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#ifndef INCLUDED_DUMBGUI_H
#define INCLUDED_DUMBGUI_H
/* GUI_FINISHED_WITH: Set this in your update, key or mouse function when you
* don't need the object any more. It will be destroyed
* before redrawing or any subsequent updates take place.
* GUI_OTHER: Any powers of two greater than or equal to this are
* free for use by objects for specific purposes.
*/
#define GUI_FINISHED_WITH 1
#define GUI_OTHER 2
typedef struct GUI GUI;
/* GUI_CREATE: Create a GUI object.
* GUI_DESTROY: Destroy the GUI object.
* GUI_KEY: Respond to a key.
* GUI_UPDATE: Process any real-time activity.
* GUI_DRAW: Draw any parts of the GUI that have changed. This may be
* called more than once with different clipping rectangles,
* so don't clear any flags here.
* GUI_DRAWN: Clear any redraw flags.
* GUI_CHANGED_*: Set flags to redraw parts of the object as necessary for
* the change that has occurred.
*/
typedef void (*GUI_CREATE)(GUI *gui, void *param);
typedef void (*GUI_DESTROY)(GUI *gui);
typedef void (*GUI_KEY)(GUI *gui, int k);
typedef void (*GUI_UPDATE)(GUI *gui);
typedef void (*GUI_DRAW)(GUI *gui);
typedef void (*GUI_DRAWN)(GUI *gui);
typedef void (*GUI_CHANGED_ALL)(GUI *gui);
typedef void (*GUI_CHANGED_ACTIVE)(GUI *gui);
typedef struct GUI_COMMANDS
{
GUI_CREATE create;
GUI_DESTROY destroy;
GUI_KEY key;
GUI_UPDATE update;
GUI_DRAW draw;
GUI_DRAWN drawn;
GUI_CHANGED_ALL changed_all;
GUI_CHANGED_ACTIVE changed_active;
}
GUI_COMMANDS;
struct GUI
{
GUI_COMMANDS *com;
GUI *parent;
int x, y, w, h;
int flags;
void *data;
};
extern GUI *gui_active;
void gui_set_active(GUI *gui);
GUI *gui_create(GUI_COMMANDS *com, GUI *parent, int x, int y, int w, int h, void *param);
void gui_destroy(GUI *gui);
void gui_key(GUI *gui, int k);
void gui_update(GUI *gui);
void gui_draw(GUI *gui);
void gui_draw_void(void *gui);
void gui_drawn(GUI *gui);
void gui_changed_all(GUI *gui);
void gui_changed_active(GUI *gui);
#endif /* INCLUDED_DUMBGUI_H */
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