Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeutils@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 231 insertions, 0 deletions

diff --git a/superkaramba/src/systemtray.cpp b/superkaramba/src/systemtray.cpp
new file mode 100644
index 0000000..312fe59
--- /dev/null
+++ b/superkaramba/src/systemtray.cpp
@@ -0,0 +1,231 @@
+/***************************************************************************
+    copyright (C) 2003      Adam Geitgey <adam@rootnode.org>
+                  2003      Sven Leiber <s.leiber@web.de>
+                  2000-2001 Matthias Ettrich <ettrich@kde.org>
+                  2000-2001 Matthias Elter   <elter@kde.org>
+                  2001      Carsten Pfeiffer <pfeiffer@kde.org>
+                  2001      Martijn Klingens <mklingens@yahoo.com>
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program 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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "systemtray.h"
+
+
+#include <qobject.h>
+#include <kiconloader.h>
+#include <klocale.h>
+#include <kwinmodule.h>
+#include <kmessagebox.h>
+#include <kdebug.h>
+#include <kwin.h>
+
+#include <qpopupmenu.h>
+#include <qdragobject.h>
+#include <qlayout.h>
+#include <qstringlist.h>
+#include <qpixmap.h>
+
+#include <X11/Xlib.h>
+
+Systemtray::Systemtray(QWidget* parent)
+  : QWidget(parent,0,0)
+{
+  setBackgroundOrigin(ParentOrigin);
+  setBackgroundMode(FixedPixmap);
+  m_Wins.setAutoDelete(true);
+}
+
+
+Systemtray::~Systemtray()
+{
+  m_Wins.clear();
+}
+
+int Systemtray::getTraySize() {
+
+	return (int) kwin_module->systemTrayWindows().size();
+}
+
+void Systemtray::updateBackgroundPixmap ( const QPixmap & pixmap) {
+  QXEmbed *emb;
+  setPaletteBackgroundPixmap (pixmap);
+    for (emb = m_Wins.first(); emb != 0L; emb = m_Wins.next()) {
+
+    //Stupid stupid stupid work around for annoying bug
+    //QXEmbed ignores setBackgroundOrigin(AncestorOrigin)....
+    QPixmap bug = QPixmap(emb->size());
+    bitBlt(&bug, 0, 0, &pixmap, emb->parentWidget()->x()+emb->x(),  emb->parentWidget()->y()+emb->y(), emb->width(), emb->height(),Qt::CopyROP, false);
+    emb->setPaletteBackgroundPixmap (bug);
+
+  }
+
+    QPoint topPoint = mapToGlobal(QPoint(0,0));
+    Window hack = XCreateSimpleWindow(qt_xdisplay(), winId(), 0,0, width(), height(), 0, 0, 0);
+    XRaiseWindow(qt_xdisplay(), hack);
+    XMapWindow(qt_xdisplay(), hack);
+    XUnmapWindow(qt_xdisplay(), hack);
+    XDestroyWindow(qt_xdisplay(), hack);
+}
+
+void Systemtray::initSystray( void )
+{
+  bool existing = false;
+  //bool content = false;
+  Display *display = qt_xdisplay();
+  no_of_systray_windows = 0;
+
+  kwin_module = new KWinModule();
+  systemTrayWindows = kwin_module->systemTrayWindows();
+  QValueList<WId>::ConstIterator end(systemTrayWindows.end());
+  for (QValueList<WId>::ConstIterator it = systemTrayWindows.begin(); it!=end; ++it)
+  {
+    no_of_systray_windows++;
+    QXEmbed *emb;
+
+    emb = new QXEmbed(this);
+    emb->setBackgroundMode(FixedPixmap);
+
+    emb->setAutoDelete(false);
+
+    connect(emb, SIGNAL(embeddedWindowDestroyed()), SLOT(updateTrayWindows()));
+
+    m_Wins.append(emb);
+
+    emb->embed(*it);
+    emb->resize(24, 24);
+    emb->show();
+    existing = true;
+  }
+
+  updateTrayWindows();
+
+  connect(kwin_module, SIGNAL(systemTrayWindowAdded(WId)), SLOT(systemTrayWindowAdded(WId)));
+  connect(kwin_module, SIGNAL(systemTrayWindowRemoved(WId)), SLOT(systemTrayWindowRemoved(WId)));
+
+  QCString screenstr;
+  screenstr.setNum(qt_xscreen());
+  QCString trayatom = "_NET_SYSTEM_TRAY_S" + screenstr;
+
+  net_system_tray_selection = XInternAtom( display, trayatom, false );
+  net_system_tray_opcode = XInternAtom( display, "_NET_SYSTEM_TRAY_OPCODE", false );
+
+  // Acquire system tray
+  XSetSelectionOwner( display,
+    net_system_tray_selection,
+    winId(),
+    CurrentTime );
+
+  WId root = qt_xrootwin();
+
+  if (XGetSelectionOwner(display, net_system_tray_selection) == winId())
+  {
+    XClientMessageEvent xev;
+
+    xev.type = ClientMessage;
+    xev.window = root;
+
+    xev.message_type = XInternAtom(display, "MANAGER", false);
+    xev.format = 32;
+
+    xev.data.l[0] = CurrentTime;
+    xev.data.l[1] = net_system_tray_selection;
+    xev.data.l[2] = winId();
+    xev.data.l[3] = 0;       /* Manager specific data */
+    xev.data.l[4] = 0;       /* Manager specific data */
+
+    XSendEvent( display, root, false, StructureNotifyMask, (XEvent *)&xev );
+  }
+}
+
+void Systemtray::updateTrayWindows( void )
+{
+  QXEmbed *emb;
+
+  emb = m_Wins.first();
+  while ((emb = m_Wins.current()) != 0L)
+  {
+    WId wid = emb->embeddedWinId();
+    if ((wid == 0) || !kwin_module->systemTrayWindows().contains(wid) )
+      m_Wins.remove(emb);
+    else
+      m_Wins.next();
+  }
+  layoutSystray();
+}
+void Systemtray::layoutSystray()
+{
+  int i = 0, a = 0;
+
+  QXEmbed* emb;
+  int x = 0;
+  int count = 0;
+
+  //How many systray icons can fit on a line?
+  int aa = width() / 24;
+
+  if(aa < 1)
+  {
+    /* The place is to small to display a icon we make than one line with
+       icons that we display at the top */
+    aa = 1;
+  }
+
+  for (emb = m_Wins.first(); emb != 0L; emb = m_Wins.next()) {
+    x = 2+i*24;
+
+    emb->move(a*24, x);
+    a++;
+
+    if(a+1 > aa) {
+      a = 0;
+      i++;
+    }
+
+    count++;
+    emb->repaint();
+  }
+}
+
+void Systemtray::systemTrayWindowAdded( WId w )
+{
+  //bool content = false;
+  QXEmbed *emb;
+  no_of_systray_windows++;
+  emit updated();
+
+  emb = new QXEmbed(this);
+
+  emb->setAutoDelete(false);
+  //emb->setBackgroundMode(X11ParentRelative);
+  emb->setBackgroundMode(FixedPixmap);
+  connect(emb, SIGNAL(embeddedWindowDestroyed()), SLOT(updateTrayWindows()));
+  m_Wins.append(emb);
+
+  emb->embed(w);
+  emb->resize(24, 24);
+  emb->show();
+
+  layoutSystray();
+}
+
+void Systemtray::systemTrayWindowRemoved(WId)
+{
+  no_of_systray_windows--;
+  emit updated();
+  updateTrayWindows();
+}
+
+int Systemtray::getCurrentWindowCount()
+{
+  return no_of_systray_windows;
+}
+
+#include "systemtray.moc"