Added option to have Ctrl+Backspace delete the entered word

Author: nickgammon

doc.h

@@ -930,6 +930,7 @@ class CMUSHclientDoc : public CDocument
   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
+  unsigned short m_bCtrlBackspaceDeletesLastWord; // Ctrl+Backspace deletes last word in command window
 
   // end of stuff saved to disk **************************************************************
 

doc_construct.cpp

@@ -433,6 +433,10 @@ int i;
 
   m_timeFadeCancelled = CTime ((time_t) 0);
   m_timeLastWindowDraw = CTime ((time_t) 0);
+  m_iFadeOutputBufferAfterSeconds = 0;
+  m_FadeOutputOpacityPercent = 20;
+  m_FadeOutputSeconds = 8;
+  m_bCtrlBackspaceDeletesLastWord = false;
 
   // set up some default triggers for MUSHes
 

scriptingoptions.cpp

@@ -72,6 +72,7 @@ tConfigurationNumericOption OptionsTable [] = {
 {"ctrl_n_goes_to_next_command",         false, O(m_bCtrlNGoesToNextCommand)},           
 {"ctrl_p_goes_to_previous_command",     false, O(m_bCtrlPGoesToPreviousCommand)},       
 {"ctrl_z_goes_to_end_of_buffer",        false, O(m_bCtrlZGoesToEndOfBuffer)},
+{"ctrl_backspace_deletes_last_word",    false, O(m_bCtrlBackspaceDeletesLastWord)},
 {"custom_16_is_default_colour",         false, O(m_bCustom16isDefaultColour), 0, 0, OPT_UPDATE_VIEWS},  
 
 {"default_trigger_send_to",              eSendToWorld, O(m_iDefaultTriggerSendTo), eSendToWorld, eSendToLast - 1},                      
@@ -112,9 +113,9 @@ tConfigurationNumericOption OptionsTable [] = {
 {"enable_triggers",                     true,  O(m_enable_triggers)},                   
 {"enable_trigger_sounds",               true,  O(m_enable_trigger_sounds)},             
 {"escape_deletes_input",                false, O(m_bEscapeDeletesInput)},               
-{"fade_output_buffer_after_seconds",    0,     O(m_iFadeOutputBufferAfterSeconds), 5, 3600 },  // seconds to wait before fading
-{"fade_output_opacity_percent",         20,    O(m_FadeOutputOpacityPercent), 0, 100 },        // percent to fade to
-{"fade_output_seconds",                 8,     O(m_FadeOutputSeconds), 1, 60 },                // how many seconds to take to fade
+{"fade_output_buffer_after_seconds",    0,     O(m_iFadeOutputBufferAfterSeconds), 5, 3600, OPT_UPDATE_VIEWS },  // seconds to wait before fading
+{"fade_output_opacity_percent",         20,    O(m_FadeOutputOpacityPercent), 0, 100, OPT_UPDATE_VIEWS },        // percent to fade to
+{"fade_output_seconds",                 8,     O(m_FadeOutputSeconds), 1, 60, OPT_UPDATE_VIEWS },                // how many seconds to take to fade
 {"flash_taskbar_icon",                  false, O(m_bFlashIcon)},                        
 {"history_lines",                       1000,  O(m_nHistoryLines), 20, 5000},       
 {"hyperlink_adds_to_command_history",   true,  O(m_bHyperlinkAddsToCommandHistory)},   

sendvw.cpp

@@ -2442,6 +2442,49 @@ ASSERT_VALID(pDoc);
 
 void CSendView::OnRepeatLastWord() 
 {
+CMUSHclientDoc* pDoc = GetDocument();
+ASSERT_VALID(pDoc);
+
+// if wanted, delete the last word in the command window
+if (pDoc->m_bCtrlBackspaceDeletesLastWord)
+  {
+  int nStartChar;
+  int nEndChar;
+
+  GetEditCtrl().GetSel(nStartChar, nEndChar);
+
+  // if something selected, just delete it
+
+  if (nStartChar != nEndChar)
+    {
+    GetEditCtrl().ReplaceSel ("", TRUE);
+    return;
+    }
+
+  // get current text
+
+  CString strCurrent;
+  GetEditCtrl().GetWindowText (strCurrent);
+
+  // don't bother if nothing typed
+
+  if (strCurrent.IsEmpty ())
+    return;
+
+  CString strLast = strCurrent.Mid (nStartChar);  // after the selection
+  CString strFirst = strCurrent.Left (nStartChar);  // up to the selection
+  strFirst.TrimRight ();  // skip trailing spaces
+  int iPos = strFirst.ReverseFind (' ');
+  strFirst = strFirst.Left (iPos + 1);  // up to and including the space
+  strFirst += strLast;  // put last bit back
+  GetEditCtrl().SetSel (0, -1);   // select all
+  GetEditCtrl().ReplaceSel (strFirst, TRUE);
+
+  return;
+  }
+
+// otherwise, recall the last word from the previously-sent line
+
 // can't, if no previous command
 if (m_msgList.IsEmpty ())
   return;