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move scale widget in its own class (away from qgisapp)
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,88 @@ | ||
| /*************************************************************************** | ||
| qgsstatusbarscalewidget.cpp | ||
| begin : May 2016 | ||
| copyright : (C) 2016 Denis Rouzaud | ||
| email : denis.rouzaud@gmail.com | ||
| ***************************************************************************/ | ||
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| /*************************************************************************** | ||
| * * | ||
| * 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 <QHBoxLayout> | ||
| #include <QLabel> | ||
| #include <QLineEdit> | ||
| #include <QValidator> | ||
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| #include "qgsstatusbarscalewidget.h" | ||
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| #include "qgsmapcanvas.h" | ||
| #include "qgsscalecombobox.h" | ||
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| QgsStatusBarScaleWidget::QgsStatusBarScaleWidget(QgsMapCanvas *canvas, QWidget *parent) | ||
| : QWidget(parent) | ||
| , mMapCanvas( canvas ) | ||
| { | ||
| // add a label to show current scale | ||
| mLabel = new QLabel( QString(), this ); | ||
| mLabel->setObjectName( "mScaleLable" ); | ||
| mLabel->setMinimumWidth( 10 ); | ||
| //mScaleLabel->setMaximumHeight( 20 ); | ||
| mLabel->setMargin( 3 ); | ||
| mLabel->setAlignment( Qt::AlignCenter ); | ||
| mLabel->setFrameStyle( QFrame::NoFrame ); | ||
| mLabel->setText( tr( "Scale" ) ); | ||
| mLabel->setToolTip( tr( "Current map scale" ) ); | ||
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| mScale = new QgsScaleComboBox( this ); | ||
| mScale->setObjectName( "mScaleEdit" ); | ||
| // seems setFont() change font only for popup not for line edit, | ||
| // so we need to set font for it separately | ||
| mScale->setMinimumWidth( 10 ); | ||
| mScale->setContentsMargins( 0, 0, 0, 0 ); | ||
| mScale->setWhatsThis( tr( "Displays the current map scale" ) ); | ||
| mScale->setToolTip( tr( "Current map scale (formatted as x:y)" ) ); | ||
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| // layout | ||
| mLayout = new QHBoxLayout( this ); | ||
| mLayout->addWidget( mLabel ); | ||
| mLayout->addWidget( mScale ); | ||
| mLayout->setContentsMargins( 0, 0, 0, 0 ); | ||
| mLayout->setAlignment( Qt::AlignRight ); | ||
| mLayout->setSpacing( 0 ); | ||
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| setLayout( mLayout ); | ||
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| connect( mScale, SIGNAL( scaleChanged( double ) ), this, SLOT( userScale() ) ); | ||
| } | ||
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| QgsStatusBarScaleWidget::~QgsStatusBarScaleWidget() | ||
| { | ||
| } | ||
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| void QgsStatusBarScaleWidget::setScale(double scale) | ||
| { | ||
| mScale->setScale(scale); | ||
| } | ||
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| void QgsStatusBarScaleWidget::setFont(const QFont &font) | ||
| { | ||
| mLabel->setFont( font ); | ||
| mScale->lineEdit()->setFont( font ); | ||
| } | ||
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| void QgsStatusBarScaleWidget::updateScales(const QStringList &scales) | ||
| { | ||
| mScale->updateScales(scales); | ||
| } | ||
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| void QgsStatusBarScaleWidget::userScale() | ||
| { | ||
| // Why has MapCanvas the scale inverted? | ||
| mMapCanvas->zoomScale( 1.0 / mScale->scale() ); | ||
| } |
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