feat(gui): add Widget_SetOpacity()

lc-soft · lc-soft · commit e6ad1636193c · 2018-08-26T19:31:59.000+08:00
diff --git a/include/LCUI/gui/widget_helper.h b/include/LCUI/gui/widget_helper.h
@@ -66,6 +66,8 @@ LCUI_API void Widget_Hide(LCUI_Widget w);
 
 LCUI_API void Widget_SetPosition(LCUI_Widget w, LCUI_StyleValue position);
 
+LCUI_API void Widget_SetOpacity(LCUI_Widget w, float opacity);
+
 LCUI_API void Widget_SetBoxSizing(LCUI_Widget w, LCUI_StyleValue sizing);
 
 LCUI_END_HEADER
diff --git a/src/gui/widget_helper.c b/src/gui/widget_helper.c
@@ -118,6 +118,12 @@ void Widget_SetPosition(LCUI_Widget w, LCUI_StyleValue position)
 	Widget_UpdateStyle(w, FALSE);
 }
 
+void Widget_SetOpacity(LCUI_Widget w, float opacity)
+{
+	Widget_SetStyle(w, key_opacity, opacity, scale);
+	Widget_UpdateStyle(w, FALSE);
+}
+
 void Widget_SetBoxSizing(LCUI_Widget w, LCUI_StyleValue sizing)
 {
 	Widget_SetStyle(w, key_box_sizing, sizing, style);

Original file line number	Diff line number	Diff line change
`@@ -118,6 +118,12 @@ void Widget_SetPosition(LCUI_Widget w, LCUI_StyleValue position)`
`118`	`118`	`Widget_UpdateStyle(w, FALSE);`
`119`	`119`	`}`
`120`	`120`
	`121`	`+void Widget_SetOpacity(LCUI_Widget w, float opacity)`
	`122`	`+{`
	`123`	`+ Widget_SetStyle(w, key_opacity, opacity, scale);`
	`124`	`+ Widget_UpdateStyle(w, FALSE);`
	`125`	`+}`
	`126`	`+`
`121`	`127`	`void Widget_SetBoxSizing(LCUI_Widget w, LCUI_StyleValue sizing)`
`122`	`128`	`{`
`123`	`129`	`Widget_SetStyle(w, key_box_sizing, sizing, style);`