Add a color picker interface

This will be used in the color chooser, in subsequent commits.

1 files changed, 69 insertions, 0 deletions

diff --git a/gtk/gtkcolorpickerprivate.h b/gtk/gtkcolorpickerprivate.h
new file mode 100644
index 0000000000..305d868519
--- /dev/null
+++ b/gtk/gtkcolorpickerprivate.h
@@ -0,0 +1,69 @@
+/*
+ * GTK - The GIMP Toolkit
+ * Copyright (C) 2018 Red Hat, Inc.
+ * All rights reserved.
+ *
+ * This Library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GTK_COLOR_PICKER_H__
+#define __GTK_COLOR_PICKER_H__
+
+
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
+#include <gtk/gtkwindow.h>
+
+G_BEGIN_DECLS
+
+
+#define GTK_TYPE_COLOR_PICKER             (gtk_color_picker_get_type ())
+#define GTK_COLOR_PICKER(o)               (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_COLOR_PICKER, GtkColorPicker))
+#define GTK_IS_COLOR_PICKER(o)            (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_COLOR_PICKER))
+#define GTK_COLOR_PICKER_GET_INTERFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), GTK_TYPE_COLOR_PICKER, GtkColorPickerInterface))
+
+
+typedef struct _GtkColorPicker            GtkColorPicker;
+typedef struct _GtkColorPickerInterface   GtkColorPickerInterface;
+
+struct _GtkColorPickerInterface {
+  GTypeInterface g_iface;
+
+  void (* pick)             (GtkColorPicker      *picker,
+                             GAsyncReadyCallback  callback,
+                             gpointer             user_data);
+
+  GdkRGBA * (* pick_finish) (GtkColorPicker      *picker,
+                             GAsyncResult        *res,
+                             GError             **error);
+};
+
+GDK_AVAILABLE_IN_ALL
+GType            gtk_color_picker_get_type    (void) G_GNUC_CONST;
+GDK_AVAILABLE_IN_ALL
+GtkColorPicker * gtk_color_picker_new         (void);
+GDK_AVAILABLE_IN_ALL
+void             gtk_color_picker_pick        (GtkColorPicker       *picker,
+                                               GAsyncReadyCallback   callback,
+                                               gpointer              user_data);
+GDK_AVAILABLE_IN_ALL
+GdkRGBA *        gtk_color_picker_pick_finish (GtkColorPicker       *picker,
+                                               GAsyncResult         *res,
+                                               GError              **error);
+
+G_END_DECLS
+
+#endif  /* __GTK_COLOR_PICKER_H__ */