QgsScaleComboBox Class Reference

A combobox which lets the user select map scale from predefined list and highlights nearest to current scale value. More...

#include <qgsscalecombobox.h>

Public Slots
void	updateScales (const QStringList &scales=QStringList())

Signals
void	scaleChanged ()
	Signal is emitted when user has finished editing/selecting a new scale.

Public Member Functions
	QgsScaleComboBox (QWidget *parent=0)
virtual	~QgsScaleComboBox ()
QString	scaleString ()
	Function to read the selected scale as text.
bool	setScaleString (QString scaleTxt)
	Function to set the selected scale from text.
double	scale ()
	Function to read the selected scale as double.
void	setScale (double scale)
	Function to set the selected scale from double.

Static Public Member Functions
static QString	toString (double scale)
	Helper function to convert a double to scale string.
static double	toDouble (QString scaleString, bool *ok=NULL)
	Helper function to convert a scale string to double.

Protected Member Functions
void	showPopup ()

Private Slots
void	fixupScale ()
	Slot called when QComboBox has changed.

Private Attributes
double	mScale

Detailed Description

A combobox which lets the user select map scale from predefined list and highlights nearest to current scale value.

Definition at line 27 of file qgsscalecombobox.h.

Constructor & Destructor Documentation

QgsScaleComboBox::QgsScaleComboBox

(

QWidget *

parent = 0

)

Definition at line 27 of file qgsscalecombobox.cpp.

References fixupScale(), and updateScales().

QgsScaleComboBox::~QgsScaleComboBox ( )

virtual

Definition at line 39 of file qgsscalecombobox.cpp.

Member Function Documentation

void QgsScaleComboBox::fixupScale ( )

privateslot

Slot called when QComboBox has changed.

Definition at line 158 of file qgsscalecombobox.cpp.

References mScale, scaleChanged(), setScale(), and toDouble().

Referenced by QgsScaleComboBox().

double QgsScaleComboBox::scale

(

)

Function to read the selected scale as double.

Definition at line 145 of file qgsscalecombobox.cpp.

References mScale.

Referenced by toDouble().

void QgsScaleComboBox::scaleChanged ( )

signal

Signal is emitted when user has finished editing/selecting a new scale.

Referenced by fixupScale().

QString QgsScaleComboBox::scaleString

(

)

Function to read the selected scale as text.

Definition at line 119 of file qgsscalecombobox.cpp.

References mScale, and toString().

void QgsScaleComboBox::setScale

(

double

scale

)

Function to set the selected scale from double.

Definition at line 152 of file qgsscalecombobox.cpp.

References setScaleString(), and toString().

Referenced by fixupScale().

bool QgsScaleComboBox::setScaleString

(

QString

scaleTxt

)

Function to set the selected scale from text.

Definition at line 126 of file qgsscalecombobox.cpp.

References mScale, toDouble(), and toString().

Referenced by setScale(), and updateScales().

void QgsScaleComboBox::showPopup ( )

protected

Definition at line 86 of file qgsscalecombobox.cpp.

References index, and MathUtils::min().

double QgsScaleComboBox::toDouble ( QString  scaleString, bool *  ok = NULL  )

static

Helper function to convert a scale string to double.

Definition at line 204 of file qgsscalecombobox.cpp.

References scale(), and toString().

Referenced by fixupScale(), and setScaleString().

QString QgsScaleComboBox::toString ( double  scale )

static

Helper function to convert a double to scale string.

Definition at line 192 of file qgsscalecombobox.cpp.

Referenced by scaleString(), setScale(), setScaleString(), toDouble(), and updateScales().

void QgsScaleComboBox::updateScales ( const QStringList &  scales = QStringList() )

slot

Definition at line 43 of file qgsscalecombobox.cpp.

References PROJECT_SCALES, setScaleString(), and toString().

Referenced by QgsScaleComboBox().

Member Data Documentation

double QgsScaleComboBox::mScale

private

Definition at line 71 of file qgsscalecombobox.h.

Referenced by fixupScale(), scale(), scaleString(), and setScaleString().

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

• /tmp/buildd/qgis-2.2.0+wheezy1/src/gui/qgsscalecombobox.h
• /tmp/buildd/qgis-2.2.0+wheezy1/src/gui/qgsscalecombobox.cpp