Logo Search packages:      
Sourcecode: madman version File versions  Download package

trayicon_x11.cpp

/*
 * trayicon_x11.cpp - X11 trayicon (for use with KDE and GNOME)
 * Copyright (C) 2003  Justin Karneges
 * GNOME2 Notification Area support: Tomasz Sterna
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "trayicon_x11.h"

/* for Gnome2 Notification Area */
static XErrorHandler old_handler = 0;
static int dock_xerror = 0;
static int dock_xerrhandler(Display* dpy, XErrorEvent* err)
{
      dock_xerror = err->error_code;
      return old_handler(dpy, err);
}

static void trap_errors()
{
      dock_xerror = 0;
      old_handler = XSetErrorHandler(dock_xerrhandler);
}

static bool untrap_errors()
{
      XSetErrorHandler(old_handler);
      return (dock_xerror == 0);
}

static bool send_message(
      Display* dpy, /* display */
      Window w,    /* sender (tray icon window) */
      long message, /* message opcode */
      long data1,   /* message data 1 */
      long data2,   /* message data 2 */
      long data3  /* message data 3 */
){
      XEvent ev;

      memset(&ev, 0, sizeof(ev));
      ev.xclient.type = ClientMessage;
      ev.xclient.window = w;
      ev.xclient.message_type = XInternAtom (dpy, "_NET_SYSTEM_TRAY_OPCODE", False);
      ev.xclient.format = 32;
      ev.xclient.data.l[0] = CurrentTime;
      ev.xclient.data.l[1] = message;
      ev.xclient.data.l[2] = data1;
      ev.xclient.data.l[3] = data2;
      ev.xclient.data.l[4] = data3;

      trap_errors();
      XSendEvent(dpy, w, False, NoEventMask, &ev);
      XSync(dpy, False);
      return untrap_errors();
}

/*static QPixmap buildIcon(const QPixmap &_in)
{
      QImage image(22,22,32);
      image.fill(0);
      image.setAlphaBuffer(TRUE);

      QImage in = _in.convertToImage();
      //QImage in(22,22,32);

      // make sure it is no bigger than 22x22
      if(in.width() > 22 || in.height() > 22)
            in = in.smoothScale(22,22);

      // draw the pixmap onto the 22x22 image
      int xo = (image.width() - in.width()) / 2;
      int yo = (image.height() - in.height()) / 2;
      for(int n2 = 0; n2 < in.height(); ++n2) {
            for(int n = 0; n < in.width(); ++n) {
                  if(qAlpha(in.pixel(n,n2))) {
                        image.setPixel(n+xo, n2+yo, in.pixel(n,n2));
                  }
            }
      }

      // convert to pixmap and return
      QPixmap icon;
      icon.convertFromImage(image);
      return icon;
}*/

//class TrayIcon::TrayIconPrivate : public QLabel

bool TrayIcon::TrayIconPrivate::x11Event(XEvent *e)
{
      if (e->type == ClientMessage){
            if (!inTray){
                  Atom xembed_atom = XInternAtom(qt_xdisplay(), "_XEMBED", FALSE);
                  if (e->xclient.message_type == xembed_atom){
                        inTray = true;
                        bInit = true;
                  }
            }
      }
      if ((e->type == ReparentNotify) && !bInit && inNetTray){
            Display *dsp = qt_xdisplay();
            if (e->xreparent.parent == XRootWindow(dsp,
                                    XScreenNumberOfScreen(XDefaultScreenOfDisplay(dsp)))
              ){
                  inNetTray = false;
            }else{
                  inTray = true;
                  bInit = true;
                  move(0, 0);
                  resize(22, 22);
                  XResizeWindow(dsp, winId(), 22, 22);
            }
      }
      if (((e->type == FocusIn) || (e->type == Expose)) && !bInit){
            if (!inTray){
                  bInit = true;
                  setFocusPolicy(NoFocus);
            }
      }
      return QWidget::x11Event(e);
}

void TrayIcon::sysInstall()
{
      if (d)
            return;

      d = new TrayIconPrivate(this, pm, v_isWMDock);
      sysUpdateToolTip();
      d->show();
}

void TrayIcon::sysRemove()
{
      if (!d)
            return;

      delete d;
      d = 0;
}

void TrayIcon::sysUpdateIcon()
{
      if (!d)
            return;

      QPixmap pix = pm; //buildIcon(pm);
      d->setPixmap(pix);
      //d->setMask(*pix.mask());
      d->repaint();
}

void TrayIcon::sysUpdateToolTip()
{
      if (!d)
            return;

      if(tip.isEmpty())
            QToolTip::remove(d);
      else
            QToolTip::add(d, tip);
}

Generated by  Doxygen 1.6.0   Back to index