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-rw-r--r--source/nds/gui.c135
1 files changed, 95 insertions, 40 deletions
diff --git a/source/nds/gui.c b/source/nds/gui.c
index 67de6cd..8b645fe 100644
--- a/source/nds/gui.c
+++ b/source/nds/gui.c
@@ -330,17 +330,53 @@ static void quit(void);
/*--------------------------------------------------------
Get GUI input
--------------------------------------------------------*/
+#define BUTTON_REPEAT_START (21428 / 2)
+#define BUTTON_REPEAT_CONTINUE (21428 / 20)
+
+u32 button_repeat_timestamp;
+
+typedef enum
+{
+ BUTTON_NOT_HELD,
+ BUTTON_HELD_INITIAL,
+ BUTTON_HELD_REPEAT
+} button_repeat_state_type;
+
+button_repeat_state_type button_repeat_state = BUTTON_NOT_HELD;
+unsigned int gui_button_repeat = 0;
+
+gui_action_type key_to_cursor(unsigned int key)
+{
+ switch (key)
+ {
+ case KEY_UP: return CURSOR_UP;
+ case KEY_DOWN: return CURSOR_DOWN;
+ case KEY_LEFT: return CURSOR_LEFT;
+ case KEY_RIGHT: return CURSOR_RIGHT;
+ case KEY_L: return CURSOR_LTRIGGER;
+ case KEY_R: return CURSOR_RTRIGGER;
+ case KEY_A: return CURSOR_SELECT;
+ case KEY_B: return CURSOR_BACK;
+ case KEY_X: return CURSOR_EXIT;
+ case KEY_TOUCH: return CURSOR_TOUCH;
+ default: return CURSOR_NONE;
+ }
+}
+
+static unsigned int gui_keys[] = {
+ KEY_A, KEY_B, KEY_X, KEY_L, KEY_R, KEY_TOUCH, KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT
+};
+
gui_action_type get_gui_input(void)
{
- unsigned int key;
gui_action_type ret;
- key = getKey();
+ struct key_buf inputdata;
+ ds2_getrawInput(&inputdata);
- if (key & KEY_LID)
+ if (inputdata.key & KEY_LID)
{
ds2_setSupend();
- struct key_buf inputdata;
do {
ds2_getrawInput(&inputdata);
mdelay(1);
@@ -352,44 +388,63 @@ gui_action_type get_gui_input(void)
// ds2_setBacklight(3);
}
- switch(key)
+ unsigned int i;
+ while (1)
{
- case KEY_UP:
- ret = CURSOR_UP;
- break;
- case KEY_DOWN:
- ret = CURSOR_DOWN;
- break;
- case KEY_LEFT:
- ret = CURSOR_LEFT;
- break;
- case KEY_RIGHT:
- ret = CURSOR_RIGHT;
- break;
- case KEY_L:
- ret = CURSOR_LTRIGGER;
- break;
- case KEY_R:
- ret = CURSOR_RTRIGGER;
- break;
- case KEY_A:
- ret = CURSOR_SELECT;
- break;
- case KEY_B:
- ret = CURSOR_BACK;
- break;
- case KEY_X:
- ret = CURSOR_EXIT;
- break;
- case KEY_TOUCH:
- ret = CURSOR_TOUCH;
- break;
- default:
- ret = CURSOR_NONE;
- break;
+ switch (button_repeat_state)
+ {
+ case BUTTON_NOT_HELD:
+ // Pick the first pressed button out of the gui_keys array.
+ for (i = 0; i < sizeof(gui_keys) / sizeof(gui_keys[0]); i++)
+ {
+ if (inputdata.key & gui_keys[i])
+ {
+ button_repeat_state = BUTTON_HELD_INITIAL;
+ button_repeat_timestamp = getSysTime();
+ gui_button_repeat = gui_keys[i];
+ return key_to_cursor(gui_keys[i]);
+ }
+ }
+ return CURSOR_NONE;
+ case BUTTON_HELD_INITIAL:
+ case BUTTON_HELD_REPEAT:
+ // If the key that was being held isn't anymore...
+ if (!(inputdata.key & gui_button_repeat))
+ {
+ button_repeat_state = BUTTON_NOT_HELD;
+ // Go see if another key is held (try #2)
+ break;
+ }
+ else
+ {
+ unsigned int IsRepeatReady = getSysTime() - button_repeat_timestamp >= (button_repeat_state == BUTTON_HELD_INITIAL ? BUTTON_REPEAT_START : BUTTON_REPEAT_CONTINUE);
+ if (!IsRepeatReady)
+ {
+ // Temporarily turn off the key.
+ // It's not its turn to be repeated.
+ inputdata.key &= ~gui_button_repeat;
+ }
+
+ // Pick the first pressed button out of the gui_keys array.
+ for (i = 0; i < sizeof(gui_keys) / sizeof(gui_keys[0]); i++)
+ {
+ if (inputdata.key & gui_keys[i])
+ {
+ // If it's the held key,
+ // it's now repeating quickly.
+ button_repeat_state = gui_keys[i] == gui_button_repeat ? BUTTON_HELD_REPEAT : BUTTON_HELD_INITIAL;
+ button_repeat_timestamp = getSysTime();
+ gui_button_repeat = gui_keys[i];
+ return key_to_cursor(gui_keys[i]);
+ }
+ }
+ // If it was time for the repeat but it
+ // didn't occur, stop repeating.
+ if (IsRepeatReady) button_repeat_state = BUTTON_NOT_HELD;
+ return CURSOR_NONE;
+ }
+ }
}
-
- return ret;
}
/*--------------------------------------------------------