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-rw-r--r--app/widgets/gimpimagecommenteditor.c248
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diff --git a/app/widgets/gimpimagecommenteditor.c b/app/widgets/gimpimagecommenteditor.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpImageCommentEditor
+ * Copyright (C) 2007 Sven Neumann <sven@gimp.org>
+ *
+ * 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 "libgimpbase/gimpbase.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "config/gimpcoreconfig.h"
+
+#include "core/gimp.h"
+#include "core/gimpimage.h"
+#include "core/gimptemplate.h"
+
+#include "gimpimagecommenteditor.h"
+
+#include "gimp-intl.h"
+
+#define GIMP_IMAGE_COMMENT_PARASITE "gimp-comment"
+
+
+static void gimp_image_comment_editor_update (GimpImageParasiteView *view);
+
+static void gimp_image_comment_editor_buffer_changed (GtkTextBuffer *buffer,
+ GimpImageCommentEditor *editor);
+static void gimp_image_comment_editor_use_default_comment (GtkWidget *button,
+ GimpImageCommentEditor *editor);
+
+
+G_DEFINE_TYPE (GimpImageCommentEditor,
+ gimp_image_comment_editor, GIMP_TYPE_IMAGE_PARASITE_VIEW)
+
+static void
+gimp_image_comment_editor_class_init (GimpImageCommentEditorClass *klass)
+{
+ GimpImageParasiteViewClass *view_class;
+
+ view_class = GIMP_IMAGE_PARASITE_VIEW_CLASS (klass);
+
+ view_class->update = gimp_image_comment_editor_update;
+}
+
+static void
+gimp_image_comment_editor_init (GimpImageCommentEditor *editor)
+{
+ GtkWidget *vbox;
+ GtkWidget *scrolled_window;
+ GtkWidget *text_view;
+ GtkWidget *button;
+
+ /* Init */
+ editor->recoursing = FALSE;
+
+ /* Vbox */
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+ gtk_box_pack_start (GTK_BOX (editor), vbox, TRUE, TRUE, 0);
+ gtk_widget_show (vbox);
+
+ /* Scrolled winow */
+ scrolled_window = gtk_scrolled_window_new (NULL, NULL);
+
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ gtk_container_set_border_width (GTK_CONTAINER (scrolled_window), 2);
+ gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);
+ gtk_widget_show (scrolled_window);
+
+ /* Text view */
+ text_view = gtk_text_view_new ();
+
+ gtk_text_view_set_editable (GTK_TEXT_VIEW (text_view), TRUE);
+ gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (text_view), GTK_WRAP_WORD);
+
+ gtk_text_view_set_pixels_above_lines (GTK_TEXT_VIEW (text_view), 6);
+ gtk_text_view_set_left_margin (GTK_TEXT_VIEW (text_view), 6);
+ gtk_text_view_set_right_margin (GTK_TEXT_VIEW (text_view), 6);
+
+ gtk_container_add (GTK_CONTAINER (scrolled_window), text_view);
+ gtk_widget_show (text_view);
+
+ /* Button */
+ button = gtk_button_new_with_mnemonic (_("Use _default comment"));
+ gimp_help_set_help_data (GTK_WIDGET (button),
+ _("Replace the current image comment with the "
+ "default comment set in "
+ "Edit→Preferences→Default Image."),
+ NULL);
+ gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, TRUE, 0);
+ gtk_widget_show (button);
+
+ g_signal_connect (button, "clicked",
+ G_CALLBACK (gimp_image_comment_editor_use_default_comment),
+ editor);
+
+ /* Buffer */
+ editor->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
+
+ g_signal_connect (editor->buffer, "changed",
+ G_CALLBACK (gimp_image_comment_editor_buffer_changed),
+ editor);
+}
+
+
+/* public functions */
+
+GtkWidget *
+gimp_image_comment_editor_new (GimpImage *image)
+{
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+
+ return g_object_new (GIMP_TYPE_IMAGE_COMMENT_EDITOR,
+ "image", image,
+ "parasite", GIMP_IMAGE_COMMENT_PARASITE,
+ NULL);
+}
+
+
+/* private functions */
+
+static void
+gimp_image_comment_editor_update (GimpImageParasiteView *view)
+{
+ GimpImageCommentEditor *editor = GIMP_IMAGE_COMMENT_EDITOR (view);
+ const GimpParasite *parasite;
+
+ if (editor->recoursing)
+ return;
+
+ g_signal_handlers_block_by_func (editor->buffer,
+ gimp_image_comment_editor_buffer_changed,
+ editor);
+
+ parasite = gimp_image_parasite_view_get_parasite (view);
+
+ if (parasite)
+ {
+ gchar *text = g_strndup (gimp_parasite_data (parasite),
+ gimp_parasite_data_size (parasite));
+
+ if (! g_utf8_validate (text, -1, NULL))
+ {
+ gchar *tmp = gimp_any_to_utf8 (text, -1, NULL);
+
+ g_free (text);
+ text = tmp;
+ }
+
+ gtk_text_buffer_set_text (editor->buffer, text, -1);
+ g_free (text);
+ }
+ else
+ {
+ gtk_text_buffer_set_text (editor->buffer, "", 0);
+ }
+
+ g_signal_handlers_unblock_by_func (editor->buffer,
+ gimp_image_comment_editor_buffer_changed,
+ editor);
+}
+
+static void
+gimp_image_comment_editor_buffer_changed (GtkTextBuffer *buffer,
+ GimpImageCommentEditor *editor)
+{
+ GimpImage *image;
+ gchar *text;
+ gint len;
+ GtkTextIter start;
+ GtkTextIter end;
+
+ image =
+ gimp_image_parasite_view_get_image (GIMP_IMAGE_PARASITE_VIEW (editor));
+
+ gtk_text_buffer_get_bounds (buffer, &start, &end);
+
+ text = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+
+ len = text ? strlen (text) : 0;
+
+ editor->recoursing = TRUE;
+
+ if (len > 0)
+ {
+ GimpParasite *parasite;
+
+ parasite = gimp_parasite_new (GIMP_IMAGE_COMMENT_PARASITE,
+ GIMP_PARASITE_PERSISTENT,
+ len + 1, text);
+
+ gimp_image_parasite_attach (image, parasite, TRUE);
+ gimp_parasite_free (parasite);
+ }
+ else
+ {
+ gimp_image_parasite_detach (image, GIMP_IMAGE_COMMENT_PARASITE, TRUE);
+ }
+
+ editor->recoursing = FALSE;
+
+ g_free (text);
+}
+
+static void
+gimp_image_comment_editor_use_default_comment (GtkWidget *button,
+ GimpImageCommentEditor *editor)
+{
+ GimpImage *image;
+ const gchar *comment = NULL;
+
+ image = gimp_image_parasite_view_get_image (GIMP_IMAGE_PARASITE_VIEW (editor));
+
+ if (image)
+ {
+ GimpTemplate *template = image->gimp->config->default_image;
+
+ comment = gimp_template_get_comment (template);
+ }
+
+ if (comment)
+ gtk_text_buffer_set_text (editor->buffer, comment, -1);
+ else
+ gtk_text_buffer_set_text (editor->buffer, "", -1);
+}