#include "keyinput-focus-manager-impl.h"
// EXTERNAL INCLUDES
+#include <cstring> // for strcmp
#include <dali/public-api/actors/layer.h>
#include <dali/public-api/common/stage.h>
+#include <dali/devel-api/common/stage-devel.h>
// INTERNAL INCLUDES
#include <dali-toolkit/public-api/controls/control-impl.h>
namespace Internal
{
+namespace
+{
+
+// Signals
+
+const char* const SIGNAL_KEY_INPUT_FOCUS_CHANGED = "keyInputFocusChanged";
+
+}
+
KeyInputFocusManager::KeyInputFocusManager()
-: mSlotDelegate( this )
+: mSlotDelegate( this ),
+ mCurrentFocusControl()
{
- Stage::GetCurrent().KeyEventSignal().Connect(mSlotDelegate, &KeyInputFocusManager::OnKeyEvent);
- mObjectRegistry = Dali::Stage::GetCurrent().GetObjectRegistry();
- mObjectRegistry.ObjectDestroyedSignal().Connect( this, &KeyInputFocusManager::OnObjectDestroyed );
+ DevelStage::KeyEventGeneratedSignal( Stage::GetCurrent() ).Connect(mSlotDelegate, &KeyInputFocusManager::OnKeyEvent);
}
KeyInputFocusManager::~KeyInputFocusManager()
return;
}
- FocusStackIterator pos = FindFocusControlInStack( control );
-
- if( ( mFocusStack.Count() != 0 ) && ( pos == mFocusStack.End()-1 ) )
+ if( control == mCurrentFocusControl )
{
- // Control already in front, so No-op
+ // Control already has focus
return;
}
- if( pos != mFocusStack.End() )
- {
- // A previously focused control wants to regain focus
- mFocusStack.Erase( pos );
- }
- else
- {
- control.OffStageSignal().Connect( mSlotDelegate, &KeyInputFocusManager::OnFocusControlStageDisconnection );
- }
+ control.OffStageSignal().Connect( mSlotDelegate, &KeyInputFocusManager::OnFocusControlStageDisconnection );
Dali::Toolkit::Control previousFocusControl = GetCurrentFocusControl();
if( previousFocusControl )
{
// Notify the control that it has lost key input focus
- previousFocusControl.GetImplementation().OnKeyInputFocusLost();
+ GetImplementation( previousFocusControl ).OnKeyInputFocusLost();
}
- mFocusStack.PushBack( &control.GetBaseObject() );
+ // Set control to currentFocusControl
+ mCurrentFocusControl = control;
// Tell the new actor that it has gained focus.
- control.GetImplementation().OnKeyInputFocusGained();
+ GetImplementation( control ).OnKeyInputFocusGained();
// Emit the signal to inform focus change to the application.
if ( !mKeyInputFocusChangedSignal.Empty() )
void KeyInputFocusManager::RemoveFocus( Toolkit::Control control )
{
- if( control )
+ if( control == mCurrentFocusControl )
{
- FocusStackIterator pos = FindFocusControlInStack( control );
- if( pos != mFocusStack.End() )
- {
- control.OffStageSignal().Disconnect( mSlotDelegate, &KeyInputFocusManager::OnFocusControlStageDisconnection );
+ control.OffStageSignal().Disconnect( mSlotDelegate, &KeyInputFocusManager::OnFocusControlStageDisconnection );
- // Notify the control that it has lost key input focus
- control.GetImplementation().OnKeyInputFocusLost();
+ // Notify the control that it has lost key input focus
+ GetImplementation( control ).OnKeyInputFocusLost();
- // If this is the top-most actor, pop it and change focus to the previous control
- if( pos == mFocusStack.End() - 1 )
- {
- mFocusStack.Erase( pos );
-
- Toolkit::Control previouslyFocusedControl = GetCurrentFocusControl();
- if( previouslyFocusedControl )
- {
- // Tell the control that it has gained focus.
- previouslyFocusedControl.GetImplementation().OnKeyInputFocusGained();
- }
- }
- else
- {
- // If the removed control is not currently focused, then no need to emit signal.
- mFocusStack.Erase( pos );
- }
- }
+ mCurrentFocusControl.Reset();
}
}
Toolkit::Control KeyInputFocusManager::GetCurrentFocusControl() const
{
- Toolkit::Control currentControl;
-
- FocusStack::SizeType count = mFocusStack.Count();
- if( count != 0 )
- {
- BaseObject* object = mFocusStack[ count - 1 ];
- BaseHandle handle( object );
- currentControl = Dali::Toolkit::Control::DownCast( handle );
- }
- return currentControl;
-}
-
-bool KeyInputFocusManager::IsKeyboardListener( Toolkit::Control control ) const
-{
- bool result = false;
-
- if( FindFocusControlInStack( control ) != mFocusStack.End() )
- {
- result = true;
- }
-
- return result;
+ return mCurrentFocusControl;
}
Toolkit::KeyInputFocusManager::KeyInputFocusChangedSignalType& KeyInputFocusManager::KeyInputFocusChangedSignal()
return mKeyInputFocusChangedSignal;
}
-Toolkit::KeyInputFocusManager::UnhandledKeyEventSignalType& KeyInputFocusManager::UnhandledKeyEventSignal()
+bool KeyInputFocusManager::OnKeyEvent( const KeyEvent& event )
{
- return mUnhandledKeyEventSignal;
-}
+ bool consumed = false;
-KeyInputFocusManager::FocusStackIterator KeyInputFocusManager::FindFocusControlInStack( Toolkit::Control control ) const
-{
- BaseObject* controlObject = &control.GetBaseObject();
- return std::find( mFocusStack.Begin(), mFocusStack.End(), controlObject );
+ Toolkit::Control control = GetCurrentFocusControl();
+ if( control )
+ {
+ // Notify the control about the key event
+ consumed = EmitKeyEventSignal( control, event );
+ }
+
+ return consumed;
}
-void KeyInputFocusManager::OnKeyEvent( const KeyEvent& event )
+bool KeyInputFocusManager::EmitKeyEventSignal( Toolkit::Control control, const KeyEvent& event )
{
bool consumed = false;
- if( mFocusStack.Count() > 0 )
+ if( control )
{
- FocusStack::SizeType index = mFocusStack.Count();
- while( mFocusStack.Count() != 0 && !consumed && index > 0 )
+ consumed = GetImplementation( control ).EmitKeyEventSignal( event );
+
+ // if control doesn't consume KeyEvent, give KeyEvent to its parent.
+ if( !consumed )
{
- --index;
- BaseObject* object = mFocusStack[ index ];
- BaseHandle handle( object );
- Toolkit::Control control = Toolkit::Control::DownCast( object );
- if( control )
+ Toolkit::Control parent = Toolkit::Control::DownCast( control.GetParent() );
+
+ if( parent )
{
- // Notify the control about the key event
- consumed = control.GetImplementation().EmitKeyEventSignal( event );
+ consumed = EmitKeyEventSignal( parent, event );
}
}
}
- if( !consumed )
- {
- // Emit signal to inform that a key event is not consumed.
- if( !mUnhandledKeyEventSignal.Empty() )
- {
- mUnhandledKeyEventSignal.Emit(event);
- }
- }
+ return consumed;
}
void KeyInputFocusManager::OnFocusControlStageDisconnection( Dali::Actor actor )
RemoveFocus( Dali::Toolkit::Control::DownCast( actor ) );
}
-void KeyInputFocusManager::OnObjectDestroyed( const Dali::RefObject* object )
-{
- // The object is already destroyed. Don't create handles to it, or try sending
- // signals to it. Remove it's pointer from the stack.
- const BaseObject* baseObject = static_cast<const BaseObject*>( object );
- FocusStackIterator pos = std::find( mFocusStack.Begin(), mFocusStack.End(), baseObject );
- if( pos != mFocusStack.End() )
- {
- mFocusStack.Erase( pos );
- }
-}
bool KeyInputFocusManager::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
{
- Dali::BaseHandle handle( object );
-
bool connected( true );
- KeyInputFocusManager* manager = dynamic_cast<KeyInputFocusManager*>(object);
+ KeyInputFocusManager* manager = dynamic_cast<KeyInputFocusManager*>( object );
- if( Dali::Toolkit::KeyInputFocusManager::SIGNAL_KEY_INPUT_FOCUS_CHANGED == signalName )
+ if( manager )
{
- manager->KeyInputFocusChangedSignal().Connect( tracker, functor );
- }
- else
- {
- // signalName does not match any signal
- connected = false;
+ if( 0 == strcmp( signalName.c_str(), SIGNAL_KEY_INPUT_FOCUS_CHANGED ) )
+ {
+ manager->KeyInputFocusChangedSignal().Connect( tracker, functor );
+ }
+ else
+ {
+ // signalName does not match any signal
+ connected = false;
+ }
}
return connected;
projects / platform / core / uifw / dali-toolkit.git / blobdiff