251 lines
8.9 KiB
C
251 lines
8.9 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
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*
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* pikapropgui-focus-blur.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 "libpikamath/pikamath.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "propgui-types.h"
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#include "core/pikacontext.h"
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#include "pikapropgui.h"
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#include "pikapropgui-generic.h"
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#include "pikapropgui-focus-blur.h"
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#include "pika-intl.h"
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static gint
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find_param (GParamSpec **param_specs,
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guint n_param_specs,
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const gchar *name)
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{
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gint i;
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for (i = 0; i < n_param_specs; i++)
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{
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if (! strcmp (param_specs[i]->name, name))
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break;
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}
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return i;
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}
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static void
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focus_callback (GObject *config,
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GeglRectangle *area,
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PikaLimitType type,
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gdouble x,
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gdouble y,
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gdouble radius,
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gdouble aspect_ratio,
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gdouble angle,
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gdouble inner_limit,
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gdouble midpoint)
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{
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g_object_set_data_full (G_OBJECT (config), "area",
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g_memdup2 (area, sizeof (GeglRectangle)),
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(GDestroyNotify) g_free);
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g_object_set (config,
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"shape", type,
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"x", x / area->width,
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"y", y / area->height,
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"radius", 2.0 * radius / area->width,
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"focus", inner_limit,
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"midpoint", midpoint,
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"aspect-ratio", aspect_ratio,
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"rotation", fmod (
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fmod (angle * 180.0 / G_PI + 180.0, 360.0) +
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360.0,
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360.0) - 180.0,
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NULL);
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}
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static void
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config_notify (GObject *config,
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const GParamSpec *pspec,
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gpointer set_data)
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{
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PikaControllerFocusCallback set_func;
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GeglRectangle *area;
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PikaLimitType shape;
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gdouble radius;
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gdouble focus;
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gdouble midpoint;
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gdouble x, y;
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gdouble aspect_ratio;
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gdouble rotation;
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set_func = g_object_get_data (G_OBJECT (config), "set-func");
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area = g_object_get_data (G_OBJECT (config), "area");
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g_object_get (config,
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"shape", &shape,
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"radius", &radius,
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"focus", &focus,
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"midpoint", &midpoint,
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"x", &x,
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"y", &y,
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"aspect-ratio", &aspect_ratio,
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"rotation", &rotation,
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NULL);
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set_func (set_data, area,
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shape,
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x * area->width,
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y * area->height,
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radius * area->width / 2.0,
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aspect_ratio,
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rotation / 180.0 * G_PI,
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focus,
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midpoint);
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}
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GtkWidget *
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_pika_prop_gui_new_focus_blur (GObject *config,
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GParamSpec **param_specs,
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guint n_param_specs,
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GeglRectangle *area,
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PikaContext *context,
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PikaCreatePickerFunc create_picker_func,
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PikaCreateControllerFunc create_controller_func,
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gpointer creator)
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{
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GtkWidget *vbox;
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gint first_geometry_param;
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gint last_geometry_param;
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g_return_val_if_fail (G_IS_OBJECT (config), NULL);
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g_return_val_if_fail (param_specs != NULL, NULL);
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g_return_val_if_fail (n_param_specs > 0, NULL);
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g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
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first_geometry_param = find_param (param_specs, n_param_specs,
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"shape") + 1;
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last_geometry_param = find_param (param_specs, n_param_specs,
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"high-quality");
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if (last_geometry_param <= first_geometry_param)
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{
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vbox = _pika_prop_gui_new_generic (config,
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param_specs, n_param_specs,
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area, context,
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create_picker_func,
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create_controller_func,
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creator);
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}
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else
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{
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GtkWidget *widget;
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GtkWidget *expander;
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GtkWidget *frame;
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const gchar *label;
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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widget = pika_prop_widget_new (config,
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"shape",
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area, context,
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create_picker_func,
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create_controller_func,
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creator,
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&label);
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gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
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gtk_widget_show (widget);
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widget = _pika_prop_gui_new_generic (config,
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param_specs,
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first_geometry_param - 1,
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area, context,
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create_picker_func,
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create_controller_func,
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creator);
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gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
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gtk_widget_show (widget);
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widget = _pika_prop_gui_new_generic (config,
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param_specs + last_geometry_param,
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n_param_specs - last_geometry_param,
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area, context,
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create_picker_func,
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create_controller_func,
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creator);
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gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
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gtk_widget_show (widget);
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expander = gtk_expander_new (_("Geometry Options"));
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gtk_box_pack_start (GTK_BOX (vbox), expander, FALSE, FALSE, 0);
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gtk_widget_show (expander);
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frame = pika_frame_new (NULL);
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gtk_container_add (GTK_CONTAINER (expander), frame);
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gtk_widget_show (frame);
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widget = _pika_prop_gui_new_generic (config,
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param_specs + first_geometry_param,
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last_geometry_param -
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first_geometry_param,
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area, context,
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create_picker_func,
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create_controller_func,
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creator);
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gtk_container_add (GTK_CONTAINER (frame), widget);
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gtk_widget_show (widget);
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}
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if (create_controller_func)
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{
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GCallback set_func;
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gpointer set_data;
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set_func = create_controller_func (creator,
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PIKA_CONTROLLER_TYPE_FOCUS,
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_("Focus Blur: "),
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(GCallback) focus_callback,
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config,
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&set_data);
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g_object_set_data (G_OBJECT (config), "set-func", set_func);
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g_object_set_data_full (G_OBJECT (config), "area",
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g_memdup2 (area, sizeof (GeglRectangle)),
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(GDestroyNotify) g_free);
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config_notify (config, NULL, set_data);
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g_signal_connect (config, "notify",
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G_CALLBACK (config_notify),
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set_data);
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}
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return vbox;
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}
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