don't flash original window in the middle of cycling focus

ChangeLog

@@ -1,6 +1,8 @@
  (Format: Year/Month/Day)
 Changes for 1.1.2
 *08/10/01:
+   * Don't flash original window while cycling (Mark)
+     FocusControl.cc FbTk/XLayer.cc/hh
    * Reset background when screen changes resolution (Mark)
      Screen.cc RootTheme.cc/hh
    * Restore missing config files on reconfigure (Mark)

src/FbTk/Layer.hh

@@ -43,7 +43,6 @@ public:
     virtual void raise(ItemType &item);
     /// move item to bottom
     virtual void lower(ItemType &item);
-    virtual void restack();
     /// @return layer item on specific position, on failure 0
     ItemType *getItem(unsigned int position);
     /// @return number of elements in layer
@@ -52,6 +51,8 @@ public:
     const ListType &itemList() const { return m_list; }
     /// @return layer list
     ListType &itemList() { return m_list; }
+protected:
+    virtual void restack();
 private:
     ListType m_list;
 };

src/FbTk/MultLayers.hh

@@ -52,7 +52,6 @@ public:
 
     void moveToLayer(XLayerItem &item, int layernum);
     int  size();
-    void restack();
 
     XLayer *getLayer(size_t num);
     const XLayer *getLayer(size_t num) const;
@@ -62,10 +61,10 @@ public:
     void unlock() { if (--m_lock == 0) restack(); }
 
 private:
+    void restack();
+
     std::vector<XLayer *> m_layers;
-
     int m_lock;
-
 };
 
 };

src/FbTk/XLayer.cc

@@ -37,7 +37,7 @@ using std::endl;
 #endif // DEBUG
 
 XLayer::XLayer(MultLayers &manager, int layernum):
-    m_manager(manager), m_layernum(layernum) {
+    m_manager(manager), m_layernum(layernum), m_needs_restack(false) {
 }
 
 XLayer::~XLayer() {
@@ -70,6 +70,7 @@ void XLayer::restack() {
 
     delete [] winlist;
 
+    m_needs_restack = false;
 }
 
 int XLayer::countWindows() {
@@ -177,8 +178,11 @@ void XLayer::remove(XLayerItem &item) {
 void XLayer::raise(XLayerItem &item) {
     // assume it is already in this layer
 
-    if (&item == itemList().front())
+    if (&item == itemList().front()) {
+        if (m_needs_restack)
+            restack();
         return; // nothing to do
+    }
 
     iterator it = find(itemList().begin(), itemList().end(), &item);
     if (it != itemList().end())
@@ -198,7 +202,7 @@ void XLayer::raise(XLayerItem &item) {
 void XLayer::tempRaise(XLayerItem &item) {
     // assume it is already in this layer
 
-    if (&item == itemList().front())
+    if (!m_needs_restack && &item == itemList().front())
         return; // nothing to do
 
     iterator it = find(itemList().begin(), itemList().end(), &item);
@@ -212,14 +216,18 @@ void XLayer::tempRaise(XLayerItem &item) {
     // don't add it back to the top
     stackBelowItem(&item, m_manager.getLowestItemAboveLayer(m_layernum));
 
+    m_needs_restack = true;
 }
 
 void XLayer::lower(XLayerItem &item) {
     // assume already in this layer
 
     // is it already the lowest?
-    if (&item == itemList().back())
+    if (&item == itemList().back()) {
+        if (m_needs_restack)
+            restack();
         return; // nothing to do
+    }
 
     iterator it = find(itemList().begin(), itemList().end(), &item);
     if (it != itemList().end())

src/FbTk/XLayer.hh

@@ -44,7 +44,6 @@ public:
 
     void setLayerNum(int layernum) { m_layernum = layernum; };
     int  getLayerNum() { return m_layernum; };
-    void restack();
     // Put all items on the same layer (called when layer item added to)
     void alignItem(XLayerItem &item);
     int countWindows();
@@ -73,9 +72,11 @@ public:
     void moveToLayer(XLayerItem &item, int layernum);
 
 private:
+    void restack();
+
     MultLayers &m_manager;
     int m_layernum;
-
+    bool m_needs_restack;
 };
 
 } // namespace FbTk

src/FocusControl.cc

@@ -146,8 +146,6 @@ void FocusControl::cycleFocus(const FocusableList &window_list,
 
     // if we were already cycling, then restore the old state
     if (m_cycling_last) {
-        m_screen.layerManager().restack();
-
         // set back to originally selected window in that group
         m_cycling_last->fbwindow()->setCurrentClient(*m_cycling_last, false);