NyqTextCtrl Class Reference

#include <NyqBench.h>

Inheritance diagram for NyqTextCtrl:

Collaboration diagram for NyqTextCtrl:

Public Member Functions
	NyqTextCtrl (wxWindow *parent, wxWindowID id, const wxString &value, const wxPoint &pos, const wxSize &size, int style=0)
void	SetFocusFromKbd ()
void	MarkDirty ()
void	GoMatch ()
void	GoTop ()
void	GoUp ()
void	GoPrev ()
void	GoNext ()

Private Member Functions
void	OnKeyUp (wxKeyEvent &e)
void	OnChar (wxKeyEvent &e)
void	OnUpdate (wxUpdateUIEvent &e)
void	MoveCursor (long first, long second)
void	Colorize (long left, long right)
void	FindParens ()
	DECLARE_EVENT_TABLE ()

Private Attributes
wxLongToLongHashMap	mLeftParens
wxLongToLongHashMap	mRightParens
long	mLeftParen
long	mRightParen
long	mLastCaretPos
wxTextAttr	mOn
wxTextAttr	mOff

Detailed Description

Definition at line 29 of file NyqBench.h.

Constructor & Destructor Documentation

NyqTextCtrl()

NyqTextCtrl::NyqTextCtrl	(	wxWindow *	parent,
		wxWindowID	id,
		const wxString &	value,
		const wxPoint &	pos,
		const wxSize &	size,
		int	style = 0
	)

Definition at line 162 of file NyqBench.cpp.

:  wxTextCtrl(parent, id, value, pos, size, style)
{
   mLastCaretPos = -1;
   mLeftParen = -1;
   mRightParen = -1;
 
   mOn.SetTextColour(*wxRED);
   mOff.SetTextColour(*wxBLACK);
}

Member Function Documentation

Colorize()

void NyqTextCtrl::Colorize ( long  left, long  right  )

private

Definition at line 397 of file NyqBench.cpp.

{
   // Hide any previously highlighted parens
   if (mLeftParen >= 0) {
#if defined(__WXMSW__)
      Freeze(); // Prevents selection flashing on Windows
#endif
 
      SetStyle(mLeftParen, mLeftParen + 1, mOff);
      SetStyle(mLeftParens[mLeftParen], mLeftParens[mLeftParen] + 1, mOff);
      mLeftParen = -1;
      mRightParen = -1;
 
#if defined(__WXMSW__)
      Thaw(); // Prevents selection flashing on Windows
#endif
   }
 
   mLeftParen = left;
   mRightParen = right;
 
   if (mLeftParen != -1) {
      SetStyle(mLeftParen, mLeftParen + 1, mOn);
      SetStyle(mRightParen, mRightParen + 1, mOn);
 
      SetStyle(mLeftParen + 1, mLeftParen + 1, mOff);
      SetStyle(mRightParen + 1, mRightParen + 1, mOff);
   }
}

References mLeftParen, mLeftParens, mOff, mOn, and mRightParen.

Referenced by MoveCursor(), OnKeyUp(), and OnUpdate().

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DECLARE_EVENT_TABLE()

NyqTextCtrl::DECLARE_EVENT_TABLE ( )

private

FindParens()

void NyqTextCtrl::FindParens ( )

private

Definition at line 427 of file NyqBench.cpp.

{
   wxString text = GetValue();
   bool inquotes = false;
   wxArrayInt stack;
   long len = (long) text.Length();
   long pos;
 
   mLeftParens.clear();
   mRightParens.clear();
 
   for (pos = 0; pos < len; pos++) {
      wxChar c = text[pos];
      switch (c)
      {
         case wxT('"'):
            inquotes = !inquotes;
         break;
 
         case wxT(';'):
            if (!inquotes) {
               pos = (long)text.find(wxT('\n'), pos);
               if (pos == (long)wxString::npos) {
                  pos = len;
               }
            }
         break;
 
         case wxT('#'):
            if (!inquotes) {
               long ndx = pos + 1;
               if (ndx < len && text[(int)ndx] == wxT('|')) {
                  // Shamelessly stolen from xlread.c/pcomment()
                  wxChar lastch = -1;
                  int n = 1;
              
                  /* look for the matching delimiter (and handle nesting) */
                  while (n > 0 && ++pos < len) {
                     wxChar ch = text[(int)pos];
                     if (lastch == '|' && ch == '#') {
                        --n;
                        ch = -1;
                     }
                     else if (lastch == '#' && ch == '|') {
                        ++n;
                        ch = -1;
                     }
                     lastch = ch;
                  }
               }
            }
         break;
 
         case wxT('('):
            if (!inquotes) {
               stack.Add(pos);
            }
         break;
 
         case wxT(')'):
            if (!inquotes) {
               if (stack.GetCount() > 0) {
                  int left = stack.Last();
                  stack.RemoveAt(stack.GetCount() - 1);
 
                  mLeftParens[left] = pos;
                  mRightParens[pos] = left;
               }
            }
         break;
      }
   }
}

References mLeftParens, mRightParens, Tuple::detail::npos(), and wxT().

Referenced by MarkDirty().

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GoMatch()

void NyqTextCtrl::GoMatch

(

)

Definition at line 291 of file NyqBench.cpp.

{
   MoveCursor(mRightParen, mLeftParen);
}

References mLeftParen, MoveCursor(), and mRightParen.

Referenced by NyqBench::OnGoMatch().

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GoNext()

void NyqTextCtrl::GoNext

(

)

Definition at line 360 of file NyqBench.cpp.

{
   wxLongToLongHashMap::const_iterator it;
   long first = -1;
   long second = -1;
 
   if (mLeftParen != -1) {
      for (it = mLeftParens.begin(); it != mLeftParens.end(); it++) {
         if (it->first > mLeftParen && (first == -1 || it->first < first)) {
            first = it->first;
            second = it->second;
         }
      }
   }
 
   if (first != -1) {
      MoveCursor(first, second);
   }
}

References mLeftParen, mLeftParens, and MoveCursor().

Referenced by NyqBench::OnGoNext().

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GoPrev()

void NyqTextCtrl::GoPrev

(

)

Definition at line 340 of file NyqBench.cpp.

{
   wxLongToLongHashMap::const_iterator it;
   long first = -1;
   long second = -1;
 
   if (mLeftParen != -1) {
      for (it = mLeftParens.begin(); it != mLeftParens.end(); it++) {
         if (it->first < mLeftParen && it->first >= first) {
            first = it->first;
            second = it->second;
         }
      }
   }
 
   if (first != -1) {
      MoveCursor(first, second);
   }
}

References mLeftParen, mLeftParens, and MoveCursor().

Referenced by NyqBench::OnGoPrev().

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GoTop()

void NyqTextCtrl::GoTop

(

)

Definition at line 296 of file NyqBench.cpp.

{
   wxLongToLongHashMap::const_iterator it;
   long first = -1;
   long second = -1;
 
   if (mLeftParen != -1) {
      for (it = mLeftParens.begin(); it != mLeftParens.end(); it++) {
         if (mLeftParen > it->first && mLeftParen < it->second) {
            if (first == -1 || it->first < first) {
               first = it->first;
               second = it->second;
            }
         }
      }
   }
 
   if (first != -1) {
      MoveCursor(first, second);
   }
}

References mLeftParen, mLeftParens, and MoveCursor().

Referenced by NyqBench::OnGoTop().

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GoUp()

void NyqTextCtrl::GoUp

(

)

Definition at line 318 of file NyqBench.cpp.

{
   wxLongToLongHashMap::const_iterator it;
   long first = -1;
   long second = -1;
 
   if (mLeftParen != -1) {
      for (it = mLeftParens.begin(); it != mLeftParens.end(); it++) {
         if (mLeftParen > it->first && mLeftParen < it->second) {
            if (first == -1 || it->first > first) {
               first = it->first;
               second = it->second;
            }
         }
      }
   }
 
   if (first != -1) {
      MoveCursor(first, second);
   }
}

References mLeftParen, mLeftParens, and MoveCursor().

Referenced by NyqBench::OnGoUp().

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MarkDirty()

void NyqTextCtrl::MarkDirty

(

)

Definition at line 189 of file NyqBench.cpp.

{
   wxTextCtrl::MarkDirty();
   FindParens();
}

References FindParens().

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MoveCursor()

void NyqTextCtrl::MoveCursor ( long  first, long  second  )

private

Definition at line 380 of file NyqBench.cpp.

{
   int pos = GetInsertionPoint();
   int lpos = wxMax(0, pos - 1);
 
   wxString text = GetRange(lpos, pos);
 
   if (text[0] == wxT('(')) {
      SetInsertionPoint(first + 1);
      Colorize(first, second);
   }
   else if (text[0] == wxT(')')) {
      SetInsertionPoint(second + 1);
      Colorize(first, second);
   }
}

References Colorize(), and wxT().

Referenced by GoMatch(), GoNext(), GoPrev(), GoTop(), and GoUp().

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OnChar()

void NyqTextCtrl::OnChar ( wxKeyEvent &  e )

private

Definition at line 195 of file NyqBench.cpp.

{
   e.Skip();
 
   // Hide any previously highlighted parens
   if (mLeftParen >= 0) {
#if defined(__WXMSW__)
      Freeze(); // Prevents selection flashing on Windows
#endif
 
      SetStyle(mLeftParen, mLeftParen + 1, mOff);
      SetStyle(mLeftParens[mLeftParen], mLeftParens[mLeftParen] + 1, mOff);
      mLeftParen = -1;
      mRightParen = -1;
 
#if defined(__WXMSW__)
      Thaw(); // Prevents selection flashing on Windows
#endif
   }
}

References mLeftParen, mLeftParens, mOff, and mRightParen.

OnKeyUp()

void NyqTextCtrl::OnKeyUp ( wxKeyEvent &  e )

private

Definition at line 241 of file NyqBench.cpp.

{
   e.Skip();
 
   int pos = GetInsertionPoint();
   int lpos = wxMax(0, pos - 1);
 
   wxString text = GetRange(lpos, pos);
 
   if (text[0] == wxT('(')) {
      wxLongToLongHashMap::const_iterator left = mLeftParens.find(lpos);
      if (left != mLeftParens.end()) {
         Colorize(lpos, left->second);
      }
   }
   else if (text[0] == wxT(')')) {
      wxLongToLongHashMap::const_iterator right = mRightParens.find(lpos);
      if (right != mRightParens.end()) {
         Colorize(right->second, lpos);
      }
   }
}

References Colorize(), mLeftParens, mRightParens, and wxT().

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OnUpdate()

void NyqTextCtrl::OnUpdate ( wxUpdateUIEvent &  e )

private

Definition at line 264 of file NyqBench.cpp.

{
   int pos = GetInsertionPoint();
 
   if (pos != mLastCaretPos) {
      int lpos = wxMax(0, pos - 1);
   
      wxString text = GetRange(lpos, pos);
      if (text.Length() > 0) {
         if (text[0] == wxT('(')) {
            wxLongToLongHashMap::const_iterator left = mLeftParens.find(lpos);
            if (left != mLeftParens.end()) {
               Colorize(lpos, left->second);
            }
         }
         else if (text[0] == wxT(')')) {
            wxLongToLongHashMap::const_iterator right = mRightParens.find(lpos);
            if (right != mRightParens.end()) {
               Colorize(right->second, lpos);
            }
         }
      }
 
      mLastCaretPos = pos;
   }
}

References Colorize(), mLastCaretPos, mLeftParens, mRightParens, and wxT().

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SetFocusFromKbd()

void NyqTextCtrl::SetFocusFromKbd

(

)

Definition at line 178 of file NyqBench.cpp.

{
#if defined(__WXMSW__)
   // We do this to prevent wxMSW from selecting all text when the
   // user tabs into the text controls.
   wxWindowBase::SetFocusFromKbd();
#else
   wxTextCtrl::SetFocusFromKbd();
#endif
}

Member Data Documentation

mLastCaretPos

long NyqTextCtrl::mLastCaretPos

private

Definition at line 67 of file NyqBench.h.

Referenced by OnUpdate().

mLeftParen

long NyqTextCtrl::mLeftParen

private

Definition at line 64 of file NyqBench.h.

Referenced by Colorize(), GoMatch(), GoNext(), GoPrev(), GoTop(), GoUp(), and OnChar().

mLeftParens

wxLongToLongHashMap NyqTextCtrl::mLeftParens

private

Definition at line 61 of file NyqBench.h.

Referenced by Colorize(), FindParens(), GoNext(), GoPrev(), GoTop(), GoUp(), OnChar(), OnKeyUp(), and OnUpdate().

mOff

wxTextAttr NyqTextCtrl::mOff

private

Definition at line 70 of file NyqBench.h.

Referenced by Colorize(), and OnChar().

mOn

wxTextAttr NyqTextCtrl::mOn

private

Definition at line 69 of file NyqBench.h.

Referenced by Colorize().

mRightParen

long NyqTextCtrl::mRightParen

private

Definition at line 65 of file NyqBench.h.

Referenced by Colorize(), GoMatch(), and OnChar().

mRightParens

wxLongToLongHashMap NyqTextCtrl::mRightParens

private

Definition at line 62 of file NyqBench.h.

Referenced by FindParens(), OnKeyUp(), and OnUpdate().

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The documentation for this class was generated from the following files:

• NyqBench.h
• NyqBench.cpp