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

280 lines
8.9 KiB
C

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikabase/pikabase.h"
#include "libpikawidgets/pikawidgets.h"
#include "dialogs-types.h"
#include "core/pika.h"
#include "core/pikaimage.h"
#include "core/pikaimage-undo.h"
#include "core/pikalayer.h"
#include "core/pikaprogress.h"
#include "file/file-open.h"
#include "file/pika-file.h"
#include "widgets/pikafiledialog.h"
#include "widgets/pikahelp-ids.h"
#include "widgets/pikaopendialog.h"
#include "widgets/pikawidgets-utils.h"
#include "file-open-dialog.h"
#include "pika-intl.h"
/* local function prototypes */
static void file_open_dialog_response (GtkWidget *dialog,
gint response_id,
Pika *pika);
static PikaImage *file_open_dialog_open_image (GtkWidget *dialog,
Pika *pika,
GFile *file,
PikaPlugInProcedure *load_proc);
static gboolean file_open_dialog_open_layers (GtkWidget *dialog,
PikaImage *image,
GFile *file,
PikaPlugInProcedure *load_proc);
/* public functions */
GtkWidget *
file_open_dialog_new (Pika *pika)
{
GtkWidget *dialog;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
dialog = pika_open_dialog_new (pika);
gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), TRUE);
pika_file_dialog_load_state (PIKA_FILE_DIALOG (dialog),
"pika-file-open-dialog-state");
g_signal_connect (dialog, "response",
G_CALLBACK (file_open_dialog_response),
pika);
return dialog;
}
/* private functions */
static void
file_open_dialog_response (GtkWidget *dialog,
gint response_id,
Pika *pika)
{
PikaFileDialog *file_dialog = PIKA_FILE_DIALOG (dialog);
PikaOpenDialog *open_dialog = PIKA_OPEN_DIALOG (dialog);
GSList *files;
GSList *list;
gboolean success = FALSE;
pika_file_dialog_save_state (PIKA_FILE_DIALOG (dialog),
"pika-file-open-dialog-state");
if (response_id != GTK_RESPONSE_OK)
{
if (! file_dialog->busy && response_id != GTK_RESPONSE_HELP)
gtk_widget_destroy (dialog);
return;
}
files = gtk_file_chooser_get_files (GTK_FILE_CHOOSER (dialog));
if (files)
g_object_set_data_full (G_OBJECT (pika), PIKA_FILE_OPEN_LAST_FILE_KEY,
g_object_ref (files->data),
(GDestroyNotify) g_object_unref);
pika_file_dialog_set_sensitive (file_dialog, FALSE);
/* When we are going to open new image windows, unset the transient
* window. We don't need it since we will use gdk_window_raise() to
* keep the dialog on top. And if we don't do it, then the dialog
* will pull the image window it was invoked from on top of all the
* new opened image windows, and we don't want that to happen.
*/
if (! open_dialog->open_as_layers)
gtk_window_set_transient_for (GTK_WINDOW (dialog), NULL);
if (file_dialog->image)
g_object_ref (file_dialog->image);
for (list = files; list; list = g_slist_next (list))
{
GFile *file = list->data;
if (open_dialog->open_as_layers)
{
if (! file_dialog->image)
{
pika_open_dialog_set_image (
open_dialog,
file_open_dialog_open_image (dialog,
pika,
file,
file_dialog->file_proc),
TRUE);
if (file_dialog->image)
{
g_object_ref (file_dialog->image);
success = TRUE;
}
}
else if (file_open_dialog_open_layers (dialog,
file_dialog->image,
file,
file_dialog->file_proc))
{
success = TRUE;
}
}
else
{
if (file_open_dialog_open_image (dialog,
pika,
file,
file_dialog->file_proc))
{
success = TRUE;
/* Make the dialog stay on top of all images we open if
* we open say 10 at once
*/
gdk_window_raise (gtk_widget_get_window (dialog));
}
}
if (file_dialog->canceled)
break;
}
if (success)
{
if (file_dialog->image)
{
if (open_dialog->open_as_layers)
pika_image_flush (file_dialog->image);
g_object_unref (file_dialog->image);
}
gtk_widget_destroy (dialog);
}
else
{
if (file_dialog->image)
g_object_unref (file_dialog->image);
pika_file_dialog_set_sensitive (file_dialog, TRUE);
}
g_slist_free_full (files, (GDestroyNotify) g_object_unref);
}
static PikaImage *
file_open_dialog_open_image (GtkWidget *dialog,
Pika *pika,
GFile *file,
PikaPlugInProcedure *load_proc)
{
PikaImage *image;
PikaPDBStatusType status;
GError *error = NULL;
image = file_open_with_proc_and_display (pika,
pika_get_user_context (pika),
PIKA_PROGRESS (dialog),
file, FALSE,
load_proc,
G_OBJECT (pika_widget_get_monitor (dialog)),
&status, &error);
if (! image && status != PIKA_PDB_SUCCESS && status != PIKA_PDB_CANCEL)
{
pika_message (pika, G_OBJECT (dialog), PIKA_MESSAGE_ERROR,
_("Opening '%s' failed:\n\n%s"),
pika_file_get_utf8_name (file), error->message);
g_clear_error (&error);
}
return image;
}
static gboolean
file_open_dialog_open_layers (GtkWidget *dialog,
PikaImage *image,
GFile *file,
PikaPlugInProcedure *load_proc)
{
GList *new_layers;
PikaPDBStatusType status;
GError *error = NULL;
new_layers = file_open_layers (image->pika,
pika_get_user_context (image->pika),
PIKA_PROGRESS (dialog),
image, FALSE,
file, PIKA_RUN_INTERACTIVE, load_proc,
&status, &error);
if (new_layers)
{
pika_image_add_layers (image, new_layers,
PIKA_IMAGE_ACTIVE_PARENT, -1,
0, 0,
pika_image_get_width (image),
pika_image_get_height (image),
_("Open layers"));
g_list_free (new_layers);
return TRUE;
}
else if (status != PIKA_PDB_CANCEL)
{
pika_message (image->pika, G_OBJECT (dialog), PIKA_MESSAGE_ERROR,
_("Opening '%s' failed:\n\n%s"),
pika_file_get_utf8_name (file), error->message);
g_clear_error (&error);
}
return FALSE;
}