X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;ds=sidebyside;f=util%2Fepist%2Fscreen.cc;h=99de22b4c0ed7a7018bf90bc09da554064a51329;hb=f6a3cd61f814c9a5190acb4af3b339dd4cd08647;hp=1086ce4ab861aa0a0844c9f250012fbd286c2773;hpb=a0cf45a0ef5f7e2cbf0833f4d8655131912400cc;p=chaz%2Fopenbox

diff --git a/util/epist/screen.cc b/util/epist/screen.cc
index 1086ce4a..99de22b4 100644
--- a/util/epist/screen.cc
+++ b/util/epist/screen.cc
@@ -120,12 +120,6 @@ void screen::processEvent(const XEvent &e) {
   assert(_managed);
   assert(e.xany.window == _root);
 
-  XWindow *window = 0;
-  if (e.xany.window != _root) {
-    window = findWindow(e);  // find the window
-    assert(window); // we caught an event for a window we don't know about!?
-  }
-
   switch (e.type) {
   case PropertyNotify:
     // root window
@@ -348,16 +342,11 @@ void screen::updateClientList() {
   Window *rootclients = 0;
   unsigned long num = (unsigned) -1;
   if (! _xatom->getValue(_root, XAtom::net_client_list, XAtom::window, num,
-                         &rootclients)) {
-    while (! _clients.empty()) {
-      delete _clients.front();
-      _clients.erase(_clients.begin());
-    }
-    if (rootclients) delete [] rootclients;
-    return;
-  }
-  
-  WindowList::iterator it, end = _clients.end();
+                         &rootclients))
+    num = 0;
+
+  WindowList::iterator it;
+  const WindowList::iterator end = _clients.end();
   unsigned long i;
   
   // insert new clients after the active window
@@ -376,12 +365,17 @@ void screen::updateClientList() {
 
   // remove clients that no longer exist
   for (it = _clients.begin(); it != end;) {
-    WindowList::iterator it2 = it++;
+    WindowList::iterator it2 = it;
+    ++it;
+
     for (i = 0; i < num; ++i)
       if (**it2 == rootclients[i])
         break;
     if (i == num)  { // no longer exists
       //cout << "Removed window: 0x" << hex << (*it2)->window() << dec << endl;
+      // watch for the active window
+      if (it2 == _active)
+        _active = _clients.end();
       delete *it2;
       _clients.erase(it2);
     }
@@ -439,8 +433,6 @@ void screen::cycleWindow(const bool forward, const bool alldesktops,
                          const bool sameclass, const string &cn) const {
   assert(_managed);
 
-  if (_clients.empty()) return;
-    
   WindowList::const_iterator target = _active;
 
   string classname = cn;
@@ -449,6 +441,8 @@ void screen::cycleWindow(const bool forward, const bool alldesktops,
 
   if (target == _clients.end())
     target = _clients.begin();
+
+  WindowList::const_iterator begin = target;
  
   do {
     if (forward) {
@@ -460,6 +454,10 @@ void screen::cycleWindow(const bool forward, const bool alldesktops,
         target = _clients.end();
       --target;
     }
+
+    // no window to focus
+    if (target == begin)
+      return;
   } while (target == _clients.end() ||
            (*target)->iconic() ||
            (! alldesktops && (*target)->desktop() != _active_desktop) ||