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macos: Avoid repeatedly sending events back to macOS

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in the old approach it was possible that one NSEvent was
sent to the underlying NSApp multiple times. This resulted in
those events being forwarded to our (glib) event queue again.

The visual result was that no screen updates were done. Under the hood
the application was very busy with passing events around.

By popping the events off of our event queue, we make sure they're sent
only once.
This commit is contained in:
Arjan Molenaar 2024-04-20 16:40:02 +02:00
parent 59db0ca328
commit f81038e99a
4 changed files with 13 additions and 7 deletions
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2
gdk/macos/gdkmacosdisplay-private.h
View File

@ -161,7 +161,7 @@ void _gdk_macos_display_send_event (GdkMacosDisp
void _gdk_macos_display_warp_pointer (GdkMacosDisplay *self,
int x,
int y);
NSEvent *_gdk_macos_display_get_nsevent (GdkEvent *event);
NSEvent *_gdk_macos_display_pop_nsevent (GdkEvent *event);
NSEvent *_gdk_macos_display_get_last_nsevent (void);
GdkDrag *_gdk_macos_display_find_drag (GdkMacosDisplay *self,
NSInteger sequence_number);

14
gdk/macos/gdkmacosdisplay.c
View File

@ -992,16 +992,22 @@ _gdk_macos_display_warp_pointer (GdkMacosDisplay *self,
}
NSEvent *
_gdk_macos_display_get_nsevent (GdkEvent *event)
_gdk_macos_display_pop_nsevent (GdkEvent *event)
{
for (const GList *iter = event_map.head; iter; iter = iter->next)
for (GList *iter = event_map.head; iter; iter = iter->next)
{
const GdkToNSEventMap *map = iter->data;
GdkToNSEventMap *map = iter->data;
if (map->gdk_event->event_type == event->event_type &&
map->gdk_event->device == event->device &&
map->gdk_event->time == event->time)
return map->nsevent;
{
NSEvent *nsevent = map->nsevent;
g_queue_unlink (&event_map, iter);
gdk_event_unref (map->gdk_event);
g_free (map);
return nsevent;
}
}
return NULL;

2
gdk/macos/gdkmacoseventsource.c
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@ -738,7 +738,7 @@ gdk_macos_event_source_dispatch (GSource *source,
if (!handled)
{
NSEvent *nsevent = _gdk_macos_display_get_nsevent (event);
NSEvent *nsevent = _gdk_macos_display_pop_nsevent (event);
if (nsevent != NULL)
[NSApp sendEvent: nsevent];
}

2
gtk/gtkimcontextquartz.c
View File

@ -185,7 +185,7 @@ quartz_filter_keypress (GtkIMContext *context,
keyval = gdk_key_event_get_keyval (event);
keycode = gdk_key_event_get_keycode (event);
NSEvent *nsevent = _gdk_macos_display_get_nsevent ((GdkEvent *)event);
NSEvent *nsevent = _gdk_macos_display_pop_nsevent ((GdkEvent *)event);
if (!nsevent)
{