QgsComposerRuler Class Reference

A class to show paper scale and the current cursor position. More...

#include <qgscomposerruler.h>

Collaboration diagram for QgsComposerRuler:

Public Types
enum	Direction { Horizontal = 0, Vertical }

Public Member Functions
	QgsComposerRuler (QgsComposerRuler::Direction d)
	~QgsComposerRuler ()
QSize	minimumSizeHint () const
void	setSceneTransform (const QTransform &transform)
void	updateMarker (const QPointF &pos)
void	setComposition (QgsComposition *c)
QgsComposition *	composition ()

Protected Member Functions
void	paintEvent (QPaintEvent *event)
void	mouseMoveEvent (QMouseEvent *event)
void	mouseReleaseEvent (QMouseEvent *event)
void	mousePressEvent (QMouseEvent *event)

Private Member Functions
void	setSnapLinePosition (const QPointF &pos)

Private Attributes
Direction	mDirection
QTransform	mTransform
QPointF	mMarkerPos
QgsComposition *	mComposition
QGraphicsLineItem *	mLineSnapItem
QList< QPair< QgsComposerItem *, QgsComposerItem::ItemPositionMode > >	mSnappedItems

Detailed Description

A class to show paper scale and the current cursor position.

Definition at line 10 of file qgscomposerruler.h.

Member Enumeration Documentation

enum QgsComposerRuler::Direction

Enumerator:

Horizontal
Vertical

Definition at line 13 of file qgscomposerruler.h.

Constructor & Destructor Documentation

QgsComposerRuler::QgsComposerRuler

(

QgsComposerRuler::Direction

d

)

Definition at line 11 of file qgscomposerruler.cpp.

QgsComposerRuler::~QgsComposerRuler

(

)

Definition at line 16 of file qgscomposerruler.cpp.

Member Function Documentation

QgsComposition* QgsComposerRuler::composition ( )

inline

Definition at line 28 of file qgscomposerruler.h.

QSize QgsComposerRuler::minimumSizeHint

(

)

const

Definition at line 20 of file qgscomposerruler.cpp.

References RULER_MIN_SIZE.

void QgsComposerRuler::mouseMoveEvent ( QMouseEvent *  event )

protected

Definition at line 130 of file qgscomposerruler.cpp.

References setSnapLinePosition(), and updateMarker().

void QgsComposerRuler::mousePressEvent ( QMouseEvent *  event )

protected

Definition at line 161 of file qgscomposerruler.cpp.

References QgsComposition::addSnapLine(), Horizontal, mComposition, mDirection, mLineSnapItem, mSnappedItems, mTransform, and QgsComposition::nearestSnapLine().

void QgsComposerRuler::mouseReleaseEvent ( QMouseEvent *  event )

protected

Definition at line 137 of file qgscomposerruler.cpp.

References Horizontal, mComposition, mDirection, mLineSnapItem, mSnappedItems, mTransform, and QgsComposition::removeSnapLine().

void QgsComposerRuler::paintEvent ( QPaintEvent *  event )

protected

Definition at line 25 of file qgscomposerruler.cpp.

References Horizontal, mComposition, mDirection, mMarkerPos, mTransform, QgsComposition::numPages(), QgsComposition::paperHeight(), qgsDoubleNear(), RULER_MIN_SIZE, and QgsComposition::spaceBetweenPages().

void QgsComposerRuler::setComposition ( QgsComposition *  c )

inline

Definition at line 27 of file qgscomposerruler.h.

Referenced by QgsComposerView::setComposition().

void QgsComposerRuler::setSceneTransform

(

const QTransform &

transform

)

Definition at line 122 of file qgscomposerruler.cpp.

References mTransform.

Referenced by QgsComposerView::updateRulers().

void QgsComposerRuler::setSnapLinePosition ( const QPointF &  pos )

private

Definition at line 187 of file qgscomposerruler.cpp.

References Horizontal, QgsComposerItem::LowerLeft, mComposition, mDirection, QgsComposerItem::Middle, QgsComposerItem::MiddleLeft, mLineSnapItem, mSnappedItems, mTransform, QgsComposition::numPages(), QgsComposition::paperHeight(), QgsComposition::paperWidth(), QgsComposition::spaceBetweenPages(), QgsComposerItem::UpperLeft, QgsComposerItem::UpperMiddle, and QgsComposerItem::UpperRight.

Referenced by mouseMoveEvent().

void QgsComposerRuler::updateMarker ( const QPointF &  pos )

inline

Definition at line 25 of file qgscomposerruler.h.

Referenced by mouseMoveEvent(), and QgsComposerView::mouseMoveEvent().

Member Data Documentation

QgsComposition* QgsComposerRuler::mComposition

private

Definition at line 40 of file qgscomposerruler.h.

Referenced by mousePressEvent(), mouseReleaseEvent(), paintEvent(), and setSnapLinePosition().

Direction QgsComposerRuler::mDirection

private

Definition at line 37 of file qgscomposerruler.h.

Referenced by mousePressEvent(), mouseReleaseEvent(), paintEvent(), and setSnapLinePosition().

QGraphicsLineItem* QgsComposerRuler::mLineSnapItem

private

Definition at line 41 of file qgscomposerruler.h.

Referenced by mousePressEvent(), mouseReleaseEvent(), and setSnapLinePosition().

QPointF QgsComposerRuler::mMarkerPos

private

Definition at line 39 of file qgscomposerruler.h.

Referenced by paintEvent().

QList< QPair< QgsComposerItem*, QgsComposerItem::ItemPositionMode > > QgsComposerRuler::mSnappedItems

private

Definition at line 43 of file qgscomposerruler.h.

Referenced by mousePressEvent(), mouseReleaseEvent(), and setSnapLinePosition().

QTransform QgsComposerRuler::mTransform

private

Definition at line 38 of file qgscomposerruler.h.

Referenced by mousePressEvent(), mouseReleaseEvent(), paintEvent(), setSceneTransform(), and setSnapLinePosition().

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The documentation for this class was generated from the following files:

• /tmp/buildd/qgis-2.0.1/src/gui/qgscomposerruler.h
• /tmp/buildd/qgis-2.0.1/src/gui/qgscomposerruler.cpp