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gimp/app/widgets/gimpsavedialog.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpsavedialog.c
* Copyright (C) 2015 Jehan <jehan@girinstud.io>
*
* 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 "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimp-utils.h"
#include "core/gimpimage.h"
#include "core/gimpimage-metadata.h"
#include "file/gimp-file.h"
#include "gimphelp-ids.h"
#include "gimpsavedialog.h"
#include "gimp-intl.h"
typedef struct _GimpSaveDialogState GimpSaveDialogState;
struct _GimpSaveDialogState
{
gchar *filter_name;
gboolean compression;
};
static void gimp_save_dialog_constructed (GObject *object);
static void gimp_save_dialog_save_state (GimpFileDialog *dialog,
const gchar *state_name);
static void gimp_save_dialog_load_state (GimpFileDialog *dialog,
const gchar *state_name);
static void gimp_save_dialog_add_extra_widgets (GimpSaveDialog *dialog);
static void gimp_save_dialog_compression_toggled
(GtkToggleButton *button,
GimpSaveDialog *dialog);
static GimpSaveDialogState
* gimp_save_dialog_get_state (GimpSaveDialog *dialog);
static void gimp_save_dialog_set_state (GimpSaveDialog *dialog,
GimpSaveDialogState *state);
static void gimp_save_dialog_state_destroy (GimpSaveDialogState *state);
G_DEFINE_TYPE (GimpSaveDialog, gimp_save_dialog,
GIMP_TYPE_FILE_DIALOG)
#define parent_class gimp_save_dialog_parent_class
static void
gimp_save_dialog_class_init (GimpSaveDialogClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpFileDialogClass *fd_class = GIMP_FILE_DIALOG_CLASS (klass);
object_class->constructed = gimp_save_dialog_constructed;
fd_class->save_state = gimp_save_dialog_save_state;
fd_class->load_state = gimp_save_dialog_load_state;
}
static void
gimp_save_dialog_init (GimpSaveDialog *dialog)
{
}
static void
gimp_save_dialog_constructed (GObject *object)
{
GimpSaveDialog *dialog = GIMP_SAVE_DIALOG (object);
/* GimpFileDialog's constructed() is doing a few initialization
* common to all file dialogs.
*/
G_OBJECT_CLASS (parent_class)->constructed (object);
gimp_save_dialog_add_extra_widgets (dialog);
}
static void
gimp_save_dialog_save_state (GimpFileDialog *dialog,
const gchar *state_name)
{
g_object_set_data_full (G_OBJECT (dialog->gimp), state_name,
gimp_save_dialog_get_state (GIMP_SAVE_DIALOG (dialog)),
(GDestroyNotify) gimp_save_dialog_state_destroy);
}
static void
gimp_save_dialog_load_state (GimpFileDialog *dialog,
const gchar *state_name)
{
GimpSaveDialogState *state;
state = g_object_get_data (G_OBJECT (dialog->gimp), state_name);
if (state)
gimp_save_dialog_set_state (GIMP_SAVE_DIALOG (dialog), state);
}
/* public functions */
GtkWidget *
gimp_save_dialog_new (Gimp *gimp)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
return g_object_new (GIMP_TYPE_SAVE_DIALOG,
"gimp", gimp,
"title", _("Save Image"),
"role", "gimp-file-save",
"help-id", GIMP_HELP_FILE_SAVE,
"ok-button-label", _("_Save"),
"automatic-label", _("By Extension"),
"automatic-help-id", GIMP_HELP_FILE_SAVE_BY_EXTENSION,
"action", GTK_FILE_CHOOSER_ACTION_SAVE,
"file-procs", GIMP_FILE_PROCEDURE_GROUP_SAVE,
"file-procs-all-images", GIMP_FILE_PROCEDURE_GROUP_EXPORT,
"file-filter-label", _("All XCF images"),
NULL);
}
void
gimp_save_dialog_set_image (GimpSaveDialog *dialog,
GimpImage *image,
gboolean save_a_copy,
gboolean close_after_saving,
GimpObject *display)
{
GimpFileDialog *file_dialog;
GtkWidget *compression_toggle;
GFile *dir_file = NULL;
GFile *name_file = NULL;
GFile *ext_file = NULL;
gchar *basename;
const gchar *version_string;
gint rle_version;
gint zlib_version;
g_return_if_fail (GIMP_IS_SAVE_DIALOG (dialog));
g_return_if_fail (GIMP_IS_IMAGE (image));
file_dialog = GIMP_FILE_DIALOG (dialog);
file_dialog->image = image;
dialog->save_a_copy = save_a_copy;
dialog->close_after_saving = close_after_saving;
dialog->display_to_close = display;
gimp_file_dialog_set_file_proc (file_dialog, NULL);
/*
* Priority of default paths for Save:
*
* 1. Last Save a copy-path (applies only to Save a copy)
* 2. Last Save path
* 3. Path of source XCF
* 4. Path of Import source
* 5. Last Save path of any GIMP document
* 6. The default path (usually the OS 'Documents' path)
*/
if (save_a_copy)
dir_file = gimp_image_get_save_a_copy_file (image);
if (! dir_file)
dir_file = gimp_image_get_file (image);
if (! dir_file)
dir_file = g_object_get_data (G_OBJECT (image),
"gimp-image-source-file");
if (! dir_file)
dir_file = gimp_image_get_imported_file (image);
if (! dir_file)
dir_file = g_object_get_data (G_OBJECT (file_dialog->gimp),
GIMP_FILE_SAVE_LAST_FILE_KEY);
if (! dir_file)
dir_file = gimp_file_dialog_get_default_folder (file_dialog);
/* Priority of default basenames for Save:
*
* 1. Last Save a copy-name (applies only to Save a copy)
* 2. Last Save name
* 3. Last Export name
* 3. The source image path
* 3. 'Untitled'
*/
if (save_a_copy)
name_file = gimp_image_get_save_a_copy_file (image);
if (! name_file)
name_file = gimp_image_get_file (image);
if (! name_file)
name_file = gimp_image_get_exported_file (image);
if (! name_file)
name_file = gimp_image_get_imported_file (image);
if (! name_file)
name_file = gimp_image_get_untitled_file (image);
/* Priority of default type/extension for Save:
*
* 1. Type of last Save
* 2. .xcf (which we don't explicitly append)
*/
ext_file = gimp_image_get_file (image);
if (ext_file)
g_object_ref (ext_file);
else
ext_file = g_file_new_for_uri ("file:///we/only/care/about/extension.xcf");
gimp_image_get_xcf_version (image, FALSE, &rle_version,
&version_string, NULL);
gimp_image_get_xcf_version (image, TRUE, &zlib_version,
NULL, NULL);
if (rle_version != zlib_version)
{
GtkWidget *label;
gchar *text;
text = g_strdup_printf (_("Keep compression disabled to make the XCF "
"file readable by %s and later."),
version_string);
label = gtk_label_new (text);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
-1);
gtk_container_add (GTK_CONTAINER (dialog->compression_frame),
label);
gtk_widget_show (label);
g_free (text);
}
compression_toggle = gtk_frame_get_label_widget (GTK_FRAME (dialog->compression_frame));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (compression_toggle),
gimp_image_get_xcf_compression (image));
/* Force a "toggled" signal since gtk_toggle_button_set_active() won't
* send it if the button status doesn't change.
*/
gtk_toggle_button_toggled (GTK_TOGGLE_BUTTON (compression_toggle));
if (ext_file)
{
GFile *tmp_file = gimp_file_with_new_extension (name_file, ext_file);
basename = g_path_get_basename (gimp_file_get_utf8_name (tmp_file));
g_object_unref (tmp_file);
g_object_unref (ext_file);
}
else
{
basename = g_path_get_basename (gimp_file_get_utf8_name (name_file));
}
if (g_file_query_file_type (dir_file, G_FILE_QUERY_INFO_NONE, NULL) ==
G_FILE_TYPE_DIRECTORY)
{
gtk_file_chooser_set_current_folder_file (GTK_FILE_CHOOSER (dialog),
dir_file, NULL);
}
else
{
GFile *parent_file = g_file_get_parent (dir_file);
gtk_file_chooser_set_current_folder_file (GTK_FILE_CHOOSER (dialog),
parent_file, NULL);
g_object_unref (parent_file);
}
gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (dialog), basename);
g_free (basename);
}
/* private functions */
static void
gimp_save_dialog_add_extra_widgets (GimpSaveDialog *dialog)
{
GtkWidget *label;
GtkWidget *reasons;
GtkWidget *compression_toggle;
/* Compression toggle. */
compression_toggle =
gtk_check_button_new_with_mnemonic (_("Save this _XCF file with better but slower compression"));
gtk_widget_set_tooltip_text (compression_toggle,
_("On edge cases, better compression algorithms might still "
"end up on bigger file size; manual check recommended"));
dialog->compression_frame = gimp_frame_new (NULL);
gtk_frame_set_label_widget (GTK_FRAME (dialog->compression_frame), compression_toggle);
gtk_widget_show (compression_toggle);
gimp_file_dialog_add_extra_widget (GIMP_FILE_DIALOG (dialog), dialog->compression_frame,
FALSE, FALSE, 0);
gtk_widget_show (dialog->compression_frame);
/* Additional information explaining file compatibility things */
dialog->compat_info = gtk_expander_new (NULL);
label = gtk_label_new ("");
gtk_expander_set_label_widget (GTK_EXPANDER (dialog->compat_info), label);
gtk_widget_show (label);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
reasons = gtk_text_view_new ();
gtk_text_view_set_editable (GTK_TEXT_VIEW (reasons), FALSE);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (reasons), FALSE);
gtk_container_add (GTK_CONTAINER (dialog->compat_info), reasons);
gtk_widget_show (reasons);
gimp_file_dialog_add_extra_widget (GIMP_FILE_DIALOG (dialog),
dialog->compat_info,
FALSE, FALSE, 0);
gtk_widget_show (dialog->compat_info);
g_signal_connect (compression_toggle, "toggled",
G_CALLBACK (gimp_save_dialog_compression_toggled),
dialog);
}
static void
gimp_save_dialog_compression_toggled (GtkToggleButton *button,
GimpSaveDialog *dialog)
{
const gchar *version_string = NULL;
GimpFileDialog *file_dialog = GIMP_FILE_DIALOG (dialog);
gchar *compat_hint = NULL;
gchar *reason = NULL;
GtkWidget *widget;
GtkTextBuffer *text_buffer;
gint version;
if (! file_dialog->image)
return;
dialog->compression = gtk_toggle_button_get_active (button);
if (dialog->compression)
gimp_image_get_xcf_version (file_dialog->image, TRUE, &version,
&version_string, &reason);
else
gimp_image_get_xcf_version (file_dialog->image, FALSE, &version,
&version_string, &reason);
/* Only show compatibility information for GIMP over 2.6. The reason
* is mostly that we don't have details to make a compatibility list
* with this older version.
* It's anyway so prehistorical that we are not really caring about
* compatibility with older version.
*/
if (version <= 206)
gtk_widget_hide (dialog->compat_info);
else
gtk_widget_show (dialog->compat_info);
/* Set the compatibility label. */
compat_hint =
g_strdup_printf (_("The image uses features from %s and "
"won't be readable by older GIMP versions."),
version_string);
if (gimp_image_get_metadata (file_dialog->image))
{
gchar *temp_hint;
temp_hint = g_strconcat (compat_hint, "\n",
_("Metadata won't be visible in GIMP "
"older than version 2.10."), NULL);
g_free (compat_hint);
compat_hint = temp_hint;
}
widget = gtk_expander_get_label_widget (GTK_EXPANDER (dialog->compat_info));
gtk_label_set_text (GTK_LABEL (widget), compat_hint);
g_free (compat_hint);
/* Fill in the details (list of compatibility reasons). */
widget = gtk_bin_get_child (GTK_BIN (dialog->compat_info));
text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
gtk_text_buffer_set_text (text_buffer, reason ? reason : "", -1);
if (reason)
g_free (reason);
}
static GimpSaveDialogState *
gimp_save_dialog_get_state (GimpSaveDialog *dialog)
{
GimpSaveDialogState *state;
GtkFileFilter *filter;
state = g_slice_new0 (GimpSaveDialogState);
filter = gtk_file_chooser_get_filter (GTK_FILE_CHOOSER (dialog));
if (filter)
state->filter_name = g_strdup (gtk_file_filter_get_name (filter));
state->compression = dialog->compression;
return state;
}
static void
gimp_save_dialog_set_state (GimpSaveDialog *dialog,
GimpSaveDialogState *state)
{
if (state->filter_name)
{
GSList *filters;
GSList *list;
filters = gtk_file_chooser_list_filters (GTK_FILE_CHOOSER (dialog));
for (list = filters; list; list = list->next)
{
GtkFileFilter *filter = GTK_FILE_FILTER (list->data);
const gchar *name = gtk_file_filter_get_name (filter);
if (name && strcmp (state->filter_name, name) == 0)
{
gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), filter);
break;
}
}
g_slist_free (filters);
}
dialog->compression = state->compression;
}
static void
gimp_save_dialog_state_destroy (GimpSaveDialogState *state)
{
g_free (state->filter_name);
g_slice_free (GimpSaveDialogState, state);
}
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