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Diffstat (limited to 'src/onscreen_keyboard.h')
| -rw-r--r-- | src/onscreen_keyboard.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/onscreen_keyboard.h b/src/onscreen_keyboard.h new file mode 100644 index 0000000..94b58af --- /dev/null +++ b/src/onscreen_keyboard.h @@ -0,0 +1,123 @@ +#include "wchar.h" +#include "stdio.h" +#include "SDL.h" +#include "SDL_ttf.h" +/* after file:///usr/share/doc/libsdl1.2-dev/docs/html/sdlkey.html + +Table 8-2. SDL modifier definitions + +SDL Modifier Meaning +KMOD_NONE No modifiers applicable +KMOD_NUM Numlock is down +KMOD_CAPS Capslock is down +KMOD_LCTRL Left Control is down +KMOD_RCTRL Right Control is down +KMOD_RSHIFT Right Shift is down +KMOD_LSHIFT Left Shift is down +KMOD_RALT Right Alt is down +KMOD_LALT Left Alt is down +KMOD_CTRL A Control key is down +KMOD_SHIFT A Shift key is down +KMOD_ALT An Alt key is down + +*/ + + + +typedef struct osk_keymap +{ + int keycode; + int disable_caps; /* If caps lock should affect this key */ + char * plain; /* The default Xkeysym for the keycode */ + char * caps; /* If CapsLock or Shift + key */ + char * altgr; /* If AltGr + key */ + char * shiftaltgr; /* If AltGr + Shift + key */ +} osk_keymap; + +typedef struct osk_key +{ + int keycode; /* The code associated to this key. If 0, then it is an empty key. */ + int row; + int x; + int y; + float width; /* The width in buttons */ + wchar_t *plain_label; /* The text that will show the key */ + wchar_t *top_label; /* The text that will show the key above the plain label. */ + wchar_t *altgr_label; /* The text that will show the key at the right of the plain label */ + int shiftcaps; /* If the value of the key should be shifted when capslock is active */ +} osk_key; + +typedef struct osk_composenode +{ + wchar_t * keysym; + wchar_t * result; + int size; /* How many childs are there. */ + struct osk_composenode ** childs; + // struct osk_composenode **parent; +} osk_composenode; + +typedef struct keysymdefs +{ + char * mnemo; + int keysym; + int unicode; +} keysymdefs; + +typedef struct osk_layout +{ + char *name; + int *rows; + int width; + int height; + char * fontpath; + osk_key **keys; + osk_keymap *keymap; + osk_composenode * composemap; + keysymdefs * keysymdefs; + uint sizeofkeysymdefs; + SDL_Color bgcolor; + SDL_Color fgcolor; +} osk_layout; + +typedef struct osk_keymodifiers +{ + osk_key shift; + osk_key altgr; + osk_key compose; + osk_key dead; +} osk_keymodifiers; + +typedef struct osk_keyboard +{ + char * name; /* The name of the keyboard */ + char * keyboard_list; /* The names of the keyboards allowed from this one */ + SDL_Surface *surface; /* The surface containing the keyboard */ + SDL_Surface *button_up; /* The surfaces containing the buttons */ + SDL_Surface *button_down; + SDL_Surface *button_off; + int changed; /* If the surface has been modified (painted) */ + SDL_Rect rect; /* The rectangle that has changed */ + int recreated; /* If the surface has been deleted and newly created */ + int modifiers; /* The state of Alt, CTRL, Shift, CapsLock, AltGr keys */ + osk_keymodifiers keymodifiers; /* A shortcurt to find the place of the pressed modifiers */ + osk_layout *layout; /* The layout struct */ + char *layout_name[256]; /* The layout name */ + wchar_t * key[256]; /* The text of the key */ + int keycode; /* The unicode code corresponding to the key */ + wchar_t * composed; /* The unicode char found after a sequence of key presses */ + int composed_type; /* 1 if the value stored in composed is yet the unicode value */ + osk_composenode * composing; /* The node in the middle of a compose sequence */ + osk_key * last_key_pressed; /* The last key pressed */ +} on_screen_keyboard; + +struct osk_keyboard *osk_create(char *layout_name, SDL_Surface *canvas, SDL_Surface *button_up, SDL_Surface *button_down, SDL_Surface * button_off); + +struct osk_layout *osk_load_layout(char *layout_name); + +void osk_get_layout_data(char *layout_name, int *layout_w, int *layout_h, char * layout_buttons, char *layout_labels, char *layout_keycodes); +void osk_reset(on_screen_keyboard *osk); +struct osk_keyboard * osk_clicked(on_screen_keyboard *keyboard, int x, int y); +void osk_released(on_screen_keyboard *osk); +void osk_hover(on_screen_keyboard *keyboard, int x, int y); +void osk_free(on_screen_keyboard *osk); +void osk_change_layout(on_screen_keyboard *osk); |