Remove callbacks and accelerator keys from FDialogListMenu on closing a dialog window

ChangeLog

@@ -1,3 +1,10 @@
+2016-07-23  Markus Gans  <guru.mail@muenster.de>
+	* Add missing null pointer check in FOptiAttr before dereferencing
+	* Remove callbacks and accelerator keys from FDialogListMenu
+	  on closing of a dialog window
+	* Execute accelerator keys only once
+	* Improved window focus behavior
+
 2016-07-23  Markus Gans  <guru.mail@muenster.de>
 	* Add a modifier key correction for the linux tty
 	* Support to read meta+enter from keyboard

src/fapp.cpp

@@ -393,17 +393,20 @@ void FApplication::processKeyboardEvent()
                && ! k_press_ev.isAccepted()
                && ! k_down_ev.isAccepted() )
             {
+              bool accpt = false;
+              // switch to a specific dialog with Meta + 1..9
+              if ( ! accpt )
+                accpt = processDialogSwitchAccelerator();
+
               // windows keyboard accelerator
               FWidget* window = static_cast<FWidget*>(active_window);
 
-              if ( window )
-                processAccelerator (window);
+              if ( window && ! accpt )
+                accpt = processAccelerator (window);
 
               // global keyboard accelerator
-              processAccelerator (getRootWidget());
-
-              // switch to a specific dialog with Meta + 1..9
-              processDialogSwitchAccelerator();
+              if ( ! accpt )
+                accpt = processAccelerator (getRootWidget());
             }
           } // end of else
         }
@@ -715,7 +718,7 @@ int FApplication::modifierKeyCorrection (int& key_id)
 }
 
 //----------------------------------------------------------------------
-void FApplication::processDialogSwitchAccelerator()
+bool FApplication::processDialogSwitchAccelerator()
 {
   if ( key >= fc::Fmkey_1 && key <= fc::Fmkey_9 )
   {
@@ -726,13 +729,18 @@ void FApplication::processDialogSwitchAccelerator()
     {
       FAccelEvent a_ev (fc::Accelerator_Event, focus_widget);
       sendEvent (dialog_list->at(n-1), &a_ev);
-    }
+      return true;
     }
   }
 
+  return false;
+}
+
 //----------------------------------------------------------------------
-void FApplication::processAccelerator (FWidget* widget)
+bool FApplication::processAccelerator (FWidget* widget)
 {
+  bool accpt = false;
+
   if ( widget
      && widget->accelerator_list
      && ! widget->accelerator_list->empty() )
@@ -750,12 +758,15 @@ void FApplication::processAccelerator (FWidget* widget)
       {
         FAccelEvent a_ev (fc::Accelerator_Event, focus_widget);
         sendEvent (iter->object, &a_ev);
+        accpt = a_ev.isAccepted();
         break;
       };
 
       ++iter;
     }
   }
+
+  return accpt;
 }
 
 //----------------------------------------------------------------------

src/fapp.h

@@ -125,8 +125,8 @@ class FApplication : public FWidget
    ssize_t readKey();
    void    processKeyboardEvent();
    int     modifierKeyCorrection (int& key);
-   void    processDialogSwitchAccelerator();
-   void    processAccelerator (FWidget*);
+   bool    processDialogSwitchAccelerator();
+   bool    processAccelerator (FWidget*);
    void    getX11ButtonState (int);
    bool    parseX11Mouse();
    bool    parseSGRMouse();

src/fmenu.cpp

@@ -1026,10 +1026,7 @@ void FMenu::onKeyPress (FKeyEvent* ev)
         if ( statusBar() )
           statusBar()->clearMessage();
 
-        activatePrevWindow();
-        raiseWindow (getActiveWindow());
-        getActiveWindow()->getFocusWidget()->setFocus();
-        getActiveWindow()->redraw();
+        switchToPrevWindow();
       }
 
       if ( statusBar() )

src/fmenubar.cpp

@@ -644,7 +644,7 @@ void FMenuBar::onMouseDown (FMouseEvent* ev)
             (*iter)->setSelected();
             (*iter)->setFocus();
 
-            if ( focused_widget )
+            if ( focused_widget && ! focused_widget->isWindow() )
               focused_widget->redraw();
 
             (*iter)->openMenu();
@@ -820,7 +820,7 @@ void FMenuBar::onMouseMove (FMouseEvent* ev)
           (*iter)->setSelected();
           (*iter)->setFocus();
 
-          if ( focused_widget )
+          if ( focused_widget && ! focused_widget->isWindow() )
             focused_widget->redraw();
 
           (*iter)->openMenu();

src/fmenuitem.cpp

@@ -280,6 +280,13 @@ void FMenuItem::createDialogList (FMenu* winmenu)
           _METHOD_CALLBACK (this, &FMenuItem::cb_switchToDialog),
           dynamic_cast<FWidget::data_ptr>(win)
         );
+
+        win->addCallback
+        (
+          "destroy",
+          _METHOD_CALLBACK (this, &FMenuItem::cb_destroyDialog),
+          static_cast<FWidget::data_ptr>(win_item)
+        );
       }
 
       ++iter;
@@ -307,6 +314,19 @@ void FMenuItem::cb_switchToDialog (FWidget*, void* data_ptr)
   }
 }
 
+//----------------------------------------------------------------------
+void FMenuItem::cb_destroyDialog (FWidget* widget, void* data_ptr)
+{
+  FDialog* win = static_cast<FDialog*>(widget);
+  FMenuItem* win_item  = static_cast<FMenuItem*>(data_ptr);
+
+  if ( win_item && win )
+  {
+    win_item->delAccelerator(win);
+    win_item->delCallback(this);
+  }
+}
+
 //----------------------------------------------------------------------
 void FMenuItem::processClicked()
 {

src/fmenuitem.h

@@ -65,6 +65,7 @@ class FMenuItem : public FWidget
    void       processDeactivate();
    void       createDialogList (FMenu*);
    void       cb_switchToDialog (FWidget*, void*);
+   void       cb_destroyDialog (FWidget*, void*);
    virtual void processClicked();
 
  protected:

src/fwindow.cpp

@@ -396,14 +396,13 @@ void FWindow::switchToPrevWindow()
     if ( ! active_window->isActiveWindow() )
       setActiveWindow(active_window);
 
-    raiseWindow (active_window);
-
-    if ( focus_widget )
+    if ( focus_widget && ! focus_widget->isWindow() )
+    {
       focus_widget->setFocus();
-
       active_window->redraw();
     }
   }
+}
 
 //----------------------------------------------------------------------
 bool FWindow::activatePrevWindow()