Add GtkColorDialog

Add an async API for picking a color, together with
a builder object for it. This is meant to replace direct
use of GtkColorChooserDialog.

1 files changed, 72 insertions, 0 deletions

diff --git a/gtk/gtkcolordialog.h b/gtk/gtkcolordialog.h
new file mode 100644
index 0000000000..4572ea6de3
--- /dev/null
+++ b/gtk/gtkcolordialog.h
@@ -0,0 +1,72 @@
+/* GTK - The GIMP Toolkit
+ *
+ * Copyright (C) 2022 Red Hat, Inc.
+ *
+ * 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 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
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
+#include <gdk/gdk.h>
+#include <gtk/gtkwindow.h>
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_COLOR_DIALOG (gtk_color_dialog_get_type ())
+
+GDK_AVAILABLE_IN_4_10
+G_DECLARE_FINAL_TYPE (GtkColorDialog, gtk_color_dialog, GTK, COLOR_DIALOG, GObject)
+
+GDK_AVAILABLE_IN_4_10
+GtkColorDialog *gtk_color_dialog_new                    (void);
+
+GDK_AVAILABLE_IN_4_10
+const char *    gtk_color_dialog_get_title              (GtkColorDialog       *self);
+
+GDK_AVAILABLE_IN_4_10
+void            gtk_color_dialog_set_title              (GtkColorDialog       *self,
+                                                         const char           *title);
+
+GDK_AVAILABLE_IN_4_10
+gboolean        gtk_color_dialog_get_modal              (GtkColorDialog       *self);
+
+GDK_AVAILABLE_IN_4_10
+void            gtk_color_dialog_set_modal              (GtkColorDialog       *self,
+                                                         gboolean              modal);
+
+GDK_AVAILABLE_IN_4_10
+gboolean        gtk_color_dialog_get_with_alpha         (GtkColorDialog       *self);
+
+GDK_AVAILABLE_IN_4_10
+void            gtk_color_dialog_set_with_alpha         (GtkColorDialog       *self,
+                                                         gboolean              with_alpha);
+
+GDK_AVAILABLE_IN_4_10
+void            gtk_color_dialog_choose_rgba            (GtkColorDialog       *self,
+                                                         GtkWindow            *parent,
+                                                         const GdkRGBA        *initial_color,
+                                                         GCancellable         *cancellable,
+                                                         GAsyncReadyCallback   callback,
+                                                         gpointer              user_data);
+
+GDK_AVAILABLE_IN_4_10
+GdkRGBA *       gtk_color_dialog_choose_rgba_finish     (GtkColorDialog        *self,
+                                                         GAsyncResult          *result,
+                                                         GError               **error);
+
+G_END_DECLS