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Create new map canvases using QgsMapCanvasDockWidget
Dock has a toolbar, currently with a single button to allow users to set the CRS for the canvas
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/*************************************************************************** | |||
qgsmapcanvasdockwidget.cpp | |||
-------------------------- | |||
begin : February 2017 | |||
copyright : (C) 2017 by Nyall Dawson | |||
email : nyall dot dawson at gmail dot com | |||
*************************************************************************** | |||
* * | |||
* 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. * | |||
* * | |||
***************************************************************************/ | |||
#include "qgsmapcanvasdockwidget.h" | |||
#include "qgsmapcanvas.h" | |||
#include "qgsprojectionselectiondialog.h" | |||
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QgsMapCanvasDockWidget::QgsMapCanvasDockWidget( const QString &name, QWidget *parent ) | |||
: QgsDockWidget( parent ) | |||
{ | |||
setupUi( this ); | |||
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mContents->layout()->setContentsMargins( 0, 0, 0, 0 ); | |||
mContents->layout()->setMargin( 0 ); | |||
static_cast< QVBoxLayout * >( mContents->layout() )->setSpacing( 0 ); | |||
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setWindowTitle( name ); | |||
mMapCanvas = new QgsMapCanvas( this ); | |||
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mMainWidget->setLayout( new QVBoxLayout() ); | |||
mMainWidget->layout()->setContentsMargins( 0, 0, 0, 0 ); | |||
mMainWidget->layout()->setMargin( 0 ); | |||
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mMainWidget->layout()->addWidget( mMapCanvas ); | |||
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connect( mActionSetCrs, &QAction::triggered, this, &QgsMapCanvasDockWidget::setMapCrs ); | |||
} | |||
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QgsMapCanvas *QgsMapCanvasDockWidget::mapCanvas() | |||
{ | |||
return mMapCanvas; | |||
} | |||
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void QgsMapCanvasDockWidget::setMapCrs() | |||
{ | |||
QgsProjectionSelectionDialog dlg; | |||
dlg.setCrs( mMapCanvas->mapSettings().destinationCrs() ); | |||
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if ( dlg.exec() ) | |||
{ | |||
mMapCanvas->setDestinationCrs( dlg.crs() ); | |||
} | |||
} |
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/*************************************************************************** | |||
qgsmapcanvasdockwidget.h | |||
------------------------ | |||
begin : February 2017 | |||
copyright : (C) 2017 by Nyall Dawson | |||
email : nyall dot dawson at gmail dot com | |||
*************************************************************************** | |||
* * | |||
* 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. * | |||
* * | |||
***************************************************************************/ | |||
#ifndef QGSMAPCANVASDOCKWIDGET_H | |||
#define QGSMAPCANVASDOCKWIDGET_H | |||
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#include <ui_qgsmapcanvasdockwidgetbase.h> | |||
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#include "qgsdockwidget.h" | |||
#include "qgis_app.h" | |||
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class QgsMapCanvas; | |||
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class APP_EXPORT QgsMapCanvasDockWidget : public QgsDockWidget, private Ui::QgsMapCanvasDockWidgetBase | |||
{ | |||
Q_OBJECT | |||
public: | |||
explicit QgsMapCanvasDockWidget( const QString &name, QWidget *parent = nullptr ); | |||
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/** | |||
* Returns the map canvas contained in the dock widget. | |||
*/ | |||
QgsMapCanvas *mapCanvas(); | |||
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private slots: | |||
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void setMapCrs(); | |||
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private: | |||
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QgsMapCanvas *mMapCanvas = nullptr; | |||
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}; | |||
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#endif // QGSMAPCANVASDOCKWIDGET_H |
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<?xml version="1.0" encoding="UTF-8"?> | |||
<ui version="4.0"> | |||
<class>QgsMapCanvasDockWidgetBase</class> | |||
<widget class="QgsDockWidget" name="QgsMapCanvasDockWidgetBase"> | |||
<property name="geometry"> | |||
<rect> | |||
<x>0</x> | |||
<y>0</y> | |||
<width>216</width> | |||
<height>138</height> | |||
</rect> | |||
</property> | |||
<property name="windowTitle"> | |||
<string>Map Canvas</string> | |||
</property> | |||
<widget class="QWidget" name="mContents"> | |||
<layout class="QVBoxLayout" name="verticalLayout"> | |||
<property name="spacing"> | |||
<number>0</number> | |||
</property> | |||
<property name="leftMargin"> | |||
<number>0</number> | |||
</property> | |||
<property name="topMargin"> | |||
<number>0</number> | |||
</property> | |||
<property name="rightMargin"> | |||
<number>0</number> | |||
</property> | |||
<property name="bottomMargin"> | |||
<number>0</number> | |||
</property> | |||
<item> | |||
<widget class="QToolBar" name="mToolbar"> | |||
<property name="iconSize"> | |||
<size> | |||
<width>16</width> | |||
<height>16</height> | |||
</size> | |||
</property> | |||
<property name="floatable"> | |||
<bool>false</bool> | |||
</property> | |||
<addaction name="mActionSetCrs"/> | |||
</widget> | |||
</item> | |||
<item> | |||
<widget class="QWidget" name="mMainWidget" native="true"> | |||
<layout class="QHBoxLayout" name="horizontalLayout"> | |||
<property name="spacing"> | |||
<number>0</number> | |||
</property> | |||
<property name="leftMargin"> | |||
<number>0</number> | |||
</property> | |||
<property name="topMargin"> | |||
<number>0</number> | |||
</property> | |||
<property name="rightMargin"> | |||
<number>0</number> | |||
</property> | |||
<property name="bottomMargin"> | |||
<number>0</number> | |||
</property> | |||
</layout> | |||
</widget> | |||
</item> | |||
</layout> | |||
</widget> | |||
<action name="mActionSetCrs"> | |||
<property name="icon"> | |||
<iconset resource="../../images/images.qrc"> | |||
<normaloff>:/images/themes/default/propertyicons/CRS.svg</normaloff>:/images/themes/default/propertyicons/CRS.svg</iconset> | |||
</property> | |||
<property name="text"> | |||
<string>Set Map CRS</string> | |||
</property> | |||
<property name="toolTip"> | |||
<string>Set Map CRS</string> | |||
</property> | |||
</action> | |||
</widget> | |||
<customwidgets> | |||
<customwidget> | |||
<class>QgsDockWidget</class> | |||
<extends>QDockWidget</extends> | |||
<header>qgsdockwidget.h</header> | |||
<container>1</container> | |||
</customwidget> | |||
</customwidgets> | |||
<resources> | |||
<include location="../../images/images.qrc"/> | |||
</resources> | |||
<connections/> | |||
</ui> |