void QgsComposerView::mouseMoveEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
mMouseCurrentXY = e->pos();
//update cursor position in composer status bar
emit cursorPosChanged( mapToScene( e->pos() ) );
updateRulers();
if ( mHorizontalRuler )
{
mHorizontalRuler->updateMarker( e->posF() );
}
if ( mVerticalRuler )
{
mVerticalRuler->updateMarker( e->posF() );
}
if ( mPanning )
{
//panning, so scroll view
horizontalScrollBar()->setValue( horizontalScrollBar()->value() - ( e->x() - mMouseLastXY.x() ) );
verticalScrollBar()->setValue( verticalScrollBar()->value() - ( e->y() - mMouseLastXY.y() ) );
mMouseLastXY = e->pos();
return;
}
else if ( e->buttons() == Qt::NoButton )
{
if ( mCurrentTool == Select )
{
QGraphicsView::mouseMoveEvent( e );
}
}
else
{
QPointF scenePoint = mapToScene( e->pos() );
if ( mMarqueeSelect || mMarqueeZoom )
{
updateRubberBand( scenePoint );
return;
}
switch ( mCurrentTool )
{
case Select:
QGraphicsView::mouseMoveEvent( e );
break;
case AddArrow:
{
if ( mRubberBandLineItem )
{
mRubberBandLineItem->setLine( mRubberBandStartPos.x(), mRubberBandStartPos.y(), scenePoint.x(), scenePoint.y() );
}
break;
}
case AddMap:
case AddRectangle:
case AddTriangle:
case AddEllipse:
case AddHtml:
//adjust rubber band item
{
updateRubberBand( scenePoint );
break;
}
case MoveItemContent:
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( scenePoint.x() - mMoveContentStartPos.x(), scenePoint.y() - mMoveContentStartPos.y() );
composerMap->update();
}
break;
}
default:
break;
}
}
}
void QgsComposerView::mouseReleaseEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
QPoint mousePressStopPoint = e->pos();
int diffX = mousePressStopPoint.x() - mMousePressStartPos.x();
int diffY = mousePressStopPoint.y() - mMousePressStartPos.y();
//was this just a click? or a click and drag?
bool clickOnly = false;
if ( qAbs( diffX ) < 2 && qAbs( diffY ) < 2 )
{
clickOnly = true;
}
QPointF scenePoint = mapToScene( e->pos() );
if ( mPanning )
{
mPanning = false;
if ( clickOnly && e->button() == Qt::MidButton )
{
//middle mouse button click = recenter on point
//get current visible part of scene
QRect viewportRect( 0, 0, viewport()->width(), viewport()->height() );
QgsRectangle visibleRect = QgsRectangle( mapToScene( viewportRect ).boundingRect() );
visibleRect.scale( 1, scenePoint.x(), scenePoint.y() );
QRectF boundsRect = visibleRect.toRectF();
//zoom view to fit desired bounds
fitInView( boundsRect, Qt::KeepAspectRatio );
}
//set new cursor
if ( mCurrentTool == Pan )
{
viewport()->setCursor( Qt::OpenHandCursor );
}
else
{
if ( composition() )
{
//allow composer items to change cursor
composition()->setPreventCursorChange( false );
}
viewport()->setCursor( Qt::ArrowCursor );
}
}
if ( mMarqueeSelect )
{
endMarqueeSelect( e );
return;
}
switch ( mCurrentTool )
{
case Select:
{
QGraphicsView::mouseReleaseEvent( e );
break;
}
case Zoom:
{
if ( mMarqueeZoom )
{
endMarqueeZoom( e );
}
break;
}
case MoveItemContent:
{
if ( mMoveContentItem )
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( 0, 0 );
}
double moveX = scenePoint.x() - mMoveContentStartPos.x();
double moveY = scenePoint.y() - mMoveContentStartPos.y();
composition()->beginCommand( mMoveContentItem, tr( "Move item content" ) );
mMoveContentItem->moveContent( -moveX, -moveY );
composition()->endCommand();
mMoveContentItem = 0;
}
break;
}
case AddArrow:
if ( composition() )
{
QPointF scenePoint = mapToScene( e->pos() );
QPointF snappedScenePoint = composition()->snapPointToGrid( scenePoint );
QgsComposerArrow* composerArrow = new QgsComposerArrow( mRubberBandStartPos, QPointF( snappedScenePoint.x(), snappedScenePoint.y() ), composition() );
composition()->addComposerArrow( composerArrow );
composition()->clearSelection();
composerArrow->setSelected( true );
emit selectedItemChanged( composerArrow );
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerArrow, tr( "Arrow added" ) );
}
break;
case AddRectangle:
case AddTriangle:
case AddEllipse:
addShape( mCurrentTool );
break;
case AddMap:
if ( !mRubberBandItem || ( mRubberBandItem->rect().width() < 0.1 && mRubberBandItem->rect().height() < 0.1 ) )
{
removeRubberBand();
return;
}
if ( composition() )
{
QgsComposerMap* composerMap = new QgsComposerMap( composition(), mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() );
composition()->addComposerMap( composerMap );
composition()->clearSelection();
composerMap->setSelected( true );
emit selectedItemChanged( composerMap );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( composerMap, tr( "Map added" ) );
}
break;
case AddHtml:
if ( composition() )
{
QgsComposerHtml* composerHtml = new QgsComposerHtml( composition(), true );
QgsAddRemoveMultiFrameCommand* command = new QgsAddRemoveMultiFrameCommand( QgsAddRemoveMultiFrameCommand::Added,
composerHtml, composition(), tr( "Html item added" ) );
composition()->undoStack()->push( command );
QgsComposerFrame* frame = new QgsComposerFrame( composition(), composerHtml, mRubberBandItem->transform().dx(),
mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(),
mRubberBandItem->rect().height() );
composition()->beginMultiFrameCommand( composerHtml, tr( "Html frame added" ) );
composerHtml->addFrame( frame );
composition()->endMultiFrameCommand();
composition()->clearSelection();
frame->setSelected( true );
emit selectedItemChanged( frame );
removeRubberBand();
emit actionFinished();
}
default:
break;
}
}
void QgsComposerView::mouseMoveEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
if ( e->buttons() == Qt::NoButton )
{
if ( mCurrentTool == Select )
{
QGraphicsView::mouseMoveEvent( e );
}
}
else
{
QPointF scenePoint = mapToScene( e->pos() );
switch ( mCurrentTool )
{
case Select:
QGraphicsView::mouseMoveEvent( e );
break;
case AddArrow:
{
if ( mRubberBandLineItem )
{
mRubberBandLineItem->setLine( mRubberBandStartPos.x(), mRubberBandStartPos.y(), scenePoint.x(), scenePoint.y() );
}
break;
}
case AddMap:
case AddShape:
//adjust rubber band item
{
double x = 0;
double y = 0;
double width = 0;
double height = 0;
double dx = scenePoint.x() - mRubberBandStartPos.x();
double dy = scenePoint.y() - mRubberBandStartPos.y();
if ( dx < 0 )
{
x = scenePoint.x();
width = -dx;
}
else
{
x = mRubberBandStartPos.x();
width = dx;
}
if ( dy < 0 )
{
y = scenePoint.y();
height = -dy;
}
else
{
y = mRubberBandStartPos.y();
height = dy;
}
if ( mRubberBandItem )
{
mRubberBandItem->setRect( 0, 0, width, height );
QTransform t;
t.translate( x, y );
mRubberBandItem->setTransform( t );
}
break;
}
case MoveItemContent:
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( scenePoint.x() - mMoveContentStartPos.x(), scenePoint.y() - mMoveContentStartPos.y() );
composerMap->update();
}
break;
}
default:
break;
}
}
}
void QgsComposerView::mouseReleaseEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
QPointF scenePoint = mapToScene( e->pos() );
switch ( mCurrentTool )
{
case Select:
{
QGraphicsView::mouseReleaseEvent( e );
break;
}
case MoveItemContent:
{
if ( mMoveContentItem )
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( 0, 0 );
}
double moveX = scenePoint.x() - mMoveContentStartPos.x();
double moveY = scenePoint.y() - mMoveContentStartPos.y();
composition()->beginCommand( mMoveContentItem, tr( "Move item content" ) );
mMoveContentItem->moveContent( -moveX, -moveY );
composition()->endCommand();
mMoveContentItem = 0;
}
break;
}
case AddArrow:
if ( composition() )
{
QPointF scenePoint = mapToScene( e->pos() );
QPointF snappedScenePoint = composition()->snapPointToGrid( scenePoint );
QgsComposerArrow* composerArrow = new QgsComposerArrow( mRubberBandStartPos, QPointF( snappedScenePoint.x(), snappedScenePoint.y() ), composition() );
composition()->addComposerArrow( composerArrow );
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerArrow, tr( "Arrow added" ) );
}
break;
case AddShape:
if ( !mRubberBandItem || mRubberBandItem->rect().width() < 0.1 || mRubberBandItem->rect().width() < 0.1 )
{
scene()->removeItem( mRubberBandItem );
delete mRubberBandItem;
mRubberBandItem = 0;
return;
}
if ( composition() )
{
QgsComposerShape* composerShape = new QgsComposerShape( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height(), composition() );
composition()->addComposerShape( composerShape );
scene()->removeItem( mRubberBandItem );
delete mRubberBandItem;
mRubberBandItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerShape, tr( "Shape added" ) );
}
break;
case AddMap:
if ( !mRubberBandItem || mRubberBandItem->rect().width() < 0.1 || mRubberBandItem->rect().width() < 0.1 )
{
if ( mRubberBandItem )
{
scene()->removeItem( mRubberBandItem );
delete mRubberBandItem;
mRubberBandItem = 0;
}
return;
}
if ( composition() )
{
QgsComposerMap* composerMap = new QgsComposerMap( composition(), mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() );
composition()->addComposerMap( composerMap );
scene()->removeItem( mRubberBandItem );
delete mRubberBandItem;
mRubberBandItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerMap, tr( "Map added" ) );
}
break;
default:
break;
}
}
void QgsComposerView::mouseReleaseEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
QPointF scenePoint = mapToScene( e->pos() );
if ( mPanning )
{
mPanning = false;
//set new cursor
if ( mCurrentTool == Pan )
{
viewport()->setCursor( Qt::OpenHandCursor );
}
else
{
if ( composition() )
{
//allow composer items to change cursor
composition()->setPreventCursorChange( false );
}
viewport()->setCursor( Qt::ArrowCursor );
}
}
if ( mMarqueeSelect )
{
endMarqueeSelect( e );
return;
}
switch ( mCurrentTool )
{
case Select:
{
QGraphicsView::mouseReleaseEvent( e );
break;
}
case MoveItemContent:
{
if ( mMoveContentItem )
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( 0, 0 );
}
double moveX = scenePoint.x() - mMoveContentStartPos.x();
double moveY = scenePoint.y() - mMoveContentStartPos.y();
composition()->beginCommand( mMoveContentItem, tr( "Move item content" ) );
mMoveContentItem->moveContent( -moveX, -moveY );
composition()->endCommand();
mMoveContentItem = 0;
}
break;
}
case AddArrow:
if ( composition() )
{
QPointF scenePoint = mapToScene( e->pos() );
QPointF snappedScenePoint = composition()->snapPointToGrid( scenePoint );
QgsComposerArrow* composerArrow = new QgsComposerArrow( mRubberBandStartPos, QPointF( snappedScenePoint.x(), snappedScenePoint.y() ), composition() );
composition()->addComposerArrow( composerArrow );
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerArrow, tr( "Arrow added" ) );
}
break;
case AddRectangle:
case AddTriangle:
case AddEllipse:
addShape( mCurrentTool );
break;
case AddMap:
if ( !mRubberBandItem || mRubberBandItem->rect().width() < 0.1 || mRubberBandItem->rect().width() < 0.1 )
{
removeRubberBand();
return;
}
if ( composition() )
{
QgsComposerMap* composerMap = new QgsComposerMap( composition(), mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() );
composition()->addComposerMap( composerMap );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( composerMap, tr( "Map added" ) );
}
break;
case AddHtml:
if ( composition() )
{
QgsComposerHtml* composerHtml = new QgsComposerHtml( composition(), true );
QgsAddRemoveMultiFrameCommand* command = new QgsAddRemoveMultiFrameCommand( QgsAddRemoveMultiFrameCommand::Added,
composerHtml, composition(), tr( "Html item added" ) );
composition()->undoStack()->push( command );
QgsComposerFrame* frame = new QgsComposerFrame( composition(), composerHtml, mRubberBandItem->transform().dx(),
mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(),
mRubberBandItem->rect().height() );
composition()->beginMultiFrameCommand( composerHtml, tr( "Html frame added" ) );
composerHtml->addFrame( frame );
composition()->endMultiFrameCommand();
removeRubberBand();
emit actionFinished();
}
default:
break;
}
}
void QgsComposerView::mouseReleaseEvent( QMouseEvent* e )
{
if ( !composition() )
{
return;
}
if ( e->button() != Qt::LeftButton &&
( composition()->selectionHandles()->isDragging() || composition()->selectionHandles()->isResizing() ) )
{
//ignore clicks while dragging/resizing items
return;
}
QPoint mousePressStopPoint = e->pos();
int diffX = mousePressStopPoint.x() - mMousePressStartPos.x();
int diffY = mousePressStopPoint.y() - mMousePressStartPos.y();
//was this just a click? or a click and drag?
bool clickOnly = false;
if ( qAbs( diffX ) < 2 && qAbs( diffY ) < 2 )
{
clickOnly = true;
}
QPointF scenePoint = mapToScene( e->pos() );
if ( mMousePanning || mToolPanning )
{
mMousePanning = false;
mToolPanning = false;
if ( clickOnly && e->button() == Qt::MidButton )
{
//middle mouse button click = recenter on point
//get current visible part of scene
QRect viewportRect( 0, 0, viewport()->width(), viewport()->height() );
QgsRectangle visibleRect = QgsRectangle( mapToScene( viewportRect ).boundingRect() );
visibleRect.scale( 1, scenePoint.x(), scenePoint.y() );
QRectF boundsRect = visibleRect.toRectF();
//zoom view to fit desired bounds
fitInView( boundsRect, Qt::KeepAspectRatio );
}
//set new cursor
if ( mCurrentTool != Pan )
{
if ( composition() )
{
//allow composer items to change cursor
composition()->setPreventCursorChange( false );
}
}
viewport()->setCursor( defaultCursorForTool( mCurrentTool ) );
}
//for every other tool, ignore clicks of non-left button
if ( e->button() != Qt::LeftButton )
{
return;
}
if ( mMarqueeSelect )
{
endMarqueeSelect( e );
return;
}
switch ( mCurrentTool )
{
case Select:
{
QGraphicsView::mouseReleaseEvent( e );
break;
}
case Zoom:
{
if ( mMarqueeZoom )
{
endMarqueeZoom( e );
}
break;
}
case MoveItemContent:
{
if ( mMoveContentItem )
{
//update map preview if composer map
QgsComposerMap* composerMap = dynamic_cast<QgsComposerMap *>( mMoveContentItem );
if ( composerMap )
{
composerMap->setOffset( 0, 0 );
}
double moveX = scenePoint.x() - mMoveContentStartPos.x();
double moveY = scenePoint.y() - mMoveContentStartPos.y();
composition()->beginCommand( mMoveContentItem, tr( "Move item content" ) );
mMoveContentItem->moveContent( -moveX, -moveY );
composition()->endCommand();
mMoveContentItem = 0;
mMovingItemContent = false;
}
break;
}
case AddArrow:
if ( !composition() || !mRubberBandLineItem )
{
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
return;
}
else
{
QgsComposerArrow* composerArrow = new QgsComposerArrow( mRubberBandLineItem->line().p1(), mRubberBandLineItem->line().p2(), composition() );
composition()->addComposerArrow( composerArrow );
composition()->clearSelection();
composerArrow->setSelected( true );
emit selectedItemChanged( composerArrow );
scene()->removeItem( mRubberBandLineItem );
delete mRubberBandLineItem;
mRubberBandLineItem = 0;
emit actionFinished();
composition()->pushAddRemoveCommand( composerArrow, tr( "Arrow added" ) );
}
break;
case AddRectangle:
case AddTriangle:
case AddEllipse:
addShape( mCurrentTool );
break;
case AddMap:
if ( !composition() || !mRubberBandItem || ( mRubberBandItem->rect().width() < 0.1 && mRubberBandItem->rect().height() < 0.1 ) )
{
removeRubberBand();
return;
}
else
{
QgsComposerMap* composerMap = new QgsComposerMap( composition(), mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() );
composition()->addComposerMap( composerMap );
composition()->clearSelection();
composerMap->setSelected( true );
emit selectedItemChanged( composerMap );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( composerMap, tr( "Map added" ) );
}
break;
case AddPicture:
if ( !composition() || !mRubberBandItem || ( mRubberBandItem->rect().width() < 0.1 && mRubberBandItem->rect().height() < 0.1 ) )
{
removeRubberBand();
return;
}
else
{
QgsComposerPicture* newPicture = new QgsComposerPicture( composition() );
newPicture->setSceneRect( QRectF( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() ) );
composition()->addComposerPicture( newPicture );
composition()->clearSelection();
newPicture->setSelected( true );
emit selectedItemChanged( newPicture );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( newPicture, tr( "Picture added" ) );
}
break;
case AddLabel:
if ( !composition() || !mRubberBandItem )
{
removeRubberBand();
return;
}
else
{
QgsComposerLabel* newLabelItem = new QgsComposerLabel( composition() );
newLabelItem->setText( tr( "QGIS" ) );
newLabelItem->adjustSizeToText();
//make sure label size is sufficient to fit text
double labelWidth = qMax( mRubberBandItem->rect().width(), newLabelItem->rect().width() );
double labelHeight = qMax( mRubberBandItem->rect().height(), newLabelItem->rect().height() );
newLabelItem->setSceneRect( QRectF( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), labelWidth, labelHeight ) );
composition()->addComposerLabel( newLabelItem );
composition()->clearSelection();
newLabelItem->setSelected( true );
emit selectedItemChanged( newLabelItem );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( newLabelItem, tr( "Label added" ) );
}
break;
case AddLegend:
if ( !composition() || !mRubberBandItem )
{
removeRubberBand();
return;
}
else
{
QgsComposerLegend* newLegend = new QgsComposerLegend( composition() );
newLegend->setSceneRect( QRectF( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), mRubberBandItem->rect().height() ) );
composition()->addComposerLegend( newLegend );
newLegend->updateLegend();
composition()->clearSelection();
newLegend->setSelected( true );
emit selectedItemChanged( newLegend );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( newLegend, tr( "Legend added" ) );
}
break;
case AddTable:
if ( !composition() || !mRubberBandItem )
{
removeRubberBand();
return;
}
else
{
QgsComposerAttributeTable* newTable = new QgsComposerAttributeTable( composition() );
newTable->setSceneRect( QRectF( mRubberBandItem->transform().dx(), mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(), qMax( mRubberBandItem->rect().height(), 15.0 ) ) );
QList<const QgsComposerMap*> mapItemList = composition()->composerMapItems();
if ( mapItemList.size() > 0 )
{
newTable->setComposerMap( mapItemList.at( 0 ) );
}
composition()->addComposerTable( newTable );
composition()->clearSelection();
newTable->setSelected( true );
emit selectedItemChanged( newTable );
removeRubberBand();
emit actionFinished();
composition()->pushAddRemoveCommand( newTable, tr( "Table added" ) );
}
break;
case AddHtml:
if ( !composition() || !mRubberBandItem || ( mRubberBandItem->rect().width() < 0.1 && mRubberBandItem->rect().height() < 0.1 ) )
{
removeRubberBand();
return;
}
else
{
QgsComposerHtml* composerHtml = new QgsComposerHtml( composition(), true );
QgsAddRemoveMultiFrameCommand* command = new QgsAddRemoveMultiFrameCommand( QgsAddRemoveMultiFrameCommand::Added,
composerHtml, composition(), tr( "Html item added" ) );
composition()->undoStack()->push( command );
QgsComposerFrame* frame = new QgsComposerFrame( composition(), composerHtml, mRubberBandItem->transform().dx(),
mRubberBandItem->transform().dy(), mRubberBandItem->rect().width(),
mRubberBandItem->rect().height() );
composition()->beginMultiFrameCommand( composerHtml, tr( "Html frame added" ) );
composerHtml->addFrame( frame );
composition()->endMultiFrameCommand();
composition()->clearSelection();
frame->setSelected( true );
emit selectedItemChanged( frame );
removeRubberBand();
emit actionFinished();
}
default:
break;
}
}