QtiPlot  0.9.8.2
Signals | Public Member Functions | Private Member Functions | Private Attributes
ScalePicker Class Reference

Handles user interaction with a QwtScaleWidget. More...

#include <ScalePicker.h>

List of all members.

Signals

void axisDblClicked (int)
void axisRightClicked (int)
void axisTicksDblClicked (int)
void axisTitleDblClicked ()
void axisTitleRightClicked ()
 Emitted when the user right-clicks on the title of an axis.
void clicked ()
 Emitted when the user clicks on one of the monitored axes.

Public Member Functions

QwtScaleWidget * currentAxis ()
 Returns a pointer to the active axis in the plot layer.
void deselect ()
bool labelsSelected ()
Graphplot ()
 Return my parent casted to Graph.
void refresh ()
 ScalePicker (Graph *plot)
QRect scaleRect (const QwtScaleWidget *) const
 Returns the bounding rectangle of a scale without the title.
QRect scaleTicksRect (const QwtScaleWidget *scale) const
 Returns the bounding rectangle of a scale excluding the title and the tick labels.
QwtScaleWidget * selectedAxis ()
void selectLabels (QwtScaleWidget *scale, bool select=true)
void selectTitle (QwtScaleWidget *scale, bool select=true)
QRect titleRect (const QwtScaleWidget *scale) const
 Returns the bounding rectangle of a scale's title.
bool titleSelected ()

Private Member Functions

bool eventFilter (QObject *, QEvent *)
bool labelClicked (const QwtScaleWidget *scale, const QPoint &pos)
void mouseClicked (const QwtScaleWidget *scale, const QPoint &pos)
void mouseDblClicked (const QwtScaleWidget *, const QPoint &)
void mouseRightClicked (const QwtScaleWidget *scale, const QPoint &pos)

Private Attributes

QwtScaleWidget * d_current_axis
bool d_labels_selected
QwtScaleWidget * d_selected_axis
bool d_title_selected

Detailed Description

Handles user interaction with a QwtScaleWidget.

This class is used by Graph to catch events for the scales on its Plot. ScalePicker doesn't take any actions beyond emitting signals, which are then processed by Graph.


Constructor & Destructor Documentation

References refresh().


Member Function Documentation

void ScalePicker::axisDblClicked ( int  ) [signal]

Emitted when the user double-clicks on an axis (but not its title). The argument specifies the axis' QwtScaleDraw::Alignment.

Referenced by mouseDblClicked().

void ScalePicker::axisRightClicked ( int  ) [signal]

Emitted when the user right-clicks on an axis (but not its title). The argument specifies the axis' QwtScaleDraw::Alignment.

Referenced by mouseRightClicked().

void ScalePicker::axisTicksDblClicked ( int  ) [signal]

Emitted when the user double-clicks on the ticks of an axis. The argument specifies the axis' QwtScaleDraw::Alignment.

Referenced by mouseDblClicked().

Emitted when the user double-clicks on an the axis title.

Referenced by mouseDblClicked().

Emitted when the user right-clicks on the title of an axis.

Referenced by mouseRightClicked().

void ScalePicker::clicked ( ) [signal]

Emitted when the user clicks on one of the monitored axes.

Referenced by eventFilter().

QwtScaleWidget* ScalePicker::currentAxis ( ) [inline]
bool ScalePicker::eventFilter ( QObject *  object,
QEvent *  e 
) [private]
bool ScalePicker::labelClicked ( const QwtScaleWidget *  scale,
const QPoint &  pos 
) [private]

References plot().

Referenced by eventFilter().

bool ScalePicker::labelsSelected ( ) [inline]
void ScalePicker::mouseClicked ( const QwtScaleWidget *  scale,
const QPoint &  pos 
) [private]
void ScalePicker::mouseDblClicked ( const QwtScaleWidget *  scale,
const QPoint &  pos 
) [private]
void ScalePicker::mouseRightClicked ( const QwtScaleWidget *  scale,
const QPoint &  pos 
) [private]
Graph* ScalePicker::plot ( ) [inline]

Return my parent casted to Graph.

Referenced by labelClicked(), mouseRightClicked(), refresh(), selectLabels(), and selectTitle().

Install myself as event filter for all axes of my parent. For every axis of plot(), add myself to the corresponding QwtScaleWidget.

See also:
QwtPlot::axisWidget()

References plot().

Referenced by Graph::enableAxis(), Graph::hideSelectedAxis(), Graph::plotPie(), ScalePicker(), and Graph::showAxis().

QRect ScalePicker::scaleRect ( const QwtScaleWidget *  scale) const

Returns the bounding rectangle of a scale without the title.

Referenced by mouseDblClicked(), Graph::mousePressed(), and mouseRightClicked().

QRect ScalePicker::scaleTicksRect ( const QwtScaleWidget *  scale) const

Returns the bounding rectangle of a scale excluding the title and the tick labels.

Referenced by eventFilter(), and mouseDblClicked().

QwtScaleWidget* ScalePicker::selectedAxis ( ) [inline]

Returns a pointer to the selected axis in the plot layer. The selected axis has selected title or selected tick labels (blue frame around texts).

References d_selected_axis.

Referenced by Graph::hasSeletedItems(), Graph::selectedScale(), Graph::setCurrentColor(), and Graph::setCurrentFont().

void ScalePicker::selectLabels ( QwtScaleWidget *  scale,
bool  select = true 
)
void ScalePicker::selectTitle ( QwtScaleWidget *  scale,
bool  select = true 
)
QRect ScalePicker::titleRect ( const QwtScaleWidget *  scale) const

Returns the bounding rectangle of a scale's title.

Referenced by Graph::axisTitleRect(), eventFilter(), and mouseDblClicked().

bool ScalePicker::titleSelected ( ) [inline]

Member Data Documentation

QwtScaleWidget * ScalePicker::d_current_axis [private]

Referenced by currentAxis(), and eventFilter().

QwtScaleWidget* ScalePicker::d_selected_axis [private]

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