1 files changed, 106 insertions, 0 deletions
diff --git a/kkbswitch/windowclasswatcher.cpp b/kkbswitch/windowclasswatcher.cpp
new file mode 100644
index 0000000..b88e781
--- /dev/null
+++ b/kkbswitch/windowclasswatcher.cpp
@@ -0,0 +1,106 @@
+/***************************************************************************
+ *   Copyright (C) 2004 by Leonid Zeitlin                                  *
+ *   lz@europe.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.                                   *
+ *                                                                         *
+ *   This program 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.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#include "windowclasswatcher.h"
+#include "kbconfig.h"
+
+#include <kwinmodule.h>
+#include <kdebug.h>
+
+#include <X11/Xutil.h>
+
+WindowClassWatcher::WindowClassWatcher(KBConfig *kbconf, QObject *parent, const char *name)
+ : WindowWatcher(kbconf, parent, name)
+{
+  reset();
+}
+
+WindowClassWatcher::~WindowClassWatcher()
+{
+}
+
+QString WindowClassWatcher::getWindowClass(WId id)
+{
+  XClassHint hint;
+  QString ret = QString::null;
+  
+  if (XGetClassHint(qt_xdisplay(), id, &hint)) {
+    ret = hint.res_class;
+    XFree(hint.res_name);
+    XFree(hint.res_class);
+  }
+  return ret;
+}
+
+void WindowClassWatcher::windowAdded(WId id)
+{
+  QString wclass = getWindowClass(id);
+  KBClassInfo &info = m_class_group_map[wclass];
+  if (info.refcount == 0) {
+    // new class
+    info.groupno = m_kbconf->default_groupno();
+    info.next_groupno = m_kbconf->getNextGroup(m_kbconf->default_groupno());
+  }
+  info.refcount++;
+  m_win_class_map.insert(id, wclass);
+}
+
+void WindowClassWatcher::windowRemoved(WId id)
+{
+  ClassGroupMap::Iterator iter = m_class_group_map.find(m_win_class_map[id]);
+  if (iter != m_class_group_map.end()) {
+    iter.data().refcount--;
+    if (iter.data().refcount <= 0) m_class_group_map.remove(iter);
+  }  
+  m_win_class_map.remove(id);
+}
+
+void WindowClassWatcher::activeWindowChanged(WId id)
+{
+  if (id == 0) return; // no window is active
+  m_active_class = m_class_group_map.find(m_win_class_map[id]);
+  if (m_active_class != m_class_group_map.end()) 
+    emit windowChanged(m_active_class.data().groupno, m_active_class.data().next_groupno);
+}
+
+void WindowClassWatcher::changeGroup(int groupno, int next_groupno)
+{
+  if (m_active_class != m_class_group_map.end()) {
+    m_active_class.data().groupno = groupno;
+    m_active_class.data().next_groupno = next_groupno;
+  }
+}
+
+void WindowClassWatcher::reset()
+{
+  m_win_class_map.clear();
+  m_class_group_map.clear();
+
+  // fill the map with existing windows  
+  const QValueList<WId> windows = m_kwin_module->windows();
+  const QValueList<WId>::ConstIterator end = windows.end();
+  for (QValueList<WId>::ConstIterator it = windows.begin(); it != end; ++it)
+     windowAdded(*it);
+  
+  WId active_window = m_kwin_module->activeWindow();
+  if (active_window) 
+    m_active_class = m_class_group_map.find(m_win_class_map[active_window]);
+  else m_active_class = m_class_group_map.end();
+}
+