From 98265d81a2c3fdfa76fa7d96fc9400f78113ddf7 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Tue, 16 Feb 2021 13:40:18 +0100
Subject: Remove FL_CFG_WIN_X11 preprocessor variable from Fl_own_colormap.cxx

---
 src/drivers/X11/Fl_X11_System_Driver.cxx | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'src/drivers')

diff --git a/src/drivers/X11/Fl_X11_System_Driver.cxx b/src/drivers/X11/Fl_X11_System_Driver.cxx
index 801189b44..1281e5d43 100644
--- a/src/drivers/X11/Fl_X11_System_Driver.cxx
+++ b/src/drivers/X11/Fl_X11_System_Driver.cxx
@@ -18,6 +18,7 @@
 #include "Fl_X11_System_Driver.H"
 #include <FL/Fl_File_Browser.H>
 #include <FL/fl_string.h>  // fl_strdup
+#include <FL/platform.H>
 #include "../../flstring.h"
 
 #include <X11/Xlib.h>
@@ -713,4 +714,30 @@ const char *Fl_X11_System_Driver::shortcut_add_key_name(unsigned key, char *p, c
   }
 }
 
+void Fl_X11_System_Driver::own_colormap() {
+  fl_open_display();
+#if USE_COLORMAP
+  switch (fl_visual->c_class) {
+  case GrayScale :
+  case PseudoColor :
+  case DirectColor :
+    break;
+  default:
+    return; // don't do anything for non-colormapped visuals
+  }
+  int i;
+  XColor colors[16];
+  // Get the first 16 colors from the default colormap...
+  for (i = 0; i < 16; i ++) colors[i].pixel = i;
+  XQueryColors(fl_display, fl_colormap, colors, 16);
+  // Create a new colormap...
+  fl_colormap = XCreateColormap(fl_display,
+                                RootWindow(fl_display,fl_screen),
+                                fl_visual->visual, AllocNone);
+  // Copy those first 16 colors to our own colormap:
+  for (i = 0; i < 16; i ++)
+    XAllocColor(fl_display, fl_colormap, colors + i);
+#endif // USE_COLORMAP
+}
+
 #endif // !defined(FL_DOXYGEN)
-- 
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