Fixed terrain painting unwanted scrolling on show

src/editing/paysages-qt.pro

@@ -24,7 +24,7 @@ win32:LIBS += ../libpaysages.a ../libpaysages_exploring.a -lDevIL -lILU -lILUT -
 TRANSLATIONS = $$PROJECT_PATH/data/i18n/paysages_fr.ts
 
 HEADERS += \
-    widgetheightmap.h \
+    terrain/widgetheightmap.h \
     widgetexplorer.h \
     widgetcurveeditor.h \
     tools.h \
@@ -73,7 +73,7 @@ HEADERS += \
     common/previewrenderer.h
 
 SOURCES += \
-    widgetheightmap.cpp \
+    terrain/widgetheightmap.cpp \
     widgetexplorer.cpp \
     widgetcurveeditor.cpp \
     tools.cpp \

src/editing/terrain/dialogterrainpainting.ui

@@ -789,7 +789,7 @@
   <customwidget>
    <class>WidgetHeightMap</class>
    <extends>QWidget</extends>
-   <header>widgetheightmap.h</header>
+   <header>terrain/widgetheightmap.h</header>
    <container>1</container>
    <slots>
     <signal>heightmapChanged()</signal>

src/editing/terrain/widgetheightmap.cpp

@@ -35,8 +35,8 @@ QGLWidget(parent)
     _average_frame_time = 0.0;
 
     _last_brush_action = 0;
-    _last_mouse_x = 0;
+    _last_mouse_x = 250;
-    _last_mouse_y = 0;
+    _last_mouse_y = 250;
     _last_time = QDateTime::currentDateTime();
     _mouse_moved = false;