Added toggle for painted area display in terrain painting dialog

src/editing/terrain/dialogterrainpainting.ui

@@ -45,6 +45,13 @@
           <property name="spacing">
            <number>20</number>
           </property>
+          <item>
+           <widget class="QLabel" name="label_21">
+            <property name="text">
+             <string>Display :</string>
+            </property>
+           </widget>
+          </item>
           <item>
            <widget class="QCheckBox" name="checkBox">
             <property name="text">
@@ -65,6 +72,16 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QCheckBox" name="checkBox_3">
+            <property name="text">
+             <string>Painted area</string>
+            </property>
+            <property name="checked">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
           <item>
            <spacer name="horizontalSpacer_3">
             <property name="orientation">
@@ -795,6 +812,7 @@
     <signal>heightmapChanged()</signal>
     <slot>toggleWater(bool)</slot>
     <slot>toggleGrid(bool)</slot>
+    <slot>togglePaintedArea(bool)</slot>
    </slots>
   </customwidget>
  </customwidgets>
@@ -927,7 +945,7 @@
    <slot>toggleWater(bool)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>60</x>
+     <x>153</x>
      <y>43</y>
     </hint>
     <hint type="destinationlabel">
@@ -943,8 +961,8 @@
    <slot>toggleGrid(bool)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>161</x>
+     <x>234</x>
-     <y>40</y>
+     <y>43</y>
     </hint>
     <hint type="destinationlabel">
      <x>121</x>
@@ -984,6 +1002,22 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>checkBox_3</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>widget_heightmap</receiver>
+   <slot>togglePaintedArea(bool)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>307</x>
+     <y>33</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>377</x>
+     <y>519</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
  <slots>
   <slot>brushConfigChanged()</slot>

src/editing/terrain/widgetheightmap.cpp

@@ -27,6 +27,7 @@ QGLWidget(parent)
 
     _water = true;
     _wireframe = true;
+    _painted_area = true;
     WaterDefinition* water_definition = (WaterDefinition*)WaterDefinitionClass.create();
     sceneryGetWater(water_definition);
     _water_height = 0.0;
@@ -103,6 +104,12 @@ void WidgetHeightMap::toggleGrid(bool enabled)
     updateGL();
 }
 
+void WidgetHeightMap::togglePaintedArea(bool enabled)
+{
+    _painted_area = enabled;
+    updateGL();
+}
+
 void WidgetHeightMap::keyPressEvent(QKeyEvent* event)
 {
     if (event->key() == Qt::Key_Up)
@@ -409,7 +416,7 @@ void WidgetHeightMap::paintGL()
                     brush_influence = 0.0;
                 }
 
-                glColor3f(0.8 + brush_influence, vertex->painted ? 1.0 : 0.8, 0.8);
+                glColor3f(0.8 + brush_influence, (_painted_area && vertex->painted) ? 1.0 : 0.8, 0.8);
                 glNormal3f(vertex->normal.x, vertex->normal.y, vertex->normal.z);
                 glVertex3f(vertex->point.x, vertex->point.y, vertex->point.z);
             }

src/editing/terrain/widgetheightmap.h

@@ -30,6 +30,7 @@ public slots:
     void revert();
     void toggleWater(bool enabled);
     void toggleGrid(bool enabled);
+    void togglePaintedArea(bool enabled);
 
 signals:
     void heightmapChanged();
@@ -63,6 +64,7 @@ private:
     double _water_height;
     bool _water;
     bool _wireframe;
+    bool _painted_area;
 
     double _average_frame_time;