321 lines
12 KiB
C
321 lines
12 KiB
C
/* 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 Spencer Kimball and Peter Mattis
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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 "libpikawidgets/pikawidgets.h"
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#include "tools-types.h"
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#include "core/pika.h"
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#include "core/pikaimage.h"
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#include "core/pikaitem.h"
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#include "paint/pikacloneoptions.h"
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#include "widgets/pikaviewablebox.h"
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#include "widgets/pikawidgets-utils.h"
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#include "pikacloneoptions-gui.h"
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#include "pikapaintoptions-gui.h"
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#include "pika-intl.h"
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static gboolean pika_clone_options_sync_source (GBinding *binding,
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const GValue *source_value,
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GValue *target_value,
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gpointer user_data);
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static void pika_clone_options_gui_drawables_changed (PikaImage *image,
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PikaSourceOptions *options);
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static void pika_clone_options_gui_src_changed (PikaSourceOptions *options,
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GParamSpec *pspec,
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GtkWidget *label);
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static void pika_clone_options_gui_context_image_changed (PikaContext *context,
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PikaImage *image,
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PikaSourceOptions *options);
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static gboolean pika_clone_options_gui_update_src_label (PikaSourceOptions *options);
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static gboolean
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pika_clone_options_sync_source (GBinding *binding,
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const GValue *source_value,
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GValue *target_value,
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gpointer user_data)
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{
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PikaCloneType type = g_value_get_enum (source_value);
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g_value_set_boolean (target_value,
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type == GPOINTER_TO_INT (user_data));
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return TRUE;
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}
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static void
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pika_clone_options_gui_drawables_changed (PikaImage *image,
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PikaSourceOptions *options)
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{
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GList *drawables;
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GtkWidget *button;
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drawables = pika_image_get_selected_drawables (image);
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button = g_object_get_data (G_OBJECT (options), "sample-merged-checkbox");
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gtk_widget_set_sensitive (button, (g_list_length (drawables) < 2));
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g_list_free (drawables);
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/* In case this was called several times in a row by threads. */
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g_idle_remove_by_data (options);
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g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
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(GSourceFunc) pika_clone_options_gui_update_src_label,
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g_object_ref (options), (GDestroyNotify) g_object_unref);
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}
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static void
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pika_clone_options_gui_src_changed (PikaSourceOptions *options,
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GParamSpec *pspec,
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GtkWidget *label)
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{
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/* In case this was called several times in a row by threads. */
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g_idle_remove_by_data (options);
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/* Why we need absolutely to run this in a thread is that it updates
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* the GUI. And sometimes this src_changed callback may be called by
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* paint threads (see pikapainttool-paint.c). This may cause crashes
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* as in recent GTK, all GTK/GDK calls should be main from the main
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* thread. Idle functions are ensured to be run in this main thread.
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*/
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g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
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(GSourceFunc) pika_clone_options_gui_update_src_label,
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g_object_ref (options), (GDestroyNotify) g_object_unref);
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}
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static void
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pika_clone_options_gui_context_image_changed (PikaContext *context,
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PikaImage *image,
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PikaSourceOptions *options)
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{
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PikaImage *prev_image;
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GtkWidget *button;
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button = g_object_get_data (G_OBJECT (options), "sample-merged-checkbox");
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prev_image = g_object_get_data (G_OBJECT (button), "pika-clone-options-gui-image");
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if (image != prev_image)
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{
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if (prev_image)
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g_signal_handlers_disconnect_by_func (prev_image,
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G_CALLBACK (pika_clone_options_gui_drawables_changed),
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options);
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if (image)
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{
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g_signal_connect_object (image, "selected-channels-changed",
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G_CALLBACK (pika_clone_options_gui_drawables_changed),
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options, 0);
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g_signal_connect_object (image, "selected-layers-changed",
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G_CALLBACK (pika_clone_options_gui_drawables_changed),
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options, 0);
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pika_clone_options_gui_drawables_changed (image, options);
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}
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else
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{
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gtk_widget_set_sensitive (button, TRUE);
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}
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g_object_set_data (G_OBJECT (button), "pika-clone-options-gui-image", image);
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}
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}
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static gboolean
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pika_clone_options_gui_update_src_label (PikaSourceOptions *options)
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{
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GtkWidget *label;
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gchar *markup = NULL;
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label = g_object_get_data (G_OBJECT (options), "src-label");
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if (options->src_drawables == NULL)
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{
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markup = g_strdup_printf ("<i>%s</i>", _("No source selected"));
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}
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else
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{
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PikaImage *image;
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GList *drawables;
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gchar *str = NULL;
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gboolean sample_merged;
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image = pika_context_get_image (pika_get_user_context (PIKA_CONTEXT (options)->pika));
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drawables = pika_image_get_selected_drawables (image);
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sample_merged = options->sample_merged && g_list_length (drawables) == 1;
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if (g_list_length (drawables) > 1)
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{
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str = g_strdup_printf (ngettext ("Source: %d item to itself",
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"Source: %d items to themselves",
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g_list_length (drawables)),
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g_list_length (drawables));
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}
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else
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{
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PikaImage *src_image = NULL;
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src_image = pika_item_get_image (options->src_drawables->data);
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if (sample_merged)
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{
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if (image == src_image)
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str = g_strdup (_("All composited visible layers"));
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else
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str = g_strdup_printf (_("All composited visible layers from '%s'"),
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pika_image_get_display_name (src_image));
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}
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else
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{
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if (image == src_image)
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str = g_strdup_printf (ngettext ("Source: %d item",
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"Source: %d items",
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g_list_length (options->src_drawables)),
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g_list_length (options->src_drawables));
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else
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str = g_strdup_printf (ngettext ("Source: %d item from '%s'",
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"Source: %d items from '%s'",
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g_list_length (options->src_drawables)),
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g_list_length (options->src_drawables),
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pika_image_get_display_name (src_image));
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}
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}
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markup = g_strdup_printf ("<i>%s</i>", str);
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g_list_free (drawables);
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g_free (str);
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}
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gtk_label_set_markup (GTK_LABEL (label), markup);
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g_free (markup);
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return G_SOURCE_REMOVE;
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}
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/* Public functions. */
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GtkWidget *
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pika_clone_options_gui (PikaToolOptions *tool_options)
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{
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GObject *config = G_OBJECT (tool_options);
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GtkWidget *vbox = pika_paint_options_gui (tool_options);
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GtkWidget *frame;
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GtkWidget *label;
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GtkWidget *combo;
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GtkWidget *source_vbox;
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GtkWidget *button;
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GtkWidget *hbox;
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gchar *str;
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/* the source frame */
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frame = pika_frame_new (NULL);
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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gtk_box_reorder_child (GTK_BOX (vbox), frame, 2);
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gtk_widget_show (frame);
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/* the source type menu */
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combo = pika_prop_enum_combo_box_new (config, "clone-type", 0, 0);
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pika_int_combo_box_set_label (PIKA_INT_COMBO_BOX (combo), _("Source"));
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g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
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gtk_frame_set_label_widget (GTK_FRAME (frame), combo);
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source_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_container_add (GTK_CONTAINER (frame), source_vbox);
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gtk_widget_show (source_vbox);
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button = pika_prop_check_button_new (config, "sample-merged", NULL);
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g_object_set_data (G_OBJECT (tool_options), "sample-merged-checkbox", button);
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gtk_box_pack_start (GTK_BOX (source_vbox), button, FALSE, FALSE, 0);
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g_object_bind_property_full (config, "clone-type",
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button, "visible",
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G_BINDING_SYNC_CREATE,
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pika_clone_options_sync_source,
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NULL,
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GINT_TO_POINTER (PIKA_CLONE_IMAGE), NULL);
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label = gtk_label_new (NULL);
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gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
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str = g_strdup_printf ("<i>%s</i>", _("No source selected"));
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gtk_label_set_markup (GTK_LABEL (label), str);
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g_object_set_data_full (G_OBJECT (tool_options), "src-label",
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g_object_ref (label),
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(GDestroyNotify) g_object_unref);
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g_free (str);
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gtk_box_pack_start (GTK_BOX (source_vbox), label, FALSE, FALSE, 0);
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g_object_bind_property_full (config, "clone-type",
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label, "visible",
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G_BINDING_SYNC_CREATE,
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pika_clone_options_sync_source,
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NULL,
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GINT_TO_POINTER (PIKA_CLONE_IMAGE), NULL);
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g_signal_connect (pika_get_user_context (PIKA_CONTEXT (tool_options)->pika),
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"image-changed",
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G_CALLBACK (pika_clone_options_gui_context_image_changed),
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tool_options);
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hbox = pika_prop_pattern_box_new (NULL, PIKA_CONTEXT (tool_options),
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NULL, 2,
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"pattern-view-type", "pattern-view-size");
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gtk_box_pack_start (GTK_BOX (source_vbox), hbox, FALSE, FALSE, 0);
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g_object_bind_property_full (config, "clone-type",
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hbox, "visible",
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G_BINDING_SYNC_CREATE,
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pika_clone_options_sync_source,
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NULL,
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GINT_TO_POINTER (PIKA_CLONE_PATTERN), NULL);
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combo = pika_prop_enum_combo_box_new (config, "align-mode", 0, 0);
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pika_int_combo_box_set_label (PIKA_INT_COMBO_BOX (combo), _("Alignment"));
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g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
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gtk_box_pack_start (GTK_BOX (vbox), combo, TRUE, TRUE, 0);
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gtk_box_reorder_child (GTK_BOX (vbox), combo, 3);
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/* A few options which can trigger a change in the source label. */
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g_signal_connect (config, "notify::src-drawables",
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G_CALLBACK (pika_clone_options_gui_src_changed),
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label);
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g_signal_connect (config, "notify::sample-merged",
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G_CALLBACK (pika_clone_options_gui_src_changed),
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label);
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pika_clone_options_gui_src_changed (PIKA_SOURCE_OPTIONS (config), NULL, label);
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return vbox;
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}
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