OSD menus initial version

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8198 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 72 insertions, 0 deletions

diff --git a/libmenu/menu.h b/libmenu/menu.h
new file mode 100644
index 0000000000..225326a40b
--- /dev/null
+++ b/libmenu/menu.h
@@ -0,0 +1,72 @@
+
+struct menu_priv_s;
+typedef struct  menu_s menu_t;
+
+struct  menu_s {
+  void (*draw)(menu_t* menu,mp_image_t* mpi);
+  void (*read_cmd)(menu_t* menu,int cmd);
+  void (*read_key)(menu_t* menu,int cmd);
+  void (*close)(menu_t* menu);
+  m_struct_t* priv_st;
+  struct menu_priv_s* priv;
+  int show; // Draw it ?
+  int cl; // Close request (user sent a close cmd or
+  menu_t* parent;
+};
+
+typedef struct menu_info_s {
+  const char *info;
+  const char *name;
+  const char *author;
+  const char *comment;
+  m_struct_t priv_st; // Config struct definition
+  // cfg is a config struct as defined in cfg_st, it may be used as a priv struct
+  // cfg is filled from the attributs found in the cfg file
+  // the args param hold the content of the balise in the cfg file (if any)
+  int (*open)(menu_t* menu, char* args);
+} menu_info_t;
+
+
+#define MENU_CMD_UP 0
+#define MENU_CMD_DOWN 1
+#define MENU_CMD_OK 2
+#define MENU_CMD_CANCEL 3
+
+/// Global init/uninit
+int menu_init(char* cfg_file);
+void menu_unint(void);
+
+/// Open a menu defined in the config file
+menu_t* menu_open(char *name);
+
+void menu_draw(menu_t* menu,mp_image_t* mpi);
+void menu_read_cmd(menu_t* menu,int cmd);
+void menu_close(menu_t* menu);
+void menu_read_key(menu_t* menu,int cmd);
+
+//// Default implementation
+void menu_dflt_read_key(menu_t* menu,int cmd);
+
+/////////// Helpers
+
+#define MENU_TEXT_TOP	(1<<0)
+#define MENU_TEXT_VCENTER	(1<<1)
+#define MENU_TEXT_BOT	(1<<2)
+#define MENU_TEXT_VMASK	(MENU_TEXT_TOP|MENU_TEXT_VCENTER|MENU_TEXT_BOT)
+#define MENU_TEXT_LEFT	(1<<3)
+#define MENU_TEXT_HCENTER	(1<<4)
+#define MENU_TEXT_RIGHT	(1<<5)
+#define MENU_TEXT_HMASK	(MENU_TEXT_LEFT|MENU_TEXT_HCENTER|MENU_TEXT_RIGHT)
+#define MENU_TEXT_CENTER	(MENU_TEXT_VCENTER|MENU_TEXT_HCENTER)
+
+void menu_draw_text(mp_image_t* mpi, char* txt, int x, int y);
+int menu_text_length(char* txt);
+int menu_text_num_lines(char* txt, int max_width);
+
+void menu_text_size(char* txt,int max_width, 
+		    int vspace, int warp,
+		    int* _w, int* _h);
+
+void menu_draw_text_full(mp_image_t* mpi,char* txt,
+			 int x, int y,int w, int h,
+			 int vspace, int warp, int align, int anchor);