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gimp/app/dialogs/file-open-dialog.c
Michael Natterer 725a4e414f added value GIMP_UNDO_GROUP_LAYER_ADD. 
2006-11-03  Michael Natterer  <mitch@gimp.org>

	* app/core/core-enums.[ch] (enum GimpUndoType): added value
	GIMP_UNDO_GROUP_LAYER_ADD.

	* app/file/file-open.[ch]: changed file_open_layer() to
	file_open_layers(), added parameter "gboolean merge_visible",
	return a GList of layers.

	* app/dialogs/file-open-dialog.c
	* app/display/gimpdisplayshell-dnd.c
	* app/widgets/gimplayertreeview.c: pass merge_visible = FALSE and
	add all returned layers to the image. Fixes bug #358082.
	(contains lots of duplicated code, will factor that out later).

	* tools/pdbgen/pdb/fileops.pdb (load_layer): pass merge_visible = TRUE
	(load_layers): new wrapper which returns all the image's layers.

	* app/pdb/fileops_cmds.c
	* app/pdb/internal_procs.c
	* libgimp/gimpfileops_pdb.[ch]: regenerated.

	* libgimp/gimp.def: changed accordingly.
2006-11-03 17:12:27 +00:00

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/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.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 "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 gboolean 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;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
dialog = gimp_file_dialog_new (gimp,
GTK_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);
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;
if (response_id != GTK_RESPONSE_OK)
{
if (! dialog->busy)
gtk_widget_hide (open_dialog);
return;
}
uris = gtk_file_chooser_get_uris (GTK_FILE_CHOOSER (open_dialog));
gimp_file_dialog_set_sensitive (dialog, FALSE);
/* open layers in reverse order so they appear in the same
* order as in the file dialog
*/
if (dialog->image)
uris = g_slist_reverse (uris);
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->image)
{
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)
{
gtk_widget_hide (open_dialog);
if (dialog->image)
gimp_image_flush (dialog->image);
}
gimp_file_dialog_set_sensitive (dialog, TRUE);
g_slist_foreach (uris, (GFunc) g_free, NULL);
g_slist_free (uris);
}
static gboolean
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,
load_proc,
&status,
&error);
if (image)
{
return TRUE;
}
else if (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 FALSE;
}
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)
{
GList *list;
gint image_width = gimp_image_get_width (image);
gint image_height = gimp_image_get_height (image);
gint layers_x = G_MAXINT;
gint layers_y = G_MAXINT;
gint layers_width = 0;
gint layers_height = 0;
gint offset_x;
gint offset_y;
for (list = new_layers; list; list = g_list_next (list))
{
GimpItem *item = GIMP_ITEM (list->data);
gint off_x, off_y;
gimp_item_offsets (item, &off_x, &off_y);
layers_x = MIN (layers_x, off_x);
layers_y = MIN (layers_y, off_y);
layers_width = MAX (layers_width,
off_x + gimp_item_width (item) - layers_x);
layers_height = MAX (layers_height,
off_y + gimp_item_height (item) - layers_y);
}
offset_x = (image_width - layers_width) / 2 - layers_x;
offset_y = (image_height - layers_height) / 2 - layers_y;
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_LAYER_ADD,
_("Open layers"));
for (list = new_layers; list; list = g_list_next (list))
{
GimpItem *item = GIMP_ITEM (list->data);
gimp_item_translate (item, offset_x, offset_y, FALSE);
gimp_image_add_layer (image, GIMP_LAYER (item), -1);
}
gimp_image_undo_group_end (image);
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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