1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
|
type
TUninstallState = (
uiUnknown,
UIDone, // There IS no uninstaller, OR it was already executed during this install
UIOtherNeeded, // The uninstaller ('Inno Setup: App Path') points to a different Path than "WizardFolder"
// Uninstall for OTHER folder NEEDED
uiDestNeeded, // Uninstaller for "WizardFolder" found
// Uninstall for DESTINATION folder NEEDED
uiInconsistent // Path of uninstaller and lazarus to be removed, do not match
);
var
UninstallState: TUninstallState;
UninstallDoneState: TUninstallState; // Set only if uninstall was executed
UnInstallerInAppPath: Boolean; // The uninstaller is in the directory that it will remove
OldPath, // Registry 'Inno Setup: App Path'
OldName, // Registry 'DisplayName'
UnInstaller: String; // Registry 'UninstallString'
PathEqual: Boolean;
UninstDir: String; // The directory from which lazarus was uninstalled
CFGFileForUninstDir: TStringList;
CFGPathForUninstDir: String; // the PCP
CFGStateForUninstDir: TCfgFileState;
var
wpAskUnistall: TWizardPage;
wpLabel1, wpLabel2, wpLabel3, wpLabel4: TNewStaticText;
wpCheckBox: TNewCheckBox;
wpButton: TNewButton;
function dbgsUiState(u: TUninstallState): String;
begin
case u of
uiUnknown: Result := 'uiUnknown';
UIDone: Result := 'UIDone';
UIOtherNeeded: Result := 'UIOtherNeeded';
uiDestNeeded: Result := 'uiDestNeeded';
uiInconsistent: Result := 'uiInconsistent';
end;
end;
function DidRunUninstaller: Boolean;
begin
Result := (UninstallDoneState <> uiUnknown);
end;
// check if: unistall was run, and run in AFolder, and did have a lazarus.cfg file
function HasSavedConfigFromUninstall(AFolder: String): Boolean;
begin
Result := DidRunUninstaller and
(UninstDir = AFolder) and
(CFGFileForUninstDir <> nil) and
(CFGFileForUninstDir.Count > 0); // only if content
end;
function GetSavedConfigFromUninstall(AFolder: String): TStringList;
begin
Result := nil;
if HasSavedConfigFromUninstall(AFolder) then
Result := CFGFileForUninstDir;
end;
function GetSavedPCPFromUninstall(AFolder: String): String;
begin
Result := '';
if HasSavedConfigFromUninstall(AFolder) then
Result := CFGPathForUninstDir;
end;
function GetSavedStateFromUninstall(AFolder: String): TCfgFileState;
begin
Result := csNoFile;
if HasSavedConfigFromUninstall(AFolder) then
Result := CFGStateForUninstDir;
end;
function GetUninstallData(ARegName: String): String; // Get one entry from registry e.g. 'UninstallString'
var
Path: String;
begin
Path := ExpandConstant('Software\Microsoft\Windows\CurrentVersion\Uninstall\'+GetAppId('')+'_is1');
Result := '';
if not RegQueryStringValue(HKLM, Path, ARegName, Result) then
RegQueryStringValue(HKCU, Path, ARegName, Result);
end;
procedure InitializeUninstallInfo;
begin
UninstallState := uiUnknown;
UninstallDoneState := uiUnknown;
end;
procedure UpdateUninstallInfo;
begin
Log('Enter UninstallState '+dbgsUiState(UninstallState));
OldPath := '';
OldName := '';
UnInstaller := '';
PathEqual := False;
if UninstallState = uiDone then exit;
UnInstaller := RemoveQuotes(GetUninstallData('UninstallString'));
Log(' UnInstaller: '+UnInstaller);
if (UnInstaller <> '') and FileExists(UnInstaller) then
begin
OldPath := RemoveQuotes((GetUninstallData('Inno Setup: App Path')));
OldName := GetUninstallData('DisplayName');
PathEqual := (OldPath <> '') and
(CompareText(RemoveBackslashUnlessRoot(OldPath), RemoveBackslashUnlessRoot(WizardDirValue)) = 0);
Log(' OldPath: '+OldPath+' OldName: '+ OldName);
if PathEqual then
UninstallState := uiDestNeeded
else
UninstallState := uiOtherNeeded;
UnInstallerInAppPath := (CompareText(RemoveBackslashUnlessRoot(OldPath), RemoveBackslashUnlessRoot(ExtractFilePath(UnInstaller))) = 0);
if (not UnInstallerInAppPath) and
( (CompareText(RemoveBackslashUnlessRoot(OldPath), RemoveBackslashUnlessRoot(WizardDirValue)) = 0) or
(CompareText(RemoveBackslashUnlessRoot(ExtractFilePath(UnInstaller)), RemoveBackslashUnlessRoot(WizardDirValue)) = 0)
)
then
UninstallState := uiInconsistent;
end
else
begin
if (IsSecondaryCheckBoxChecked) or IsSecondaryUpdate then
begin
if ForcePrimaryAppId then begin
Log('UpdateUninstallInfo recursion detected');
UninstallState := uiInconsistent;
exit;
end;
ForcePrimaryAppId := True;
Log('REDO UninstallState '+GetUninstallData('Inno Setup: App Path')+' // '+WizardDirValue);
if CompareText(RemoveBackslashUnlessRoot(RemoveQuotes(GetUninstallData('Inno Setup: App Path'))),
RemoveBackslashUnlessRoot(WizardDirValue)) = 0
then
UpdateUninstallInfo // use the plain installer
else
UninstallState := uiDone;
ForcePrimaryAppId := False;
end
else
UninstallState := uiDone;
end;
Log('UninstallState is now '+dbgsUiState(UninstallState)+', OldPath='+OldPath+' OldName='+OldName+' UnInstaller='+UnInstaller);
end;
// *** Display/Use Wizzard Page
procedure InitAskUninstall(s1, s2, s3, s4: String);
var
y: integer;
begin
wpLabel1.Caption := s1;
wpLabel2.Caption := s2;
wpLabel3.Caption := s3;
wpLabel4.Caption := s4;
wpLabel1.AdjustHeight;
wpLabel2.AdjustHeight;
wpLabel3.AdjustHeight;
wpLabel4.AdjustHeight;
wpLabel2.Top := wpLabel1.Top + wpLabel1.Height + ScaleY(5);
wpLabel3.Top := wpLabel2.Top + wpLabel2.Height + ScaleY(5);
wpLabel4.Top := wpLabel3.Top + wpLabel3.Height + ScaleY(5);
y := wpLabel4.Top + wpLabel4.Height + ScaleY(20);
if y > wpAskUnistall.SurfaceHeight - wpCheckBox.Height - wpButton.Height then
y := wpAskUnistall.SurfaceHeight - wpCheckBox.Height - wpButton.Height;
wpButton.Top := y;
end;
procedure UnInstUpdateGUI;
begin
UpdateUninstallInfo;
Log('UnInstUpdateGUI UninstallState='+dbgsUiState(UninstallState)+
' IsSecondaryUpdate='+dbgsBool(IsSecondaryUpdate)+
' Check='+dbgsBool(IsSecondaryCheckBoxChecked)
);
WizardForm.NextButton.Enabled := (UninstallState = uiDone) or (UninstallState = uiDestNeeded) or wpCheckBox.Checked;
wpCheckBox.Enabled := not(UninstallState = uiDone);
wpButton.Enabled := not(UninstallState = uiDone);
end;
procedure ActivateAskUninst(Sender: TWizardPage);
begin
UnInstUpdateGUI;
end;
function SkipAskUninst(Sender: TWizardPage): Boolean;
begin
Log('SkipAskUninst UninstallState='+dbgsUiState(UninstallState)+
', OldPath='+OldPath+' OldName='+OldName+' UnInstaller='+UnInstaller +
' IsSecondaryUpdate='+dbgsBool(IsSecondaryUpdate)+
' Check='+dbgsBool(IsSecondaryCheckBoxChecked)
);
Result := UninstallState = uiDone;
if Result Then exit;
UnInstUpdateGUI;
//UpdateUninstallInfo;
// OldName, Registry 'DisplayName'
// OldPath, Registry 'Inno Setup: App Path'
// UnInstaller
case UninstallState of
uiDestNeeded: begin
wpLabel2.Font.Color := clDefault;
wpCheckBox.Visible := False;
if IsSecondaryUpdate then
InitAskUninstall(Format(SaveCustomMessage('OldSecondInDestFolder1', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldSecondInDestFolder2', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldSecondInDestFolder3', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldSecondInDestFolder4', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]))
else
InitAskUninstall(Format(SaveCustomMessage('OldInDestFolder1', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldInDestFolder2', ''), {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldInDestFolder3', ''), {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldInDestFolder4', ''), {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]));
end;
UIOtherNeeded: begin
wpLabel2.Font.Color := clRed;
wpLabel2.Font.Color := clRed;
wpCheckBox.Visible := True;
//if IsSecondaryUpdate then
// InitAskUninstall(Format(SaveCustomMessage('InOtherFolder1', ''),
// {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
// Format(SaveCustomMessage('OldSecondInOtherFolder2', ''),
// {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
// Format(SaveCustomMessage('OldSecondInOtherFolder3', ''),
// {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
// Format(SaveCustomMessage('OldSecondInOtherFolder4', ''),
// {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]));
//else
InitAskUninstall(Format(SaveCustomMessage('OldInOtherFolder1', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldInOtherFolder2', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldInOtherFolder3', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldInOtherFolder4', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]));
//end;
end;
uiInconsistent: begin
wpLabel1.Font.Color := clRed;
wpLabel2.Font.Color := clRed;
wpCheckBox.Visible := True;
//if IsSecondaryUpdate then
// InitAskUninstall(Format(SaveCustomMessage('OldSecondInBadFolder1', ''),
// {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
// Format(SaveCustomMessage('OldSecondInBadFolder2', ''),
// {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
// Format(SaveCustomMessage('OldSecondInBadFolder3', ''),
// {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
// Format(SaveCustomMessage('OldSecondInBadFolder4', ''),
// {}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]));
//else
InitAskUninstall(Format(SaveCustomMessage('OldInBadFolder1', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldInBadFolder2', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldInBadFolder3', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]),
Format(SaveCustomMessage('OldInBadFolder4', ''),
{}[#13#10, OldName, OldPath, UnInstaller, SecondPCP]));
//end;
end;
end;
end;
procedure UnInstBtnClick(Sender: TObject);
var
s, UnInstaller: String;
b, FolderEmpty : Boolean;
i: integer;
begin
UninstallDoneState := UninstallState;
UninstallState := uiDone;
UnInstaller := RemoveQuotes(GetUninstallData('UninstallString'));
b := (UnInstaller <> '') and FileExists(UnInstaller);
if b then begin
if PathEqual then begin
LoadCFGFile(OldPath, CFGFileForUninstDir);
CFGStateForUninstDir := ParseCFGList(CFGFileForUninstDir, CFGPathForUninstDir);
UninstDir := OldPath;
end;
if UninstallState = uiInconsistent then
b := Exec(UnInstaller, '/VERBOSE /NORESTART','', SW_SHOW, ewWaitUntilTerminated, i)
else
b := Exec(UnInstaller, '/SILENT /NORESTART','', SW_SHOW, ewWaitUntilTerminated, i);
end;
if not b then
MsgBox('Uninstall failed.', mbConfirmation, MB_OK)
else begin
if (UninstallDoneState = uiDestNeeded) then
begin
FolderEmpty := IsDirEmpty(WizardDirValue);
if not FolderEmpty then begin Sleep(500); FolderEmpty := IsDirEmpty(WizardDirValue); end;
if not FolderEmpty then begin Sleep(500); FolderEmpty := IsDirEmpty(WizardDirValue); end;
if not FolderEmpty then begin Sleep(500); FolderEmpty := IsDirEmpty(WizardDirValue); end;
if not(FolderEmpty) then begin
// Dir NOT empty, after uninstall
try
s := CustomMessage('FolderNotEmpty2');
except
s := 'The target folder is not empty.';
end;
MsgBox(s, mbConfirmation, MB_OK);
end;
end;
end;
UnInstUpdateGUI;
end;
procedure UnInstCheckboxClick(Sender: TObject);
begin
UnInstUpdateGUI;
end;
// *** Create Wizzard Page
procedure CreateUninstallWizardPage;
var
s, s2 : String;
begin
try
s := CustomMessage('AskUninstallTitle1');
s2 := CustomMessage('AskUninstallTitle2');
except
s := 'Previous Installation';
s2 := 'Do you want to run the uninstaller?';
end;
wpAskUnistall := CreateCustomPage(wpSelectDir, s, s2);
wpAskUnistall.OnShouldSkipPage := @SkipAskUninst;
wpAskUnistall.OnActivate := @ActivateAskUninst;
wpLabel1 := TNewStaticText.Create(wpAskUnistall);
wpLabel1.Parent := wpAskUnistall.Surface;
wpLabel1.Top := 0;
wpLabel1.Left := 0;
wpLabel1.Width := wpAskUnistall.SurfaceWidth;
wpLabel1.Autosize:= False;
wpLabel1.WordWrap := True;
wpLabel1.Caption := '';
wpLabel2 := TNewStaticText.Create(wpAskUnistall);
wpLabel2.Parent := wpAskUnistall.Surface;
wpLabel2.Left := 0;
wpLabel2.Width := wpAskUnistall.SurfaceWidth;
wpLabel2.Autosize:= False;
wpLabel2.WordWrap := True;
wpLabel2.Caption := '';
wpLabel3 := TNewStaticText.Create(wpAskUnistall);
wpLabel3.Parent := wpAskUnistall.Surface;
wpLabel3.Left := 0;
wpLabel3.Width := wpAskUnistall.SurfaceWidth;
wpLabel3.Autosize:= False;
wpLabel3.WordWrap := True;
wpLabel3.Caption := '';
wpLabel4 := TNewStaticText.Create(wpAskUnistall);
wpLabel4.Parent := wpAskUnistall.Surface;
wpLabel4.Left := 0;
wpLabel4.Width := wpAskUnistall.SurfaceWidth;
wpLabel4.Autosize:= False;
wpLabel4.WordWrap := True;
wpLabel4.Caption := '';
try
s := CustomMessage('BtnUninstall');
except
s := 'Uninstall';
end;
wpButton := TNewButton.Create(wpAskUnistall);
wpButton.Parent := wpAskUnistall.Surface;
wpButton.Width := ScaleX(80);
wpButton.Left := (wpAskUnistall.SurfaceWidth div 2) - ScaleX(40);
wpButton.Caption := s;
wpButton.OnClick := @UnInstBtnClick;
try
s := CustomMessage('ChkContinue');
except
s := 'Continue without uninstall';
end;
wpCheckBox := TNewCheckBox.Create(wpAskUnistall);
wpCheckBox.Parent := wpAskUnistall.Surface;
wpCheckBox.Top := wpAskUnistall.SurfaceHeight - wpCheckBox.Height - 1;
wpCheckBox.Width := wpAskUnistall.SurfaceWidth;
wpCheckBox.Caption := s;
wpCheckBox.OnClick := @UnInstCheckboxClick;
end;
|
