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Diffstat (limited to 'app/widgets/gimpimagecommenteditor.c')
| -rw-r--r-- | app/widgets/gimpimagecommenteditor.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/app/widgets/gimpimagecommenteditor.c b/app/widgets/gimpimagecommenteditor.c new file mode 100644 index 0000000..490ba56 --- /dev/null +++ b/app/widgets/gimpimagecommenteditor.c @@ -0,0 +1,248 @@ +/* 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); +} |