/* GIMP - The GNU Image Manipulation Program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * gimpaccellabel.c * Copyright (C) 2020 Ell * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "config.h" #include #include #include "libgimpbase/gimpbase.h" #include "widgets-types.h" #include "gimpaction.h" #include "gimpaccellabel.h" enum { PROP_0, PROP_ACTION }; struct _GimpAccelLabelPrivate { GimpAction *action; }; /* local function prototypes */ static void gimp_accel_label_dispose (GObject *object); static void gimp_accel_label_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec); static void gimp_accel_label_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec); static void gimp_accel_label_accel_changed (GtkAccelGroup *accel_group, guint keyval, GdkModifierType modifier, GClosure *accel_closure, GimpAccelLabel *accel_label); static void gimp_accel_label_update (GimpAccelLabel *accel_label); G_DEFINE_TYPE_WITH_PRIVATE (GimpAccelLabel, gimp_accel_label, GTK_TYPE_LABEL) #define parent_class gimp_accel_label_parent_class /* private functions */ static void gimp_accel_label_class_init (GimpAccelLabelClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->dispose = gimp_accel_label_dispose; object_class->get_property = gimp_accel_label_get_property; object_class->set_property = gimp_accel_label_set_property; g_object_class_install_property (object_class, PROP_ACTION, g_param_spec_object ("action", NULL, NULL, GIMP_TYPE_ACTION, GIMP_PARAM_READWRITE)); } static void gimp_accel_label_init (GimpAccelLabel *accel_label) { accel_label->priv = gimp_accel_label_get_instance_private (accel_label); } static void gimp_accel_label_dispose (GObject *object) { GimpAccelLabel *accel_label = GIMP_ACCEL_LABEL (object); gimp_accel_label_set_action (accel_label, NULL); G_OBJECT_CLASS (parent_class)->dispose (object); } static void gimp_accel_label_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { GimpAccelLabel *accel_label = GIMP_ACCEL_LABEL (object); switch (property_id) { case PROP_ACTION: gimp_accel_label_set_action (accel_label, g_value_get_object (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void gimp_accel_label_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { GimpAccelLabel *accel_label = GIMP_ACCEL_LABEL (object); switch (property_id) { case PROP_ACTION: g_value_set_object (value, accel_label->priv->action); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void gimp_accel_label_accel_changed (GtkAccelGroup *accel_group, guint keyval, GdkModifierType modifier, GClosure *accel_closure, GimpAccelLabel *accel_label) { if (accel_closure == gimp_action_get_accel_closure (accel_label->priv->action)) { gimp_accel_label_update (accel_label); } } static gboolean gimp_accel_label_update_accel_find_func (GtkAccelKey *key, GClosure *closure, gpointer data) { return (GClosure *) data == closure; } static void gimp_accel_label_update (GimpAccelLabel *accel_label) { GClosure *accel_closure; GtkAccelGroup *accel_group; GtkAccelKey *accel_key; gtk_label_set_label (GTK_LABEL (accel_label), NULL); if (! accel_label->priv->action) return; accel_closure = gimp_action_get_accel_closure (accel_label->priv->action); if (! accel_closure) return; accel_group = gtk_accel_group_from_accel_closure (accel_closure); if (! accel_group) return; accel_key = gtk_accel_group_find (accel_group, gimp_accel_label_update_accel_find_func, accel_closure); if (accel_key && accel_key->accel_key && (accel_key->accel_flags & GTK_ACCEL_VISIBLE)) { gchar *label; label = gtk_accelerator_get_label (accel_key->accel_key, accel_key->accel_mods); gtk_label_set_label (GTK_LABEL (accel_label), label); g_free (label); } } /* public functions */ GtkWidget * gimp_accel_label_new (GimpAction *action) { g_return_val_if_fail (action == NULL || GIMP_IS_ACTION (action), NULL); return g_object_new (GIMP_TYPE_ACCEL_LABEL, "action", action, NULL); } void gimp_accel_label_set_action (GimpAccelLabel *accel_label, GimpAction *action) { g_return_if_fail (GIMP_IS_ACCEL_LABEL (accel_label)); g_return_if_fail (action == NULL || GIMP_IS_ACTION (action)); if (action != accel_label->priv->action) { if (accel_label->priv->action) { GClosure *accel_closure; accel_closure = gimp_action_get_accel_closure ( accel_label->priv->action); if (accel_closure) { GtkAccelGroup *accel_group; accel_group = gtk_accel_group_from_accel_closure (accel_closure); g_signal_handlers_disconnect_by_func ( accel_group, gimp_accel_label_accel_changed, accel_label); } } g_set_object (&accel_label->priv->action, action); if (accel_label->priv->action) { GClosure *accel_closure; accel_closure = gimp_action_get_accel_closure ( accel_label->priv->action); if (accel_closure) { GtkAccelGroup *accel_group; accel_group = gtk_accel_group_from_accel_closure (accel_closure); g_signal_connect (accel_group, "accel-changed", G_CALLBACK (gimp_accel_label_accel_changed), accel_label); } } gimp_accel_label_update (accel_label); g_object_notify (G_OBJECT (accel_label), "action"); } } GimpAction * gimp_accel_label_get_action (GimpAccelLabel *accel_label) { g_return_val_if_fail (GIMP_IS_ACCEL_LABEL (accel_label), NULL); return accel_label->priv->action; }