303 lines
9.1 KiB
C
303 lines
9.1 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 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 <string.h>
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#include <gegl.h>
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#include <gegl-plugin.h>
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#include <gtk/gtk.h>
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#include "libpikacolor/pikacolor.h"
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#include "libpikaconfig/pikaconfig.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "tools-types.h"
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#include "gegl/pika-gegl-utils.h"
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#include "core/pika.h"
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#include "core/pikatoolinfo.h"
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#include "widgets/pikahelp-ids.h"
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#include "widgets/pikapropwidgets.h"
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#include "pikafilteroptions.h"
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#include "pikagegltool.h"
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#include "pika-intl.h"
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enum
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{
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COLUMN_NAME,
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COLUMN_LABEL,
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COLUMN_ICON_NAME,
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N_COLUMNS
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};
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/* local function prototypes */
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static void pika_gegl_tool_control (PikaTool *tool,
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PikaToolAction action,
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PikaDisplay *display);
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static void pika_gegl_tool_dialog (PikaFilterTool *filter_tool);
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static void pika_gegl_tool_halt (PikaGeglTool *gegl_tool);
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static void pika_gegl_tool_operation_changed (GtkWidget *widget,
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PikaGeglTool *gegl_tool);
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G_DEFINE_TYPE (PikaGeglTool, pika_gegl_tool, PIKA_TYPE_OPERATION_TOOL)
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#define parent_class pika_gegl_tool_parent_class
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void
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pika_gegl_tool_register (PikaToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (PIKA_TYPE_GEGL_TOOL,
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PIKA_TYPE_FILTER_OPTIONS,
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pika_color_options_gui,
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0,
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"pika-gegl-tool",
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_("GEGL Operation"),
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_("Run an arbitrary GEGL operation"),
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N_("_GEGL Operation..."), NULL,
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NULL, PIKA_HELP_TOOL_GEGL,
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PIKA_ICON_GEGL,
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data);
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}
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static void
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pika_gegl_tool_class_init (PikaGeglToolClass *klass)
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{
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PikaToolClass *tool_class = PIKA_TOOL_CLASS (klass);
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PikaFilterToolClass *filter_tool_class = PIKA_FILTER_TOOL_CLASS (klass);
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tool_class->control = pika_gegl_tool_control;
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filter_tool_class->dialog = pika_gegl_tool_dialog;
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}
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static void
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pika_gegl_tool_init (PikaGeglTool *tool)
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{
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}
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static void
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pika_gegl_tool_control (PikaTool *tool,
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PikaToolAction action,
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PikaDisplay *display)
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{
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PikaGeglTool *gegl_tool = PIKA_GEGL_TOOL (tool);
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switch (action)
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{
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case PIKA_TOOL_ACTION_PAUSE:
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case PIKA_TOOL_ACTION_RESUME:
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break;
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case PIKA_TOOL_ACTION_HALT:
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pika_gegl_tool_halt (gegl_tool);
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break;
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case PIKA_TOOL_ACTION_COMMIT:
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break;
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}
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PIKA_TOOL_CLASS (parent_class)->control (tool, action, display);
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}
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/*****************/
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/* Gegl dialog */
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/*****************/
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static void
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pika_gegl_tool_dialog (PikaFilterTool *filter_tool)
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{
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PikaGeglTool *tool = PIKA_GEGL_TOOL (filter_tool);
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PikaOperationTool *o_tool = PIKA_OPERATION_TOOL (filter_tool);
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GtkListStore *store;
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GtkCellRenderer *cell;
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GtkWidget *main_vbox;
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GtkWidget *hbox;
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GtkWidget *combo;
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GtkWidget *options_gui;
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GtkWidget *options_box;
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GList *opclasses;
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GList *iter;
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PIKA_FILTER_TOOL_CLASS (parent_class)->dialog (filter_tool);
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options_box = g_weak_ref_get (&o_tool->options_box_ref);
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g_return_if_fail (options_box);
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main_vbox = pika_filter_tool_dialog_get_vbox (filter_tool);
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/* The operation combo box */
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
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gtk_box_reorder_child (GTK_BOX (main_vbox), hbox, 0);
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gtk_widget_show (hbox);
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store = gtk_list_store_new (N_COLUMNS,
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G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
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opclasses = pika_gegl_get_op_classes ();
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for (iter = opclasses; iter; iter = iter->next)
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{
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GeglOperationClass *opclass = GEGL_OPERATION_CLASS (iter->data);
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const gchar *icon_name = NULL;
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const gchar *op_name = opclass->name;
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const gchar *title;
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gchar *label;
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if (g_str_has_prefix (opclass->name, "gegl:"))
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icon_name = PIKA_ICON_GEGL;
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if (g_str_has_prefix (op_name, "gegl:"))
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op_name += strlen ("gegl:");
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title = gegl_operation_class_get_key (opclass, "title");
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if (title)
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label = g_strdup_printf ("%s (%s)", title, op_name);
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else
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label = g_strdup (op_name);
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gtk_list_store_insert_with_values (store, NULL, -1,
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COLUMN_NAME, opclass->name,
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COLUMN_LABEL, label,
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COLUMN_ICON_NAME, icon_name,
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-1);
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g_free (label);
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}
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g_list_free (opclasses);
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combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));
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g_object_unref (store);
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gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
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gtk_widget_show (combo);
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cell = gtk_cell_renderer_pixbuf_new ();
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gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, FALSE);
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gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo), cell,
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"icon-name", COLUMN_ICON_NAME);
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cell = gtk_cell_renderer_text_new ();
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g_object_set (cell,
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"ellipsize", PANGO_ELLIPSIZE_MIDDLE,
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NULL);
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gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, TRUE);
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gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo), cell,
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"text", COLUMN_LABEL);
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g_signal_connect (combo, "changed",
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G_CALLBACK (pika_gegl_tool_operation_changed),
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tool);
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tool->operation_combo = combo;
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tool->description_label = gtk_label_new ("");
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gtk_label_set_line_wrap (GTK_LABEL (tool->description_label), TRUE);
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gtk_label_set_xalign (GTK_LABEL (tool->description_label), 0.0);
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gtk_box_pack_start (GTK_BOX (main_vbox), tool->description_label,
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FALSE, FALSE, 0);
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gtk_box_reorder_child (GTK_BOX (main_vbox), tool->description_label, 1);
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/* The options vbox */
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options_gui = gtk_label_new (_("Select an operation from the list above"));
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pika_label_set_attributes (GTK_LABEL (options_gui),
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PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
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-1);
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g_object_set (options_gui,
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"margin-top", 4,
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"margin-bottom", 4,
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NULL);
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gtk_container_add (GTK_CONTAINER (options_box), options_gui);
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g_object_unref (options_box);
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g_weak_ref_set (&o_tool->options_gui_ref, options_gui);
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gtk_widget_show (options_gui);
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}
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static void
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pika_gegl_tool_halt (PikaGeglTool *gegl_tool)
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{
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PikaOperationTool *op_tool = PIKA_OPERATION_TOOL (gegl_tool);
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pika_operation_tool_set_operation (op_tool, NULL,
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NULL, NULL, NULL, NULL, NULL);
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}
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static void
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pika_gegl_tool_operation_changed (GtkWidget *widget,
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PikaGeglTool *tool)
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{
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GtkTreeModel *model;
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GtkTreeIter iter;
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gchar *operation;
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if (! gtk_combo_box_get_active_iter (GTK_COMBO_BOX (widget), &iter))
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return;
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model = gtk_combo_box_get_model (GTK_COMBO_BOX (widget));
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gtk_tree_model_get (model, &iter,
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COLUMN_NAME, &operation,
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-1);
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if (operation)
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{
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const gchar *description;
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description = gegl_operation_get_key (operation, "description");
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if (description)
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{
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gtk_label_set_text (GTK_LABEL (tool->description_label), description);
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gtk_widget_show (tool->description_label);
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}
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else
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{
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gtk_widget_hide (tool->description_label);
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}
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pika_operation_tool_set_operation (PIKA_OPERATION_TOOL (tool),
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operation,
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_("GEGL Operation"),
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_("GEGL Operation"),
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NULL,
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PIKA_ICON_GEGL,
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PIKA_HELP_TOOL_GEGL);
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g_free (operation);
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}
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}
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