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Enable custom event masks for native windows

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Some apps really need to set custom event masks on native child windows,
for example emacs sets the event masks with gdk, but then reads out
the raw X events via a filter, so gdk event emulation doesn't work for that.

When we get motion or button events we map back from the event position and
window to the toplevel before doing anything, because a toplevel native window
could e.g. overlap a child window or whatever.
This commit is contained in:
Alexander Larsson 2009-02-04 11:22:54 +01:00 committed by Alexander Larsson
parent fe3c410048
commit 53511cb653
1 changed files with 33 additions and 33 deletions
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66
gdk/gdkwindow.c
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@ -746,17 +746,30 @@ find_native_sibling_above (GdkWindowObject *parent,
static GdkEventMask
get_native_event_mask (GdkWindowObject *private)
{
if (GDK_WINDOW_TYPE (private->parent) == GDK_WINDOW_ROOT)
return
GDK_EXPOSURE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
GDK_FOCUS_CHANGE_MASK | GDK_STRUCTURE_MASK | GDK_PROPERTY_CHANGE_MASK |
GDK_PROXIMITY_IN_MASK | GDK_PROXIMITY_OUT_MASK | GDK_SCROLL_MASK;
if (private->window_type != GDK_WINDOW_ROOT &&
private->window_type != GDK_WINDOW_FOREIGN)
{
return
/* We need thse for all native window so we can emulate
events on children: */
GDK_EXPOSURE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
GDK_SCROLL_MASK |
/* Then do whatever the app asks to, since the app
* may be asking for weird things for native windows,
* but filter out things that override the above
* requests somehow. */
(private->event_mask &
~(GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_MOTION_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON2_MOTION_MASK |
GDK_BUTTON3_MOTION_MASK));
}
else
return GDK_EXPOSURE_MASK;
return private->event_mask;
}
/**
@ -5839,6 +5852,11 @@ gdk_window_set_events (GdkWindow *window,
_gdk_display_enable_motion_hints (display);
private->event_mask = event_mask;
if (gdk_window_has_impl (private))
GDK_WINDOW_IMPL_GET_IFACE (private->impl)->set_events (window,
get_native_event_mask (private));
}
/**
@ -8425,7 +8443,7 @@ static gboolean
proxy_button_event (GdkEvent *source_event,
gulong serial)
{
GdkWindow *toplevel_window;
GdkWindow *toplevel_window, *event_window;
GdkWindow *event_win;
GdkWindow *pointer_window;
GdkEvent *event;
@ -8437,11 +8455,14 @@ proxy_button_event (GdkEvent *source_event,
GdkWindowObject *w;
type = source_event->any.type;
toplevel_window = source_event->any.window;
event_window = source_event->any.window;
gdk_event_get_coords (source_event, &toplevel_x, &toplevel_y);
gdk_event_get_state (source_event, &state);
time_ = gdk_event_get_time (source_event);
display = gdk_drawable_get_display (source_event->any.window);
toplevel_window = convert_coords_to_toplevel (event_window,
toplevel_x, toplevel_y,
&toplevel_x, &toplevel_y);
if (type == GDK_BUTTON_PRESS &&
_gdk_display_has_pointer_grab (display, serial) == NULL)
@ -8626,27 +8647,6 @@ _gdk_windowing_got_event (GdkDisplay *display,
event_private->parent == NULL ||
GDK_WINDOW_TYPE (event_private->parent) == GDK_WINDOW_ROOT;
if (!is_toplevel &&
(event->type != GDK_ENTER_NOTIFY && event->type != GDK_LEAVE_NOTIFY))
{
GEnumValue *event_type_value, *window_type_value;
if (GDK_WINDOW_TYPE (event_private) == GDK_WINDOW_FOREIGN)
return;
event_type_value = g_enum_get_value ((GEnumClass *) g_type_class_ref (GDK_TYPE_EVENT_TYPE),
event->type);
window_type_value = g_enum_get_value ((GEnumClass *) g_type_class_ref (GDK_TYPE_WINDOW_TYPE),
event_private->window_type);
/* We should only get these events on toplevel windows */
g_warning ("got unexpected event of type %s on non-toplevel window (gtype %s, type %d)",
event_type_value->value_name,
window_type_value->value_name,
GDK_WINDOW_TYPE (event_window));
return;
}
if ((event->type == GDK_ENTER_NOTIFY ||
event->type == GDK_LEAVE_NOTIFY) &&
(event->crossing.mode == GDK_CROSSING_GRAB ||