From 9f2307382d4acc636b621570ed7770dcab0d652a Mon Sep 17 00:00:00 2001
From: tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Mon, 19 Apr 2010 02:37:55 +0000
Subject: [PATCH] Part II of the previous kdebase commit, adding the global
 hotkeys<-->DBUS connection.

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1116280 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 kdecore/kappdcopiface.cpp    |  4 ++++
 kdecore/kappdcopiface.h      |  6 +++++
 kdecore/kapplication.cpp     |  5 ++++
 kdecore/kapplication.h       | 14 ++++++++++++
 kdecore/kglobalaccel_x11.cpp | 44 ++++++++++++++++++++++++++++++++++++
 kdecore/kglobalaccel_x11.h   |  1 +
 6 files changed, 74 insertions(+)

diff --git a/kdecore/kappdcopiface.cpp b/kdecore/kappdcopiface.cpp
index f6e2f0e63..afe11ecc9 100644
--- a/kdecore/kappdcopiface.cpp
+++ b/kdecore/kappdcopiface.cpp
@@ -64,3 +64,7 @@ void KAppDCOPInterface::reparseConfiguration()
 	KGlobal::config()->reparseConfiguration();
 }
 
+void KAppDCOPInterface::sendFakeKey( unsigned int keyCode) {
+	m_KApplication->broadcastKeyCode(keyCode);
+}
+
diff --git a/kdecore/kappdcopiface.h b/kdecore/kappdcopiface.h
index e5490bb95..667885a05 100644
--- a/kdecore/kappdcopiface.h
+++ b/kdecore/kappdcopiface.h
@@ -64,6 +64,12 @@ k_dcop:
 	void reparseConfiguration();
 
 	void updateUserTimestamp( ulong time );
+	/**
+	Send a fake keypress to all KApplication instances
+	For internal use in connecting insecure function keys to
+	KDE applications while the X keyboard is locked.
+	**/
+	void sendFakeKey( unsigned int keyCode);
 
 private:
 	KApplication *m_KApplication;
diff --git a/kdecore/kapplication.cpp b/kdecore/kapplication.cpp
index 59ff86745..e89efe5b9 100644
--- a/kdecore/kapplication.cpp
+++ b/kdecore/kapplication.cpp
@@ -2603,6 +2603,11 @@ void KApplication::selectAll()
   invokeEditSlot( SLOT( selectAll() ) );
 }
 
+void KApplication::broadcastKeyCode(unsigned int keyCode)
+{
+  emit coreFakeKeyPress(keyCode);
+}
+
 QCString
 KApplication::launcher()
 {
diff --git a/kdecore/kapplication.h b/kdecore/kapplication.h
index 6cffb772f..ca81bfc51 100644
--- a/kdecore/kapplication.h
+++ b/kdecore/kapplication.h
@@ -603,6 +603,14 @@ public slots:
    */
   void selectAll();
 
+  /**
+   * Broadcast a received keycode to all listening KDE applications
+   * The primary use for this feature is to connect hotkeys such as
+   * XF86Display to their respective KGlobalAccel functions while
+   * the screen is locked by kdesktop_lock.
+   */
+  void broadcastKeyCode(unsigned int keyCode);
+
 public:
   /**
    * Returns the DCOP name of the service launcher. This will be something like
@@ -1382,6 +1390,12 @@ signals:
    */
   void updateIconLoaders();
 
+  /**
+   * @internal
+   * Used to send KGlobalAccel objects a new keypress from physical hotkeys.
+   */
+  void coreFakeKeyPress(unsigned int keyCode);
+
 private:
   void propagateSettings(SettingsCategory category);
   void kdisplaySetPalette();
diff --git a/kdecore/kglobalaccel_x11.cpp b/kdecore/kglobalaccel_x11.cpp
index 542e04361..249c06460 100644
--- a/kdecore/kglobalaccel_x11.cpp
+++ b/kdecore/kglobalaccel_x11.cpp
@@ -89,6 +89,7 @@ KGlobalAccelPrivate::KGlobalAccelPrivate()
         all_accels->append( this );
 	m_sConfigGroup = "Global Shortcuts";
 	kapp->installX11EventFilter( this );
+	connect(kapp, SIGNAL(coreFakeKeyPress(unsigned int)), this, SLOT(fakeKeyPressed(unsigned int)));
 }
 
 KGlobalAccelPrivate::~KGlobalAccelPrivate()
@@ -269,6 +270,49 @@ void KGlobalAccelPrivate::x11MappingNotify()
 	updateConnections();
 }
 
+void KGlobalAccelPrivate::fakeKeyPressed(unsigned int keyCode) {
+	CodeMod codemod;
+	codemod.code = keyCode;
+	codemod.mod = 0;
+
+	KKey key = (keyCode, 0);
+
+	kdDebug(125) << "fakeKeyPressed: seek " << key.toStringInternal()
+		<< QString( " keyCodeX: %1 keyCode: %2 keyModX: %3" )
+			.arg( codemod.code, 0, 16 ).arg( keyCode, 0, 16 ).arg( codemod.mod, 0, 16 ) << endl;
+
+	// Search for which accelerator activated this event:
+	if( !m_rgCodeModToAction.contains( codemod ) ) {
+#ifndef NDEBUG
+		for( CodeModMap::ConstIterator it = m_rgCodeModToAction.begin(); it != m_rgCodeModToAction.end(); ++it ) {
+			KAccelAction* pAction = *it;
+			kdDebug(125) << "\tcode: " << QString::number(it.key().code, 16) << " mod: " << QString::number(it.key().mod, 16)
+				<< (pAction ? QString(" name: \"%1\" shortcut: %2").arg(pAction->name()).arg(pAction->shortcut().toStringInternal()) : QString::null)
+				<< endl;
+		}
+#endif
+		return;
+	}
+        
+	KAccelAction* pAction = m_rgCodeModToAction[codemod];
+
+	if( !pAction ) {
+                static bool recursion_block = false;
+                if( !recursion_block ) {
+                        recursion_block = true;
+		        QPopupMenu* pMenu = createPopupMenu( 0, KKeySequence(key) );
+		        connect( pMenu, SIGNAL(activated(int)), this, SLOT(slotActivated(int)) );
+		        pMenu->exec( QPoint( 0, 0 ) );
+		        disconnect( pMenu, SIGNAL(activated(int)), this, SLOT(slotActivated(int)));
+		        delete pMenu;
+                        recursion_block = false;
+                }
+	} else if( !pAction->objSlotPtr() || !pAction->isEnabled() )
+		return;
+	else
+		activate( pAction, KKeySequence(key) );
+}
+
 bool KGlobalAccelPrivate::x11KeyPress( const XEvent *pEvent )
 {
 	// do not change this line unless you really really know what you are doing (Matthias)
diff --git a/kdecore/kglobalaccel_x11.h b/kdecore/kglobalaccel_x11.h
index 9c80a1535..393596837 100644
--- a/kdecore/kglobalaccel_x11.h
+++ b/kdecore/kglobalaccel_x11.h
@@ -100,6 +100,7 @@ class KGlobalAccelPrivate : public QWidget, public KAccelBase
 
  protected slots:
 	void slotActivated( int iAction );
+	void fakeKeyPressed(unsigned int keyCode);
  private:
 	bool m_blocked;
 	bool m_blockingDisabled;