mysticbbs/mystic/bbs_ansi_menuform.pas

855 lines
25 KiB
ObjectPascal

// ====================================================================
// Mystic BBS Software Copyright 1997-2013 By James Coyle
// ====================================================================
//
// This file is part of Mystic BBS.
//
// Mystic BBS is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Mystic BBS is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Mystic BBS. If not, see <http://www.gnu.org/licenses/>.
//
// ====================================================================
Unit bbs_Ansi_MenuForm;
{$I M_OPS.PAS}
Interface
Uses
m_Types,
BBS_Records,
BBS_Ansi_MenuInput;
Const
FormMaxItems = 60;
Const
YesNoStr : Array[False..True] of String[03] = ('No', 'Yes');
Type
FormItemType = (
ItemNone,
ItemString,
ItemBoolean,
ItemByte,
ItemWord,
ItemLong,
ItemToggle,
ItemPath,
ItemChar,
ItemAttr,
ItemFlags,
ItemDate,
ItemPass,
ItemMask,
ItemPipe,
ItemCaps,
ItemBits,
ItemBar
);
FormItemPTR = ^FormItemRec;
FormItemRec = Record
HotKey : Char;
Desc : String[60];
Help : String[120];
DescX : Byte;
DescY : Byte;
DescSize : Byte;
FieldX : Byte;
FieldY : Byte;
FieldSize : Byte;
ItemType : FormItemType;
MaxSize : Byte;
MinNum : LongInt;
MaxNum : LongInt;
S : ^String;
O : ^Boolean;
B : ^Byte;
W : ^Word;
L : ^LongInt;
C : ^Char;
F : ^TMenuFormFlagsRec;
R : ^RecPercent;
Toggle : String[68];
End;
TAnsiMenuFormHelpProc = Procedure (Item: FormItemRec);
TAnsiMenuFormDrawProc = Procedure (Hi: Boolean); // not functional
TAnsiMenuFormDataProc = Procedure; // not functional
TAnsiMenuForm = Class
Private
Procedure EditPercentBar (Var Bar: RecPercent);
Function GetColorAttr (C: Byte) : Byte;
Procedure EditAccessFlags (Var Flags: TMenuFormFlagsRec);
Procedure EditCharacter (Var C: Char);
Procedure AddBasic (HK: Char; D: String; X, Y, FX, FY, DS, FS, MS: Byte; I: FormItemType; P: Pointer; H: String);
Procedure BarON;
Procedure BarOFF (RecPos: Word);
Procedure FieldWrite (RecPos : Word);
Procedure EditOption;
Public
Input : TAnsiMenuInput;
HelpProc : TAnsiMenuFormHelpProc;
DrawProc : TAnsiMenuFormDrawProc;
DataProc : TAnsiMenuFormDataProc;
ItemData : Array[1..FormMaxItems] of FormItemPTR;
Items : Word;
ItemPos : Word;
Changed : Boolean;
ExitOnFirst : Boolean;
ExitOnLast : Boolean;
WasHiExit : Boolean;
WasFirstExit : Boolean;
WasLastExit : Boolean;
LoExitChars : String[30];
HiExitChars : String[30];
HelpX : Byte;
HelpY : Byte;
HelpSize : Byte;
HelpColor : Byte;
cLo : Byte;
cHi : Byte;
cData : Byte;
cLoKey : Byte;
cHiKey : Byte;
cField1 : Byte;
cField2 : Byte;
Constructor Create;
Destructor Destroy; Override;
Procedure Clear;
Procedure AddNone (HK: Char; D: String; X, Y, FX, FY, DS: Byte; H: String);
Procedure AddStr (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Procedure AddPipe (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Procedure AddPath (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Procedure AddPass (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Procedure AddMask (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Procedure AddBol (HK: Char; D: String; X, Y, FX, FY, DS, FS: Byte; P: Pointer; H: String);
Procedure AddByte (HK: Char; D: String; X, Y, FX, FY, DS, FS: Byte; MN, MX: Byte; P: Pointer; H: String);
Procedure AddWord (HK: Char; D: String; X, Y, FX, FY, DS, FS: Byte; MN, MX: Word; P: Pointer; H: String);
Procedure AddLong (HK: Char; D: String; X, Y, FX, FY, DS, FS: Byte; MN, MX: LongInt; P: Pointer; H: String);
Procedure AddTog (HK: Char; D: String; X, Y, FX, FY, DS, FS, MN, MX: Byte; TG: String; P: Pointer; H: String);
Procedure AddChar (HK: Char; D: String; X, Y, FX, FY, DS, MN, MX: Byte; P: Pointer; H: String);
Procedure AddAttr (HK: Char; D: String; X, Y, FX, FY, DS: Byte; P: Pointer; H: String);
Procedure AddFlag (HK: Char; D: String; X, Y, FX, FY, DS: Byte; P: Pointer; H: String);
Procedure AddDate (HK: Char; D: String; X, Y, FX, FY, DS: Byte; P: Pointer; H: String);
Procedure AddCaps (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Procedure AddBits (HK: Char; D: String; X, Y, FX, FY, DS: Byte; Flag: LongInt; P: Pointer; H: String);
Procedure AddBar (HK: Char; D: String; X, Y, FX, FY, DS: Byte; P: Pointer; H: String);
Function Execute : Char;
End;
Implementation
Uses
m_FileIO,
m_Strings,
BBS_Common,
BBS_Core,
BBS_Ansi_MenuBox;
Constructor TAnsiMenuForm.Create;
Begin
Inherited Create;
Input := TAnsiMenuInput.Create;
HelpProc := NIL;
DrawProc := NIL;
DataProc := NIL;
cLo := 0 + 7 * 16;
cHi := 11 + 1 * 16;
cData := 1 + 7 * 16;
cLoKey := 15 + 7 * 16;
cHiKey := 15 + 1 * 16;
cField1 := 15 + 1 * 16;
cField2 := 7 + 1 * 16;
HelpX := 5;
HelpY := 24;
HelpColor := 15;
HelpSize := 75;
WasHiExit := False;
WasFirstExit := False;
ExitOnFirst := False;
WasLastExit := False;
ExitOnLast := False;
Clear;
End;
Destructor TAnsiMenuForm.Destroy;
Begin
Clear;
Input.Free;
Inherited Destroy;
End;
Procedure TAnsiMenuForm.Clear;
Var
Count : Word;
Begin
For Count := 1 to Items Do
Dispose(ItemData[Count]);
Items := 0;
ItemPos := 1;
Changed := False;
End;
Procedure TAnsiMenuForm.EditPercentBar (Var Bar: RecPercent);
Var
Box : TAnsiMenuBox;
Form : TAnsiMenuForm;
Begin
Box := TAnsiMenuBox.Create;
Form := TAnsiMenuForm.Create;
Box.Open (7, 5, 73, 13);
VerticalLine (23, 7, 11);
VerticalLine (61, 8, 11);
Form.AddBol ('T', ' Active', 15, 7, 25, 7, 8, 3, @Bar.Active, '');
Form.AddTog ('F', ' Bar Format' , 11, 8, 25, 8, 12, 10, 0, 1, 'Horizontal Vertical', @Bar.Format, '');
Form.AddChar ('B', ' BG Character', 9, 9, 25, 9, 14, 32, 255, @Bar.LoChar, '');
Form.AddAttr ('G', ' BG Color', 13, 10, 25, 10, 10, @Bar.LoAttr, '');
Form.AddByte ('X', ' Start X', 14, 11, 25, 11, 9, 2, 1, 80, @Bar.StartX, '');
Form.AddByte ('A', ' Bar Length', 49, 8, 63, 8, 12, 2, 1, 50, @Bar.BarLength, '');
Form.AddChar ('C', ' FG Character', 47, 9, 63, 9, 14, 32, 255, @Bar.Hichar, '');
Form.AddAttr ('O', ' FG Color', 51, 10, 63, 10, 10, @Bar.HiAttr, '');
Form.AddByte ('Y', ' Start Y', 52, 11, 63, 11, 9, 2, 1, 50, @Bar.StartY, '');
Repeat
Case Form.Execute of
#27 : Break;
End;
Until False;
Box.Close;
Form.Free;
Box.Free;
End;
Procedure TAnsiMenuForm.EditCharacter (Var C: Char);
Var
Box : TAnsiMenuBox;
Str : String[3];
Begin
Box := TAnsiMenuBox.Create;
Box.Open (19, 8, 62, 10);
WriteXY ( 21, 9, 113, 'Enter ASCII character number (1-254)');
Str := strI2S(Ord(C));
Str := Input.GetStr(58, 9, 3, 3, 1, Str);
C := Chr(strS2I(Str));
Box.Close;
Box.Free;
End;
Procedure TAnsiMenuForm.EditAccessFlags (Var Flags: TMenuFormFlagsRec);
Var
Box : TAnsiMenuBox;
Ch : Char;
Begin
Box := TAnsiMenuBox.Create;
Box.Open (25, 11, 56, 14);
WriteXY (28, 13, 113, 'A-Z to toggle, ESC to Quit');
Repeat
WriteXY (28, 12, 112, DrawAccessFlags(Flags));
Ch := UpCase(Session.io.GetKey);
Case Ch of
#27 : Break;
'A'..
'Z' : Begin
If Ord(Ch) - 64 in Flags Then
Flags := Flags - [Ord(Ch) - 64]
Else
Flags := Flags + [Ord(Ch) - 64];
Changed := True;
End;
End;
Until False;
Box.Close;
Box.Free;
End;
Function TAnsiMenuForm.GetColorAttr (C: Byte) : Byte;
Var
FG : Byte;
BG : Byte;
Box : TAnsiMenuBox;
A : Byte;
B : Byte;
Ch : Char;
Begin
FG := C AND $F;
BG := (C SHR 4) AND 7;
Box := TAnsiMenuBox.Create;
Box.Header := ' Select color ';
Box.Open (30, 7, 51, 18);
Repeat
For A := 0 to 9 Do
WriteXY (31, 8 + A, Box.BoxAttr, ' ');
For A := 0 to 7 Do
For B := 0 to 15 Do
WriteXY (33 + B, 9 + A, B + A * 16, 'þ');
WriteXY (37, 18, FG + BG * 16, ' Sample ');
WriteXYPipe (31 + FG, 8 + BG, 15, 5, 'Û|23ßßß|08Ü');
WriteXYPipe (31 + FG, 9 + BG, 15, 5, 'Û|23 |08Û');
WriteXYPipe (31 + FG, 10 + BG, 15, 5, '|23ß|08ÜÜÜ|08Û');
WriteXY (33 + FG, 9 + BG, FG + BG * 16, 'þ');
Ch := Session.io.GetKey;
If Session.io.IsArrow Then Begin
Case Ch of
#72 : If BG > 0 Then Dec(BG);
#75 : If FG > 0 Then Dec(FG);
#77 : If FG < 15 Then Inc(FG);
#80 : If BG < 7 Then Inc(BG);
End;
End Else
Case Ch of
#13 : Begin
GetColorAttr := FG + BG * 16;
Break;
End;
#27 : Begin
GetColorAttr := C;
Break;
End;
End;
Until False;
Box.Close;
Box.Free;
End;
Procedure TAnsiMenuForm.AddBasic (HK: Char; D: String; X, Y, FX, FY, DS, FS, MS: Byte; I: FormItemType; P: Pointer; H: String);
Begin
Inc (Items);
New (ItemData[Items]);
With ItemData[Items]^ Do Begin
HotKey := HK;
Desc := D;
DescX := X;
DescY := Y;
DescSize := DS;
Help := H;
ItemType := I;
FieldSize := FS;
MaxSize := MS;
FieldX := FX;
FieldY := FY;
Case ItemType of
ItemCaps,
ItemPipe,
ItemPass,
ItemDate,
ItemPath,
ItemMask,
ItemString : S := P;
ItemBoolean : O := P;
ItemAttr,
ItemToggle,
ItemByte : B := P;
ItemWord : W := P;
ItemBits,
ItemLong : L := P;
ItemChar : C := P;
ItemFlags : F := P;
ItemBar : R := P;
End;
End;
End;
Procedure TAnsiMenuForm.AddNone (HK: Char; D: String; X, Y, FX, FY, DS: Byte; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, 0, 0, ItemNone, NIL, H);
End;
Procedure TAnsiMenuForm.AddChar (HK: Char; D: String; X, Y, FX, FY, DS, MN, MX: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, 1, 1, ItemChar, P, H);
ItemData[Items]^.MinNum := MN;
ItemData[Items]^.MaxNum := MX;
End;
Procedure TAnsiMenuForm.AddStr (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, MX, ItemString, P, H);
End;
Procedure TAnsiMenuForm.AddPipe (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, MX, ItemPipe, P, H);
End;
Procedure TAnsiMenuForm.AddCaps (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, MX, ItemCaps, P, H);
End;
Procedure TAnsiMenuForm.AddPass (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, MX, ItemPass, P, H);
End;
Procedure TAnsiMenuForm.AddMask (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, MX, ItemMask, P, H);
End;
Procedure TAnsiMenuForm.AddPath (HK: Char; D: String; X, Y, FX, FY, DS, FS, MX: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, MX, ItemPath, P, H);
End;
Procedure TAnsiMenuForm.AddBol (HK: Char; D: String; X, Y, FX, FY, DS, FS: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, 3, ItemBoolean, P, H);
End;
Procedure TAnsiMenuForm.AddBits (HK: Char; D: String; X, Y, FX, FY, DS: Byte; Flag: LongInt; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, 3, 3, ItemBits, P, H);
ItemData[Items]^.MaxNum := Flag;
End;
Procedure TAnsiMenuForm.AddByte (HK: Char; D: String; X, Y, FX, FY, DS, FS: Byte; MN, MX: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, Length(strI2S(MX)), ItemByte, P, H);
ItemData[Items]^.MinNum := MN;
ItemData[Items]^.MaxNum := MX;
End;
Procedure TAnsiMenuForm.AddWord (HK: Char; D: String; X, Y, FX, FY, DS, FS: Byte; MN, MX: Word; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, Length(strI2S(MX)), ItemWord, P, H);
ItemData[Items]^.MinNum := MN;
ItemData[Items]^.MaxNum := MX;
End;
Procedure TAnsiMenuForm.AddLong (HK: Char; D: String; X, Y, FX, FY, DS, FS: Byte; MN, MX: LongInt; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, Length(strI2S(MX)), ItemLong, P, H);
ItemData[Items]^.MinNum := MN;
ItemData[Items]^.MaxNum := MX;
End;
Procedure TAnsiMenuForm.AddTog (HK: Char; D: String; X, Y, FX, FY, DS, FS, MN, MX: Byte; TG: String; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
If (Byte(P^) > MX) or (Byte(P^) < MN) Then Byte(P^) := MN;
AddBasic (HK, D, X, Y, FX, FY, DS, FS, MX, ItemToggle, P, H);
ItemData[Items]^.Toggle := TG;
ItemData[Items]^.MinNum := MN;
End;
Procedure TAnsiMenuForm.AddAttr (HK: Char; D: String; X, Y, FX, FY, DS: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, 8, 8, ItemAttr, P, H);
End;
Procedure TAnsiMenuForm.AddFlag (HK: Char; D: String; X, Y, FX, FY, DS: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, 26, 26, ItemFlags, P, H);
End;
Procedure TAnsiMenuForm.AddDate (HK: Char; D: String; X, Y, FX, FY, DS: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, 8, 8, ItemDate, P, H);
End;
Procedure TAnsiMenuForm.AddBar (HK: Char; D: String; X, Y, FX, FY, DS: Byte; P: Pointer; H: String);
Begin
If Items = FormMaxItems Then Exit;
AddBasic (HK, D, X, Y, FX, FY, DS, 8, 8, ItemBar, P, H);
End;
Procedure TAnsiMenuForm.BarON;
Var
A : Byte;
Begin
If ItemPos = 0 Then Exit;
WriteXY (ItemData[ItemPos]^.DescX, ItemData[ItemPos]^.DescY, cHi, strPadR(ItemData[ItemPos]^.Desc, ItemData[ItemPos]^.DescSize, ' '));
A := Pos(ItemData[ItemPos]^.HotKey, strUpper(ItemData[ItemPos]^.Desc));
If A > 0 Then
WriteXY (ItemData[ItemPos]^.DescX + A - 1, ItemData[ItemPos]^.DescY, cHiKey, ItemData[ItemPos]^.Desc[A]);
If HelpSize > 0 Then
If Assigned(HelpProc) Then
HelpProc(ItemData[ItemPos]^)
Else
WriteXYPipe (HelpX, HelpY, HelpColor, HelpSize, ItemData[ItemPos]^.Help);
End;
Procedure TAnsiMenuForm.BarOFF (RecPos: Word);
Var
Count : Byte;
Begin
If RecPos = 0 Then Exit;
With ItemData[RecPos]^ Do Begin
WriteXY (DescX, DescY, cLo, strPadR(Desc, DescSize, ' '));
Count := Pos(HotKey, strUpper(Desc));
If Count > 0 Then
WriteXY (DescX + Count - 1, DescY, cLoKey, Desc[Count]);
End;
End;
Procedure TAnsiMenuForm.FieldWrite (RecPos : Word);
Begin
With ItemData[RecPos]^ Do Begin
Case ItemType of
ItemMask,
ItemPass : WriteXY (FieldX, FieldY, cData, strPadR(strRep('*', Length(S^)), FieldSize, ' '));
ItemCaps,
ItemDate,
ItemPath,
ItemString : WriteXY (FieldX, FieldY, cData, strPadR(S^, FieldSize, ' '));
ItemBoolean : WriteXY (FieldX, FieldY, cData, strPadR(YesNoStr[O^], FieldSize, ' '));
ItemByte : WriteXY (FieldX, FieldY, cData, strPadR(strI2S(B^), FieldSize, ' '));
ItemWord : WriteXY (FieldX, FieldY, cData, strPadR(strI2S(W^), FieldSize, ' '));
ItemLong : WriteXY (FieldX, FieldY, cData, strPadR(strI2S(L^), FieldSize, ' '));
ItemToggle : WriteXY (FieldX, FieldY, cData, StrPadR(strReplace(strWordGet(B^ + 1 - MinNum, Toggle, ' '), '_', ' '), FieldSize, ' '));
ItemChar : WriteXY (FieldX, FieldY, cData, C^);
ItemAttr : WriteXY (FieldX, FieldY, B^, ' Sample ');
ItemFlags : WriteXY (FieldX, FieldY, cData, DrawAccessFlags(F^));
ItemPipe : WriteXYPipe (FieldX, FieldY, 7, FieldSize, S^);
ItemBits : WriteXY (FieldX, FieldY, cData, strPadR(YesNoStr[L^ AND MaxNum <> 0], FieldSize, ' '));
ItemBar : Begin
WriteXY (FieldX, FieldY, R^.HiAttr, strRep(R^.HiChar, 3));
WriteXY (FieldX + 3, FieldY, R^.LoAttr, strRep(R^.LoChar, 3));
End;
End;
End;
End;
Procedure TAnsiMenuForm.EditOption;
Var
TempByte : Byte;
TempLong : LongInt;
Begin
With ItemData[ItemPos]^ Do
Case ItemType of
ItemPass,
ItemCaps : S^ := Input.GetStr(FieldX, FieldY, FieldSize, MaxSize, 2, S^);
ItemDate : S^ := Input.GetStr(FieldX, FieldY, FieldSize, MaxSize, 3, S^);
ItemPipe,
ItemMask,
ItemString : S^ := Input.GetStr(FieldX, FieldY, FieldSize, MaxSize, 1, S^);
ItemBoolean : Begin
O^ := Not O^;
Changed := True;
End;
ItemByte : B^ := Byte(Input.GetNum(FieldX, FieldY, FieldSize, MaxSize, MinNum, MaxNum, B^));
ItemWord : W^ := Word(Input.GetNum(FieldX, FieldY, FieldSize, MaxSize, MinNum, MaxNum, W^));
ItemLong : L^ := LongInt(Input.GetNum(FieldX, FieldY, FieldSize, MaxSize, MinNum, MaxNum, L^));
ItemToggle : Begin
If B^ < MaxSize Then Inc(B^) Else B^ := MinNum;
Changed := True;
End;
ItemPath : Begin
S^ := DirSlash(Input.GetStr(FieldX, FieldY, FieldSize, MaxSize, 1, S^));
If Not DirExists(S^) Then
If ShowMsgBox(1, 'Create ' + S^ + '?') Then
If Not DirCreate(S^) Then
ShowMsgBox(0, 'Unable to create');
End;
ItemChar : EditCharacter(C^);
ItemAttr : Begin
TempByte := GetColorAttr(B^);
Changed := TempByte <> B^;
B^ := TempByte;
End;
ItemFlags : EditAccessFlags(F^);
ItemBits : Begin
Changed := True;
TempLong := L^;
TempLong := TempLong XOR MaxNum;
L^ := TempLong;
End;
ItemBar : EditPercentBar(R^);
End;
FieldWrite (ItemPos);
Changed := Changed or Input.Changed;
End;
Function TAnsiMenuForm.Execute : Char;
Var
Count : Word;
Ch : Char;
NewPos : Word;
NewXPos : Word;
NewYPos : Word;
Begin
Session.io.AllowArrow := True;
WasHiExit := False;
WasFirstExit := False;
WasLastExit := False;
Input.Attr := cField1;
Input.FillAttr := cField2;
For Count := 1 to Items Do Begin
BarOFF(Count);
FieldWrite(Count);
End;
BarON;
Repeat
Changed := Changed or Input.Changed;
Ch := UpCase(Session.io.GetKey);
If Session.io.IsArrow Then Begin
If Pos(Ch, HiExitChars) > 0 Then Begin
WasHiExit := True;
Result := Ch;
Break;
End;
Case Ch of
#72 : Begin
NewPos := 0;
NewYPos := 0;
For Count := 1 to Items Do
If (ItemData[Count]^.FieldX = ItemData[ItemPos]^.FieldX) and
(ItemData[Count]^.FieldY < ItemData[ItemPos]^.FieldY) and
(ItemData[Count]^.FieldY > NewYPos) Then Begin
NewPos := Count;
NewYPos := ItemData[Count]^.FieldY;
End;
If NewPos > 0 Then Begin
BarOFF(ItemPos);
ItemPos := NewPos;
BarON;
End Else
If ItemPos > 1 Then Begin
BarOFF(ItemPos);
Dec(ItemPos);
BarON;
End Else
If ExitOnFirst Then Begin
WasFirstExit := True;
Result := Ch;
Break;
End;
End;
(*
#72 : If ItemPos > 1 Then Begin
BarOFF(ItemPos);
Dec(ItemPos);
BarON;
End Else
If ExitOnFirst Then Begin
WasFirstExit := True;
Result := Ch;
Break;
End;
*)
#75 : Begin
NewPos := 0;
NewXPos := 0;
For Count := 1 to Items Do
If (ItemData[Count]^.DescY = ItemData[ItemPos]^.DescY) and
(ItemData[Count]^.DescX < ItemData[ItemPos]^.DescX) and
(ItemData[Count]^.DescX > NewXPos) Then Begin
NewXPos := ItemData[Count]^.DescX;
NewPos := Count;
End;
If NewPos > 0 Then Begin
BarOFF(ItemPos);
ItemPos := NewPos;
BarON;
End;
End;
#77 : Begin
NewPos := 0;
NewXPos := 80;
For Count := 1 to Items Do
If (ItemData[Count]^.DescY = ItemData[ItemPos]^.DescY) and
(ItemData[Count]^.DescX > ItemData[ItemPos]^.DescX) and
(ItemData[Count]^.DescX < NewXPos) Then Begin
NewXPos := ItemData[Count]^.DescX;
NewPos := Count;
End;
If NewPos > 0 Then Begin
BarOFF(ItemPos);
ItemPos := NewPos;
BarON;
End;
End;
#80 : Begin
NewPos := 0;
For Count := 1 to Items Do
If (ItemData[Count]^.FieldX = ItemData[ItemPos]^.FieldX) and
(ItemData[Count]^.FieldY > ItemData[ItemPos]^.FieldY) Then Begin
NewPos := Count;
Break;
End;
If NewPos > 0 Then Begin
BarOFF(ItemPos);
ItemPos := NewPos;
BarON;
End Else
If ItemPos < Items Then Begin
BarOFF(ItemPos);
Inc(ItemPos);
BarON;
End Else
If ExitOnLast Then Begin
WasLastExit := True;
Result := Ch;
Break;
End;
End;
(*
#80 : If ItemPos < Items Then Begin
BarOFF(ItemPos);
Inc(ItemPos);
BarON;
End Else
If ExitOnLast Then Begin
WasLastExit := True;
Result := Ch;
Break;
End;
*)
End;
End Else Begin
Case Ch of
#13 : If ItemPos > 0 Then
If ItemData[ItemPos]^.ItemType = ItemNone Then Begin
Result := ItemData[ItemPos]^.HotKey;
Break;
End Else
EditOption;
#27 : Begin
Result := #27;
Break;
End;
Else
If Pos(Ch, LoExitChars) > 0 Then Begin
Result := Ch;
Break;
End;
End;
For Count := 1 to Items Do
If ItemData[Count]^.HotKey = Ch Then Begin
BarOFF(ItemPos);
ItemPos := Count;
BarON;
If ItemData[ItemPos]^.ItemType = ItemNone Then Begin
Execute := ItemData[ItemPos]^.HotKey;
BarOFF(ItemPos);
Exit;
End Else
EditOption;
End;
End;
Until False;
BarOFF(ItemPos);
End;
End.