mirror of https://github.com/GNOME/gimp.git
423 lines
13 KiB
C
423 lines
13 KiB
C
/* 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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* 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 "actions-types.h"
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#include "core/gimp.h"
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#include "core/gimpimage.h"
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#include "core/gimpdrawable.h"
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#include "core/gimpparamspecs.h"
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#include "core/gimpprogress.h"
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#include "pdb/gimpprocedure.h"
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#include "display/gimpdisplay.h"
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#include "procedure-commands.h"
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static inline gboolean
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GIMP_IS_PARAM_SPEC_RUN_MODE (GParamSpec *pspec)
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{
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return (G_IS_PARAM_SPEC_ENUM (pspec) &&
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pspec->value_type == GIMP_TYPE_RUN_MODE);
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}
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GimpValueArray *
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procedure_commands_get_run_mode_arg (GimpProcedure *procedure)
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{
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GimpValueArray *args;
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gint n_args = 0;
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args = gimp_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (gimp_value_array_index (args, n_args),
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GIMP_RUN_INTERACTIVE);
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n_args++;
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}
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if (n_args > 0)
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gimp_value_array_truncate (args, n_args);
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return args;
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}
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GimpValueArray *
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procedure_commands_get_data_args (GimpProcedure *procedure,
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GimpObject *object)
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{
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GimpValueArray *args;
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gint n_args = 0;
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args = gimp_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (gimp_value_array_index (args, n_args),
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GIMP_RUN_INTERACTIVE);
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n_args++;
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}
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if (gimp_value_array_length (args) > n_args &&
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G_IS_PARAM_SPEC_STRING (procedure->args[n_args]))
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{
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if (object)
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{
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g_value_set_string (gimp_value_array_index (args, n_args),
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gimp_object_get_name (object));
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no active data object for the plug-in!");
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gimp_value_array_unref (args);
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return NULL;
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}
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}
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if (n_args > 0)
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gimp_value_array_truncate (args, n_args);
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return args;
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}
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GimpValueArray *
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procedure_commands_get_image_args (GimpProcedure *procedure,
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GimpImage *image)
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{
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GimpValueArray *args;
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gint n_args = 0;
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args = gimp_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (gimp_value_array_index (args, n_args),
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GIMP_RUN_INTERACTIVE);
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n_args++;
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}
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_IMAGE (procedure->args[n_args]))
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{
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if (image)
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{
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g_value_set_object (gimp_value_array_index (args, n_args), image);
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no active image for the plug-in!");
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gimp_value_array_unref (args);
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return NULL;
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}
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}
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if (n_args)
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gimp_value_array_truncate (args, n_args);
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return args;
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}
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GimpValueArray *
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procedure_commands_get_items_args (GimpProcedure *procedure,
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GimpImage *image,
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GList *items_list)
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{
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GimpValueArray *args;
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gint n_args = 0;
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args = gimp_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (gimp_value_array_index (args, n_args),
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GIMP_RUN_INTERACTIVE);
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n_args++;
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}
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_IMAGE (procedure->args[n_args]))
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{
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if (image)
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{
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g_value_set_object (gimp_value_array_index (args, n_args), image);
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n_args++;
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_ITEM (procedure->args[n_args]))
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{
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if (items_list)
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{
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g_printerr ("%s: plug-in procedures expecting a single item are deprecated!\n",
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G_STRFUNC);
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g_value_set_object (gimp_value_array_index (args, n_args),
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items_list->data);
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no selected items for the plug-in!");
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gimp_value_array_unref (args);
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return NULL;
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}
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}
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else if (gimp_value_array_length (args) > n_args + 1 &&
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G_IS_PARAM_SPEC_INT (procedure->args[n_args]) &&
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GIMP_IS_PARAM_SPEC_OBJECT_ARRAY (procedure->args[n_args + 1]))
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{
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GimpItem **items = NULL;
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gint n_items;
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n_items = g_list_length (items_list);
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g_value_set_int (gimp_value_array_index (args, n_args++),
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n_items);
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if (items_list)
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{
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GList *iter;
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gint i;
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items = g_new (GimpItem *, n_items);
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for (iter = items_list, i = 0; iter; iter = iter->next, i++)
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items[i] = iter->data;
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}
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gimp_value_set_object_array (gimp_value_array_index (args, n_args++),
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GIMP_TYPE_ITEM,
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(GObject **) items, n_items);
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g_free (items);
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}
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}
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}
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if (n_args)
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gimp_value_array_truncate (args, n_args);
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return args;
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}
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GimpValueArray *
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procedure_commands_get_display_args (GimpProcedure *procedure,
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GimpDisplay *display,
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GimpObject *settings)
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{
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GimpValueArray *args;
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gint n_args = 0;
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args = gimp_procedure_get_arguments (procedure);
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/* initialize the first argument */
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_RUN_MODE (procedure->args[n_args]))
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{
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g_value_set_enum (gimp_value_array_index (args, n_args),
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GIMP_RUN_INTERACTIVE);
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n_args++;
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}
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_DISPLAY (procedure->args[n_args]))
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{
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if (display)
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{
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g_value_set_object (gimp_value_array_index (args, n_args), display);
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no active display for the plug-in!");
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gimp_value_array_unref (args);
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return NULL;
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}
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}
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_IMAGE (procedure->args[n_args]))
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{
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GimpImage *image = display ? gimp_display_get_image (display) : NULL;
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if (image)
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{
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GList *drawables_list = gimp_image_get_selected_drawables (image);
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g_value_set_object (gimp_value_array_index (args, n_args), image);
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n_args++;
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if (gimp_value_array_length (args) > n_args &&
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GIMP_IS_PARAM_SPEC_DRAWABLE (procedure->args[n_args]))
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{
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if (drawables_list)
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{
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g_printerr ("%s: plug-in procedures expecting a single drawable are deprecated!\n",
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G_STRFUNC);
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g_value_set_object (gimp_value_array_index (args, n_args),
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drawables_list->data);
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n_args++;
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}
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else
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{
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g_warning ("Uh-oh, no selected drawables for the plug-in!");
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gimp_value_array_unref (args);
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g_list_free (drawables_list);
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return NULL;
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}
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}
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else if (gimp_value_array_length (args) > n_args + 1 &&
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G_IS_PARAM_SPEC_INT (procedure->args[n_args]) &&
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GIMP_IS_PARAM_SPEC_OBJECT_ARRAY (procedure->args[n_args + 1]))
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{
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GimpDrawable **drawables = NULL;
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gint n_drawables;
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n_drawables = g_list_length (drawables_list);
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g_value_set_int (gimp_value_array_index (args, n_args++),
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n_drawables);
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if (drawables_list)
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{
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GList *iter;
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gint i;
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drawables = g_new (GimpDrawable *, n_drawables);
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for (iter = drawables_list, i = 0; iter; iter = iter->next, i++)
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drawables[i] = iter->data;
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}
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gimp_value_set_object_array (gimp_value_array_index (args, n_args++),
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GIMP_TYPE_DRAWABLE,
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(GObject **) drawables, n_drawables);
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g_free (drawables);
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}
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g_list_free (drawables_list);
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}
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}
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if (gimp_value_array_length (args) > n_args &&
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g_type_is_a (G_PARAM_SPEC_VALUE_TYPE (procedure->args[n_args]),
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GIMP_TYPE_OBJECT))
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{
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g_value_set_object (gimp_value_array_index (args, n_args), settings);
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n_args++;
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}
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if (n_args)
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gimp_value_array_truncate (args, n_args);
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return args;
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}
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gboolean
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procedure_commands_run_procedure (GimpProcedure *procedure,
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Gimp *gimp,
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GimpProgress *progress,
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GimpValueArray *args)
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{
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GimpValueArray *return_vals;
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GError *error = NULL;
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g_return_val_if_fail (GIMP_IS_PROCEDURE (procedure), FALSE);
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
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g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), FALSE);
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g_return_val_if_fail (args != NULL, FALSE);
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if (gimp_value_array_length (args) > 0 &&
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GIMP_IS_PARAM_SPEC_RUN_MODE (procedure->args[0]))
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g_value_set_enum (gimp_value_array_index (args, 0),
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GIMP_RUN_NONINTERACTIVE);
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return_vals = gimp_procedure_execute (procedure, gimp,
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gimp_get_user_context (gimp),
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progress, args,
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&error);
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gimp_value_array_unref (return_vals);
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if (error)
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{
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gimp_message_literal (gimp,
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G_OBJECT (progress), GIMP_MESSAGE_ERROR,
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error->message);
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g_clear_error (&error);
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return FALSE;
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}
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return TRUE;
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}
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gboolean
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procedure_commands_run_procedure_async (GimpProcedure *procedure,
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Gimp *gimp,
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GimpProgress *progress,
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GimpRunMode run_mode,
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GimpValueArray *args,
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GimpDisplay *display)
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{
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GError *error = NULL;
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g_return_val_if_fail (GIMP_IS_PROCEDURE (procedure), FALSE);
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
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g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), FALSE);
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g_return_val_if_fail (display == NULL || GIMP_IS_DISPLAY (display), FALSE);
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g_return_val_if_fail (args != NULL, FALSE);
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if (gimp_value_array_length (args) > 0 &&
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GIMP_IS_PARAM_SPEC_RUN_MODE (procedure->args[0]))
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g_value_set_enum (gimp_value_array_index (args, 0),
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run_mode);
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gimp_procedure_execute_async (procedure, gimp,
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gimp_get_user_context (gimp),
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progress, args,
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display, &error);
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if (error)
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{
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gimp_message_literal (gimp,
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G_OBJECT (progress), GIMP_MESSAGE_ERROR,
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error->message);
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g_clear_error (&error);
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return FALSE;
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}
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return TRUE;
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}
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