diff options
Diffstat (limited to 'ui.c')
| -rw-r--r-- | ui.c | 35 |
1 files changed, 31 insertions, 4 deletions
@@ -24,6 +24,7 @@ #include <sys/time.h> #include <time.h> #include <unistd.h> +#include <errno.h> #include "common.h" #include "minui/minui.h" @@ -38,6 +39,8 @@ #define PROGRESSBAR_INDETERMINATE_STATES 6 #define PROGRESSBAR_INDETERMINATE_FPS 15 +#define UI_WAIT_KEY_TIMEOUT_SEC 120 + static pthread_mutex_t gUpdateMutex = PTHREAD_MUTEX_INITIALIZER; static gr_surface gBackgroundIcon[NUM_BACKGROUND_ICONS]; static gr_surface gProgressBarIndeterminate[PROGRESSBAR_INDETERMINATE_STATES]; @@ -78,6 +81,7 @@ static char text[MAX_ROWS][MAX_COLS]; static int text_cols = 0, text_rows = 0; static int text_col = 0, text_row = 0, text_top = 0; static int show_text = 0; +static int show_text_ever = 0; // has show_text ever been 1? static char menu[MAX_ROWS][MAX_COLS]; static int show_menu = 0; @@ -295,6 +299,7 @@ static void *input_thread(void *cookie) if (ev.value > 0 && device_toggle_display(key_pressed, ev.code)) { pthread_mutex_lock(&gUpdateMutex); show_text = !show_text; + if (show_text) show_text_ever = 1; update_screen_locked(); pthread_mutex_unlock(&gUpdateMutex); } @@ -481,10 +486,19 @@ int ui_text_visible() return visible; } +int ui_text_ever_visible() +{ + pthread_mutex_lock(&gUpdateMutex); + int ever_visible = show_text_ever; + pthread_mutex_unlock(&gUpdateMutex); + return ever_visible; +} + void ui_show_text(int visible) { pthread_mutex_lock(&gUpdateMutex); show_text = visible; + if (show_text) show_text_ever = 1; update_screen_locked(); pthread_mutex_unlock(&gUpdateMutex); } @@ -492,12 +506,25 @@ void ui_show_text(int visible) int ui_wait_key() { pthread_mutex_lock(&key_queue_mutex); - while (key_queue_len == 0) { - pthread_cond_wait(&key_queue_cond, &key_queue_mutex); + + struct timeval now; + struct timespec timeout; + gettimeofday(&now, NULL); + timeout.tv_sec = now.tv_sec; + timeout.tv_nsec = now.tv_usec * 1000; + timeout.tv_sec += UI_WAIT_KEY_TIMEOUT_SEC; + + int rc = 0; + while (key_queue_len == 0 && rc != ETIMEDOUT) { + rc = pthread_cond_timedwait(&key_queue_cond, &key_queue_mutex, + &timeout); } - int key = key_queue[0]; - memcpy(&key_queue[0], &key_queue[1], sizeof(int) * --key_queue_len); + int key = -1; + if (key_queue_len > 0) { + key = key_queue[0]; + memcpy(&key_queue[0], &key_queue[1], sizeof(int) * --key_queue_len); + } pthread_mutex_unlock(&key_queue_mutex); return key; } |