-/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
+#include "xorrectangle.h"
-This file is part of GtkRadiant.
+#include <gtk/gtk.h>
-GtkRadiant 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.
+bool XORRectangle::initialised() const
+{
+ return !!cr;
+}
-GtkRadiant 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.
+void XORRectangle::lazy_init()
+{
+ if (!initialised()) {
+ cr = gdk_cairo_create(gtk_widget_get_window(m_widget));
+ }
+}
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+void XORRectangle::draw() const
+{
+ const int x = float_to_integer(m_rectangle.x);
+ const int y = float_to_integer(m_rectangle.y);
+ const int w = float_to_integer(m_rectangle.w);
+ const int h = float_to_integer(m_rectangle.h);
+ GtkAllocation allocation;
+ gtk_widget_get_allocation(m_widget, &allocation);
+ cairo_rectangle(cr, x, -(h) - (y - allocation.height), w, h);
+ cairo_set_source_rgb(cr, 1, 1, 1);
+ cairo_set_operator(cr, CAIRO_OPERATOR_DIFFERENCE);
+ cairo_stroke(cr);
+}
-#include "xorrectangle.h"
+XORRectangle::XORRectangle(ui::GLArea widget) : m_widget(widget), cr(0)
+{
+}
+
+XORRectangle::~XORRectangle()
+{
+ if (initialised()) {
+ cairo_destroy(cr);
+ }
+}
+void XORRectangle::set(rectangle_t rectangle)
+{
+ if (gtk_widget_get_realized(m_widget)) {
+ lazy_init();
+ draw();
+ m_rectangle = rectangle;
+ draw();
+ }
+}