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| Original file line number | Diff line number | Diff line change |
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| /************************************************************************ | ||
| * This file has been generated automatically from * | ||
| * * | ||
| * src/gui/layout/qgslayoutviewtoolzoom.h * | ||
| * * | ||
| * Do not edit manually ! Edit header and run scripts/sipify.pl again * | ||
| ************************************************************************/ | ||
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| class QgsLayoutViewToolZoom : QgsLayoutViewTool | ||
| { | ||
| %Docstring | ||
| Layout view tool for zooming into and out of the layout. | ||
| .. versionadded:: 3.0 | ||
| %End | ||
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| %TypeHeaderCode | ||
| #include "qgslayoutviewtoolzoom.h" | ||
| %End | ||
| public: | ||
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| QgsLayoutViewToolZoom( QgsLayoutView *view ); | ||
| %Docstring | ||
| Constructor for QgsLayoutViewToolZoom. | ||
| %End | ||
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| virtual void layoutPressEvent( QgsLayoutViewMouseEvent *event ); | ||
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| virtual void layoutMoveEvent( QgsLayoutViewMouseEvent *event ); | ||
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| virtual void layoutReleaseEvent( QgsLayoutViewMouseEvent *event ); | ||
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| virtual void deactivate(); | ||
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| }; | ||
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| /************************************************************************ | ||
| * This file has been generated automatically from * | ||
| * * | ||
| * src/gui/layout/qgslayoutviewtoolzoom.h * | ||
| * * | ||
| * Do not edit manually ! Edit header and run scripts/sipify.pl again * | ||
| ************************************************************************/ |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,115 @@ | ||
| /*************************************************************************** | ||
| qgslayoutviewtoolzoom.cpp | ||
| ------------------------- | ||
| Date : July 2017 | ||
| Copyright : (C) 2017 Nyall Dawson | ||
| Email : nyall dot dawson at gmail dot com | ||
| *************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
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| #include "qgslayoutviewtoolzoom.h" | ||
| #include "qgslayoutviewmouseevent.h" | ||
| #include "qgslayoutview.h" | ||
| #include "qgslayoutviewrubberband.h" | ||
| #include "qgsrectangle.h" | ||
| #include "qgscursors.h" | ||
| #include <QScrollBar> | ||
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| QgsLayoutViewToolZoom::QgsLayoutViewToolZoom( QgsLayoutView *view ) | ||
| : QgsLayoutViewTool( view, tr( "Pan" ) ) | ||
| { | ||
| QPixmap zoomQPixmap = QPixmap( ( const char ** )( zoom_in ) ); | ||
| setCursor( QCursor( zoomQPixmap, 7, 7 ) ); | ||
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| mRubberBand.reset( new QgsLayoutViewRectangularRubberBand( view ) ); | ||
| mRubberBand->setBrush( QBrush( QColor( 70, 50, 255, 25 ) ) ); | ||
| mRubberBand->setPen( QPen( QBrush( QColor( 70, 50, 255, 100 ) ), 0 ) ); | ||
| } | ||
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| void QgsLayoutViewToolZoom::layoutPressEvent( QgsLayoutViewMouseEvent *event ) | ||
| { | ||
| if ( event->button() != Qt::LeftButton ) | ||
| { | ||
| return; | ||
| } | ||
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| mMousePressStartPos = event->pos(); | ||
| if ( event->modifiers() & Qt::AltModifier ) | ||
| { | ||
| //zoom out action, so zoom out and recenter on clicked point | ||
| double scaleFactor = 2; | ||
| //get current visible part of scene | ||
| QRect viewportRect( 0, 0, view()->viewport()->width(), view()->viewport()->height() ); | ||
| QgsRectangle visibleRect = QgsRectangle( view()->mapToScene( viewportRect ).boundingRect() ); | ||
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| visibleRect.scale( scaleFactor, event->layoutPoint().x(), event->layoutPoint().y() ); | ||
| QRectF boundsRect = visibleRect.toRectF(); | ||
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| //zoom view to fit desired bounds | ||
| view()->fitInView( boundsRect, Qt::KeepAspectRatio ); | ||
| } | ||
| else | ||
| { | ||
| //zoom in action | ||
| startMarqueeZoom( event->layoutPoint() ); | ||
| } | ||
| } | ||
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| void QgsLayoutViewToolZoom::layoutMoveEvent( QgsLayoutViewMouseEvent *event ) | ||
| { | ||
| if ( !mMarqueeZoom ) | ||
| return; | ||
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| mRubberBand->update( event->layoutPoint(), 0 ); | ||
| } | ||
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| void QgsLayoutViewToolZoom::layoutReleaseEvent( QgsLayoutViewMouseEvent *event ) | ||
| { | ||
| if ( !mMarqueeZoom || event->button() != Qt::LeftButton ) | ||
| { | ||
| return; | ||
| } | ||
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| mMarqueeZoom = false; | ||
| QRectF newBoundsRect = mRubberBand->finish( event->layoutPoint() ); | ||
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| // click? or click-and-drag? | ||
| if ( !isClickAndDrag( mMousePressStartPos, event->pos() ) ) | ||
| { | ||
| //just a click, so zoom to clicked point and recenter | ||
| double scaleFactor = 0.5; | ||
| //get current visible part of scene | ||
| QRect viewportRect( 0, 0, view()->viewport()->width(), view()->viewport()->height() ); | ||
| QgsRectangle visibleRect = QgsRectangle( view()->mapToScene( viewportRect ).boundingRect() ); | ||
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| visibleRect.scale( scaleFactor, event->layoutPoint().x(), event->layoutPoint().y() ); | ||
| newBoundsRect = visibleRect.toRectF(); | ||
| } | ||
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| //zoom view to fit desired bounds | ||
| view()->fitInView( newBoundsRect, Qt::KeepAspectRatio ); | ||
| } | ||
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| void QgsLayoutViewToolZoom::deactivate() | ||
| { | ||
| if ( mMarqueeZoom ) | ||
| { | ||
| mMarqueeZoom = false; | ||
| mRubberBand->finish(); | ||
| } | ||
| QgsLayoutViewTool::deactivate(); | ||
| } | ||
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| void QgsLayoutViewToolZoom::startMarqueeZoom( QPointF scenePoint ) | ||
| { | ||
| mMarqueeZoom = true; | ||
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| mRubberBandStartPos = scenePoint; | ||
| mRubberBand->start( scenePoint, 0 ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /*************************************************************************** | ||
| qgslayoutviewtoolzoom.h | ||
| ----------------------- | ||
| Date : July 2017 | ||
| Copyright : (C) 2017 Nyall Dawson | ||
| Email : nyall dot dawson at gmail dot com | ||
| *************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
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| #ifndef QGSLAYOUTVIEWTOOLZOOM_H | ||
| #define QGSLAYOUTVIEWTOOLZOOM_H | ||
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| #include "qgis.h" | ||
| #include "qgis_gui.h" | ||
| #include "qgslayoutviewtool.h" | ||
| #include "qgslayoutviewrubberband.h" | ||
| #include <memory> | ||
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| /** | ||
| * \ingroup gui | ||
| * Layout view tool for zooming into and out of the layout. | ||
| * \since QGIS 3.0 | ||
| */ | ||
| class GUI_EXPORT QgsLayoutViewToolZoom : public QgsLayoutViewTool | ||
| { | ||
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| Q_OBJECT | ||
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| public: | ||
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| /** | ||
| * Constructor for QgsLayoutViewToolZoom. | ||
| */ | ||
| QgsLayoutViewToolZoom( QgsLayoutView *view ); | ||
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| void layoutPressEvent( QgsLayoutViewMouseEvent *event ) override; | ||
| void layoutMoveEvent( QgsLayoutViewMouseEvent *event ) override; | ||
| void layoutReleaseEvent( QgsLayoutViewMouseEvent *event ) override; | ||
| void deactivate() override; | ||
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| private: | ||
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| //! Start position for mouse press | ||
| QPoint mMousePressStartPos; | ||
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| bool mMarqueeZoom = false; | ||
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| QPointF mRubberBandStartPos; | ||
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| //! Rubber band item | ||
| std::unique_ptr< QgsLayoutViewRectangularRubberBand > mRubberBand; | ||
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| void startMarqueeZoom( QPointF scenePoint ); | ||
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| }; | ||
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| #endif // QGSLAYOUTVIEWTOOLZOOM_H |