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Fix for some mice with new raw input for linux, if you move mouse very gently vertically, it is treated as moving horizontally instead

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UnknownShadow200 2020-04-28 00:23:24 +10:00
parent a7a42f1f5d
commit 135b0fedae
1 changed files with 11 additions and 3 deletions
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14
src/Window.c
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@ -1812,15 +1812,23 @@ static cc_bool rawMouseInited, rawMouseSupported;
static int xiOpcode; static int xiOpcode;
static void HandleGenericEvent(XEvent* e) { static void HandleGenericEvent(XEvent* e) {
const double* values;
XIRawEvent* ev; XIRawEvent* ev;
double dx, dy;
if (!rawMouseSupported || e->xcookie.extension != xiOpcode) return; if (!rawMouseSupported || e->xcookie.extension != xiOpcode) return;
if (!XGetEventData(win_display, &e->xcookie)) return; if (!XGetEventData(win_display, &e->xcookie)) return;
if (e->xcookie.evtype == XI_RawMotion && Input_RawMode) { if (e->xcookie.evtype == XI_RawMotion && Input_RawMode) {
ev = (XIRawEvent*)e->xcookie.data; ev = (XIRawEvent*)e->xcookie.data;
values = ev->raw_values;
/* Raw motion events may not always have values for both axes */
dx = XIMaskIsSet(ev->valuators.mask, 0) ? *values++ : 0;
dy = XIMaskIsSet(ev->valuators.mask, 1) ? *values++ : 0;
/* Using 0.5f here makes the sensitivity about same as normal cursor movement */ /* Using 0.5f here makes the sensitivity about same as normal cursor movement */
Event_RaiseRawMove(&PointerEvents.RawMoved, Event_RaiseRawMove(&PointerEvents.RawMoved, dx * 0.5f, dy * 0.5f);
ev->raw_values[0] * 0.5f, ev->raw_values[1] * 0.5f);
} }
XFreeEventData(win_display, &e->xcookie); XFreeEventData(win_display, &e->xcookie);
} }