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app: [macOS] don't miss pointer presses

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We used to track the pressed pointer buttons through the global function
[NSEvent pressedMouseButtons]. However, it's possible that at the time a pointer
press event is delivered, the pointer button is up again. To ensure a consistent
view of the pointer press state, track it through the buttonNumber property on
delivered events.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2022-07-26 11:47:05 +02:00
parent fc5689ea44
commit 0f51cb9084
2 changed files with 15 additions and 15 deletions
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app/os_macos.go
+14 -14
View File
@@ -242,8 +242,9 @@ type window struct {
displayLink *displayLink
// redraw is a single entry channel for making sure only one
// display link redraw request is in flight.
redraw chan struct{}
cursor pointer.Cursor
redraw chan struct{}
cursor pointer.Cursor
pointerBtns pointer.Buttons
scale float32
config Config
@@ -502,20 +503,29 @@ func gio_onText(view, cstr C.CFTypeRef) {
}
//export gio_onMouse
func gio_onMouse(view, evt C.CFTypeRef, cdir C.int, cbtns C.NSUInteger, x, y, dx, dy C.CGFloat, ti C.double, mods C.NSUInteger) {
func gio_onMouse(view, evt C.CFTypeRef, cdir C.int, cbtn C.NSInteger, x, y, dx, dy C.CGFloat, ti C.double, mods C.NSUInteger) {
w := mustView(view)
t := time.Duration(float64(ti)*float64(time.Second) + .5)
xf, yf := float32(x)*w.scale, float32(y)*w.scale
dxf, dyf := float32(dx)*w.scale, float32(dy)*w.scale
pos := f32.Point{X: xf, Y: yf}
var btn pointer.Buttons
switch cbtn {
case 0:
btn = pointer.ButtonPrimary
case 1:
btn = pointer.ButtonSecondary
}
var typ pointer.Type
switch cdir {
case C.MOUSE_MOVE:
typ = pointer.Move
case C.MOUSE_UP:
typ = pointer.Release
w.pointerBtns &^= btn
case C.MOUSE_DOWN:
typ = pointer.Press
w.pointerBtns |= btn
act, ok := w.w.ActionAt(pos)
if ok && w.config.Mode != Fullscreen {
switch act {
@@ -529,21 +539,11 @@ func gio_onMouse(view, evt C.CFTypeRef, cdir C.int, cbtns C.NSUInteger, x, y, dx
default:
panic("invalid direction")
}
var btns pointer.Buttons
if cbtns&(1<<0) != 0 {
btns |= pointer.ButtonPrimary
}
if cbtns&(1<<1) != 0 {
btns |= pointer.ButtonSecondary
}
if cbtns&(1<<2) != 0 {
btns |= pointer.ButtonTertiary
}
w.w.Event(pointer.Event{
Type: typ,
Source: pointer.Mouse,
Time: t,
Buttons: btns,
Buttons: w.pointerBtns,
Position: pos,
Scroll: f32.Point{X: dxf, Y: dyf},
Modifiers: convertMods(mods),