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| {*****************************************************************************
*
* UnitMacrosList.pas - Nostromo N50 Macros Editor (21-November-2008)
*
* Copyright (c) 2008 Wilfrid AVRILLON
*
* Author: Wilfrid AVRILLON
* E-mail: wilfrid.avrillon@gmail.com
* Homepage: http://sourceforge.net/projects/nostromon50onvi/
*
*
* This file is part of Nostromo N50 Macros Editor.
*
* Nostromo N50 Macros Editor 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.
*
* Nostromo N50 Commander 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 Nostromo N50 Macros Editor.
* If not, see <http://www.gnu.org/licenses/>.
*
*----------------------------------------------------------------------------
*
* Revision history:
*
* DATE REV DESCRIPTION
* ----------- --- ----------------------------------------------------------
*
* Nov 21 2008 TF First Release !
* TMacro : Class definition of a macro-command
* (One Macro=one key or one key combination)
* TMacroList : handles a list of TMacro
* Dec 18 2008 1.2 Feature : Mouse support
*****************************************************************************}
unit UnitMacrosList;
interface
uses Sysutils, Classes, Contnrs, StdCtrls;
Type
TTouche=record
down:boolean;
VK_code:word;
end;
PTTouche = ^TTouche;
TMacro = class(TObject)
private
FList:TList;
FMacroName: string;
FMacroID: integer;
function GetItem(Index: Integer): TTouche;
procedure SetItem(Index: Integer; const Value: TTouche);
function GetCount: Integer;
procedure SetCount(const Value: Integer);
procedure SetMacroName(const Value: string);
procedure SetMacroID(const Value: integer);
protected
procedure SaveToStream(AStream:TStream);
function LoadFromStream(AStream:TStream):boolean;
public
FirstKeyUp,LastKeyDown,IndexUp:integer;
constructor Create;
destructor Destroy; override;
function Add(Item:TTouche): Integer;
procedure Delete(Index: Integer);
procedure Insert(Index: Integer; Item: TTouche);
procedure Move(CurIndex, NewIndex: Integer);
procedure Exchange(Index1, Index2: Integer);
procedure Clear;
procedure ComputeIndexUp;
function IndexOf(const Value: TTouche): Integer;
property MacroName:string read FMacroName write SetMacroName;
Property MacroID:integer read FMacroID write SetMacroID;
property Items[Index:Integer]:TTouche read GetItem write SetItem;default;
property Count: Integer read GetCount write SetCount;
end;
TMacroList = class
private
FList: TObjectList;
FFichier: string;
FGameApp: string;
function GetItem(Index: Integer): TMacro;
function GetCapacity: Integer;
function GetCount: Integer;
procedure SetItem(Index: Integer; const Value: TMacro);
procedure SetCapacity(const Value: Integer);
procedure SetCount(const Value: Integer);
function GetOwnsObjects: boolean;
procedure SetOwnsObjects(const Value: boolean);
procedure SetFichier(const Value: string);
procedure SetGameApp(const Value: string);
protected
procedure SaveToStream(AStream:TStream);
function LoadFromStream(AStream:TStream):boolean;
public
constructor Create;
destructor Destroy; override;
function Add(Item: TMacro): Integer;
procedure Clear; virtual;
procedure Delete(Index: Integer);
procedure Exchange(Index1, Index2: Integer);
function Expand: TMacroList;
function Extract(Item: TMacro): TMacro;
function First: TMacro;
function IndexOf(Item: TMacro): Integer;
function IndexOfID(AMacroID:Integer): Integer;
procedure Insert(Index: Integer; Item: TMacro);
function Last: TMacro;
procedure Move(CurIndex, NewIndex: Integer);
procedure SortByNames;
function Remove(Item: TMacro): Integer;
procedure Pack;
procedure Sort(Compare: TListSortCompare);
procedure Assign(ListA: TMacroList; AOperator: TListAssignOp = laCopy; ListB: TMacroList = nil);
property GameApp:string read FGameApp write SetGameApp;
property Capacity: Integer read GetCapacity write SetCapacity;
property Count: Integer read GetCount write SetCount;
property Items[Index: Integer]: TMacro read GetItem write SetItem; default;
property OwnsObjects: boolean read GetOwnsObjects write SetOwnsObjects;
property Fichier:string read FFichier write SetFichier;
function LoadFromFile:boolean;
procedure SaveToFile;
end;
implementation
{ TMacro }
procedure WriteStreamString(Stream : TStream; UneChaine : string);
var LongueurChaine : integer;
begin
{obtenir la longueur de la chaîne de caractères}
LongueurChaine := Length(UneChaine);
{écrire cette longueur dans le flux}
Stream.Write(LongueurChaine,SizeOf(integer));
{écrire les caractères (tous d'un coup !)}
Stream.Write(UneChaine[1], LongueurChaine);
end;
{retourne une chaîne de caractères depuis le flux}
function ReadStreamString(Stream : TStream) : string;
var LongueurChaine : integer;
begin
{obtenir la longueur de la chaîne de caractères}
Stream.Read(LongueurChaine,SizeOf(integer));
{Redimensionner la chaine pour allouer la mémoire nécessaire}
SetLength(Result, LongueurChaine);
{Lire les caractères (Tous d'un coup)}
Stream.Read(Result[1], LongueurChaine);
end;
function TMacro.Add(Item:TTouche): Integer;
var
p:PTTouche;
begin
GetMem(p,SizeOf(Item));
p^ := Item;
result := FList.Add(p);
end;
procedure TMacro.Clear;
var
i:integer;
begin
for i := 0 to FList.Count-1 do FreeMem(FList[i]);
FList.Clear;
end;
procedure TMacro.ComputeIndexUp;
var i:integer;
begin
FirstKeyUp:=Count;
LastKeyDown:=0;
for I := 0 to Count - 1 do
begin
if Items[i].down then
begin
if (i>LastKeyDown) then LastKeyDown:=i;
end
else begin
if (i<FirstKeyUp) then FirstKeyUp:=i;
end;
end;
if (FirstKeyUp<LastKeyDown)
then IndexUp:=Count
else IndexUp:=FirstKeyUp;
end;
constructor TMacro.Create;
begin
FList := TList.Create;
end;
procedure TMacro.Delete(Index: Integer);
begin
FreeMem(FList[Index]);
FList.Delete(Index);
end;
destructor TMacro.Destroy;
begin
Clear;
FList.Free;
inherited;
end;
procedure TMacro.Exchange(Index1, Index2: Integer);
begin
FList.Exchange(Index1, Index2);
end;
function TMacro.GetCount: Integer;
begin
result := FList.Count;
end;
function TMacro.GetItem(Index: Integer): TTouche;
begin
result := PTTouche(FList[Index])^;
end;
function TMacro.IndexOf(const Value: TTouche): Integer;
var i: Integer;
found:Boolean;
AnItem:TTouche;
begin
Result := -1;
found:=False;
i:=0;
while ((i<FList.Count) and (not found)) do
begin
AnItem:=GetItem(i);
found:=CompareMem(@Value,@AnItem,SizeOf(TTouche));
if not found then Inc(i);
end;
if found then Result:=i;
end;
procedure TMacro.Insert(Index: Integer; Item: TTouche);
var
p: PTTouche;
begin
GetMem(p, SizeOf(Item));
p^ := Item;
FList.Insert(Index, p);
end;
function TMacro.LoadFromStream(AStream: TStream): boolean;
var NbreTouches,i:integer;
ATouche:TTouche;
begin
try
result:=true;
FMacroName:=ReadStreamString(AStream);
AStream.Read(FMacroID,sizeof(integer));
AStream.Read(NbreTouches,sizeof(integer));
for i := 0 to NbreTouches - 1 do
begin
AStream.Read(ATouche,sizeof(TTouche));
add(Atouche);
end;
except
result:=false;
end;
end;
procedure TMacro.Move(CurIndex, NewIndex: Integer);
begin
FList.Move(CurIndex, NewIndex);
end;
procedure TMacro.SaveToStream(AStream: TStream);
var NbreTouches,i:integer;
ATouche:TTouche;
begin
WriteStreamString(AStream,FMacroName);
NbreTouches:=Count;
AStream.Write(FMacroID,SizeOf(integer));
AStream.Write(NbreTouches,SizeOf(integer));
for i := 0 to NbreTouches - 1 do
begin
Atouche:=Items[i];
AStream.Write(ATouche,sizeof(TTouche));
end;
end;
procedure TMacro.SetCount(const Value: Integer);
var
i, ListCount: Integer;
p: PTTouche;
begin
if FList.Count = Value then
Exit
else
if Value < FList.Count then
begin
ListCount := FList.Count;
for i := ListCount downto Value+1 do
begin
FList.Delete(i);
end;
end else
if FList.Count < Value then
begin
for i := FList.Count+1 to Value do
begin
GetMem(p, SizeOf(TTouche));
FillChar(p^, SizeOf(TTouche), 0);
FList.Add(p);
end;
end;
end;
procedure TMacro.SetItem(Index: Integer; const Value: TTouche);
begin
PTTouche(FList[Index])^ := value;
end;
procedure TMacro.SetMacroID(const Value: integer);
begin
FMacroID := Value;
end;
procedure TMacro.SetMacroName(const Value: string);
begin
FMacroName := Value;
end;
{ TMacroList }
function TMacroList.Add(Item: TMacro): Integer;
var AnID:integer;
begin
AnID:=0;
while IndexOfID(AnID)<>-1 do inc(AnID);
Item.MacroID:=AnID;
Result := FList.Add(Item);
end;
procedure TMacroList.Assign(ListA: TMacroList; AOperator: TListAssignOp;
ListB: TMacroList);
begin
if ListB <> nil then
FList.Assign(ListA.FList, AOperator, ListB.FList) else
FList.Assign(ListA.FList);
end;
procedure TMacroList.Clear;
begin
FList.Clear;
end;
constructor TMacroList.Create;
begin
FList := TObjectList.Create;
end;
procedure TMacroList.Delete(Index: Integer);
begin
FList.Delete(Index);
end;
destructor TMacroList.Destroy;
begin
FList.Free;
inherited;
end;
procedure TMacroList.Exchange(Index1, Index2: Integer);
begin
FList.Exchange(Index1, Index2);
end;
function TMacroList.Expand: TMacroList;
begin
Result := TMacroList(FList.Expand);
end;
function TMacroList.Extract(Item: TMacro): TMacro;
begin
Result := Extract(Item);
end;
function TMacroList.First: TMacro;
begin
Result := TMacro(FList.First);
end;
function TMacroList.GetItem(Index: Integer): TMacro;
begin
Result := TObject(FList[Index]) as TMacro;
end;
function TMacroList.GetCapacity: Integer;
begin
Result := FList.Capacity;
end;
function TMacroList.GetCount: Integer;
begin
Result := FList.Count;
end;
function TMacroList.IndexOf(Item: TMacro): Integer;
begin
Result := FList.IndexOf(Item);
end;
function TMacroList.IndexOfID(AMacroID: Integer): Integer;
begin
Result := 0;
while (Result < Count) and (Items[Result].MacroID <> AMacroID) do
Inc(Result);
if Result = Count then
Result := -1;
end;
procedure TMacroList.Insert(Index: Integer; Item: TMacro);
begin
FList.Insert(Index, Item);
end;
function TMacroList.Last: TMacro;
begin
Result := TMacro(FList.Last);
end;
function TMacroList.LoadFromFile:boolean;
var AFS:TFileStream;
begin
result:=false;
if not FileExists(Fichier) then exit;
AFS:=TFileStream.Create(Fichier,fmOpenRead);
try
result:=LoadFromStream(AFS);
finally
AFS.Free;
end;
end;
function TMacroList.LoadFromStream(AStream: TStream):boolean;
var nbreMacros,i:integer;
AMacro:TMacro;
begin
try
result:=true;
Clear;
FGameApp:=ReadStreamString(AStream);
AStream.Read(nbreMacros,SizeOf(integer));
for i:=0 to nbreMacros-1 do
begin
AMacro:=TMacro.Create;
AMacro.LoadFromStream(AStream);
Add(AMacro);
end;
except
result:=false;
end;
end;
procedure TMacroList.Move(CurIndex, NewIndex: Integer);
begin
FList.Move(CurIndex, NewIndex);
end;
procedure TMacroList.Pack;
begin
FList.Pack;
end;
procedure TMacroList.SetItem(Index: Integer; const Value: TMacro);
begin
FList.Items[Index] := Value;
end;
function TMacroList.Remove(Item: TMacro): Integer;
begin
Result := FList.Remove(Item);
end;
procedure TMacroList.SaveToFile;
var AFS:TFileStream;
begin
SortByNames;
if FileExists(FFichier) then DeleteFile(fichier);
AFS:=TFileStream.Create(Fichier,fmCreate);
try
SaveToStream(AFS);
finally
AFS.Free;
end;
end;
procedure TMacroList.SaveToStream(AStream: TStream);
var nbreMacros,i:integer;
AMacro:TMacro;
begin
WriteStreamString(AStream,FGameApp);
nbreMacros:=Count;
AStream.Write(nbreMacros,SizeOf(integer));
for i:=0 to nbreMacros-1 do
begin
AMacro:=Items[i];
AMacro.SaveToStream(AStream);
end;
end;
procedure TMacroList.SetCapacity(const Value: Integer);
begin
FList.Capacity := Value;
end;
procedure TMacroList.SetCount(const Value: Integer);
begin
FList.Count := Value;
end;
procedure TMacroList.SetFichier(const Value: string);
begin
FFichier := Value;
end;
procedure TMacroList.SetGameApp(const Value: string);
begin
FGameApp := Value;
end;
procedure TMacroList.Sort(Compare: TListSortCompare);
begin
FList.Sort(Compare);
end;
function TMacroList.GetOwnsObjects: boolean;
begin
Result := FList.OwnsObjects;
end;
procedure TMacroList.SetOwnsObjects(const Value: boolean);
begin
FList.OwnsObjects := Value;
end;
procedure TMacroList.SortByNames;
function CompareNames(Item1, Item2: Pointer): Integer;
begin
Result := CompareText(TMacro(Item1).MacroName, TMacro(Item2).MacroName);
end;
begin
Sort(@CompareNames);
end;
end. |
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