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0b9e5e6db4
gtk and gdk have their own marshallers, for historic reasons. But there's no reason to duplicate the same code here. Eventually, we should just move all marshallers to the same place.
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2017, Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author(s): Carlos Garnacho <carlosg@gnome.org>
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*/
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/**
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* GtkEventControllerLegacy:
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*
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* `GtkEventControllerLegacy` is an event controller that provides raw
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* access to the event stream.
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*
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* It should only be used as a last resort if none of the other event
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* controllers or gestures do the job.
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*/
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#include "config.h"
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#include "gtkeventcontrollerlegacy.h"
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#include "gtkeventcontrollerprivate.h"
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#include "gtkmarshalers.h"
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#include "gdk/gdkmarshalers.h"
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#include "gtkprivate.h"
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struct _GtkEventControllerLegacy
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{
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GtkEventController parent_instance;
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};
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struct _GtkEventControllerLegacyClass
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{
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GtkEventControllerClass parent_class;
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};
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enum {
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EVENT,
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N_SIGNALS
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};
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static guint signals[N_SIGNALS] = { 0, };
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G_DEFINE_TYPE (GtkEventControllerLegacy, gtk_event_controller_legacy,
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GTK_TYPE_EVENT_CONTROLLER)
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static gboolean
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gtk_event_controller_legacy_handle_event (GtkEventController *controller,
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GdkEvent *event,
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double x,
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double y)
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{
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gboolean handled;
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g_signal_emit (controller, signals[EVENT], 0, event, &handled);
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return handled;
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}
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static void
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gtk_event_controller_legacy_class_init (GtkEventControllerLegacyClass *klass)
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{
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GtkEventControllerClass *controller_class = GTK_EVENT_CONTROLLER_CLASS (klass);
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controller_class->handle_event = gtk_event_controller_legacy_handle_event;
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/**
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* GtkEventControllerLegacy::event:
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* @controller: the object which received the signal
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* @event: the `GdkEvent` which triggered this signal
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*
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* Emitted for each GDK event delivered to @controller.
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*
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* Returns: %TRUE to stop other handlers from being invoked for the event
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* and the emission of this signal. %FALSE to propagate the event further.
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*/
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signals[EVENT] =
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g_signal_new (I_("event"),
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0, _gtk_boolean_handled_accumulator, NULL,
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_gdk_marshal_BOOLEAN__POINTER,
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G_TYPE_BOOLEAN, 1,
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GDK_TYPE_EVENT);
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g_signal_set_va_marshaller (signals[EVENT], G_TYPE_FROM_CLASS (klass),
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_gdk_marshal_BOOLEAN__POINTERv);
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}
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static void
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gtk_event_controller_legacy_init (GtkEventControllerLegacy *controller)
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{
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}
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/**
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* gtk_event_controller_legacy_new:
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*
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* Creates a new legacy event controller.
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*
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* Returns: the newly created event controller.
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*/
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GtkEventController *
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gtk_event_controller_legacy_new (void)
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{
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return g_object_new (GTK_TYPE_EVENT_CONTROLLER_LEGACY,
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NULL);
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}
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