fix xcb build; update button resources

dlanguilib.dproj

@@ -161,11 +161,22 @@
     <Compile Include="3rdparty\X11\xcb\xvmc.d" />
     <Compile Include="3rdparty\X11\keysymdef.d" />
     <Compile Include="3rdparty\X11\xcb\image.d" />
+    <Compile Include="src\dlangui\core\events.d" />
+    <Compile Include="..\DerelictFI\source\derelict\freeimage\freeimage.d">
+      <Link>3rdparty\DerelictFI\freeimage.d</Link>
+    </Compile>
+    <Compile Include="..\DerelictFI\source\derelict\freeimage\functions.d">
+      <Link>3rdparty\DerelictFI\functions.d</Link>
+    </Compile>
+    <Compile Include="..\DerelictFI\source\derelict\freeimage\types.d">
+      <Link>3rdparty\DerelictFI\types.d</Link>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <Folder Include="src\dlangui\platforms\x11\" />
     <Folder Include="3rdparty\DerelictUtil\" />
     <Folder Include="3rdparty\DerelictGL3\" />
     <Folder Include="3rdparty\DerelictFT\" />
+    <Folder Include="3rdparty\DerelictFI\" />
   </ItemGroup>
 </Project>

src/dlangui/platforms/x11/x11app.d

@@ -32,6 +32,12 @@ class XCBWindow : Window {
 		~this() {
 			Log.d("Destroying window");
 		}
+			
+		/// request window redraw
+		override void invalidate() {
+			redraw();
+		}
+
 		bool create() {
 			uint mask;
 			uint values[2];
@@ -169,11 +175,11 @@ class XCBWindow : Window {
 	                             cast(void*)title);
 		}
 
-	ColorDrawBuf _drawbuf;
+		void redraw() {
-	void processExpose(xcb_expose_event_t * event) {
 			if (!_drawbuf)
 				_drawbuf = new ColorDrawBuf(_dx, _dy);
 			_drawbuf.resize(_dx, _dy);
+			_drawbuf.fill(_backgroundColor);
 			Log.d("calling createImage");
 			createImage();
 			Log.d("done createImage");
@@ -188,6 +194,11 @@ class XCBWindow : Window {
 			xcb_flush(_xcbconnection);
 		}
 		
+		ColorDrawBuf _drawbuf;
+		void processExpose(xcb_expose_event_t * event) {
+			redraw();
+		}
+		
 	}
 
 	private __gshared xcb_connection_t * _xcbconnection;

src/dlangui/widgets/styles.d

@@ -502,8 +502,10 @@ private __gshared Theme _currentTheme;
 
 static this() {
 	_currentTheme = new Theme("default");
-    Style button = _currentTheme.createSubstyle("BUTTON").backgroundImageId("btn_default_normal").alignment(Align.Center);
+    Style button = _currentTheme.createSubstyle("BUTTON").backgroundImageId("btn_default_small_normal").alignment(Align.Center);
     Style text = _currentTheme.createSubstyle("TEXT").margins(Rect(3,3,3,3)).padding(Rect(3,3,3,3));
-    button.createState(State.Pressed, State.Pressed).backgroundImageId("btn_default_pressed");
+    button.createState(State.Disabled | State.Focused, State.Disabled | State.Focused).backgroundImageId("btn_default_small_normal_disable_focused");
-    button.createState(State.Focused, State.Focused).backgroundImageId("btn_default_selected");
+    button.createState(State.Disabled, State.Disabled).backgroundImageId("btn_default_small_normal_disable");
+    button.createState(State.Pressed, State.Pressed).backgroundImageId("btn_default_small_pressed");
+    button.createState(State.Focused, State.Focused).backgroundImageId("btn_default_small_selected");
 }