-
-
Notifications
You must be signed in to change notification settings - Fork 324
/
SynTaskDialog.pas
1218 lines (1134 loc) · 41.4 KB
/
SynTaskDialog.pas
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
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/// implement TaskDialog window (native on Vista/Seven, emulated on XP)
// - this unit is a part of the freeware Synopse mORMot framework,
// licensed under a MPL/GPL/LGPL tri-license; version 1.18
unit SynTaskDialog;
{
This file is part of Synopse framework.
Synopse framework. Copyright (c) Arnaud Bouchez
Synopse Informatique - https://synopse.info
*** BEGIN LICENSE BLOCK *****
Version: MPL 1.1/GPL 2.0/LGPL 2.1
The contents of this file are subject to the Mozilla Public License Version
1.1 (the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
for the specific language governing rights and limitations under the License.
The Original Code is Synopse framework.
The Initial Developer of the Original Code is Arnaud Bouchez.
Portions created by the Initial Developer are Copyright (c)
the Initial Developer. All Rights Reserved.
Contributor(s):
- Ulrich Gerhardt
Alternatively, the contents of this file may be used under the terms of
either the GNU General Public License Version 2 or later (the "GPL"), or
the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
in which case the provisions of the GPL or the LGPL are applicable instead
of those above. If you wish to allow use of your version of this file only
under the terms of either the GPL or the LGPL, and not to allow others to
use your version of this file under the terms of the MPL, indicate your
decision by deleting the provisions above and replace them with the notice
and other provisions required by the GPL or the LGPL. If you do not delete
the provisions above, a recipient may use your version of this file under
the terms of any one of the MPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****
}
interface
{$I Synopse.inc}
{$IFNDEF DELPHI5OROLDER} // Delphi 6 or newer
{$ifndef VER140} // Delphi 6
{$define WITHUXTHEME} // Themes unit exists till Delphi 7
{$endif}
{$ifndef ISDELPHI2007ANDUP}
{$define FIXVCLALTKEY} // fix QC 37403 for Delphi 6/7/2006
{$endif}
{$ENDIF}
uses
Windows,
CommCtrl,
Classes,
SysUtils,
Messages,
{$ifndef FPC}
Consts,
{$endif}
Menus,
{$ifdef USETMSPACK}
AdvGlowButton,
AdvMenus,
TaskDialog,
TaskDialogEx,
{$endif}
{$ifdef WITHUXTHEME}
Themes,
{$endif}
Graphics,
Forms,
Controls,
StdCtrls,
ExtCtrls,
Buttons;
var
/// will map a generic OK picture from SynTaskDialog.res
BitmapOK: TBitmap;
/// will map a generic Arrow picture from SynTaskDialog.res
BitmapArrow: TBitmap;
/// will map a default font, according to the available
// - if Calibri is installed, will use it
// - will fall back to Tahoma otherwise
DefaultFont: TFont;
{$ifndef USETMSPACK}
/// is filled once in the initialization block below
// - you can set this reference to nil to force Delphi dialogs even
// on Vista/Seven (e.g. make sense if TaskDialogBiggerButtons=true)
TaskDialogIndirect: function(AConfig: pointer; Res: PInteger;
ResRadio: PInteger; VerifyFlag: PBOOL): HRESULT; stdcall;
const
/// match the 1st custom button ID
mrBtn1 = 100;
/// match the 2nd custom button ID
mrBtn2 = 101;
/// match the 3rd custom button ID
mrBtn3 = 102;
/// match the 4th custom button ID
mrBtn4 = 103;
/// match the 5th custom button ID
mrBtn5 = 104;
/// match the 6th custom button ID
mrBtn6 = 105;
/// match the 7th custom button ID
mrBtn7 = 106;
/// match the 8th custom button ID
mrBtn8 = 107;
/// match the 9th custom button ID
mrBtn9 = 108;
/// match the 1st custom radio ID
mrRad1 = 200;
/// match the 2nd custom radio ID
mrRad2 = 201;
/// match the 3rd custom radio ID
mrRad3 = 202;
/// match the 4th custom radio ID
mrRad4 = 203;
/// match the 5th custom radio ID
mrRad5 = 204;
/// match the 6th custom radio ID
mrRad6 = 205;
/// match the 7th custom radio ID
mrRad7 = 206;
/// match the 8th custom radio ID
mrRad8 = 207;
/// match the 9th custom radio ID
mrRad9 = 208;
type
/// the standard kind of common buttons handled by the Task Dialog
TCommonButton = (
cbOK, cbYes, cbNo, cbCancel, cbRetry, cbClose);
/// set of standard kind of common buttons handled by the Task Dialog
TCommonButtons = set of TCommonButton;
/// the available main icons for the Task Dialog
TTaskDialogIcon = (
tiBlank, tiWarning, tiQuestion, tiError, tiInformation, tiNotUsed, tiShield);
/// the available footer icons for the Task Dialog
TTaskDialogFooterIcon = (
tfiBlank, tfiWarning, tfiQuestion, tfiError, tfiInformation, tfiShield);
/// the available configuration flags for the Task Dialog
// - most are standard TDF_* flags used for Vista/Seven native API
// (see http://msdn.microsoft.com/en-us/library/bb787473(v=vs.85).aspx
// for TASKDIALOG_FLAGS)
// - tdfQuery and tdfQueryMasked are custom flags, implemented in pure Delphi
// code to handle input query
// - our emulation code will handle only tdfUseCommandLinks,
// tdfUseCommandLinksNoIcon, and tdfQuery options
TTaskDialogFlag = (
tdfEnableHyperLinks, tdfUseHIconMain, tdfUseHIconFooter,
tdfAllowDialogCancellation, tdfUseCommandLinks, tdfUseCommandLinksNoIcon,
tdfExpandFooterArea, tdfExpandByDefault, tdfVerificationFlagChecked,
tdfShowProgressBar, tdfShowMarqueeProgressBar, tdfCallbackTimer,
tdfPositionRelativeToWindow, tdfRtlLayout, tdfNoDefaultRadioButton,
tdfCanBeMinimized, tdfQuery, tdfQueryMasked, tdfQueryFieldFocused);
/// set of available configuration flags for the Task Dialog
TTaskDialogFlags = set of TTaskDialogFlag;
PTaskDialog = ^TTaskDialog;
/// this callback will be triggerred when a task dialog button is clicked
// - to prevent the task dialog from closing, the application must set
// ACanClose to FALSE, otherwise the task dialog is closed and the button
// ID is returned via the original TTaskDialog.Execute() result
TTaskDialogButtonClickedEvent = procedure(Sender: PTaskDialog;
AButtonID: integer; var ACanClose: Boolean) of object;
/// the visual components of this Task Dialog
// - map low-level TDE_CONTENT...TDE_MAIN_INSTRUCTION constants and
// the query editor and checkbox
// - tdeEdit is for the query editor
// - tdeVerif is for the checkbox
TTaskDialogElement = (
tdeContent, tdeExpandedInfo, tdeFooter, tdeMainInstruction,
tdeEdit, tdeVerif);
/// the actual form class used for emulation
TEmulatedTaskDialog = class(TForm)
protected
procedure HandleEmulatedButtonClicked(Sender: TObject);
public
/// the Task Dialog structure which created the form
Owner: PTaskDialog;
/// the labels corresponding to the Task Dialog main elements
Element: array[tdeContent..tdeMainInstruction] of TLabel;
/// the Task Dialog selection list
Combo: TComboBox;
/// the Task Dialog optional query editor
Edit: TEdit;
/// the Task Dialog optional checkbox
Verif: TCheckBox;
end;
/// structure for low-level access to the task dialog implementation
// - points either to the HWND handle of the new TaskDialog API
// or to the emulation dialog
TTaskDialogImplementation = record
OnButtonClicked: TTaskDialogButtonClickedEvent;
case Emulated: Boolean of
False: (Wnd: HWND);
True: (Form: TEmulatedTaskDialog);
end;
/// implements a TaskDialog
// - will use the new TaskDialog API under Vista/Seven, and emulate it with
// pure Delphi code and standard themed VCL components under XP or 2K
// - create a TTaskDialog object/record on the stack will initialize all
// its string parameters to '' (it's a SHAME that since Delphi 2009, objects
// are not initialized any more: we have to define this type as object before
// Delphi 2009, and as record starting with Delphi 2009)
// - set the appropriate string parameters, then call Execute() with all
// additional parameters
// - RadioRes/SelectionRes/VerifyChecked will be used to reflect the state
// after dialog execution
// - here is a typical usage:
// !var Task: TTaskDialog;
// !begin
// ! Task.Inst := 'Saving application settings';
// ! Task.Content := 'This is the content';
// ! Task.Radios := 'Store settings in registry'#10'Store settings in XML file';
// ! Task.Verify := 'Do no ask for this setting next time';
// ! Task.VerifyChecked := true;
// ! Task.Footer := 'XML file is perhaps a better choice';
// ! Task.Execute([],0,[],tiQuestion,tfiInformation,mrRad1);
// ! ShowMessage(IntToStr(Task.RadioRes)); // mrRad1=Registry, mrRad2=XML
// ! if Task.VerifyChecked then
// ! ShowMessage(Task.Verify);
// !end;
{$ifdef UNICODE}
TTaskDialog = record
{$else}
TTaskDialog = object
{$endif}
/// the main title of the dialog window
// - if left void, the title of the application main form is used
Title: string;
/// the main instruction (first line on top of window)
// - any '\n' will be converted into a line feed
// - if left void, the text is taken from the current dialog icon kind
Inst: string;
/// the dialog's primary content content text
// - any '\n' will be converted into a line feed
Content: string;
/// a #13#10 or #10 separated list of custom buttons
// - they will be identified with an ID number starting at 100 (so you
// may use mrBtn1, mrBtn2, mrBtn3... mrBtn9 constants)
// - by default, the buttons will be created at the dialog bottom, just
// like the common buttons
// - if tdfUseCommandLinks flag is set, the custom buttons will be created
// as big button in the middle of the dialog window; in this case, any
// '\n' will be converted as note text (shown with smaller text under native
// Vista/Seven TaskDialog, or as popup hint within Delphi emulation)
// - see the AddButton() wrapper method for an easy access
Buttons: string;
/// a #13#10 or #10 separated list of custom radio buttons
// - they will be identified with an ID number starting at 200 (so you
// may use mrRad1, mrRad2, mrRad3... mrRad9 constants)
// - aRadioDef parameter can be set to define the default selected value
// - '\n' will be converted as note text (shown with smaller text under
// native Vista/Seven TaskDialog, or as popup hint within Delphi emulation)
Radios: string;
/// the expanded information content text
// - any '\n' will be converted into a line feed
// - the Delphi emulation will always show the Info content (there is no
// collapse/expand button)
Info: string;
/// the button caption to be displayed when the information is collapsed
// - not used under XP: the Delphi emulation will always show the Info content
InfoExpanded: string;
/// the button caption to be displayed when the information is expanded
// - not used under XP: the Delphi emulation will always show the Info content
InfoCollapse: string;
/// the footer content text
// - any '\n' will be converted into a line feed
Footer: string;
/// the text of the bottom most optional checkbox
Verify: string;
/// a #13#10 or #10 separated list of items to be selected
// - if set, a Combo Box will be displayed to select
// - if tdfQuery is in the flags, the combo box will be in edition mode,
// and the user will be able to edit the Query text or fill the field
// with one item of the selection
// - this selection is not handled via the Vista/Seven TaskDialog, but
// with our Delphi emulation code (via a TComboBox)
Selection: string;
/// some text to be edited
// - if tdfQuery is in the flags, will contain the default query text
// - if Selection is set, the
Query: string;
/// the selected radio item
// - first is numeroted 0
RadioRes: integer;
/// after execution, contains the selected item from the Selection list
SelectionRes: integer;
/// reflect the the bottom most optional checkbox state
// - if Verify is not '', should be set before execution
// - after execution, will contain the final checkbox state
VerifyChecked: BOOL;
/// low-level access to the task dialog implementation
Dialog: TTaskDialogImplementation;
/// launch the TaskDialog form
// - some common buttons can be set via aCommonButtons
// - in emulation mode, aFlags will handle only tdfUseCommandLinks,
// tdfUseCommandLinksNoIcon, and tdfQuery options
// - will return 0 on error, or the Button ID (e.g. mrOk for the OK button
// or mrBtn1/100 for the first custom button defined in Buttons string)
// - if Buttons was defined, aButtonDef can set the selected Button ID
// - if Radios was defined, aRadioDef can set the selected Radio ID
// - aDialogIcon and aFooterIcon are used to specify the displayed icons
// - aWidth can be used to force a custom form width (in pixels)
// - aParent can be set to any HWND - by default, Application.DialogHandle
// - if aNonNative is TRUE, the Delphi emulation code will always be used
// - aEmulateClassicStyle can be set to enforce conformity with the non themed
// user interface - see @https://synopse.info/forum/viewtopic.php?pid=2867#p2867
// - aOnButtonClicked can be set to a callback triggerred when a button is
// clicked
function Execute(aCommonButtons: TCommonButtons=[];
aButtonDef: integer=0; aFlags: TTaskDialogFlags=[];
aDialogIcon: TTaskDialogIcon=tiInformation;
aFooterIcon: TTaskDialogFooterIcon=tfiWarning;
aRadioDef: integer=0; aWidth: integer=0; aParent: HWND=0;
aNonNative: boolean=false; aEmulateClassicStyle: boolean = false;
aOnButtonClicked: TTaskDialogButtonClickedEvent=nil): integer;
/// allow a OnButtonClicked callback to change the Task Dialog main elements
// - note that tdeVerif could be modified only in emulation mode, since
// the API does not give any runtime access to the checkbox caption
// - other elements will work in both emulated and native modes
procedure SetElementText(element: TTaskDialogElement; const Text: string);
/// wrapper method able to add a custom button to the Task Dialog
// - will add the expected content to the Buttons text field
procedure AddButton(const ACaption: string; const ACommandLinkHint: string = '');
end;
/// a wrapper around the TTaskDialog.Execute method
// - used to provide a "flat" access to task dialog parameters
{$ifdef UNICODE}
TTaskDialogEx = record
{$else}
TTaskDialogEx = object
{$endif}
/// the associated main TTaskDialog instance
Base: TTaskDialog;
/// some common buttons to be displayed
CommonButtons: TCommonButtons;
/// the default button ID
ButtonDef: integer;
/// the associated configuration flags for this Task Dialog
// - in emulation mode, aFlags will handle only tdfUseCommandLinks,
// tdfUseCommandLinksNoIcon, and tdfQuery options
Flags: TTaskDialogFlags;
/// used to specify the dialog icon
DialogIcon: TTaskDialogIcon;
/// used to specify the footer icon
FooterIcon: TTaskDialogFooterIcon;
/// the default radio button ID
RadioDef: integer;
/// can be used to force a custom form width (in pixels)
Width: integer;
/// if TRUE, the Delphi emulation code will always be used
NonNative: boolean;
/// can be used to enforce conformity with the non themed user interface
EmulateClassicStyle: boolean;
/// this event handler will be fired on a button dialog click
OnButtonClicked: TTaskDialogButtonClickedEvent;
/// will initialize the dialog parameters
// - can be used to display some information with less parameters:
// !var TaskEx: TTaskDialogEx;
// ! ...
// ! TaskEx.Init;
// ! TaskEx.Base.Title := 'Task Dialog Test';
// ! TaskEx.Base.Inst := 'Callback Test';
// ! TaskEx.Execute;
procedure Init;
/// main (and unique) method showing the dialog itself
// - is in fact a wrapper around the TTaskDialog.Execute method
function Execute(aParent: HWND=0): integer;
end;
{$endif USETMSPACK}
type
{$ifdef USETMSPACK}
/// a TMS PopupMenu
TSynPopupMenu = TAdvPopupMenu;
TSynButtonParent = TAdvGlowButton;
TSynTaskDialogButton = TAdvGlowButton;
{$else}
/// a generic VCL popup menu
TSynPopupMenu = TPopupMenu;
TSynButtonParent = {$ifdef WITHUXTHEME}TBitBtn{$else}TButton{$endif};
TSynTaskDialogButton = TButton;
{$endif USETMSPACK}
/// a generic Button to be used in the User Interface
// - is always a Themed button: under Delphi 6, since TBitBtn is not themed,
// it will be a row TButton with no glyph... never mind...
TSynButton = class(TSynButtonParent)
protected
{$ifndef USETMSPACK}
fDropDownMenu: TSynPopupMenu;
{$endif}
public
/// create a standard button instance
// - ModalResult/Default/Cancel properties will be set as exepcted for this
// kind of button
constructor CreateKind(Owner: TWinControl; Btn: TCommonButton;
Left, Right, Width, Height: integer);
/// set the glyph of the button
// - set nothing under Delphi 6
procedure SetBitmap(Bmp: TBitmap);
{$ifndef USETMSPACK}
/// drop down the associated Popup Menu
procedure DoDropDown;
/// the associated Popup Menu to drop down
property DropDownMenu: TSynPopupMenu read fDropDownMenu write fDropDownMenu;
{$endif}
end;
/// return the text without the '&' characters within
function UnAmp(const s: string): string;
{$ifndef USETMSPACK}
var
{
/// if set to TRUE, buttons will be bigger than default
// - can be useful e.g. for touch screens
// - will work only for the Delphi emulated version (aNonNative=true) of
// TSynTask - could be combined with @TaskDialogIndirect := nil;
TaskDialogBiggerButtons: boolean = false;
}
/// a default Task Dialog wrapper instance
// - can be used to display some information with less parameters, just
// like the TTaskDialogEx.Init method:
// !var TaskEx: TTaskDialogEx;
// ! ...
// ! TaskEx := DefaultTaskDialog;
// ! TaskEx.Base.Title := 'Task Dialog Test';
// ! TaskEx.Base.Inst := 'Callback Test';
// ! TaskEx.Execute;
DefaultTaskDialog: TTaskDialogEx = (
DialogIcon: tiInformation;
FooterIcon: tfiWarning);
{$endif}
implementation
{$R SynTaskDialog.res}
const
TD_BTNMOD: array[TCommonButton] of Integer = (
mrOk, mrYes, mrNo, mrCancel, mrRetry, mrAbort);
function TD_BTNS(button: TCommonButton): pointer;
begin
case button of
cbOK: result := @SMsgDlgOK;
cbYes: result := @SMsgDlgYes;
cbNo: result := @SMsgDlgNo;
cbCancel: result := @SMsgDlgCancel;
cbRetry: result := @SMsgDlgRetry;
cbClose: result := @SCloseButton;
else result := nil;
end;
end;
{ TSynButton }
constructor TSynButton.CreateKind(Owner: TWinControl; Btn: TCommonButton;
Left, Right, Width, Height: integer);
begin
Create(Owner);
Parent := Owner;
SetBounds(Left,Right,Width,Height);
Caption := LoadResString(TD_BTNS(Btn));
ModalResult := TD_BTNMOD[Btn];
case Btn of
cbOK: Default := true;
cbCancel: Cancel := true;
end;
case Btn of
cbOK: SetBitmap(BitmapOK);
end;
end;
{$ifndef USETMSPACK}
procedure TSynButton.DoDropDown;
begin
if DropDownMenu<>nil then
with ClientToScreen(BoundsRect.TopLeft) do
DropDownMenu.Popup(X,Y+Height);
end;
{$endif}
procedure TSynButton.SetBitmap(Bmp: TBitmap);
begin
if Bmp<>nil then
{$ifdef USETMSPACK}
Picture.Assign(Bmp);
{$else}
{$ifdef WITHUXTHEME}
Glyph := Bmp;
{$else}
// Delphi 6 TBitBtn has no theming -> use generic TButton without glyph
{$endif}
{$endif}
end;
function UnAmp(const s: string): string;
begin
result := StripHotkey(s);
end;
{$ifndef USETMSPACK}
const
TD_ICONS: array[TTaskDialogIcon] of integer = (
17, 84, 99, 98, 81, 0, 78);
TD_FOOTERICONS: array[TTaskDialogFooterIcon] of integer = (
17, 84, 99, 98, 65533, 65532);
WIN_ICONS: array[TTaskDialogIcon] of PChar = (
nil, IDI_WARNING, IDI_QUESTION, IDI_ERROR, IDI_INFORMATION, nil, IDI_WINLOGO);
WIN_FOOTERICONS: array[TTaskDialogFooterIcon] of PChar = (
nil, IDI_WARNING, IDI_QUESTION, IDI_ERROR, IDI_INFORMATION, IDI_WINLOGO);
function IconMessage(Icon: TTaskDialogIcon): string;
begin
case Icon of
tiWarning: result := SMsgDlgWarning;
tiQuestion: result := SMsgDlgConfirm;
tiError: result := SMsgDlgError;
tiInformation, tiShield: result := SMsgDlgInformation;
else result := '';
end;
end;
{$ifdef FIXVCLALTKEY}
var
WndProcHook: HHOOK = 0;
function HookedWndProcFunc(nCode: Integer; wParam: WPARAM; lParam: LPARAM): LRESULT; stdcall;
begin
if nCode=HC_ACTION then
if PCWPSTRUCT(lParam).message=WM_UPDATEUISTATE then
InvalidateRect(PCWPSTRUCT(lParam).hwnd,nil,false);
result := CallNextHookEx(WndProcHook,nCode,wParam,lParam);
end;
{$endif}
procedure InitComCtl6;
var OSVersionInfo: TOSVersionInfo;
begin
OSVersionInfo.dwOSVersionInfoSize := sizeof(OSVersionInfo);
GetVersionEx(OSVersionInfo);
if OSVersionInfo.dwMajorVersion<6 then
@TaskDialogIndirect := nil else begin
@TaskDialogIndirect := GetProcAddress(GetModuleHandle(comctl32),'TaskDialogIndirect');
{$ifdef FIXVCLALTKEY}
{$WARN SYMBOL_PLATFORM OFF}
if (DebugHook=0) {$ifdef WITHUXTHEME}and ThemeServices.ThemesEnabled{$endif} then
WndProcHook := SetWindowsHookEx(WH_CALLWNDPROC,HookedWndProcFunc,0,GetCurrentThreadID);
{$WARN SYMBOL_PLATFORM ON}
{$endif}
end;
end;
type
/// internal type used for Unicode string storage
WS = {$ifdef UNICODE}string{$else}WideString{$endif};
function CR(const aText: string): string;
begin
if pos('\n', aText) = 0 then
result := aText else
result := StringReplace(aText, '\n', #10, [rfReplaceAll]);
end;
{ TTaskDialog }
type
// see http://msdn.microsoft.com/en-us/library/bb787473
PTASKDIALOG_BUTTON = ^TTASKDIALOG_BUTTON;
TTASKDIALOG_BUTTON = packed record
nButtonID: integer;
pszButtonText: PWideChar;
end;
TTASKDIALOGCONFIG = packed record
cbSize: integer;
hwndParent: HWND;
hInstance: THandle;
dwFlags: cardinal;
dwCommonButtons: cardinal;
pszWindowTitle: PWideChar;
hMainIcon: HICON;
pszMainInstruction: PWideChar;
pszContent: PWideChar;
cButtons: integer;
pButtons: PTASKDIALOG_BUTTON;
nDefaultButton: integer;
cRadioButtons: integer;
pRadioButtons: PTASKDIALOG_BUTTON;
nDefaultRadioButton: integer;
pszVerificationText: PWideChar;
pszExpandedInformation: PWideChar;
pszExpandedControlText: PWideChar;
pszCollapsedControlText: PWideChar;
hFooterIcon: HICON;
pszFooter: PWideChar;
pfCallback: pointer;
lpCallbackData: pointer;
cxWidth: integer;
end;
const
TDN_BUTTON_CLICKED = 2; // wParam = Button ID
function TaskDialogCallbackProc(hwnd: HWND; uNotification: UINT;
wParam: WPARAM; lParam: LPARAM; dwRefData: pointer): HRESULT; stdcall;
var ptd: PTaskDialog absolute dwRefData;
CanClose: Boolean;
begin
ptd^.Dialog.Wnd := hwnd;
Result := S_OK;
case uNotification of
TDN_BUTTON_CLICKED:
if Assigned(ptd^.Dialog.OnButtonClicked) then begin
CanClose := True;
ptd^.Dialog.OnButtonClicked(ptd,wParam,CanClose);
if not CanClose then
Result := S_FALSE;
end;
end;
end;
function TTaskDialog.Execute(aCommonButtons: TCommonButtons;
aButtonDef: integer; aFlags: TTaskDialogFlags;
aDialogIcon: TTaskDialogIcon; aFooterIcon: TTaskDialogFooterIcon;
aRadioDef, aWidth: integer; aParent: HWND; aNonNative: boolean;
aEmulateClassicStyle: boolean; aOnButtonClicked: TTaskDialogButtonClickedEvent): integer;
function GetNextStringLineToWS(var P: PChar): WS;
var S: PChar;
{$ifndef UNICODE}tmp: string;{$endif}
begin
if P=nil then
result := '' else begin
S := P;
while S[0]>=' ' do
inc(S);
{$ifdef UNICODE}
SetString(result,P,S-P);
result := CR(result);
{$else}
SetString(tmp,P,S-P);
result := WideString(CR(tmp));
{$endif}
while (S^<>#0) and (S^<' ') do inc(S); // ignore e.g. #13 or #10
if S^<>#0 then
P := S else
P := nil;
end;
end;
var aHint: string;
function NoCR(const aText: string): string;
var i: integer;
begin
result := aText;
aHint := '';
i := pos('\n',result);
if i>0 then begin
aHint := CR(copy(result,i+2,maxInt));
SetLength(result,i-1);
end;
end;
function N(const aText: string): WS;
begin
if aText='' then
result := '' else
result := WS(CR(aText));
end;
var RU: array of Ws;
RUCount: integer;
But: array of TTASKDIALOG_BUTTON;
procedure AddRU(Text: string; var n: integer; firstID: integer);
var P: PChar;
begin
if Text='' then
exit;
Text := SysUtils.trim(Text);
P := @Text[1]; // '\n' handling in GetNextStringLineToWS(P) will change P^
while P<>nil do begin
if length(RU)<=RUCount then begin
SetLength(RU,RUCount+16);
SetLength(But,RUCount+16);
end;
RU[RUCount] := GetNextStringLineToWS(P);
with But[RUCount] do begin
nButtonID := n+firstID;
pszButtonText := pointer(RU[RUCount]);
end;
inc(n);
inc(RUCount);
end;
end;
var Config: TTASKDIALOGCONFIG;
i, X, Y, XB, IconBorder, FontHeight: integer;
Par: TWinControl;
Panel: TPanel;
CurrTabOrder: TTabOrder;
Image: TImage;
Pic: TIcon;
Bmp: TBitmap;
List: TStrings;
B: TCommonButton;
CommandLink: TSynButton;
Rad: array of TRadioButton;
function AddLabel(Text: string; BigFont: boolean): TLabel;
var R: TRect;
W: integer;
begin
result := TLabel.Create(Dialog.Form);
result.Parent := Par;
result.WordWrap := true;
if BigFont then begin
if aEmulateClassicStyle then begin
result.Font.Height := FontHeight-2;
result.Font.Style := [fsBold]
end else begin
result.Font.Height := FontHeight-4;
result.Font.Color := $B00000;
end;
end else
result.Font.Height := FontHeight;
Text := CR(Text);
result.AutoSize := false;
R.Left := 0;
R.Top := 0;
W := aWidth-X-8;
R.Right := W;
R.Bottom := result.Height;
R.Bottom := DrawText(result.Canvas.Handle,pointer(Text),-1,R,DT_CALCRECT or DT_WORDBREAK);
result.SetBounds(X,Y,W,R.Bottom);
result.Caption := Text;
inc(Y,R.Bottom+16);
end;
procedure AddBevel;
var BX: integer;
begin
with TBevel.Create(Dialog.Form) do begin
Parent := Par;
if (Image<>nil) and (Y<Image.Top+Image.Height) then
BX := X else
BX := 2;
SetBounds(BX,Y,aWidth-BX-2,2);
end;
inc(Y,16);
end;
function AddBtn(const s: string; ModalResult: integer): TSynTaskDialogButton;
var WB: integer;
begin
WB := Dialog.Form.Canvas.TextWidth(s)+52;
dec(XB,WB);
if XB<X shr 1 then begin
XB := aWidth-WB;
inc(Y,32);
end;
result := TSynTaskDialogButton.Create(Dialog.Form);
result.Parent := Par;
if aEmulateClassicStyle then
result.SetBounds(XB,Y,WB-10,22) else
result.SetBounds(XB,Y,WB-12,28);
result.Caption := s;
result.ModalResult := ModalResult;
result.TabOrder := CurrTabOrder;
result.OnClick := Dialog.Form.HandleEmulatedButtonClicked;
case ModalResult of
mrOk: begin
result.Default := true;
if aCommonButtons=[cbOk] then
result.Cancel := true;
end;
mrCancel: result.Cancel := true;
end;
if ModalResult=aButtonDef then
Dialog.Form.ActiveControl := result;
end;
begin
if (byte(aCommonButtons)=0) and (Buttons='') then begin
aCommonButtons := [cbOk];
if aButtonDef=0 then
aButtonDef := mrOk;
end;
if Title='' then
if Application.MainForm=nil then
Title := Application.Title else
Title := Application.MainForm.Caption;
if Inst='' then
Inst := IconMessage(aDialogIcon);
if aParent=0 then
if Screen.ActiveCustomForm<>nil then
aParent := Screen.ActiveCustomForm.Handle else
aParent := Application.Handle;
Dialog.OnButtonClicked := aOnButtonClicked;
if Assigned(TaskDialogIndirect) and not aNonNative and
not (tdfQuery in aFlags) and (Selection='') then begin
Dialog.Emulated := False;
// use Vista/Seven TaskDialog implementation (not tdfQuery nor Selection)
FillChar(Config,sizeof(Config),0);
Config.cbSize := sizeof(Config);
Config.hwndParent := aParent;
Config.pszWindowTitle := pointer(N(Title));
Config.pszMainInstruction := pointer(N(Inst));
Config.pszContent := pointer(N(Content));
RUCount := 0;
AddRU(Buttons,Config.cButtons,mrBtn1);
AddRU(Radios,Config.cRadioButtons,mrRad1);
if Config.cButtons>0 then
Config.pButtons := @But[0];
if Config.cRadioButtons>0 then
Config.pRadioButtons := @But[Config.cButtons];
Config.pszVerificationText := pointer(N(Verify));
Config.pszExpandedInformation := pointer(N(Info));
Config.pszExpandedControlText := pointer(N(InfoExpanded));
Config.pszCollapsedControlText := pointer(N(InfoCollapse));
Config.pszFooter := pointer(N(Footer));
Config.dwCommonButtons := byte(aCommonButtons);
if (Verify<>'') and VerifyChecked then
include(aFlags,tdfVerificationFlagChecked);
if (Config.cButtons=0) and (aCommonButtons=[cbOk]) then
Include(aFlags,tdfAllowDialogCancellation); // just OK -> Esc/Alt+F4 close
Config.dwFlags := integer(aFlags);
Config.hMainIcon := TD_ICONS[aDialogIcon];
Config.hFooterIcon := TD_FOOTERICONS[aFooterIcon];
Config.nDefaultButton := aButtonDef;
Config.nDefaultRadioButton := aRadioDef;
Config.cxWidth := round(aWidth / (LOWORD(GetDialogBaseUnits()) / 4));
Config.pfCallback := @TaskDialogCallbackProc;
Config.lpCallbackData := @self;
if TaskDialogIndirect(@Config,@result,@RadioRes,@VerifyChecked)=S_OK then
exit; // error (mostly invalid argument) -> execute the VCL emulation
end;
// use our native (naive?) Delphi implementation
Dialog.Emulated := true;
Dialog.Form := TEmulatedTaskDialog.CreateNew(Application);
try
Dialog.Form.Owner := @Self;
// initialize form properties
Dialog.Form.BorderStyle := bsDialog;
Dialog.Form.BorderIcons := [];
Dialog.Form.Position := poScreenCenter;
if not aEmulateClassicStyle then
Dialog.Form.Font := DefaultFont;
FontHeight := Dialog.Form.Font.Height;
if aWidth=0 then begin
aWidth := Dialog.Form.Canvas.TextWidth(Inst);
if (aWidth>300) or (Dialog.Form.Canvas.TextWidth(Content)>300) or
(length(Buttons)>40) then
aWidth := 480 else
aWidth := 420;
end;
Dialog.Form.ClientWidth := aWidth;
Dialog.Form.Height := 200;
Dialog.Form.Caption := Title;
// create a white panel for the main dialog part
Panel := TPanel.Create(Dialog.Form);
Panel.Parent := Dialog.Form;
Panel.Align := alTop;
Panel.BorderStyle := bsNone;
Panel.BevelOuter := bvNone;
if not aEmulateClassicStyle then begin
{$ifdef HASINLINE}
Panel.BevelEdges := [beBottom];
Panel.BevelKind := bkFlat;
{$endif}
Panel.Color := clWhite;
{$ifdef WITHUXTHEME}
Panel.ParentBackground := false; // clWhite not used otherwise
{$endif}
end;
Par := Panel;
// handle main dialog icon
if aEmulateClassicStyle then
IconBorder := 10 else
IconBorder := 24;
if WIN_ICONS[aDialogIcon]<>nil then begin
Image := TImage.Create(Dialog.Form);
Image.Parent := Par;
Image.Picture.Icon.Handle := LoadIcon(0,WIN_ICONS[aDialogIcon]);
Image.SetBounds(IconBorder,IconBorder,Image.Picture.Icon.Width,Image.Picture.Icon.Height);
X := Image.Width+IconBorder*2;
Y := Image.Top;
if aEmulateClassicStyle then
inc(Y, 8);
end else begin
Image := nil;
if not aEmulateClassicStyle then
IconBorder := IconBorder*2;
X := IconBorder;
Y := IconBorder;
end;
// add main texts (Instruction, Content, Information)
Dialog.Form.Element[tdeMainInstruction] := AddLabel(Inst,true);
Dialog.Form.Element[tdeContent] := AddLabel(Content, false);
if Info<>'' then
// no information collapse/expand yet: it's always expanded
Dialog.Form.Element[tdeExpandedInfo] := AddLabel(Info,false);
// add command links buttons
if (tdfUseCommandLinks in aFlags) and (Buttons<>'') then
with TStringList.Create do
try
inc(Y,8);
Text := SysUtils.trim(Buttons);
for i := 0 to Count-1 do begin
CommandLink := TSynButton.Create(Dialog.Form);
with CommandLink do begin
Parent := Par;
Font.Height := FontHeight-3;
if aEmulateClassicStyle then
SetBounds(X,Y,aWidth-10-X,40) else
SetBounds(X,Y,aWidth-16-X,40);
Caption := NoCR(Strings[i]);
if aHint<>'' then begin
ShowHint := true;
Hint := aHint; // note shown as Hint
end;
inc(Y,Height+2);
ModalResult := i+mrBtn1;
OnClick := Dialog.Form.HandleEmulatedButtonClicked;
if ModalResult=aButtonDef then
Dialog.Form.ActiveControl := CommandLink;
if aEmulateClassicStyle then begin
Font.Height := FontHeight - 2;
Font.Style := [fsBold]
end;
{$ifdef WITHUXTHEME}
if aEmulateClassicStyle then begin
Margin := 7;
Spacing := 7;
end else begin
Margin := 24;
Spacing := 10;
end;
if not (tdfUseCommandLinksNoIcon in aFlags) then
SetBitmap(BitmapArrow);
{$endif}
end;
end;
inc(Y,24);
finally
Free;
end;
// add radio buttons
if Radios<>'' then
with TStringList.Create do
try
Text := SysUtils.trim(Radios);
SetLength(Rad,Count);
for i := 0 to Count-1 do begin
Rad[i] := TRadioButton.Create(Dialog.Form);
with Rad[i] do begin
Parent := Par;
SetBounds(X+16,Y,aWidth-32-X,6-FontHeight);
Caption := NoCR(Strings[i]);
if aHint<>'' then begin
ShowHint := true;
Hint := aHint; // note shown as Hint
end;
inc(Y,Height);
if (i=0) or (i+mrRad1=aRadioDef) then
Checked := true;