TonyJef
Junior Member | Редактировать | Профиль | Сообщение | Цитировать | Сообщить модератору Function MultiByteToWideChar(CodePage: UINT; dwFlags: DWORD; lpMultiByteStr: string; cbMultiByte: integer; lpWideCharStr: string; cchWideChar: integer): longint; external 'MultiByteToWideChar@kernel32.dll stdcall'; Function WideCharToMultiByte(CodePage: UINT; dwFlags: DWORD; lpWideCharStr: string; cchWideChar: integer; lpMultiByteStr: string; cbMultiByte: integer; lpDefaultChar: integer; lpUsedDefaultChar: integer): longint; external 'WideCharToMultiByte@kernel32.dll stdcall'; function PeekMessage(var lpMsg: TMyMsg; hWnd: HWND; wMsgFilterMin, wMsgFilterMax, wRemoveMsg: UINT): BOOL; external 'PeekMessageA@user32.dll stdcall'; function TranslateMessage(const lpMsg: TMyMsg): BOOL; external 'TranslateMessage@user32.dll stdcall'; function DispatchMessage(const lpMsg: TMyMsg): Longint; external 'DispatchMessageA@user32.dll stdcall'; Function OemToChar(lpszSrc, lpszDst: AnsiString): longint; external 'OemToCharA@user32.dll stdcall'; function GetWindowLong(hWnd, nIndex: Integer): Longint; external 'GetWindowLongA@user32 stdcall delayload'; function SetWindowText(hWnd: Longint; lpString: String): Longint; external 'SetWindowText{#A}@user32 stdcall delayload'; function GetTickCount: DWord; external 'GetTickCount@kernel32'; function WrapFreeArcCallback (callback: TFreeArcCallback; paramcount: integer):longword; external 'wrapcallback@files:innocallback.dll stdcall'; function FreeArcExtract (callback: longword; cmd1,cmd2,cmd3,cmd4,cmd5,cmd6,cmd7,cmd8,cmd9,cmd10: PAnsiChar): integer; external 'FreeArcExtract@files:unarc.dll cdecl'; procedure AppProcessMessage; var Msg: TMyMsg; begin while PeekMessage(Msg, 0, 0, 0, PM_REMOVE) do begin TranslateMessage(Msg); DispatchMessage(Msg); end; end; function cm(Message: String): String; Begin Result:= ExpandConstant('{cm:'+ Message +'}') End; // Преобразует OEM строку в ANSI кодировку function OemToAnsiStr( strSource: AnsiString): AnsiString; var nRet : longint; begin SetLength( Result, Length( strSource ) ); nRet:= OemToChar( strSource, Result ); end; // Преобразует строку из ANSI в UTF-8 кодировку function AnsiToUtf8( strSource: string ): string; var nRet : integer; WideCharBuf: string; MultiByteBuf: string; begin strSource:= strSource + chr(0); SetLength( WideCharBuf, Length( strSource ) * 2 ); SetLength( MultiByteBuf, Length( strSource ) * 2 ); nRet:= MultiByteToWideChar( CP_ACP, 0, strSource, -1, WideCharBuf, Length(WideCharBuf) ); nRet:= WideCharToMultiByte( CP_UTF8, 0, WideCharBuf, -1, MultiByteBuf, Length(MultiByteBuf), 0, 0); Result:= MultiByteBuf; end; // OnClick event function for btnCancel procedure btnCancelUnpackingOnClick(Sender: TObject); begin if MsgBox( SetupMessage( msgExitSetupMessage ), mbInformation, MB_YESNO ) = IDYES then CancelCode:= -127; end; var origsize: Integer; // The callback function for getting info about FreeArc archive function FreeArcInfoCallback (what: PAnsiChar; Mb, sizeArc: Integer; str: PAnsiChar): Integer; begin if string(what)='origsize' then origsize := Mb else if string(what)='compsize' then else if string(what)='total_files' then else Result:= CancelCode; end; // Returns decompressed size of files in archive function ArchiveOrigSize(arcname: string): Integer; var callback: longword; Begin callback:= WrapFreeArcCallback(@FreeArcInfoCallback,4); //FreeArcInfoCallback has 4 arguments CancelCode:= 0; AppProcessMessage; try // Pass the specified arguments to 'unarc.dll' Result:= FreeArcExtract (callback, 'l', '--', AnsiToUtf8(arcname), '', '', '', '', '', '', ''); if CancelCode < 0 then Result:= CancelCode; if Result >= 0 then Result:= origsize; except Result:= -63; // ArcFail end; end; // Scans the specified folders for archives and add them to list function FindArcs(dir: string): Extended; var FSR: TFindRec; Begin Result:= 0; if FindFirst(ExpandConstant(dir), FSR) then begin try repeat // Skip everything but the folders if FSR.Attributes and FILE_ATTRIBUTE_DIRECTORY > 0 then CONTINUE; n:= GetArrayLength(Arcs); // Expand the folder list SetArrayLength(Arcs, n +1); Arcs[n].Path:= ExtractFilePath(ExpandConstant(dir)) + FSR.Name; Arcs[n].Size:= Size64(FSR.SizeHigh, FSR.SizeLow); Result:= Result + Arcs[n].Size; Arcs[n].OrigSize := ArchiveOrigSize(Arcs[n].Path) totalUncompressedSize := totalUncompressedSize + Arcs[n].OrigSize until not FindNext(FSR); finally FindClose(FSR); end; end; End; // Sets the TaskBar title Procedure SetTaskBarTitle(Title: String); var h: Integer; Begin h:= GetWindowLong(MainForm.Handle, -8); if h <> 0 then SetWindowText(h, Title); End; // Конвертирует милисекунды в человеко-читаемое изображение времени Function TicksToTime(Ticks: DWord; h,m,s: String; detail: Boolean): String; Begin if detail {hh:mm:ss format} then Result:= PADZ(IntToStr(Ticks/3600000), 2) +':'+ PADZ(IntToStr((Ticks/1000 - Ticks/1000/3600*3600)/60), 2) +':'+ PADZ(IntToStr(Ticks/1000 - Ticks/1000/60*60), 2) else if Ticks/3600 >= 1000 {more than hour} then Result:= IntToStr(Ticks/3600000) +h+' '+ PADZ(IntToStr((Ticks/1000 - Ticks/1000/3600*3600)/60), 2) +m else if Ticks/60 >= 1000 {1..60 minutes} then Result:= IntToStr(Ticks/60000) +m+' '+ PADZ(IntToStr(Ticks/1000 - Ticks/1000/60*60), 2) +s else Result:= IntToStr(Ticks/1000) +s {less than one minute} End; // The main callback function for unpacking FreeArc archives function FreeArcCallback (what: PAnsiChar; Mb, sizeArc: Integer; str: PAnsiChar): Integer; var percents, Remaining: Integer; s: String; begin if GetTickCount - LastTimerEvent > 1000 then begin // Этот код будет выполняться раз в 1000 миллисекунд // End of code executed by timer LastTimerEvent := LastTimerEvent+1000; end; if string(what)='filename' then begin // Update FileName label lblExtractFileName.Caption:= FmtMessage(ExpandConstant('{app}\')+(cm('Extracting')), [OemToAnsiStr( str )] ) end else if (string(what)='write') and (totalUncompressedSize>0) and (Mb>lastMb) then begin // Assign to Mb *total* amount of data extracted to the moment from all archives lastMb := Mb; Mb := baseMb+Mb; // Update progress bar WizardForm.ProgressGauge.Position:= Mb; // Show how much megabytes/archives were processed up to the moment percents:= (Mb*1000) div totalUncompressedSize; s := FmtMessage(cm('ExtractedInfo'), [IntToStr(Mb), IntToStr(totalUncompressedSize)]); if GetArrayLength(Arcs)>1 then s := s + '. '+FmtMessage(cm('ArcInfo'), [IntToStr(n+1), IntToStr(GetArrayLength(Arcs))]) ; ExtractFile.Caption := s // Calculate and show current percents percents:= (Mb*1000) div totalUncompressedSize; s:= FmtMessage(cm('AllProgress'), [Format('%.1n', [Abs(percents/10)])]); if Mb > 0 then Remaining:= trunc((GetTickCount - StartInstall) * Abs((totalUncompressedSize - Mb)/Mb)) else Remaining:= 0; if Remaining = 0 then SetTaskBarTitle(cm('ending')) else begin s:= s + '. '+FmtMessage(cm('remains'), [TicksToTime(Remaining, cm('hour'), cm('min'), cm('sec'), false)]) SetTaskBarTitle(FmtMessage(cm('taskbar'), [IntToStr(percents/10), TicksToTime(Remaining, 'h', 'm', 's', false)])) end; FileNameLbl.Caption := s end; AppProcessMessage; Result:= CancelCode; end; // Extracts all found archives function UnPack(Archives: string): Integer; var totalCompressedSize: Extended; callback: longword; FreeMB, TotalMB: Cardinal; begin // Display 'Extracting FreeArc archive' lblExtractFileName.Caption:= ''; lblExtractFileName.Show; ExtractFile.caption:= cm('ArcTitle'); ExtractFile.Show; FileNamelbl.Caption:= ''; FileNamelbl.Show; // Show the 'Cancel unpacking' button and set it as default button btnCancelUnpacking.Caption:= WizardForm.CancelButton.Caption; btnCancelUnpacking.Show; WizardForm.ActiveControl:= btnCancelUnpacking; WizardForm.ProgressGauge.Position:= 0; // Get the size of all archives totalUncompressedSize := 0; totalCompressedSize := FindArcs(Archives); WizardForm.ProgressGauge.Max:= totalUncompressedSize; // Other initializations callback:= WrapFreeArcCallback(@FreeArcCallback,4); //FreeArcCallback has 4 arguments StartInstall:= GetTickCount; {время начала распаковки} LastTimerEvent:= GetTickCount; baseMb:= 0 for n:= 0 to GetArrayLength(Arcs) -1 do begin lastMb := 0 CancelCode:= 0; AppProcessMessage; try // Pass the specified arguments to 'unarc.dll' Result:= FreeArcExtract (callback, 'x', '-o+', '-dp' + AnsiToUtf8( ExpandConstant('{app}') ), '--', AnsiToUtf8(Arcs[n].Path), '', '', '', '', ''); if CancelCode < 0 then Result:= CancelCode; except Result:= -63; // ArcFail end; baseMb:= baseMb+lastMb // Error occured if Result <> 0 then begin msgError:= FmtMessage(cm('ArcError'), [IntToStr(Result)]); GetSpaceOnDisk(ExtractFileDrive(ExpandConstant('{app}')), True, FreeMB, TotalMB); case Result of -1: if FreeMB < 32 {Мб на диске} then msgError:= SetupMessage(msgDiskSpaceWarningTitle) else msgError:= msgError + #13#10 + FmtMessage(cm('ArcBroken'), [ExtractFileName(Arcs[n].Path)]); -127: msgError:= cm('ArcBreak'); //Cancel button -63: msgError:= cm('ArcFail'); end; //MsgBox(msgError, mbInformation, MB_OK); //сообщение показывается на странице завершения Log(msgError); Break; //прервать цикл распаковки end; end; // Hide labels and button FileNamelbl.Hide; lblExtractFileName.Hide; ExtractFile.Hide; btnCancelUnpacking.Hide; end; procedure CurStepChanged(CurStep: TSetupStep); begin if CurStep = ssPostInstall then begin WizardForm.FileNameLabel.Visible:= False WizardForm.StatusLabel.Caption:= ExpandConstant('{cm:Extracted}') UnPackError:= UnPack(Archives) if UnPackError = 0 then SetTaskBarTitle(SetupMessage(msgSetupAppTitle)) else begin // Error occured, uninstall it then Exec(ExpandConstant('{uninstallexe}'), '/SILENT','', sw_Hide, ewWaitUntilTerminated, n); //откат установки из-за ошибки unarc.dll SetTaskBarTitle(SetupMessage(msgErrorTitle)) WizardForm.Caption:= SetupMessage(msgErrorTitle) +' - '+ cm('ArcBreak') end; end; end; // стандартный способ отката (не нужна CurPageChanged), но архивы распаковываются до извлечения файлов инсталлятора // if CurStep = ssInstall then // if UnPack(Archives) <> 0 then Abort; Procedure CurPageChanged1(CurPageID: Integer); Begin if (CurPageID = wpFinished) and (UnPackError <> 0) then begin // Extraction was unsuccessful (распаковщик вернул ошибку) // Show error message FinishedHeadingLabel.Caption:= ExpandConstant('{cm:Finished4}'); FinishedHeadingLabel.Font.Color:= $0000C0; // red (красный) FinishedLabel.Caption:= SetupMessage(msgSetupAborted) + #13#13 + ExpandConstant('{cm:Finished3}'); FinishedLabel.Font.Color:= $0000C0; // red (красный) end; End; procedure InitializeWizard2(); begin with WizardForm.ProgressGauge do begin // Create a label to show current FileName being extracted lblExtractFileName:= TLabel.Create(WizardForm); lblExtractFileName.parent:=WizardForm.InstallingPage; lblExtractFileName.autosize:=false; lblExtractFileName.Left:= ScaleX(0); lblExtractFileName.Top:= ScaleY(15); lblExtractFileName.Width:= ScaleX(625); lblExtractFileName.Height:= ScaleY(20); lblExtractFileName.Caption:= ''; lblExtractFileName.Transparent := True; lblExtractFileName.Font.Name:= 'Georgia' lblExtractFileName.Font.Size:= 8; lblExtractFileName.Font.Style:= [fsItalic]; lblExtractFileName.Font.Color:= clWhite; lblExtractFileName.Hide; // Create a label to show percentage ExtractFile:= TLabel.Create(WizardForm); ExtractFile.parent:=WizardForm.InstallingPage; ExtractFile.autosize:=false; ExtractFile.Left:= ScaleX(-105); ExtractFile.Top:= ScaleY(80); ExtractFile.Width:= ScaleX(625); ExtractFile.Height:= ScaleY(20); ExtractFile.Alignment := taCenter; ExtractFile.caption:= ''; ExtractFile.Transparent := True; ExtractFile.Font.Name:= 'Georgia' ExtractFile.Font.Size:= 8; ExtractFile.Font.Style:= [fsItalic]; ExtractFile.Font.Color:= clWhite; ExtractFile.Hide; FileNamelbl:= TLabel.Create(WizardForm); FileNamelbl.parent:=WizardForm.InstallingPage; FileNamelbl.autosize:=false; FileNamelbl.Left:= ScaleX(-105); FileNamelbl.Top:= ScaleY(94); FileNamelbl.Width:= ScaleX(625); FileNamelbl.Height:= ScaleY(50); FileNamelbl.Alignment := taCenter; FileNamelbl.caption:= ''; FileNamelbl.Transparent := True; FileNamelbl.Font.Name:= 'Georgia' FileNamelbl.Font.Size:= 8; FileNamelbl.Font.Style:= [fsItalic]; FileNamelbl.Font.Color:= clWhite; FileNamelbl.Hide; end; // Create a 'Cancel unpacking' button and hide it for now. btnCancelUnpacking:=TButton.create(WizardForm); btnCancelUnpacking.Parent:= WizardForm; btnCancelUnpacking.SetBounds(WizardForm.CancelButton.Left, WizardForm.CancelButton.top, WizardForm.CancelButton.Width, WizardForm.CancelButton.Height); btnCancelUnpacking.OnClick:= @btnCancelUnpackingOnClick; btnCancelUnpacking.Hide; end; |