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editors.pas
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editors.pas
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unit Editors;
{$i platform.inc}
{$ifdef PPC_FPC}
{$H-}
{$else}
{$F+,O+,E+,N+}
{$endif}
{$X+,R-,I-,Q-,V-}
{$ifndef OS_UNIX}
{$S-}
{$endif}
{$define UNIXLF}
{2.0 compatibility}
{$ifdef VER2_0}
{$macro on}
{$define resourcestring := const}
{$endif}
interface
uses
sysutils,
Objects, Drivers,Views,Dialogs,FVCommon,FVConsts;
const
{ Length constants. }
Tab_Stop_Length = 74;
{$ifdef PPC_BP}
MaxLineLength = 1024;
MinBufLength = $1000;
MaxBufLength = $ff00;
NotFoundValue = $ffff;
LineInfoGrow = 256;
MaxLines = 16000;
{$else}
MaxLineLength = 4096;
MinBufLength = $1000;
MaxBufLength = $7fffff00;
NotFoundValue = $ffffffff;
LineInfoGrow = 1024;
MaxLines = $7ffffff;
{$endif}
{ Editor constants for dialog boxes. }
edOutOfMemory = 0;
edReadError = 1;
edWriteError = 2;
edCreateError = 3;
edSaveModify = 4;
edSaveUntitled = 5;
edSaveAs = 6;
edFind = 7;
edSearchFailed = 8;
edReplace = 9;
edReplacePrompt = 10;
edJumpToLine = 11;
edPasteNotPossible = 12;
edReformatDocument = 13;
edReformatNotAllowed = 14;
edReformNotPossible = 15;
edReplaceNotPossible = 16;
edRightMargin = 17;
edSetTabStops = 18;
edWrapNotPossible = 19;
{ Editor flag constants for dialog options. }
efCaseSensitive = $0001;
efWholeWordsOnly = $0002;
efPromptOnReplace = $0004;
efReplaceAll = $0008;
efDoReplace = $0010;
efBackupFiles = $0100;
{ Constants for object palettes. }
CIndicator = #2#3;
CEditor = #6#7;
CMemo = #26#27;
type
TEditorDialog = function (Dialog : Integer; Info : Pointer) : Word;
PIndicator = ^TIndicator;
TIndicator = object (TView)
Location : Objects.TPoint;
Modified : Boolean;
AutoIndent : Boolean; { Added boolean for AutoIndent mode. }
WordWrap : Boolean; { Added boolean for WordWrap mode. }
constructor Init (var Bounds : TRect);
procedure Draw; virtual;
function GetPalette : PPalette; virtual;
procedure SetState (AState : Word; Enable : Boolean); virtual;
procedure SetValue (ALocation : Objects.TPoint; IsAutoIndent : Boolean;
IsModified : Boolean;
IsWordWrap : Boolean);
end;
TLineInfoRec = record
Len,Attr : Sw_word;
end;
TLineInfoArr = array[0..MaxLines] of TLineInfoRec;
PLineInfoArr = ^TLineInfoArr;
PLineInfo = ^TLineInfo;
TLineInfo = object
Info : PLineInfoArr;
MaxPos : Sw_Word;
constructor Init;
destructor Done;
procedure Grow(pos:Sw_word);
procedure SetLen(pos,val:Sw_Word);
procedure SetAttr(pos,val:Sw_Word);
function GetLen(pos:Sw_Word):Sw_Word;
function GetAttr(pos:Sw_Word):Sw_Word;
end;
PEditBuffer = ^TEditBuffer;
TEditBuffer = array[0..MaxBufLength] of Char;
PEditor = ^TEditor;
TEditor = object (TView)
HScrollBar : PScrollBar;
VScrollBar : PScrollBar;
Indicator : PIndicator;
Buffer : PEditBuffer;
BufSize : Sw_Word;
BufLen : Sw_Word;
GapLen : Sw_Word;
SelStart : Sw_Word;
SelEnd : Sw_Word;
CurPtr : Sw_Word;
CurPos : Objects.TPoint;
Delta : Objects.TPoint;
Limit : Objects.TPoint;
DrawLine : Sw_Integer;
DrawPtr : Sw_Word;
DelCount : Sw_Word;
InsCount : Sw_Word;
Flags : Longint;
IsReadOnly : Boolean;
IsValid : Boolean;
CanUndo : Boolean;
Modified : Boolean;
Selecting : Boolean;
Overwrite : Boolean;
AutoIndent : Boolean;
NoSelect : Boolean;
TabSize : Sw_Word; { tabsize for displaying }
BlankLine : Sw_Word; { First blank line after a paragraph. }
Word_Wrap : Boolean; { Added boolean to toggle wordwrap on/off. }
Line_Number : string[8]; { Holds line number to jump to. }
Right_Margin : Sw_Integer; { Added integer to set right margin. }
Tab_Settings : String[Tab_Stop_Length]; { Added string to hold tab stops. }
constructor Init (var Bounds : TRect; AHScrollBar, AVScrollBar : PScrollBar;
AIndicator : PIndicator; ABufSize : Sw_Word);
constructor Load (var S : Objects.TStream);
destructor Done; virtual;
function BufChar (P : Sw_Word) : Char;
function BufPtr (P : Sw_Word) : Sw_Word;
procedure ChangeBounds (var Bounds : TRect); virtual;
procedure ConvertEvent (var Event : Drivers.TEvent); virtual;
function CursorVisible : Boolean;
procedure DeleteSelect;
procedure DoneBuffer; virtual;
procedure Draw; virtual;
procedure FormatLine (var DrawBuf; LinePtr : Sw_Word; Width : Sw_Integer; Colors : Word);virtual;
function GetPalette : PPalette; virtual;
procedure HandleEvent (var Event : Drivers.TEvent); virtual;
procedure InitBuffer; virtual;
function InsertBuffer (var P : PEditBuffer; Offset, Length : Sw_Word;AllowUndo, SelectText : Boolean) : Boolean;
function InsertFrom (Editor : PEditor) : Boolean; virtual;
function InsertText (Text : Pointer; Length : Sw_Word; SelectText : Boolean) : Boolean;
procedure ScrollTo (X, Y : Sw_Integer);
function Search (const FindStr : String; Opts : Word) : Boolean;
function SetBufSize (NewSize : Sw_Word) : Boolean; virtual;
procedure SetCmdState (Command : Word; Enable : Boolean);
procedure SetSelect (NewStart, NewEnd : Sw_Word; CurStart : Boolean);
procedure SetCurPtr (P : Sw_Word; SelectMode : Byte);
procedure SetState (AState : Word; Enable : Boolean); virtual;
procedure Store (var S : Objects.TStream);
procedure TrackCursor (Center : Boolean);
procedure Undo;
procedure UpdateCommands; virtual;
function Valid (Command : Word) : Boolean; virtual;
private
KeyState : Integer;
LockCount : Byte;
UpdateFlags : Byte;
Place_Marker : Array [1..10] of Sw_Word; { Inserted array to hold place markers. }
Search_Replace : Boolean; { Added boolean to test for Search and Replace insertions. }
procedure Center_Text (Select_Mode : Byte);
function CharPos (P, Target : Sw_Word) : Sw_Integer;
function CharPtr (P : Sw_Word; Target : Sw_Integer) : Sw_Word;
procedure Check_For_Word_Wrap (Select_Mode : Byte; Center_Cursor : Boolean);
function ClipCopy : Boolean;
procedure ClipCut;
procedure ClipPaste;
procedure DeleteRange (StartPtr, EndPtr : Sw_Word; DelSelect : Boolean);
procedure DoSearchReplace;
procedure DoUpdate;
function Do_Word_Wrap (Select_Mode : Byte; Center_Cursor : Boolean) : Boolean;
procedure DrawLines (Y, Count : Sw_Integer; LinePtr : Sw_Word);
procedure Find;
function GetMousePtr (Mouse : Objects.TPoint) : Sw_Word;
function HasSelection : Boolean;
procedure HideSelect;
procedure Insert_Line (Select_Mode : Byte);
function IsClipboard : Boolean;
procedure Jump_Place_Marker (Element : Byte; Select_Mode : Byte);
procedure Jump_To_Line (Select_Mode : Byte);
function LineEnd (P : Sw_Word) : Sw_Word;
function LineMove (P : Sw_Word; Count : Sw_Integer) : Sw_Word;
function LineStart (P : Sw_Word) : Sw_Word;
function LineNr (P : Sw_Word) : Sw_Word;
procedure Lock;
function NewLine (Select_Mode : Byte) : Boolean;
function NextChar (P : Sw_Word) : Sw_Word;
function NextLine (P : Sw_Word) : Sw_Word;
function NextWord (P : Sw_Word) : Sw_Word;
function PrevChar (P : Sw_Word) : Sw_Word;
function PrevLine (P : Sw_Word) : Sw_Word;
function PrevWord (P : Sw_Word) : Sw_Word;
procedure Reformat_Document (Select_Mode : Byte; Center_Cursor : Boolean);
function Reformat_Paragraph (Select_Mode : Byte; Center_Cursor : Boolean) : Boolean;
procedure Remove_EOL_Spaces (Select_Mode : Byte);
procedure Replace;
procedure Scroll_Down;
procedure Scroll_Up;
procedure Select_Word;
procedure SetBufLen (Length : Sw_Word);
procedure Set_Place_Marker (Element : Byte);
procedure Set_Right_Margin;
procedure Set_Tabs;
procedure StartSelect;
procedure Tab_Key (Select_Mode : Byte);
procedure ToggleInsMode;
procedure Unlock;
procedure Update (AFlags : Byte);
procedure Update_Place_Markers (AddCount : Word; KillCount : Word; StartPtr,EndPtr : Sw_Word);
end;
TMemoData = record
Length : Sw_Word;
Buffer : TEditBuffer;
end;
PMemo = ^TMemo;
TMemo = object (TEditor)
constructor Load (var S : Objects.TStream);
function DataSize : Sw_Word; virtual;
procedure GetData (var Rec); virtual;
function GetPalette : PPalette; virtual;
procedure HandleEvent (var Event : Drivers.TEvent); virtual;
procedure SetData (var Rec); virtual;
procedure Store (var S : Objects.TStream);
end;
PFileEditor = ^TFileEditor;
TFileEditor = object (TEditor)
FileName : FNameStr;
constructor Init (var Bounds : TRect; AHScrollBar, AVScrollBar : PScrollBar;
AIndicator : PIndicator; AFileName : FNameStr);
constructor Load (var S : Objects.TStream);
procedure DoneBuffer; virtual;
procedure HandleEvent (var Event : Drivers.TEvent); virtual;
procedure InitBuffer; virtual;
function LoadFile : Boolean;
function Save : Boolean;
function SaveAs : Boolean;
function SaveFile : Boolean;
function SetBufSize (NewSize : Sw_Word) : Boolean; virtual;
procedure Store (var S : Objects.TStream);
procedure UpdateCommands; virtual;
function Valid (Command : Word) : Boolean; virtual;
end;
PEditWindow = ^TEditWindow;
TEditWindow = object (TWindow)
Editor : PFileEditor;
constructor Init (var Bounds : TRect; FileName : FNameStr; ANumber : Integer);
constructor Load (var S : Objects.TStream);
procedure Close; virtual;
function GetTitle (MaxSize : Sw_Integer) : TTitleStr; virtual;
procedure HandleEvent (var Event : Drivers.TEvent); virtual;
procedure SizeLimits(var Min, Max: TPoint); virtual;
procedure Store (var S : Objects.TStream);
end;
function DefEditorDialog (Dialog : Integer; Info : Pointer) : Word;
function CreateFindDialog: PDialog;
function CreateReplaceDialog: PDialog;
function JumpLineDialog : PDialog;
function ReformDocDialog : PDialog;
function RightMarginDialog : PDialog;
function TabStopDialog : Dialogs.PDialog;
function StdEditorDialog(Dialog: Integer; Info: Pointer): Word;
const
WordChars : set of Char = ['!'..#255];
LineBreak : string[2]=
{$ifdef UNIXLF}
#10;
{$else}
#13#10;
{$endif}
{ The Allow_Reformat boolean is a programmer hook. }
{ I've placed this here to allow programmers to }
{ determine whether or not paragraph and document }
{ reformatting are allowed if Word_Wrap is not }
{ active. Some people say don't allow, and others }
{ say allow it. I've left it up to the programmer. }
{ Set to FALSE if not allowed, or TRUE if allowed. }
Allow_Reformat : Boolean = True;
EditorDialog : TEditorDialog = {$ifdef fpc}@{$endif}DefEditorDialog;
EditorFlags : Word = efBackupFiles + efPromptOnReplace;
FindStr : String[80] = '';
ReplaceStr : String[80] = '';
Clipboard : PEditor = nil;
ToClipCmds : TCommandSet = ([cmCut,cmCopy,cmClear]);
FromClipCmds : TCommandSet = ([cmPaste]);
UndoCmds : TCommandSet = ([cmUndo,cmRedo]);
TYPE
TFindDialogRec =
{$ifndef FPC_REQUIRES_PROPER_ALIGNMENT}
packed
{$endif FPC_REQUIRES_PROPER_ALIGNMENT}
record
Find : String[80];
Options : Word;
end;
TReplaceDialogRec =
{$ifndef FPC_REQUIRES_PROPER_ALIGNMENT}
packed
{$endif FPC_REQUIRES_PROPER_ALIGNMENT}
record
Find : String[80];
Replace : String[80];
Options : Word;
end;
TRightMarginRec =
{$ifndef FPC_REQUIRES_PROPER_ALIGNMENT}
packed
{$endif FPC_REQUIRES_PROPER_ALIGNMENT}
record
Margin_Position : String[3];
end;
TTabStopRec =
{$ifndef FPC_REQUIRES_PROPER_ALIGNMENT}
packed
{$endif FPC_REQUIRES_PROPER_ALIGNMENT}
record
Tab_String : String [Tab_Stop_Length];
end;
CONST
{ VMT constants. }
REditor : TStreamRec = (ObjType : 70;
VmtLink : Ofs (TypeOf (TEditor)^);
Load : @TEditor.Load;
Store : @TEditor.Store);
RMemo : TStreamRec = (ObjType : 71;
VmtLink : Ofs (TypeOf (TMemo)^);
Load : @TMemo.Load;
Store : @TMemo.Store);
RFileEditor : TStreamRec = (ObjType : 72;
VmtLink : Ofs (TypeOf (TFileEditor)^);
Load : @TFileEditor.Load;
Store : @TFileEditor.Store);
RIndicator : TStreamRec = (ObjType : 73;
VmtLink : Ofs (TypeOf (TIndicator)^);
Load : @TIndicator.Load;
Store : @TIndicator.Store);
REditWindow : TStreamRec = (ObjType : 74;
VmtLink : Ofs (TypeOf (TEditWindow)^);
Load : @TEditWindow.Load;
Store : @TEditWindow.Store);
procedure RegisterEditors;
{****************************************************************************
Implementation
****************************************************************************}
implementation
uses
Dos, App, StdDlg, MsgBox{, Resource};
type
pword = ^word;
resourcestring sClipboard='Clipboard';
sFileCreateError='Error creating file %s';
sFileReadError='Error reading file %s';
sFileUntitled='Save untitled file?';
sFileWriteError='Error writing to file %s';
sFind='Find';
sJumpTo='Jump To';
sModified=''#3'%s'#13#10#13#3'has been modified. Save?';
sOutOfMemory='Not enough memory for this operation.';
sPasteNotPossible='Wordwrap on: Paste not possible in current margins when at end of line.';
sReformatDocument='Reformat Document';
sReformatNotPossible='Paragraph reformat not possible while trying to wrap current line with current margins.';
sReformattingTheDocument='Reformatting the document:';
sReplaceNotPossible='Wordwrap on: Replace not possible in current margins when at end of line.';
sReplaceThisOccurence='Replace this occurrence?';
sRightMargin='Right Margin';
sSearchStringNotFound='Search string not found.';
sSelectWhereToBegin='Please select where to begin.';
sSetting='Setting:';
sTabSettings='Tab Settings';
sUnknownDialog='Unknown dialog requested!';
sUntitled='Untitled';
sWordWrapNotPossible='Wordwrap on: Wordwrap not possible in current margins with continuous line.';
sWordWrapOff='You must turn on wordwrap before you can reformat.';
slCaseSensitive='~C~ase sensitive';
slCurrentLine='~C~urrent line';
slEntireDocument='~E~ntire document';
slLineNumber='~L~ine number';
slNewText='~N~ew text';
slPromptOnReplace='~P~rompt on replace';
slReplace='~R~eplace';
slReplaceAll='~R~eplace all';
slTextToFind='~T~ext to find';
slWholeWordsOnly='~W~hole words only';
CONST
{ Update flag constants. }
ufUpdate = $01;
ufLine = $02;
ufView = $04;
ufStats = $05;
{ SelectMode constants. }
smExtend = $01;
smDouble = $02;
sfSearchFailed = NotFoundValue;
{ Arrays that hold all the command keys and options. }
FirstKeys : array[0..46 * 2] of Word = (46, Ord (^A), cmWordLeft,
Ord (^B), cmReformPara,
Ord (^C), cmPageDown,
Ord (^D), cmCharRight,
Ord (^E), cmLineUp,
Ord (^F), cmWordRight,
Ord (^G), cmDelChar,
Ord (^H), cmBackSpace,
Ord (^I), cmTabKey,
Ord (^J), $FF04,
Ord (^K), $FF02,
Ord (^L), cmSearchAgain,
Ord (^M), cmNewLine,
Ord (^N), cmInsertLine,
Ord (^O), $FF03,
Ord (^Q), $FF01,
Ord (^R), cmPageUp,
Ord (^S), cmCharLeft,
Ord (^T), cmDelWord,
Ord (^U), cmUndo,
Ord (^V), cmInsMode,
Ord (^W), cmScrollUp,
Ord (^X), cmLineDown,
Ord (^Y), cmDelLine,
Ord (^Z), cmScrollDown,
kbLeft, cmCharLeft,
kbRight, cmCharRight,
kbCtrlLeft, cmWordLeft,
kbCtrlRight, cmWordRight,
kbHome, cmLineStart,
kbEnd, cmLineEnd,
kbCtrlHome, cmHomePage,
kbCtrlEnd, cmEndPage,
kbUp, cmLineUp,
kbDown, cmLineDown,
kbPgUp, cmPageUp,
kbPgDn, cmPageDown,
kbCtrlPgUp, cmTextStart,
kbCtrlPgDn, cmTextEnd,
kbIns, cmInsMode,
kbDel, cmDelChar,
kbCtrlBack, cmDelStart,
kbShiftIns, cmPaste,
kbShiftDel, cmCut,
kbCtrlIns, cmCopy,
kbCtrlDel, cmClear);
{ SCRLUP - Stop. } { Added ^W to scroll screen up. }
{ SCRLDN - Stop. } { Added ^Z to scroll screen down. }
{ REFORM - Stop. } { Added ^B for paragraph reformatting. }
{ PRETAB - Stop. } { Added ^I for preset tabbing. }
{ JLINE - Stop. } { Added ^J to jump to a line number. }
{ INSLIN - Stop. } { Added ^N to insert line at cursor. }
{ INDENT - Stop. } { Removed ^O and put it into ^QI. }
{ HOMEND - Stop. } { Added kbCtrlHome and kbCtrlEnd pages. }
{ CTRLBK - Stop. } { Added kbCtrlBack same as ^QH. }
QuickKeys : array[0..21 * 2] of Word = (21, Ord ('0'), cmJumpMark0,
Ord ('1'), cmJumpMark1,
Ord ('2'), cmJumpMark2,
Ord ('3'), cmJumpMark3,
Ord ('4'), cmJumpMark4,
Ord ('5'), cmJumpMark5,
Ord ('6'), cmJumpMark6,
Ord ('7'), cmJumpMark7,
Ord ('8'), cmJumpMark8,
Ord ('9'), cmJumpMark9,
Ord ('A'), cmReplace,
Ord ('C'), cmTextEnd,
Ord ('D'), cmLineEnd,
Ord ('F'), cmFind,
Ord ('H'), cmDelStart,
Ord ('I'), cmIndentMode,
Ord ('L'), cmUndo,
Ord ('R'), cmTextStart,
Ord ('S'), cmLineStart,
Ord ('U'), cmReformDoc,
Ord ('Y'), cmDelEnd);
{ UNDO - Stop. } { Added IDE undo feature of ^QL. }
{ REFDOC - Stop. } { Added document reformat feature if ^QU pressed. }
{ MARK - Stop. } { Added cmJumpMark# to allow place marking. }
{ INDENT - Stop. } { Moved IndentMode here from Firstkeys. }
BlockKeys : array[0..20 * 2] of Word = (20, Ord ('0'), cmSetMark0,
Ord ('1'), cmSetMark1,
Ord ('2'), cmSetMark2,
Ord ('3'), cmSetMark3,
Ord ('4'), cmSetMark4,
Ord ('5'), cmSetMark5,
Ord ('6'), cmSetMark6,
Ord ('7'), cmSetMark7,
Ord ('8'), cmSetMark8,
Ord ('9'), cmSetMark9,
Ord ('B'), cmStartSelect,
Ord ('C'), cmPaste,
Ord ('D'), cmSave,
Ord ('F'), cmSaveAs,
Ord ('H'), cmHideSelect,
Ord ('K'), cmCopy,
Ord ('S'), cmSave,
Ord ('T'), cmSelectWord,
Ord ('Y'), cmCut,
Ord ('X'), cmSaveDone);
{ SELWRD - Stop. } { Added ^KT to select word only. }
{ SAVE - Stop. } { Added ^KD, ^KF, ^KS, ^KX key commands. }
{ MARK - Stop. } { Added cmSetMark# to allow place marking. }
FormatKeys : array[0..5 * 2] of Word = (5, Ord ('C'), cmCenterText,
Ord ('T'), cmCenterText,
Ord ('I'), cmSetTabs,
Ord ('R'), cmRightMargin,
Ord ('W'), cmWordWrap);
{ WRAP - Stop. } { Added Wordwrap feature if ^OW pressed. }
{ RMSET - Stop. } { Added set right margin feature if ^OR pressed. }
{ PRETAB - Stop. } { Added preset tab feature if ^OI pressed. }
{ CENTER - Stop. } { Added center text option ^OC for a line. }
JumpKeys : array[0..1 * 2] of Word = (1, Ord ('L'), cmJumpLine);
{ JLINE - Stop. } { Added jump to line number feature if ^JL pressed. }
KeyMap : array[0..4] of Pointer = (@FirstKeys,
@QuickKeys,
@BlockKeys,
@FormatKeys,
@JumpKeys);
{ WRAP - Stop. } { Added @FormatKeys for new ^O? keys. }
{ PRETAB - Stop. } { Added @FormatKeys for new ^O? keys. }
{ JLINE - Stop. } { Added @JumpKeys for new ^J? keys. }
{ CENTER - Stop. } { Added @FormatKeys for new ^O? keys. }
{****************************************************************************
Dialogs
****************************************************************************}
function DefEditorDialog (Dialog : Integer; Info : Pointer) : Word;
begin
DefEditorDialog := cmCancel;
end; { DefEditorDialog }
function CreateFindDialog: PDialog;
var
D: PDialog;
Control: PView;
R: TRect;
begin
R.Assign(0, 0, 38, 12);
D := New(PDialog, Init(R,sFind));
with D^ do
begin
Options := Options or ofCentered;
R.Assign(3, 3, 32, 4);
Control := New(PInputLine, Init(R, 80));
Control^.HelpCtx := hcDFindText;
Insert(Control);
R.Assign(2, 2, 15, 3);
Insert(New(PLabel, Init(R, slTextToFind, Control)));
R.Assign(32, 3, 35, 4);
Insert(New(PHistory, Init(R, PInputLine(Control), 10)));
R.Assign(3, 5, 35, 7);
Control := New(PCheckBoxes, Init(R,
NewSItem (slCaseSensitive,
NewSItem (slWholeWordsOnly,nil))));
Control^.HelpCtx := hcCCaseSensitive;
Insert(Control);
R.Assign(14, 9, 24, 11);
Control := New (PButton, Init(R,slOK,cmOk,bfDefault));
Control^.HelpCtx := hcDOk;
Insert (Control);
Inc(R.A.X, 12); Inc(R.B.X, 12);
Control := New (PButton, Init(R,slCancel,cmCancel, bfNormal));
Control^.HelpCtx := hcDCancel;
Insert (Control);
SelectNext(False);
end;
CreateFindDialog := D;
end;
function CreateReplaceDialog: PDialog;
var
D: PDialog;
Control: PView;
R: TRect;
begin
R.Assign(0, 0, 40, 16);
D := New(PDialog, Init(R,slReplace));
with D^ do
begin
Options := Options or ofCentered;
R.Assign(3, 3, 34, 4);
Control := New(PInputLine, Init(R, 80));
Control^.HelpCtx := hcDFindText;
Insert(Control);
R.Assign(2, 2, 15, 3);
Insert(New(PLabel, Init(R,slTextToFind, Control)));
R.Assign(34, 3, 37, 4);
Insert(New(PHistory, Init(R, PInputLine(Control), 10)));
R.Assign(3, 6, 34, 7);
Control := New(PInputLine, Init(R, 80));
Control^.HelpCtx := hcDReplaceText;
Insert(Control);
R.Assign(2, 5, 12, 6);
Insert(New(PLabel, Init(R,slNewText, Control)));
R.Assign(34, 6, 37, 7);
Insert(New(PHistory, Init(R, PInputLine(Control), 11)));
R.Assign(3, 8, 37, 12);
Control := New (Dialogs.PCheckBoxes, Init (R,
NewSItem (slCasesensitive,
NewSItem (slWholewordsonly,
NewSItem (slPromptonreplace,
NewSItem (slReplaceall, nil))))));
Control^.HelpCtx := hcCCaseSensitive;
Insert (Control);
R.Assign (8, 13, 18, 15);
Control := New (PButton, Init (R,slOK, cmOk, bfDefault));
Control^.HelpCtx := hcDOk;
Insert (Control);
R.Assign (22, 13, 32, 15);
Control := New (PButton, Init (R,slCancel, cmCancel, bfNormal));
Control^.HelpCtx := hcDCancel;
Insert (Control);
SelectNext(False);
end;
CreateReplaceDialog := D;
end;
function JumpLineDialog : PDialog;
VAR
D : PDialog;
R : TRect;
Control: PView;
Begin
R.Assign (0, 0, 26, 8);
D := New(PDialog, Init(R,sJumpTo));
with D^ do
begin
Options := Options or ofCentered;
R.Assign (3, 2, 15, 3);
Control := New (Dialogs.PStaticText, Init (R,slLineNumber));
Insert (Control);
R.Assign (15, 2, 21, 3);
Control := New (Dialogs.PInputLine, Init (R, 4));
Control^.HelpCtx := hcDLineNumber;
Insert (Control);
R.Assign (21, 2, 24, 3);
Insert (New (Dialogs.PHistory, Init (R, Dialogs.PInputLine (Control), 12)));
R.Assign (2, 5, 12, 7);
Control := New (Dialogs.PButton, Init (R, slOK, cmOK, Dialogs.bfDefault));
Control^.HelpCtx := hcDOk;
Insert (Control);
R.Assign (14, 5, 24, 7);
Control := New (Dialogs.PButton, Init (R, slCancel, cmCancel, Dialogs.bfNormal));
Control^.HelpCtx := hcDCancel;
Insert (Control);
SelectNext (False);
end;
JumpLineDialog := D;
end; { JumpLineDialog }
function ReformDocDialog : Dialogs.PDialog;
{ This is a local function that brings up a dialog box }
{ that asks where to start reformatting the document. }
VAR
R : TRect;
D : Dialogs.PDialog;
Control : PView;
Begin
R.Assign (0, 0, 32, 11);
D := New (Dialogs.PDialog, Init (R, sReformatDocument));
with D^ do
begin
Options := Options or ofCentered;
R.Assign (2, 2, 30, 3);
Control := New (Dialogs.PStaticText, Init (R, sSelectWhereToBegin));
Insert (Control);
R.Assign (3, 3, 29, 4);
Control := New (Dialogs.PStaticText, Init (R, sReformattingTheDocument));
Insert (Control);
R.Assign (50, 5, 68, 6);
Control := New (Dialogs.PLabel, Init (R, sReformatDocument, Control));
Insert (Control);
R.Assign (5, 5, 26, 7);
Control := New (Dialogs.PRadioButtons, Init (R,
NewSItem (slCurrentLine,
NewSItem (slEntireDocument, Nil))));
Control^.HelpCtx := hcDReformDoc;
Insert (Control);
R.Assign (4, 8, 14, 10);
Control := New (Dialogs.PButton, Init (R, slOK, cmOK, Dialogs.bfDefault));
Control^.HelpCtx := hcDOk;
Insert (Control);
R.Assign (17, 8, 27, 10);
Control := New (Dialogs.PButton, Init (R, slCancel, cmCancel, Dialogs.bfNormal));
Control^.HelpCtx := hcDCancel;
Insert (Control);
SelectNext (False);
end;
ReformDocDialog := D;
end; { ReformDocDialog }
function RightMarginDialog : Dialogs.PDialog;
{ This is a local function that brings up a dialog box }
{ that allows the user to change the Right_Margin. }
VAR
R : TRect;
D : PDialog;
Control : PView;
Begin
R.Assign (0, 0, 26, 8);
D := New (Dialogs.PDialog, Init (R, sRightMargin));
with D^ do
begin
Options := Options or ofCentered;
R.Assign (5, 2, 13, 3);
Control := New (Dialogs.PStaticText, Init (R, sSetting));
Insert (Control);
R.Assign (13, 2, 18, 3);
Control := New (Dialogs.PInputLine, Init (R, 3));
Control^.HelpCtx := hcDRightMargin;
Insert (Control);
R.Assign (18, 2, 21, 3);
Insert (New (Dialogs.PHistory, Init (R, Dialogs.PInputLine (Control), 13)));
R.Assign (2, 5, 12, 7);
Control := New (Dialogs.PButton, Init (R, slOK, cmOK, Dialogs.bfDefault));
Control^.HelpCtx := hcDOk;
Insert (Control);
R.Assign (14, 5, 24, 7);
Control := New (Dialogs.PButton, Init (R, slCancel, cmCancel, Dialogs.bfNormal));
Control^.HelpCtx := hcDCancel;
Insert (Control);
SelectNext (False);
end;
RightMarginDialog := D;
end; { RightMarginDialog; }
function TabStopDialog : Dialogs.PDialog;
{ This is a local function that brings up a dialog box }
{ that allows the user to set their own tab stops. }
VAR
Index : Sw_Integer; { Local Indexing variable. }
R : TRect;
D : PDialog;
Control : PView;
Tab_Stop : String[2]; { Local string to print tab column number. }
Begin
R.Assign (0, 0, 80, 8);
D := New (Dialogs.PDialog, Init (R, sTabSettings));
with D^ do
begin
Options := Options or ofCentered;
R.Assign (2, 2, 77, 3);
Control := New (Dialogs.PStaticText, Init (R,
' ....|....|....|....|....|....|....|....|....|....|....|....|....|....|....'));
Insert (Control);
for Index := 1 to 7 do
begin
R.Assign (Index * 10 + 1, 1, Index * 10 + 3, 2);
Str (Index * 10, Tab_Stop);
Control := New (Dialogs.PStaticText, Init (R, Tab_Stop));
Insert (Control);
end;
R.Assign (2, 3, 78, 4);
Control := New (Dialogs.PInputLine, Init (R, 74));
Control^.HelpCtx := hcDTabStops;
Insert (Control);
R.Assign (38, 5, 41, 6);
Insert (New (Dialogs.PHistory, Init (R, Dialogs.PInputLine (Control), 14)));
R.Assign (27, 5, 37, 7);
Control := New (Dialogs.PButton, Init (R, slOK, cmOK, Dialogs.bfDefault));
Control^.HelpCtx := hcDOk;
Insert (Control);
R.Assign (42, 5, 52, 7);
Control := New (Dialogs.PButton, Init (R, slCancel, cmCancel, Dialogs.bfNormal));
Control^.HelpCtx := hcDCancel;
Insert (Control);
SelectNext (False);
end;
TabStopDialog := D;
end { TabStopDialog };
function StdEditorDialog(Dialog: Integer; Info: Pointer): Word;
var
R: TRect;
T: TPoint;
begin
case Dialog of
edOutOfMemory:
StdEditorDialog := MessageBox(sOutOfMemory, nil, mfError + mfOkButton);
edReadError:
StdEditorDialog := MessageBox(sFileReadError, @Info, mfError + mfOkButton);
edWriteError:
StdEditorDialog := MessageBox(sFileWriteError, @Info, mfError + mfOkButton);
edCreateError:
StdEditorDialog := MessageBox(sFileCreateError, @Info, mfError + mfOkButton);
edSaveModify:
StdEditorDialog := MessageBox(sModified, @Info, mfInformation + mfYesNoCancel);
edSaveUntitled:
StdEditorDialog := MessageBox(sFileUntitled, nil, mfInformation + mfYesNoCancel);
edSaveAs:
StdEditorDialog := Application^.ExecuteDialog(New(PFileDialog, Init('*.*',
slSaveFileAs, slName, fdOkButton, 101)), Info);
edFind:
StdEditorDialog := Application^.ExecuteDialog(CreateFindDialog, Info);
edSearchFailed:
StdEditorDialog := MessageBox(sSearchStringNotFound, nil, mfError + mfOkButton);
edReplace:
StdEditorDialog := Application^.ExecuteDialog(CreateReplaceDialog, Info);
edReplacePrompt:
begin
{ Avoid placing the dialog on the same line as the cursor }
R.Assign(0, 1, 40, 8);
R.Move((Desktop^.Size.X - R.B.X) div 2, 0);
Desktop^.MakeGlobal(R.B, T);
Inc(T.Y);
if PPoint(Info)^.Y <= T.Y then
R.Move(0, Desktop^.Size.Y - R.B.Y - 2);
StdEditorDialog := MessageBoxRect(R, sReplaceThisOccurence,
nil, mfYesNoCancel + mfInformation);
end;
edJumpToLine:
StdEditorDialog := Application^.ExecuteDialog(JumpLineDialog, Info);
edSetTabStops:
StdEditorDialog := Application^.ExecuteDialog(TabStopDialog, Info);
edPasteNotPossible:
StdEditorDialog := MessageBox (sPasteNotPossible, nil, mfError + mfOkButton);
edReformatDocument:
StdEditorDialog := Application^.ExecuteDialog(ReformDocDialog, Info);
edReformatNotAllowed:
StdEditorDialog := MessageBox (sWordWrapOff, nil, mfError + mfOkButton);
edReformNotPossible:
StdEditorDialog := MessageBox (sReformatNotPossible, nil, mfError + mfOkButton);
edReplaceNotPossible:
StdEditorDialog := MessageBox (sReplaceNotPossible, nil, mfError + mfOkButton);
edRightMargin:
StdEditorDialog := Application^.ExecuteDialog(RightMarginDialog, Info);
edWrapNotPossible:
StdEditorDialog := MessageBox (sWordWrapNotPossible, nil, mfError + mfOKButton);
else
StdEditorDialog := MessageBox (sUnknownDialog, nil, mfError + mfOkButton);
end;
end;
{****************************************************************************
Helpers
****************************************************************************}
function CountLines(var Buf; Count: sw_Word): sw_Integer;
var
p : pchar;
lines : sw_word;
begin
p:=pchar(@buf);
lines:=0;
while (count>0) do
begin
if p^ in [#10,#13] then
begin
inc(lines);
if ord((p+1)^)+ord(p^)=23 then
begin
inc(p);
dec(count);
if count=0 then
break;
end;
end;
inc(p);
dec(count);
end;
CountLines:=Lines;
end;
procedure GetLimits(var Buf; Count: sw_Word;var lim:objects.TPoint);
{ Get the limits needed for Buf, its an extended version of countlines (lim.y),
which also gets the maximum line length in lim.x }
var
p : pchar;
len : sw_word;
begin
lim.x:=0;
lim.y:=0;
len:=0;