+ Added new keyword to support background transparency

TRANSPARENTCOLORS Yes/No
  default is "No". If set to "Yes" BLACK background color will become
  transparent. Supported for ncurses compilation, otherwise do nothing.

cfgs/config/advanced.cfg

@@ -1237,6 +1237,11 @@ SCREENSHADOWS YES
 ;INTENSECOLORS YES
 INTENSECOLORS NO
 
+// Use background transparency?
+// Default is "No". If set to "Yes" BLACK background color will become
+// transparent. Supported for ncurses compilation, otherwise do nothing.
+;TRANSPARENTCOLORS YES
+
 // Select default color set.
 COLORSET DETECT     ; Select based on screencard and intense value.
 ;COLORSET NORMAL    ; Select standard color set.

cfgs/config/advanced.rus

@@ -1443,6 +1443,12 @@ ScreenShadows Yes
 ;IntenseColors Yes
 IntenseColors No
 
+// ˆá¯®«ì§®¢ âì «¨ ¯à®§à ç­ë© ä®­?
+// <20>/ã "No". ᫨ ãáâ ­®¢«¥­® ¢ "Yes", 梥â BLACK ¨á¯®«ì§®¢ ­­ë© ¢ 
+// ª ç¥á⢥ ä®­ , áâ ­¥â ¯à®§à ç­ë¬. <20>®¤¤¥à¦¨¢ ¥âáï ⮫쪮 ¯à¨
+// ¨á¯®«ì§®¢ ­¨¨ ncurses, ¨­ ç¥ ¨£­®à¨àã¥âáï.
+;TransparentColors Yes
+
 // ‚ë¡®à 梥⮢ ¯® 㬮«ç ­¨î.
 ColorSet Detect     ; €¢â® ®¯à¥¤¥«¥­¨¥.
 ;ColorSet Normal    ; ‘â ­¤ àâ­ë© 梥â.

docs/notework.txt

@@ -10,6 +10,11 @@ ______________________________________________________________________
                Notes for GoldED+ 1.1.5, /snapshot/
 ______________________________________________________________________
 
++ Added new keyword to support background transparency
+  TRANSPARENTCOLORS Yes/No
+  default is "No". If set to "Yes" BLACK background color will become
+  transparent. Supported for ncurses compilation, otherwise do nothing.
+
 = Snapshot for the May 3, 2007.
 
 + Golded+ may be compiled in MacOS X now (using xcode package).

golded3/gccfgg.cpp

@@ -748,6 +748,7 @@ CfgGed::CfgGed() {
   hudsonuserno = 0;
   ignorecharset = false;
   intensecolors = false;
+  transparentcolors = false;
   internetmsgid = false;
   internetrfcbody = 0;
   internetviagate = false;

golded3/gccfgg.h

@@ -294,6 +294,7 @@ const word CRC_PRINTINIT        = 0xB195;
 const word CRC_PRINTLENGTH      = 0x5D19;
 const word CRC_PRINTMARGIN      = 0xAC75;
 const word CRC_PRINTRESET       = 0xEFBD;
+const word CRC_TRANSPARENTCOLORS= 0xFCB1;
 const word CRC_QUOTEBLANK       = 0xD3BB;
 const word CRC_QUOTEBUFFILE     = 0xDE2A;
 const word CRC_QUOTEBUFMODE     = 0x6A16;

golded3/gccfgg0.cpp

@@ -577,6 +577,7 @@ SwitchT:
     case CRC_TIMEOUT          :  CfgTimeout          ();  break;
     case CRC_TITLESTATUS      :  CfgTitlestatus      ();  break;
     case CRC_TRANSLATE        :  CfgTranslate        ();  break;
+    case CRC_TRANSPARENTCOLORS:  CfgTransparentcolors();  break;
     case CRC_TWITMODE         :  CfgTwitmode         ();  break;
     case CRC_TWITNAME         :  CfgTwitname         ();  break;
     case CRC_TWITSUBJ         :  CfgTwitsubj         ();  break;

golded3/gccfgg8.cpp

@@ -251,6 +251,15 @@ void CfgTranslate()
   CFG->translate.Add(strupr(key), val);
 }
 
+//  ------------------------------------------------------------------                                                                       $
+
+void CfgTransparentcolors() {
+
+    CFG->transparentcolors = make_bool(GetYesno(val));
+    if(CFG->transparentcolors)
+      GVid::setcolorpairs(true);
+}
+
 //  ------------------------------------------------------------------
 
 void CfgTwitmode() {

golded3/gcprot.h

@@ -360,6 +360,7 @@ void CfgTimeout          ();
 void CfgTimeoutsavemsg   ();
 void CfgTitlestatus      ();
 void CfgTranslate        ();
+void CfgTransparentcolors();
 void CfgTwitmode         ();
 void CfgTwitname         ();
 void CfgTwitsubj         ();

golded3/gecfgg.h

@@ -332,6 +332,7 @@ public:
   Path        inboundpath;
   Path        inputfile;
   bool        intensecolors;
+  bool        transparentcolors;
   IAdr        internetaddress;
   char        internetdomain[96];
   Node        internetgate;

goldlib/gall/gvidall.h

@@ -329,6 +329,8 @@ public:
 
   int  detectadapter  ();
   void detectinfo     (GVidInfo* _info);
+  static
+  void setcolorpairs  (bool enabletransparent=false);
 
   void resetcurr      ();
 

goldlib/gall/gvidinit.cpp

@@ -222,11 +222,7 @@ int GVid::detectadapter() {
 
   start_color();
 
-  /* init colors */
-  short mycolors[] = { COLOR_BLACK, COLOR_BLUE, COLOR_GREEN, COLOR_CYAN,
-                     COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE };
-  for(int i = 1; i < 64 and i < COLOR_PAIRS; i++)
-    init_pair(i, mycolors[(~i)&0x07], mycolors[(i>>3)&0x07]);
+  setcolorpairs();
 
   adapter = V_VGA;
 
@@ -435,6 +431,20 @@ int GVid::detectadapter() {
   return adapter;
 }
 
+void GVid::setcolorpairs(bool enabletransparent) {
+  #if defined(__USE_NCURSES__)
+  /* init colors */
+  short mycolors[] = { COLOR_BLACK, COLOR_BLUE, COLOR_GREEN, COLOR_CYAN,
+                     COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE };
+
+  if(enabletransparent)
+    use_default_colors();
+  for(int i = 1; i < 64 and i < COLOR_PAIRS; i++) {
+    short bg=mycolors[(i>>3)&0x07];
+    init_pair(i, mycolors[(~i)&0x07], ((bg==COLOR_BLACK) && enabletransparent)?-1:bg);
+  }
+  #endif
+}
 
 //  ------------------------------------------------------------------
 //  Video info detect