From d202dc791735913355e3287fbd149b9698ea6d7a Mon Sep 17 00:00:00 2001
From: wp_xxyyzz <wp_xxyyzz@8e941d3f-bd1b-0410-a28a-d453659cc2b4>
Date: Tue, 9 Sep 2014 13:19:30 +0000
Subject: [PATCH] fpspreadsheet: Show details on STANDARDWIDTH and GCW records
 in BIFF explorer; improved mouse wheel handling in BIFF explorer.

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@3533 8e941d3f-bd1b-0410-a28a-d453659cc2b4
---
 .../reference/BIFFExplorer/bebiffgrid.pas     | 288 +++++-------------
 .../reference/BIFFExplorer/bemain.lfm         |  62 ++--
 .../reference/BIFFExplorer/bemain.pas         |   3 +-
 3 files changed, 108 insertions(+), 245 deletions(-)

diff --git a/components/fpspreadsheet/reference/BIFFExplorer/bebiffgrid.pas b/components/fpspreadsheet/reference/BIFFExplorer/bebiffgrid.pas
index 27cf9b9fc..a9b6236d7 100644
--- a/components/fpspreadsheet/reference/BIFFExplorer/bebiffgrid.pas
+++ b/components/fpspreadsheet/reference/BIFFExplorer/bebiffgrid.pas
@@ -59,6 +59,7 @@ type
     procedure ShowFormatCount;
     procedure ShowFormula;
     procedure ShowFormulaTokens(ATokenBytes: Integer);
+    procedure ShowGCW;
     procedure ShowHeader;
     procedure ShowHideObj;
     procedure ShowInteger;
@@ -96,6 +97,7 @@ type
     procedure ShowSheet;
     procedure ShowSheetPR;
     procedure ShowSST;
+    procedure ShowStandardWidth;
     procedure ShowString;
     procedure ShowStyle;
     procedure ShowStyleExt;
@@ -113,6 +115,8 @@ type
   protected
     procedure Click; override;
     procedure DoExtractDetails;
+    function DoMouseWheelDown(Shift: TShiftState; MousePos: TPoint): Boolean; override;
+    function DoMouseWheelUp(Shift: TShiftState; MousePos: TPoint): Boolean; override;
     procedure ExtractString(ABufIndex: Integer; ALenBytes: Byte; AUnicode: Boolean;
       out AString: String; out ANumBytes: Integer; IgnoreCompressedFlag: Boolean = false);
     procedure PopulateGrid;
@@ -180,6 +184,19 @@ begin
   end;
 end;
 
+function TBIFFGrid.DoMouseWheelDown(Shift: TShiftState; MousePos: TPoint
+  ): Boolean;
+begin
+  Result := inherited;
+  Click;
+end;
+
+function TBIFFGrid.DoMouseWheelUp(Shift: TShiftState; MousePos: TPoint
+  ): Boolean;
+begin
+  Result := inherited;
+  Click;
+end;
 
 procedure TBIFFGrid.ExtractString(ABufIndex: Integer; ALenBytes: Byte; AUnicode: Boolean;
   out AString: String; out ANumBytes: Integer; IgnoreCompressedFlag: Boolean = false);
@@ -356,8 +373,12 @@ begin
       ShowHideObj;
     $0092:
       ShowPalette;
+    $099:
+      ShowStandardWidth;
     $00A1:
       ShowPageSetup;
+    $00AB:
+      ShowGCW;
     $00C1:
       ShowMMS;
     $009C:
@@ -2148,223 +2169,7 @@ begin
     'Size of formula data (in Bytes)');
 
   ShowFormulaTokens(tokenBytes);
-(*
-  // Tokens and parameters
-  firstTokenBufIdx := FBufferIndex;
-  while FBufferIndex < firstTokenBufIdx + tokenBytes do begin
-    token := FBuffer[FBufferIndex];
-    numBytes := 1;
-    case token of
-      $01: begin
-             ShowInRow(FCurrRow, FBufferIndex, numbytes, Format('$%.2x', [token]),
-               'Token for "Cell is part of shared formula"');
-             numbytes := 2;
-             Move(FBuffer[FBufferIndex], w, numBytes);
-             ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(WordLEToN(w)),
-               'Index to row of first FORMULA record in the formula range');
-             if FFormat = sfExcel2 then begin
-               numbytes := 1;
-               b := FBuffer[FBufferIndex];
-               ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(b),
-                 'Index to column of first FORMULA record in the formula range');
-             end else begin
-               numbytes := 2;
-               Move(FBuffer[FBufferIndex], w, numbytes);
-               ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(WordLEToN(w)),
-                 'Index to column of first FORMULA record in the formula range');
-             end;
-           end;
-      $02: begin
-             ShowInRow(FCurrRow, FBufferIndex, numbytes, Format('$%.2x', [token]),
-               'Token for "Cell is part of a multiple operations table"');
-             numbytes := 2;
-             Move(FBuffer[FBufferIndex], w, numBytes);
-             ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(WordLEToN(w)),
-               'Index to first row of the table range');
-             if FFormat = sfExcel2 then begin
-               numbytes := 1;
-               b := FBuffer[FBufferIndex];
-               ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(b),
-                 'Index to first column of the table range');
-             end else begin
-               numbytes := 2;
-               Move(FBuffer[FBufferIndex], w, numbytes);
-               ShowInRow(FCurrRow, FBufferIndex, numbytes, IntToStr(WordLEToN(w)),
-                 'Index to first column of the table range');
-             end;
-           end;
-      $03: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "+" (add)');
-      $04: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "-" (subtract)');
-      $05: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "*" (multiply)');
-      $06: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "/" (divide)');
-      $07: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "^" (power)');
-      $08: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "&" (concat)');
-      $09: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "<" (less than)');
-      $0A: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "<=" (less equal)');
-      $0B: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "=" (equal)');
-      $0C: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token ">=" (greater equal)');
-      $0D: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token ">" (greater than)');
-      $0E: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "<>" (not equal)');
-      $0F: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token " " (intersect)');
-      $10: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "list character"');
-      $11: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token ":" (range)');
-      $12: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "+" (unary plus)');
-      $13: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "-" (unary minus)');
-      $14: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "%" (percent)');
-      $15: ShowInRow(FCurrRow, FBufferIndex, numbytes, Format('$%.2x', [token]),
-             'Token "()" (operator in parenthesis)');
-      $16: ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             'Token "missing argument"');
-      $17: begin
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               'Token tSTR (Label)');
-             ExtractString(FBufferIndex, 1, (FFormat = sfExcel8), s, numBytes);
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, s, 'String value');
-           end;
-      $1C: begin
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               'Token tERR (Error)');
-             numBytes := 1;
-             b := FBuffer[FBufferIndex];
-             if FCurrRow = Row then begin
-               FDetails.Add('Error code:'#13);
-               FDetails.Add(Format('Code $%.2x --> "%s"', [b, b]));
-             end;
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [b]), 'Error code');
-           end;
-      $1D: begin
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               'Token tBOOL');
-             numBytes := 1;
-             b := FBuffer[FBufferIndex];
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(b),
-               '0=FALSE, 1=TRUE');
-           end;
-      $1E: begin
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               'Token tINT (Integer)');
-             numBytes := 2;
-             Move(FBuffer[FBufferIndex], w, numBytes);
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(WordLEToN(w)),
-               'Integer value');
-           end;
-      $1F: begin
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               'Token tNUM (Number)');
-             numBytes := 8;
-             Move(FBuffer[FBufferIndex], dbl, numBytes);
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('%g', [dbl]), //FloatToStr(dbl),
-               'IEEE 754 floating-point value');
-           end;
-      $20, $40, $60:
-           begin
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               'Token tARRAY');
-             if FFormat = sfExcel2 then numBytes := 6 else numBytes := 7;
-             ShowInRow(FCurrRow, FBufferIndex, numbytes, '', '(not used)');
-           end;
-      $21, $41, $61:
-           begin
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               'Token tFUNC (Function with fixed argument count)');
-             if FFormat = sfExcel2 then begin
-               numBytes := 1;
-               b := FBuffer[FBufferIndex];
-               s := Format('Index of function (%s)', [SheetFuncName(b)]);
-               ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(b), s);
-             end else begin
-               numBytes := 2;
-               Move(FBuffer[FBufferIndex], w, numBytes);
-               w := WordLEToN(w);
-               s := Format('Index of function (%s)', [SheetFuncName(w)]);
-               ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(w), s);
-             end;
-           end;
-      $22, $42, $62:
-           begin
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               'Token tFUNCVAR (Function with variable argument count)');
-             numBytes := 1;
-             b := FBuffer[FBufferIndex];
-             ShowInRow(FCurrRow, FBufferIndex, numBytes,  IntToStr(b),
-               'Number of arguments');
-             if FFormat = sfExcel2 then begin
-               numBytes := 1;
-               s := Format('Index of built-in function (%s)', [SheetFuncName(b)]);
-               ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(b), s);
-             end else begin
-               numBytes := 2;
-               Move(FBuffer[FBufferIndex], w, numbytes);
-               w := WordLEToN(w);
-               s := Format('Index of built-in function (%s)', [SheetFuncName(w)]);
-               ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(w), s);
-             end;
-           end;
-      $23, $43, $63:
-           begin
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               'Token tNAME');
-             numBytes := 2;
-             Move(FBuffer[FBufferIndex], w, numBytes);
-             case FFormat of
-               sfExcel2: s := 'DEFINEDNAME or EXTERNALNAME record';
-               sfExcel5: s := 'DEFINEDNAME record in Global Link Table';
-               sfExcel8: s := 'DEFINEDNAME record in Link Table';
-             end;
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(WordLEToN(w)),
-               '1-based index to '+s);
-             case FFormat of
-               sfExcel2: numBytes := 5;
-               sfExcel5: numBytes := 12;
-               sfExcel8: numBytes := 2;
-             end;
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, '', '(not used)');
-           end;
-      $24, $44, $64:
-           begin
-             case token of
-               $24: s := 'reference';
-               $44: s := 'value';
-               $64: s := 'array';
-             end;
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               Format('Token tREF (Cell %s)', [s]));
-             ShowCellAddress;
-           end;
-      $25, $45, $65:
-           begin
-             case token of
-               $25: s := 'reference';
-               $45: s := 'value';
-               $65: s := 'array';
-             end;
-             ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-               Format('Token tAREA (Cell range %s)', [s]));
-             ShowCellAddressRange;
-           end;
-    else   ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [token]),
-             '(unknown)');
-    end;
-  end;
-*)
+
   RowCount := FCurrRow;
   EndUpdate(true);
 end;
@@ -2702,6 +2507,41 @@ begin
 
 end;
 
+procedure TBIFFGrid.ShowGCW;
+var
+  numBytes: Integer;
+  b: Byte;
+  w: Word;
+  i,j: Integer;
+  bit: Byte;
+begin
+  RowCount := FixedRows + 33;
+  numBytes := 2;
+  Move(FBuffer[FBufferIndex], w, numbytes);
+  w := WordLEToN(w);
+  ShowInRow(FCurrRow, FBufferIndex, numBytes, IntToStr(w),
+    'Size of Global Column Width bit field (1 bit per column), must be 32');
+
+  numBytes := 1;
+  for i:= 0 to w-1 do begin
+    b := FBuffer[FBufferIndex];
+    if FCurrRow = Row then begin
+      FDetails.Add(Format('GCW (Global column width) record, byte #%d:'#13, [i]));
+      bit := 1;
+      for j:=0 to 7 do begin
+        if b and bit = 0
+          then FDetails.Add(Format('Bit $%.2x=0: Column %d uses width of COLWIDTH record.', [bit, j+i*8]))
+          else FDetails.Add(Format('Bit $%.2x=1: Column %d uses width of STANDARDWIDTH record '+
+                                   '(or, if not available, DEFCOLWIDTH record)', [bit, j+i*8]));
+        bit := bit * 2;
+      end;
+    end;
+    ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('$%.2x', [b]),
+      Format('Widths of columns %d-%d', [i*8, i*8+7]));
+  end;
+end;
+
+
 procedure TBIFFGrid.ShowHeader;
 var
   numbytes: Integer;
@@ -4177,6 +4017,20 @@ begin
 end;
 
 
+procedure TBIFFGrid.ShowStandardWidth;
+var
+  w: Word;
+  numBytes: Integer;
+begin
+  RowCount := FixedRows + 1;
+  numBytes := 2;
+  Move(FBuffer[FBufferIndex], w, numBytes);
+  w := WordLEToN(w);
+  ShowInRow(FCurrRow, FBufferIndex, numBytes, Format('%d (%f characters)', [w, w/256]),
+    'Default column width (overrides DFCOLWIDTH, in 1/256 of "0" width)');
+end;
+
+
 procedure TBIFFGrid.ShowString;
 var
   numBytes: Integer;
diff --git a/components/fpspreadsheet/reference/BIFFExplorer/bemain.lfm b/components/fpspreadsheet/reference/BIFFExplorer/bemain.lfm
index 2ef5d4369..e7ec7ffe8 100644
--- a/components/fpspreadsheet/reference/BIFFExplorer/bemain.lfm
+++ b/components/fpspreadsheet/reference/BIFFExplorer/bemain.lfm
@@ -4,7 +4,7 @@ object MainForm: TMainForm
   Top = 177
   Width = 1089
   Caption = 'BIFF Explorer'
-  ClientHeight = 556
+  ClientHeight = 551
   ClientWidth = 1089
   Menu = MainMenu
   OnCloseQuery = FormCloseQuery
@@ -15,7 +15,7 @@ object MainForm: TMainForm
   LCLVersion = '1.3'
   object Splitter1: TSplitter
     Left = 419
-    Height = 506
+    Height = 496
     Top = 27
     Width = 5
   end
@@ -57,32 +57,32 @@ object MainForm: TMainForm
   end
   object DetailPanel: TPanel
     Left = 424
-    Height = 506
+    Height = 496
     Top = 27
     Width = 665
     Align = alClient
     BevelOuter = bvNone
-    ClientHeight = 506
+    ClientHeight = 496
     ClientWidth = 665
     TabOrder = 2
     object PageControl: TPageControl
       Left = 0
-      Height = 506
+      Height = 496
       Top = 0
       Width = 665
-      ActivePage = PgValues
+      ActivePage = PgAnalysis
       Align = alClient
-      TabIndex = 1
+      TabIndex = 0
       TabOrder = 0
       OnChange = PageControlChange
       object PgAnalysis: TTabSheet
         Caption = 'Analysis'
-        ClientHeight = 478
+        ClientHeight = 463
         ClientWidth = 657
         object AnalysisDetails: TMemo
           Left = 0
           Height = 191
-          Top = 287
+          Top = 272
           Width = 657
           Align = alBottom
           Font.CharSet = ANSI_CHARSET
@@ -99,26 +99,34 @@ object MainForm: TMainForm
           Cursor = crVSplit
           Left = 0
           Height = 5
-          Top = 282
+          Top = 267
           Width = 657
           Align = alBottom
           ResizeAnchor = akBottom
         end
+        object StringGrid1: TStringGrid
+          Left = 66
+          Height = 100
+          Top = 43
+          Width = 200
+          Options = [goFixedVertLine, goFixedHorzLine, goVertLine, goHorzLine, goRangeSelect, goThumbTracking, goSmoothScroll, goSelectionActive]
+          TabOrder = 2
+        end
       end
       object PgValues: TTabSheet
         Caption = 'Values'
-        ClientHeight = 478
+        ClientHeight = 463
         ClientWidth = 657
         object ValueGrid: TStringGrid
           Left = 0
           Height = 158
-          Top = 320
+          Top = 305
           Width = 657
           Align = alBottom
           ColCount = 3
           DefaultColWidth = 100
           FixedCols = 0
-          Options = [goFixedVertLine, goFixedHorzLine, goVertLine, goHorzLine, goRangeSelect, goDrawFocusSelected, goColSizing, goSmoothScroll]
+          Options = [goFixedVertLine, goFixedHorzLine, goVertLine, goHorzLine, goRangeSelect, goDrawFocusSelected, goColSizing, goThumbTracking, goSmoothScroll]
           RowCount = 9
           TabOrder = 0
           TitleStyle = tsNative
@@ -143,17 +151,17 @@ object MainForm: TMainForm
         end
         object HexPanel: TPanel
           Left = 0
-          Height = 315
+          Height = 300
           Top = 0
           Width = 657
           Align = alClient
           Caption = 'HexPanel'
-          ClientHeight = 315
+          ClientHeight = 300
           ClientWidth = 657
           TabOrder = 1
           object HexGrid: TStringGrid
             Left = 1
-            Height = 313
+            Height = 298
             Top = 1
             Width = 373
             Align = alClient
@@ -241,7 +249,7 @@ object MainForm: TMainForm
           end
           object AlphaGrid: TStringGrid
             Left = 379
-            Height = 313
+            Height = 298
             Top = 1
             Width = 277
             Align = alRight
@@ -326,7 +334,7 @@ object MainForm: TMainForm
           end
           object HexDumpSplitter: TSplitter
             Left = 374
-            Height = 313
+            Height = 298
             Top = 1
             Width = 5
             Align = alRight
@@ -337,7 +345,7 @@ object MainForm: TMainForm
           Cursor = crVSplit
           Left = 0
           Height = 5
-          Top = 315
+          Top = 300
           Width = 657
           Align = alBottom
           ResizeAnchor = akBottom
@@ -347,19 +355,19 @@ object MainForm: TMainForm
   end
   object TreePanel: TPanel
     Left = 0
-    Height = 506
+    Height = 496
     Top = 27
     Width = 419
     Align = alLeft
     BevelOuter = bvNone
-    ClientHeight = 506
+    ClientHeight = 496
     ClientWidth = 419
     Constraints.MinWidth = 275
     TabOrder = 3
     object FindPanel: TPanel
       Left = 0
       Height = 36
-      Top = 470
+      Top = 460
       Width = 419
       Align = alBottom
       BevelOuter = bvNone
@@ -501,10 +509,10 @@ object MainForm: TMainForm
       end
       object CbFind: TComboBox
         Left = 28
-        Height = 23
+        Height = 28
         Top = 5
         Width = 183
-        ItemHeight = 15
+        ItemHeight = 20
         OnChange = CbFindChange
         OnKeyPress = CbFindKeyPress
         TabOrder = 0
@@ -512,7 +520,7 @@ object MainForm: TMainForm
     end
     object BIFFTree: TVirtualStringTree
       Left = 0
-      Height = 470
+      Height = 460
       Top = 0
       Width = 419
       Align = alClient
@@ -575,8 +583,8 @@ object MainForm: TMainForm
   end
   object StatusBar: TStatusBar
     Left = 0
-    Height = 23
-    Top = 533
+    Height = 28
+    Top = 523
     Width = 1089
     Panels = <    
       item
diff --git a/components/fpspreadsheet/reference/BIFFExplorer/bemain.pas b/components/fpspreadsheet/reference/BIFFExplorer/bemain.pas
index 5f3695192..9f1e5746e 100644
--- a/components/fpspreadsheet/reference/BIFFExplorer/bemain.pas
+++ b/components/fpspreadsheet/reference/BIFFExplorer/bemain.pas
@@ -13,7 +13,7 @@ uses
   fpolestorage,
   {$endif}
   fpSpreadsheet,
-  mrumanager, beBIFFGrid;
+  mrumanager, beBIFFGrid, types;
 
 type
   { Virtual tree node data }
@@ -69,6 +69,7 @@ type
     FindPanel: TPanel;
     SaveDialog: TSaveDialog;
     SpeedButton3: TSpeedButton;
+    StringGrid1: TStringGrid;
     TreePopupMenu: TPopupMenu;
     TreePanel: TPanel;
     BtnFindNext: TSpeedButton;