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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/gtk/toolbar_star_toggle_gtk.h"
#include "chrome/common/resource_bundle.h"
#include "grit/theme_resources.h"
ToolbarStarToggleGtk::ToolbarStarToggleGtk() {
widget_ = gtk_button_new();
// Load the button images from the resource bundle.
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
unstarred_pixbuf_[GTK_STATE_NORMAL] = rb.LoadPixbuf(IDR_STAR);
unstarred_pixbuf_[GTK_STATE_ACTIVE] = rb.LoadPixbuf(IDR_STAR_P);
unstarred_pixbuf_[GTK_STATE_PRELIGHT] = rb.LoadPixbuf(IDR_STAR_H);
unstarred_pixbuf_[GTK_STATE_SELECTED] = NULL;
unstarred_pixbuf_[GTK_STATE_INSENSITIVE] = rb.LoadPixbuf(IDR_STAR_D);
starred_pixbuf_[GTK_STATE_NORMAL] = rb.LoadPixbuf(IDR_STARRED);
starred_pixbuf_[GTK_STATE_ACTIVE] = rb.LoadPixbuf(IDR_STARRED_P);
starred_pixbuf_[GTK_STATE_PRELIGHT] = rb.LoadPixbuf(IDR_STARRED_H);
starred_pixbuf_[GTK_STATE_SELECTED] = NULL;
starred_pixbuf_[GTK_STATE_INSENSITIVE] = NULL;
gtk_widget_set_size_request(widget_,
gdk_pixbuf_get_width(unstarred_pixbuf_[0]),
gdk_pixbuf_get_height(unstarred_pixbuf_[0]));
gtk_widget_set_app_paintable(widget_, TRUE);
// We effectively double-buffer by virtue of having only one image...
gtk_widget_set_double_buffered(widget_, FALSE);
g_signal_connect(G_OBJECT(widget_), "expose-event",
G_CALLBACK(OnExpose), this);
}
ToolbarStarToggleGtk::~ToolbarStarToggleGtk() {
for (size_t i = 0; i < arraysize(unstarred_pixbuf_); ++i) {
if (unstarred_pixbuf_[i])
gdk_pixbuf_unref(unstarred_pixbuf_[i]);
if (starred_pixbuf_[i])
gdk_pixbuf_unref(starred_pixbuf_[i]);
}
}
void ToolbarStarToggleGtk::SetStarred(bool starred) {
starred_ = starred;
gtk_widget_queue_draw(widget_);
}
// static
gboolean ToolbarStarToggleGtk::OnExpose(GtkWidget* widget, GdkEventExpose* e,
ToolbarStarToggleGtk* button) {
GdkPixbuf** pixbuf_bank = NULL;
if (button->starred_)
pixbuf_bank = button->starred_pixbuf_;
else
pixbuf_bank = button->unstarred_pixbuf_;
GdkPixbuf* pixbuf = pixbuf_bank[GTK_WIDGET_STATE(widget)];
// Fall back to the default image if we don't have one for this state.
if (!pixbuf)
pixbuf = pixbuf_bank[GTK_STATE_NORMAL];
if (!pixbuf)
return FALSE;
gdk_draw_pixbuf(widget->window,
widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
pixbuf,
0, 0,
widget->allocation.x, widget->allocation.y, -1, -1,
GDK_RGB_DITHER_NONE, 0, 0);
return TRUE;
}
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