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src
gui
qgsscalecombobox.h
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/***************************************************************************
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qgsscalecombobox.h
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------------------------
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begin : January 7, 2012
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copyright : (C) 2012 by Alexander Bruy
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email : alexander dot bruy at gmail dot com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSSCALECOMBOBOX_H
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#define QGSSCALECOMBOBOX_H
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#include <QComboBox>
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class
GUI_EXPORT
QgsScaleComboBox
:
public
QComboBox
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{
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Q_OBJECT
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public
:
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QgsScaleComboBox
(
QWidget
* parent = 0 );
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virtual
~
QgsScaleComboBox
();
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QString
scaleString();
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bool
setScaleString(
QString
scaleTxt );
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double
scale();
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void
setScale(
double
scale );
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// Performs rounding, so an exact representation is not to
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// be expected.
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static
QString
toString(
double
scale );
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static
double
toDouble(
QString
scaleString,
bool
*ok = NULL );
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signals:
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void
scaleChanged();
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public
slots:
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void
updateScales(
const
QStringList
&scales =
QStringList
() );
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protected
:
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void
showPopup
()
override
;
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private
slots:
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void
fixupScale();
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private
:
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double
mScale;
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};
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#endif // QGSSCALECOMBOBOX_H
QWidget
QString
QStringList
QComboBox::showPopup
virtual void showPopup()
QgsScaleComboBox
A combobox which lets the user select map scale from predefined list and highlights nearest to curren...
Definition:
qgsscalecombobox.h:27
QComboBox
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