};
struct wt_rect {
- int x, y, width, height;
+ int x, y, w, h;
+};
+
+/* graphics flags */
+enum {
+ WT_GFX_RGB = 1, /* RGB mode, calls newcolor to set current, not to allocate */
+ WT_GFX_NODIRTY = 2 /* don't use dirty rects, always redraw completely */
};
struct wt_graphics {
+ unsigned int flags;
+
int (*newcolor)(int r, int g, int b);
void (*color)(int c);
int (*baseline)(int font);
};
+typedef void (*wt_draw_func)(wt_widget*, struct wt_graphics*);
+
+struct wt_theme {
+ char *name;
+ void *so;
+ wt_draw_func draw_window;
+ wt_draw_func draw_label;
+ wt_draw_func draw_button;
+ wt_draw_func draw_checkbox;
+ wt_draw_func draw_textfield;
+
+ struct wt_theme *next;
+};
+
void wt_allocator(void *(*allocfunc)(size_t), void (*freefunc)(void*));
int wt_init(int w, int h, struct wt_graphics *gfx);
void wt_destroy(void);
+struct wt_theme *wt_load_theme(const char *path); /* load dynamically, where applicable */
+void wt_unload_theme(struct wt_theme *theme);
+void wt_use_theme(struct wt_theme *theme);
+
void wt_viewport(int x, int y, int w, int h);
void wt_graphics(struct wt_graphics *gfx);
void wt_draw(void);
+/* screen regions updated by the last wt_draw */
+int wt_num_upd(void);
+struct wt_rect *wt_upd_rect(int idx);
+void wt_add_upd_rect(struct wt_rect *r);
+
wt_widget *wt_alloc_widget(wt_widget *par);
void wt_free_widget(wt_widget *w);
void wt_free_tree(wt_widget *tree);
+void wt_dirty_widget(wt_widget *w); /* propagates to children */
+
wt_widget *wt_window(wt_widget *par, const char *title, int style, int x, int y, int width, int height);
wt_widget *wt_label(wt_widget *par, const char *text, int x, int y);
wt_widget *wt_button(wt_widget *par, const char *text, int x, int y, int width, int height);
void wt_callback(wt_widget *w, int type, wt_callback_func func, void *cls);
-void wt_setrect(struct wt_rect *r, int x, int y, int w, int h);
+void wt_rect(struct wt_rect *r, int x, int y, int w, int h);
+void wt_rect_union(struct wt_rect *a, struct wt_rect *b);
+int wt_rect_overlap(struct wt_rect *a, struct wt_rect *b);
#endif /* WINDTK_H_ */