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gimp/app/dialogs/file-open-dialog.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995, 1996, 1997 Spencer Kimball and Peter Mattis
* Copyright (C) 1997 Josh MacDonald
*
* 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 <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "dialogs-types.h"
#include "core/gimp.h"
#include "core/gimpimage.h"
#include "core/gimpimage-undo.h"
#include "core/gimplayer.h"
#include "core/gimpprogress.h"
#include "file/file-open.h"
#include "file/file-utils.h"
#include "file/gimp-file.h"
#include "widgets/gimpfiledialog.h"
#include "widgets/gimphelp-ids.h"
#include "file-open-dialog.h"
#include "gimp-intl.h"
/* local function prototypes */
static void file_open_dialog_response (GtkWidget *open_dialog,
gint response_id,
Gimp *gimp);
static GimpImage *file_open_dialog_open_image (GtkWidget *open_dialog,
Gimp *gimp,
const gchar *uri,
const gchar *entered_filename,
GimpPlugInProcedure *load_proc);
static gboolean file_open_dialog_open_layers (GtkWidget *open_dialog,
GimpImage *image,
const gchar *uri,
const gchar *entered_filename,
GimpPlugInProcedure *load_proc);
/* public functions */
GtkWidget *
file_open_dialog_new (Gimp *gimp)
{
GtkWidget *dialog;
GimpFileDialogState *state;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
dialog = gimp_file_dialog_new (gimp,
GIMP_FILE_CHOOSER_ACTION_OPEN,
_("Open Image"), "gimp-file-open",
GTK_STOCK_OPEN,
GIMP_HELP_FILE_OPEN);
gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), TRUE);
state = g_object_get_data (G_OBJECT (gimp), "gimp-file-open-dialog-state");
if (state)
gimp_file_dialog_set_state (GIMP_FILE_DIALOG (dialog), state);
g_signal_connect (dialog, "response",
G_CALLBACK (file_open_dialog_response),
gimp);
return dialog;
}
/* private functions */
static void
file_open_dialog_response (GtkWidget *open_dialog,
gint response_id,
Gimp *gimp)
{
GimpFileDialog *dialog = GIMP_FILE_DIALOG (open_dialog);
GSList *uris;
GSList *list;
gboolean success = FALSE;
g_object_set_data_full (G_OBJECT (gimp), "gimp-file-open-dialog-state",
gimp_file_dialog_get_state (dialog),
(GDestroyNotify) gimp_file_dialog_state_destroy);
if (response_id != GTK_RESPONSE_OK)
{
if (! dialog->busy)
gtk_widget_destroy (open_dialog);
return;
}
uris = gtk_file_chooser_get_uris (GTK_FILE_CHOOSER (open_dialog));
if (uris)
g_object_set_data_full (G_OBJECT (gimp), GIMP_FILE_OPEN_LAST_URI_KEY,
g_strdup (uris->data), (GDestroyNotify) g_free);
gimp_file_dialog_set_sensitive (dialog, FALSE);
for (list = uris; list; list = g_slist_next (list))
{
gchar *filename = file_utils_filename_from_uri (list->data);
if (filename)
{
gboolean regular = g_file_test (filename, G_FILE_TEST_IS_REGULAR);
g_free (filename);
if (! regular)
continue;
}
if (dialog->open_as_layers)
{
if (! dialog->image)
{
dialog->image = file_open_dialog_open_image (open_dialog,
gimp,
list->data,
list->data,
dialog->file_proc);
if (dialog->image)
success = TRUE;
}
else if (file_open_dialog_open_layers (open_dialog,
dialog->image,
list->data,
list->data,
dialog->file_proc))
{
success = TRUE;
}
}
else
{
if (file_open_dialog_open_image (open_dialog,
gimp,
list->data,
list->data,
dialog->file_proc))
{
success = TRUE;
gdk_window_raise (open_dialog->window);
}
}
if (dialog->canceled)
break;
}
if (success)
{
if (dialog->open_as_layers && dialog->image)
gimp_image_flush (dialog->image);
gtk_widget_destroy (open_dialog);
}
else
{
gimp_file_dialog_set_sensitive (dialog, TRUE);
}
g_slist_foreach (uris, (GFunc) g_free, NULL);
g_slist_free (uris);
}
static GimpImage *
file_open_dialog_open_image (GtkWidget *open_dialog,
Gimp *gimp,
const gchar *uri,
const gchar *entered_filename,
GimpPlugInProcedure *load_proc)
{
GimpImage *image;
GimpPDBStatusType status;
GError *error = NULL;
image = file_open_with_proc_and_display (gimp,
gimp_get_user_context (gimp),
GIMP_PROGRESS (open_dialog),
uri, entered_filename, FALSE,
load_proc,
&status, &error);
if (! image && status != GIMP_PDB_CANCEL)
{
gchar *filename = file_utils_uri_display_name (uri);
gimp_message (gimp, G_OBJECT (open_dialog), GIMP_MESSAGE_ERROR,
_("Opening '%s' failed:\n\n%s"), filename, error->message);
g_clear_error (&error);
g_free (filename);
}
return image;
}
static gboolean
file_open_dialog_open_layers (GtkWidget *open_dialog,
GimpImage *image,
const gchar *uri,
const gchar *entered_filename,
GimpPlugInProcedure *load_proc)
{
GList *new_layers;
GimpPDBStatusType status;
GError *error = NULL;
new_layers = file_open_layers (image->gimp,
gimp_get_user_context (image->gimp),
GIMP_PROGRESS (open_dialog),
image, FALSE,
uri, GIMP_RUN_INTERACTIVE, load_proc,
&status, &error);
if (new_layers)
{
gimp_image_add_layers (image, new_layers,
GIMP_IMAGE_ACTIVE_PARENT, -1,
0, 0,
gimp_image_get_width (image),
gimp_image_get_height (image),
_("Open layers"));
g_list_free (new_layers);
return TRUE;
}
else if (status != GIMP_PDB_CANCEL)
{
gchar *filename = file_utils_uri_display_name (uri);
gimp_message (image->gimp, G_OBJECT (open_dialog), GIMP_MESSAGE_ERROR,
_("Opening '%s' failed:\n\n%s"), filename, error->message);
g_clear_error (&error);
g_free (filename);
}
return FALSE;
}
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