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GdkWin32: Correct generation of crossing events when holding an implicit grab

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This is a backport of commit 91f20016 to gtk-3-24
This commit is contained in:
Luca Bacci
2023-02-10 21:32:29 +01:00
parent 4fcf3b3a7d
commit 783af2e3bf
1 changed files with 9 additions and 34 deletions
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43
gdk/win32/gdkevents-win32.c
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@ -2739,60 +2739,35 @@ gdk_event_translate (MSG *msg,
pen_touch_input = FALSE;
new_window = window;
g_set_object (&window, find_window_for_mouse_event (window, msg));
if (pointer_grab != NULL)
{
POINT pt;
pt = msg->pt;
new_window = NULL;
hwnd = WindowFromPoint (pt);
if (hwnd != NULL)
{
POINT client_pt = pt;
ScreenToClient (hwnd, &client_pt);
GetClientRect (hwnd, &rect);
if (PtInRect (&rect, client_pt))
new_window = gdk_win32_handle_table_lookup (hwnd);
}
if (!pointer_grab->owner_events &&
new_window != NULL &&
new_window != pointer_grab->native_window)
new_window = NULL;
}
if (mouse_window != new_window)
if (mouse_window != window)
{
GDK_NOTE (EVENTS, g_print (" mouse_window %p -> %p",
mouse_window ? GDK_WINDOW_HWND (mouse_window) : NULL,
new_window ? GDK_WINDOW_HWND (new_window) : NULL));
window ? GDK_WINDOW_HWND (window) : NULL));
synthesize_crossing_events (display,
device_manager_win32->system_pointer,
mouse_window, new_window,
mouse_window, window,
GDK_CROSSING_NORMAL,
&msg->pt,
0, /* TODO: Set right mask */
_gdk_win32_get_next_tick (msg->time),
FALSE);
g_set_object (&mouse_window, new_window);
g_set_object (&mouse_window, window);
mouse_window_ignored_leave = NULL;
if (new_window != NULL)
track_mouse_event (TME_LEAVE, GDK_WINDOW_HWND (new_window));
if (window != NULL)
track_mouse_event (TME_LEAVE, GDK_WINDOW_HWND (window));
}
else if (new_window != NULL &&
new_window == mouse_window_ignored_leave)
else if (window != NULL && window == mouse_window_ignored_leave)
{
/* If we ignored a leave event for this window and we're now getting
input again we need to re-arm the mouse tracking, as that was
cancelled by the mouseleave. */
mouse_window_ignored_leave = NULL;
track_mouse_event (TME_LEAVE, GDK_WINDOW_HWND (new_window));
track_mouse_event (TME_LEAVE, GDK_WINDOW_HWND (window));
}
g_set_object (&window, find_window_for_mouse_event (window, msg));
impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
/* If we haven't moved, don't create any GDK event. Windows