764 lines
18 KiB
ObjectPascal
764 lines
18 KiB
ObjectPascal
Unit bbs_Ansi_MenuBox;
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{$I M_OPS.PAS}
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Interface
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Uses
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m_Types;
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Procedure WriteXY (X, Y, A: Byte; S: String);
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Procedure WriteXYPipe (X, Y, A, SZ : Byte; S: String);
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Function InXY (X, Y, Field, Max, Mode: Byte; Default: String) : String;
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Function InBox (Header, Text, Def: String; Len, MaxLen: Byte) : String;
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Procedure VerticalLine (X, Y1, Y2 : Byte);
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Function ShowMsgBox (BoxType : Byte; Str : String) : Boolean;
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Type
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TAnsiMenuBox = Class
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Image : TConsoleImageRec;
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HideImage : ^TConsoleImageRec;
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FrameType : Byte;
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BoxAttr : Byte;
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Box3D : Boolean;
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BoxAttr2 : Byte;
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BoxAttr3 : Byte;
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BoxAttr4 : Byte;
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Shadow : Boolean;
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ShadowAttr : Byte;
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HeadAttr : Byte;
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HeadType : Byte;
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Header : String;
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WasOpened : Boolean;
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Constructor Create;
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Destructor Destroy; Override;
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Procedure Open (X1, Y1, X2, Y2: Byte);
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Procedure Close;
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Procedure Hide;
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Procedure Show;
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End;
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TAnsiMenuListStatusProc = Procedure (Num: Word; Str: String);
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TAnsiMenuListBoxRec = Record
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Name : String;
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Tagged : Byte; { 0 = false, 1 = true, 2 = never }
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End;
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TAnsiMenuList = Class
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List : Array[1..10000] of ^TAnsiMenuListBoxRec;
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Box : TAnsiMenuBox;
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HiAttr : Byte;
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LoAttr : Byte;
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PosBar : Boolean;
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Format : Byte;
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LoChars : String;
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HiChars : String;
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ExitCode : Char;
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Picked : Integer;
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TopPage : Integer;
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NoWindow : Boolean;
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ListMax : Integer;
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AllowTag : Boolean;
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TagChar : Char;
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TagKey : Char;
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TagPos : Byte;
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TagAttr : Byte;
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Marked : Word;
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StatusProc : TAnsiMenuListStatusProc;
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Width : Integer;
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WinSize : Integer;
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X1 : Byte;
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Y1 : Byte;
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NoInput : Boolean;
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LastBarPos : Byte;
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Constructor Create;
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Destructor Destroy; Override;
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Procedure Open (BX1, BY1, BX2, BY2: Byte);
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Procedure Close;
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Procedure Add (Str: String; B: Byte);
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Procedure Get (Num: Word; Var Str: String; Var B: Boolean);
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Procedure SetStatusProc (P: TAnsiMenuListStatusProc);
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Procedure Clear;
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Procedure Delete (RecPos : Word);
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Procedure UpdatePercent;
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Procedure UpdateBar (X, Y: Byte; RecPos: Word; IsHi: Boolean);
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Procedure Update;
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End;
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Implementation
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Uses
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m_Strings,
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BBS_Core,
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BBS_IO,
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BBS_Common,
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BBS_Ansi_MenuInput;
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Procedure WriteXY (X, Y, A: Byte; S: String);
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Begin
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Session.io.AnsiGotoXY (X, Y);
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Session.io.AnsiColor (A);
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Session.io.OutRaw (S);
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End;
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Procedure WriteXYPipe (X, Y, A, SZ: Byte; S: String);
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Var
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Count : Byte;
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Code : String[2];
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Begin
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Session.io.AnsiGotoXY (X, Y);
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Session.io.AnsiColor (A);
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Count := 1;
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While Count <= Length(S) Do Begin
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If S[Count] = '|' Then Begin
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Code := Copy(S, Count + 1, 2);
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If (Code[2] in ['0'..'9']) Then Begin
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Case Code[1] of
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'0'..
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'2' : Begin
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Inc (Count, 2);
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Session.io.BufAddStr(Session.io.Pipe2Ansi(strS2I(Code)));
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End;
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'T' : Begin
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Inc (Count, 2);
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Session.io.BufAddStr(Session.io.Attr2Ansi(Session.Theme.Colors[strS2I(Code[2])]));
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End;
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Else
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Session.io.BufAddChar(S[Count]);
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Dec (SZ);
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End;
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End Else Begin
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Session.io.BufAddChar(S[Count]);
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Dec (SZ);
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End;
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End Else Begin
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Session.io.BufAddChar(S[Count]);
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Dec (SZ);
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End;
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If SZ = 0 Then Break;
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Inc (Count);
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End;
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If SZ > 0 Then Begin
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Session.io.AnsiColor (7);
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Session.io.BufAddStr (strRep(' ', SZ));
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End;
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Session.io.BufFlush;
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End;
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Function InBox (Header, Text, Def: String; Len, MaxLen: Byte) : String;
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Var
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Box : TAnsiMenuBox;
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Input : TAnsiMenuInput;
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Offset : Byte;
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Str : String;
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WinSize : Byte;
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Begin
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If Len > Length(Text) Then
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Offset := Len
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Else
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Offset := Length(Text);
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WinSize := (80 - Offset + 2) DIV 2;
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Box := TAnsiMenuBox.Create;
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Input := TAnsiMenuInput.Create;
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Box.Header := ' ' + Header + ' ';
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Input.LoChars := #13#27;
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Box.Open (WinSize, 10, WinSize + Offset + 3, 15);
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WriteXY (WinSize + 2, 12, 112, Text);
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Str := Input.GetStr(WinSize + 2, 13, Len, MaxLen, 1, Def);
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Box.Close;
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If Input.ExitCode = #27 Then Str := '';
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Input.Free;
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Box.Free;
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Result := Str;
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End;
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Function InXY (X, Y, Field, Max, Mode: Byte; Default: String) : String;
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Begin
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Session.io.AnsiGotoXY (X, Y);
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InXY := Session.io.GetInput (Field, Max, Mode, Default);
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End;
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Procedure VerticalLine (X, Y1, Y2: Byte);
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Var
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Count : Byte;
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Begin
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For Count := Y1 to Y2 Do
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WriteXY (X, Count, 112, '<27>');
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End;
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Function ShowMsgBox (BoxType : Byte; Str : String) : Boolean;
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Var
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Len : Byte;
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Len2 : Byte;
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Pos : Byte;
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MsgBox : TAnsiMenuBox;
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Ch : Char;
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Begin
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Result := True;
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{ 0 = ok box }
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{ 1 = y/n box }
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{ 2 = just box }
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{ 3 = just box dont close }
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MsgBox := TAnsiMenuBox.Create;
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Len := (80 - (Length(Str) + 3)) DIV 2;
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Pos := 1;
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MsgBox.Header := ' Info ';
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If BoxType < 2 Then
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MsgBox.Open (Len, 10, Len + Length(Str) + 3, 15)
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Else
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MsgBox.Open (Len, 10, Len + Length(Str) + 3, 14);
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WriteXY (Len + 2, 12, 113, Str);
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Case BoxType of
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0 : Begin
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Len2 := (Length(Str) - 4) DIV 2;
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WriteXY (Len + Len2 + 2, 14, 30, ' OK ');
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Ch := Session.io.GetKey;
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End;
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1 : Repeat
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Len2 := (Length(Str) - 9) DIV 2;
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WriteXY (Len + Len2 + 2, 14, 113, ' YES ');
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WriteXY (Len + Len2 + 7, 14, 113, ' NO ');
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If Pos = 1 Then
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WriteXY (Len + Len2 + 2, 14, 30, ' YES ')
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Else
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WriteXY (Len + Len2 + 7, 14, 30, ' NO ');
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Ch := UpCase(Session.io.GetKey);
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If Session.io.IsArrow Then
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Case Ch of
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#75 : Pos := 1;
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#77 : Pos := 0;
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End
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Else
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Case Ch of
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#13 : Begin
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Result := Boolean(Pos);
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Break;
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End;
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#32 : If Pos = 0 Then Inc(Pos) Else Pos := 0;
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'N' : Pos := 0;
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'Y' : Pos := 1;
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End;
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Until False;
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End;
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If BoxType < 2 Then MsgBox.Close;
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MsgBox.Free;
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End;
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Constructor TAnsiMenuBox.Create;
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Begin
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Inherited Create;
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Shadow := True;
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ShadowAttr := 0;
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Header := '';
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FrameType := 6;
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Box3D := True;
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BoxAttr := 15 + 7 * 16;
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BoxAttr2 := 8 + 7 * 16;
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BoxAttr3 := 15 + 7 * 16;
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BoxAttr4 := 8 + 7 * 16;
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HeadAttr := 15 + 1 * 16;
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HeadType := 0;
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HideImage := NIL;
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WasOpened := False;
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FillChar(Image, SizeOf(TConsoleImageRec), 0);
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Session.io.BufFlush;
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End;
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Destructor TAnsiMenuBox.Destroy;
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Begin
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Inherited Destroy;
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End;
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Procedure TAnsiMenuBox.Open (X1, Y1, X2, Y2: Byte);
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Const
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BF : Array[1..8] of String[8] =
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('<27>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>',
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'<27>ͻ<EFBFBD><CDBB><EFBFBD>ͼ',
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'<27>ķ<EFBFBD><C4B7><EFBFBD>Ľ',
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'<27><EFBFBD><CDB8><EFBFBD>;',
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'<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>',
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'<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>',
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' ',
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'.-.||`-''');
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Var
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A : Integer;
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B : Integer;
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Ch : Char;
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Begin
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If Not WasOpened Then
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If Shadow Then
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Screen.GetScreenImage(X1, Y1, X2 + 2{3}, Y2 + 1, Image)
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Else
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Screen.GetScreenImage(X1, Y1, X2, Y2, Image);
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WasOpened := True;
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B := X2 - X1 - 1;
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If Not Box3D Then Begin
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BoxAttr2 := BoxAttr;
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BoxAttr3 := BoxAttr;
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BoxAttr4 := BoxAttr;
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End;
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WriteXY (X1, Y1, BoxAttr, BF[FrameType][1] + strRep(BF[FrameType][2], B));
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WriteXY (X2, Y1, BoxAttr4, BF[FrameType][3]);
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For A := Y1 + 1 To Y2 - 1 Do Begin
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WriteXY (X1, A, BoxAttr, BF[FrameType][4] + strRep(' ', B));
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WriteXY (X2, A, BoxAttr2, BF[FrameType][5]);
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End;
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WriteXY (X1, Y2, BoxAttr3, BF[FrameType][6]);
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WriteXY (X1+1, Y2, BoxAttr2, strRep(BF[FrameType][7], B) + BF[FrameType][8]);
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If Header <> '' Then
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Case HeadType of
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0 : WriteXY (X1 + 1 + (B - Length(Header)) DIV 2, Y1, HeadAttr, Header);
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1 : WriteXY (X1 + 1, Y1, HeadAttr, Header);
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2 : WriteXY (X2 - Length(Header), Y1, HeadAttr, Header);
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End;
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If Shadow Then Begin
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For A := Y1 + 1 to Y2 + 1 Do
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For B := X2 to X2 + 1 Do Begin
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Ch := Screen.ReadCharXY(B, A);
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WriteXY (B + 1, A, ShadowAttr, Ch);
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End;
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A := Y2 + 1;
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For B := (X1 + 2) To (X2 + 2) Do Begin
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Ch := Screen.ReadCharXY(B, A);
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WriteXY (B, A, ShadowAttr, Ch);
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End;
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End;
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End;
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Procedure TAnsiMenuBox.Close;
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Begin
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If WasOpened Then Session.io.RemoteRestore(Image);
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End;
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Procedure TAnsiMenuBox.Hide;
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Begin
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If Assigned(HideImage) Then FreeMem(HideImage, SizeOf(TConsoleImageRec));
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GetMem (HideImage, SizeOf(TConsoleImageRec));
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Screen.GetScreenImage (Image.X1, Image.Y1, Image.X2, Image.Y2, HideImage^);
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Session.io.RemoteRestore(Image);
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End;
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Procedure TAnsiMenuBox.Show;
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Begin
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If Assigned (HideImage) Then Begin
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Session.io.RemoteRestore(HideImage^);
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FreeMem (HideImage, SizeOf(TConsoleImageRec));
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HideImage := NIL;
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End;
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End;
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Constructor TAnsiMenuList.Create;
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Begin
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Inherited Create;
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Box := TAnsiMenuBox.Create;
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ListMax := 0;
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HiAttr := 15 + 1 * 16;
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LoAttr := 1 + 7 * 16;
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PosBar := True;
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Format := 0;
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LoChars := #13#27;
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HiChars := '';
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NoWindow := False;
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AllowTag := False;
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TagChar := '*';
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TagKey := #32;
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TagPos := 0;
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TagAttr := 15 + 7 * 16;
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Marked := 0;
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Picked := 1;
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NoInput := False;
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LastBarPos := 0;
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StatusProc := NIL;
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Session.io.BufFlush;
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End;
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Procedure TAnsiMenuList.Clear;
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Var
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Count : Word;
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Begin
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For Count := 1 to ListMax Do
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Dispose(List[Count]);
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ListMax := 0;
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Marked := 0;
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End;
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Procedure TAnsiMenuList.Delete (RecPos : Word);
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Var
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Count : Word;
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Begin
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If List[RecPos] <> NIL Then Begin
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Dispose (List[RecPos]);
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For Count := RecPos To ListMax - 1 Do
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List[Count] := List[Count + 1];
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Dec (ListMax);
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End;
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End;
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Destructor TAnsiMenuList.Destroy;
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Begin
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Box.Free;
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Clear;
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Inherited Destroy;
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End;
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Procedure TAnsiMenuList.UpdateBar (X, Y: Byte; RecPos: Word; IsHi: Boolean);
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Var
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Str : String;
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Attr : Byte;
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Begin
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If IsHi Then
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Attr := HiAttr
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Else
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Attr := LoAttr;
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If RecPos <= ListMax Then Begin
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Str := ' ' + List[RecPos]^.Name + ' ';
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Case Format of
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0 : Str := strPadR(Str, Width, ' ');
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1 : Str := strPadL(Str, Width, ' ');
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2 : Str := strPadC(Str, Width, ' ');
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End;
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End Else
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Str := strRep(' ', Width);
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WriteXY (X, Y, Attr, Str);
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|
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If AllowTag Then
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If (RecPos <= ListMax) and (List[RecPos]^.Tagged = 1) Then
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WriteXY (TagPos, Y, TagAttr, TagChar)
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Else
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WriteXY (TagPos, Y, TagAttr, ' ');
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End;
|
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|
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Procedure TAnsiMenuList.UpdatePercent;
|
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Var
|
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NewPos : LongInt;
|
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Begin
|
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If Not PosBar Then Exit;
|
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|
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If (ListMax > 0) and (WinSize > 0) Then Begin
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NewPos := (Picked * WinSize) DIV ListMax;
|
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|
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If Picked >= ListMax Then NewPos := Pred(WinSize);
|
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|
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If (NewPos < 0) or (Picked = 1) Then NewPos := 0;
|
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NewPos := Y1 + 1 + NewPos;
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If LastBarPos <> NewPos Then Begin
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If LastBarPos > 0 Then
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WriteXY (X1 + Width + 1, LastBarPos, Box.BoxAttr2, #176);
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LastBarPos := NewPos;
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WriteXY (X1 + Width + 1, NewPos, Box.BoxAttr2, #178);
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End;
|
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End;
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End;
|
||
|
||
Procedure TAnsiMenuList.Update;
|
||
Var
|
||
Loop : LongInt;
|
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CurRec : Integer;
|
||
Begin
|
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For Loop := 0 to WinSize - 1 Do Begin
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CurRec := TopPage + Loop;
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UpdateBar (X1 + 1, Y1 + 1 + Loop, CurRec, CurRec = Picked);
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End;
|
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UpdatePercent;
|
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|
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Session.io.BufFlush;
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End;
|
||
|
||
Procedure TAnsiMenuList.Open (BX1, BY1, BX2, BY2 : Byte);
|
||
|
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Procedure DownArrow;
|
||
Begin
|
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If Picked < ListMax Then Begin
|
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If Picked >= TopPage + WinSize - 1 Then Begin
|
||
Inc (TopPage);
|
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Inc (Picked);
|
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Update;
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End Else Begin
|
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UpdateBar (X1 + 1, Y1 + Picked - TopPage + 1, Picked, False);
|
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|
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Inc (Picked);
|
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|
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UpdateBar (X1 + 1, Y1 + Picked - TopPage + 1, Picked, True);
|
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|
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UpdatePercent;
|
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End;
|
||
End;
|
||
End;
|
||
|
||
Var
|
||
Ch : Char;
|
||
Count : Word;
|
||
StartPos : Word;
|
||
EndPos : Word;
|
||
First : Boolean;
|
||
SavedRec : Word;
|
||
SavedTop : Word;
|
||
SearchStr : String[80];
|
||
LastWasChar : Boolean;
|
||
Begin
|
||
If Not NoWindow Then
|
||
Box.Open (BX1, BY1, BX2, BY2);
|
||
|
||
X1 := BX1;
|
||
Y1 := BY1;
|
||
|
||
If (Picked < TopPage) or (Picked < 1) or (Picked > ListMax) or (TopPage < 1) or (TopPage > ListMax) Then Begin
|
||
Picked := 1;
|
||
TopPage := 1;
|
||
End;
|
||
|
||
Width := BX2 - X1 - 1;
|
||
WinSize := BY2 - Y1 - 1;
|
||
TagPos := X1 + 1;
|
||
|
||
If PosBar Then
|
||
For Count := 1 to WinSize Do
|
||
WriteXY (X1 + Width + 1, Y1 + Count, Box.BoxAttr2, #176);
|
||
|
||
If NoInput Then Exit;
|
||
|
||
Update;
|
||
|
||
LastWasChar := False;
|
||
|
||
Repeat
|
||
If Not LastWasChar Then
|
||
SearchStr := ''
|
||
Else
|
||
LastWasChar := False;
|
||
|
||
If Assigned(StatusProc) Then
|
||
If ListMax > 0 Then
|
||
StatusProc(Picked, List[Picked]^.Name)
|
||
Else
|
||
StatusProc(Picked, '');
|
||
|
||
Ch := Session.io.GetKey;
|
||
|
||
If Session.io.IsArrow Then Begin
|
||
Case Ch of
|
||
#71 : If Picked > 1 Then Begin { home }
|
||
Picked := 1;
|
||
TopPage := 1;
|
||
Update;
|
||
End;
|
||
#72 : If (Picked > 1) Then Begin
|
||
If Picked <= TopPage Then Begin
|
||
Dec (Picked);
|
||
Dec (TopPage);
|
||
|
||
Update;
|
||
End Else Begin
|
||
UpdateBar (X1 + 1, Y1 + Picked - TopPage + 1, Picked, False);
|
||
|
||
Dec (Picked);
|
||
|
||
UpdateBar (X1 + 1, Y1 + Picked - TopPage + 1, Picked, True);
|
||
|
||
UpdatePercent;
|
||
End;
|
||
End;
|
||
#73,
|
||
#75 : If (TopPage > 1) or (Picked > 1) Then Begin { page up / left arrow }
|
||
If Picked - WinSize > 1 Then Dec (Picked, WinSize) Else Picked := 1;
|
||
If TopPage - WinSize < 1 Then TopPage := 1 Else Dec(TopPage, WinSize);
|
||
Update;
|
||
End;
|
||
#79 : If Picked < ListMax Then Begin { end }
|
||
If ListMax > WinSize Then TopPage := ListMax - WinSize + 1;
|
||
Picked := ListMax;
|
||
Update;
|
||
End;
|
||
#80 : DownArrow;
|
||
#77,
|
||
#81 : If (Picked <> ListMax) Then Begin { pgdn/right }
|
||
If ListMax > WinSize Then Begin
|
||
If Picked + WinSize > ListMax Then
|
||
Picked := ListMax
|
||
Else
|
||
Inc (Picked, WinSize);
|
||
|
||
Inc (TopPage, WinSize);
|
||
|
||
If TopPage + WinSize > ListMax Then TopPage := ListMax - WinSize + 1;
|
||
End Else Begin
|
||
Picked := ListMax;
|
||
End;
|
||
|
||
Update;
|
||
End;
|
||
Else
|
||
If Pos(Ch, HiChars) > 0 Then Begin
|
||
ExitCode := Ch;
|
||
Exit;
|
||
End;
|
||
End;
|
||
End Else
|
||
If AllowTag and (Ch = TagKey) and (List[Picked]^.Tagged <> 2) Then Begin
|
||
If (List[Picked]^.Tagged = 1) Then Begin
|
||
Dec (List[Picked]^.Tagged);
|
||
Dec (Marked);
|
||
End Else Begin
|
||
List[Picked]^.Tagged := 1;
|
||
Inc (Marked);
|
||
End;
|
||
|
||
DownArrow;
|
||
End Else
|
||
If Pos(Ch, LoChars) > 0 Then Begin
|
||
ExitCode := Ch;
|
||
Exit;
|
||
End Else Begin
|
||
SavedTop := TopPage;
|
||
SavedRec := Picked;
|
||
LastWasChar := True;
|
||
SearchStr := SearchStr + UpCase(Ch);
|
||
First := True;
|
||
StartPos := Picked + 1;
|
||
EndPos := ListMax;
|
||
|
||
If StartPos > ListMax Then StartPos := 1;
|
||
|
||
Count := StartPos;
|
||
|
||
While (Count <= EndPos) Do Begin
|
||
If strUpper(Copy(List[Count]^.Name, 1, Length(SearchStr))) = SearchStr Then Begin
|
||
|
||
While Count <> Picked Do Begin
|
||
If Picked < Count Then Begin
|
||
If Picked < ListMax Then Inc (Picked);
|
||
If Picked > TopPage + WinSize - 1 Then Inc (TopPage);
|
||
End Else
|
||
If Picked > Count Then Begin
|
||
If Picked > 1 Then Dec (Picked);
|
||
If Picked < TopPage Then Dec (TopPage);
|
||
End;
|
||
End;
|
||
Break;
|
||
End;
|
||
|
||
If (Count = ListMax) and First Then Begin
|
||
Count := 0;
|
||
StartPos := 1;
|
||
EndPos := Picked - 1;
|
||
First := False;
|
||
End;
|
||
|
||
Inc (Count);
|
||
End;
|
||
|
||
If TopPage <> SavedTop Then
|
||
Update
|
||
Else
|
||
If Picked <> SavedRec Then Begin
|
||
UpdateBar (X1 + 1, Y1 + SavedRec - SavedTop + 1, SavedRec, False);
|
||
UpdateBar (X1 + 1, Y1 + Picked - TopPage + 1, Picked, True);
|
||
UpdatePercent;
|
||
End;
|
||
End;
|
||
Until False;
|
||
End;
|
||
|
||
Procedure TAnsiMenuList.Close;
|
||
Begin
|
||
If Not NoWindow Then Box.Close;
|
||
End;
|
||
|
||
Procedure TAnsiMenuList.Add (Str : String; B : Byte);
|
||
Begin
|
||
Inc (ListMax);
|
||
New (List[ListMax]);
|
||
|
||
List[ListMax]^.Name := Str;
|
||
List[ListMax]^.Tagged := B;
|
||
|
||
If B = 1 Then Inc(Marked);
|
||
End;
|
||
|
||
Procedure TAnsiMenuList.Get (Num : Word; Var Str : String; Var B : Boolean);
|
||
Begin
|
||
Str := '';
|
||
B := False;
|
||
|
||
If Num <= ListMax Then Begin
|
||
Str := List[Num]^.Name;
|
||
B := List[Num]^.Tagged = 1;
|
||
End;
|
||
End;
|
||
|
||
Procedure TAnsiMenuList.SetStatusProc (P : TAnsiMenuListStatusProc);
|
||
Begin
|
||
StatusProc := P;
|
||
End;
|
||
|
||
End.
|