Changed resize signal in BScreen to use the new signal system

ChangeLog

@@ -1,6 +1,9 @@
  (Format: Year/Month/Day)
 Changes for 1.1.2
 *08/09/28:
+   * Changed resize signal, in screen, to use the new signal system
+     (Henrik)
+     Toolbar.hh/cc, Slit.hh/cc, Screen.hh/cc
    * Changed workspace area signal to use the new signal system (Henrik)
      Window.hh/cc, Screen.hh/cc, fluxbox.hh/cc
    * Changed focused window signal to use the new signal system (Henrik)

src/Screen.cc

@@ -340,7 +340,6 @@ BScreen::BScreen(FbTk::ResourceManager &rm,
                  const string &altscreenname,
                  int scrn, int num_layers) :
     m_reconfigure_sig(*this), // reconfigure signal
-    m_resize_sig(*this),
     m_layermanager(num_layers),
     m_focused_windowtheme(new FbWinFrameTheme(scrn, ".focus", ".Focus")),
     m_unfocused_windowtheme(new FbWinFrameTheme(scrn, ".unfocus", ".Unfocus")),
@@ -1931,7 +1930,7 @@ void BScreen::updateSize() {
     m_root_theme->reconfigTheme();
 
     // send resize notify
-    m_resize_sig.notify();
+    m_resize_sig.emit(*this);
     m_workspace_area_sig.emit(*this);
 
     // move windows out of inactive heads

src/Screen.hh

@@ -226,7 +226,7 @@ public:
     FbTk::Signal<void, BScreen&, FluxboxWindow*, WinClient*> &focusedWindowSig() { return m_focusedwindow_sig; }
     /// reconfigure signal
     FbTk::Subject &reconfigureSig() { return m_reconfigure_sig; }
-    FbTk::Subject &resizeSig() { return m_resize_sig; }
+    ScreenSignal &resizeSig() { return m_resize_sig; }
     ScreenSignal &bgChangeSig() { return m_bg_change_sig; }
     //@}
 
@@ -493,11 +493,11 @@ private:
 
     const Strut* availableWorkspaceArea(int head) const;
 
-    ScreenSubject
+    ScreenSubject m_reconfigure_sig; ///< reconfigure signal
-        m_reconfigure_sig, ///< reconfigure signal
+
-        m_resize_sig; ///< resize signal
 
     FbTk::Signal<void, BScreen&, FluxboxWindow*, WinClient*> m_focusedwindow_sig;  ///< focused window signal
+    ScreenSignal m_resize_sig; ///< resize signal
     ScreenSignal m_workspace_area_sig; ///< workspace area changed signal
     ScreenSignal m_iconlist_sig; ///< notify if a window gets iconified/deiconified
     ScreenSignal m_clientlist_sig;  ///< client signal

src/Slit.cc

@@ -265,7 +265,9 @@ Slit::Slit(BScreen &scr, FbTk::XLayer &layer, const char *filename)
 
     // attach to theme and root window change signal
     theme().reconfigSig().attach(this);
-    scr.resizeSig().attach(this);
+
+    join(scr.resizeSig(),
+         FbTk::MemFun(*this, &Slit::screenSizeChanged));
 
     join(scr.bgChangeSig(),
          FbTk::MemFun(*this, &Slit::updateForScreen));
@@ -1053,16 +1055,20 @@ void Slit::exposeEvent(XExposeEvent &ev) {
     frame.window.clearArea(ev.x, ev.y, ev.width, ev.height);
 }
 
+void Slit::screenSizeChanged(BScreen &screen) {
+    reconfigure();
+#ifdef XINERAMA
+    if (m_xineramaheadmenu)
+        m_xineramaheadmenu->reloadHeads();
+#endif // XINERAMA
+}
+
 void Slit::updateForScreen(BScreen &screen) {
     reconfigure();
 }
 
-void Slit::update(FbTk::Subject *subj) {
+void Slit::update(FbTk::Subject*) {
-    reconfigure();
+    updateForScreen(screen());
-#ifdef XINERAMA
-    if (subj == &m_screen.resizeSig() && m_xineramaheadmenu)
-        m_xineramaheadmenu->reloadHeads();
-#endif // XINERAMA
 }
 
 void Slit::clearWindow() {

src/Slit.hh

@@ -133,6 +133,7 @@ public:
     SlitClients &clients() { return m_client_list; }
 private:
     /// Called when screen has changed
+    void screenSizeChanged(BScreen &screen);
     void updateForScreen(BScreen &screen);
 
     void updateAlpha();

src/Toolbar.cc

@@ -51,6 +51,7 @@
 #include "FbTk/IntMenuItem.hh"
 #include "FbTk/Shape.hh"
 #include "FbTk/SimpleObserver.hh"
+#include "FbTk/MemFun.hh"
 
 // use GNU extensions
 #ifndef	 _GNU_SOURCE
@@ -253,8 +254,10 @@ Toolbar::Toolbar(BScreen &scrn, FbTk::XLayer &layer, size_t width):
     m_observers.push_back(makeObserver(*this, &Toolbar::reconfigure));
     m_theme.reconfigSig().attach(m_observers.back());
     screen().reconfigureSig().attach(m_observers.back()); // get this on antialias change
+
     // listen to screen size changes
-    screen().resizeSig().attach(m_observers.back());
+    m_signal_tracker.join(screen().resizeSig(),
+                          FbTk::MemFun(*this, &Toolbar::screenChanged));
 
 
     moveToLayer((*m_rc_layernum).getNum());
@@ -380,6 +383,10 @@ void Toolbar::lower() {
     m_layeritem.lower();
 }
 
+void Toolbar::screenChanged(BScreen &screen) {
+    reconfigure();
+}
+
 void Toolbar::reconfigure() {
 
     updateVisibleState();

src/Toolbar.hh

@@ -41,6 +41,7 @@
 #include "FbTk/XLayerItem.hh"
 #include "FbTk/EventHandler.hh"
 #include "FbTk/FbWindow.hh"
+#include "FbTk/Signal.hh"
 
 #include <memory>
 
@@ -139,6 +140,9 @@ private:
     void updateStrut();
     void updateAlpha();
 
+    /// Called when the screen changed property.
+    void screenChanged(BScreen &screen);
+
     bool m_hidden;       ///< hidden state
 
     /// Toolbar frame
@@ -193,6 +197,7 @@ private:
     bool m_resize_lock; ///< to lock rearrangeItems or not
     /// observers for various signals
     std::vector<FbTk::Observer*> m_observers;
+    FbTk::SignalTracker m_signal_tracker;
 };