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-rw-r--r--app/widgets/gimpsymmetryeditor.c269
1 files changed, 269 insertions, 0 deletions
diff --git a/app/widgets/gimpsymmetryeditor.c b/app/widgets/gimpsymmetryeditor.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpsymmetryeditor.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 "libgimpwidgets/gimpwidgets.h"
+
+#include "propgui/propgui-types.h" /* ugly, but what the heck */
+
+#include "core/gimpimage.h"
+#include "core/gimpimage-symmetry.h"
+#include "core/gimpsymmetry.h"
+
+#include "propgui/gimppropgui.h"
+
+#include "gimpmenufactory.h"
+#include "gimpsymmetryeditor.h"
+
+#include "gimp-intl.h"
+
+
+struct _GimpSymmetryEditorPrivate
+{
+ GimpContext *context;
+
+ GtkWidget *menu;
+ GtkWidget *options_vbox;
+};
+
+
+static void gimp_symmetry_editor_set_image (GimpImageEditor *editor,
+ GimpImage *image);
+
+/* Signal handlers on the contextual image. */
+static void gimp_symmetry_editor_symmetry_notify (GimpImage *image,
+ GParamSpec *pspec,
+ GimpSymmetryEditor *editor);
+
+/* Signal handlers on the symmetry. */
+static void gimp_symmetry_editor_symmetry_updated (GimpSymmetry *symmetry,
+ GimpImage *image,
+ GimpSymmetryEditor *editor);
+
+/* Private functions. */
+static void gimp_symmetry_editor_set_options (GimpSymmetryEditor *editor,
+ GimpSymmetry *symmetry);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpSymmetryEditor, gimp_symmetry_editor,
+ GIMP_TYPE_IMAGE_EDITOR)
+
+#define parent_class gimp_symmetry_editor_parent_class
+
+
+static void
+gimp_symmetry_editor_class_init (GimpSymmetryEditorClass *klass)
+{
+ GimpImageEditorClass *image_editor_class = GIMP_IMAGE_EDITOR_CLASS (klass);
+
+ image_editor_class->set_image = gimp_symmetry_editor_set_image;
+}
+
+static void
+gimp_symmetry_editor_init (GimpSymmetryEditor *editor)
+{
+ GtkWidget *scrolled_window;
+ GtkWidget *viewport;
+
+ editor->p = gimp_symmetry_editor_get_instance_private (editor);
+
+ gtk_widget_set_size_request (GTK_WIDGET (editor), -1, 200);
+
+ 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_box_pack_start (GTK_BOX (editor), scrolled_window, TRUE, TRUE, 0);
+ gtk_widget_show (scrolled_window);
+
+ viewport = gtk_viewport_new (NULL, NULL);
+ gtk_container_add (GTK_CONTAINER (scrolled_window), viewport);
+ gtk_widget_show (viewport);
+
+ editor->p->options_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+ gtk_container_set_border_width (GTK_CONTAINER (editor->p->options_vbox), 2);
+ gtk_container_add (GTK_CONTAINER (viewport), editor->p->options_vbox);
+ gtk_widget_show (editor->p->options_vbox);
+}
+
+static void
+gimp_symmetry_editor_set_image (GimpImageEditor *image_editor,
+ GimpImage *image)
+{
+ GimpSymmetryEditor *editor = GIMP_SYMMETRY_EDITOR (image_editor);
+
+ if (image_editor->image)
+ {
+ g_signal_handlers_disconnect_by_func (image_editor->image,
+ G_CALLBACK (gimp_symmetry_editor_symmetry_notify),
+ editor);
+ }
+
+ GIMP_IMAGE_EDITOR_CLASS (parent_class)->set_image (image_editor, image);
+
+ /* Destroy the previous menu. */
+ if (editor->p->menu)
+ {
+ gtk_widget_destroy (editor->p->menu);
+ editor->p->menu = NULL;
+ }
+
+ if (image_editor->image)
+ {
+ GtkListStore *store;
+ GtkTreeIter iter;
+ GList *syms;
+ GList *sym_iter;
+ GimpSymmetry *symmetry;
+
+ store = gimp_int_store_new ();
+
+ /* The menu of available symmetries. */
+ syms = gimp_image_symmetry_list ();
+ for (sym_iter = syms; sym_iter; sym_iter = g_list_next (sym_iter))
+ {
+ GimpSymmetryClass *klass;
+ GType type;
+
+ type = (GType) sym_iter->data;
+ klass = g_type_class_ref (type);
+
+ gtk_list_store_prepend (store, &iter);
+ gtk_list_store_set (store, &iter,
+ GIMP_INT_STORE_LABEL,
+ klass->label,
+ GIMP_INT_STORE_USER_DATA,
+ sym_iter->data,
+ -1);
+ g_type_class_unref (klass);
+ }
+ g_list_free (syms);
+
+ gtk_list_store_prepend (store, &iter);
+ gtk_list_store_set (store, &iter,
+ GIMP_INT_STORE_LABEL, _("None"),
+ GIMP_INT_STORE_USER_DATA, GIMP_TYPE_SYMMETRY,
+ -1);
+ editor->p->menu =
+ gimp_prop_pointer_combo_box_new (G_OBJECT (image_editor->image),
+ "symmetry",
+ GIMP_INT_STORE (store));
+ g_object_unref (store);
+
+ gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (editor->p->menu),
+ _("Symmetry"));
+ g_object_set (editor->p->menu, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
+
+ gtk_box_pack_start (GTK_BOX (editor), editor->p->menu,
+ FALSE, FALSE, 0);
+ gtk_box_reorder_child (GTK_BOX (editor), editor->p->menu, 0);
+ gtk_widget_show (editor->p->menu);
+
+ /* Connect to symmetry change. */
+ g_signal_connect (image_editor->image, "notify::symmetry",
+ G_CALLBACK (gimp_symmetry_editor_symmetry_notify),
+ editor);
+
+ /* Update the symmetry options. */
+ symmetry = gimp_image_get_active_symmetry (image_editor->image);
+ gimp_symmetry_editor_set_options (editor, symmetry);
+ }
+}
+
+static void
+gimp_symmetry_editor_symmetry_notify (GimpImage *image,
+ GParamSpec *pspec,
+ GimpSymmetryEditor *editor)
+{
+ GimpSymmetry *symmetry = NULL;
+
+ if (image)
+ {
+ symmetry = gimp_image_get_active_symmetry (image);
+
+ if (symmetry)
+ g_signal_connect (symmetry, "gui-param-changed",
+ G_CALLBACK (gimp_symmetry_editor_symmetry_updated),
+ editor);
+ }
+
+ gimp_symmetry_editor_set_options (editor, symmetry);
+}
+
+static void
+gimp_symmetry_editor_symmetry_updated (GimpSymmetry *symmetry,
+ GimpImage *image,
+ GimpSymmetryEditor *editor)
+{
+ if (image != gimp_image_editor_get_image (GIMP_IMAGE_EDITOR (editor)) ||
+ symmetry != gimp_image_get_active_symmetry (image))
+ {
+ g_signal_handlers_disconnect_by_func (symmetry,
+ gimp_symmetry_editor_symmetry_updated,
+ editor);
+ return;
+ }
+
+ gimp_symmetry_editor_set_options (editor, symmetry);
+}
+
+static void
+gimp_symmetry_editor_set_options (GimpSymmetryEditor *editor,
+ GimpSymmetry *symmetry)
+{
+ gtk_container_foreach (GTK_CONTAINER (editor->p->options_vbox),
+ (GtkCallback) gtk_widget_destroy, NULL);
+
+ if (symmetry && G_TYPE_FROM_INSTANCE (symmetry) != GIMP_TYPE_SYMMETRY)
+ {
+ GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
+ GimpImage *image = image_editor->image;
+ GtkWidget *gui;
+
+ gui = gimp_prop_gui_new (G_OBJECT (symmetry),
+ GIMP_TYPE_SYMMETRY,
+ GIMP_SYMMETRY_PARAM_GUI,
+ GEGL_RECTANGLE (0, 0,
+ gimp_image_get_width (image),
+ gimp_image_get_height (image)),
+ GIMP_IMAGE_EDITOR (editor)->context,
+ NULL, NULL, NULL);
+ gtk_box_pack_start (GTK_BOX (editor->p->options_vbox), gui,
+ FALSE, FALSE, 0);
+ gtk_widget_show (gui);
+ }
+}
+
+
+/* public functions */
+
+GtkWidget *
+gimp_symmetry_editor_new (GimpMenuFactory *menu_factory)
+{
+ g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
+
+ return g_object_new (GIMP_TYPE_SYMMETRY_EDITOR,
+ "menu-factory", menu_factory,
+ NULL);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 15:15:12 +0000