mirror of https://github.com/GNOME/gimp.git
app: add GimpAccelLabel
Add a new GimpAccelLabel widget, which shows an accelerator label for a given GimpAction. Unlike GtkAccelLabel, GimpAccelLabel doesn't show a user-provided label in addition to that. Note that the size request of GtkAccelLabel doesn't include the accelerator part, which is desirable in some contexts. GimpAccelLabel doesn't suffer from that.
This commit is contained in:
Ell
parent
6449dd7c14
commit
2259ad5fcc
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@ -32,6 +32,8 @@ noinst_LIBRARIES = libappwidgets.a
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libappwidgets_a_sources = \
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widgets-enums.h \
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widgets-types.h \
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gimpaccellabel.c \
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gimpaccellabel.h \
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gimpaction.c \
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gimpaction.h \
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gimpaction-history.c \
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@ -0,0 +1,283 @@
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/* 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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}
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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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@ -0,0 +1,58 @@
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/* 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.h
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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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#ifndef __GIMP_ACCEL_LABEL_H__
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#define __GIMP_ACCEL_LABEL_H__
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#define GIMP_TYPE_ACCEL_LABEL (gimp_accel_label_get_type ())
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#define GIMP_ACCEL_LABEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_ACCEL_LABEL, GimpAccelLabel))
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#define GIMP_ACCEL_LABEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_ACCEL_LABEL, GimpAccelLabelClass))
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#define GIMP_IS_ACCEL_LABEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GIMP_TYPE_ACCEL_LABEL))
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#define GIMP_IS_ACCEL_LABEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_ACCEL_LABEL))
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#define GIMP_ACCEL_LABEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_ACCEL_LABEL, GimpAccelLabelClass))
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typedef struct _GimpAccelLabelPrivate GimpAccelLabelPrivate;
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typedef struct _GimpAccelLabelClass GimpAccelLabelClass;
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struct _GimpAccelLabel
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{
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GtkLabel parent_instance;
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GimpAccelLabelPrivate *priv;
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};
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struct _GimpAccelLabelClass
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{
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GtkLabelClass parent_class;
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};
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GType gimp_accel_label_get_type (void) G_GNUC_CONST;
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GtkWidget * gimp_accel_label_new (GimpAction *action);
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void gimp_accel_label_set_action (GimpAccelLabel *accel_label,
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GimpAction *action);
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GimpAction * gimp_accel_label_get_action (GimpAccelLabel *accel_label);
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#endif /* __GIMP_ACCEL_LABEL_H__ */
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@ -17,6 +17,7 @@ appwidgetsenums = custom_target('widgets-enums.c',
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libappwidgets_sources = [
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'gimpaccellabel.c',
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'gimpaction-history.c',
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'gimpaction.c',
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'gimpactioneditor.c',
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@ -165,6 +165,7 @@ typedef struct _GimpPdbDialog GimpPdbDialog;
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/* misc widgets */
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typedef struct _GimpAccelLabel GimpAccelLabel;
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typedef struct _GimpActionEditor GimpActionEditor;
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typedef struct _GimpActionView GimpActionView;
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typedef struct _GimpBlobEditor GimpBlobEditor;
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