INNO SETUP卸载程序中加入自定义窗体

原文:INNO SETUP卸载程序中加入自定义窗体

[Setup]
AppName=My Program
AppVerName=My Program v.1.2
DefaultDirName={pf}/My Program

[Files]
Source: Files/*; DestDir: {app}

[Code]
const
bidDelAll = 1;
bidSkipAll = 2;
var
Form: TSetupForm;
CheckListBox: TNewCheckListBox;
AllButton, UnAllButton: TButton;
CancelButton, DelButton: TButton;
StaticText: TNewStaticText;

MsgForm: TSetupForm;
MsgAllButton, MsgSkipAllButton: TButton;
MsgCancelButton, MsgDelButton: TButton;

DelAllReadOnly: Boolean;
SkipAllReadOnly: Boolean;

CheckDirs, CheckFiles: Boolean;

function Size64(Hi, Lo: integer): Extended;
var
i: integer;
begin
Result:= Lo;
if Lo < 0 then
Result:= Result + 2147483647 + 2147483647 + 2;
i:= Hi;
while i > 0 do
begin
Result:= Result + 2147483647 + 2147483647 + 2;
i:= i - 1;
end;
end;

procedure FillListBox(const fromDir, fileMask: string; Level: Byte);
var
FSR, DSR: TFindRec;
FindResult: Boolean;
APath: string;
i: integer;
begin
APath := AddBackslash(fromDir);
FindResult := FindFirst(APath + fileMask, FSR);
try
while FindResult and CheckFiles do
begin
if FSR.Attributes and FILE_ATTRIBUTE_DIRECTORY = 0 then
begin
{files} i:= CheckListBox.AddCheckBox(FSR.Name,
FloatToStr(Size64(FSR.SizeHigh, FSR.SizeLow)) + ‘ byte‘,
Level, True, True, False, True, TStringList.Create);
TStrings(CheckListBox.ItemObject[i]).Text:= APath + FSR.Name;
end;
FindResult := FindNext(FSR);
end;
FindResult := FindFirst(APath + ‘*.*‘, DSR);
while FindResult and CheckDirs do
begin
CheckFiles:= True;
if ((DSR.Attributes and FILE_ATTRIBUTE_DIRECTORY) = FILE_ATTRIBUTE_DIRECTORY) and
not ((DSR.Name = ‘.‘) or (DSR.Name = ‘..‘)) then
begin
{dir} i:= CheckListBox.AddCheckBox(DSR.Name,‘DIR‘, Level,
True, True, False, True, TStringList.Create);
TStrings(CheckListBox.ItemObject[i]).Text:= APath + DSR.Name;
{Recursion} FillListBox(APath + DSR.Name, fileMask, Level+1);
end;
FindResult := FindNext(DSR);
end;
finally
FindClose(FSR);
FindClose(DSR);
end;
end;

procedure ButtonOnClick(Sender: TObject);
begin
if TButton(Sender).Tag = 0 then
CheckListBox.CheckItem(0, coCheckWithChildren)
else
CheckListBox.CheckItem(0, coUnCheck);
end;

procedure MsgButtonOnClick(Sender: TObject);
begin
Case TButton(Sender).Tag of
bidDelAll : DelAllReadOnly:= True;
bidSkipAll: SkipAllReadOnly:= True;
end;
MsgForm.Close;
end;

function DelMsgBox(FileName: string): Boolean;
var
MsgLabel: TLabel;
begin
MsgForm:= CreateCustomForm;
MsgForm.ClientWidth := ScaleX(400);
MsgForm.ClientHeight := ScaleY(120);
MsgForm.Caption := ‘Files to delete‘;
MsgForm.Center;

MsgLabel := TLabel.Create(MsgForm);
MsgLabel.Left := ScaleX(20);
MsgLabel.Top := ScaleY(20);
MsgLabel.Caption:= FileName + ‘ is protected file or directory!‘ + #10#10#13 + ‘Do you want to delete the file with READONLY attribute?‘;
MsgLabel.Parent := MsgForm;

MsgAllButton := TButton.Create(MsgForm);
MsgAllButton.Parent := MsgForm;
MsgAllButton.Width := ScaleX(75);
MsgAllButton.Height := ScaleY(23);
MsgAllButton.Left := ScaleX(20);
MsgAllButton.Top := MsgForm.ClientHeight - ScaleY(23 + 10);
MsgAllButton.Caption := ‘Delete All‘;
MsgAllButton.Tag:= bidDelAll;
MsgAllButton.OnClick := @MsgButtonOnClick;

MsgSkipAllButton := TButton.Create(MsgForm);
MsgSkipAllButton.Parent := MsgForm;
MsgSkipAllButton.Width := ScaleX(75);
MsgSkipAllButton.Height := ScaleY(23);
MsgSkipAllButton.Left := MsgAllButton.Left + MsgAllButton.Width + ScaleX(10);
MsgSkipAllButton.Top := MsgForm.ClientHeight - ScaleY(23 + 10);
MsgSkipAllButton.Caption := ‘Skip All‘;
MsgSkipAllButton.Tag:= bidSkipAll;
MsgSkipAllButton.OnClick := @MsgButtonOnClick;

MsgCancelButton := TButton.Create(MsgForm);
MsgCancelButton.Parent := MsgForm;
MsgCancelButton.Width := ScaleX(75);
MsgCancelButton.Height := ScaleY(23);
MsgCancelButton.Left := MsgForm.ClientWidth - MsgCancelButton.Width - ScaleX(20);
MsgCancelButton.Top := MsgForm.ClientHeight - ScaleY(23 + 10);
MsgCancelButton.Caption := ‘Skip‘;
MsgCancelButton.ModalResult := mrCancel;

MsgDelButton := TButton.Create(MsgForm);
MsgDelButton.Parent := MsgForm;
MsgDelButton.Width := ScaleX(75);
MsgDelButton.Height := ScaleY(23);
MsgDelButton.Left := MsgCancelButton.Left - MsgDelButton.Width - ScaleX(10);
MsgDelButton.Top := MsgForm.ClientHeight - ScaleY(23 + 10);
MsgDelButton.Caption := ‘Delete‘;
MsgDelButton.ModalResult := mrOk;

MsgForm.ActiveControl:= MsgCancelButton;

if MsgForm.ShowModal() = mrOk then
Result:= True
else
Result:= False;
end;

procedure DeleteFiles();
var
SR: TFindRec;
i: integer;
str: string;
ResultCode: Integer;
begin
DelAllReadOnly:= False;
SkipAllReadOnly:= False;
for i:= CheckListBox.Items.Count - 1 downto 0 do
begin
if CheckListBox.State[i] = cbChecked then
begin
str:= Trim(TStrings(CheckListBox.ItemObject[i]).Text);
FindFirst(str, SR);
if ((SR.Attributes and FILE_ATTRIBUTE_READONLY) = FILE_ATTRIBUTE_READONLY) then
if Not (DelAllReadOnly or SkipAllReadOnly) then
if DelMsgBox(SR.Name) then
Exec(‘attrib‘, ‘ -h -s -r ‘ + ‘"‘ + str + ‘"‘,
‘‘, SW_HIDE, ewWaitUntilTerminated, ResultCode);
if DelAllReadOnly then
Exec(‘attrib‘, ‘ -h -s -r ‘ + ‘"‘ + str + ‘"‘,
‘‘, SW_HIDE, ewWaitUntilTerminated, ResultCode);

FindClose(SR);
DeleteFile(str);
RemoveDir(str);
end;
end;
end;

procedure BrowseRemainedFiles();
begin
Form:= CreateCustomForm;
Form.ClientWidth := ScaleX(400);
Form.ClientHeight := ScaleY(400);
Form.Caption := ‘Files to delete‘;
Form.Center;

StaticText := TNewStaticText.Create(Form);
StaticText.Left:= ScaleX(20);
StaticText.Top := ScaleY(8);
StaticText.Caption := ‘Some elements could not be removed.‘ + #10#13 +
‘These can be removed manually.‘ + #10#13#13 +
‘Choose which are necessary to delete‘ + #10#13 +
‘or press Cancel button.‘;
StaticText.Font.Color:= clBlue;
StaticText.Font.Style:= [fsBold];
StaticText.AutoSize := True;
StaticText.Parent := Form;

CheckListBox := TNewCheckListBox.Create(Form);
CheckListBox.Left:= ScaleX(20);
CheckListBox.Top:= ScaleY(20);
CheckListBox.Width:= Form.ClientWidth - ScaleX(20*2);
CheckListBox.Height:= Form.ClientHeight - ScaleY(23*2 + 20);
// CheckListBox.Offset:= 0;
CheckListBox.Parent:= Form;

AllButton := TButton.Create(Form);
AllButton.Parent := Form;
AllButton.Width := ScaleX(75);
AllButton.Height := ScaleY(23);
AllButton.Left := ScaleX(20);
AllButton.Top := Form.ClientHeight - ScaleY(23 + 10);
AllButton.Caption := ‘Select All‘;
AllButton.Tag:= 0;
AllButton.OnClick := @ButtonOnClick;

UnAllButton := TButton.Create(Form);
UnAllButton.Parent := Form;
UnAllButton.Width := ScaleX(75);
UnAllButton.Height := ScaleY(23);
UnAllButton.Left := AllButton.Left + AllButton.Width + ScaleX(10);
UnAllButton.Top := Form.ClientHeight - ScaleY(23 + 10);
UnAllButton.Caption := ‘Clear All‘;
UnAllButton.Tag:= 1;
UnAllButton.OnClick := @ButtonOnClick;

CancelButton := TButton.Create(Form);
CancelButton.Parent := Form;
CancelButton.Width := ScaleX(75);
CancelButton.Height := ScaleY(23);
CancelButton.Left := Form.ClientWidth - CancelButton.Width - ScaleX(20);
CancelButton.Top := Form.ClientHeight - ScaleY(23 + 10);
CancelButton.Caption := ‘Cancel‘;
CancelButton.ModalResult := mrCancel;
CancelButton.Cancel := True;

DelButton := TButton.Create(Form);
DelButton.Parent := Form;
DelButton.Width := ScaleX(75);
DelButton.Height := ScaleY(23);
DelButton.Left := CancelButton.Left - DelButton.Width - ScaleX(10);
DelButton.Top := Form.ClientHeight - ScaleY(23 + 10);
DelButton.Caption := ‘Delete‘;
DelButton.ModalResult := mrOk;

Form.ActiveControl:= CancelButton;

CheckListBox.AddCheckBox(ExpandConstant(‘{app}‘), ‘‘, 0, True, True, False, True, TStringList.Create);
TStrings(CheckListBox.ItemObject[0]).Text:= ExpandConstant(‘{app}‘);
CheckDirs:= True;
FillListBox(ExpandConstant(‘{app}‘), ‘*‘, 1);
CheckDirs:= False;
FillListBox(ExpandConstant(‘{app}‘), ‘*‘, 1);

if Form.ShowModal() = mrOk then DeleteFiles();
end;

procedure CurUninstallStepChanged(CurUninstallStep: TUninstallStep);
begin
if DirExists(ExpandConstant(‘{app}‘)) and (CurUninstallStep = usPostUninstall) then
BrowseRemainedFiles();
end;

时间： 2024-08-05 13:23:38

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