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Lock rotation handle UI/UX behind an enabled boolean

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This commit is contained in:
Mathieu Pellerin 2025-05-17 16:54:56 +07:00 committed by Nyall Dawson
parent ae463d8b75
commit 1f6c1277dd
3 changed files with 75 additions and 49 deletions
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2
src/gui/layout/qgslayoutmousehandles.cpp
View File

@ -44,6 +44,8 @@ QgsLayoutMouseHandles::QgsLayoutMouseHandles( QgsLayout *layout, QgsLayoutView *
, mLayout( layout )
, mView( view )
{
setRotationEnabled( true );
//listen for selection changes, and update handles accordingly
connect( mLayout, &QGraphicsScene::selectionChanged, this, &QgsLayoutMouseHandles::selectionChanged );

22
src/gui/qgsgraphicsviewmousehandles.cpp
View File

@ -47,6 +47,17 @@ QgsGraphicsViewMouseHandles::QgsGraphicsViewMouseHandles( QGraphicsView *view )
mRotationHandlePath.lineTo( 0, 14 );
}
void QgsGraphicsViewMouseHandles::setRotationEnabled( bool enable )
{
if ( mRotationEnabled == enable )
{
return;
}
mRotationEnabled = enable;
update();
}
void QgsGraphicsViewMouseHandles::paintInternal( QPainter *painter, bool showHandles, bool showStaticBoundingBoxes, bool showTemporaryBoundingBoxes, const QStyleOptionGraphicsItem *, QWidget * )
{
if ( !showHandles )
@ -142,6 +153,8 @@ void QgsGraphicsViewMouseHandles::drawHandles( QPainter *painter, double rectHan
//bottom right
painter->drawRect( QRectF( rect().width() - rectHandlerSize, rect().height() - rectHandlerSize, rectHandlerSize, rectHandlerSize ) );
if ( isRotationEnabled() )
{
//draw rotate handles
const double scale = rectHandlerSize / mHandleSize;
const bool drawBottomRotationHandles = ( rectHandlerSize * 2 ) + ( mRotationHandleSize * scale * 2 ) < rect().height();
@ -195,6 +208,7 @@ void QgsGraphicsViewMouseHandles::drawHandles( QPainter *painter, double rectHan
painter->drawPath( mRotationHandlePath );
painter->restore();
}
}
}
void QgsGraphicsViewMouseHandles::drawSelectedItemBounds( QPainter *painter )
@ -434,7 +448,7 @@ Qgis::MouseHandlesAction QgsGraphicsViewMouseHandles::mouseActionForPosition( QP
{
nearLeftBorder = true;
}
else if ( itemCoordPos.x() >= borderTolerance && itemCoordPos.x() < ( borderTolerance + innerTolerance ) )
else if ( isRotationEnabled() && itemCoordPos.x() >= borderTolerance && itemCoordPos.x() < ( borderTolerance + innerTolerance ) )
{
nearLeftInner = true;
}
@ -442,7 +456,7 @@ Qgis::MouseHandlesAction QgsGraphicsViewMouseHandles::mouseActionForPosition( QP
{
nearUpperBorder = true;
}
else if ( itemCoordPos.y() >= borderTolerance && itemCoordPos.y() < ( borderTolerance + innerTolerance ) )
else if ( isRotationEnabled() && itemCoordPos.y() >= borderTolerance && itemCoordPos.y() < ( borderTolerance + innerTolerance ) )
{
nearUpperInner = true;
}
@ -450,7 +464,7 @@ Qgis::MouseHandlesAction QgsGraphicsViewMouseHandles::mouseActionForPosition( QP
{
nearRightBorder = true;
}
else if ( itemCoordPos.x() <= ( rect().width() - borderTolerance ) && itemCoordPos.x() > ( rect().width() - borderTolerance - innerTolerance ) )
else if ( isRotationEnabled() && itemCoordPos.x() <= ( rect().width() - borderTolerance ) && itemCoordPos.x() > ( rect().width() - borderTolerance - innerTolerance ) )
{
nearRightInner = true;
}
@ -458,7 +472,7 @@ Qgis::MouseHandlesAction QgsGraphicsViewMouseHandles::mouseActionForPosition( QP
{
nearLowerBorder = true;
}
else if ( itemCoordPos.y() <= ( rect().height() - borderTolerance ) && itemCoordPos.y() > ( rect().height() - borderTolerance - innerTolerance ) )
else if ( isRotationEnabled() && itemCoordPos.y() <= ( rect().height() - borderTolerance ) && itemCoordPos.y() > ( rect().height() - borderTolerance - innerTolerance ) )
{
nearLowerInner = true;
}

10
src/gui/qgsgraphicsviewmousehandles.h
View File

@ -85,6 +85,12 @@ class GUI_EXPORT QgsGraphicsViewMouseHandles : public QObject, public QGraphicsR
//! Initializes a drag operation \since QGIS 3.34
void startMove( QPointF sceneCoordPos );
//! Returns TRUE if rotation functionality is enabled
bool isRotationEnabled() const { return mRotationEnabled; }
//! Sets whether rotation functionality is enabled
void setRotationEnabled( bool enable );
public slots:
//! Redraws handles when selected item size changes
@ -214,10 +220,14 @@ class GUI_EXPORT QgsGraphicsViewMouseHandles : public QObject, public QGraphicsR
QRectF mResizeRect;
bool mRotationEnabled = false;
//! Center point around which rotation occurs
QPointF mRotationCenter;
//! The starting rotation angle from center point
double mRotationBegin = 0.0;
//! The current rotation angle from center point
double mRotationCurrent = 0.0;
//! The rotation angle delta to be applied (can be snapped to common angle)
double mRotationDelta = 0.0;
//! Start point of the last mouse move action (in scene coordinates)