280 lines
8.9 KiB
C
280 lines
8.9 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995, 1996, 1997 Spencer Kimball and Peter Mattis
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* Copyright (C) 1997 Josh MacDonald
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "dialogs-types.h"
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#include "core/pika.h"
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#include "core/pikaimage.h"
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#include "core/pikaimage-undo.h"
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#include "core/pikalayer.h"
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#include "core/pikaprogress.h"
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#include "file/file-open.h"
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#include "file/pika-file.h"
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#include "widgets/pikafiledialog.h"
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#include "widgets/pikahelp-ids.h"
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#include "widgets/pikaopendialog.h"
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#include "widgets/pikawidgets-utils.h"
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#include "file-open-dialog.h"
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#include "pika-intl.h"
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/* local function prototypes */
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static void file_open_dialog_response (GtkWidget *dialog,
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gint response_id,
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Pika *pika);
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static PikaImage *file_open_dialog_open_image (GtkWidget *dialog,
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Pika *pika,
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GFile *file,
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PikaPlugInProcedure *load_proc);
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static gboolean file_open_dialog_open_layers (GtkWidget *dialog,
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PikaImage *image,
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GFile *file,
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PikaPlugInProcedure *load_proc);
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/* public functions */
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GtkWidget *
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file_open_dialog_new (Pika *pika)
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{
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GtkWidget *dialog;
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g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
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dialog = pika_open_dialog_new (pika);
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gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), TRUE);
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pika_file_dialog_load_state (PIKA_FILE_DIALOG (dialog),
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"pika-file-open-dialog-state");
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g_signal_connect (dialog, "response",
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G_CALLBACK (file_open_dialog_response),
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pika);
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return dialog;
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}
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/* private functions */
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static void
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file_open_dialog_response (GtkWidget *dialog,
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gint response_id,
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Pika *pika)
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{
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PikaFileDialog *file_dialog = PIKA_FILE_DIALOG (dialog);
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PikaOpenDialog *open_dialog = PIKA_OPEN_DIALOG (dialog);
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GSList *files;
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GSList *list;
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gboolean success = FALSE;
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pika_file_dialog_save_state (PIKA_FILE_DIALOG (dialog),
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"pika-file-open-dialog-state");
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if (response_id != GTK_RESPONSE_OK)
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{
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if (! file_dialog->busy && response_id != GTK_RESPONSE_HELP)
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gtk_widget_destroy (dialog);
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return;
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}
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files = gtk_file_chooser_get_files (GTK_FILE_CHOOSER (dialog));
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if (files)
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g_object_set_data_full (G_OBJECT (pika), PIKA_FILE_OPEN_LAST_FILE_KEY,
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g_object_ref (files->data),
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(GDestroyNotify) g_object_unref);
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pika_file_dialog_set_sensitive (file_dialog, FALSE);
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/* When we are going to open new image windows, unset the transient
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* window. We don't need it since we will use gdk_window_raise() to
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* keep the dialog on top. And if we don't do it, then the dialog
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* will pull the image window it was invoked from on top of all the
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* new opened image windows, and we don't want that to happen.
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*/
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if (! open_dialog->open_as_layers)
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gtk_window_set_transient_for (GTK_WINDOW (dialog), NULL);
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if (file_dialog->image)
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g_object_ref (file_dialog->image);
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for (list = files; list; list = g_slist_next (list))
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{
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GFile *file = list->data;
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if (open_dialog->open_as_layers)
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{
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if (! file_dialog->image)
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{
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pika_open_dialog_set_image (
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open_dialog,
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file_open_dialog_open_image (dialog,
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pika,
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file,
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file_dialog->file_proc),
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TRUE);
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if (file_dialog->image)
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{
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g_object_ref (file_dialog->image);
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success = TRUE;
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}
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}
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else if (file_open_dialog_open_layers (dialog,
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file_dialog->image,
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file,
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file_dialog->file_proc))
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{
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success = TRUE;
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}
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}
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else
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{
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if (file_open_dialog_open_image (dialog,
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pika,
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file,
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file_dialog->file_proc))
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{
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success = TRUE;
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/* Make the dialog stay on top of all images we open if
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* we open say 10 at once
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*/
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gdk_window_raise (gtk_widget_get_window (dialog));
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}
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}
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if (file_dialog->canceled)
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break;
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}
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if (success)
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{
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if (file_dialog->image)
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{
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if (open_dialog->open_as_layers)
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pika_image_flush (file_dialog->image);
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g_object_unref (file_dialog->image);
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}
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gtk_widget_destroy (dialog);
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}
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else
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{
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if (file_dialog->image)
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g_object_unref (file_dialog->image);
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pika_file_dialog_set_sensitive (file_dialog, TRUE);
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}
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g_slist_free_full (files, (GDestroyNotify) g_object_unref);
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}
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static PikaImage *
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file_open_dialog_open_image (GtkWidget *dialog,
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Pika *pika,
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GFile *file,
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PikaPlugInProcedure *load_proc)
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{
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PikaImage *image;
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PikaPDBStatusType status;
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GError *error = NULL;
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image = file_open_with_proc_and_display (pika,
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pika_get_user_context (pika),
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PIKA_PROGRESS (dialog),
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file, FALSE,
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load_proc,
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G_OBJECT (pika_widget_get_monitor (dialog)),
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&status, &error);
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if (! image && status != PIKA_PDB_SUCCESS && status != PIKA_PDB_CANCEL)
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{
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pika_message (pika, G_OBJECT (dialog), PIKA_MESSAGE_ERROR,
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_("Opening '%s' failed:\n\n%s"),
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pika_file_get_utf8_name (file), error->message);
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g_clear_error (&error);
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}
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return image;
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}
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static gboolean
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file_open_dialog_open_layers (GtkWidget *dialog,
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PikaImage *image,
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GFile *file,
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PikaPlugInProcedure *load_proc)
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{
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GList *new_layers;
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PikaPDBStatusType status;
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GError *error = NULL;
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new_layers = file_open_layers (image->pika,
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pika_get_user_context (image->pika),
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PIKA_PROGRESS (dialog),
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image, FALSE,
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file, PIKA_RUN_INTERACTIVE, load_proc,
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&status, &error);
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if (new_layers)
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{
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pika_image_add_layers (image, new_layers,
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PIKA_IMAGE_ACTIVE_PARENT, -1,
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0, 0,
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pika_image_get_width (image),
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pika_image_get_height (image),
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_("Open layers"));
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g_list_free (new_layers);
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return TRUE;
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}
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else if (status != PIKA_PDB_CANCEL)
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{
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pika_message (image->pika, G_OBJECT (dialog), PIKA_MESSAGE_ERROR,
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_("Opening '%s' failed:\n\n%s"),
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pika_file_get_utf8_name (file), error->message);
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g_clear_error (&error);
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}
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return FALSE;
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}
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