gint/src/keysc/getkey.c

117 lines
2.7 KiB
C

//---
// gint:keysc:getkey - High-level keyboard monitoring function
//---
#include <gint/keyboard.h>
#include <gint/drivers/keydev.h>
#include <gint/gint.h>
#include <gint/defs/types.h>
#ifdef FX9860G
#include <gint/drivers/t6k11.h>
#endif
/* Feature function */
static getkey_feature_t feature_function = NULL;
/* getkey(): Wait for a key press */
key_event_t getkey(void)
{
return getkey_opt(GETKEY_DEFAULT, NULL);
}
/* getkey_opt(): Enhanced getkey() */
key_event_t getkey_opt(int opt, volatile int *timeout)
{
keydev_t *d = keydev_std();
keydev_transform_t tr = keydev_transform(d);
key_event_t e;
int o = KEYDEV_TR_REPEATS +
KEYDEV_TR_DELETE_MODIFIERS +
KEYDEV_TR_DELETE_RELEASES +
(opt & (GETKEY_MOD_SHIFT + GETKEY_MOD_ALPHA));
keydev_set_transform(d, (keydev_transform_t){ o, tr.repeater });
while(1)
{
e = keydev_read(d, true, timeout);
if(e.type == KEYEV_NONE && timeout && *timeout) break;
/* Skip repeat events that are not enabled by options */
if(e.type == KEYEV_HOLD && !(opt & GETKEY_REP_ALL))
{
if(!(opt & GETKEY_REP_ARROWS))
continue;
if(e.key != KEY_LEFT && e.key != KEY_RIGHT &&
e.key != KEY_UP && e.key != KEY_DOWN)
continue;
}
#ifdef FX9860G
/* Backlight toggle */
if((opt & GETKEY_BACKLIGHT) && e.type == KEYEV_DOWN &&
((e.key == KEY_LIGHT) ||
(e.key == KEY_OPTN && e.shift && !e.alpha)))
{
t6k11_backlight(-1);
continue;
}
#endif
/* Return-to-menu */
if((opt & GETKEY_MENU) && e.type == KEYEV_DOWN &&
e.key == KEY_MENU && !e.shift && !e.alpha)
{
gint_osmenu();
continue;
}
if(e.type == KEYEV_DOWN || e.type == KEYEV_HOLD)
{
/* Custom global features */
bool accepted = false;
if((opt & GETKEY_FEATURES) && feature_function)
accepted = feature_function(e);
/* Return if the event has not been accepted yet */
if(!accepted) break;
}
}
/* Restore previous transform settings */
keydev_set_transform(d, tr);
return e;
}
/* getkey_feature_function(): Get the current feature function */
getkey_feature_t getkey_feature_function(void)
{
return feature_function;
}
/* getkey_set_feature_function(): Set the global feature function */
void getkey_set_feature_function(getkey_feature_t function)
{
feature_function = function;
}
/* Deprecated repeat functions */
void getkey_repeat(int first, int next)
{
keydev_set_standard_repeats(keydev_std(), first * 1000, next * 1000);
}
getkey_profile_t getkey_repeat_profile(void)
{
return keydev_transform(keydev_std()).repeater;
}
/* getkey_set_repeat_profile(): Set the repeat profile function */
void getkey_set_repeat_profile(getkey_profile_t profile)
{
keydev_transform_t tr = keydev_transform(keydev_std());
tr.repeater = profile;
keydev_set_transform(keydev_std(), tr);
}