Add toolbar buttons for navigating map views

Author: nyalldawson

src/app/qgsmapcanvasdockwidget.cpp

@@ -24,6 +24,9 @@
 #include "qgsmapthemecollection.h"
 #include "qgsproject.h"
 #include "qgsmapthemes.h"
+#include "qgslayertreeview.h"
+#include "qgslayertreeviewdefaultactions.h"
+#include "qgisapp.h"
 #include <QMessageBox>
 #include <QMenu>
 #include <QToolBar>
@@ -65,14 +68,18 @@ QgsMapCanvasDockWidget::QgsMapCanvasDockWidget( const QString &name, QWidget *pa
 
   QMenu *settingsMenu = new QMenu();
   QToolButton *settingsButton = new QToolButton();
-  btnMapThemes->setAutoRaise( true );
+  settingsButton->setAutoRaise( true );
+  settingsButton->setToolTip( tr( "View Settings" ) );
   settingsButton->setMenu( settingsMenu );
   settingsButton->setPopupMode( QToolButton::InstantPopup );
   settingsButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionMapSettings.svg" ) ) );
   mToolbar->addWidget( settingsButton );
 
   connect( mActionSetCrs, &QAction::triggered, this, &QgsMapCanvasDockWidget::setMapCrs );
   connect( mMapCanvas, &QgsMapCanvas::destinationCrsChanged, this, &QgsMapCanvasDockWidget::mapCrsChanged );
+  connect( mActionZoomFullExtent, &QAction::triggered, mMapCanvas, &QgsMapCanvas::zoomToFullExtent );
+  connect( mActionZoomToLayer, &QAction::triggered, mMapCanvas, [ = ] { QgisApp::instance()->layerTreeView()->defaultActions()->zoomToLayer( mMapCanvas ); } );
+  connect( mActionZoomToSelected, &QAction::triggered, mMapCanvas, [ = ] { mMapCanvas->zoomToSelected(); } );
   mapCrsChanged();
 
   QgsMapSettingsAction *settingsAction = new QgsMapSettingsAction( settingsMenu );

src/ui/qgsmapcanvasdockwidgetbase.ui

@@ -42,6 +42,9 @@
        <bool>false</bool>
       </property>
       <addaction name="mActionSyncView"/>
+      <addaction name="mActionZoomFullExtent"/>
+      <addaction name="mActionZoomToSelected"/>
+      <addaction name="mActionZoomToLayer"/>
      </widget>
     </item>
     <item>
@@ -102,6 +105,33 @@
     <string>Rename View</string>
    </property>
   </action>
+  <action name="mActionZoomToSelected">
+   <property name="icon">
+    <iconset resource="../../images/images.qrc">
+     <normaloff>:/images/themes/default/mActionZoomToSelected.svg</normaloff>:/images/themes/default/mActionZoomToSelected.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Zoom to &amp;Selection</string>
+   </property>
+  </action>
+  <action name="mActionZoomToLayer">
+   <property name="icon">
+    <iconset resource="../../images/images.qrc">
+     <normaloff>:/images/themes/default/mActionZoomToLayer.svg</normaloff>:/images/themes/default/mActionZoomToLayer.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Zoom to &amp;Layer</string>
+   </property>
+  </action>
+  <action name="mActionZoomFullExtent">
+   <property name="icon">
+    <iconset resource="../../images/images.qrc">
+     <normaloff>:/images/themes/default/mActionZoomFullExtent.svg</normaloff>:/images/themes/default/mActionZoomFullExtent.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Zoom &amp;Full</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>