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gimp/app/tools/gimpfiltertool-settings.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpfiltertool-settings.c
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimp.h"
#include "core/gimptoolinfo.h"
#include "widgets/gimpsettingsbox.h"
#include "display/gimptoolgui.h"
#include "gimpfiltertool.h"
#include "gimpfiltertool-settings.h"
#include "gimp-intl.h"
/* local function prototypes */
static gboolean gimp_filter_tool_settings_import (GimpSettingsBox *box,
GFile *file,
GimpFilterTool *filter_tool);
static gboolean gimp_filter_tool_settings_export (GimpSettingsBox *box,
GFile *file,
GimpFilterTool *filter_tool);
/* public functions */
GtkWidget *
gimp_filter_tool_get_settings_box (GimpFilterTool *filter_tool)
{
GimpToolInfo *tool_info = GIMP_TOOL (filter_tool)->tool_info;
GQuark quark = g_quark_from_static_string ("settings-folder");
GType type = G_TYPE_FROM_INSTANCE (filter_tool->config);
GFile *settings_folder;
GtkWidget *box;
GtkWidget *label;
GtkWidget *combo;
gchar *import_title;
gchar *export_title;
settings_folder = g_type_get_qdata (type, quark);
import_title = g_strdup_printf (_("Import '%s' Settings"),
gimp_tool_get_label (GIMP_TOOL (filter_tool)));
export_title = g_strdup_printf (_("Export '%s' Settings"),
gimp_tool_get_label (GIMP_TOOL (filter_tool)));
box = gimp_settings_box_new (tool_info->gimp,
filter_tool->config,
filter_tool->settings,
import_title,
export_title,
gimp_tool_get_help_id (GIMP_TOOL (filter_tool)),
settings_folder,
NULL);
g_free (import_title);
g_free (export_title);
g_signal_connect (box, "import",
G_CALLBACK (gimp_filter_tool_settings_import),
filter_tool);
g_signal_connect (box, "export",
G_CALLBACK (gimp_filter_tool_settings_export),
filter_tool);
g_signal_connect_swapped (box, "selected",
G_CALLBACK (gimp_filter_tool_set_config),
filter_tool);
label = gtk_label_new_with_mnemonic (_("Pre_sets:"));
gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (box), label, 0);
gtk_widget_show (label);
combo = gimp_settings_box_get_combo (GIMP_SETTINGS_BOX (box));
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
return box;
}
gboolean
gimp_filter_tool_real_settings_import (GimpFilterTool *filter_tool,
GInputStream *input,
GError **error)
{
return gimp_config_deserialize_stream (GIMP_CONFIG (filter_tool->config),
input,
NULL, error);
}
gboolean
gimp_filter_tool_real_settings_export (GimpFilterTool *filter_tool,
GOutputStream *output,
GError **error)
{
GimpTool *tool = GIMP_TOOL (filter_tool);
gchar *header;
gchar *footer;
gboolean success;
header = g_strdup_printf ("GIMP '%s' settings",
gimp_tool_get_label (tool));
footer = g_strdup_printf ("end of '%s' settings",
gimp_tool_get_label (tool));
success = gimp_config_serialize_to_stream (GIMP_CONFIG (filter_tool->config),
output,
header, footer,
NULL, error);
g_free (header);
g_free (footer);
return success;
}
/* private functions */
static gboolean
gimp_filter_tool_settings_import (GimpSettingsBox *box,
GFile *file,
GimpFilterTool *filter_tool)
{
GimpFilterToolClass *tool_class = GIMP_FILTER_TOOL_GET_CLASS (filter_tool);
GInputStream *input;
GError *error = NULL;
g_return_val_if_fail (tool_class->settings_import != NULL, FALSE);
if (GIMP_TOOL (filter_tool)->tool_info->gimp->be_verbose)
g_print ("Parsing '%s'\n", gimp_file_get_utf8_name (file));
input = G_INPUT_STREAM (g_file_read (file, NULL, &error));
if (! input)
{
gimp_message (GIMP_TOOL (filter_tool)->tool_info->gimp,
G_OBJECT (gimp_tool_gui_get_dialog (filter_tool->gui)),
GIMP_MESSAGE_ERROR,
_("Could not open '%s' for reading: %s"),
gimp_file_get_utf8_name (file),
error->message);
g_clear_error (&error);
return FALSE;
}
if (! tool_class->settings_import (filter_tool, input, &error))
{
gimp_message (GIMP_TOOL (filter_tool)->tool_info->gimp,
G_OBJECT (gimp_tool_gui_get_dialog (filter_tool->gui)),
GIMP_MESSAGE_ERROR,
_("Error reading '%s': %s"),
gimp_file_get_utf8_name (file),
error->message);
g_clear_error (&error);
g_object_unref (input);
return FALSE;
}
g_object_unref (input);
return TRUE;
}
static gboolean
gimp_filter_tool_settings_export (GimpSettingsBox *box,
GFile *file,
GimpFilterTool *filter_tool)
{
GimpFilterToolClass *tool_class = GIMP_FILTER_TOOL_GET_CLASS (filter_tool);
GOutputStream *output;
GError *error = NULL;
g_return_val_if_fail (tool_class->settings_export != NULL, FALSE);
if (GIMP_TOOL (filter_tool)->tool_info->gimp->be_verbose)
g_print ("Writing '%s'\n", gimp_file_get_utf8_name (file));
output = G_OUTPUT_STREAM (g_file_replace (file,
NULL, FALSE, G_FILE_CREATE_NONE,
NULL, &error));
if (! output)
{
gimp_message_literal (GIMP_TOOL (filter_tool)->tool_info->gimp,
G_OBJECT (gimp_tool_gui_get_dialog (filter_tool->gui)),
GIMP_MESSAGE_ERROR,
error->message);
g_clear_error (&error);
return FALSE;
}
if (! tool_class->settings_export (filter_tool, output, &error))
{
GCancellable *cancellable = g_cancellable_new ();
gimp_message (GIMP_TOOL (filter_tool)->tool_info->gimp,
G_OBJECT (gimp_tool_gui_get_dialog (filter_tool->gui)),
GIMP_MESSAGE_ERROR,
_("Error writing '%s': %s"),
gimp_file_get_utf8_name (file),
error->message);
g_clear_error (&error);
/* Cancel the overwrite initiated by g_file_replace(). */
g_cancellable_cancel (cancellable);
g_output_stream_close (output, cancellable, NULL);
g_object_unref (cancellable);
g_object_unref (output);
return FALSE;
}
g_object_unref (output);
gimp_message (GIMP_TOOL (filter_tool)->tool_info->gimp,
G_OBJECT (GIMP_TOOL (filter_tool)->display),
GIMP_MESSAGE_INFO,
_("Settings saved to '%s'"),
gimp_file_get_utf8_name (file));
return TRUE;
}
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