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-rw-r--r--app/widgets/gimpsavedialog.c477
1 files changed, 477 insertions, 0 deletions
diff --git a/app/widgets/gimpsavedialog.c b/app/widgets/gimpsavedialog.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpsavedialog.c
+ * Copyright (C) 2015 Jehan <jehan@girinstud.io>
+ *
+ * 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 <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+#include "core/gimp-utils.h"
+#include "core/gimpimage.h"
+#include "core/gimpimage-metadata.h"
+
+#include "file/gimp-file.h"
+
+#include "gimphelp-ids.h"
+#include "gimpsavedialog.h"
+
+#include "gimp-intl.h"
+
+
+typedef struct _GimpSaveDialogState GimpSaveDialogState;
+
+struct _GimpSaveDialogState
+{
+ gchar *filter_name;
+ gboolean compression;
+};
+
+
+static void gimp_save_dialog_constructed (GObject *object);
+
+static void gimp_save_dialog_save_state (GimpFileDialog *dialog,
+ const gchar *state_name);
+static void gimp_save_dialog_load_state (GimpFileDialog *dialog,
+ const gchar *state_name);
+
+static void gimp_save_dialog_add_extra_widgets (GimpSaveDialog *dialog);
+static void gimp_save_dialog_compression_toggled
+ (GtkToggleButton *button,
+ GimpSaveDialog *dialog);
+
+static GimpSaveDialogState
+ * gimp_save_dialog_get_state (GimpSaveDialog *dialog);
+static void gimp_save_dialog_set_state (GimpSaveDialog *dialog,
+ GimpSaveDialogState *state);
+static void gimp_save_dialog_state_destroy (GimpSaveDialogState *state);
+
+
+G_DEFINE_TYPE (GimpSaveDialog, gimp_save_dialog,
+ GIMP_TYPE_FILE_DIALOG)
+
+#define parent_class gimp_save_dialog_parent_class
+
+
+static void
+gimp_save_dialog_class_init (GimpSaveDialogClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpFileDialogClass *fd_class = GIMP_FILE_DIALOG_CLASS (klass);
+
+ object_class->constructed = gimp_save_dialog_constructed;
+
+ fd_class->save_state = gimp_save_dialog_save_state;
+ fd_class->load_state = gimp_save_dialog_load_state;
+}
+
+static void
+gimp_save_dialog_init (GimpSaveDialog *dialog)
+{
+}
+
+static void
+gimp_save_dialog_constructed (GObject *object)
+{
+ GimpSaveDialog *dialog = GIMP_SAVE_DIALOG (object);
+
+ /* GimpFileDialog's constructed() is doing a few initialization
+ * common to all file dialogs.
+ */
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ gimp_save_dialog_add_extra_widgets (dialog);
+}
+
+static void
+gimp_save_dialog_save_state (GimpFileDialog *dialog,
+ const gchar *state_name)
+{
+ g_object_set_data_full (G_OBJECT (dialog->gimp), state_name,
+ gimp_save_dialog_get_state (GIMP_SAVE_DIALOG (dialog)),
+ (GDestroyNotify) gimp_save_dialog_state_destroy);
+}
+
+static void
+gimp_save_dialog_load_state (GimpFileDialog *dialog,
+ const gchar *state_name)
+{
+ GimpSaveDialogState *state;
+
+ state = g_object_get_data (G_OBJECT (dialog->gimp), state_name);
+
+ if (state)
+ gimp_save_dialog_set_state (GIMP_SAVE_DIALOG (dialog), state);
+}
+
+
+/* public functions */
+
+GtkWidget *
+gimp_save_dialog_new (Gimp *gimp)
+{
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+ return g_object_new (GIMP_TYPE_SAVE_DIALOG,
+ "gimp", gimp,
+ "title", _("Save Image"),
+ "role", "gimp-file-save",
+ "help-id", GIMP_HELP_FILE_SAVE,
+ "ok-button-label", _("_Save"),
+
+ "automatic-label", _("By Extension"),
+ "automatic-help-id", GIMP_HELP_FILE_SAVE_BY_EXTENSION,
+
+ "action", GTK_FILE_CHOOSER_ACTION_SAVE,
+ "file-procs", GIMP_FILE_PROCEDURE_GROUP_SAVE,
+ "file-procs-all-images", GIMP_FILE_PROCEDURE_GROUP_EXPORT,
+ "file-filter-label", _("All XCF images"),
+ NULL);
+}
+
+void
+gimp_save_dialog_set_image (GimpSaveDialog *dialog,
+ GimpImage *image,
+ gboolean save_a_copy,
+ gboolean close_after_saving,
+ GimpObject *display)
+{
+ GimpFileDialog *file_dialog;
+ GtkWidget *compression_toggle;
+ GFile *dir_file = NULL;
+ GFile *name_file = NULL;
+ GFile *ext_file = NULL;
+ gchar *basename;
+ const gchar *version_string;
+ gint rle_version;
+ gint zlib_version;
+
+ g_return_if_fail (GIMP_IS_SAVE_DIALOG (dialog));
+ g_return_if_fail (GIMP_IS_IMAGE (image));
+
+ file_dialog = GIMP_FILE_DIALOG (dialog);
+
+ file_dialog->image = image;
+ dialog->save_a_copy = save_a_copy;
+ dialog->close_after_saving = close_after_saving;
+ dialog->display_to_close = display;
+
+ gimp_file_dialog_set_file_proc (file_dialog, NULL);
+
+ /*
+ * Priority of default paths for Save:
+ *
+ * 1. Last Save a copy-path (applies only to Save a copy)
+ * 2. Last Save path
+ * 3. Path of source XCF
+ * 4. Path of Import source
+ * 5. Last Save path of any GIMP document
+ * 6. The default path (usually the OS 'Documents' path)
+ */
+
+ if (save_a_copy)
+ dir_file = gimp_image_get_save_a_copy_file (image);
+
+ if (! dir_file)
+ dir_file = gimp_image_get_file (image);
+
+ if (! dir_file)
+ dir_file = g_object_get_data (G_OBJECT (image),
+ "gimp-image-source-file");
+
+ if (! dir_file)
+ dir_file = gimp_image_get_imported_file (image);
+
+ if (! dir_file)
+ dir_file = g_object_get_data (G_OBJECT (file_dialog->gimp),
+ GIMP_FILE_SAVE_LAST_FILE_KEY);
+
+ if (! dir_file)
+ dir_file = gimp_file_dialog_get_default_folder (file_dialog);
+
+
+ /* Priority of default basenames for Save:
+ *
+ * 1. Last Save a copy-name (applies only to Save a copy)
+ * 2. Last Save name
+ * 3. Last Export name
+ * 3. The source image path
+ * 3. 'Untitled'
+ */
+
+ if (save_a_copy)
+ name_file = gimp_image_get_save_a_copy_file (image);
+
+ if (! name_file)
+ name_file = gimp_image_get_file (image);
+
+ if (! name_file)
+ name_file = gimp_image_get_exported_file (image);
+
+ if (! name_file)
+ name_file = gimp_image_get_imported_file (image);
+
+ if (! name_file)
+ name_file = gimp_image_get_untitled_file (image);
+
+
+ /* Priority of default type/extension for Save:
+ *
+ * 1. Type of last Save
+ * 2. .xcf (which we don't explicitly append)
+ */
+
+ ext_file = gimp_image_get_file (image);
+
+ if (ext_file)
+ g_object_ref (ext_file);
+ else
+ ext_file = g_file_new_for_uri ("file:///we/only/care/about/extension.xcf");
+
+ gimp_image_get_xcf_version (image, FALSE, &rle_version,
+ &version_string, NULL);
+ gimp_image_get_xcf_version (image, TRUE, &zlib_version,
+ NULL, NULL);
+ if (rle_version != zlib_version)
+ {
+ GtkWidget *label;
+ gchar *text;
+
+ text = g_strdup_printf (_("Keep compression disabled to make the XCF "
+ "file readable by %s and later."),
+ version_string);
+ label = gtk_label_new (text);
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gimp_label_set_attributes (GTK_LABEL (label),
+ PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
+ -1);
+ gtk_container_add (GTK_CONTAINER (dialog->compression_frame),
+ label);
+ gtk_widget_show (label);
+ g_free (text);
+ }
+
+ compression_toggle = gtk_frame_get_label_widget (GTK_FRAME (dialog->compression_frame));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (compression_toggle),
+ gimp_image_get_xcf_compression (image));
+ /* Force a "toggled" signal since gtk_toggle_button_set_active() won't
+ * send it if the button status doesn't change.
+ */
+ gtk_toggle_button_toggled (GTK_TOGGLE_BUTTON (compression_toggle));
+
+ if (ext_file)
+ {
+ GFile *tmp_file = gimp_file_with_new_extension (name_file, ext_file);
+ basename = g_path_get_basename (gimp_file_get_utf8_name (tmp_file));
+ g_object_unref (tmp_file);
+ g_object_unref (ext_file);
+ }
+ else
+ {
+ basename = g_path_get_basename (gimp_file_get_utf8_name (name_file));
+ }
+
+ if (g_file_query_file_type (dir_file, G_FILE_QUERY_INFO_NONE, NULL) ==
+ G_FILE_TYPE_DIRECTORY)
+ {
+ gtk_file_chooser_set_current_folder_file (GTK_FILE_CHOOSER (dialog),
+ dir_file, NULL);
+ }
+ else
+ {
+ GFile *parent_file = g_file_get_parent (dir_file);
+ gtk_file_chooser_set_current_folder_file (GTK_FILE_CHOOSER (dialog),
+ parent_file, NULL);
+ g_object_unref (parent_file);
+ }
+
+ gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (dialog), basename);
+ g_free (basename);
+}
+
+
+/* private functions */
+
+static void
+gimp_save_dialog_add_extra_widgets (GimpSaveDialog *dialog)
+{
+ GtkWidget *label;
+ GtkWidget *reasons;
+ GtkWidget *compression_toggle;
+
+ /* Compression toggle. */
+ compression_toggle =
+ gtk_check_button_new_with_mnemonic (_("Save this _XCF file with better but slower compression"));
+ gtk_widget_set_tooltip_text (compression_toggle,
+ _("On edge cases, better compression algorithms might still "
+ "end up on bigger file size; manual check recommended"));
+
+ dialog->compression_frame = gimp_frame_new (NULL);
+ gtk_frame_set_label_widget (GTK_FRAME (dialog->compression_frame), compression_toggle);
+ gtk_widget_show (compression_toggle);
+ gimp_file_dialog_add_extra_widget (GIMP_FILE_DIALOG (dialog), dialog->compression_frame,
+ FALSE, FALSE, 0);
+ gtk_widget_show (dialog->compression_frame);
+
+ /* Additional information explaining file compatibility things */
+ dialog->compat_info = gtk_expander_new (NULL);
+ label = gtk_label_new ("");
+ gtk_expander_set_label_widget (GTK_EXPANDER (dialog->compat_info), label);
+ gtk_widget_show (label);
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+
+ reasons = gtk_text_view_new ();
+ gtk_text_view_set_editable (GTK_TEXT_VIEW (reasons), FALSE);
+ gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (reasons), FALSE);
+ gtk_container_add (GTK_CONTAINER (dialog->compat_info), reasons);
+ gtk_widget_show (reasons);
+
+ gimp_file_dialog_add_extra_widget (GIMP_FILE_DIALOG (dialog),
+ dialog->compat_info,
+ FALSE, FALSE, 0);
+ gtk_widget_show (dialog->compat_info);
+
+ g_signal_connect (compression_toggle, "toggled",
+ G_CALLBACK (gimp_save_dialog_compression_toggled),
+ dialog);
+}
+
+static void
+gimp_save_dialog_compression_toggled (GtkToggleButton *button,
+ GimpSaveDialog *dialog)
+{
+ const gchar *version_string = NULL;
+ GimpFileDialog *file_dialog = GIMP_FILE_DIALOG (dialog);
+ gchar *compat_hint = NULL;
+ gchar *reason = NULL;
+ GtkWidget *widget;
+ GtkTextBuffer *text_buffer;
+ gint version;
+
+ if (! file_dialog->image)
+ return;
+
+ dialog->compression = gtk_toggle_button_get_active (button);
+
+ if (dialog->compression)
+ gimp_image_get_xcf_version (file_dialog->image, TRUE, &version,
+ &version_string, &reason);
+ else
+ gimp_image_get_xcf_version (file_dialog->image, FALSE, &version,
+ &version_string, &reason);
+
+ /* Only show compatibility information for GIMP over 2.6. The reason
+ * is mostly that we don't have details to make a compatibility list
+ * with this older version.
+ * It's anyway so prehistorical that we are not really caring about
+ * compatibility with older version.
+ */
+ if (version <= 206)
+ gtk_widget_hide (dialog->compat_info);
+ else
+ gtk_widget_show (dialog->compat_info);
+
+ /* Set the compatibility label. */
+ compat_hint =
+ g_strdup_printf (_("The image uses features from %s and "
+ "won't be readable by older GIMP versions."),
+ version_string);
+
+ if (gimp_image_get_metadata (file_dialog->image))
+ {
+ gchar *temp_hint;
+
+ temp_hint = g_strconcat (compat_hint, "\n",
+ _("Metadata won't be visible in GIMP "
+ "older than version 2.10."), NULL);
+ g_free (compat_hint);
+ compat_hint = temp_hint;
+ }
+
+ widget = gtk_expander_get_label_widget (GTK_EXPANDER (dialog->compat_info));
+ gtk_label_set_text (GTK_LABEL (widget), compat_hint);
+ g_free (compat_hint);
+
+ /* Fill in the details (list of compatibility reasons). */
+ widget = gtk_bin_get_child (GTK_BIN (dialog->compat_info));
+ text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
+ gtk_text_buffer_set_text (text_buffer, reason ? reason : "", -1);
+ if (reason)
+ g_free (reason);
+}
+
+static GimpSaveDialogState *
+gimp_save_dialog_get_state (GimpSaveDialog *dialog)
+{
+ GimpSaveDialogState *state;
+ GtkFileFilter *filter;
+
+ state = g_slice_new0 (GimpSaveDialogState);
+
+ filter = gtk_file_chooser_get_filter (GTK_FILE_CHOOSER (dialog));
+
+ if (filter)
+ state->filter_name = g_strdup (gtk_file_filter_get_name (filter));
+
+ state->compression = dialog->compression;
+
+ return state;
+}
+
+static void
+gimp_save_dialog_set_state (GimpSaveDialog *dialog,
+ GimpSaveDialogState *state)
+{
+ 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);
+ }
+
+ dialog->compression = state->compression;
+}
+
+static void
+gimp_save_dialog_state_destroy (GimpSaveDialogState *state)
+{
+ g_free (state->filter_name);
+ g_slice_free (GimpSaveDialogState, state);
+}
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