added panel flag getter/setter

gui.c

@@ -1793,6 +1793,24 @@ gui_panel_init(struct gui_panel *panel, gui_float x, gui_float y, gui_float w,
     panel->minimized = gui_false;
 }
 
+void
+gui_panel_add_flag(struct gui_panel *panel, gui_flags f)
+{
+    panel->flags |= f;
+}
+
+void
+gui_panel_remove_flag(struct gui_panel *panel, gui_flags f)
+{
+    panel->flags &= (gui_flags)~f;
+}
+
+gui_bool
+gui_panel_has_flag(struct gui_panel *panel, gui_flags f)
+{
+    return (panel->flags & f) ? gui_true: gui_false;
+}
+
 gui_bool
 gui_panel_begin(struct gui_panel_layout *l, struct gui_panel *p,
     const char *text, const struct gui_input *i)

gui.h

@@ -1685,7 +1685,7 @@ struct gui_panel_layout {
     /* command draw call output command buffer */
 };
 
-/* Panel */
+
 struct gui_layout;
 void gui_panel_init(struct gui_panel*, gui_float x, gui_float y, gui_float w,
                             gui_float h, gui_flags, struct gui_command_buffer*, 
@@ -1699,6 +1699,21 @@ void gui_panel_init(struct gui_panel*, gui_float x, gui_float y, gui_float w,
     Output:
     - a newly initialized panel
 */
+void gui_panel_add_flag(struct gui_panel*, gui_flags);
+/*  this function adds panel flags to the panel
+    Input:
+    - panel flags to add the panel
+*/
+void gui_panel_remove_flag(struct gui_panel*, gui_flags);
+/*  this function removes panel flags from the panel
+    Input:
+    - panel flags to remove from the panel
+*/
+gui_bool gui_panel_has_flag(struct gui_panel*, gui_flags);
+/*  this function checks if a panel has given flag(s)
+    Input:
+    - panel flags to check for
+*/
 gui_bool gui_panel_begin(struct gui_panel_layout *layout, struct gui_panel*,
                                     const char *title, const struct gui_input*);
 /*  this function begins the panel build up process