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Minor cleanup

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This commit is contained in:
Sam Lantinga 2023-07-10 09:42:12 -07:00
parent 9cd7cbe134
commit 92fd2938e7
1 changed files with 29 additions and 33 deletions
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62
src/core/linux/SDL_evdev.c
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@ -448,7 +448,7 @@ void SDL_EVDEV_Poll(void)
switch (events[i].code) {
case SYN_REPORT:
/* Send mouse axis changes together to ensure consistency and reduce event processing overhead */
if (item->relative_mouse) {
if (item->relative_mouse) {
if (item->mouse_x != 0 || item->mouse_y != 0) {
SDL_SendMouseMotion(mouse->focus, (SDL_MouseID)item->fd, item->relative_mouse, item->mouse_x, item->mouse_y);
item->mouse_x = item->mouse_y = 0;
@ -457,8 +457,8 @@ void SDL_EVDEV_Poll(void)
/* TODO: test with multiple display scenarios */
SDL_DisplayMode mode;
SDL_GetCurrentDisplayMode(0, &mode);
SDL_SendMouseMotion(mouse->focus, (SDL_MouseID)item->fd, item->relative_mouse,
(item->mouse_x - item->min_x) * mode.w / item->range_x,
SDL_SendMouseMotion(mouse->focus, (SDL_MouseID)item->fd, item->relative_mouse,
(item->mouse_x - item->min_x) * mode.w / item->range_x,
(item->mouse_y - item->min_y) * mode.h / item->range_y);
}
@ -552,6 +552,32 @@ static SDL_Scancode SDL_EVDEV_translate_keycode(int keycode)
return scancode;
}
static int SDL_EVDEV_init_mouse(SDL_evdevlist_item *item, int udev_class)
{
int ret;
struct input_absinfo abs_info;
ret = ioctl(item->fd, EVIOCGABS(ABS_X), &abs_info);
if (ret < 0) {
// no absolute mode info, continue
return 0;
}
item->min_x = abs_info.minimum;
item->max_x = abs_info.maximum;
item->range_x = abs_info.maximum - abs_info.minimum;
ret = ioctl(item->fd, EVIOCGABS(ABS_Y), &abs_info);
if (ret < 0) {
// no absolute mode info, continue
return 0;
}
item->min_y = abs_info.minimum;
item->max_y = abs_info.maximum;
item->range_y = abs_info.maximum - abs_info.minimum;
return 0;
}
static int SDL_EVDEV_init_touchscreen(SDL_evdevlist_item *item, int udev_class)
{
int ret, i;
@ -653,36 +679,6 @@ static int SDL_EVDEV_init_touchscreen(SDL_evdevlist_item *item, int udev_class)
return 0;
}
static int SDL_EVDEV_init_mouse(SDL_evdevlist_item *item, int udev_class)
{
int ret;
struct input_absinfo abs_info;
if (item->is_touchscreen) {
return 0;
}
ret = ioctl(item->fd, EVIOCGABS(ABS_X), &abs_info);
if (ret < 0) {
// no absolute mode info, continue
return 0;
}
item->min_x = abs_info.minimum;
item->max_x = abs_info.maximum;
item->range_x = abs_info.maximum - abs_info.minimum;
ret = ioctl(item->fd, EVIOCGABS(ABS_Y), &abs_info);
if (ret < 0) {
// no absolute mode info, continue
return 0;
}
item->min_y = abs_info.minimum;
item->max_y = abs_info.maximum;
item->range_y = abs_info.maximum - abs_info.minimum;
return 0;
}
static void SDL_EVDEV_destroy_touchscreen(SDL_evdevlist_item *item)
{
if (!item->is_touchscreen) {