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fix(mac): preserve mouse event numbers when dragging on macOS 27

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ZeroSegFault 2026-07-21 11:20:00 +10:00 committed by Nick Bolton
parent 831f9cb044
commit 0d7414d89a
1 changed files with 11 additions and 2 deletions
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13
src/lib/platform/OSXScreen.mm
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@ -61,6 +61,12 @@ enum
static const double kCarbonLoopWaitTimeout = 10.0;
// Synthetic mouse button and drag events require event numbers on macOS 27 and later.
static inline bool needsEventNumber()
{
return NSProcessInfo.processInfo.operatingSystemVersion.majorVersion >= 27;
}
int getSecureInputEventPID();
std::string getProcessName(int pid);
@ -463,6 +469,10 @@ void OSXScreen::postMouseEvent(CGPoint &pos) const
CGEventRef event = CGEventCreateMouseEvent(nullptr, type, pos, static_cast<CGMouseButton>(button));
if (button != -1 && needsEventNumber()) {
CGEventSetIntegerValueField(event, kCGMouseEventNumber, m_mouseEventNumber);
}
// Dragging events also need the click state
CGEventSetIntegerValueField(event, kCGMouseEventClickState, m_clickState);
@ -547,8 +557,7 @@ void OSXScreen::fakeMouseButton(ButtonID id, bool press)
CGEventRef event = CGEventCreateMouseEvent(nullptr, type, pos, static_cast<CGMouseButton>(index));
if (NSProcessInfo.processInfo.operatingSystemVersion.majorVersion >= 27) {
// Apps that use Carbon APIs on macOS 27 requires an incrementing event number for each synthetic click
if (needsEventNumber()) {
if (press) {
if (m_mouseEventNumber == 0) {
// For some unknown reason, the first click event number must be unique and greater (but in the same ballpark)