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You shouldn't get axis and hat events when your application doesn't have focus (unless you use the SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS hint)

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This commit is contained in:
Sam Lantinga 2014-06-21 21:30:49 -07:00
parent f8b75b1a14
commit 7b7828a46e
1 changed files with 23 additions and 15 deletions
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38
src/joystick/SDL_joystick.c
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@ -502,21 +502,22 @@ SDL_PrivateJoystickAxis(SDL_Joystick * joystick, Uint8 axis, Sint16 value)
return 0;
}
/* We ignore events if we don't have keyboard focus, except for centering
* events.
*/
if (SDL_PrivateJoystickShouldIgnoreEvent()) {
if ((value > 0 && value >= joystick->axes[axis]) ||
(value < 0 && value <= joystick->axes[axis])) {
return 0;
}
}
/* Update internal joystick state */
if (value == joystick->axes[axis]) {
return 0;
}
joystick->axes[axis] = value;
/* We ignore events if we don't have keyboard focus, except for centering
* events.
*/
if (SDL_PrivateJoystickShouldIgnoreEvent()) {
if (!(joystick->closed && joystick->uncentered)) {
return 0;
}
}
/* Post the event, if desired */
posted = 0;
#if !SDL_EVENTS_DISABLED
@ -542,18 +543,20 @@ SDL_PrivateJoystickHat(SDL_Joystick * joystick, Uint8 hat, Uint8 value)
return 0;
}
/* Update internal joystick state */
joystick->hats[hat] = value;
/* We ignore events if we don't have keyboard focus, except for centering
* events.
*/
if (SDL_PrivateJoystickShouldIgnoreEvent()) {
if (!(joystick->closed && joystick->uncentered)) {
if (value != SDL_HAT_CENTERED) {
return 0;
}
}
/* Update internal joystick state */
if (value == joystick->hats[hat]) {
return 0;
}
joystick->hats[hat] = value;
/* Post the event, if desired */
posted = 0;
@ -633,11 +636,16 @@ SDL_PrivateJoystickButton(SDL_Joystick * joystick, Uint8 button, Uint8 state)
/* We ignore events if we don't have keyboard focus, except for button
* release. */
if (state == SDL_PRESSED && SDL_PrivateJoystickShouldIgnoreEvent()) {
return 0;
if (SDL_PrivateJoystickShouldIgnoreEvent()) {
if (state == SDL_PRESSED) {
return 0;
}
}
/* Update internal joystick state */
if (state == joystick->buttons[button]) {
return 0;
}
joystick->buttons[button] = state;
/* Post the event, if desired */