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-rw-r--r--widget/gtk/nsColorPicker.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/widget/gtk/nsColorPicker.h b/widget/gtk/nsColorPicker.h
new file mode 100644
index 000000000..107e6f058
--- /dev/null
+++ b/widget/gtk/nsColorPicker.h
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsColorPicker_h__
+#define nsColorPicker_h__
+
+#include <gtk/gtk.h>
+
+#include "nsCOMPtr.h"
+#include "nsIColorPicker.h"
+#include "nsString.h"
+
+// Don't activate the GTK3 color picker for now, because it is missing a few
+// things, mainly the ability to let the user select a color on the screen.
+// See bug 1198256.
+#undef ACTIVATE_GTK3_COLOR_PICKER
+
+class nsIWidget;
+
+class nsColorPicker final : public nsIColorPicker
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSICOLORPICKER
+
+ nsColorPicker() {};
+
+private:
+ ~nsColorPicker() {};
+
+ static nsString ToHexString(int n);
+
+ static void OnResponse(GtkWidget* dialog, gint response_id,
+ gpointer user_data);
+ static void OnDestroy(GtkWidget* dialog, gpointer user_data);
+
+#if defined(ACTIVATE_GTK3_COLOR_PICKER) && GTK_CHECK_VERSION(3,4,0)
+ static void OnColorChanged(GtkColorChooser* color_chooser, GdkRGBA* color,
+ gpointer user_data);
+
+ static int convertGdkRgbaComponent(gdouble color_component);
+ static gdouble convertToGdkRgbaComponent(int color_component);
+ static GdkRGBA convertToRgbaColor(nscolor color);
+
+ void Update(GdkRGBA* color);
+ void SetColor(const GdkRGBA* color);
+#else
+ static void OnColorChanged(GtkColorSelection* colorselection,
+ gpointer user_data);
+
+ // Conversion functions for color
+ static int convertGdkColorComponent(guint16 color_component);
+ static guint16 convertToGdkColorComponent(int color_component);
+ static GdkColor convertToGdkColor(nscolor color);
+
+ static GtkColorSelection* WidgetGetColorSelection(GtkWidget* widget);
+
+ void Update(GtkColorSelection* colorselection);
+ void ReadValueFromColorSelection(GtkColorSelection* colorselection);
+#endif
+
+ void Done(GtkWidget* dialog, gint response_id);
+
+ nsCOMPtr<nsIWidget> mParentWidget;
+ nsCOMPtr<nsIColorPickerShownCallback> mCallback;
+ nsString mTitle;
+ nsString mColor;
+ nsString mInitialColor;
+};
+
+#endif // nsColorPicker_h__