I blindly applied this patch to 1.1.10 (I don't have Xft on my Mac...) so please someone check for typos. Thanks. Added Xft Font Lookup Table (STR #2215)

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@6871 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

CHANGES

@@ -1,5 +1,6 @@
 CHANGES IN FLTK 1.1.10
 
+	- Added Xft2 font lookup table (STR #2215)
 	- Fixed X server "lock", if a modal dialog window is opened
 	  while a menu is active (STR #1986)
 	- Updated mirror sites in documentation (STR #2220)

src/fl_font_xft.cxx

@@ -291,11 +291,11 @@ double fl_width(uchar c) {
 static XFontStruct* load_xfont_for_xft2(void) {
   XFontStruct* xgl_font = 0;
   int size = fl_size_;
-  char *weight = "medium"; // no specifc weight requested - accept any
+  const char *weight = "medium"; // no specifc weight requested - accept any
   char slant = 'r';   // regular non-italic by default
   char xlfd[128];     // we will put our synthetic XLFD in here
   char *pc = strdup(fl_fonts[fl_font_].name); // what font were we asked for?
-  char *name = pc;    // keep a handle to the original name for freeing later
+  const char *name = pc;    // keep a handle to the original name for freeing later
   // Parse the "fltk-name" of the font
   switch (*name++) {
   case 'I': slant = 'i'; break;     // italic
@@ -305,6 +305,19 @@ static XFontStruct* load_xfont_for_xft2(void) {
   default: name--;                  // no prefix, restore name
   }
 
+  // map generic Xft names to customary XLFD faces
+  if (!strcmp(name, "sans")) {
+    name = "helvetica";
+  } else if (!strcmp(name, "mono")) {
+    name = "courier";
+  } else if (!strcmp(name, "serif")) {
+    name = "times";
+  } else if (!strcmp(name, "screen")) {
+    name = "lucidatypewriter";
+  } else if (!strcmp(name, "dingbats")) {
+    name = "zapf dingbats";
+  }
+
   // first, we do a query with no prefered size, to see if the font exists at all
   snprintf(xlfd, 128, "-*-*%s*-%s-%c-*--*-*-*-*-*-*-*-*", name, weight, slant); // make up xlfd style name
   xgl_font = XLoadQueryFont(fl_display, xlfd);