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-rw-r--r--ui.c35
1 files changed, 31 insertions, 4 deletions
diff --git a/ui.c b/ui.c
index 84a9b85c2..82004f031 100644
--- a/ui.c
+++ b/ui.c
@@ -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;
}