659 lines
16 KiB
ObjectPascal
659 lines
16 KiB
ObjectPascal
Unit m_MenuBox;
|
|
|
|
{$I M_OPS.PAS}
|
|
|
|
Interface
|
|
|
|
Uses
|
|
m_Types,
|
|
m_Input,
|
|
m_Output;
|
|
|
|
Const
|
|
BoxFrameType : Array[1..8] of String[8] =
|
|
('ÚÄ¿³³ÀÄÙ',
|
|
'ÉÍ»ººÈͼ',
|
|
'ÖÄ·ººÓĽ',
|
|
'Õ͸³³Ô;',
|
|
'ÛßÛÛÛÛÜÛ',
|
|
'ÛßÜÛÛßÜÛ',
|
|
' ',
|
|
'.-.||`-''');
|
|
|
|
Type
|
|
TMenuBox = Class
|
|
Console : TOutput;
|
|
Image : TConsoleImageRec;
|
|
HideImage : ^TConsoleImageRec;
|
|
FrameType : Byte;
|
|
BoxAttr : Byte;
|
|
Box3D : Boolean;
|
|
BoxAttr2 : Byte;
|
|
BoxAttr3 : Byte;
|
|
BoxAttr4 : Byte;
|
|
Shadow : Boolean;
|
|
ShadowAttr : Byte;
|
|
HeadAttr : Byte;
|
|
HeadType : Byte;
|
|
Header : String;
|
|
WasOpened : Boolean;
|
|
|
|
Constructor Create (Var Screen: TOutput);
|
|
Destructor Destroy; Override;
|
|
Procedure Open (X1, Y1, X2, Y2: Byte);
|
|
Procedure Close;
|
|
Procedure Hide;
|
|
Procedure Show;
|
|
End;
|
|
|
|
TMenuListStatusProc = Procedure (Num: Word; Str: String);
|
|
TMenuListSearchProc = Procedure (Var Owner: Pointer; Str: String);
|
|
|
|
TMenuListBoxRec = Record
|
|
Name : String;
|
|
Tagged : Byte; { 0 = false, 1 = true, 2 = never }
|
|
End;
|
|
|
|
TMenuList = Class
|
|
InKey : TInput;
|
|
List : Array[1..10000] of ^TMenuListBoxRec;
|
|
Box : TMenuBox;
|
|
HiAttr : Byte;
|
|
LoAttr : Byte;
|
|
PosBar : Boolean;
|
|
Format : Byte;
|
|
LoChars : String;
|
|
HiChars : String;
|
|
ExitCode : Char;
|
|
Picked : Integer;
|
|
TopPage : Integer;
|
|
NoWindow : Boolean;
|
|
ListMax : Integer;
|
|
AllowTag : Boolean;
|
|
TagChar : Char;
|
|
TagKey : Char;
|
|
TagPos : Byte;
|
|
TagAttr : Byte;
|
|
Marked : Word;
|
|
StatusProc : TMenuListStatusProc;
|
|
Width : Integer;
|
|
WinSize : Integer;
|
|
X1 : Byte;
|
|
Y1 : Byte;
|
|
NoInput : Boolean;
|
|
LastBarPos : Byte;
|
|
SearchProc : TMenuListSearchProc;
|
|
SearchX : Byte;
|
|
SearchY : Byte;
|
|
SearchA : Byte;
|
|
|
|
Constructor Create (Var S: TOutput);
|
|
Destructor Destroy; Override;
|
|
Procedure Open (BX1, BY1, BX2, BY2: Byte);
|
|
Procedure Close;
|
|
Procedure Add (Str: String; B: Byte);
|
|
Procedure Get (Num: Word; Var Str: String; Var B: Boolean);
|
|
Procedure SetStatusProc (P: TMenuListStatusProc);
|
|
Procedure SetSearchProc (P: TMenuListSearchProc);
|
|
Procedure Clear;
|
|
Procedure Delete (RecPos : Word);
|
|
Procedure UpdatePercent;
|
|
Procedure UpdateBar (X, Y: Byte; RecPos: Word; IsHi: Boolean);
|
|
Procedure Update;
|
|
End;
|
|
|
|
Implementation
|
|
|
|
Uses
|
|
m_Strings;
|
|
|
|
Procedure DefListBoxSearch (Var Owner: Pointer; Str: String);
|
|
Begin
|
|
If Str = '' Then
|
|
Str := strRep(BoxFrameType[TMenuList(Owner).Box.FrameType][7], 17)
|
|
Else Begin
|
|
If Length(Str) > 15 Then
|
|
Str := Copy(Str, Length(Str) - 15 + 1, 255);
|
|
|
|
Str := '[' + strLower(Str) + ']';
|
|
|
|
While Length(Str) < 17 Do
|
|
Str := Str + BoxFrameType[TMenuList(Owner).Box.FrameType][7];
|
|
End;
|
|
|
|
TMenuList(Owner).Box.Console.WriteXY (
|
|
TMenuList(Owner).SearchX,
|
|
TMenuList(Owner).SearchY,
|
|
TMenuList(Owner).SearchA,
|
|
Str);
|
|
End;
|
|
|
|
Constructor TMenuBox.Create (Var Screen: TOutput);
|
|
Begin
|
|
Inherited Create;
|
|
|
|
Console := Screen;
|
|
Shadow := True;
|
|
ShadowAttr := 0;
|
|
Header := '';
|
|
FrameType := 6;
|
|
Box3D := True;
|
|
BoxAttr := 15 + 7 * 16;
|
|
BoxAttr2 := 8 + 7 * 16;
|
|
BoxAttr3 := 15 + 7 * 16;
|
|
BoxAttr4 := 8 + 7 * 16;
|
|
HeadAttr := 15 + 1 * 16;
|
|
HeadType := 0;
|
|
HideImage := NIL;
|
|
WasOpened := False;
|
|
|
|
FillChar(Image, SizeOf(TConsoleImageRec), 0);
|
|
|
|
Console.BufFlush;
|
|
End;
|
|
|
|
Destructor TMenuBox.Destroy;
|
|
Begin
|
|
Inherited Destroy;
|
|
End;
|
|
|
|
Procedure TMenuBox.Open (X1, Y1, X2, Y2: Byte);
|
|
Var
|
|
A : Integer;
|
|
B : Integer;
|
|
Ch : Char;
|
|
Begin
|
|
If Not WasOpened Then
|
|
If Shadow Then
|
|
Console.GetScreenImage(X1, Y1, X2 + 2{3}, Y2 + 1, Image)
|
|
Else
|
|
Console.GetScreenImage(X1, Y1, X2, Y2, Image);
|
|
|
|
WasOpened := True;
|
|
|
|
B := X2 - X1 - 1;
|
|
|
|
If Not Box3D Then Begin
|
|
BoxAttr2 := BoxAttr;
|
|
BoxAttr3 := BoxAttr;
|
|
BoxAttr4 := BoxAttr;
|
|
End;
|
|
|
|
Console.WriteXY (X1, Y1, BoxAttr, BoxFrameType[FrameType][1] + strRep(BoxFrameType[FrameType][2], B));
|
|
Console.WriteXY (X2, Y1, BoxAttr4, BoxFrameType[FrameType][3]);
|
|
|
|
For A := Y1 + 1 To Y2 - 1 Do Begin
|
|
Console.WriteXY (X1, A, BoxAttr, BoxFrameType[FrameType][4] + strRep(' ', B));
|
|
Console.WriteXY (X2, A, BoxAttr2, BoxFrameType[FrameType][5]);
|
|
End;
|
|
|
|
Console.WriteXY (X1, Y2, BoxAttr3, BoxFrameType[FrameType][6]);
|
|
Console.WriteXY (X1+1, Y2, BoxAttr2, strRep(BoxFrameType[FrameType][7], B) + BoxFrameType[FrameType][8]);
|
|
|
|
If Header <> '' Then
|
|
Case HeadType of
|
|
0 : Console.WriteXY (X1 + 1 + (B - Length(Header)) DIV 2, Y1, HeadAttr, Header);
|
|
1 : Console.WriteXY (X1 + 1, Y1, HeadAttr, Header);
|
|
2 : Console.WriteXY (X2 - Length(Header), Y1, HeadAttr, Header);
|
|
End;
|
|
|
|
If Shadow Then Begin
|
|
For A := Y1 + 1 to Y2 + 1 Do
|
|
For B := X2 + 1 to X2 + 2 Do Begin
|
|
Ch := Console.ReadCharXY(B, A);
|
|
Console.WriteXY (B, A, ShadowAttr, Ch);
|
|
End;
|
|
|
|
A := Y2 + 1;
|
|
For B := (X1 + 2) To (X2 + 2) Do Begin
|
|
Ch := Console.ReadCharXY(B, A);
|
|
Console.WriteXY (B, A, ShadowAttr, Ch);
|
|
End;
|
|
End;
|
|
End;
|
|
|
|
Procedure TMenuBox.Close;
|
|
Begin
|
|
If WasOpened Then Console.PutScreenImage(Image);
|
|
End;
|
|
|
|
Procedure TMenuBox.Hide;
|
|
Begin
|
|
If Assigned(HideImage) Then FreeMem(HideImage, SizeOf(TConsoleImageRec));
|
|
|
|
GetMem (HideImage, SizeOf(TConsoleImageRec));
|
|
|
|
Console.GetScreenImage (Image.X1, Image.Y1, Image.X2, Image.Y2, HideImage^);
|
|
Console.PutScreenImage (Image);
|
|
End;
|
|
|
|
Procedure TMenuBox.Show;
|
|
Begin
|
|
If Assigned (HideImage) Then Begin
|
|
Console.PutScreenImage(HideImage^);
|
|
FreeMem (HideImage, SizeOf(TConsoleImageRec));
|
|
HideImage := NIL;
|
|
End;
|
|
End;
|
|
|
|
Constructor TMenuList.Create (Var S: TOutput);
|
|
Begin
|
|
Inherited Create;
|
|
|
|
Box := TMenuBox.Create(S);
|
|
InKey := TInput.Create;
|
|
ListMax := 0;
|
|
HiAttr := 15 + 1 * 16;
|
|
LoAttr := 1 + 7 * 16;
|
|
PosBar := True;
|
|
Format := 0;
|
|
LoChars := #13#27;
|
|
HiChars := '';
|
|
NoWindow := False;
|
|
AllowTag := False;
|
|
TagChar := '*';
|
|
TagKey := #09;
|
|
TagPos := 0;
|
|
TagAttr := 15 + 7 * 16;
|
|
Marked := 0;
|
|
Picked := 1;
|
|
NoInput := False;
|
|
LastBarPos := 0;
|
|
StatusProc := NIL;
|
|
SearchProc := NIL;
|
|
SearchProc := @DefListBoxSearch;
|
|
SearchX := 0;
|
|
SearchY := 0;
|
|
SearchA := 0;
|
|
TopPage := 1;
|
|
End;
|
|
|
|
Procedure TMenuList.Clear;
|
|
Var
|
|
Count : Word;
|
|
Begin
|
|
For Count := 1 to ListMax Do
|
|
Dispose(List[Count]);
|
|
|
|
ListMax := 0;
|
|
Marked := 0;
|
|
End;
|
|
|
|
Procedure TMenuList.Delete (RecPos : Word);
|
|
Var
|
|
Count : Word;
|
|
Begin
|
|
If List[RecPos] <> NIL Then Begin
|
|
Dispose (List[RecPos]);
|
|
|
|
For Count := RecPos To ListMax - 1 Do
|
|
List[Count] := List[Count + 1];
|
|
|
|
Dec (ListMax);
|
|
End;
|
|
End;
|
|
|
|
Destructor TMenuList.Destroy;
|
|
Begin
|
|
Box.Free;
|
|
InKey.Free;
|
|
|
|
Clear;
|
|
|
|
Inherited Destroy;
|
|
End;
|
|
|
|
Procedure TMenuList.UpdateBar (X, Y: Byte; RecPos: Word; IsHi: Boolean);
|
|
Var
|
|
Str : String;
|
|
Attr : Byte;
|
|
Begin
|
|
If IsHi Then
|
|
Attr := HiAttr
|
|
Else
|
|
Attr := LoAttr;
|
|
|
|
If RecPos <= ListMax Then Begin
|
|
Str := ' ' + List[RecPos]^.Name + ' ';
|
|
|
|
Case Format of
|
|
0 : Str := strPadR(Str, Width, ' ');
|
|
1 : Str := strPadL(Str, Width, ' ');
|
|
2 : Str := strPadC(Str, Width, ' ');
|
|
End;
|
|
End Else
|
|
Str := strRep(' ', Width);
|
|
|
|
Box.Console.WriteXY (X, Y, Attr, Str);
|
|
|
|
If AllowTag Then
|
|
If (RecPos <= ListMax) and (List[RecPos]^.Tagged = 1) Then
|
|
Box.Console.WriteXY (TagPos, Y, TagAttr, TagChar)
|
|
Else
|
|
Box.Console.WriteXY (TagPos, Y, TagAttr, ' ');
|
|
End;
|
|
|
|
Procedure TMenuList.UpdatePercent;
|
|
Var
|
|
NewPos : LongInt;
|
|
Begin
|
|
If Not PosBar Then Exit;
|
|
|
|
If (ListMax > 0) and (WinSize > 0) Then Begin
|
|
NewPos := (Picked * WinSize) DIV ListMax;
|
|
|
|
If Picked >= ListMax Then NewPos := Pred(WinSize);
|
|
|
|
If (NewPos < 0) or (Picked = 1) Then NewPos := 0;
|
|
|
|
NewPos := Y1 + 1 + NewPos;
|
|
|
|
If LastBarPos <> NewPos Then Begin
|
|
If LastBarPos > 0 Then
|
|
Box.Console.WriteXY (X1 + Width + 1, LastBarPos, Box.BoxAttr2, #176);
|
|
|
|
LastBarPos := NewPos;
|
|
|
|
Box.Console.WriteXY (X1 + Width + 1, NewPos, Box.BoxAttr2, #178);
|
|
End;
|
|
End;
|
|
End;
|
|
|
|
Procedure TMenuList.Update;
|
|
Var
|
|
Loop : LongInt;
|
|
CurRec : Integer;
|
|
Begin
|
|
For Loop := 0 to WinSize - 1 Do Begin
|
|
CurRec := TopPage + Loop;
|
|
|
|
UpdateBar (X1 + 1, Y1 + 1 + Loop, CurRec, CurRec = Picked);
|
|
End;
|
|
|
|
UpdatePercent;
|
|
End;
|
|
|
|
Procedure TMenuList.Open (BX1, BY1, BX2, BY2 : Byte);
|
|
|
|
Procedure DownArrow;
|
|
Begin
|
|
If Picked < ListMax Then Begin
|
|
If Picked >= TopPage + WinSize - 1 Then Begin
|
|
Inc (TopPage);
|
|
Inc (Picked);
|
|
|
|
Update;
|
|
End Else Begin
|
|
UpdateBar (X1 + 1, Y1 + Picked - TopPage + 1, Picked, False);
|
|
|
|
Inc (Picked);
|
|
|
|
UpdateBar (X1 + 1, Y1 + Picked - TopPage + 1, Picked, True);
|
|
|
|
UpdatePercent;
|
|
End;
|
|
End;
|
|
End;
|
|
|
|
Var
|
|
Ch : Char;
|
|
Count : Word;
|
|
StartPos : Word;
|
|
EndPos : Word;
|
|
First : Boolean;
|
|
SavedRec : Word;
|
|
SavedTop : Word;
|
|
SearchStr : String;
|
|
LastWasChar : Boolean;
|
|
Begin
|
|
If Not NoWindow Then
|
|
Box.Open (BX1, BY1, BX2, BY2);
|
|
|
|
If SearchX = 0 Then SearchX := BX1 + 2;
|
|
If SearchY = 0 Then SearchY := BY2;
|
|
If SearchA = 0 Then SearchA := Box.BoxAttr4;
|
|
|
|
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;
|
|
|
|
While Picked > TopPage + WinSize - 1 Do
|
|
Inc (TopPage);
|
|
|
|
If PosBar Then
|
|
For Count := 1 to WinSize Do
|
|
Box.Console.WriteXY (X1 + Width + 1, Y1 + Count, Box.BoxAttr2, #176);
|
|
|
|
If NoInput Then Exit;
|
|
|
|
Update;
|
|
|
|
LastWasChar := False;
|
|
SearchStr := '';
|
|
|
|
Repeat
|
|
If Not LastWasChar Then Begin
|
|
If Assigned(SearchProc) And (SearchStr <> '') Then
|
|
SearchProc (Self, '');
|
|
|
|
SearchStr := ''
|
|
End Else
|
|
LastWasChar := False;
|
|
|
|
If Assigned(StatusProc) Then
|
|
If ListMax > 0 Then
|
|
StatusProc(Picked, List[Picked]^.Name)
|
|
Else
|
|
StatusProc(Picked, '');
|
|
|
|
Ch := InKey.ReadKey;
|
|
|
|
Case Ch of
|
|
#00 : Begin
|
|
Ch := InKey.ReadKey;
|
|
|
|
If Pos(Ch, HiChars) > 0 Then Begin
|
|
If SearchStr <> '' Then Begin
|
|
SearchStr := '';
|
|
If Assigned(SearchProc) Then
|
|
SearchProc(Self, SearchStr);
|
|
End;
|
|
|
|
ExitCode := Ch;
|
|
|
|
Exit;
|
|
End;
|
|
|
|
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
|
|
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
|
|
If ListMax > WinSize Then TopPage := ListMax - WinSize + 1;
|
|
Picked := ListMax;
|
|
Update;
|
|
End;
|
|
#80 : DownArrow;
|
|
#77,
|
|
#81 : If (Picked <> ListMax) Then Begin
|
|
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;
|
|
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
|
|
If SearchStr <> '' Then Begin
|
|
SearchStr := '';
|
|
If Assigned(SearchProc) Then
|
|
SearchProc(Self, SearchStr);
|
|
End;
|
|
|
|
ExitCode := Ch;
|
|
Exit;
|
|
End Else Begin
|
|
If Ch <> #01 Then Begin
|
|
If Ch = #25 Then Begin
|
|
LastWasChar := False;
|
|
Continue;
|
|
End;
|
|
|
|
If Ch = #8 Then Begin
|
|
If Length(SearchStr) > 0 Then
|
|
Dec(SearchStr[0])
|
|
Else
|
|
Continue;
|
|
End Else
|
|
If Ord(Ch) < 32 Then
|
|
Continue
|
|
Else
|
|
SearchStr := SearchStr + UpCase(Ch);
|
|
End;
|
|
|
|
SavedTop := TopPage;
|
|
SavedRec := Picked;
|
|
LastWasChar := True;
|
|
First := True;
|
|
StartPos := Picked + 1;
|
|
EndPos := ListMax;
|
|
|
|
If Assigned(SearchProc) Then
|
|
SearchProc(Self, SearchStr);
|
|
|
|
If StartPos > ListMax Then StartPos := 1;
|
|
|
|
Count := StartPos;
|
|
|
|
While (Count <= EndPos) Do Begin
|
|
If Pos(strUpper(SearchStr), strUpper(List[Count]^.Name)) > 0 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;
|
|
End;
|
|
Until False;
|
|
End;
|
|
|
|
Procedure TMenuList.Close;
|
|
Begin
|
|
If Not NoWindow Then Box.Close;
|
|
End;
|
|
|
|
Procedure TMenuList.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 TMenuList.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 TMenuList.SetSearchProc (P: TMenuListSearchProc);
|
|
Begin
|
|
SearchProc := P;
|
|
End;
|
|
|
|
Procedure TMenuList.SetStatusProc (P: TMenuListStatusProc);
|
|
Begin
|
|
StatusProc := P;
|
|
End;
|
|
|
|
End.
|