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Fixed (returned back) mouse move events handling for clean scene.

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Reworked resizing of items on board. Still have troubles with resizing at BottomRight resizer.
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Aleksei Kanash 12 years ago
parent d469951de1
commit c57beb74ca
3 changed files with 154 additions and 144 deletions
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  1. 3
      src/board/UBBoardView.cpp
  2. 291
      src/domain/UBGraphicsDelegateFrame.cpp
  3. 4
      src/domain/UBGraphicsDelegateFrame.h

3
src/board/UBBoardView.cpp
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@ -749,9 +749,6 @@ void UBBoardView::handleItemMousePress(QMouseEvent *event)
void UBBoardView::handleItemMouseMove(QMouseEvent *event)
{
if (!movingItem)
return;
// determine item to move (maybee we need to move group of item or his parent.
movingItem = determineItemToMove(movingItem);

291
src/domain/UBGraphicsDelegateFrame.cpp
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@ -224,12 +224,14 @@ void UBGraphicsDelegateFrame::mousePressEvent(QGraphicsSceneMouseEvent *event)
mAngleOffset = 0;
mInitialTransform = buildTransform();
mOriginalSize = delegated()->boundingRect().size();
mCurrentTool = toolFromPos(event->pos());
setCursorFromAngle(QString::number((int)mAngle % 360));
event->accept();
prepareFramesToMove(getLinkedFrames());
if (moving())
prepareFramesToMove(getLinkedFrames());
}
@ -358,20 +360,25 @@ QSizeF UBGraphicsDelegateFrame::getResizeVector(qreal moveX, qreal moveY)
return QSizeF(dPosX, dPosY);
}
void UBGraphicsDelegateFrame::resizeDelegate(qreal moveX, qreal moveY)
QSizeF UBGraphicsDelegateFrame::resizeDelegate(qreal moveX, qreal moveY)
{
QPointF fixedPoint = getFixedPointFromPos();
QSizeF incVector;
mFixedPoint = getFixedPointFromPos();
UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(delegated());
if (resizableItem)
{
QSizeF originalSize = delegated()->boundingRect().size();
resizableItem->resize(originalSize + getResizeVector(moveX, moveY));
incVector = getResizeVector(moveX, moveY);
resizableItem->resize(mOriginalSize + incVector);
if (resizingTop() || resizingLeft() || ((mMirrorX || mMirrorY) && resizingBottomRight()))
{
delegated()->setPos(delegated()->pos()-getFixedPointFromPos()+fixedPoint);
QPointF pos1 = getFixedPointFromPos();
delegated()->setPos(delegated()->pos()-pos1+mFixedPoint);
}
}
return incVector;
}
void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
@ -379,113 +386,111 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
if (None == mCurrentTool)
return;
QLineF move;
if(rotating() || moving() || mOperationMode == Scaling)
move = QLineF(mStartingPoint, event->scenePos());
else
move = QLineF(event->lastScenePos(), event->scenePos());
QLineF move = QLineF(mStartingPoint, event->scenePos());
qreal moveX = move.length() * cos((move.angle() - mAngle) * PI / 180);
qreal moveY = -move.length() * sin((move.angle() - mAngle) * PI / 180);
qreal width = delegated()->boundingRect().width() * mTotalScaleX;
qreal height = delegated()->boundingRect().height() * mTotalScaleY;
if(!rotating())
{
mTranslateX = moveX;
// Perform the resize
if (resizingBottomRight())
if (mOperationMode == Scaling)
{
if(!rotating())
{
// -----------------------------------------------------
// ! We want to keep the aspect ratio with this resize !
// -----------------------------------------------------
qreal scaleX;
qreal scaleY;
if(!mMirrorX){
scaleX = (width + moveX) / width;
}else{
scaleX = (width - moveX) / width;
}
if(!mMirrorY){
scaleY = (height + moveY) / height;
}else{
scaleY = (height - moveY) / height;
}
mTranslateX = moveX;
// Perform the resize
if (resizingBottomRight())
{
// -----------------------------------------------------
// ! We want to keep the aspect ratio with this resize !
// -----------------------------------------------------
qreal scaleX;
qreal scaleY;
qreal scaleFactor = (scaleX + scaleY) / 2;
if(!mMirrorX){
scaleX = (width + moveX) / width;
}else{
scaleX = (width - moveX) / width;
}
// Do not allow resizing of image size under frame size
if (canResizeBottomRight(width, height, scaleFactor))
{
if (mRespectRatio)
{
mScaleX = scaleFactor;
mScaleY = scaleFactor;
if(!mMirrorY){
scaleY = (height + moveY) / height;
}else{
scaleY = (height - moveY) / height;
}
else
qreal scaleFactor = (scaleX + scaleY) / 2;
// Do not allow resizing of image size under frame size
if (canResizeBottomRight(width, height, scaleFactor))
{
mScaleX = scaleX;
mScaleY = scaleY;
}
}
}else if (resizingLeft() || resizingRight())
{
if(width != 0){
qreal scaleX = 0.0;
if(resizingLeft()){
scaleX = (width - moveX) / width;
}else if(resizingRight()){
scaleX = (width + moveX) / width;
}
if(mDelegate->isFlippable() && qAbs(scaleX) != 0){
if((qAbs(width * scaleX)) < 2*mFrameWidth){
bool negative = (scaleX < 0)?true:false;
if(negative){
if(mMirrorX)
scaleX = 2*mFrameWidth/width;
else
scaleX = -2*mFrameWidth/width;
}else{
scaleX = -1;
}
if (mRespectRatio)
{
mScaleX = scaleFactor;
mScaleY = scaleFactor;
}
mScaleX = scaleX;
}else if (scaleX > 1 || (width * scaleX) > 2 * mFrameWidth){
mScaleX = scaleX;
if(resizingLeft()){
mTranslateX = moveX;
else
{
mScaleX = scaleX;
mScaleY = scaleY;
}
}
}
}else if(resizingTop() || resizingBottom()){
if(height != 0){
qreal scaleY = 0.0;
if(resizingTop()){
scaleY = (height - moveY) / height;
}else if(resizingBottom()){
scaleY = (height + moveY) / height;
}
if(mDelegate->isFlippable() && qAbs(scaleY) != 0){
if((qAbs(height * scaleY)) < 2*mFrameWidth){
bool negative = (scaleY < 0)?true:false;
if(negative){
if(mMirrorY)
scaleY = 2*mFrameWidth/width;
else
scaleY = -2*mFrameWidth/width;
}else{
scaleY = -1;
}else if (resizingLeft() || resizingRight())
{
if(width != 0){
qreal scaleX = 0.0;
if(resizingLeft()){
scaleX = (width - moveX) / width;
}else if(resizingRight()){
scaleX = (width + moveX) / width;
}
if(mDelegate->isFlippable() && qAbs(scaleX) != 0){
if((qAbs(width * scaleX)) < 2*mFrameWidth){
bool negative = (scaleX < 0)?true:false;
if(negative){
if(mMirrorX)
scaleX = 2*mFrameWidth/width;
else
scaleX = -2*mFrameWidth/width;
}else{
scaleX = -1;
}
}
mScaleX = scaleX;
}else if (scaleX > 1 || (width * scaleX) > 2 * mFrameWidth){
mScaleX = scaleX;
if(resizingLeft()){
mTranslateX = moveX;
}
}
mScaleY = scaleY;
}else if (scaleY > 1 || (height * scaleY) > 2 * mFrameWidth)
{
mScaleY = scaleY;
}
}else if(resizingTop() || resizingBottom()){
if(height != 0){
qreal scaleY = 0.0;
if(resizingTop()){
mTranslateY = moveY;
scaleY = (height - moveY) / height;
}else if(resizingBottom()){
scaleY = (height + moveY) / height;
}
if(mDelegate->isFlippable() && qAbs(scaleY) != 0){
if((qAbs(height * scaleY)) < 2*mFrameWidth){
bool negative = (scaleY < 0)?true:false;
if(negative){
if(mMirrorY)
scaleY = 2*mFrameWidth/width;
else
scaleY = -2*mFrameWidth/width;
}else{
scaleY = -1;
}
}
mScaleY = scaleY;
}else if (scaleY > 1 || (height * scaleY) > 2 * mFrameWidth)
{
mScaleY = scaleY;
if(resizingTop()){
mTranslateY = moveY;
}
}
}
}
@ -531,64 +536,69 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
moveLinkedItems(move);
}
QTransform tr = buildTransform();
if (resizingRight() || resizingBottom() || resizingBottomRight())
if (mOperationMode == Scaling || moving() || rotating())
{
QPointF ref;
QTransform tr = buildTransform();
// we just detects coordinates of corner before and after scaling and then moves object at diff between them.
if (resizingBottomRight() && mMirrorX)
if (resizingRight() || resizingBottom() || resizingBottomRight())
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().bottomRight()).x() - tr.map(delegated()->boundingRect().bottomRight()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().bottomRight()).y() - tr.map(delegated()->boundingRect().bottomRight()).y();
QPointF ref;
// we just detects coordinates of corner before and after scaling and then moves object at diff between them.
if (resizingBottomRight() && mMirrorX)
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().bottomRight()).x() - tr.map(delegated()->boundingRect().bottomRight()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().bottomRight()).y() - tr.map(delegated()->boundingRect().bottomRight()).y();
}
else
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().topLeft()).x() - tr.map(delegated()->boundingRect().topLeft()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().topLeft()).y() - tr.map(delegated()->boundingRect().topLeft()).y();
}
}
else
else if (resizingTop() || resizingLeft())
{
mTranslateX += mInitialTransform.map(delegated()->boundingRect().topLeft()).x() - tr.map(delegated()->boundingRect().topLeft()).x();
mTranslateY += mInitialTransform.map(delegated()->boundingRect().topLeft()).y() - tr.map(delegated()->boundingRect().topLeft()).y();
QPointF bottomRight = tr.map(delegated()->boundingRect().bottomRight());
QPointF fixedPoint = mInitialTransform.map(delegated()->boundingRect().bottomRight());
mTranslateX += fixedPoint.x() - bottomRight.x();
mTranslateY += fixedPoint.y() - bottomRight.y();
}
else if (moving() || rotating())
delegated()->setTransform(tr);
}
else if (resizingTop() || resizingLeft())
{
QPointF bottomRight = tr.map(delegated()->boundingRect().bottomRight());
QPointF fixedPoint = mInitialTransform.map(delegated()->boundingRect().bottomRight());
mTranslateX += fixedPoint.x() - bottomRight.x();
mTranslateY += fixedPoint.y() - bottomRight.y();
}
else // resizing/resizing horizontally
{
if (mOperationMode == Scaling || moving() || rotating())
{
tr = buildTransform();
delegated()->setTransform(tr);
}
else if (mOperationMode == Resizing)
{
if (!moving() && !rotating())
if (resizingBottomRight())
{
if (resizingBottomRight())
{
if (mMirrorX && mMirrorY)
mCurrentTool = ResizeTop;
else
mCurrentTool = ResizeBottom;
static QSizeF incV = QSizeF();
static QSizeF incH = QSizeF();
resizeDelegate(moveX, moveY);
if (mMirrorX && mMirrorY)
mCurrentTool = ResizeTop;
else
mCurrentTool = ResizeBottom;
if (mMirrorX && mMirrorY)
mCurrentTool = ResizeLeft;
else
mCurrentTool = ResizeRight;
mOriginalSize -= incH;
resizeDelegate(moveX, moveY);
mCurrentTool = ResizeBottomRight;
}
incV = resizeDelegate(moveX, moveY);
mOriginalSize += incV;
if (mMirrorX && mMirrorY)
mCurrentTool = ResizeLeft;
else
resizeDelegate(moveX, moveY);
mCurrentTool = ResizeRight;
incH = resizeDelegate(moveX, moveY);
mOriginalSize -= incV;
mOriginalSize += incH;
mCurrentTool = ResizeBottomRight;
}
else
resizeDelegate(moveX, moveY);
}
event->accept();
}
@ -689,6 +699,7 @@ void UBGraphicsDelegateFrame::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
event->accept();
mCurrentTool = None;
QGraphicsRectItem::mouseReleaseEvent(event);
// Show the buttons

4
src/domain/UBGraphicsDelegateFrame.h
Unescape View File

@ -39,7 +39,7 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
QPointF getFixedPointFromPos();
QSizeF getResizeVector(qreal moveX, qreal moveY);
void resizeDelegate(qreal moveX, qreal moveY);
QSizeF resizeDelegate(qreal moveX, qreal moveY);
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
@ -105,6 +105,8 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
QPointF mStartingPoint;
QTransform mInitialTransform;
QSizeF mOriginalSize;
QPointF mFixedPoint;
QGraphicsSvgItem* mBottomRightResizeGripSvgItem;
QGraphicsSvgItem* mBottomResizeGripSvgItem;

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