philipp/KDDockWidgets
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Enable resizing the overlayed dock widgets

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Fixed WidgetResizeHandler to not allow it to resize the overlay
bigger than its parent

For issue #116

The size isn't remembered though. Next time you open the overlay
it will have the previous size.
This commit is contained in:
Sergio Martins
2020-12-18 17:15:03 +00:00
parent 23b69d4e9e
commit e5809c06c7
3 changed files with 34 additions and 2 deletions
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18
src/private/WidgetResizeHandler.cpp
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@@ -52,6 +52,11 @@ void WidgetResizeHandler::setAllowedResizeSides(CursorPositions sides)
mAllowedResizeSides = sides;
}
void WidgetResizeHandler::setResizeGap(int gap)
{
m_resizeGap = gap;
}
int WidgetResizeHandler::widgetResizeHandlerMargin()
{
return 4; // pixels
@@ -133,6 +138,11 @@ bool WidgetResizeHandler::mouseMoveEvent(QMouseEvent *e)
const QRect oldGeometry = KDDockWidgets::globalGeometry(mTarget);
QRect newGeometry = oldGeometry;
auto targetsParent = KDDockWidgets::Private::parentWidget(mTarget);
QRect parentGeometry;
if (!mTarget->isTopLevel() && targetsParent)
parentGeometry = targetsParent->geometry();
{
int deltaWidth = 0;
int newWidth = 0;
@@ -143,6 +153,7 @@ bool WidgetResizeHandler::mouseMoveEvent(QMouseEvent *e)
case CursorPosition_TopLeft:
case CursorPosition_Left:
case CursorPosition_BottomLeft: {
parentGeometry = parentGeometry.adjusted(0, m_resizeGap, 0, 0);
deltaWidth = oldGeometry.left() - globalPos.x();
newWidth = qBound(minWidth, mTarget->width() + deltaWidth, maxWidth);
deltaWidth = newWidth - mTarget->width();
@@ -156,6 +167,7 @@ bool WidgetResizeHandler::mouseMoveEvent(QMouseEvent *e)
case CursorPosition_TopRight:
case CursorPosition_Right:
case CursorPosition_BottomRight: {
parentGeometry = parentGeometry.adjusted(0, 0, -m_resizeGap, 0);
deltaWidth = globalPos.x() - newGeometry.right();
newWidth = qBound(minWidth, mTarget->width() + deltaWidth, maxWidth);
deltaWidth = newWidth - mTarget->width();
@@ -178,6 +190,7 @@ bool WidgetResizeHandler::mouseMoveEvent(QMouseEvent *e)
case CursorPosition_TopLeft:
case CursorPosition_Top:
case CursorPosition_TopRight: {
parentGeometry = parentGeometry.adjusted(0, m_resizeGap, 0, 0);
deltaHeight = oldGeometry.top() - globalPos.y();
newHeight = qBound(minHeight, mTarget->height() + deltaHeight, maxHeight);
deltaHeight = newHeight - mTarget->height();
@@ -191,6 +204,7 @@ bool WidgetResizeHandler::mouseMoveEvent(QMouseEvent *e)
case CursorPosition_BottomLeft:
case CursorPosition_Bottom:
case CursorPosition_BottomRight: {
parentGeometry = parentGeometry.adjusted(0, 0, 0, -m_resizeGap);
deltaHeight = globalPos.y() - newGeometry.bottom();
newHeight = qBound(minHeight, mTarget->height() + deltaHeight, maxHeight);
deltaHeight = newHeight - mTarget->height();
@@ -206,6 +220,10 @@ bool WidgetResizeHandler::mouseMoveEvent(QMouseEvent *e)
if (newGeometry != mTarget->geometry()) {
if (!mTarget->isTopLevel()) {
// Clip to parent's geometry.
newGeometry = newGeometry.intersected(parentGeometry);
// Back to local.
newGeometry.moveTopLeft(mTarget->mapFromGlobal(newGeometry.topLeft()) + mTarget->pos());
}