Don't retain highlighted widget.

src/system/widgets.c

@@ -33,6 +33,7 @@ static void updateSelectWidgets(void);
 static Widget head;
 static Widget *tail;
 static Widget *selectedWidget;
+static Widget *hoverWidget;
 static AtlasImage *optionsLeft;
 static AtlasImage *optionsRight;
 static int drawingWidgets;
@@ -69,6 +70,11 @@ void doWidgets(void)
 		}
 	}
 	
+	if (hoverWidget != selectedWidget)
+	{
+		selectedWidget = NULL;
+	}
+
 	drawingWidgets = 0;
 }
 
@@ -125,6 +131,8 @@ void drawWidgets(const char *group)
 	drawingWidgets = 1;
 	mouseOver = 0;
 	
+	hoverWidget = NULL;
+
 	for (w = head.next; w != NULL ; w = w->next)
 	{
 		if ((app.modalDialog.type == MD_NONE || (app.modalDialog.type != MD_NONE && w->isModal)) && w->visible && strcmp(w->group, group) == 0)
@@ -133,9 +141,13 @@ void drawWidgets(const char *group)
 			{
 				mouseOver = (w->type != WT_SELECT && w->enabled && collision(w->rect.x, w->rect.y, w->rect.w, w->rect.h, app.uiMouse.x, app.uiMouse.y, 1, 1));
 
-				if (mouseOver && selectedWidget != w)
+				if (mouseOver)
 				{
-					if (w->type == WT_BUTTON || w->type == WT_CONTROL_CONFIG)
+					hoverWidget = w;
+					
+					if (selectedWidget != w)
+					{
+						if (w->type == WT_BUTTON || w->type == WT_IMG_BUTTON || w->type == WT_CONTROL_CONFIG)
 						{
 							playSound(SND_GUI_CLICK);
 						}
@@ -143,9 +155,17 @@ void drawWidgets(const char *group)
 						selectedWidget = w;
 					}
 				}
+			}
 
 			if (w->texture)
 			{
+				setAtlasColor(255, 255, 255, 255);
+				
+				if (selectedWidget == w)
+				{
+					setAtlasColor(128, 192, 255, 255);
+				}
+				
 				blit(w->texture , w->rect.x, w->rect.y, 0);
 			}
 			else

src/system/widgets.h

@@ -35,6 +35,7 @@ extern void playSound(int id);
 extern char *readFile(char *filename);
 extern void updateControlButton(char *name);
 extern void updateControlKey(char *name);
+extern void setAtlasColor(int r, int g, int b, int a);
 
 extern App app;
 extern Colors colors;