Support copy function in Fl_Color_Chooser

Users can press ctrl-c (or ctrl-x) while using the fl_color_chooser()
function or the Fl_Color_Chooser widget to copy the current color
selection to the clipboard.

1 files changed, 7 insertions, 1 deletions

diff --git a/FL/Fl_Color_Chooser.H b/FL/Fl_Color_Chooser.H
index e9a5c5775..db4fae37a 100644
--- a/FL/Fl_Color_Chooser.H
+++ b/FL/Fl_Color_Chooser.H
@@ -3,7 +3,7 @@
 //
 // Color chooser header file for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 1998-2010 by Bill Spitzak and others.
+// Copyright 1998-2019 by Bill Spitzak and others.
 //
 // This library is free software. Distribution and use rights are outlined in
 // the file "COPYING" which should have been included with this file.  If this
@@ -94,6 +94,10 @@ public:
   them.  The pull-down menu lets the user set the input fields to show RGB,
   HSV, or 8-bit RGB (0 to 255).
 
+  The user can press CTRL-C to copy the currently selected color value as
+  text in RGB hex format with leading zeroes to the clipboard, for instance
+  \p FL_GREEN would be '00FF00' (since FLTK 1.4.0).
+
   fl_color_chooser() returns non-zero if the user picks ok, and updates the
   RGB values.  If the user picks cancel or closes the window this returns
   zero and leaves RGB unchanged.
@@ -119,6 +123,8 @@ class FL_EXPORT Fl_Color_Chooser : public Fl_Group {
   static void mode_cb(Fl_Widget*, void*);
 public:
   
+  int handle(int e);
+
   /** 
    Returns which Fl_Color_Chooser variant is currently active 
    \return color modes are rgb(0), byte(1), hex(2), or hsv(3)