@ -29,8 +29,6 @@
# include "core/memcheck.h"
qreal const UBGraphicsDelegateFrame : : mAngleTolerance = 6 ;
UBGraphicsDelegateFrame : : UBGraphicsDelegateFrame ( UBGraphicsItemDelegate * pDelegate , QRectF pRect , qreal pFrameWidth , bool respectRatio )
: QGraphicsRectItem ( ) , QObject ( pDelegate )
, mCurrentTool ( None )
@ -48,7 +46,11 @@ UBGraphicsDelegateFrame::UBGraphicsDelegateFrame(UBGraphicsItemDelegate* pDelega
, mTotalTranslateX ( 0 )
, mTotalTranslateY ( 0 )
, mOperationMode ( Scaling )
, mMirrorX ( false )
, mMirrorY ( false )
{
mAngleTolerance = UBSettings : : settings ( ) - > angleTolerance - > get ( ) . toReal ( ) ;
setFlag ( QGraphicsItem : : ItemSendsGeometryChanges , true ) ;
setAcceptedMouseButtons ( Qt : : LeftButton ) ;
@ -69,9 +71,11 @@ UBGraphicsDelegateFrame::UBGraphicsDelegateFrame(UBGraphicsItemDelegate* pDelega
mBottomResizeGrip = new QGraphicsRectItem ( this ) ;
mBottomResizeGrip - > setPen ( Qt : : NoPen ) ;
mLeftResizeGrip = new QGraphicsRectItem ( this ) ;
mLeftResizeGrip - > setToolTip ( " left " ) ;
mLeftResizeGrip - > setPen ( Qt : : NoPen ) ;
mRightResizeGrip = new QGraphicsRectItem ( this ) ;
mRightResizeGrip - > setPen ( Qt : : NoPen ) ;
mRightResizeGrip - > setToolTip ( " Right " ) ;
mTopResizeGrip = new QGraphicsRectItem ( this ) ;
mTopResizeGrip - > setPen ( Qt : : NoPen ) ;
@ -86,11 +90,14 @@ UBGraphicsDelegateFrame::UBGraphicsDelegateFrame(UBGraphicsItemDelegate* pDelega
positionHandles ( ) ;
this - > setAcceptHoverEvents ( true ) ;
angleWidget = new UBAngleWidget ( ) ;
}
UBGraphicsDelegateFrame : : ~ UBGraphicsDelegateFrame ( )
{
delete angleWidget ;
// NOOP
}
@ -156,14 +163,39 @@ void UBGraphicsDelegateFrame::initializeTransform()
QPointF topRight = itemTransform . map ( itemRect . topRight ( ) ) ;
QPointF bottomLeft = itemTransform . map ( itemRect . bottomLeft ( ) ) ;
qreal horizontalFlip = ( topLeft . x ( ) > topRight . x ( ) ) ? - 1 : 1 ;
mMirrorX = horizontalFlip < 0 ;
if ( horizontalFlip < 0 ) {
// why this is because of the way of calculating the translations that checks which side is the most is the
// nearest instead of checking which one is the left side.
QPointF tmp = topLeft ;
topLeft = topRight ;
topRight = tmp ;
// because of the calculation of the height is done by lenght and not deltaY
bottomLeft = itemTransform . map ( itemRect . bottomRight ( ) ) ;
}
qreal verticalFlip = ( bottomLeft . y ( ) < topLeft . y ( ) ) ? - 1 : 1 ;
// not sure that is usefull
mMirrorY = verticalFlip < 0 ;
if ( verticalFlip < 0 & & ! mMirrorX ) {
topLeft = itemTransform . map ( itemRect . bottomLeft ( ) ) ;
topRight = itemTransform . map ( itemRect . bottomRight ( ) ) ;
bottomLeft = itemTransform . map ( itemRect . topLeft ( ) ) ;
}
QLineF topLine ( topLeft , topRight ) ;
QLineF leftLine ( topLeft , bottomLeft ) ;
qreal width = topLine . length ( ) ;
qreal height = leftLine . length ( ) ;
mAngle = topLine . angle ( ) ;
mTotalScaleX = width / itemRect . width ( ) ;
mTotalScaleY = height / itemRect . height ( ) ;
//the fact the the lenght is used we loose the horizontalFlip information
// a better way to do this is using DeltaX that preserve the direction information.
mTotalScaleX = ( width / itemRect . width ( ) ) * horizontalFlip ;
mTotalScaleY = height / itemRect . height ( ) * verticalFlip ;
QTransform tr ;
QPointF center = delegated ( ) - > boundingRect ( ) . center ( ) ;
@ -192,6 +224,7 @@ void UBGraphicsDelegateFrame::mousePressEvent(QGraphicsSceneMouseEvent *event)
mAngleOffset = 0 ;
mInitialTransform = buildTransform ( ) ;
mCurrentTool = toolFromPos ( event - > pos ( ) ) ;
event - > accept ( ) ;
@ -205,9 +238,16 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
qreal moveY = - move . length ( ) * sin ( ( move . angle ( ) - mAngle ) * PI / 180 ) ;
qreal width = delegated ( ) - > boundingRect ( ) . width ( ) * mTotalScaleX ;
qreal height = delegated ( ) - > boundingRect ( ) . height ( ) * mTotalScaleY ;
mTranslateX = moveX ;
if ( mOperationMode = = Scaling )
{
// // Hide the buttons
// mDelegate->setButtonsVisible(false);
// mResizing = true;
// Perform the resize
if ( resizingBottomRight ( ) )
{
// -----------------------------------------------------
@ -243,8 +283,9 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
scaleX = ( width + moveX ) / width ;
}
if ( mDelegate - > isFlippable ( ) & & qAbs ( scaleX ) ! = 0 ) {
if ( ( width * qAbs ( scaleX ) ) < 2 * mFrameWidth ) {
if ( ( qAbs ( width * scaleX ) ) < 2 * mFrameWidth ) {
bool negative = ( scaleX < 0 ) ? true : false ;
//mMirrorX = (negative?mMirrorX:!mMirrorX);
if ( negative ) {
scaleX = - 2 * mFrameWidth / width ;
} else {
@ -269,8 +310,9 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
}
if ( mDelegate - > isFlippable ( ) & & qAbs ( scaleY ) ! = 0 ) {
if ( ( height * qAbs ( scaleY ) ) < 2 * mFrameWidth ) {
if ( ( qAbs ( height * scaleY ) ) < 2 * mFrameWidth ) {
bool negative = ( scaleY < 0 ) ? true : false ;
//mMirrorY = (negative?mMirrorY:!mMirrorY);
if ( negative ) {
scaleY = - 2 * mFrameWidth / width ;
} else {
@ -281,7 +323,9 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
} else if ( scaleY > 1 | | ( height * scaleY ) > 2 * mFrameWidth )
{
mScaleY = scaleY ;
mTranslateY = moveY ;
if ( resizingTop ( ) ) {
mTranslateY = moveY ;
}
}
}
}
@ -331,7 +375,9 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
QLineF startLine ( sceneBoundingRect ( ) . center ( ) , event - > lastScenePos ( ) ) ;
QLineF currentLine ( sceneBoundingRect ( ) . center ( ) , event - > scenePos ( ) ) ;
mAngle + = startLine . angleTo ( currentLine ) ;
if ( ( int ) mAngle % 45 > = 45 - mAngleTolerance | | ( int ) mAngle % 45 < = mAngleTolerance )
if ( ( int ) mAngle % 45 > = 45 - mAngleTolerance
| | ( int ) mAngle % 45 < = mAngleTolerance )
{
mAngle = qRound ( mAngle / 45 ) * 45 ;
mAngleOffset + = startLine . angleTo ( currentLine ) ;
@ -341,6 +387,23 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
mAngleOffset = 0 ;
}
}
else if ( ( int ) mAngle % 30 > = 30 - mAngleTolerance
| | ( int ) mAngle % 30 < = mAngleTolerance )
{
mAngle = qRound ( mAngle / 30 ) * 30 ;
mAngleOffset + = startLine . angleTo ( currentLine ) ;
if ( ( int ) mAngleOffset % 360 > mAngleTolerance & & ( int ) mAngleOffset % 360 < 360 - mAngleTolerance )
{
mAngle + = mAngleOffset ;
mAngleOffset = 0 ;
}
}
if ( ! angleWidget - > isVisible ( ) )
angleWidget - > show ( ) ;
angleWidget - > setText ( QString : : number ( ( int ) mAngle % 360 ) ) ;
angleWidget - > update ( ) ;
}
else if ( moving ( ) )
@ -410,6 +473,9 @@ QTransform UBGraphicsDelegateFrame::buildTransform()
void UBGraphicsDelegateFrame : : mouseReleaseEvent ( QGraphicsSceneMouseEvent * event )
{
if ( angleWidget - > isVisible ( ) )
angleWidget - > hide ( ) ;
updateResizeCursors ( ) ;
mDelegate - > commitUndoStep ( ) ;
@ -421,6 +487,12 @@ void UBGraphicsDelegateFrame::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
mCurrentTool = None ;
QGraphicsRectItem : : mouseReleaseEvent ( event ) ;
// Show the buttons
if ( isResizing ( ) ) {
mResizing = false ;
}
mDelegate - > setButtonsVisible ( true ) ;
}
@ -464,6 +536,14 @@ void UBGraphicsDelegateFrame::positionHandles()
QPointF bottomLeft = itemTransform . map ( itemRect . bottomLeft ( ) ) ;
QPointF center = itemTransform . map ( itemRect . center ( ) ) ;
// Handle the mirroring
if ( topLeft . x ( ) > topRight . x ( ) ) {
QPointF tmp = topRight ;
topRight = topLeft ;
topLeft = tmp ;
bottomLeft . setX ( topLeft . x ( ) ) ;
}
QLineF topLine ( topLeft , topRight ) ;
qreal angle = topLine . angle ( ) ;
qreal width = topLine . length ( ) ;
@ -507,17 +587,8 @@ void UBGraphicsDelegateFrame::positionHandles()
mBottomRightResizeGripSvgItem - > setPos ( rect ( ) . right ( ) - brRect . width ( ) , rect ( ) . bottom ( ) - brRect . height ( ) ) ;
mBottomResizeGripSvgItem - > setPos ( rect ( ) . center ( ) . x ( ) - bRect . width ( ) / 2 , rect ( ) . bottom ( ) - bRect . height ( ) ) ;
if ( 0 < = mScaleX ) {
mLeftResizeGripSvgItem - > setPos ( rect ( ) . left ( ) , rect ( ) . center ( ) . y ( ) - lRect . height ( ) / 2 ) ;
mRightResizeGripSvgItem - > setPos ( rect ( ) . right ( ) - rRect . width ( ) , rect ( ) . center ( ) . y ( ) - rRect . height ( ) / 2 ) ;
} else {
mLeftResizeGripSvgItem - > setPos ( rect ( ) . right ( ) - rRect . width ( ) , rect ( ) . center ( ) . y ( ) - lRect . height ( ) / 2 ) ;
mRightResizeGripSvgItem - > setPos ( rect ( ) . left ( ) , rect ( ) . center ( ) . y ( ) - rRect . height ( ) / 2 ) ;
}
if ( 0 < mScaleY ) {
}
mLeftResizeGripSvgItem - > setPos ( rect ( ) . left ( ) , rect ( ) . center ( ) . y ( ) - lRect . height ( ) / 2 ) ;
mRightResizeGripSvgItem - > setPos ( rect ( ) . right ( ) - rRect . width ( ) , rect ( ) . center ( ) . y ( ) - rRect . height ( ) / 2 ) ;
mTopResizeGripSvgItem - > setPos ( rect ( ) . center ( ) . x ( ) - trRect . width ( ) / 2 , rect ( ) . y ( ) ) ;
mRotateButton - > setPos ( rect ( ) . right ( ) - mFrameWidth - 5 , rect ( ) . top ( ) + 5 ) ;
@ -571,14 +642,35 @@ UBGraphicsDelegateFrame::FrameTool UBGraphicsDelegateFrame::toolFromPos(QPointF
return None ;
else if ( bottomRightResizeGripRect ( ) . contains ( pos ) )
return ResizeBottomRight ;
else if ( bottomResizeGripRect ( ) . contains ( pos ) )
return ResizeBottom ;
else if ( leftResizeGripRect ( ) . contains ( pos ) )
return ResizeLeft ;
else if ( rightResizeGripRect ( ) . contains ( pos ) )
return ResizeRight ;
else if ( topResizeGripRect ( ) . contains ( pos ) )
return ResizeTop ;
else if ( bottomResizeGripRect ( ) . contains ( pos ) ) {
if ( mMirrorY ) {
return ResizeTop ;
} else {
return ResizeBottom ;
}
}
else if ( leftResizeGripRect ( ) . contains ( pos ) ) {
if ( mMirrorX ) {
return ResizeRight ;
} else {
return ResizeLeft ;
}
return ResizeLeft ;
}
else if ( rightResizeGripRect ( ) . contains ( pos ) ) {
if ( mMirrorX ) {
return ResizeLeft ;
} else {
return ResizeRight ;
}
}
else if ( topResizeGripRect ( ) . contains ( pos ) ) {
if ( mMirrorY ) {
return ResizeBottom ;
} else {
return ResizeTop ;
}
}
else if ( rotateButtonBounds ( ) . contains ( pos ) & & mDelegate & & mDelegate - > canRotate ( ) )
return Rotate ;
else
@ -621,3 +713,21 @@ QRectF UBGraphicsDelegateFrame::rotateButtonBounds() const
return QRectF ( rect ( ) . right ( ) - mFrameWidth , rect ( ) . top ( ) , mFrameWidth , mFrameWidth ) ;
}
void UBGraphicsDelegateFrame : : refreshGeometry ( )
{
// Here we want to have the left on the left, the right on the right, the top on the top and the bottom on the bottom!
QRectF itemRect = delegated ( ) - > boundingRect ( ) ;
QTransform itemTransform = delegated ( ) - > sceneTransform ( ) ;
QPointF topLeft = itemTransform . map ( itemRect . topLeft ( ) ) ;
QPointF topRight = itemTransform . map ( itemRect . topRight ( ) ) ;
QPointF bottomLeft = itemTransform . map ( itemRect . bottomLeft ( ) ) ;
QPointF center = itemTransform . map ( itemRect . center ( ) ) ;
QLineF topLine ( topLeft , topRight ) ;
qreal angle = topLine . angle ( ) ;
qreal width = topLine . length ( ) ;
QLineF leftLine ( topLeft , bottomLeft ) ;
qreal height = leftLine . length ( ) ;
setRect ( topRight . x ( ) - mFrameWidth , topLeft . y ( ) - mFrameWidth , width + 2 * mFrameWidth , height + 2 * mFrameWidth ) ;
}
Aleksei Kanash
12 years ago