mirror of https://github.com/GNOME/gimp.git
286 lines
8.1 KiB
C
286 lines
8.1 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpaccellabel.c
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* Copyright (C) 2020 Ell
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpbase/gimpbase.h"
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#include "widgets-types.h"
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#include "gimpaction.h"
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#include "gimpaccellabel.h"
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enum
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{
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PROP_0,
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PROP_ACTION
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};
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struct _GimpAccelLabelPrivate
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{
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GimpAction *action;
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};
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/* local function prototypes */
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static void gimp_accel_label_dispose (GObject *object);
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static void gimp_accel_label_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_accel_label_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void gimp_accel_label_accel_changed (GtkAccelGroup *accel_group,
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guint keyval,
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GdkModifierType modifier,
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GClosure *accel_closure,
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GimpAccelLabel *accel_label);
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static void gimp_accel_label_update (GimpAccelLabel *accel_label);
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G_DEFINE_TYPE_WITH_PRIVATE (GimpAccelLabel, gimp_accel_label, GTK_TYPE_LABEL)
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#define parent_class gimp_accel_label_parent_class
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/* private functions */
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static void
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gimp_accel_label_class_init (GimpAccelLabelClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->dispose = gimp_accel_label_dispose;
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object_class->get_property = gimp_accel_label_get_property;
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object_class->set_property = gimp_accel_label_set_property;
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g_object_class_install_property (object_class, PROP_ACTION,
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g_param_spec_object ("action",
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NULL, NULL,
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GIMP_TYPE_ACTION,
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GIMP_PARAM_READWRITE));
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}
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static void
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gimp_accel_label_init (GimpAccelLabel *accel_label)
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{
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accel_label->priv = gimp_accel_label_get_instance_private (accel_label);
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}
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static void
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gimp_accel_label_dispose (GObject *object)
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{
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GimpAccelLabel *accel_label = GIMP_ACCEL_LABEL (object);
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gimp_accel_label_set_action (accel_label, NULL);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gimp_accel_label_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpAccelLabel *accel_label = GIMP_ACCEL_LABEL (object);
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switch (property_id)
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{
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case PROP_ACTION:
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gimp_accel_label_set_action (accel_label, g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_accel_label_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpAccelLabel *accel_label = GIMP_ACCEL_LABEL (object);
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switch (property_id)
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{
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case PROP_ACTION:
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g_value_set_object (value, accel_label->priv->action);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_accel_label_accel_changed (GtkAccelGroup *accel_group,
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guint keyval,
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GdkModifierType modifier,
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GClosure *accel_closure,
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GimpAccelLabel *accel_label)
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{
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if (accel_closure ==
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gimp_action_get_accel_closure (accel_label->priv->action))
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{
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gimp_accel_label_update (accel_label);
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}
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}
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static gboolean
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gimp_accel_label_update_accel_find_func (GtkAccelKey *key,
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GClosure *closure,
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gpointer data)
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{
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return (GClosure *) data == closure;
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}
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static void
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gimp_accel_label_update (GimpAccelLabel *accel_label)
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{
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GClosure *accel_closure;
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GtkAccelGroup *accel_group;
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GtkAccelKey *accel_key;
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gtk_label_set_label (GTK_LABEL (accel_label), NULL);
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if (! accel_label->priv->action)
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return;
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accel_closure = gimp_action_get_accel_closure (accel_label->priv->action);
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if (! accel_closure)
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return;
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accel_group = gtk_accel_group_from_accel_closure (accel_closure);
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if (! accel_group)
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return;
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accel_key = gtk_accel_group_find (accel_group,
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gimp_accel_label_update_accel_find_func,
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accel_closure);
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if (accel_key &&
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accel_key->accel_key &&
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(accel_key->accel_flags & GTK_ACCEL_VISIBLE))
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{
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gchar *label;
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label = gtk_accelerator_get_label (accel_key->accel_key,
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accel_key->accel_mods);
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gtk_label_set_label (GTK_LABEL (accel_label), label);
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g_free (label);
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}
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}
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/* public functions */
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GtkWidget *
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gimp_accel_label_new (GimpAction *action)
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{
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g_return_val_if_fail (action == NULL || GIMP_IS_ACTION (action), NULL);
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return g_object_new (GIMP_TYPE_ACCEL_LABEL,
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"action", action,
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NULL);
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}
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void
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gimp_accel_label_set_action (GimpAccelLabel *accel_label,
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GimpAction *action)
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{
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g_return_if_fail (GIMP_IS_ACCEL_LABEL (accel_label));
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g_return_if_fail (action == NULL || GIMP_IS_ACTION (action));
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if (action != accel_label->priv->action)
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{
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if (accel_label->priv->action)
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{
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GClosure *accel_closure;
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accel_closure = gimp_action_get_accel_closure (
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accel_label->priv->action);
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if (accel_closure)
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{
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GtkAccelGroup *accel_group;
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accel_group = gtk_accel_group_from_accel_closure (accel_closure);
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g_signal_handlers_disconnect_by_func (
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accel_group,
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gimp_accel_label_accel_changed,
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accel_label);
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}
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}
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g_set_object (&accel_label->priv->action, action);
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if (accel_label->priv->action)
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{
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GClosure *accel_closure;
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accel_closure = gimp_action_get_accel_closure (
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accel_label->priv->action);
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if (accel_closure)
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{
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GtkAccelGroup *accel_group;
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accel_group = gtk_accel_group_from_accel_closure (accel_closure);
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g_signal_connect (accel_group, "accel-changed",
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G_CALLBACK (gimp_accel_label_accel_changed),
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accel_label);
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}
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}
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gimp_accel_label_update (accel_label);
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g_object_notify (G_OBJECT (accel_label), "action");
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}
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}
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GimpAction *
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gimp_accel_label_get_action (GimpAccelLabel *accel_label)
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{
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g_return_val_if_fail (GIMP_IS_ACCEL_LABEL (accel_label), NULL);
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return accel_label->priv->action;
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}
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