Changed workspace area signal to use the new signal system

ChangeLog

@@ -1,7 +1,9 @@
  (Format: Year/Month/Day)
 Changes for 1.1.2
 *08/09/28:
-   * Change focused window signal to use the new signal system (Henrik)
+   * 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)
      FbTk/Signal.hh, FocusControl.cc, FocusableList.hh/cc, Screen.hh/cc
      Window.hh/cc, fluxbox.hh/cc
 *08/09/25:

src/Screen.cc

@@ -339,7 +339,6 @@ BScreen::BScreen(FbTk::ResourceManager &rm,
                  const string &screenname,
                  const string &altscreenname,
                  int scrn, int num_layers) :
-    m_workspace_area_sig(*this), // workspace area signal
     m_reconfigure_sig(*this), // reconfigure signal
     m_resize_sig(*this),
     m_layermanager(num_layers),
@@ -1453,7 +1452,7 @@ void BScreen::updateAvailableWorkspaceArea() {
     }
 
     if (updated)
-        m_workspace_area_sig.notify();
+        m_workspace_area_sig.emit(*this);
 }
 
 void BScreen::addWorkspaceName(const char *name) {
@@ -1933,7 +1932,7 @@ void BScreen::updateSize() {
 
     // send resize notify
     m_resize_sig.notify();
-    m_workspace_area_sig.notify();
+    m_workspace_area_sig.emit(*this);
 
     // move windows out of inactive heads
     clearHeads();

src/Screen.hh

@@ -219,7 +219,7 @@ public:
     /// workspace names signal
     ScreenSignal &workspaceNamesSig() { return m_workspacenames_sig; }
     /// workspace area signal
-    FbTk::Subject &workspaceAreaSig() { return m_workspace_area_sig; }
+    ScreenSignal &workspaceAreaSig() { return m_workspace_area_sig; }
     /// current workspace signal
     ScreenSignal &currentWorkspaceSig() { return m_currentworkspace_sig; }
     /// focused window signal
@@ -494,11 +494,11 @@ private:
     const Strut* availableWorkspaceArea(int head) const;
 
     ScreenSubject
-        m_workspace_area_sig, ///< workspace area changed 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_workspace_area_sig; ///< workspace area changed signal
     ScreenSignal m_iconlist_sig; ///< notify if a window gets iconified/deiconified
     ScreenSignal m_clientlist_sig;  ///< client signal
     ScreenSignal m_bg_change_sig; ///< background change signal

src/Window.cc

@@ -1488,9 +1488,10 @@ void FluxboxWindow::attachWorkAreaSig() {
     // notify when struts change, so we can resize accordingly
     // Subject checks for duplicates for us
     if (m_state.maximized || m_state.fullscreen)
-        screen().workspaceAreaSig().attach(this);
+        join(screen().workspaceAreaSig(),
+             FbTk::MemFun(*this, &FluxboxWindow::workspaceAreaChanged));
     else
-        screen().workspaceAreaSig().detach(this);
+        leave(screen().workspaceAreaSig());
 }
 
 /**
@@ -2729,14 +2730,16 @@ void FluxboxWindow::update(FbTk::Subject *subj) {
     } else if (subj == &m_theme.reconfigSig()) {
         frame().applyDecorations();
         sendConfigureNotify();
-    } else if (subj == &screen().workspaceAreaSig()) {
-        frame().applyState();
     } else if (m_initialized && subj == &m_frame.frameExtentSig()) {
         Fluxbox::instance()->updateFrameExtents(*this);
         sendConfigureNotify();
     }
 }
 
+void FluxboxWindow::workspaceAreaChanged(BScreen &screen) {
+    frame().applyState();
+}
+
 // commit current decoration values to actual displayed things
 void FluxboxWindow::applyDecorations() {
     frame().setDecorationMask(decorationMask());

src/Window.hh

@@ -526,6 +526,9 @@ private:
     void associateClient(WinClient &client);
     /// Called when focused changed, and is attached when it is not in fullscreen mode
     void focusedWindowChanged(BScreen &screen, FluxboxWindow *focused_win, WinClient* client);
+    /// Called when workspace area on screen changed.
+    void workspaceAreaChanged(BScreen &screen);
+
 
     // state and hint signals
     WinSubject m_hintsig,

src/fluxbox.cc

@@ -453,7 +453,9 @@ void Fluxbox::initScreen(BScreen *screen) {
     screen->initWindows();
 
     // attach screen signals to this
-    screen->workspaceAreaSig().attach(this);
+
+    join(screen->workspaceAreaSig(),
+         FbTk::MemFun(*this, &Fluxbox::workspaceAreaChanged));
 
     join(screen->focusedWindowSig(),
          FbTk::MemFun(*this, &Fluxbox::focusedWindowChanged));
@@ -1104,16 +1106,6 @@ void Fluxbox::update(FbTk::Subject *changedsub) {
         }
 
         screen.removeClient(*client);
-    } else if (typeid(*changedsub) == typeid(BScreen::ScreenSubject)) {
-        BScreen::ScreenSubject *subj = dynamic_cast<BScreen::ScreenSubject *>(changedsub);
-        BScreen &screen = subj->screen();
-        if ((&(screen.workspaceAreaSig())) == changedsub) {
-            for (AtomHandlerContainerIt it= m_atomhandler.begin();
-                 it != m_atomhandler.end(); ++it) {
-                if ((*it).first->update())
-                    (*it).first->updateWorkarea(screen);
-            }
-        }
     }
 }
 
@@ -1540,3 +1532,11 @@ void Fluxbox::focusedWindowChanged(BScreen &screen,
         (*it).first->updateFocusedWindow(screen, client ? client->window() : 0 );
     }
 }
+
+void Fluxbox::workspaceAreaChanged(BScreen &screen) {
+    for (AtomHandlerContainerIt it= m_atomhandler.begin();
+         it != m_atomhandler.end(); ++it) {
+        if ((*it).first->update())
+            (*it).first->updateWorkarea(screen);
+    }
+}

src/fluxbox.hh

@@ -214,6 +214,9 @@ private:
                               FluxboxWindow* win,
                               WinClient* client);
 
+    /// Called when the workspace area changed.
+    void workspaceAreaChanged(BScreen &screen);
+
     std::auto_ptr<FbAtoms> m_fbatoms;
 
     FbTk::ResourceManager m_resourcemanager, &m_screen_rm;