1 files changed, 42 insertions, 43 deletions

diff --git a/minui/minui.h b/minui/minui.h
index 733b675..bdde083 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -19,67 +19,70 @@
 
 #include <sys/types.h>
 
-#include <stdbool.h>
+#include <functional>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+//
+// Graphics.
+//
 
-typedef struct {
+struct GRSurface {
     int width;
     int height;
     int row_bytes;
     int pixel_bytes;
     unsigned char* data;
-} GRSurface;
+};
 
-typedef GRSurface* gr_surface;
+int gr_init();
+void gr_exit();
 
-int gr_init(void);
-void gr_exit(void);
+int gr_fb_width();
+int gr_fb_height();
 
-int gr_fb_width(void);
-int gr_fb_height(void);
-
-void gr_flip(void);
+void gr_flip();
 void gr_fb_blank(bool blank);
 
 void gr_clear();  // clear entire surface to current color
 void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
 void gr_fill(int x1, int y1, int x2, int y2);
-void gr_text(int x, int y, const char *s, int bold);
-void gr_texticon(int x, int y, gr_surface icon);
+void gr_text(int x, int y, const char *s, bool bold);
+void gr_texticon(int x, int y, GRSurface* icon);
 int gr_measure(const char *s);
 void gr_font_size(int *x, int *y);
 
-void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy);
-unsigned int gr_get_width(gr_surface surface);
-unsigned int gr_get_height(gr_surface surface);
+void gr_blit(GRSurface* source, int sx, int sy, int w, int h, int dx, int dy);
+unsigned int gr_get_width(GRSurface* surface);
+unsigned int gr_get_height(GRSurface* surface);
+
+//
+// Input events.
+//
 
-// input event structure, include <linux/input.h> for the definition.
-// see http://www.mjmwired.net/kernel/Documentation/input/ for info.
 struct input_event;
 
-typedef int (*ev_callback)(int fd, uint32_t epevents, void *data);
-typedef int (*ev_set_key_callback)(int code, int value, void *data);
+// TODO: move these over to std::function.
+typedef int (*ev_callback)(int fd, uint32_t epevents, void* data);
+typedef int (*ev_set_key_callback)(int code, int value, void* data);
 
-int ev_init(ev_callback input_cb, void *data);
-void ev_exit(void);
-int ev_add_fd(int fd, ev_callback cb, void *data);
-int ev_sync_key_state(ev_set_key_callback set_key_cb, void *data);
+int ev_init(ev_callback input_cb, void* data);
+void ev_exit();
+int ev_add_fd(int fd, ev_callback cb, void* data);
+void ev_iterate_available_keys(std::function<void(int)> f);
+int ev_sync_key_state(ev_set_key_callback set_key_cb, void* data);
 
-/* timeout has the same semantics as for poll
- *    0 : don't block
- *  < 0 : block forever
- *  > 0 : block for 'timeout' milliseconds
- */
+// 'timeout' has the same semantics as poll(2).
+//    0 : don't block
+//  < 0 : block forever
+//  > 0 : block for 'timeout' milliseconds
 int ev_wait(int timeout);
 
-int ev_get_input(int fd, uint32_t epevents, struct input_event *ev);
-void ev_dispatch(void);
-int ev_get_epollfd(void);
+int ev_get_input(int fd, uint32_t epevents, input_event* ev);
+void ev_dispatch();
+int ev_get_epollfd();
 
+//
 // Resources
+//
 
 // res_create_*_surface() functions return 0 if no error, else
 // negative.
@@ -92,17 +95,17 @@ int ev_get_epollfd(void);
 // All these functions load PNG images from "/res/images/${name}.png".
 
 // Load a single display surface from a PNG image.
-int res_create_display_surface(const char* name, gr_surface* pSurface);
+int res_create_display_surface(const char* name, GRSurface** pSurface);
 
 // Load an array of display surfaces from a single PNG image.  The PNG
 // should have a 'Frames' text chunk whose value is the number of
 // frames this image represents.  The pixel data itself is interlaced
 // by row.
 int res_create_multi_display_surface(const char* name,
-                                     int* frames, gr_surface** pSurface);
+                                     int* frames, GRSurface*** pSurface);
 
 // Load a single alpha surface from a grayscale PNG image.
-int res_create_alpha_surface(const char* name, gr_surface* pSurface);
+int res_create_alpha_surface(const char* name, GRSurface** pSurface);
 
 // Load part of a grayscale PNG image that is the first match for the
 // given locale.  The image is expected to be a composite of multiple
@@ -111,14 +114,10 @@ int res_create_alpha_surface(const char* name, gr_surface* pSurface);
 // development/tools/recovery_l10n for an app that will generate these
 // specialized images from Android resources.
 int res_create_localized_alpha_surface(const char* name, const char* locale,
-                                       gr_surface* pSurface);
+                                       GRSurface** pSurface);
 
 // Free a surface allocated by any of the res_create_*_surface()
 // functions.
-void res_free_surface(gr_surface surface);
-
-#ifdef __cplusplus
-}
-#endif
+void res_free_surface(GRSurface* surface);
 
 #endif