Added Ctrl+[movement keys] for keyboard navigation between desktops.

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>
(cherry picked from commit 0267f1cf497043a04a5367a33a0d66ae5e879705)

1 files changed, 113 insertions, 2 deletions

diff --git a/src/komposefullscreenwidget.cpp b/src/komposefullscreenwidget.cpp
index 4fdda7f..f54c633 100644
--- a/src/komposefullscreenwidget.cpp
+++ b/src/komposefullscreenwidget.cpp
@@ -33,6 +33,7 @@
 #include <kdebug.h>
 #include <krootpixmap.h>
 
+static bool controlHold = false; // is the control key pressed
 
 KomposeFullscreenWidget::KomposeFullscreenWidget( int displayType, KomposeLayout *l )
     : KomposeTaskContainerWidget( -1, 0, l ),
@@ -160,7 +161,8 @@ void KomposeFullscreenWidget::createDesktopWidgets()
     //int col = i % 2;
     //kdDebug() << "rc %d %d", row, col);
     KomposeDesktopWidget *desktop = new KomposeDesktopWidget(i, this );
-    connect(desktop, SIGNAL(contentsChanged()), layout, SLOT(arrangeLayout()) );
+    connect( desktop, SIGNAL(contentsChanged()), layout, SLOT(arrangeLayout()) );
+    connect( desktop, SIGNAL(activated(KomposeDesktopWidget*)), this, SLOT(desktopChanged(KomposeDesktopWidget*)) );
     desktop->show();
   }
 }
@@ -190,7 +192,16 @@ void KomposeFullscreenWidget::mousePressEvent ( TQMouseEvent * e )
   }
 }
 
-void KomposeFullscreenWidget::keyReleaseEvent ( TQKeyEvent * e )
+void KomposeFullscreenWidget::keyPressEvent( TQKeyEvent *e )
+{
+  if ( e->key() == TQt::Key_Control )
+  {
+    controlHold = true;
+    e->accept();
+  }
+}
+
+void KomposeFullscreenWidget::keyReleaseEvent ( TQKeyEvent *e )
 {
   if ( e->key() == TQt::Key_Escape )
   {
@@ -198,14 +209,114 @@ void KomposeFullscreenWidget::keyReleaseEvent ( TQKeyEvent * e )
     KomposeViewManager::instance()->closeCurrentView();
     e->accept();
   }
+
+  else if ( e->key() == TQt::Key_Control )
+  {
+    controlHold = false;
+    e->accept();
+    return;
+  }
+
+  // Movement keys
+  else if ( e->key() == TQt::Key_Right || e->key() == TQt::Key_D || e->key() == TQt::Key_H ||
+            e->key() == TQt::Key_Left  || e->key() == TQt::Key_A || e->key() == TQt::Key_J ||
+            e->key() == TQt::Key_Up    || e->key() == TQt::Key_W || e->key() == TQt::Key_K ||
+            e->key() == TQt::Key_Down  || e->key() == TQt::Key_S || e->key() == TQt::Key_L )
+  {
+        // Map keys to directions
+    int direction = DLAYOUT_RIGHT;
+    switch( e->key() )
+    {
+    case TQt::Key_Right:
+      direction = DLAYOUT_RIGHT;
+      break;
+    case TQt::Key_D:
+      direction = DLAYOUT_RIGHT;
+      break;
+    case TQt::Key_L:
+      direction = DLAYOUT_RIGHT;
+      break;
+    case TQt::Key_Left:
+      direction = DLAYOUT_LEFT;
+      break;
+    case TQt::Key_A:
+      direction = DLAYOUT_LEFT;
+      break;
+    case TQt::Key_H:
+      direction = DLAYOUT_LEFT;
+      break;
+    case TQt::Key_Up:
+      direction = DLAYOUT_TOP;
+      break;
+    case TQt::Key_W:
+      direction = DLAYOUT_TOP;
+      break;
+    case TQt::Key_K:
+      direction = DLAYOUT_TOP;
+      break;
+    case TQt::Key_Down:
+      direction = DLAYOUT_BOTTOM;
+      break;
+    case TQt::Key_S:
+      direction = DLAYOUT_BOTTOM;
+      break;
+    case TQt::Key_J:
+      direction = DLAYOUT_BOTTOM;
+      break;
+    }
+
+    focusNeighbourDesk( direction );
+    e->accept();
+    return;
+  }
+
   else
   {
     kdDebug() << "KomposeFullscreenWidget::keyReleaseEvent - ignored..." << endl;
     e->ignore();
   }
+
   KomposeTaskContainerWidget::keyReleaseEvent(e);
 }
 
+bool KomposeFullscreenWidget::focusNeighbourDesk( int direction )
+{
+  bool successfull = false;
+  KomposeWidget *widget;
+  if ( ( widget = layout->getNeighbour( dynamic_cast<KomposeWidget*>(current), direction, WLAYOUT_BOTH  ) ) != 0 )
+  {
+    kdDebug() << "KomposeFullscreenWidget::keyReleaseEvent - Focussing " << widget->className() << endl;
+    dynamic_cast<KomposeDesktopWidget*>(widget)->setActive();
+    successfull = true;
+  }
+
+  return successfull;
+}
+
+void KomposeFullscreenWidget::desktopChanged( KomposeDesktopWidget* desk )
+{
+  kdDebug() << "KomposeFullscreenWidget: desktopChanged" << endl;
+  // Remove highlight from all other desks
+  const TQObjectList *lst = children();
+
+  if( lst )
+  {
+    TQObjectListIterator it( *lst );
+    TQWidget *widget;
+    while ( (widget = (TQWidget*)it.current() ) )
+    {
+      if ( widget->inherits("KomposeDesktopWidget") )
+      {
+        dynamic_cast<KomposeDesktopWidget*>(widget)->clearHighlight();
+      }
+      ++it;
+    }
+  }
+
+  desk->setHighlight();
+  current = desk;
+}
+
 int KomposeFullscreenWidget::getHeightForWidth ( int w ) const
 {
   return (int)(((double)w / (double)width()) * (double)height());