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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.
preferencesAboutTextFull
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. 287
      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) void UBBoardView::handleItemMouseMove(QMouseEvent *event)
{ {
if (!movingItem)
return;
// determine item to move (maybee we need to move group of item or his parent. // determine item to move (maybee we need to move group of item or his parent.
movingItem = determineItemToMove(movingItem); movingItem = determineItemToMove(movingItem);

287
src/domain/UBGraphicsDelegateFrame.cpp
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@ -224,12 +224,14 @@ void UBGraphicsDelegateFrame::mousePressEvent(QGraphicsSceneMouseEvent *event)
mAngleOffset = 0; mAngleOffset = 0;
mInitialTransform = buildTransform(); mInitialTransform = buildTransform();
mOriginalSize = delegated()->boundingRect().size();
mCurrentTool = toolFromPos(event->pos()); mCurrentTool = toolFromPos(event->pos());
setCursorFromAngle(QString::number((int)mAngle % 360)); setCursorFromAngle(QString::number((int)mAngle % 360));
event->accept(); event->accept();
prepareFramesToMove(getLinkedFrames()); if (moving())
prepareFramesToMove(getLinkedFrames());
} }
@ -358,20 +360,25 @@ QSizeF UBGraphicsDelegateFrame::getResizeVector(qreal moveX, qreal moveY)
return QSizeF(dPosX, dPosY); 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()); UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(delegated());
if (resizableItem) if (resizableItem)
{ {
QSizeF originalSize = delegated()->boundingRect().size(); incVector = getResizeVector(moveX, moveY);
resizableItem->resize(originalSize + getResizeVector(moveX, moveY)); resizableItem->resize(mOriginalSize + incVector);
if (resizingTop() || resizingLeft() || ((mMirrorX || mMirrorY) && resizingBottomRight())) 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) void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
@ -379,113 +386,111 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
if (None == mCurrentTool) if (None == mCurrentTool)
return; return;
QLineF move; QLineF move = QLineF(mStartingPoint, event->scenePos());
if(rotating() || moving() || mOperationMode == Scaling)
move = QLineF(mStartingPoint, event->scenePos());
else
move = QLineF(event->lastScenePos(), event->scenePos());
qreal moveX = move.length() * cos((move.angle() - mAngle) * PI / 180); qreal moveX = move.length() * cos((move.angle() - mAngle) * PI / 180);
qreal moveY = -move.length() * sin((move.angle() - mAngle) * PI / 180); qreal moveY = -move.length() * sin((move.angle() - mAngle) * PI / 180);
qreal width = delegated()->boundingRect().width() * mTotalScaleX; qreal width = delegated()->boundingRect().width() * mTotalScaleX;
qreal height = delegated()->boundingRect().height() * mTotalScaleY; qreal height = delegated()->boundingRect().height() * mTotalScaleY;
if(!rotating()) if (mOperationMode == Scaling)
{ {
mTranslateX = moveX; if(!rotating())
// Perform the resize
if (resizingBottomRight())
{ {
// ----------------------------------------------------- mTranslateX = moveX;
// ! We want to keep the aspect ratio with this resize ! // Perform the resize
// ----------------------------------------------------- if (resizingBottomRight())
qreal scaleX; {
qreal scaleY; // -----------------------------------------------------
// ! We want to keep the aspect ratio with this resize !
if(!mMirrorX){ // -----------------------------------------------------
scaleX = (width + moveX) / width; qreal scaleX;
}else{ qreal scaleY;
scaleX = (width - moveX) / width;
}
if(!mMirrorY){
scaleY = (height + moveY) / height;
}else{
scaleY = (height - moveY) / height;
}
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(!mMirrorY){
if (canResizeBottomRight(width, height, scaleFactor)) scaleY = (height + moveY) / height;
{ }else{
if (mRespectRatio) scaleY = (height - moveY) / height;
{
mScaleX = scaleFactor;
mScaleY = scaleFactor;
} }
else
qreal scaleFactor = (scaleX + scaleY) / 2;
// Do not allow resizing of image size under frame size
if (canResizeBottomRight(width, height, scaleFactor))
{ {
mScaleX = scaleX; if (mRespectRatio)
mScaleY = scaleY; {
} mScaleX = scaleFactor;
} mScaleY = scaleFactor;
}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
}else if (scaleX > 1 || (width * scaleX) > 2 * mFrameWidth){ {
mScaleX = scaleX; mScaleX = scaleX;
if(resizingLeft()){ mScaleY = scaleY;
mTranslateX = moveX;
} }
} }
} }else if (resizingLeft() || resizingRight())
}else if(resizingTop() || resizingBottom()){ {
if(height != 0){ if(width != 0){
qreal scaleY = 0.0; qreal scaleX = 0.0;
if(resizingTop()){ if(resizingLeft()){
scaleY = (height - moveY) / height; scaleX = (width - moveX) / width;
}else if(resizingBottom()){ }else if(resizingRight()){
scaleY = (height + moveY) / height; scaleX = (width + moveX) / width;
} }
if(mDelegate->isFlippable() && qAbs(scaleX) != 0){
if(mDelegate->isFlippable() && qAbs(scaleY) != 0){ if((qAbs(width * scaleX)) < 2*mFrameWidth){
if((qAbs(height * scaleY)) < 2*mFrameWidth){ bool negative = (scaleX < 0)?true:false;
bool negative = (scaleY < 0)?true:false; if(negative){
if(negative){ if(mMirrorX)
if(mMirrorY) scaleX = 2*mFrameWidth/width;
scaleY = 2*mFrameWidth/width; else
else scaleX = -2*mFrameWidth/width;
scaleY = -2*mFrameWidth/width; }else{
}else{ scaleX = -1;
scaleY = -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) }else if(resizingTop() || resizingBottom()){
{ if(height != 0){
mScaleY = scaleY; qreal scaleY = 0.0;
if(resizingTop()){ 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); moveLinkedItems(move);
} }
QTransform tr = buildTransform(); if (mOperationMode == Scaling || moving() || rotating())
if (resizingRight() || resizingBottom() || resizingBottomRight())
{ {
QPointF ref; QTransform tr = buildTransform();
// we just detects coordinates of corner before and after scaling and then moves object at diff between them. if (resizingRight() || resizingBottom() || resizingBottomRight())
if (resizingBottomRight() && mMirrorX)
{ {
mTranslateX += mInitialTransform.map(delegated()->boundingRect().bottomRight()).x() - tr.map(delegated()->boundingRect().bottomRight()).x(); QPointF ref;
mTranslateY += mInitialTransform.map(delegated()->boundingRect().bottomRight()).y() - tr.map(delegated()->boundingRect().bottomRight()).y();
// 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(); QPointF bottomRight = tr.map(delegated()->boundingRect().bottomRight());
mTranslateY += mInitialTransform.map(delegated()->boundingRect().topLeft()).y() - tr.map(delegated()->boundingRect().topLeft()).y(); 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()) else // resizing/resizing horizontally
{ {
QPointF bottomRight = tr.map(delegated()->boundingRect().bottomRight());
QPointF fixedPoint = mInitialTransform.map(delegated()->boundingRect().bottomRight());
mTranslateX += fixedPoint.x() - bottomRight.x();
mTranslateY += fixedPoint.y() - bottomRight.y();
}
if (resizingBottomRight())
if (mOperationMode == Scaling || moving() || rotating())
{
tr = buildTransform();
delegated()->setTransform(tr);
}
else if (mOperationMode == Resizing)
{
if (!moving() && !rotating())
{ {
if (resizingBottomRight()) static QSizeF incV = QSizeF();
{ static QSizeF incH = QSizeF();
if (mMirrorX && mMirrorY)
mCurrentTool = ResizeTop;
else
mCurrentTool = ResizeBottom;
resizeDelegate(moveX, moveY); if (mMirrorX && mMirrorY)
mCurrentTool = ResizeTop;
else
mCurrentTool = ResizeBottom;
if (mMirrorX && mMirrorY) mOriginalSize -= incH;
mCurrentTool = ResizeLeft;
else
mCurrentTool = ResizeRight;
resizeDelegate(moveX, moveY); incV = resizeDelegate(moveX, moveY);
mCurrentTool = ResizeBottomRight; mOriginalSize += incV;
}
if (mMirrorX && mMirrorY)
mCurrentTool = ResizeLeft;
else else
resizeDelegate(moveX, moveY); mCurrentTool = ResizeRight;
incH = resizeDelegate(moveX, moveY);
mOriginalSize -= incV;
mOriginalSize += incH;
mCurrentTool = ResizeBottomRight;
} }
else
resizeDelegate(moveX, moveY);
} }
event->accept(); event->accept();
} }
@ -689,6 +699,7 @@ void UBGraphicsDelegateFrame::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
event->accept(); event->accept();
mCurrentTool = None; mCurrentTool = None;
QGraphicsRectItem::mouseReleaseEvent(event); QGraphicsRectItem::mouseReleaseEvent(event);
// Show the buttons // Show the buttons

4
src/domain/UBGraphicsDelegateFrame.h
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@ -39,7 +39,7 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event); virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
QPointF getFixedPointFromPos(); QPointF getFixedPointFromPos();
QSizeF getResizeVector(qreal moveX, qreal moveY); 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 mouseMoveEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
@ -105,6 +105,8 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
QPointF mStartingPoint; QPointF mStartingPoint;
QTransform mInitialTransform; QTransform mInitialTransform;
QSizeF mOriginalSize;
QPointF mFixedPoint;
QGraphicsSvgItem* mBottomRightResizeGripSvgItem; QGraphicsSvgItem* mBottomRightResizeGripSvgItem;
QGraphicsSvgItem* mBottomResizeGripSvgItem; QGraphicsSvgItem* mBottomResizeGripSvgItem;

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