use scale widget in dxf export

Author: 3nids

src/app/qgsdxfexportdialog.cpp

@@ -362,7 +362,8 @@ QgsDxfExportDialog::QgsDxfExportDialog( QWidget *parent, Qt::WindowFlags f )
   QSettings s;
   mSymbologyModeComboBox->setCurrentIndex( s.value( "qgis/lastDxfSymbologyMode", "2" ).toInt() );
   //last symbol scale
-  mSymbologyScaleLineEdit->setText( s.value( "qgis/lastSymbologyExportScale", "50000" ).toString() );
+  mScaleWidget->setMapCanvas( QgisApp::instance()->mapCanvas() );
+  mScaleWidget->setScale( s.value( "qgis/lastSymbologyExportScale", "1/50000" ).toDouble() );
   mMapExtentCheckBox->setChecked( s.value( "qgis/lastDxfMapRectangle", "false" ).toBool() );
 
   QStringList ids = QgsVisibilityPresets::instance()->presets();
@@ -437,7 +438,7 @@ QList< QPair<QgsVectorLayer *, int> > QgsDxfExportDialog::layers() const
 
 double QgsDxfExportDialog::symbologyScale() const
 {
-  double scale = mSymbologyScaleLineEdit->text().toDouble();
+  double scale = mScaleWidget->scale();
   if ( qgsDoubleNear( scale, 0.0 ) )
   {
     return 1.0;
@@ -499,6 +500,6 @@ void QgsDxfExportDialog::saveSettings()
   QFileInfo dxfFileInfo( mFileLineEdit->text() );
   s.setValue( "qgis/lastDxfDir", dxfFileInfo.absolutePath() );
   s.setValue( "qgis/lastDxfSymbologyMode", mSymbologyModeComboBox->currentIndex() );
-  s.setValue( "qgis/lastSymbologyExportScale", mSymbologyScaleLineEdit->text() );
+  s.setValue( "qgis/lastSymbologyExportScale", mScaleWidget->scale() );
   s.setValue( "qgis/lastDxfMapRectangle", mMapExtentCheckBox->isChecked() );
 }

src/ui/qgsdxfexportdialogbase.ui

@@ -6,14 +6,21 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>406</width>
-    <height>433</height>
+    <width>394</width>
+    <height>534</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>DXF export</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
+   <item row="2" column="0">
+    <widget class="QLabel" name="mSymbologyScaleLabel">
+     <property name="text">
+      <string>Symbology scale</string>
+     </property>
+    </widget>
+   </item>
    <item row="0" column="2">
     <widget class="QToolButton" name="mFileSelectionButton">
      <property name="text">
@@ -31,23 +38,13 @@
      </attribute>
     </widget>
    </item>
-   <item row="2" column="1" colspan="2">
-    <widget class="QLineEdit" name="mSymbologyScaleLineEdit"/>
-   </item>
    <item row="0" column="0">
     <widget class="QLabel" name="mSaveAsLabel">
      <property name="text">
       <string>Save as</string>
      </property>
     </widget>
    </item>
-   <item row="2" column="0">
-    <widget class="QLabel" name="mSymbologyScaleLabel">
-     <property name="text">
-      <string>Symbology scale</string>
-     </property>
-    </widget>
-   </item>
    <item row="1" column="1" colspan="2">
     <widget class="QComboBox" name="mSymbologyModeComboBox">
      <item>
@@ -135,9 +132,21 @@
      </property>
     </widget>
    </item>
+   <item row="2" column="1" colspan="2">
+    <widget class="QgsScaleWidget" name="mScaleWidget">
+     <property name="showCurrentScaleButton">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <customwidgets>
+  <customwidget>
+   <class>QgsScaleWidget</class>
+   <extends>QWidget</extends>
+   <header>qgsscalewidget.h</header>
+  </customwidget>
   <customwidget>
    <class>QgsLayerTreeView</class>
    <extends>QTreeView</extends>