1 files changed, 92 insertions, 0 deletions
diff --git a/libgimpwidgets/gimpchainbutton.h b/libgimpwidgets/gimpchainbutton.h
new file mode 100644
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+++ b/libgimpwidgets/gimpchainbutton.h
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+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * gimpchainbutton.h
+ * Copyright (C) 1999-2000 Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+/*
+ * This implements a widget derived from GtkTable that visualizes
+ * it's state with two different pixmaps showing a closed and a
+ * broken chain. It's intended to be used with the GimpSizeEntry
+ * widget. The usage is quite similar to the one the GtkToggleButton
+ * provides.
+ */
+
+#if !defined (__GIMP_WIDGETS_H_INSIDE__) && !defined (GIMP_WIDGETS_COMPILATION)
+#error "Only <libgimpwidgets/gimpwidgets.h> can be included directly."
+#endif
+
+#ifndef __GIMP_CHAIN_BUTTON_H__
+#define __GIMP_CHAIN_BUTTON_H__
+
+G_BEGIN_DECLS
+
+
+#define GIMP_TYPE_CHAIN_BUTTON            (gimp_chain_button_get_type ())
+#define GIMP_CHAIN_BUTTON(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CHAIN_BUTTON, GimpChainButton))
+#define GIMP_CHAIN_BUTTON_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CHAIN_BUTTON, GimpChainButtonClass))
+#define GIMP_IS_CHAIN_BUTTON(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CHAIN_BUTTON))
+#define GIMP_IS_CHAIN_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CHAIN_BUTTON))
+#define GIMP_CHAIN_BUTTON_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CHAIN_BUTTON, GimpChainButtonClass))
+
+
+typedef struct _GimpChainButtonClass  GimpChainButtonClass;
+
+struct _GimpChainButton
+{
+  GtkTable           parent_instance;
+
+  GimpChainPosition  position;
+  gboolean           active;
+
+  GtkWidget         *button;
+  GtkWidget         *line1;
+  GtkWidget         *line2;
+  GtkWidget         *image;
+};
+
+struct _GimpChainButtonClass
+{
+  GtkTableClass  parent_class;
+
+  void (* toggled)  (GimpChainButton *button);
+
+  /* Padding for future expansion */
+  void (* _gimp_reserved1) (void);
+  void (* _gimp_reserved2) (void);
+  void (* _gimp_reserved3) (void);
+  void (* _gimp_reserved4) (void);
+};
+
+
+GType         gimp_chain_button_get_type      (void) G_GNUC_CONST;
+
+GtkWidget   * gimp_chain_button_new           (GimpChainPosition  position);
+
+void          gimp_chain_button_set_icon_size (GimpChainButton   *button,
+                                               GtkIconSize        size);
+GtkIconSize   gimp_chain_button_get_icon_size (GimpChainButton   *button);
+
+void          gimp_chain_button_set_active    (GimpChainButton   *button,
+                                               gboolean           active);
+gboolean      gimp_chain_button_get_active    (GimpChainButton   *button);
+
+
+G_END_DECLS
+
+#endif /* __GIMP_CHAIN_BUTTON_H__ */