Added stuff for fading older lines

Author: nickgammon

doc.cpp

@@ -7542,22 +7542,31 @@ void CMUSHclientDoc::DoFixMenus(CCmdUI* pCmdUI)
 } // end of CMUSHclientDoc::DoFixMenus
 
 // for mapping one colour to another at drawing time
-const COLORREF CMUSHclientDoc::TranslateColour (const COLORREF & source) const
+const COLORREF CMUSHclientDoc::TranslateColour (const COLORREF & source, const double opacity) const
   {
   // quick escape
   if (m_ColourTranslationMap.empty ())
-    return source;
+    {
+    if (opacity == 1.0)
+      return source;
+    return RGB (opacity * GetRValue (source), opacity * GetGValue (source), opacity * GetBValue (source));
+    }
 
   // search for it
   map<COLORREF, COLORREF>::const_iterator it = m_ColourTranslationMap.find (source);
 
   // not found, use original colour
   if (it == m_ColourTranslationMap.end ())
-    return source;
+    {
+    if (opacity == 1.0)
+      return source;
+    return RGB (opacity * GetRValue (source), opacity * GetGValue (source), opacity * GetBValue (source));
+    }
 
   // return replacement colour
-  return it->second;
-
+  if (opacity == 1.0)
+    return it->second;
+  return RGB (opacity * GetRValue (it->second), opacity * GetGValue (it->second), opacity * GetBValue (it->second));
   }   // end of CMUSHclientDoc::TranslateColour
 
 

doc.h

@@ -925,6 +925,12 @@ class CMUSHclientDoc : public CDocument
   unsigned short m_bLogScriptErrors;          // write scripting error messages to log file?
   unsigned short m_bOmitSavedDateFromSaveFiles; // if set, do not write the date saved to save files
 
+  // version 5.06
+
+  unsigned short m_iFadeOutputBufferAfterSeconds; // fade output buffer after these many seconds (0 = disable)
+  unsigned short m_FadeOutputOpacityPercent;      // what opacity to fade to (0 to 100 percent)
+  unsigned short m_FadeOutputSeconds;             // how many seconds to fade over
+
   // end of stuff saved to disk **************************************************************
 
   // stuff from pre version 11, read from disk but not saved
@@ -1382,6 +1388,8 @@ class CMUSHclientDoc : public CDocument
   CString m_strWindowTitle;     // for SetTitle
   CString m_strMainWindowTitle; // for SetMainTitle
 
+  CTime m_timeFadeCancelled;    // when we last scrolled up and cancelled faded text
+  CTime m_timeLastWindowDraw;   // when we last redrew the output window
 
   // see enum above: eKeepEvaluatingTriggers, eStopEvaluatingTriggers, 
   //                 eStopEvaluatingTriggersInAllPlugins 
@@ -1824,7 +1832,7 @@ class CMUSHclientDoc : public CDocument
 
 #endif // PANE
 
-  const COLORREF TranslateColour (const COLORREF & source) const;
+  const COLORREF TranslateColour (const COLORREF & source, const double opacity) const;
 
   void OnConnect(int nErrorCode);
   void HostNameResolved (WPARAM wParam, LPARAM lParam);

doc_construct.cpp

@@ -431,6 +431,9 @@ int i;
   m_bTreeviewAliases = true;       
   m_bTreeviewTimers = true;        
 
+  m_timeFadeCancelled = CTime ((time_t) 0);
+  m_timeLastWindowDraw = CTime ((time_t) 0);
+
   // set up some default triggers for MUSHes
 
   /*