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Bug 658767 - Drag and Drop NSEvent capture is racy

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Create a synthetic NSMouseLeftDown to store in the GtkQuartzDragSourceInfo
rather than relying on the NSWindow's latest event being the right one (or the
right kind).
This commit is contained in:
John Ralls 2011-09-24 18:19:56 -07:00
parent 4e64f6012f
commit d08d4507c9
1 changed files with 34 additions and 7 deletions
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41
gtk/gtkdnd-quartz.c
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@ -1127,13 +1127,44 @@ gtk_drag_begin_internal (GtkWidget *widget,
{
GtkDragSourceInfo *info;
GdkDragContext *context;
NSWindow *nswindow;
NSWindow *nswindow = get_toplevel_nswindow (widget);
NSPoint point = {0, 0};
gdouble x, y;
double time = (double)g_get_real_time ();
NSEvent *nsevent;
NSTimeInterval nstime;
context = gdk_drag_begin (NULL, NULL);
if (event)
{
if (gdk_event_get_coords (event, &x, &y))
{
point.x = x;
point.y = y;
}
time = (double)gdk_event_get_time (event);
}
nstime = [[NSDate dateWithTimeIntervalSince1970: time / 1000] timeIntervalSinceReferenceDate];
nsevent = [NSEvent mouseEventWithType: NSLeftMouseDown
location: point
modifierFlags: 0
timestamp: nstime
windowNumber: [nswindow windowNumber]
context: [nswindow graphicsContext]
eventNumber: 0
clickCount: 1
pressure: 0.0 ];
GdkWindow *window = [[nswindow contentView] gdkWindow];
g_return_val_if_fail(nsevent != NULL, NULL);
context = gdk_drag_begin (window, NULL);
g_return_val_if_fail( context != NULL, NULL);
context->is_source = TRUE;
info = gtk_drag_get_source_info (context, TRUE);
info->nsevent = nsevent;
[info->nsevent retain];
info->source_widget = g_object_ref (widget);
info->widget = g_object_ref (widget);
info->target_list = target_list;
@ -1200,10 +1231,6 @@ gtk_drag_begin_internal (GtkWidget *widget,
}
}
nswindow = get_toplevel_nswindow (widget);
info->nsevent = [nswindow currentEvent];
[info->nsevent retain];
/* drag will begin in an idle handler to avoid nested run loops */
g_idle_add_full (G_PRIORITY_HIGH_IDLE, gtk_drag_begin_idle, context, NULL);