From ae0bac5c42c4fd1c907962da917dcda3d16fd3aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <kde@martin-graesslin.com>
Date: Tue, 30 Jun 2009 19:11:02 +0000
Subject: [PATCH] New mode for present windows effect: selecting all windows of
 same class as active window.

svn path=/trunk/KDE/kdebase/workspace/; revision=989722
---
 effects/presentwindows/presentwindows.cpp     | 25 +++++++++++++++++++
 effects/presentwindows/presentwindows.h       |  7 +++++-
 .../presentwindows/presentwindows_config.cpp  |  5 ++++
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/effects/presentwindows/presentwindows.cpp b/effects/presentwindows/presentwindows.cpp
index 89d2ae40fe..894ba34a51 100644
--- a/effects/presentwindows/presentwindows.cpp
+++ b/effects/presentwindows/presentwindows.cpp
@@ -84,6 +84,12 @@ PresentWindowsEffect::PresentWindowsEffect()
     shortcutAll = b->globalShortcut();
     connect( b, SIGNAL( triggered(bool) ), this, SLOT( toggleActiveAllDesktops() ));
     connect( b, SIGNAL( globalShortcutChanged(QKeySequence) ), this, SLOT( globalShortcutChangedAll(QKeySequence)));
+    KAction* c = ( KAction* )actionCollection->addAction( "ExposeClass" );
+    c->setText( i18n( "Toggle Present Windows (Window class)" ));
+    c->setGlobalShortcut( KShortcut( Qt::CTRL + Qt::Key_F7 ));
+    connect( c, SIGNAL( triggered(bool) ), this, SLOT( toggleActiveClass() ));
+    connect( c, SIGNAL( globalShortcutChanged(QKeySequence) ), this, SLOT( globalShortcutChangedClass(QKeySequence)));
+    shortcutClass = c->globalShortcut();
     reconfigure( ReconfigureAll );
     }
 
@@ -154,6 +160,13 @@ const void* PresentWindowsEffect::proxy() const
     return &m_proxy;
     }
 
+void PresentWindowsEffect::toggleActiveClass()
+{
+    m_mode = ModeWindowClass;
+    m_class = effects->activeWindow()->windowClass();
+    setActive( !m_activated );
+}
+
 //-----------------------------------------------------------------------------
 // Screen painting
 
@@ -522,6 +535,11 @@ void PresentWindowsEffect::grabbedKeyboardEvent( QKeyEvent *e )
             toggleActiveAllDesktops();
             return;
             }
+        if( m_mode == ModeWindowClass && shortcutClass.contains( e->key() + e->modifiers() ) )
+            {
+            toggleActiveClass();
+            return;
+            }
 
         switch( e->key() )
             { // Wrap only if not auto-repeating
@@ -1556,6 +1574,8 @@ bool PresentWindowsEffect::isSelectableWindow( EffectWindow *w )
             return w->isOnDesktop( m_desktop );
         case ModeWindowGroup:
             return m_selectedWindows.contains( w );
+        case ModeWindowClass:
+            return m_class == w->windowClass();
         }
     if( !m_tabBoxEnabled && m_ignoreMinimized && w->isMinimized() )
         return false;
@@ -1776,6 +1796,11 @@ void PresentWindowsEffect::globalShortcutChangedAll( const QKeySequence& seq )
     shortcutAll = KShortcut( seq );
     }
 
+void PresentWindowsEffect::globalShortcutChangedClass( const QKeySequence& seq )
+    {
+    shortcutClass = KShortcut( seq );
+    }
+
 } // namespace
 
 #include "presentwindows.moc"
diff --git a/effects/presentwindows/presentwindows.h b/effects/presentwindows/presentwindows.h
index 8a7d9dae82..60b726986e 100644
--- a/effects/presentwindows/presentwindows.h
+++ b/effects/presentwindows/presentwindows.h
@@ -95,7 +95,8 @@ class PresentWindowsEffect
             ModeAllDesktops, // Shows windows of all desktops
             ModeCurrentDesktop, // Shows windows on current desktop
             ModeSelectedDesktop, // Shows windows of selected desktop via property (m_desktop)
-            ModeWindowGroup // Shows windows selected via property
+            ModeWindowGroup, // Shows windows selected via property
+            ModeWindowClass // Shows all windows of same class as selected class
             };
         enum WindowMouseAction
             {
@@ -119,11 +120,13 @@ class PresentWindowsEffect
         void setActive( bool active, bool closingTab = false ); // HACK: closingTab shouldn't be needed
         void toggleActive()  { m_mode = ModeCurrentDesktop; setActive( !m_activated ); }
         void toggleActiveAllDesktops()  { m_mode = ModeAllDesktops; setActive( !m_activated ); }
+        void toggleActiveClass();
 
         // slots for global shortcut changed
         // needed to toggle the effect
         void globalShortcutChanged( const QKeySequence& seq );
         void globalShortcutChangedAll( const QKeySequence& seq );
+        void globalShortcutChangedClass( const QKeySequence& seq );
 
     protected:
         // Window rearranging
@@ -184,6 +187,7 @@ class PresentWindowsEffect
         int m_desktop;
         EffectWindowList m_selectedWindows;
         EffectWindow *m_managerWindow;
+        QString m_class;
 
         // Window data
         WindowMotionManager m_motionManager;
@@ -200,6 +204,7 @@ class PresentWindowsEffect
         // Shortcut - needed to toggle the effect
         KShortcut shortcut;
         KShortcut shortcutAll;
+        KShortcut shortcutClass;
 
         // Atoms
         // Present windows for all windows of given desktop
diff --git a/effects/presentwindows/presentwindows_config.cpp b/effects/presentwindows/presentwindows_config.cpp
index 136313a927..35783cf3ad 100644
--- a/effects/presentwindows/presentwindows_config.cpp
+++ b/effects/presentwindows/presentwindows_config.cpp
@@ -64,6 +64,11 @@ PresentWindowsEffectConfig::PresentWindowsEffectConfig(QWidget* parent, const QV
     b->setProperty( "isConfigurationAction", true );
     b->setGlobalShortcut( KShortcut( Qt::CTRL + Qt::Key_F9 ));
 
+    KAction* c = ( KAction* )m_actionCollection->addAction( "ExposeClass" );
+    c->setText( i18n( "Toggle Present Windows (Window class)" ));
+    c->setProperty( "isConfigurationAction", true );
+    c->setGlobalShortcut( KShortcut( Qt::CTRL + Qt::Key_F7 ));
+
     m_ui->shortcutEditor->addCollection( m_actionCollection );
 
     connect( m_ui->layoutCombo, SIGNAL( currentIndexChanged( int )), this, SLOT( changed() ));