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Fix low-res scrolling on Linux

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This commit is contained in:
Cameron Gutman 2024-01-02 21:23:35 -06:00
parent 556d9586e9
commit 1bd45ca803
1 changed files with 33 additions and 16 deletions
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49
src/platform/linux/input.cpp
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@ -847,6 +847,9 @@ namespace platf {
evdev_t mouse_dev;
evdev_t keyboard_dev;
int accumulated_vscroll_delta = 0;
int accumulated_hscroll_delta = 0;
#ifdef SUNSHINE_BUILD_X11
Display *display;
#endif
@ -1296,17 +1299,24 @@ namespace platf {
*/
void
scroll(input_t &input, int high_res_distance) {
int distance = high_res_distance / 120;
auto raw = ((input_raw_t *) input.get());
auto mouse = ((input_raw_t *) input.get())->mouse_input.get();
if (!mouse) {
x_scroll(input, distance, 4, 5);
return;
raw->accumulated_vscroll_delta += high_res_distance;
int full_ticks = raw->accumulated_vscroll_delta / 120;
auto mouse = raw->mouse_input.get();
if (mouse) {
if (full_ticks) {
libevdev_uinput_write_event(mouse, EV_REL, REL_WHEEL, full_ticks);
}
libevdev_uinput_write_event(mouse, EV_REL, REL_WHEEL_HI_RES, high_res_distance);
libevdev_uinput_write_event(mouse, EV_SYN, SYN_REPORT, 0);
}
else if (full_ticks) {
x_scroll(input, full_ticks, 4, 5);
}
libevdev_uinput_write_event(mouse, EV_REL, REL_WHEEL, distance);
libevdev_uinput_write_event(mouse, EV_REL, REL_WHEEL_HI_RES, high_res_distance);
libevdev_uinput_write_event(mouse, EV_SYN, SYN_REPORT, 0);
raw->accumulated_vscroll_delta -= full_ticks * 120;
}
/**
@ -1321,17 +1331,24 @@ namespace platf {
*/
void
hscroll(input_t &input, int high_res_distance) {
int distance = high_res_distance / 120;
auto raw = ((input_raw_t *) input.get());
auto mouse = ((input_raw_t *) input.get())->mouse_input.get();
if (!mouse) {
x_scroll(input, distance, 6, 7);
return;
raw->accumulated_hscroll_delta += high_res_distance;
int full_ticks = raw->accumulated_hscroll_delta / 120;
auto mouse = raw->mouse_input.get();
if (mouse) {
if (full_ticks) {
libevdev_uinput_write_event(mouse, EV_REL, REL_HWHEEL, full_ticks);
}
libevdev_uinput_write_event(mouse, EV_REL, REL_HWHEEL_HI_RES, high_res_distance);
libevdev_uinput_write_event(mouse, EV_SYN, SYN_REPORT, 0);
}
else if (full_ticks) {
x_scroll(input, full_ticks, 6, 7);
}
libevdev_uinput_write_event(mouse, EV_REL, REL_HWHEEL, distance);
libevdev_uinput_write_event(mouse, EV_REL, REL_HWHEEL_HI_RES, high_res_distance);
libevdev_uinput_write_event(mouse, EV_SYN, SYN_REPORT, 0);
raw->accumulated_hscroll_delta -= full_ticks * 120;
}
static keycode_t