e4e3b1a9f4
* source/debug/tbrwtext.prg
! fixed small typo that was allowing wordwrapping long source code lines
and was messing with the correct display of the current line
291 lines
7.8 KiB
Plaintext
291 lines
7.8 KiB
Plaintext
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Text file browser class
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*
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* Copyright 2001 Maurilio Longo <maurilio.longo@libero.it>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbclass.ch"
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#include "common.ch"
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#include "fileio.ch"
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#include "inkey.ch"
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// Color definitions and positions inside ::cColorSpec
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#define CLR_CODE 0 // color of code
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#define CLR_CURSOR 1 // color of highlighted line (the line to be executed)
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#define CLR_BKPT 2 // color of breakpoint line
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#define CLR_HIBKPT 3 // color of highlighted breakpoint line
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CREATE CLASS HBBrwText INHERIT HBEditor
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VAR cFileName // the name of the browsed file
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VAR nActiveLine INIT 1 // Active line inside Code Window (the line to be executed)
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VAR aBreakPoints INIT {} // Array with line numbers of active Break Points
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VAR lLineNumbers // If .T. source code lines are preceded by their number
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ACCESS colorSpec INLINE ::cColorSpec
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ASSIGN colorSpec( cClr ) INLINE ::cColorSpec := cClr
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METHOD New( nTop, nLeft, nBottom, nRight, cFileName, cColor, lLineNumbers, nTabWidth )
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METHOD GoTop() // Methods available on a standard TBrowse, needed to handle a HBEditor like a TBrowse
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METHOD GoBottom()
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METHOD Up()
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METHOD Down()
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METHOD Left()
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METHOD Right()
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METHOD End()
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METHOD PageUp()
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METHOD PageDown()
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METHOD RefreshAll()
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METHOD RefreshCurrent()
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METHOD Resize( nTop, nLeft, nBottom, nRight )
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METHOD ScrollTo( nCol ) // Scroll the window to specified column
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METHOD ForceStable() INLINE NIL
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METHOD GotoLine( n ) // Moves active line cursor
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METHOD SetActiveLine( n ) // Sets the line to be executed
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METHOD GetLine( nRow ) // Redefine HBEditor method to add line number
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METHOD LineColor( nRow ) // Redefine HBEditor method to handle line coloring
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METHOD ToggleBreakPoint( nRow, lSet ) // if lSet is .T. there is a BreakPoint active at nRow, if lSet is .F. BreakPoint at nRow has to be removed
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METHOD Search( cString, lCaseSensitive, nMode ) // 0 from Begining to end, 1 Forward, 2 Backwards
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METHOD RowPos()
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ENDCLASS
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METHOD New( nTop, nLeft, nBottom, nRight, cFileName, cColor, lLineNumbers, nTabWidth ) CLASS HBBrwText
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DEFAULT cColor TO SetColor()
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DEFAULT lLineNumbers TO .T.
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::cFileName := cFileName
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::lLineNumbers := lLineNumbers
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::Super:New( "", nTop, nLeft, nBottom, nRight, .F., NIL, nTabWidth )
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::Super:SetColor( cColor )
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::Super:LoadFile( cFileName )
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RETURN Self
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METHOD GoTop() CLASS HBBrwText
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::MoveCursor( K_CTRL_PGUP )
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RETURN Self
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METHOD GoBottom() CLASS HBBrwText
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::MoveCursor( K_CTRL_PGDN )
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RETURN Self
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METHOD Up() CLASS HBBrwText
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::MoveCursor( K_UP )
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RETURN Self
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METHOD Left() CLASS HBBrwText
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::MoveCursor( K_LEFT )
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RETURN Self
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METHOD Right() CLASS HBBrwText
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::MoveCursor( K_RIGHT )
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RETURN Self
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METHOD End() CLASS HBBrwText
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::MoveCursor( K_END )
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RETURN Self
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METHOD Down() CLASS HBBrwText
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::MoveCursor( K_DOWN )
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RETURN Self
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METHOD PageUp() CLASS HBBrwText
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::MoveCursor( K_PGUP )
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RETURN Self
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METHOD PageDown() CLASS HBBrwText
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::MoveCursor( K_PGDN )
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RETURN Self
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METHOD RowPos()
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RETURN ::nRow
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METHOD RefreshAll() CLASS HBBrwText
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::display()
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RETURN Self
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METHOD RefreshCurrent() CLASS HBBrwText
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::RefreshLine()
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return Self
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METHOD SetActiveLine( n ) CLASS HBBrwText
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::nActiveLine := n
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::display()
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RETURN Self
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METHOD GotoLine( n ) CLASS HBBrwText
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::Super:GotoLine( n )
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RETURN Self
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METHOD GetLine( nRow ) CLASS HBBrwText
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RETURN iif( ::lLineNumbers, AllTrim( Str( nRow ) ) + ": ", "" ) + ::Super:GetLine( nRow )
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METHOD LineColor( nRow ) CLASS HBBrwText
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LOCAL lHilited := ( nRow == ::nActiveLine )
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LOCAL lBreak := AScan( ::aBreakPoints, nRow ) > 0
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LOCAL nIndex := CLR_CODE
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IF lHilited
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nIndex += CLR_CURSOR
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ENDIF
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IF lBreak
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nIndex += CLR_BKPT
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ENDIF
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RETURN hb_ColorIndex( ::cColorSpec, nIndex )
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METHOD ToggleBreakPoint( nRow, lSet ) CLASS HBBrwText
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LOCAL nAt := AScan( ::aBreakPoints, nRow )
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IF lSet
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// add it only if not present
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IF nAt == 0
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AAdd( ::aBreakPoints, nRow )
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ENDIF
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ELSEIF nAt != 0
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ADel( ::aBreakPoints, nAt )
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ASize( ::aBreakPoints, Len( ::aBreakPoints ) - 1 )
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ENDIF
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RETURN Self
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/* This method is to restore correct cursor position after ::Super:Resize() */
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METHOD Resize( nTop, nLeft, nBottom, nRight ) CLASS HBBrwText
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LOCAL nRow
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nRow := ::nRow
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::Super:Resize( nTop, nLeft, nBottom, nRight )
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::GotoLine( nRow )
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RETURN Self
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METHOD ScrollTo( nCol ) CLASS HBBrwText
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IF nCol >= 1
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::nCol := nCol
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::nFirstCol := nCol
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::display()
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::SetPos( ::Row(), ::nLeft )
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ENDIF
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RETURN Self
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METHOD Search( cString, lCaseSensitive, nMode ) CLASS HBBrwText
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LOCAL nFrom
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LOCAL nTo
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LOCAL nStep
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LOCAL nFor
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LOCAL lFound := .F.
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DEFAULT lCaseSensitive TO .F.
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DEFAULT nMode TO 0
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IF !lCaseSensitive
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cString := Upper( cString )
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ENDIF
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DO CASE
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CASE nMode == 0 // From Top
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nFrom := 1
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nTo := ::naTextLen
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nStep := 1
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CASE nMode == 1 // Forward
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nFrom := Min( ::nRow + 1, ::naTextLen )
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nTo := ::naTextLen
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nStep := 1
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CASE nMode == 2 // Backward
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nFrom := Max( ::nRow - 1, 1 )
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nTo := 1
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nStep := -1
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ENDCASE
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FOR nFor := nFrom TO nTo STEP nStep
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IF cString $ iif( lCaseSensitive, ::GetLine( nFor ), Upper( ::GetLine( nFor ) ) )
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lFound := .T.
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::GotoLine( nFor )
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EXIT
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ENDIF
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NEXT
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RETURN lFound
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