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Allow drawing lines by holding shift while painting #3970

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Allow drawing lines by holding shift while painting #3970

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40 changes: 30 additions & 10 deletions src/tiled/stampbrush.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,7 @@ void StampBrush::mousePressed(QGraphicsSceneMouseEvent *event)
if (brushItem()->isVisible()) {
if (event->button() == Qt::LeftButton) {
switch (mBrushState) {
case BrushState::PaintStartSet: // shouldn't occur
case BrushState::StartSet:
doPaint();
mStampReference = tilePosition();
Expand All @@ -134,19 +135,26 @@ void StampBrush::mousePressed(QGraphicsSceneMouseEvent *event)
case BrushBehavior::Line:
case BrushBehavior::Circle:
mStampReference = tilePosition();
mBrushState = BrushState::StartSet;
if (mBrushState == BrushState::Paint)
mBrushState = BrushState::PaintStartSet;
else
mBrushState = BrushState::StartSet;
break;
}
break;
case BrushState::Capture:
break;
}
return;
} else if (event->button() == Qt::RightButton &&
!(event->modifiers() & Qt::ControlModifier))
{
beginCapture();
return;
} else if (event->button() == Qt::RightButton) {
if (mBrushState == BrushState::StartSet || mBrushState == BrushState::PaintStartSet) {
mBrushState = BrushState::Free;
updatePreview();
return;
} else if (!(event->modifiers() & Qt::ControlModifier)) {
beginCapture();
return;
}
}
}

Expand All @@ -156,11 +164,14 @@ void StampBrush::mousePressed(QGraphicsSceneMouseEvent *event)
void StampBrush::mouseReleased(QGraphicsSceneMouseEvent *event)
{
switch (mBrushState) {
case BrushState::PaintStartSet:
case BrushState::StartSet:
if (event->button() == Qt::LeftButton) {
if (mStampReference != tilePosition()) {
doPaint();
mBrushState = BrushState::Free;
} else {
mBrushState = BrushState::StartSet;
}
}
break;
Expand All @@ -178,8 +189,7 @@ void StampBrush::mouseReleased(QGraphicsSceneMouseEvent *event)
updatePreview();
}
break;
default:
// do nothing?
case BrushState::Free:
break;
}
}
Expand All @@ -196,14 +206,23 @@ void StampBrush::updateBrushBehavior()
BrushState brushState = mBrushState;

if (mModifiers & Qt::ShiftModifier) {
if (mModifiers & Qt::ControlModifier)
if (mModifiers & Qt::ControlModifier) {
brushBehavior = BrushBehavior::Circle;
else
} else {
brushBehavior = BrushBehavior::Line;
}
if (brushState == BrushState::Paint) {
mStampReference = tilePosition();
brushState = BrushState::PaintStartSet;
}
} else {
brushBehavior = BrushBehavior::Neutral;
if (brushState == BrushState::StartSet)
brushState = BrushState::Free;
else if (brushState == BrushState::PaintStartSet) {
doPaint();
brushState = BrushState::Paint;
}
}

if (brushBehavior != mBrushBehavior || brushState != mBrushState) {
Expand Down Expand Up @@ -602,6 +621,7 @@ void StampBrush::updatePreview(QPoint tilePos)
} else {
switch (mBrushState) {
case BrushState::StartSet:
case BrushState::PaintStartSet:
if (mBrushBehavior == BrushBehavior::Circle) {
drawPreviewLayer(pointsOnEllipse(mStampReference,
qAbs(mStampReference.x() - tilePos.x()),
Expand Down
3 changes: 2 additions & 1 deletion src/tiled/stampbrush.h
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Original file line number Diff line number Diff line change
Expand Up @@ -135,8 +135,9 @@ public slots:
// preview of the selection
Capture, // right mouse pressed: capture a rectangle
Paint, // left mouse pressed: free painting
StartSet // when you have defined a starting point,
StartSet, // when you have defined a starting point,
// cancel with right click
PaintStartSet // starting point set while painting
};

/**
Expand Down
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