf_save(yv->pixbuf, filename, "png", NULL, NULL);
break;
case GTK_RESPONSE_CANCEL:
break;
}
gtk_widget_destroy(file_selector);
}
void yui_viewer_draw_pixbuf(YuiViewer * yv, GdkPixbuf * pixbuf, int w, int h) {
yv->pixbuf = g_object_ref(pixbuf);
yv->w = w;
yv->h = h;
gdk_window_clear(GTK_WIDGET(yv)->window);
gtk_widget_queue_draw_area(GTK_WIDGET(yv), 0, 0, w, h);
}
void yui_viewer_clear(YuiViewer * yv) {
if (GTK_WIDGET(yv)->window != NULL) {
gdk_window_clear(GTK_WIDGET(yv)->window);
}
}
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