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Text File  |  1996-07-06  |  3KB  |  132 lines
  1. // ===========================================================================
  2. // CSearchWindow.h
  3. //   ---------------------
  4. //   ©1996 Eric Gundrum, All rights reserved.
  5. //   The contents of this file may be freely altered and freely distributed
  6. //   in any form, provided this copyright statement is retained unaltered.
  7. //   Add your own changes below.
  8. //   ---------------------
  9. //    
  10. //    Coordinate activities of the Search Window.  
  11. //
  12.  
  13. #pragma once
  14.  
  15. // PowerPlant Headers
  16. #include <LListener.h>
  17. #include <LWindow.h>
  18.  
  19. // Library Headers
  20. #include "DMultiStringLocator.h"
  21.  
  22.  
  23. #pragma mark --- CSearchString declarations ---
  24. // ===========================================================================
  25. //    Container for a search string and its report function.
  26.  
  27. class CSearchString    :    public DSearchString
  28. {
  29. public:
  30.                             CSearchString();
  31.     virtual    Boolean            ReportFound( long /*inPosition*/ );
  32.     static    Int32            SetBufferOffset( Int32 inOffset );
  33.             Int32            GetFoundCount()    { return mFoundCount; }
  34.             
  35. private:
  36.                 Int32    mFoundCount;
  37.                 long    mLastFoundPosition;    // location of end of last found
  38.     static        long    mBufferOffset;        // file position of start of buffer
  39. };
  40.  
  41.  
  42. // ---------------------------------------------------------------------------
  43. //
  44. inline
  45. CSearchString::CSearchString()
  46. { 
  47.     mFoundCount         = 0;
  48.     mLastFoundPosition    = 0;
  49. }
  50.  
  51.  
  52. // ---------------------------------------------------------------------------
  53. //
  54. inline Boolean
  55. CSearchString::ReportFound( long inPosition )
  56. { 
  57.     inPosition    += mBufferOffset;    // normalize found position
  58.     if ( inPosition > mLastFoundPosition )    // new found string
  59.     {
  60.         mLastFoundPosition = inPosition;
  61.         mFoundCount += 1;
  62.     }
  63.     return true;
  64. }
  65.  
  66.  
  67. // ---------------------------------------------------------------------------
  68. //
  69. inline Int32
  70. CSearchString::SetBufferOffset( Int32 inOffset ) 
  71. {
  72.     return mBufferOffset = inOffset;
  73. }
  74.  
  75.  
  76. #pragma mark --- CSearchWindow declarations ---
  77. // ===========================================================================
  78. //    Search Window coordinator.
  79.  
  80. class CSearchWindow    :    public LListener
  81.                     ,    public LCommander
  82. {
  83. public:
  84.     virtual                    ~CSearchWindow();
  85.                             CSearchWindow();
  86.     
  87.             void            ShowSearchWindow();
  88.             void            DoSearch();
  89.             void            SearchFile( LFileStream &inTarget );
  90.             
  91.             Boolean            WindowExists()    { return    nil != mSearchWindowP; }
  92.     virtual    void            ListenToMessage(
  93.                                 MessageT    inMessage,
  94.                                 void*        ioParam
  95.                             );
  96.     virtual    Boolean            AllowSubRemoval( LCommander *inSubP );
  97.     
  98. private:
  99.                             // stop defaults
  100.                             CSearchWindow( const CSearchWindow &inOriginal );
  101.                             
  102.             void            InsertSearchItem
  103.                             ( Int32 inPos, LEditField &inEditField );
  104.             void            EmptySearchList();
  105.                             
  106.             LWindow            *mSearchWindowP;    // search queary window
  107.             LList            mSearchList;        // pointers to search strings
  108. public:
  109.     // Window identifiers
  110.     enum                {
  111.                             msg_FilterExecute        = 'FndB'
  112.                         ,    msg_FilterCancel        = 'CanB'
  113.                         };
  114.  
  115.     enum    PaneIDT        {
  116.                             button_FilterExecute    = 'FndB'
  117.                         ,    button_FilterCancel        = 'CanB'
  118.                         ,    editField_Target1        = 'St1E'
  119.                         ,    editField_Target2        = 'St2E'
  120.                         ,    editField_Target3        = 'St3E'
  121.                         ,    caption_Result1            = 'Sr1C'
  122.                         ,    caption_Result2            = 'Sr2C'
  123.                         ,    caption_Result3            = 'Sr3C'
  124.                         ,    caption_Duration        = 'SrDC'
  125.                         };
  126. };
  127.  
  128.     // Find Window resource identifiers
  129.     const    ResIDT        window_Search            = 1100;
  130.  
  131. // ===========================================================================
  132. //    EOF