ede/ede-desktop/MovableIcon.cpp

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/*
* $Id: DesktopIcon.cpp 3032 2011-08-03 12:20:37Z karijes $
*
* ede-desktop, desktop and icon manager
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2006-2011 EDE Authors.
*
* This program is licensed under terms of the
* GNU General Public License version 2 or newer.
* See COPYING for details.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define FL_LIBRARY 1
#include <FL/Fl.H>
#include <FL/x.H>
#include <edelib/Debug.h>
#ifdef HAVE_SHAPE
# include <X11/extensions/shape.h>
#endif
#include "MovableIcon.h"
#include "DesktopIcon.h"
#include "Utils.h"
MovableIcon::MovableIcon(DesktopIcon* ic) : Fl_Window(ic->x(), ic->y(), ic->w(), ic->h()), icon(ic), mask(0), opacity_atom(0) {
E_ASSERT(icon != NULL);
set_override();
color(ic->color());
begin();
/* force box be same width/height as icon so it can fit inside masked window */
#ifdef HAVE_SHAPE
Fl_Image* img = ic->icon_image();
if(img)
icon_box = new Fl_Box(0, 0, img->w(), img->h());
else
icon_box = new Fl_Box(0, 0, w(), h());
#else
icon_box = new Fl_Box(0, 0, w(), h());
#endif
icon_box->image(ic->icon_image());
end();
opacity_atom = XInternAtom(fl_display, "_NET_WM_WINDOW_OPACITY", False);
}
MovableIcon::~MovableIcon() {
if(mask)
XFreePixmap(fl_display, mask);
}
void MovableIcon::show(void) {
if(!shown())
Fl_X::make_xid(this);
#ifdef HAVE_SHAPE
if(icon->icon_image()) {
mask = create_mask(icon->icon_image());
if(mask) {
XShapeCombineMask(fl_display, fl_xid(this), ShapeBounding, 0, 0, mask, ShapeSet);
/* now set transparency; composite manager should handle the rest (if running) */
unsigned int opacity = 0xc0000000;
XChangeProperty(fl_display, fl_xid(this), opacity_atom, XA_CARDINAL, 32, PropModeReplace,
(unsigned char*)&opacity, 1L);
}
}
#endif
}