Added Mac-like window switching for one app with keyboard shortcut Alt-~.

This resolves bug report 869.
Thanks to Calvin Morrison.

twin/tabbox.cpp

@@ -47,6 +47,7 @@ TabBox::TabBox( Workspace *ws, const char *name )
     setLineWidth(2);
     setMargin(2);
 
+    appsOnly = false;
     showMiniIcon = false;
 
     no_tasks = i18n("*** No Windows ***");
@@ -86,6 +87,14 @@ void TabBox::setMode( Mode mode )
     m = mode;
     }
 
+/*! 
+  Sets AppsOnly, which when true, createClientList will return only applications within the same class
+
+  */
+void TabBox::setAppsOnly( bool a )
+    {
+    appsOnly = a;
+    }
 
 /*!
   Create list of clients on specified desktop, starting with client c
@@ -93,11 +102,14 @@ void TabBox::setMode( Mode mode )
 void TabBox::createClientList(ClientList &list, int desktop /*-1 = all*/, Client *c, bool chain)
     {
     ClientList::size_type idx = 0;
-
+    TQString startClass;
     list.clear();
 
     Client* start = c;
 
+    if( start ) 
+        startClass = start->resourceClass();
+
     if ( chain )
         c = workspace()->nextFocusChainClient(c);
     else
@@ -121,6 +133,10 @@ void TabBox::createClientList(ClientList &list, int desktop /*-1 = all*/, Client
                 // nothing
                 }
             }
+        if(appsOnly && (TQString::compare( startClass, c->resourceClass()) != 0))
+            {
+            add = NULL;
+            }
 
         if( options->separateScreenFocus && options->xineramaEnabled )
             {
@@ -645,6 +661,7 @@ void TabBox::hide()
     XEvent otherEvent;
     while (XCheckTypedEvent (tqt_xdisplay(), EnterNotify, &otherEvent ) )
         ;
+    appsOnly = false;
     }
 
 
@@ -893,6 +910,18 @@ void Workspace::slotWalkBackThroughWindows()
         }
     }
 
+void Workspace::slotWalkThroughApps()
+    {  
+    tab_box->setAppsOnly(true);
+  slotWalkThroughWindows();
+    }
+
+void Workspace::slotWalkBackThroughApps() 
+    {
+    tab_box->setAppsOnly(true);  
+    slotWalkBackThroughWindows();
+    }
+
 void Workspace::slotWalkThroughDesktops()
     {
     if ( root != tqt_xrootwin() )
@@ -1112,18 +1141,33 @@ void Workspace::tabBoxKeyPress( const KKeyNative& keyX )
     {
     bool forward = false;
     bool backward = false;
+    bool forwardapps = false;
+    bool backwardapps = false;
 
     if (tab_grab)
         {
         forward = cutWalkThroughWindows.contains( keyX );
         backward = cutWalkThroughWindowsReverse.contains( keyX );
-        if (forward || backward)
+
+        forwardapps = cutWalkThroughApps.contains( keyX );      
+        backwardapps = cutWalkThroughAppsReverse.contains( keyX );
+
+        if ( (forward || backward) && (!tab_box->isAppsOnly()) )
             {
             kdDebug(125) << "== " << cutWalkThroughWindows.toStringInternal()
                 << " or " << cutWalkThroughWindowsReverse.toStringInternal() << endl;
+
             KDEWalkThroughWindows( forward );
             }
-        }
+        
+       if ( (forwardapps || backwardapps) && (tab_box->isAppsOnly()) )
+            {
+            kdDebug(125) << "== " << cutWalkThroughWindows.toStringInternal()
+                << " or " << cutWalkThroughWindowsReverse.toStringInternal() << endl;
+            KDEWalkThroughWindows( forwardapps );
+            }
+       }
+    
     else if (control_grab)
         {
         forward = cutWalkThroughDesktops.contains( keyX ) ||

twin/tabbox.h

@@ -35,13 +35,15 @@ class TabBox : public TQFrame
         Client* currentClient();
         void setCurrentClient( Client* c );
         int currentDesktop();
-
+        
     // DesktopMode and WindowsMode are based on the order in which the desktop
     //  or window were viewed.
     // DesktopListMode lists them in the order created.
         enum Mode { DesktopMode, DesktopListMode, WindowsMode };
         void setMode( Mode mode );
+        void setAppsOnly( bool a );
         Mode mode() const;
+        bool isAppsOnly() const;
 
         void reset();
         void nextPrev( bool next = TRUE);
@@ -72,6 +74,7 @@ class TabBox : public TQFrame
         int desk;
         int lineHeight;
         bool showMiniIcon;
+        bool appsOnly;
         TQTimer delayedShowTimer;
         TQString no_tasks;
         bool options_traverse_all;
@@ -97,6 +100,17 @@ inline TabBox::Mode TabBox::mode() const
     return m;
     }
 
+/*! 
+  Returns the appsOnly variable
+
+  \sa setAppsOnly()
+  */
+inline bool TabBox::isAppsOnly() const
+    {
+    return appsOnly;
+    }
+
+
 } // namespace
 
 #endif

twin/twinbindings.cpp

@@ -20,6 +20,8 @@
 	keys->insert( "Group:Navigation", i18n("Navigation") );
 	DEF( I18N_NOOP("Walk Through Windows"),                ALT+Qt::Key_Tab, ALT+Qt::Key_Tab, slotWalkThroughWindows() );
 	DEF( I18N_NOOP("Walk Through Windows (Reverse)"),      ALT+SHIFT+Qt::Key_Tab, ALT+SHIFT+Qt::Key_Tab, slotWalkBackThroughWindows() );
+  DEF( I18N_NOOP("Walk Through Windows of Same Application"),                ALT+Qt::Key_QuoteLeft, ALT+Qt::Key_QuoteLeft, slotWalkThroughApps() );
+  DEF( I18N_NOOP("Walk Through Windows of Same Application (Reverse)"),      ALT+Qt::Key_AsciiTilde, ALT+Qt::Key_AsciiTilde, slotWalkBackThroughApps() );
 	DEF( I18N_NOOP("Walk Through Desktops"),               0, WIN+Qt::Key_Tab, slotWalkThroughDesktops() );
 	DEF( I18N_NOOP("Walk Through Desktops (Reverse)"),     0, WIN+SHIFT+Qt::Key_Tab, slotWalkBackThroughDesktops() );
 	DEF( I18N_NOOP("Walk Through Desktop List"),           0, 0, slotWalkThroughDesktopList() );

twin/useractions.cpp

@@ -279,6 +279,8 @@ void Workspace::readShortcuts()
     cutWalkThroughDesktopListReverse = keys->shortcut("Walk Through Desktop List (Reverse)");
     cutWalkThroughWindows = keys->shortcut("Walk Through Windows");
     cutWalkThroughWindowsReverse = keys->shortcut("Walk Through Windows (Reverse)");
+    cutWalkThroughApps = keys->shortcut("Walk Through Windows of Same Application");
+    cutWalkThroughAppsReverse = keys->shortcut("Walk Through Windows of Same Application (Reverse)");
 
     keys->updateConnections();
     disable_shortcuts_keys->updateConnections();

twin/workspace.h

@@ -343,6 +343,9 @@ class Workspace : public TQObject, public KWinInterface, public KDecorationDefin
 
         void slotWalkThroughDesktops();
         void slotWalkBackThroughDesktops();
+        void slotWalkThroughApps();
+        void slotWalkBackThroughApps();
+
         void slotWalkThroughDesktopList();
         void slotWalkBackThroughDesktopList();
         void slotWalkThroughWindows();
@@ -565,6 +568,7 @@ class Workspace : public TQObject, public KWinInterface, public KDecorationDefin
         KShortcut cutWalkThroughDesktops, cutWalkThroughDesktopsReverse;
         KShortcut cutWalkThroughDesktopList, cutWalkThroughDesktopListReverse;
         KShortcut cutWalkThroughWindows, cutWalkThroughWindowsReverse;
+        KShortcut cutWalkThroughApps, cutWalkThroughAppsReverse;
         bool mouse_emulation;
         unsigned int mouse_emulation_state;
         WId mouse_emulation_window;