向 Inno 设置向导表单添加最小化和恢复过渡(动画):
在单元向导中,
改变 TWizardForm.CreateParams 像这样:
procedure TWizardForm.CreateParams(var Params: TCreateParams);
begin
inherited;
{ Ensure the form is on top of MainForm by making MainForm
the "parent" of the form when *MainForm is set to Visible*. }
if shWindowVisible in SetupHeader.Options then
Params.WndParent := MainForm.Handle
else
Params.WndParent := GetDesktopWindow;
end;
改变 TWizardForm.WMSysCommand 像这样:
procedure TWizardForm.WMSysCommand(var Message: TWMSysCommand);
begin
if Message.CmdType and $FFF0 = SC_MINIMIZE then begin
{ A minimize button is shown on the wizard form when (shWindowVisible in
SetupHeader.Options). When it is clicked we want to minimize the whole
application. }
if shWindowVisible in SetupHeader.Options then
Application.Minimize
else
ShowWindow(WizardForm.Handle, SW_MINIMIZE);
end
else
if Message.CmdType and $FFF0 = SC_RESTORE then begin
if shWindowVisible in SetupHeader.Options then
Application.Restore
else
ShowWindow(WizardForm.Handle, SW_RESTORE);
end;
if Message.CmdType = 9999 then
MainForm.ShowAboutBox
else
inherited;
end;
声明一个名为TWizardForm.FormShow的新过程如下所示:
procedure FormShow(Sender: TObject);
在单元向导的Implementation 部分如下声明。
procedure TWizardForm.FormShow(Sender: TObject);
begin
if not(shWindowVisible in SetupHeader.Options) then
ShowWindow(Application.Handle, SW_HIDE);
end;
最后,将此TWizardForm.FormShow 添加为 WizardForm 的 OnShow Form 事件。
你快完成了!现在,Wizard Window 应该会按您的预期显示“Restore and Minimize Animations”。
在将最小化过渡(动画)添加到 Inno 设置向导后修复 MessageBox 父窗口问题:
注意:必须这样做以防止已记录的向导消息框(可以使用 Inno Setup Compiler Log 记录)有时显示两个任务栏按钮,即使 WizardForm 是可见的。
在 Unit Main 的 { Variables for command line parameters } 部分中,声明一个新的布尔变量,如下所示:
IsApplicationRunning: Boolean;
在主单元中,
改变程序 AbortInit 像这样:
procedure AbortInit(const Msg: TSetupMessageID);
begin
IsApplicationRunning := False;
LoggedMsgBox(SetupMessages[Msg], '', mbCriticalError, MB_OK, True, IDOK);
Abort;
end;
改变程序 AbortInitFmt1 像这样:
procedure AbortInitFmt1(const Msg: TSetupMessageID; const Arg1: String);
begin
IsApplicationRunning := False;
LoggedMsgBox(FmtSetupMessage(Msg, [Arg1]), '', mbCriticalError, MB_OK, True, IDOK);
Abort;
end;
改变程序 AbortInitServicePackRequired 像这样:
procedure AbortInitServicePackRequired(const ServicePack: Word);
begin
IsApplicationRunning := False;
LoggedMsgBox(FmtSetupMessage(msgWindowsServicePackRequired, ['Windows', IntToStr(Hi(ServicePack))]), '', mbCriticalError, MB_OK, True, IDOK);
Abort;
end;
在单元向导中,
修改之前添加的过程 TWizardForm.FormShow 像这样:
procedure TWizardForm.FormShow(Sender: TObject);
begin
if not(shWindowVisible in SetupHeader.Options) then
ShowWindow(Application.Handle, SW_HIDE);
IsApplicationRunning := True;
end;
单位CmnFunc,
将 Wizard 和 Main 添加到 Unit CmnFunc 的 Implementation 中的 Uses 部分。
改变程序 AppMessageBox 像这样:
function AppMessageBox(const Text, Caption: PChar; Flags: Longint): Integer;
var
ActiveWindow: HWND;
MessageHandler: HWND;
WindowList: Pointer;
{$IFNDEF IS_D4}
DidMove: Boolean;
OldRect: TRect;
{$ENDIF}
begin
if MessageBoxRightToLeft then
Flags := Flags or (MB_RTLREADING or MB_RIGHT);
if IsApplicationRunning = False then
MessageHandler := Application.Handle
else
MessageHandler := WizardForm.Handle;
{ If the application window isn't currently visible, show the message box
with no owner window so it'll get a taskbar button }
if IsIconic(MessageHandler) or (GetWindowLong(MessageHandler, GWL_STYLE) and WS_VISIBLE = 0) or (GetWindowLong(MessageHandler, GWL_EXSTYLE) and WS_EX_TOOLWINDOW <> 0) then begin
ActiveWindow := GetActiveWindow;
WindowList := DisableTaskWindows(0);
try
{ Note: DisableTaskWindows doesn't disable invisible windows.
MB_TASKMODAL will ensure that Application.Handle gets disabled too. }
Result := MessageBox(0, Text, Caption, Flags or MB_TASKMODAL);
finally
EnableTaskWindows(WindowList);
SetActiveWindow(ActiveWindow);
end;
Exit;
end;
TriggerMessageBoxCallbackFunc(Flags, False);
try
{$IFDEF IS_D4}
{ On Delphi 4+, simply call Application.MessageBox }
Result := Application.MessageBox(Text, Caption, Flags);
{$ELSE}
{ Use custom implementation on Delphi 2 and 3. The Flags parameter is
incorrectly declared as a Word on Delphi 2's Application.MessageBox, and
there is no support for multiple monitors. }
DidMove := MoveAppWindowToActiveWindowMonitor(OldRect);
try
ActiveWindow := GetActiveWindow;
WindowList := DisableTaskWindows(0);
try
Result := MessageBox(Application.Handle, Text, Caption, Flags);
finally
EnableTaskWindows(WindowList);
SetActiveWindow(ActiveWindow);
end;
finally
if DidMove then
SetWindowPos(Application.Handle, 0,
OldRect.Left + ((OldRect.Right - OldRect.Left) div 2),
OldRect.Top + ((OldRect.Bottom - OldRect.Top) div 2),
0, 0, SWP_NOACTIVATE or SWP_NOREDRAW or SWP_NOSIZE or SWP_NOZORDER);
end;
{$ENDIF}
finally
TriggerMessageBoxCallbackFunc(Flags, True);
end;
end;
现在所有已记录的消息框和任何其他消息框都将正常显示!
现在,使用自述文件中的推荐编译器编译安装程序 (Setup.e32),并将其复制到安装 Inno Setup 的目录。
注意:已安装的 Inno Setup Unicode 或 Ansi 版本必须与您修改为重新编译的 Inno Setup 源代码的版本匹配。或者您可以编译整个 Inno Setup 项目并复制 - 将此修改并重新编译的安装程序 (Setup.e32) 替换到您编译 Inno Setup 的目录。
重新编译安装程序后,您需要在 Pascal 脚本中添加以下代码。
[Files]
Source: "InnoCallback.dll"; Flags: dontcopy
[Code]
#ifdef UNICODE
#define AW "W"
#else
#define AW "A"
#endif
const
GWL_WNDPROC = -4;
SC_ABOUTBOX = 9999;
SC_RESTORE = $F120;
SC_MINIMIZE = $F020;
WM_SYSCOMMAND = $0112;
Type
WPARAM = UINT_PTR;
LPARAM = LongInt;
LRESULT = LongInt;
TWindowProc = function(hwnd: HWND; uMsg: UINT; wParam: WPARAM; lParam: LPARAM): LRESULT;
var
PrevWndProc: LongInt;
function CallWindowProc(lpPrevWndFunc: LongInt; hWnd: HWND; Msg: UINT; wParam: WPARAM; lParam: LPARAM): LRESULT;
external 'CallWindowProc{#AW}@user32.dll stdcall';
function WrapWindowProc(Callback: TWindowProc; ParamCount: Integer): LongWord;
external 'wrapcallback@files:InnoCallback.dll stdcall';
function SetWindowLong(hWnd: HWND; nIndex: Integer; dwNewLong: LongInt): LongInt;
external 'SetWindowLong{#AW}@user32.dll stdcall';
function Wizard_WMSYSCOMMAND(hwnd: HWND; uMsg: UINT; wParam: WPARAM; lParam: LPARAM): LRESULT;
begin
if (uMsg = WM_SYSCOMMAND) and (wParam and $FFF0 = SC_MINIMIZE) then begin
//SOMETHING LIKE BASS_Pause();.
Log('Wizard Window has been Minimized.');
end;
if (uMsg = WM_SYSCOMMAND) and (wParam and $FFF0 = SC_RESTORE) then begin
//SOMETHING LIKE BASS_Start();.
Log('Wizard Window has been Restored.');
end;
if (uMsg = WM_SYSCOMMAND) and (wParam = SC_ABOUTBOX) then begin
Result := 0;
MainForm.ShowAboutBox;
end
else
Result := CallWindowProc(PrevWndProc, hwnd, uMsg, wParam, lParam);
end;
procedure InitializeWizard();
begin
PrevWndProc := SetWindowLong(WizardForm.Handle, GWL_WNDPROC, WrapWindowProc(@Wizard_WMSYSCOMMAND, 4));
end;
procedure DeinitializeSetup();
begin
SetWindowLong(WizardForm.Handle, GWL_WNDPROC, PrevWndProc);
end;
现在,当 WizardForm 通过编译器日志消息最小化或恢复时,您应该立即收到通知。您可以通过在函数Wizard_WMSYSCOMMAND 中添加它们来根据您的代码暂停或恢复音乐。