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fix erroneous button read in yesno screen and missed buttons in action.c.

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If two yesno screens directly follow each other the button release of the
first one was incorrectly accepted in the second one. The fix exposed another
problem in action.c if action_wait_for_release() is called when no button is
actually pressed. The next press was silently eaten.

Change-Id: Iaa5f246f7ea1fd775606620a989cdaec74a9305e
This commit is contained in:
Thomas Martitz 2012-07-18 10:25:32 +02:00
parent df9bd8730c
commit 15775c8bad
2 changed files with 11 additions and 2 deletions
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6
apps/action.c
View file

@ -232,7 +232,13 @@ static int get_action_worker(int context, int timeout,
/* Data from sys events can be pulled with button_get_data
* multimedia button presses don't go through the action system */
if (button == BUTTON_NONE || button & (SYS_EVENT|BUTTON_MULTIMEDIA))
{
/* no button pressed so no point in waiting for release */
if (button == BUTTON_NONE)
wait_for_release = false;
return button;
}
/* the special redraw button should result in a screen refresh */
if (button == BUTTON_REDRAW)
return ACTION_REDRAW;

7
apps/gui/yesno.c
View file

@ -169,9 +169,10 @@ enum yesno_res gui_syncyesno_run(const struct text_message * main_message,
screens[i].stop_scroll();
gui_yesno_draw(&(yn[i]));
}
/* make sure to eat any extranous keypresses */
while (get_action(CONTEXT_STD+99, TIMEOUT_NOBLOCK))
action_wait_for_release();
action_wait_for_release();
while (result==-1)
{
/* Repeat the question every 5secs (more or less) */
@ -205,6 +206,7 @@ enum yesno_res gui_syncyesno_run(const struct text_message * main_message,
result=YESNO_YES;
break;
case ACTION_NONE:
case ACTION_UNKNOWN:
case SYS_CHARGER_DISCONNECTED:
case SYS_BATTERY_UPDATE:
/* ignore some SYS events that can happen */
@ -233,6 +235,7 @@ enum yesno_res gui_syncyesno_run(const struct text_message * main_message,
screens[i].scroll_stop(yn[i].vp);
viewportmanager_theme_undo(i, true);
}
return(result);
}