*/
void Relayout( const Vector2& size )
{
+ mControlSize = size;
+
// TODO - Remove this if nothing is active
CreateActiveLayer();
if( mPrimaryCursor )
{
const CursorImpl& cursor = mCursor[PRIMARY_CURSOR];
- mPrimaryCursorVisible = ( cursor.position.x + mCursorWidth <= size.width ) && ( cursor.position.x >= 0.f );
+ mPrimaryCursorVisible = ( cursor.position.x + mCursorWidth <= mControlSize.width ) && ( cursor.position.x >= 0.f );
if( mPrimaryCursorVisible )
{
mPrimaryCursor.SetPosition( cursor.position.x,
if( mSecondaryCursor )
{
const CursorImpl& cursor = mCursor[SECONDARY_CURSOR];
- mSecondaryCursorVisible = ( cursor.position.x + mCursorWidth <= size.width ) && ( cursor.position.x >= 0.f );
+ mSecondaryCursorVisible = ( cursor.position.x + mCursorWidth <= mControlSize.width ) && ( cursor.position.x >= 0.f );
if( mSecondaryCursorVisible )
{
mSecondaryCursor.SetPosition( cursor.position.x,
// Show or hide the grab handle
HandleImpl& grabHandle = mHandle[GRAB_HANDLE];
+ bool newGrabHandlePosition = false;
if( grabHandle.active )
{
- const bool isVisible = ( grabHandle.position.x + floor( 0.5f * mCursorWidth ) <= size.width ) && ( grabHandle.position.x >= 0.f );
+ const bool isVisible = ( grabHandle.position.x + floor( 0.5f * mCursorWidth ) <= mControlSize.width ) && ( grabHandle.position.x >= 0.f );
if( isVisible )
{
// Sets the grab handle image according if it's pressed, flipped, etc.
SetHandleImage( GRAB_HANDLE );
+
+ newGrabHandlePosition = true;
}
if( grabHandle.actor )
// Show or hide the selection handles/highlight
HandleImpl& primary = mHandle[ LEFT_SELECTION_HANDLE ];
HandleImpl& secondary = mHandle[ RIGHT_SELECTION_HANDLE ];
+ bool newPrimaryHandlePosition = false;
+ bool newSecondaryHandlePosition = false;
if( primary.active || secondary.active )
{
- const bool isPrimaryVisible = ( primary.position.x <= size.width ) && ( primary.position.x >= 0.f );
- const bool isSecondaryVisible = ( secondary.position.x <= size.width ) && ( secondary.position.x >= 0.f );
+ const bool isPrimaryVisible = ( primary.position.x <= mControlSize.width ) && ( primary.position.x >= 0.f );
+ const bool isSecondaryVisible = ( secondary.position.x <= mControlSize.width ) && ( secondary.position.x >= 0.f );
if( isPrimaryVisible || isSecondaryVisible )
{
SetHandleImage( LEFT_SELECTION_HANDLE );
SetSelectionHandleMarkerSize( primary );
+
+ newPrimaryHandlePosition = true;
}
if( isSecondaryVisible )
SetHandleImage( RIGHT_SELECTION_HANDLE );
SetSelectionHandleMarkerSize( secondary );
+
+ newSecondaryHandlePosition = true;
}
}
}
}
+ if( newGrabHandlePosition ||
+ newPrimaryHandlePosition ||
+ newSecondaryHandlePosition )
+ {
+ // Setup property notifications to find whether the handles leave the boundaries of the current display.
+ SetupActiveLayerPropertyNotifications();
+ }
+
if( mActiveCopyPastePopup )
{
ShowPopup();
void CalculateHandleWorldCoordinates( HandleImpl& handle, Vector2& position )
{
- // Get the world position of the active layer
+ // Gets the world position of the active layer. The active layer is where the handles are added.
const Vector3 parentWorldPosition = mActiveLayer.GetCurrentWorldPosition();
- // Get the size of the UI control.
- Vector2 targetSize;
- mController.GetTargetSize( targetSize );
-
// The grab handle position in world coords.
- position.x = parentWorldPosition.x - 0.5f * targetSize.width + handle.position.x;
- position.y = parentWorldPosition.y - 0.5f * targetSize.height + handle.position.y + handle.lineHeight;
+ // The active layer's world position is the center of the active layer. The origin of the
+ // coord system of the handles is the top left of the active layer.
+ position.x = parentWorldPosition.x - 0.5f * mControlSize.width + handle.position.x;
+ position.y = parentWorldPosition.y - 0.5f * mControlSize.height + handle.position.y;
}
void SetGrabHandlePosition()
// Reference to the grab handle.
HandleImpl& grabHandle = mHandle[GRAB_HANDLE];
- // The grab handle position in world coords.
+ // Transforms the handle position into world coordinates.
+ // @note This is not the same value as grabHandle.actor.GetCurrentWorldPosition()
+ // as it's transforming the handle's position set by the text-controller and not
+ // the final position set to the actor. Another difference is the GetCurrentWorldPosition()
+ // retrieves the position of the center of the actor but the handle's position set
+ // by the text controller is not the center of the actor.
Vector2 grabHandleWorldPosition;
CalculateHandleWorldCoordinates( grabHandle, grabHandleWorldPosition );
// At the moment only the height is checked for the grab handle.
grabHandle.verticallyFlipped = ( grabHandle.verticallyFlippedPreferred &&
- ( ( grabHandleWorldPosition.y - grabHandle.lineHeight - grabHandle.size.height ) > mBoundingBox.y ) ) ||
- ( grabHandleWorldPosition.y + grabHandle.size.height > mBoundingBox.w );
+ ( ( grabHandleWorldPosition.y - grabHandle.size.height ) > mBoundingBox.y ) ) ||
+ ( grabHandleWorldPosition.y + grabHandle.lineHeight + grabHandle.size.height > mBoundingBox.w );
// The grab handle 'y' position in local coords.
// If the grab handle exceeds the bottom of the decoration box,
// Reference to the selection handle.
HandleImpl& handle = mHandle[type];
- // Get the world coordinates of the handle position.
+ // Transforms the handle position into world coordinates.
+ // @note This is not the same value as handle.actor.GetCurrentWorldPosition()
+ // as it's transforming the handle's position set by the text-controller and not
+ // the final position set to the actor. Another difference is the GetCurrentWorldPosition()
+ // retrieves the position of the center of the actor but the handle's position set
+ // by the text controller is not the center of the actor.
Vector2 handleWorldPosition;
CalculateHandleWorldCoordinates( handle, handleWorldPosition );
// Check if the selection handle exceeds the boundaries of the decoration box.
const bool exceedsLeftEdge = ( isPrimaryHandle ? !flipHandle : flipHandle ) && ( handleWorldPosition.x - handle.size.width < mBoundingBox.x );
-
const bool exceedsRightEdge = ( isPrimaryHandle ? flipHandle : !flipHandle ) && ( handleWorldPosition.x + handle.size.width > mBoundingBox.z );
// Does not flip if both conditions are true (double flip)
// Whether to flip the handle vertically.
handle.verticallyFlipped = ( verticallyFlippedPreferred &&
- ( ( handleWorldPosition.y - handle.lineHeight - handle.size.height ) > mBoundingBox.y ) ) ||
- ( handleWorldPosition.y + handle.size.height > mBoundingBox.w );
+ ( ( handleWorldPosition.y - handle.size.height ) > mBoundingBox.y ) ) ||
+ ( handleWorldPosition.y + handle.lineHeight + handle.size.height > mBoundingBox.w );
// The primary selection handle 'y' position in local coords.
// If the handle exceeds the bottom of the decoration box,
return true;
}
+ void HandleResetPosition( PropertyNotification& source )
+ {
+ const HandleImpl& grabHandle = mHandle[GRAB_HANDLE];
+
+ if( grabHandle.active )
+ {
+ // Sets the grab handle position and calculates if it needs to be vertically flipped if it exceeds the boundary box.
+ SetGrabHandlePosition();
+
+ // Sets the grab handle image according if it's pressed, flipped, etc.
+ SetHandleImage( GRAB_HANDLE );
+ }
+ else
+ {
+ // Sets the primary selection handle position and calculates if it needs to be vertically flipped if it exceeds the boundary box.
+ SetSelectionHandlePosition( LEFT_SELECTION_HANDLE );
+
+ // Sets the primary handle image according if it's pressed, flipped, etc.
+ SetHandleImage( LEFT_SELECTION_HANDLE );
+
+ // Sets the secondary selection handle position and calculates if it needs to be vertically flipped if it exceeds the boundary box.
+ SetSelectionHandlePosition( RIGHT_SELECTION_HANDLE );
+
+ // Sets the secondary handle image according if it's pressed, flipped, etc.
+ SetHandleImage( RIGHT_SELECTION_HANDLE );
+ }
+ }
+
+ void SetupActiveLayerPropertyNotifications()
+ {
+ if( !mActiveLayer )
+ {
+ return;
+ }
+
+ // Vertical notifications.
+
+ // Disconnect any previous connected callback.
+ if( mVerticalLessThanNotification )
+ {
+ mVerticalLessThanNotification.NotifySignal().Disconnect( this, &Decorator::Impl::HandleResetPosition );
+ mActiveLayer.RemovePropertyNotification( mVerticalLessThanNotification );
+ }
+
+ if( mVerticalGreaterThanNotification )
+ {
+ mVerticalGreaterThanNotification.NotifySignal().Disconnect( this, &Decorator::Impl::HandleResetPosition );
+ mActiveLayer.RemovePropertyNotification( mVerticalGreaterThanNotification );
+ }
+
+ const HandleImpl& grabHandle = mHandle[GRAB_HANDLE];
+ const HandleImpl& primaryHandle = mHandle[LEFT_SELECTION_HANDLE];
+ const HandleImpl& secondaryHandle = mHandle[RIGHT_SELECTION_HANDLE];
+
+ if( grabHandle.active )
+ {
+ if( grabHandle.verticallyFlipped )
+ {
+ // The grab handle is vertically flipped. Never is going to exceed the bottom edje of the display.
+ mVerticalGreaterThanNotification.Reset();
+
+ // The vertical distance from the center of the active layer to the top edje of the display.
+ const float topHeight = 0.5f * mControlSize.height - grabHandle.position.y + grabHandle.size.height;
+
+ mVerticalLessThanNotification = mActiveLayer.AddPropertyNotification( Actor::Property::WORLD_POSITION_Y,
+ LessThanCondition( mBoundingBox.y + topHeight ) );
+
+ // Notifies the change from false to true and from true to false.
+ mVerticalLessThanNotification.SetNotifyMode( PropertyNotification::NotifyOnChanged );
+
+ // Connects the signals with the callbacks.
+ mVerticalLessThanNotification.NotifySignal().Connect( this, &Decorator::Impl::HandleResetPosition );
+ }
+ else
+ {
+ // The grab handle is not vertically flipped. Never is going to exceed the top edje of the display.
+ mVerticalLessThanNotification.Reset();
+
+ // The vertical distance from the center of the active layer to the bottom edje of the display.
+ const float bottomHeight = -0.5f * mControlSize.height + grabHandle.position.y + grabHandle.lineHeight + grabHandle.size.height;
+
+ mVerticalGreaterThanNotification = mActiveLayer.AddPropertyNotification( Actor::Property::WORLD_POSITION_Y,
+ GreaterThanCondition( mBoundingBox.w - bottomHeight ) );
+
+ // Notifies the change from false to true and from true to false.
+ mVerticalGreaterThanNotification.SetNotifyMode( PropertyNotification::NotifyOnChanged );
+
+ // Connects the signals with the callbacks.
+ mVerticalGreaterThanNotification.NotifySignal().Connect( this, &Decorator::Impl::HandleResetPosition );
+ }
+ }
+ else // The selection handles are active
+ {
+ if( primaryHandle.verticallyFlipped && secondaryHandle.verticallyFlipped )
+ {
+ // Both selection handles are vertically flipped. Never are going to exceed the bottom edje of the display.
+ mVerticalGreaterThanNotification.Reset();
+
+ // The vertical distance from the center of the active layer to the top edje of the display.
+ const float topHeight = 0.5f * mControlSize.height + std::max( -primaryHandle.position.y + primaryHandle.size.height, -secondaryHandle.position.y + secondaryHandle.size.height );
+
+ mVerticalLessThanNotification = mActiveLayer.AddPropertyNotification( Actor::Property::WORLD_POSITION_Y,
+ LessThanCondition( mBoundingBox.y + topHeight ) );
+
+ // Notifies the change from false to true and from true to false.
+ mVerticalLessThanNotification.SetNotifyMode( PropertyNotification::NotifyOnChanged );
+
+ // Connects the signals with the callbacks.
+ mVerticalLessThanNotification.NotifySignal().Connect( this, &Decorator::Impl::HandleResetPosition );
+ }
+ else if( !primaryHandle.verticallyFlipped && !secondaryHandle.verticallyFlipped )
+ {
+ // Both selection handles aren't vertically flipped. Never are going to exceed the top edje of the display.
+ mVerticalLessThanNotification.Reset();
+
+ // The vertical distance from the center of the active layer to the bottom edje of the display.
+ const float bottomHeight = -0.5f * mControlSize.height + std::max( primaryHandle.position.y + primaryHandle.lineHeight + primaryHandle.size.height,
+ secondaryHandle.position.y + secondaryHandle.lineHeight + secondaryHandle.size.height );
+
+ mVerticalGreaterThanNotification = mActiveLayer.AddPropertyNotification( Actor::Property::WORLD_POSITION_Y,
+ GreaterThanCondition( mBoundingBox.w - bottomHeight ) );
+
+ // Notifies the change from false to true and from true to false.
+ mVerticalGreaterThanNotification.SetNotifyMode( PropertyNotification::NotifyOnChanged );
+
+ // Connects the signals with the callbacks.
+ mVerticalGreaterThanNotification.NotifySignal().Connect( this, &Decorator::Impl::HandleResetPosition );
+ }
+ else
+ {
+ // Only one of the selection handles is vertically flipped. Both vertical notifications are needed.
+
+ // The vertical distance from the center of the active layer to the top edje of the display.
+ const float topHeight = 0.5f * mControlSize.height + ( primaryHandle.verticallyFlipped ?
+ -primaryHandle.position.y + primaryHandle.size.height :
+ -secondaryHandle.position.y + secondaryHandle.size.height );
+
+ mVerticalLessThanNotification = mActiveLayer.AddPropertyNotification( Actor::Property::WORLD_POSITION_Y,
+ LessThanCondition( mBoundingBox.y + topHeight ) );
+
+ // Notifies the change from false to true and from true to false.
+ mVerticalLessThanNotification.SetNotifyMode( PropertyNotification::NotifyOnChanged );
+
+ // Connects the signals with the callbacks.
+ mVerticalLessThanNotification.NotifySignal().Connect( this, &Decorator::Impl::HandleResetPosition );
+
+ // The vertical distance from the center of the active layer to the bottom edje of the display.
+ const float bottomHeight = -0.5f * mControlSize.height + ( primaryHandle.verticallyFlipped ?
+ secondaryHandle.position.y + secondaryHandle.lineHeight + secondaryHandle.size.height :
+ primaryHandle.position.y + primaryHandle.lineHeight + primaryHandle.size.height );
+
+ mVerticalGreaterThanNotification = mActiveLayer.AddPropertyNotification( Actor::Property::WORLD_POSITION_Y,
+ GreaterThanCondition( mBoundingBox.w - bottomHeight ) );
+
+ // Notifies the change from false to true and from true to false.
+ mVerticalGreaterThanNotification.SetNotifyMode( PropertyNotification::NotifyOnChanged );
+
+ // Connects the signals with the callbacks.
+ mVerticalGreaterThanNotification.NotifySignal().Connect( this, &Decorator::Impl::HandleResetPosition );
+ }
+ }
+
+ // Horizontal notifications.
+
+ // Disconnect any previous connected callback.
+ if( mHorizontalLessThanNotification )
+ {
+ mHorizontalLessThanNotification.NotifySignal().Disconnect( this, &Decorator::Impl::HandleResetPosition );
+ mActiveLayer.RemovePropertyNotification( mHorizontalLessThanNotification );
+ }
+
+ if( mHorizontalGreaterThanNotification )
+ {
+ mHorizontalGreaterThanNotification.NotifySignal().Disconnect( this, &Decorator::Impl::HandleResetPosition );
+ mActiveLayer.RemovePropertyNotification( mHorizontalGreaterThanNotification );
+ }
+
+ if( primaryHandle.active || secondaryHandle.active )
+ {
+ // The horizontal distance from the center of the active layer to the left edje of the display.
+ const float leftWidth = 0.5f * mControlSize.width + std::max( -primaryHandle.position.x + primaryHandle.size.width,
+ -secondaryHandle.position.x + secondaryHandle.size.width );
+
+ mHorizontalLessThanNotification = mActiveLayer.AddPropertyNotification( Actor::Property::WORLD_POSITION_X,
+ LessThanCondition( mBoundingBox.x + leftWidth ) );
+
+ // Notifies the change from false to true and from true to false.
+ mHorizontalLessThanNotification.SetNotifyMode( PropertyNotification::NotifyOnChanged );
+
+ // Connects the signals with the callbacks.
+ mHorizontalLessThanNotification.NotifySignal().Connect( this, &Decorator::Impl::HandleResetPosition );
+
+ // The horizontal distance from the center of the active layer to the right edje of the display.
+ const float rightWidth = -0.5f * mControlSize.width + std::max( primaryHandle.position.x + primaryHandle.size.width,
+ secondaryHandle.position.x + secondaryHandle.size.width );
+
+ mHorizontalGreaterThanNotification = mActiveLayer.AddPropertyNotification( Actor::Property::WORLD_POSITION_X,
+ GreaterThanCondition( mBoundingBox.z - rightWidth ) );
+
+ // Notifies the change from false to true and from true to false.
+ mHorizontalGreaterThanNotification.SetNotifyMode( PropertyNotification::NotifyOnChanged );
+
+ // Connects the signals with the callbacks.
+ mHorizontalGreaterThanNotification.NotifySignal().Connect( this, &Decorator::Impl::HandleResetPosition );
+ }
+ }
+
// Popup
float AlternatePopUpPositionRelativeToCursor()
mCopyPastePopup.actor.SetY( alternativeYPosition );
}
- void SetUpPopupPositionNotifications( )
+ void SetUpPopupPositionNotifications()
{
// Note Property notifications ignore any set anchor point so conditions must allow for this. Default is Top Left.
Timer mCursorBlinkTimer; ///< Timer to signal cursor to blink
Timer mScrollTimer; ///< Timer used to scroll the text when the grab handle is moved close to the edges.
- Layer mActiveLayer; ///< Layer for active handles and alike that ensures they are above all else.
- ImageActor mPrimaryCursor;
- ImageActor mSecondaryCursor;
+ Layer mActiveLayer; ///< Layer for active handles and alike that ensures they are above all else.
+ PropertyNotification mVerticalLessThanNotification; ///< Notifies when the 'y' coord of the active layer is less than a given value.
+ PropertyNotification mVerticalGreaterThanNotification; ///< Notifies when the 'y' coord of the active layer is grater than a given value.
+ PropertyNotification mHorizontalLessThanNotification; ///< Notifies when the 'x' coord of the active layer is less than a given value.
+ PropertyNotification mHorizontalGreaterThanNotification; ///< Notifies when the 'x' coord of the active layer is grater than a given value.
+ ImageActor mPrimaryCursor;
+ ImageActor mSecondaryCursor;
- Actor mHighlightActor; ///< Actor to display highlight
+ Actor mHighlightActor; ///< Actor to display highlight
Renderer mHighlightRenderer;
Material mHighlightMaterial; ///< Material used for highlight
Property::Map mQuadVertexFormat;
Vector4 mBoundingBox; ///< The bounding box in world coords.
Vector4 mHighlightColor; ///< Color of the highlight
Vector2 mHighlightPosition; ///< The position of the highlight actor.
+ Vector2 mControlSize; ///< The control's size. Set by the Relayout.
unsigned int mActiveCursor;
unsigned int mCursorBlinkInterval;
projects / platform / core / uifw / dali-toolkit.git / blobdiff