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Share crossing and focus change event code

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Make a single function that can emit both
enter/leave and focus change events.
This commit is contained in:
Matthias Clasen 2019-03-06 22:25:31 -05:00
parent 06f790d663
commit cdcd2bb073
1 changed files with 67 additions and 39 deletions
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106
gtk/gtkmain.c
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@ -1407,61 +1407,65 @@ static void
synth_crossing (GtkWidget *widget,
GtkWidget *toplevel,
gboolean enter,
GtkWidget *other_widget,
GtkWidget *target,
GtkWidget *related_target,
GdkEvent *source,
GdkNotifyType notify_type,
GdkCrossingMode crossing_mode)
{
GdkEvent *event;
gdouble x, y;
GtkStateFlags flags;
event = gdk_event_new (enter ? GDK_ENTER_NOTIFY : GDK_LEAVE_NOTIFY);
gdk_event_set_target (event, G_OBJECT (widget));
if (gdk_event_get_event_type (source) == GDK_FOCUS_CHANGE)
{
event = gdk_event_new (GDK_FOCUS_CHANGE);
event->focus_change.in = enter;
event->focus_change.mode = crossing_mode;
event->focus_change.detail = notify_type;
flags = GTK_STATE_FLAG_FOCUSED;
if (!GTK_IS_WINDOW (toplevel) || gtk_window_get_focus_visible (GTK_WINDOW (toplevel)))
flags |= GTK_STATE_FLAG_FOCUS_VISIBLE;
}
else
{
gdouble x, y;
event = gdk_event_new (enter ? GDK_ENTER_NOTIFY : GDK_LEAVE_NOTIFY);
if (related_target)
event->crossing.child_surface = g_object_ref (gtk_widget_get_surface (related_target));
gdk_event_get_coords (source, &x, &y);
event->crossing.x = x;
event->crossing.y = y;
event->crossing.mode = crossing_mode;
event->crossing.detail = notify_type;
flags = GTK_STATE_FLAG_PRELIGHT;
}
gdk_event_set_target (event, G_OBJECT (target));
gdk_event_set_related_target (event, G_OBJECT (related_target));
gdk_event_set_device (event, gdk_event_get_device (source));
gdk_event_set_source_device (event, gdk_event_get_source_device (source));
event->any.surface = g_object_ref (gtk_widget_get_surface (toplevel));
if (other_widget)
event->crossing.child_surface = g_object_ref (gtk_widget_get_surface (other_widget));
if (enter)
gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_PRELIGHT, FALSE);
gtk_widget_set_state_flags (widget, flags, FALSE);
else
gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_PRELIGHT);
gdk_event_get_coords (source, &x, &y);
event->crossing.x = x;
event->crossing.y = y;
event->crossing.mode = crossing_mode;
event->crossing.detail = notify_type;
gtk_widget_unset_state_flags (widget, flags);
if (gdk_event_get_event_type (source) == GDK_FOCUS_CHANGE)
{
if (notify_type == GDK_NOTIFY_ANCESTOR ||
notify_type == GDK_NOTIFY_INFERIOR ||
notify_type == GDK_NOTIFY_NONLINEAR)
gtk_widget_set_has_focus (widget, enter);
}
gtk_widget_event (widget, event);
g_object_unref (event);
}
static GtkWidget *
update_pointer_focus_state (GtkWindow *toplevel,
GdkEvent *event,
GtkWidget *new_target)
{
GtkWidget *old_target = NULL;
GdkEventSequence *sequence;
GdkDevice *device;
gdouble x, y;
device = gdk_event_get_device (event);
sequence = gdk_event_get_event_sequence (event);
old_target = gtk_window_lookup_pointer_focus_widget (toplevel, device, sequence);
if (old_target == new_target)
return old_target;
gdk_event_get_coords (event, &x, &y);
gtk_window_update_pointer_focus (toplevel, device, sequence,
new_target, x, y);
return old_target;
}
static void
gtk_synthesize_crossing_events (GtkWindow *toplevel,
GtkWidget *old_target,
@ -1498,7 +1502,7 @@ gtk_synthesize_crossing_events (GtkWindow *toplevel,
leave_type : get_virtual_notify_type (leave_type);
synth_crossing (widget, GTK_WIDGET (toplevel), FALSE,
new_target, event, notify_type, mode);
old_target, new_target, event, notify_type, mode);
widget = gtk_widget_get_parent (widget);
}
}
@ -1523,11 +1527,35 @@ gtk_synthesize_crossing_events (GtkWindow *toplevel,
enter_type : get_virtual_notify_type (enter_type);
synth_crossing (widget, GTK_WIDGET (toplevel), TRUE,
old_target, event, notify_type, mode);
new_target, old_target, event, notify_type, mode);
}
}
}
static GtkWidget *
update_pointer_focus_state (GtkWindow *toplevel,
GdkEvent *event,
GtkWidget *new_target)
{
GtkWidget *old_target = NULL;
GdkEventSequence *sequence;
GdkDevice *device;
gdouble x, y;
device = gdk_event_get_device (event);
sequence = gdk_event_get_event_sequence (event);
old_target = gtk_window_lookup_pointer_focus_widget (toplevel, device, sequence);
if (old_target == new_target)
return old_target;
gdk_event_get_coords (event, &x, &y);
gtk_window_update_pointer_focus (toplevel, device, sequence,
new_target, x, y);
return old_target;
}
static gboolean
is_pointing_event (GdkEvent *event)
{