Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef nsColorPicker_h__
       7             : #define nsColorPicker_h__
       8             : 
       9             : #include <gtk/gtk.h>
      10             : 
      11             : #include "nsCOMPtr.h"
      12             : #include "nsIColorPicker.h"
      13             : #include "nsString.h"
      14             : 
      15             : // Don't activate the GTK3 color picker for now, because it is missing a few
      16             : // things, mainly the ability to let the user select a color on the screen.
      17             : // See bug 1198256.
      18             : #undef ACTIVATE_GTK3_COLOR_PICKER
      19             : 
      20             : class nsIWidget;
      21             : 
      22             : class nsColorPicker final : public nsIColorPicker
      23             : {
      24             : public:
      25             :   NS_DECL_ISUPPORTS
      26             :   NS_DECL_NSICOLORPICKER
      27             : 
      28           0 :   nsColorPicker() {};
      29             : 
      30             : private:
      31           0 :   ~nsColorPicker() {};
      32             : 
      33             :   static nsString ToHexString(int n);
      34             :   
      35             :   static void OnResponse(GtkWidget* dialog, gint response_id,
      36             :                          gpointer user_data);
      37             :   static void OnDestroy(GtkWidget* dialog, gpointer user_data);
      38             :   
      39             : #if defined(ACTIVATE_GTK3_COLOR_PICKER) && GTK_CHECK_VERSION(3,4,0)
      40             :   static void OnColorChanged(GtkColorChooser* color_chooser, GdkRGBA* color,
      41             :                              gpointer user_data);
      42             :                              
      43             :   static int convertGdkRgbaComponent(gdouble color_component);
      44             :   static gdouble convertToGdkRgbaComponent(int color_component);
      45             :   static GdkRGBA convertToRgbaColor(nscolor color);
      46             :   
      47             :   void Update(GdkRGBA* color);
      48             :   void SetColor(const GdkRGBA* color);
      49             : #else
      50             :   static void OnColorChanged(GtkColorSelection* colorselection,
      51             :                              gpointer user_data);
      52             : 
      53             :   // Conversion functions for color
      54             :   static int convertGdkColorComponent(guint16 color_component);
      55             :   static guint16 convertToGdkColorComponent(int color_component);
      56             :   static GdkColor convertToGdkColor(nscolor color);  
      57             : 
      58             :   static GtkColorSelection* WidgetGetColorSelection(GtkWidget* widget);
      59             :   
      60             :   void Update(GtkColorSelection* colorselection);
      61             :   void ReadValueFromColorSelection(GtkColorSelection* colorselection);
      62             : #endif
      63             : 
      64             :   void Done(GtkWidget* dialog, gint response_id);
      65             : 
      66             :   nsCOMPtr<nsIWidget> mParentWidget;
      67             :   nsCOMPtr<nsIColorPickerShownCallback> mCallback;
      68             :   nsString mTitle;
      69             :   nsString mColor;
      70             :   nsString mInitialColor;
      71             : };
      72             : 
      73             : #endif // nsColorPicker_h__