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Fixed displaying more than 18 buttons

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This commit is contained in:
Sam Lantinga 2022-10-02 09:08:39 -07:00
parent 6c8bf3af4c
commit a00565b8ba
1 changed files with 10 additions and 4 deletions
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14
test/testjoystick.c
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@ -198,19 +198,25 @@ loop(void *arg)
}
if (joystick) {
const int BUTTONS_PER_LINE = ((SCREEN_WIDTH - 4) / 34);
int x, y;
/* Update visual joystick state */
SDL_SetRenderDrawColor(screen, 0x00, 0xFF, 0x00, SDL_ALPHA_OPAQUE);
y = SCREEN_HEIGHT - ((((SDL_JoystickNumButtons(joystick) + (BUTTONS_PER_LINE - 1)) / BUTTONS_PER_LINE) + 1) * 34);
for (i = 0; i < SDL_JoystickNumButtons(joystick); ++i) {
if ((i % BUTTONS_PER_LINE) == 0) {
y += 34;
}
if (SDL_JoystickGetButton(joystick, i) == SDL_PRESSED) {
DrawRect(screen, (i%20) * 34, SCREEN_HEIGHT - 68 + (i/20) * 34, 32, 32);
x = 2 + (i % BUTTONS_PER_LINE) * 34;
DrawRect(screen, x, y, 32, 32);
}
}
SDL_SetRenderDrawColor(screen, 0xFF, 0x00, 0x00, SDL_ALPHA_OPAQUE);
for (i = 0; i < SDL_JoystickNumAxes(joystick); ++i) {
/* Draw the X/Y axis */
int x, y;
x = (((int) SDL_JoystickGetAxis(joystick, i)) + 32768);
x *= SCREEN_WIDTH;
x /= 65535;
@ -239,8 +245,8 @@ loop(void *arg)
SDL_SetRenderDrawColor(screen, 0x00, 0x00, 0xFF, SDL_ALPHA_OPAQUE);
for (i = 0; i < SDL_JoystickNumHats(joystick); ++i) {
/* Derive the new position */
int x = SCREEN_WIDTH/2;
int y = SCREEN_HEIGHT/2;
x = SCREEN_WIDTH/2;
y = SCREEN_HEIGHT/2;
const Uint8 hat_pos = SDL_JoystickGetHat(joystick, i);
if (hat_pos & SDL_HAT_UP) {