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gimp/app/widgets/gimpfiledialog.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpfiledialog.c
* Copyright (C) 2004 Michael Natterer <mitch@gimp.org>
*
* 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 <http://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 "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpimage.h"
#include "core/gimpprogress.h"
#include "config/gimpguiconfig.h"
#include "plug-in/gimppluginmanager-file.h"
#include "plug-in/gimppluginprocedure.h"
#include "gimpfiledialog.h"
#include "gimpfileprocview.h"
#include "gimpprogressbox.h"
#include "gimpthumbbox.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
/* an arbitrary limit to keep the file dialog from becoming too wide */
#define MAX_EXTENSIONS 4
enum
{
PROP_0,
PROP_GIMP,
PROP_HELP_ID,
PROP_OK_BUTTON_LABEL,
PROP_AUTOMATIC_HELP_ID,
PROP_AUTOMATIC_LABEL,
PROP_FILE_FILTER_LABEL,
PROP_FILE_PROCS,
PROP_FILE_PROCS_ALL_IMAGES
};
typedef struct _GimpFileDialogState GimpFileDialogState;
struct _GimpFileDialogState
{
gchar *filter_name;
};
static void gimp_file_dialog_progress_iface_init (GimpProgressInterface *iface);
static void gimp_file_dialog_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_file_dialog_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_file_dialog_constructed (GObject *object);
static void gimp_file_dialog_dispose (GObject *object);
static gboolean gimp_file_dialog_delete_event (GtkWidget *widget,
GdkEventAny *event);
static void gimp_file_dialog_response (GtkDialog *dialog,
gint response_id);
static GFile * gimp_file_dialog_real_get_default_folder (GimpFileDialog *dialog);
static void gimp_file_dialog_real_save_state (GimpFileDialog *dialog,
const gchar *state_name);
static void gimp_file_dialog_real_load_state (GimpFileDialog *dialog,
const gchar *state_name);
static GimpProgress *
gimp_file_dialog_progress_start (GimpProgress *progress,
gboolean cancellable,
const gchar *message);
static void gimp_file_dialog_progress_end (GimpProgress *progress);
static gboolean gimp_file_dialog_progress_is_active (GimpProgress *progress);
static void gimp_file_dialog_progress_set_text (GimpProgress *progress,
const gchar *message);
static void gimp_file_dialog_progress_set_value (GimpProgress *progress,
gdouble percentage);
static gdouble gimp_file_dialog_progress_get_value (GimpProgress *progress);
static void gimp_file_dialog_progress_pulse (GimpProgress *progress);
static guint32 gimp_file_dialog_progress_get_window_id (GimpProgress *progress);
static void gimp_file_dialog_add_user_dir (GimpFileDialog *dialog,
GUserDirectory directory);
static void gimp_file_dialog_add_preview (GimpFileDialog *dialog);
static void gimp_file_dialog_add_filters (GimpFileDialog *dialog);
static void gimp_file_dialog_process_procedure (GimpPlugInProcedure *file_proc,
GtkFileFilter **filter_out,
GtkFileFilter *all,
GtkFileFilter *all_savable);
static void gimp_file_dialog_add_proc_selection (GimpFileDialog *dialog);
static void gimp_file_dialog_selection_changed (GtkFileChooser *chooser,
GimpFileDialog *dialog);
static void gimp_file_dialog_update_preview (GtkFileChooser *chooser,
GimpFileDialog *dialog);
static void gimp_file_dialog_proc_changed (GimpFileProcView *view,
GimpFileDialog *dialog);
static void gimp_file_dialog_help_func (const gchar *help_id,
gpointer help_data);
static void gimp_file_dialog_help_clicked (GtkWidget *widget,
gpointer dialog);
static gchar * gimp_file_dialog_pattern_from_extension (const gchar *extension);
static GimpFileDialogState
* gimp_file_dialog_get_state (GimpFileDialog *dialog);
static void gimp_file_dialog_set_state (GimpFileDialog *dialog,
GimpFileDialogState *state);
static void gimp_file_dialog_state_destroy (GimpFileDialogState *state);
G_DEFINE_TYPE_WITH_CODE (GimpFileDialog, gimp_file_dialog,
GTK_TYPE_FILE_CHOOSER_DIALOG,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_PROGRESS,
gimp_file_dialog_progress_iface_init))
#define parent_class gimp_file_dialog_parent_class
static void
gimp_file_dialog_class_init (GimpFileDialogClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkDialogClass *dialog_class = GTK_DIALOG_CLASS (klass);
object_class->set_property = gimp_file_dialog_set_property;
object_class->get_property = gimp_file_dialog_get_property;
object_class->constructed = gimp_file_dialog_constructed;
object_class->dispose = gimp_file_dialog_dispose;
widget_class->delete_event = gimp_file_dialog_delete_event;
dialog_class->response = gimp_file_dialog_response;
klass->get_default_folder = gimp_file_dialog_real_get_default_folder;
klass->save_state = gimp_file_dialog_real_save_state;
klass->load_state = gimp_file_dialog_real_load_state;
g_object_class_install_property (object_class, PROP_GIMP,
g_param_spec_object ("gimp", NULL, NULL,
GIMP_TYPE_GIMP,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_HELP_ID,
g_param_spec_string ("help-id", NULL, NULL,
NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_OK_BUTTON_LABEL,
g_param_spec_string ("ok-button-label",
NULL, NULL,
_("_OK"),
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_AUTOMATIC_HELP_ID,
g_param_spec_string ("automatic-help-id",
NULL, NULL,
NULL,
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_AUTOMATIC_LABEL,
g_param_spec_string ("automatic-label",
NULL, NULL,
NULL,
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_FILE_FILTER_LABEL,
g_param_spec_string ("file-filter-label",
NULL, NULL,
NULL,
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_FILE_PROCS,
g_param_spec_enum ("file-procs",
NULL, NULL,
GIMP_TYPE_FILE_PROCEDURE_GROUP,
GIMP_FILE_PROCEDURE_GROUP_NONE,
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_FILE_PROCS_ALL_IMAGES,
g_param_spec_enum ("file-procs-all-images",
NULL, NULL,
GIMP_TYPE_FILE_PROCEDURE_GROUP,
GIMP_FILE_PROCEDURE_GROUP_NONE,
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_file_dialog_init (GimpFileDialog *dialog)
{
}
static void
gimp_file_dialog_progress_iface_init (GimpProgressInterface *iface)
{
iface->start = gimp_file_dialog_progress_start;
iface->end = gimp_file_dialog_progress_end;
iface->is_active = gimp_file_dialog_progress_is_active;
iface->set_text = gimp_file_dialog_progress_set_text;
iface->set_value = gimp_file_dialog_progress_set_value;
iface->get_value = gimp_file_dialog_progress_get_value;
iface->pulse = gimp_file_dialog_progress_pulse;
iface->get_window_id = gimp_file_dialog_progress_get_window_id;
}
static void
gimp_file_dialog_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (object);
switch (property_id)
{
case PROP_GIMP:
dialog->gimp = g_value_get_object (value);
break;
case PROP_HELP_ID:
dialog->help_id = g_value_dup_string (value);
break;
case PROP_OK_BUTTON_LABEL:
dialog->ok_button_label = g_value_dup_string (value);
break;
case PROP_AUTOMATIC_HELP_ID:
dialog->automatic_help_id = g_value_dup_string (value);
break;
case PROP_AUTOMATIC_LABEL:
dialog->automatic_label = g_value_dup_string (value);
break;
case PROP_FILE_FILTER_LABEL:
dialog->file_filter_label = g_value_dup_string (value);
break;
case PROP_FILE_PROCS:
dialog->file_procs =
gimp_plug_in_manager_get_file_procedures (dialog->gimp->plug_in_manager,
g_value_get_enum (value));
break;
case PROP_FILE_PROCS_ALL_IMAGES:
dialog->file_procs_all_images =
gimp_plug_in_manager_get_file_procedures (dialog->gimp->plug_in_manager,
g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_file_dialog_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (object);
switch (property_id)
{
case PROP_GIMP:
g_value_set_object (value, dialog->gimp);
break;
case PROP_HELP_ID:
g_value_set_string (value, dialog->help_id);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_file_dialog_constructed (GObject *object)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
gtk_dialog_add_buttons (GTK_DIALOG (dialog),
_("_Cancel"), GTK_RESPONSE_CANCEL,
dialog->ok_button_label, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (object), FALSE);
gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (object),
TRUE);
if (dialog->help_id)
{
gimp_help_connect (GTK_WIDGET (dialog),
gimp_file_dialog_help_func, dialog->help_id, dialog);
if (GIMP_GUI_CONFIG (dialog->gimp->config)->show_help_button)
{
GtkWidget *action_area;
GtkWidget *button;
action_area = gtk_dialog_get_action_area (GTK_DIALOG (dialog));
button = gtk_button_new_with_mnemonic (_("_Help"));
gtk_box_pack_end (GTK_BOX (action_area), button, FALSE, TRUE, 0);
gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (action_area),
button, TRUE);
gtk_widget_show (button);
g_object_set_data_full (G_OBJECT (dialog), "gimp-dialog-help-id",
g_strdup (dialog->help_id),
(GDestroyNotify) g_free);
g_signal_connect (button, "clicked",
G_CALLBACK (gimp_file_dialog_help_clicked),
dialog);
g_object_set_data (G_OBJECT (dialog), "gimp-dialog-help-button", button);
}
}
/* All classes derivated from GimpFileDialog should show these. */
gimp_file_dialog_add_user_dir (dialog, G_USER_DIRECTORY_PICTURES);
gimp_file_dialog_add_user_dir (dialog, G_USER_DIRECTORY_DOCUMENTS);
gimp_file_dialog_add_preview (dialog);
gimp_file_dialog_add_filters (dialog);
dialog->extra_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER (dialog),
dialog->extra_vbox);
gtk_widget_show (dialog->extra_vbox);
gimp_file_dialog_add_proc_selection (dialog);
dialog->progress = gimp_progress_box_new ();
gtk_box_pack_end (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
dialog->progress, FALSE, FALSE, 0);
}
static void
gimp_file_dialog_dispose (GObject *object)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (object);
G_OBJECT_CLASS (parent_class)->dispose (object);
dialog->progress = NULL;
if (dialog->help_id)
g_free (dialog->help_id);
dialog->help_id = NULL;
if (dialog->ok_button_label)
g_free (dialog->ok_button_label);
dialog->ok_button_label = NULL;
if (dialog->automatic_help_id)
g_free (dialog->automatic_help_id);
dialog->automatic_help_id = NULL;
if (dialog->automatic_label)
g_free (dialog->automatic_label);
dialog->automatic_label = NULL;
if (dialog->file_filter_label)
g_free (dialog->file_filter_label);
dialog->file_filter_label = NULL;
}
static gboolean
gimp_file_dialog_delete_event (GtkWidget *widget,
GdkEventAny *event)
{
return TRUE;
}
static void
gimp_file_dialog_response (GtkDialog *dialog,
gint response_id)
{
GimpFileDialog *file_dialog = GIMP_FILE_DIALOG (dialog);
if (response_id != GTK_RESPONSE_OK && file_dialog->busy)
{
file_dialog->canceled = TRUE;
if (file_dialog->progress &&
GIMP_PROGRESS_BOX (file_dialog->progress)->active &&
GIMP_PROGRESS_BOX (file_dialog->progress)->cancellable)
{
gimp_progress_cancel (GIMP_PROGRESS (dialog));
}
}
}
static GFile *
gimp_file_dialog_real_get_default_folder (GimpFileDialog *dialog)
{
GFile *file = NULL;
if (dialog->gimp->default_folder)
{
file = dialog->gimp->default_folder;
}
else
{
file = g_object_get_data (G_OBJECT (dialog->gimp),
"gimp-default-folder");
if (! file)
{
gchar *path;
/* Make sure the paths end with G_DIR_SEPARATOR_S */
#ifdef PLATFORM_OSX
/* See bug 753683, "Desktop" is expected on OS X */
path = g_build_path (G_DIR_SEPARATOR_S,
g_get_user_special_dir (G_USER_DIRECTORY_DESKTOP),
G_DIR_SEPARATOR_S,
NULL);
#else
path = g_build_path (G_DIR_SEPARATOR_S,
g_get_user_special_dir (G_USER_DIRECTORY_DOCUMENTS),
G_DIR_SEPARATOR_S,
NULL);
#endif
/* Paranoia fallback, see bug #722400 */
if (! path)
path = g_build_path (G_DIR_SEPARATOR_S,
g_get_home_dir (),
G_DIR_SEPARATOR_S,
NULL);
file = g_file_new_for_path (path);
g_free (path);
g_object_set_data_full (G_OBJECT (dialog->gimp),
"gimp-default-folder",
file, (GDestroyNotify) g_object_unref);
}
}
return file;
}
static void
gimp_file_dialog_real_save_state (GimpFileDialog *dialog,
const gchar *state_name)
{
g_object_set_data_full (G_OBJECT (dialog->gimp), state_name,
gimp_file_dialog_get_state (dialog),
(GDestroyNotify) gimp_file_dialog_state_destroy);
}
static void
gimp_file_dialog_real_load_state (GimpFileDialog *dialog,
const gchar *state_name)
{
GimpFileDialogState *state;
state = g_object_get_data (G_OBJECT (dialog->gimp), state_name);
if (state)
gimp_file_dialog_set_state (GIMP_FILE_DIALOG (dialog), state);
}
static GimpProgress *
gimp_file_dialog_progress_start (GimpProgress *progress,
gboolean cancellable,
const gchar *message)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (progress);
GimpProgress *retval = NULL;
if (dialog->progress)
{
retval = gimp_progress_start (GIMP_PROGRESS (dialog->progress),
cancellable, "%s", message);
gtk_widget_show (dialog->progress);
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog),
GTK_RESPONSE_CANCEL, cancellable);
}
return retval;
}
static void
gimp_file_dialog_progress_end (GimpProgress *progress)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (progress);
if (dialog->progress)
{
gimp_progress_end (GIMP_PROGRESS (dialog->progress));
gtk_widget_hide (dialog->progress);
}
}
static gboolean
gimp_file_dialog_progress_is_active (GimpProgress *progress)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (progress);
if (dialog->progress)
return gimp_progress_is_active (GIMP_PROGRESS (dialog->progress));
return FALSE;
}
static void
gimp_file_dialog_progress_set_text (GimpProgress *progress,
const gchar *message)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (progress);
if (dialog->progress)
gimp_progress_set_text_literal (GIMP_PROGRESS (dialog->progress), message);
}
static void
gimp_file_dialog_progress_set_value (GimpProgress *progress,
gdouble percentage)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (progress);
if (dialog->progress)
gimp_progress_set_value (GIMP_PROGRESS (dialog->progress), percentage);
}
static gdouble
gimp_file_dialog_progress_get_value (GimpProgress *progress)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (progress);
if (dialog->progress)
return gimp_progress_get_value (GIMP_PROGRESS (dialog->progress));
return 0.0;
}
static void
gimp_file_dialog_progress_pulse (GimpProgress *progress)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (progress);
if (dialog->progress)
gimp_progress_pulse (GIMP_PROGRESS (dialog->progress));
}
static guint32
gimp_file_dialog_progress_get_window_id (GimpProgress *progress)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (progress);
return gimp_window_get_native_id (GTK_WINDOW (dialog));
}
/* public functions */
void
gimp_file_dialog_add_extra_widget (GimpFileDialog *dialog,
GtkWidget *widget,
gboolean expand,
gboolean fill,
guint padding)
{
gtk_box_pack_start (GTK_BOX (dialog->extra_vbox),
widget, expand, fill, padding);
}
void
gimp_file_dialog_set_sensitive (GimpFileDialog *dialog,
gboolean sensitive)
{
GtkWidget *content_area;
GList *children;
GList *list;
g_return_if_fail (GIMP_IS_FILE_DIALOG (dialog));
/* bail out if we are already destroyed */
if (! dialog->progress)
return;
content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
children = gtk_container_get_children (GTK_CONTAINER (content_area));
for (list = children; list; list = g_list_next (list))
{
/* skip the last item (the action area) */
if (! g_list_next (list))
break;
gtk_widget_set_sensitive (list->data, sensitive);
}
g_list_free (children);
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog),
GTK_RESPONSE_CANCEL, sensitive);
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog),
GTK_RESPONSE_OK, sensitive);
dialog->busy = ! sensitive;
dialog->canceled = FALSE;
}
void
gimp_file_dialog_set_file_proc (GimpFileDialog *dialog,
GimpPlugInProcedure *file_proc)
{
g_return_if_fail (GIMP_IS_FILE_DIALOG (dialog));
if (file_proc != dialog->file_proc)
gimp_file_proc_view_set_proc (GIMP_FILE_PROC_VIEW (dialog->proc_view),
file_proc);
}
GFile *
gimp_file_dialog_get_default_folder (GimpFileDialog *dialog)
{
g_return_val_if_fail (GIMP_IS_FILE_DIALOG (dialog), NULL);
return GIMP_FILE_DIALOG_GET_CLASS (dialog)->get_default_folder (dialog);
}
void
gimp_file_dialog_save_state (GimpFileDialog *dialog,
const gchar *state_name)
{
g_return_if_fail (GIMP_IS_FILE_DIALOG (dialog));
GIMP_FILE_DIALOG_GET_CLASS (dialog)->save_state (dialog, state_name);
}
void
gimp_file_dialog_load_state (GimpFileDialog *dialog,
const gchar *state_name)
{
g_return_if_fail (GIMP_IS_FILE_DIALOG (dialog));
GIMP_FILE_DIALOG_GET_CLASS (dialog)->load_state (dialog, state_name);
}
/* private functions */
static void
gimp_file_dialog_add_user_dir (GimpFileDialog *dialog,
GUserDirectory directory)
{
const gchar *user_dir = g_get_user_special_dir (directory);
if (user_dir)
gtk_file_chooser_add_shortcut_folder (GTK_FILE_CHOOSER (dialog),
user_dir, NULL);
}
static void
gimp_file_dialog_add_preview (GimpFileDialog *dialog)
{
if (dialog->gimp->config->thumbnail_size <= 0)
return;
gtk_file_chooser_set_use_preview_label (GTK_FILE_CHOOSER (dialog), FALSE);
g_signal_connect (dialog, "selection-changed",
G_CALLBACK (gimp_file_dialog_selection_changed),
dialog);
g_signal_connect (dialog, "update-preview",
G_CALLBACK (gimp_file_dialog_update_preview),
dialog);
dialog->thumb_box = gimp_thumb_box_new (gimp_get_user_context (dialog->gimp));
gtk_widget_set_sensitive (GTK_WIDGET (dialog->thumb_box), FALSE);
gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER (dialog),
dialog->thumb_box);
gtk_widget_show (dialog->thumb_box);
#ifdef ENABLE_FILE_SYSTEM_ICONS
GIMP_VIEW_RENDERER_IMAGEFILE (GIMP_VIEW (GIMP_THUMB_BOX (dialog->thumb_box)->preview)->renderer)->file_system = _gtk_file_chooser_get_file_system (GTK_FILE_CHOOSER (dialog));
#endif
}
/**
* gimp_file_dialog_add_filters:
* @dialog:
* @gimp:
* @action:
* @file_procs: The image types that can be chosen from
* the file type list
* @file_procs_all_images: The additional images types shown when
* "All images" is selected
*
**/
static void
gimp_file_dialog_add_filters (GimpFileDialog *dialog)
{
GtkFileFilter *all;
GtkFileFilter *all_savable = NULL;
GSList *list;
all = gtk_file_filter_new ();
gtk_file_filter_set_name (all, _("All files"));
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), all);
gtk_file_filter_add_pattern (all, "*");
all = gtk_file_filter_new ();
gtk_file_filter_set_name (all, _("All images"));
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), all);
if (dialog->file_procs_all_images)
{
all_savable = gtk_file_filter_new ();
gtk_file_filter_set_name (all_savable, dialog->file_filter_label);
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), all_savable);
}
/* Add the normal file procs */
for (list = dialog->file_procs; list; list = g_slist_next (list))
{
GimpPlugInProcedure *file_proc = list->data;
GtkFileFilter *filter = NULL;
gimp_file_dialog_process_procedure (file_proc,
&filter,
all, all_savable);
if (filter)
{
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog),
filter);
g_object_unref (filter);
}
}
/* Add the "rest" of the file procs only as filters to
* "All images"
*/
for (list = dialog->file_procs_all_images; list; list = g_slist_next (list))
{
GimpPlugInProcedure *file_proc = list->data;
gimp_file_dialog_process_procedure (file_proc,
NULL,
all, NULL);
}
if (all_savable)
gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), all_savable);
else
gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), all);
}
/**
* gimp_file_dialog_process_procedure:
* @file_proc:
* @filter_out:
* @all:
* @all_savable:
*
* Creates a #GtkFileFilter of @file_proc and adds the extensions to
* the @all filter. The returned #GtkFileFilter has a normal ref and
* must be unreffed when used.
**/
static void
gimp_file_dialog_process_procedure (GimpPlugInProcedure *file_proc,
GtkFileFilter **filter_out,
GtkFileFilter *all,
GtkFileFilter *all_savable)
{
GtkFileFilter *filter;
GString *str;
GSList *list;
gint i;
if (! file_proc->extensions_list)
return;
filter = gtk_file_filter_new ();
str = g_string_new (gimp_procedure_get_label (GIMP_PROCEDURE (file_proc)));
/* Take ownership directly so we don't have to mess with a floating
* ref
*/
g_object_ref_sink (filter);
for (list = file_proc->mime_types_list; list; list = g_slist_next (list))
{
const gchar *mime_type = list->data;
gtk_file_filter_add_mime_type (filter, mime_type);
gtk_file_filter_add_mime_type (all, mime_type);
if (all_savable)
gtk_file_filter_add_mime_type (all_savable, mime_type);
}
for (list = file_proc->extensions_list, i = 0;
list;
list = g_slist_next (list), i++)
{
const gchar *extension = list->data;
gchar *pattern;
pattern = gimp_file_dialog_pattern_from_extension (extension);
gtk_file_filter_add_pattern (filter, pattern);
gtk_file_filter_add_pattern (all, pattern);
if (all_savable)
gtk_file_filter_add_pattern (all_savable, pattern);
g_free (pattern);
if (i == 0)
{
g_string_append (str, " (");
}
else if (i <= MAX_EXTENSIONS)
{
g_string_append (str, ", ");
}
if (i < MAX_EXTENSIONS)
{
g_string_append (str, "*.");
g_string_append (str, extension);
}
else if (i == MAX_EXTENSIONS)
{
g_string_append (str, "...");
}
if (! list->next)
{
g_string_append (str, ")");
}
}
gtk_file_filter_set_name (filter, str->str);
g_string_free (str, TRUE);
if (filter_out)
*filter_out = g_object_ref (filter);
g_object_unref (filter);
}
static void
gimp_file_dialog_add_proc_selection (GimpFileDialog *dialog)
{
GtkWidget *scrolled_window;
dialog->proc_expander = gtk_expander_new_with_mnemonic (NULL);
gimp_file_dialog_add_extra_widget (dialog,
dialog->proc_expander,
TRUE, TRUE, 0);
gtk_widget_show (dialog->proc_expander);
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (dialog->proc_expander), scrolled_window);
gtk_widget_show (scrolled_window);
gtk_widget_set_size_request (scrolled_window, -1, 200);
dialog->proc_view = gimp_file_proc_view_new (dialog->gimp,
dialog->file_procs,
dialog->automatic_label,
dialog->automatic_help_id);
gtk_container_add (GTK_CONTAINER (scrolled_window), dialog->proc_view);
gtk_widget_show (dialog->proc_view);
g_signal_connect (dialog->proc_view, "changed",
G_CALLBACK (gimp_file_dialog_proc_changed),
dialog);
gimp_file_proc_view_set_proc (GIMP_FILE_PROC_VIEW (dialog->proc_view), NULL);
}
static void
gimp_file_dialog_selection_changed (GtkFileChooser *chooser,
GimpFileDialog *dialog)
{
gimp_thumb_box_take_files (GIMP_THUMB_BOX (dialog->thumb_box),
gtk_file_chooser_get_files (chooser));
}
static void
gimp_file_dialog_update_preview (GtkFileChooser *chooser,
GimpFileDialog *dialog)
{
gimp_thumb_box_take_file (GIMP_THUMB_BOX (dialog->thumb_box),
gtk_file_chooser_get_preview_file (chooser));
}
static void
gimp_file_dialog_proc_changed (GimpFileProcView *view,
GimpFileDialog *dialog)
{
GtkFileChooser *chooser = GTK_FILE_CHOOSER (dialog);
gchar *name;
dialog->file_proc = gimp_file_proc_view_get_proc (view, &name);
if (name)
{
gchar *label = g_strdup_printf (_("Select File _Type (%s)"), name);
gtk_expander_set_label (GTK_EXPANDER (dialog->proc_expander), label);
g_free (label);
g_free (name);
}
if (gtk_file_chooser_get_action (chooser) == GTK_FILE_CHOOSER_ACTION_SAVE)
{
GimpPlugInProcedure *proc = dialog->file_proc;
if (proc && proc->extensions_list)
{
gchar *uri = gtk_file_chooser_get_uri (chooser);
if (uri && strlen (uri))
{
const gchar *last_dot = strrchr (uri, '.');
/* if the dot is before the last slash, ignore it */
if (last_dot && strrchr (uri, '/') > last_dot)
last_dot = NULL;
/* check if the uri has a "meta extension" (e.g. foo.bar.gz)
* and try to truncate both extensions away.
*/
if (last_dot && last_dot != uri)
{
GList *list;
for (list = view->meta_extensions;
list;
list = g_list_next (list))
{
const gchar *ext = list->data;
if (! strcmp (ext, last_dot + 1))
{
const gchar *p = last_dot - 1;
while (p > uri && *p != '.')
p--;
if (p != uri && *p == '.')
{
last_dot = p;
break;
}
}
}
}
if (last_dot != uri)
{
GString *s = g_string_new (uri);
GFile *file;
gchar *basename;
if (last_dot)
g_string_truncate (s, last_dot - uri);
g_string_append (s, ".");
g_string_append (s, (gchar *) proc->extensions_list->data);
file = g_file_new_for_uri (s->str);
g_string_free (s, TRUE);
gtk_file_chooser_set_file (chooser, file, NULL);
basename = g_path_get_basename (gimp_file_get_utf8_name (file));
gtk_file_chooser_set_current_name (chooser, basename);
g_free (basename);
}
}
g_free (uri);
}
}
}
static void
gimp_file_dialog_help_func (const gchar *help_id,
gpointer help_data)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (help_data);
GtkWidget *focus;
focus = gtk_window_get_focus (GTK_WINDOW (dialog));
if (focus == dialog->proc_view)
{
gchar *proc_help_id;
proc_help_id =
gimp_file_proc_view_get_help_id (GIMP_FILE_PROC_VIEW (dialog->proc_view));
gimp_standard_help_func (proc_help_id, NULL);
g_free (proc_help_id);
}
else
{
gimp_standard_help_func (help_id, NULL);
}
}
static void
gimp_file_dialog_help_clicked (GtkWidget *widget,
gpointer dialog)
{
gimp_standard_help_func (g_object_get_data (dialog, "gimp-dialog-help-id"),
NULL);
}
static gchar *
gimp_file_dialog_pattern_from_extension (const gchar *extension)
{
gchar *pattern;
gchar *p;
gint len, i;
g_return_val_if_fail (extension != NULL, NULL);
/* This function assumes that file extensions are 7bit ASCII. It
* could certainly be rewritten to handle UTF-8 if this assumption
* turns out to be incorrect.
*/
len = strlen (extension);
pattern = g_new (gchar, 4 + 4 * len);
strcpy (pattern, "*.");
for (i = 0, p = pattern + 2; i < len; i++, p+= 4)
{
p[0] = '[';
p[1] = g_ascii_tolower (extension[i]);
p[2] = g_ascii_toupper (extension[i]);
p[3] = ']';
}
*p = '\0';
return pattern;
}
static GimpFileDialogState *
gimp_file_dialog_get_state (GimpFileDialog *dialog)
{
GimpFileDialogState *state;
GtkFileFilter *filter;
g_return_val_if_fail (GIMP_IS_FILE_DIALOG (dialog), NULL);
state = g_slice_new0 (GimpFileDialogState);
filter = gtk_file_chooser_get_filter (GTK_FILE_CHOOSER (dialog));
if (filter)
state->filter_name = g_strdup (gtk_file_filter_get_name (filter));
return state;
}
static void
gimp_file_dialog_set_state (GimpFileDialog *dialog,
GimpFileDialogState *state)
{
g_return_if_fail (GIMP_IS_FILE_DIALOG (dialog));
g_return_if_fail (state != NULL);
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);
}
}
static void
gimp_file_dialog_state_destroy (GimpFileDialogState *state)
{
g_return_if_fail (state != NULL);
g_free (state->filter_name);
g_slice_free (GimpFileDialogState, state);
}
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