-
Notifications
You must be signed in to change notification settings - Fork 0
/
Forms.pas
7700 lines (7116 loc) · 220 KB
/
Forms.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
{*******************************************************}
{ }
{ Borland Delphi Visual Component Library }
{ }
{ Copyright (c) 1995-2002 Borland Software Corporation }
{ }
{*******************************************************}
unit Forms;
{$P+,S-,W-,R-,T-,H+,X+}
{$C PRELOAD}
{$WARN SYMBOL_PLATFORM OFF}
interface
{$IFDEF LINUX}
uses WinUtils, Messages, Libc, Windows, SysUtils, Classes, Graphics, Menus,
Controls, Imm, ActnList, MultiMon, HelpIntfs;
{$ENDIF}
{$IFDEF MSWINDOWS}
uses Messages, Windows, SysUtils, Classes, Graphics, Menus, Controls, Imm,
ActnList, MultiMon, HelpIntfs;
{$ENDIF}
type
{ Forward declarations }
TScrollingWinControl = class;
TCustomForm = class;
TForm = class;
TMonitor = class;
{ TControlScrollBar }
TScrollBarKind = (sbHorizontal, sbVertical);
TScrollBarInc = 1..32767;
TScrollBarStyle = (ssRegular, ssFlat, ssHotTrack);
TControlScrollBar = class(TPersistent)
private
FControl: TScrollingWinControl;
FIncrement: TScrollBarInc;
FPageIncrement: TScrollbarInc;
FPosition: Integer;
FRange: Integer;
FCalcRange: Integer;
FKind: TScrollBarKind;
FMargin: Word;
FVisible: Boolean;
FTracking: Boolean;
FScaled: Boolean;
FSmooth: Boolean;
FDelay: Integer;
FButtonSize: Integer;
FColor: TColor;
FParentColor: Boolean;
FSize: Integer;
FStyle: TScrollBarStyle;
FThumbSize: Integer;
FPageDiv: Integer;
FLineDiv: Integer;
FUpdateNeeded: Boolean;
constructor Create(AControl: TScrollingWinControl; AKind: TScrollBarKind);
procedure CalcAutoRange;
function ControlSize(ControlSB, AssumeSB: Boolean): Integer;
procedure DoSetRange(Value: Integer);
function GetScrollPos: Integer;
function NeedsScrollBarVisible: Boolean;
function IsIncrementStored: Boolean;
procedure ScrollMessage(var Msg: TWMScroll);
procedure SetButtonSize(Value: Integer);
procedure SetColor(Value: TColor);
procedure SetParentColor(Value: Boolean);
procedure SetPosition(Value: Integer);
procedure SetRange(Value: Integer);
procedure SetSize(Value: Integer);
procedure SetStyle(Value: TScrollBarStyle);
procedure SetThumbSize(Value: Integer);
procedure SetVisible(Value: Boolean);
function IsRangeStored: Boolean;
procedure Update(ControlSB, AssumeSB: Boolean);
public
procedure Assign(Source: TPersistent); override;
procedure ChangeBiDiPosition;
property Kind: TScrollBarKind read FKind;
function IsScrollBarVisible: Boolean;
property ScrollPos: Integer read GetScrollPos;
published
property ButtonSize: Integer read FButtonSize write SetButtonSize default 0;
property Color: TColor read FColor write SetColor default clBtnHighlight;
property Increment: TScrollBarInc read FIncrement write FIncrement stored IsIncrementStored default 8;
property Margin: Word read FMargin write FMargin default 0;
property ParentColor: Boolean read FParentColor write SetParentColor default True;
property Position: Integer read FPosition write SetPosition default 0;
property Range: Integer read FRange write SetRange stored IsRangeStored default 0;
property Smooth: Boolean read FSmooth write FSmooth default False;
property Size: Integer read FSize write SetSize default 0;
property Style: TScrollBarStyle read FStyle write SetStyle default ssRegular;
property ThumbSize: Integer read FThumbSize write SetThumbSize default 0;
property Tracking: Boolean read FTracking write FTracking default False;
property Visible: Boolean read FVisible write SetVisible default True;
end;
{ TScrollingWinControl }
TWindowState = (wsNormal, wsMinimized, wsMaximized);
TScrollingWinControl = class(TWinControl)
private
FHorzScrollBar: TControlScrollBar;
FVertScrollBar: TControlScrollBar;
FAutoScroll: Boolean;
FAutoRangeCount: Integer;
FUpdatingScrollBars: Boolean;
procedure CalcAutoRange;
procedure ScaleScrollBars(M, D: Integer);
procedure SetAutoScroll(Value: Boolean);
procedure SetHorzScrollBar(Value: TControlScrollBar);
procedure SetVertScrollBar(Value: TControlScrollBar);
procedure UpdateScrollBars;
procedure WMSize(var Message: TWMSize); message WM_SIZE;
procedure WMHScroll(var Message: TWMHScroll); message WM_HSCROLL;
procedure WMVScroll(var Message: TWMVScroll); message WM_VSCROLL;
procedure CMBiDiModeChanged(var Message: TMessage); message CM_BIDIMODECHANGED;
protected
procedure AdjustClientRect(var Rect: TRect); override;
procedure AlignControls(AControl: TControl; var ARect: TRect); override;
function AutoScrollEnabled: Boolean; virtual;
procedure AutoScrollInView(AControl: TControl); virtual;
procedure ChangeScale(M, D: Integer); override;
procedure CreateParams(var Params: TCreateParams); override;
procedure CreateWnd; override;
procedure DoFlipChildren; override;
property AutoScroll: Boolean read FAutoScroll write SetAutoScroll default True;
procedure Resizing(State: TWindowState); virtual;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure DisableAutoRange;
procedure EnableAutoRange;
procedure ScrollInView(AControl: TControl);
published
property HorzScrollBar: TControlScrollBar read FHorzScrollBar write SetHorzScrollBar;
property VertScrollBar: TControlScrollBar read FVertScrollBar write SetVertScrollBar;
end;
{ TScrollBox }
TFormBorderStyle = (bsNone, bsSingle, bsSizeable, bsDialog, bsToolWindow,
bsSizeToolWin);
TBorderStyle = bsNone..bsSingle;
TScrollBox = class(TScrollingWinControl)
private
FBorderStyle: TBorderStyle;
procedure SetBorderStyle(Value: TBorderStyle);
procedure WMNCHitTest(var Message: TMessage); message WM_NCHITTEST;
procedure CMCtl3DChanged(var Message: TMessage); message CM_CTL3DCHANGED;
protected
procedure CreateParams(var Params: TCreateParams); override;
public
constructor Create(AOwner: TComponent); override;
published
property Align;
property Anchors;
property AutoScroll;
property AutoSize;
property BevelEdges;
property BevelInner;
property BevelOuter;
property BevelKind;
property BevelWidth;
property BiDiMode;
property BorderStyle: TBorderStyle read FBorderStyle write SetBorderStyle default bsSingle;
property Constraints;
property DockSite;
property DragCursor;
property DragKind;
property DragMode;
property Enabled;
property Color nodefault;
property Ctl3D;
property Font;
property ParentBiDiMode;
property ParentBackground default False;
property ParentColor;
property ParentCtl3D;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ShowHint;
property TabOrder;
property TabStop;
property Visible;
property OnCanResize;
property OnClick;
property OnConstrainedResize;
property OnContextPopup;
property OnDblClick;
property OnDockDrop;
property OnDockOver;
property OnDragDrop;
property OnDragOver;
property OnEndDock;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnGetSiteInfo;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnMouseWheel;
property OnMouseWheelDown;
property OnMouseWheelUp;
property OnResize;
property OnStartDock;
property OnStartDrag;
property OnUnDock;
end;
{ TCustomFrame }
TCustomFrame = class(TScrollingWinControl)
private
procedure AddActionList(ActionList: TCustomActionList);
procedure RemoveActionList(ActionList: TCustomActionList);
protected
procedure CreateParams(var Params: TCreateParams); override;
procedure GetChildren(Proc: TGetChildProc; Root: TComponent); override;
procedure Notification(AComponent: TComponent;
Operation: TOperation); override;
procedure SetParent(AParent: TWinControl); override;
public
constructor Create(AOwner: TComponent); override;
end;
TCustomFrameClass = class of TCustomFrame;
{ TFrame }
TFrame = class(TCustomFrame)
published
property Align;
property Anchors;
property AutoScroll;
property AutoSize;
property BiDiMode;
property Constraints;
property DockSite;
property DragCursor;
property DragKind;
property DragMode;
property Enabled;
property Color nodefault;
property Ctl3D;
property Font;
property ParentBackground default True;
property ParentBiDiMode;
property ParentColor;
property ParentCtl3D;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ShowHint;
property TabOrder;
property TabStop;
property Visible;
property OnCanResize;
property OnClick;
property OnConstrainedResize;
property OnContextPopup;
property OnDblClick;
property OnDockDrop;
property OnDockOver;
property OnDragDrop;
property OnDragOver;
property OnEndDock;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnGetSiteInfo;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnMouseWheel;
property OnMouseWheelDown;
property OnMouseWheelUp;
property OnResize;
property OnStartDock;
property OnStartDrag;
property OnUnDock;
end;
{ IDesignerHook }
IDesignerHook = interface(IDesignerNotify)
['{1E431DA5-2BEA-4DE7-A330-CC45FD2FB1EC}']
function GetCustomForm: TCustomForm;
procedure SetCustomForm(Value: TCustomForm);
function GetIsControl: Boolean;
procedure SetIsControl(Value: Boolean);
function IsDesignMsg(Sender: TControl; var Message: TMessage): Boolean;
procedure PaintGrid;
procedure ValidateRename(AComponent: TComponent;
const CurName, NewName: string);
function UniqueName(const BaseName: string): string;
function GetRoot: TComponent;
property IsControl: Boolean read GetIsControl write SetIsControl;
property Form: TCustomForm read GetCustomForm write SetCustomForm;
end;
{ IOleForm }
IOleForm = interface
['{CD02E1C1-52DA-11D0-9EA6-0020AF3D82DA}']
procedure OnDestroy;
procedure OnResize;
end;
{ TCustomForm }
TFormStyle = (fsNormal, fsMDIChild, fsMDIForm, fsStayOnTop);
TBorderIcon = (biSystemMenu, biMinimize, biMaximize, biHelp);
TBorderIcons = set of TBorderIcon;
TPosition = (poDesigned, poDefault, poDefaultPosOnly, poDefaultSizeOnly,
poScreenCenter, poDesktopCenter, poMainFormCenter, poOwnerFormCenter);
TDefaultMonitor = (dmDesktop, dmPrimary, dmMainForm, dmActiveForm);
TPrintScale = (poNone, poProportional, poPrintToFit);
TShowAction = (saIgnore, saRestore, saMinimize, saMaximize);
TTileMode = (tbHorizontal, tbVertical);
TCloseAction = (caNone, caHide, caFree, caMinimize);
TCloseEvent = procedure(Sender: TObject; var Action: TCloseAction) of object;
TCloseQueryEvent = procedure(Sender: TObject;
var CanClose: Boolean) of object;
TFormState = set of (fsCreating, fsVisible, fsShowing, fsModal,
fsCreatedMDIChild, fsActivated);
TShortCutEvent = procedure (var Msg: TWMKey; var Handled: Boolean) of object;
THelpEvent = function(Command: Word; Data: Longint;
var CallHelp: Boolean): Boolean of object;
TCustomForm = class(TScrollingWinControl)
private
FActiveControl: TWinControl;
FFocusedControl: TWinControl;
FBorderIcons: TBorderIcons;
FBorderStyle: TFormBorderStyle;
FSizeChanging: Boolean;
FWindowState: TWindowState;
FShowAction: TShowAction;
FKeyPreview: Boolean;
FActive: Boolean;
FFormStyle: TFormStyle;
FPosition: TPosition;
FDefaultMonitor: TDefaultMonitor;
FTileMode: TTileMode;
FDropTarget: Boolean;
FOldCreateOrder: Boolean;
FPrintScale: TPrintScale;
FCanvas: TControlCanvas;
FHelpFile: string;
FIcon: TIcon;
FInCMParentBiDiModeChanged: Boolean;
FMenu: TMainMenu;
FModalResult: TModalResult;
FDesigner: IDesignerHook;
FClientHandle: HWND;
FWindowMenu: TMenuItem;
FPixelsPerInch: Integer;
FObjectMenuItem: TMenuItem;
FOleForm: IOleForm;
FClientWidth: Integer;
FClientHeight: Integer;
FTextHeight: Integer;
FDefClientProc: TFarProc;
FClientInstance: TFarProc;
FActiveOleControl: TWinControl;
FSavedBorderStyle: TFormBorderStyle;
FOnActivate: TNotifyEvent;
FOnClose: TCloseEvent;
FOnCloseQuery: TCloseQueryEvent;
FOnDeactivate: TNotifyEvent;
FOnHelp: THelpEvent;
FOnHide: TNotifyEvent;
FOnPaint: TNotifyEvent;
FOnShortCut: TShortCutEvent;
FOnShow: TNotifyEvent;
FOnCreate: TNotifyEvent;
FOnDestroy: TNotifyEvent;
FAlphaBlend: Boolean;
FAlphaBlendValue: Byte;
FScreenSnap: Boolean;
FSnapBuffer: Integer;
FTransparentColor: Boolean;
FTransparentColorValue: TColor;
procedure RefreshMDIMenu;
procedure ClientWndProc(var Message: TMessage);
procedure CloseModal;
function GetActiveMDIChild: TForm;
function GetCanvas: TCanvas;
function GetIconHandle: HICON;
function GetMDIChildCount: Integer;
function GetMDIChildren(I: Integer): TForm;
function GetMonitor: TMonitor;
function GetPixelsPerInch: Integer;
function GetScaled: Boolean;
function GetTextHeight: Integer;
procedure IconChanged(Sender: TObject);
function IsAutoScrollStored: Boolean;
function IsClientSizeStored: Boolean;
function IsForm: Boolean;
function IsFormSizeStored: Boolean;
function IsIconStored: Boolean;
procedure MergeMenu(MergeState: Boolean);
procedure ReadIgnoreFontProperty(Reader: TReader);
procedure ReadTextHeight(Reader: TReader);
procedure SetActive(Value: Boolean);
procedure SetActiveControl(Control: TWinControl);
procedure SetBorderIcons(Value: TBorderIcons);
procedure SetBorderStyle(Value: TFormBorderStyle);
procedure SetClientHeight(Value: Integer);
procedure SetClientWidth(Value: Integer);
procedure SetDesigner(ADesigner: IDesignerHook);
procedure SetFormStyle(Value: TFormStyle);
procedure SetIcon(Value: TIcon);
procedure SetMenu(Value: TMainMenu);
procedure SetPixelsPerInch(Value: Integer);
procedure SetPosition(Value: TPosition);
procedure SetScaled(Value: Boolean);
procedure SetVisible(Value: Boolean);
procedure SetWindowFocus;
procedure SetWindowMenu(Value: TMenuItem);
procedure SetObjectMenuItem(Value: TMenuItem);
procedure SetWindowState(Value: TWindowState);
procedure SetWindowToMonitor;
procedure WritePixelsPerInch(Writer: TWriter);
procedure WriteTextHeight(Writer: TWriter);
function NormalColor: TColor;
procedure WMPaint(var Message: TWMPaint); message WM_PAINT;
procedure WMEraseBkgnd(var Message: TWMEraseBkgnd); message WM_ERASEBKGND;
procedure WMIconEraseBkgnd(var Message: TWMEraseBkgnd); message WM_ICONERASEBKGND;
procedure WMQueryDragIcon(var Message: TWMQueryDragIcon); message WM_QUERYDRAGICON;
procedure WMNCCreate(var Message: TWMNCCreate); message WM_NCCREATE;
procedure WMNCLButtonDown(var Message: TWMNCLButtonDown); message WM_NCLBUTTONDOWN;
procedure WMDestroy(var Message: TWMDestroy); message WM_DESTROY;
procedure WMCommand(var Message: TWMCommand); message WM_COMMAND;
procedure WMInitMenuPopup(var Message: TWMInitMenuPopup); message WM_INITMENUPOPUP;
procedure WMMenuChar(var Message: TWMMenuChar); message WM_MENUCHAR;
procedure WMMenuSelect(var Message: TWMMenuSelect); message WM_MENUSELECT;
procedure WMActivate(var Message: TWMActivate); message WM_ACTIVATE;
procedure WMClose(var Message: TWMClose); message WM_CLOSE;
procedure WMQueryEndSession(var Message: TWMQueryEndSession); message WM_QUERYENDSESSION;
procedure WMSysCommand(var Message: TWMSysCommand); message WM_SYSCOMMAND;
procedure WMShowWindow(var Message: TWMShowWindow); message WM_SHOWWINDOW;
procedure WMMDIActivate(var Message: TWMMDIActivate); message WM_MDIACTIVATE;
procedure WMNextDlgCtl(var Message: TWMNextDlgCtl); message WM_NEXTDLGCTL;
procedure WMEnterMenuLoop(var Message: TMessage); message WM_ENTERMENULOOP;
procedure WMHelp(var Message: TWMHelp); message WM_HELP;
procedure WMGetMinMaxInfo(var Message: TWMGetMinMaxInfo); message WM_GETMINMAXINFO;
procedure WMSettingChange(var Message: TMessage); message WM_SETTINGCHANGE;
procedure WMWindowPosChanging(var Message: TWMWindowPosChanging); message WM_WINDOWPOSCHANGING;
procedure CMActionExecute(var Message: TMessage); message CM_ACTIONEXECUTE;
procedure CMActionUpdate(var Message: TMessage); message CM_ACTIONUPDATE;
procedure CMActivate(var Message: TCMActivate); message CM_ACTIVATE;
procedure CMAppSysCommand(var Message: TMessage); message CM_APPSYSCOMMAND;
procedure CMBiDiModeChanged(var Message: TMessage); message CM_BIDIMODECHANGED;
procedure CMDeactivate(var Message: TCMDeactivate); message CM_DEACTIVATE;
procedure CMDialogKey(var Message: TCMDialogKey); message CM_DIALOGKEY;
procedure CMColorChanged(var Message: TMessage); message CM_COLORCHANGED;
procedure CMCtl3DChanged(var Message: TMessage); message CM_CTL3DCHANGED;
procedure CMFontChanged(var Message: TMessage); message CM_FONTCHANGED;
procedure CMMenuChanged(var Message: TMessage); message CM_MENUCHANGED;
procedure CMShowingChanged(var Message: TMessage); message CM_SHOWINGCHANGED;
procedure CMIconChanged(var Message: TMessage); message CM_ICONCHANGED;
procedure CMRelease(var Message: TMessage); message CM_RELEASE;
procedure CMTextChanged(var Message: TMessage); message CM_TEXTCHANGED;
procedure CMUIActivate(var Message); message CM_UIACTIVATE;
procedure CMParentBiDiModeChanged(var Message: TMessage); message CM_PARENTBIDIMODECHANGED;
procedure CMParentFontChanged(var Message: TMessage); message CM_PARENTFONTCHANGED;
procedure CMIsShortCut(var Message: TWMKey); message CM_ISSHORTCUT;
procedure SetLayeredAttribs;
procedure SetAlphaBlend(const Value: Boolean);
procedure SetAlphaBlendValue(const Value: Byte);
procedure SetTransparentColor(const Value: Boolean);
procedure SetTransparentColorValue(const Value: TColor);
procedure InitAlphaBlending(var Params: TCreateParams);
protected
FActionLists: TList;
FFormState: TFormState;
procedure Activate; dynamic;
procedure ActiveChanged; dynamic;
procedure AlignControls(AControl: TControl; var Rect: TRect); override;
procedure BeginAutoDrag; override;
procedure ChangeScale(M, D: Integer); override;
procedure CreateParams(var Params: TCreateParams); override;
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure CreateWnd; override;
procedure Deactivate; dynamic;
procedure DefineProperties(Filer: TFiler); override;
procedure DestroyWindowHandle; override;
procedure DoClose(var Action: TCloseAction); dynamic;
procedure DoCreate; virtual;
procedure DoDestroy; virtual;
procedure DoHide; dynamic;
procedure DoShow; dynamic;
function GetClientRect: TRect; override;
procedure GetChildren(Proc: TGetChildProc; Root: TComponent); override;
function GetFloating: Boolean; override;
function HandleCreateException: Boolean; dynamic;
procedure Loaded; override;
procedure Notification(AComponent: TComponent;
Operation: TOperation); override;
procedure Paint; dynamic;
procedure PaintWindow(DC: HDC); override;
function PaletteChanged(Foreground: Boolean): Boolean; override;
function QueryInterface(const IID: TGUID; out Obj): HResult; override;
procedure ReadState(Reader: TReader); override;
procedure RequestAlign; override;
procedure SetChildOrder(Child: TComponent; Order: Integer); override;
procedure SetParentBiDiMode(Value: Boolean); override;
procedure DoDock(NewDockSite: TWinControl; var ARect: TRect); override;
procedure SetParent(AParent: TWinControl); override;
procedure UpdateActions; virtual;
procedure UpdateWindowState;
procedure ValidateRename(AComponent: TComponent;
const CurName, NewName: string); override;
procedure VisibleChanging; override;
procedure WndProc(var Message: TMessage); override;
procedure Resizing(State: TWindowState); override;
property ActiveMDIChild: TForm read GetActiveMDIChild;
property AlphaBlend: Boolean read FAlphaBlend write SetAlphaBlend;
property AlphaBlendValue: Byte read FAlphaBlendValue write SetAlphaBlendValue;
property BorderIcons: TBorderIcons read FBorderIcons write SetBorderIcons stored IsForm
default [biSystemMenu, biMinimize, biMaximize];
property AutoScroll stored IsAutoScrollStored;
property ClientHandle: HWND read FClientHandle;
property ClientHeight write SetClientHeight stored IsClientSizeStored;
property ClientWidth write SetClientWidth stored IsClientSizeStored;
property TransparentColor: Boolean read FTransparentColor write SetTransparentColor;
property TransparentColorValue: TColor read FTransparentColorValue write SetTransparentColorValue;
property Ctl3D default True;
property DefaultMonitor: TDefaultMonitor read FDefaultMonitor write FDefaultMonitor
stored IsForm default dmActiveForm;
property FormStyle: TFormStyle read FFormStyle write SetFormStyle
stored IsForm default fsNormal;
property Height stored IsFormSizeStored;
property HorzScrollBar stored IsForm;
property Icon: TIcon read FIcon write SetIcon stored IsIconStored;
property MDIChildCount: Integer read GetMDIChildCount;
property MDIChildren[I: Integer]: TForm read GetMDIChildren;
property OldCreateOrder: Boolean read FOldCreateOrder write FOldCreateOrder;
property ObjectMenuItem: TMenuItem read FObjectMenuItem write SetObjectMenuItem
stored IsForm;
property PixelsPerInch: Integer read GetPixelsPerInch write SetPixelsPerInch
stored False;
property ParentFont default False;
property PopupMenu stored IsForm;
property Position: TPosition read FPosition write SetPosition stored IsForm
default poDesigned;
property PrintScale: TPrintScale read FPrintScale write FPrintScale stored IsForm
default poProportional;
property Scaled: Boolean read GetScaled write SetScaled stored IsForm default True;
property TileMode: TTileMode read FTileMode write FTileMode default tbHorizontal;
property VertScrollBar stored IsForm;
property Visible write SetVisible default False;
property Width stored IsFormSizeStored;
property WindowMenu: TMenuItem read FWindowMenu write SetWindowMenu stored IsForm;
property OnActivate: TNotifyEvent read FOnActivate write FOnActivate stored IsForm;
property OnCanResize stored IsForm;
property OnClick stored IsForm;
property OnClose: TCloseEvent read FOnClose write FOnClose stored IsForm;
property OnCloseQuery: TCloseQueryEvent read FOnCloseQuery write FOnCloseQuery
stored IsForm;
property OnCreate: TNotifyEvent read FOnCreate write FOnCreate stored IsForm;
property OnDblClick stored IsForm;
property OnDestroy: TNotifyEvent read FOnDestroy write FOnDestroy stored IsForm;
property OnDeactivate: TNotifyEvent read FOnDeactivate write FOnDeactivate stored IsForm;
property OnDragDrop stored IsForm;
property OnDragOver stored IsForm;
property OnHelp: THelpEvent read FOnHelp write FOnHelp;
property OnHide: TNotifyEvent read FOnHide write FOnHide stored IsForm;
property OnKeyDown stored IsForm;
property OnKeyPress stored IsForm;
property OnKeyUp stored IsForm;
property OnMouseDown stored IsForm;
property OnMouseMove stored IsForm;
property OnMouseUp stored IsForm;
property OnPaint: TNotifyEvent read FOnPaint write FOnPaint stored IsForm;
property OnResize stored IsForm;
property OnShortCut: TShortCutEvent read FOnShortCut write FOnShortCut;
property OnShow: TNotifyEvent read FOnShow write FOnShow stored IsForm;
public
constructor Create(AOwner: TComponent); override;
constructor CreateNew(AOwner: TComponent; Dummy: Integer = 0); virtual;
destructor Destroy; override;
procedure AfterConstruction; override;
procedure BeforeDestruction; override;
procedure Close;
function CloseQuery: Boolean; virtual;
procedure DefaultHandler(var Message); override;
procedure DefocusControl(Control: TWinControl; Removing: Boolean);
procedure Dock(NewDockSite: TWinControl; ARect: TRect); override;
procedure FocusControl(Control: TWinControl);
function GetFormImage: TBitmap;
procedure Hide;
function IsShortCut(var Message: TWMKey): Boolean; dynamic;
procedure MakeFullyVisible(AMonitor: TMonitor = nil);
procedure MouseWheelHandler(var Message: TMessage); override;
procedure Print;
procedure Release;
procedure SendCancelMode(Sender: TControl);
procedure SetFocus; override;
function SetFocusedControl(Control: TWinControl): Boolean; virtual;
procedure Show;
function ShowModal: Integer; virtual;
function WantChildKey(Child: TControl; var Message: TMessage): Boolean; virtual;
property Active: Boolean read FActive;
property ActiveControl: TWinControl read FActiveControl write SetActiveControl
stored IsForm;
property Action;
property ActiveOleControl: TWinControl read FActiveOleControl write FActiveOleControl;
property BorderStyle: TFormBorderStyle read FBorderStyle write SetBorderStyle
stored IsForm default bsSizeable;
property Canvas: TCanvas read GetCanvas;
property Caption stored IsForm;
property Color nodefault;
property Designer: IDesignerHook read FDesigner write SetDesigner;
property DropTarget: Boolean read FDropTarget write FDropTarget;
property Font;
property FormState: TFormState read FFormState;
property HelpFile: string read FHelpFile write FHelpFile;
property KeyPreview: Boolean read FKeyPreview write FKeyPreview
stored IsForm default False;
property Menu: TMainMenu read FMenu write SetMenu stored IsForm;
property ModalResult: TModalResult read FModalResult write FModalResult;
property Monitor: TMonitor read GetMonitor;
property OleFormObject: IOleForm read FOleForm write FOleForm;
property ScreenSnap: Boolean read FScreenSnap write FScreenSnap default False;
property SnapBuffer: Integer read FSnapBuffer write FSnapBuffer;
property WindowState: TWindowState read FWindowState write SetWindowState
stored IsForm default wsNormal;
end;
TCustomFormClass = class of TCustomForm;
{ TCustomActiveForm }
TActiveFormBorderStyle = (afbNone, afbSingle, afbSunken, afbRaised);
TCustomActiveForm = class(TCustomForm)
private
FAxBorderStyle: TActiveFormBorderStyle;
procedure SetAxBorderStyle(Value: TActiveFormBorderStyle);
protected
procedure CreateParams(var Params: TCreateParams); override;
public
constructor Create(AOwner: TComponent); override;
function WantChildKey(Child: TControl; var Message: TMessage): Boolean; override;
property Visible;
published
property ActiveControl;
property Anchors;
property AutoScroll;
property AutoSize;
property AxBorderStyle: TActiveFormBorderStyle read FAxBorderStyle
write SetAxBorderStyle default afbSingle;
property BorderWidth;
property Caption stored True;
property Color;
property Constraints;
property Font;
property Height stored True;
property HorzScrollBar;
property KeyPreview;
property OldCreateOrder;
property PixelsPerInch;
property PopupMenu;
property PrintScale;
property Scaled;
property ShowHint;
property VertScrollBar;
property Width stored True;
property OnActivate;
property OnClick;
property OnCreate;
property OnContextPopup;
property OnDblClick;
property OnDestroy;
property OnDeactivate;
property OnDragDrop;
property OnDragOver;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnPaint;
end;
{ TForm }
TForm = class(TCustomForm)
public
procedure ArrangeIcons;
procedure Cascade;
procedure Next;
procedure Previous;
procedure Tile;
property ActiveMDIChild;
property ClientHandle;
property DockManager;
property MDIChildCount;
property MDIChildren;
property TileMode;
published
property Action;
property ActiveControl;
property Align;
property AlphaBlend default False;
property AlphaBlendValue default 255;
property Anchors;
property AutoScroll;
property AutoSize;
property BiDiMode;
property BorderIcons;
property BorderStyle;
property BorderWidth;
property Caption;
property ClientHeight;
property ClientWidth;
property Color;
property TransparentColor default False;
property TransparentColorValue default 0;
property Constraints;
property Ctl3D;
property UseDockManager;
property DefaultMonitor;
property DockSite;
property DragKind;
property DragMode;
property Enabled;
property ParentFont default False;
property Font;
property FormStyle;
property Height;
property HelpFile;
property HorzScrollBar;
property Icon;
property KeyPreview;
property Menu;
property OldCreateOrder;
property ObjectMenuItem;
property ParentBiDiMode;
property PixelsPerInch;
property PopupMenu;
property Position;
property PrintScale;
property Scaled;
property ScreenSnap default False;
property ShowHint;
property SnapBuffer default 10;
property VertScrollBar;
property Visible;
property Width;
property WindowState;
property WindowMenu;
property OnActivate;
property OnCanResize;
property OnClick;
property OnClose;
property OnCloseQuery;
property OnConstrainedResize;
property OnContextPopup;
property OnCreate;
property OnDblClick;
property OnDestroy;
property OnDeactivate;
property OnDockDrop;
property OnDockOver;
property OnDragDrop;
property OnDragOver;
property OnEndDock;
property OnGetSiteInfo;
property OnHide;
property OnHelp;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnMouseWheel;
property OnMouseWheelDown;
property OnMouseWheelUp;
property OnPaint;
property OnResize;
property OnShortCut;
property OnShow;
property OnStartDock;
property OnUnDock;
end;
TFormClass = class of TForm;
{ TCustomDockForm }
TCustomDockForm = class(TCustomForm)
private
procedure WMNCHitTest(var Message: TWMNCHitTest); message WM_NCHITTESt;
procedure WMNCLButtonDown(var Message: TWMNCLButtonDown); message WM_NCLBUTTONDOWN;
procedure CMControlListChange(var Message: TMessage); message CM_CONTROLLISTCHANGE;
procedure CMDockNotification(var Message: TCMDockNotification); message CM_DOCKNOTIFICATION;
procedure CMUnDockClient(var Message: TCMUnDockClient); message CM_UNDOCKCLIENT;
procedure CMVisibleChanged(var Message: TMessage); message CM_VISIBLECHANGED;
protected
procedure DoAddDockClient(Client: TControl; const ARect: TRect); override;
procedure DoRemoveDockClient(Client: TControl); override;
procedure GetSiteInfo(Client: TControl; var InfluenceRect: TRect;
MousePos: TPoint; var CanDock: Boolean); override;
procedure Loaded; override;
public
constructor Create(AOwner: TComponent); override;
property AutoScroll default False;
property BorderStyle default bsSizeToolWin;
property FormStyle default fsStayOnTop;
published
property PixelsPerInch;
end;
{ TMonitor }
TMonitor = class(TObject)
private
FHandle: HMONITOR;
FMonitorNum: Integer;
function GetLeft: Integer;
function GetHeight: Integer;
function GetTop: Integer;
function GetWidth: Integer;
function GetBoundsRect: TRect;
function GetWorkareaRect: TRect;
function GetPrimary: Boolean;
public
property Handle: HMONITOR read FHandle;
property MonitorNum: Integer read FMonitorNum;
property Left: Integer read GetLeft;
property Height: Integer read GetHeight;
property Top: Integer read GetTop;
property Width: Integer read GetWidth;
property BoundsRect: TRect read GetBoundsRect;
property WorkareaRect: TRect read GetWorkareaRect;
property Primary: Boolean read GetPrimary;
end;
{ TScreen }
PCursorRec = ^TCursorRec;
TCursorRec = record
Next: PCursorRec;
Index: Integer;
Handle: HCURSOR;
end;
TMonitorDefaultTo = (mdNearest, mdNull, mdPrimary);
TScreen = class(TComponent)
private
FFonts: TStrings;
FImes: TStrings;
FDefaultIme: string;
FDefaultKbLayout: HKL;
FPixelsPerInch: Integer;
FCursor: TCursor;
FCursorCount: Integer;
FForms: TList;
FCustomForms: TList;
FDataModules: TList;
FMonitors: TList;
FCursorList: PCursorRec;
FDefaultCursor: HCURSOR;
FActiveControl: TWinControl;
FActiveCustomForm: TCustomForm;
FActiveForm: TForm;
FLastActiveControl: TWinControl;
FLastActiveCustomForm: TCustomForm;
FFocusedForm: TCustomForm;
FSaveFocusedList: TList;
FHintFont: TFont;
FIconFont: TFont;
FMenuFont: TFont;
FAlignLevel: Word;
FControlState: TControlState;
FOnActiveControlChange: TNotifyEvent;
FOnActiveFormChange: TNotifyEvent;
procedure AlignForm(AForm: TCustomForm);
procedure AlignForms(AForm: TCustomForm; var Rect: TRect);
procedure AddDataModule(DataModule: TDataModule);
procedure AddForm(AForm: TCustomForm);
procedure CreateCursors;
procedure DeleteCursor(Index: Integer);
procedure DestroyCursors;
function FindMonitor(Handle: HMONITOR): TMonitor;
procedure IconFontChanged(Sender: TObject);
function GetCustomFormCount: Integer;
function GetCustomForms(Index: Integer): TCustomForm;
function GetCursors(Index: Integer): HCURSOR;
function GetDataModule(Index: Integer): TDataModule;
function GetDataModuleCount: Integer;
function GetDefaultIME: String;
function GetDesktopTop: Integer;
function GetDesktopLeft: Integer;
function GetDesktopHeight: Integer;
function GetDesktopWidth: Integer;
function GetDesktopRect: TRect;
function GetWorkAreaRect: TRect;
function GetWorkAreaHeight: Integer;
function GetWorkAreaLeft: Integer;
function GetWorkAreaTop: Integer;
function GetWorkAreaWidth: Integer;
function GetImes: TStrings;
function GetHeight: Integer;
function GetMonitor(Index: Integer): TMonitor;
function GetMonitorCount: Integer;
function GetFonts: TStrings;
function GetForm(Index: Integer): TForm;
function GetFormCount: Integer;
procedure GetMetricSettings;
function GetWidth: Integer;
procedure InsertCursor(Index: Integer; Handle: HCURSOR);
procedure RemoveDataModule(DataModule: TDataModule);
procedure RemoveForm(AForm: TCustomForm);
procedure SetCursors(Index: Integer; Handle: HCURSOR);
procedure SetCursor(Value: TCursor);
procedure SetHintFont(Value: TFont);
procedure SetIconFont(Value: TFont);
procedure SetMenuFont(Value: TFont);
procedure UpdateLastActive;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure DisableAlign;
procedure EnableAlign;
function MonitorFromPoint(const Point: TPoint;
MonitorDefault: TMonitorDefaultTo = mdNearest): TMonitor;
function MonitorFromRect(const Rect: TRect;
MonitorDefault: TMonitorDefaultTo = mdNearest): TMonitor;
function MonitorFromWindow(const Handle: THandle;
MonitorDefault: TMonitorDefaultTo = mdNearest): TMonitor;
procedure Realign;
procedure ResetFonts;
property ActiveControl: TWinControl read FActiveControl;
property ActiveCustomForm: TCustomForm read FActiveCustomForm;
property ActiveForm: TForm read FActiveForm;
property CustomFormCount: Integer read GetCustomFormCount;
property CustomForms[Index: Integer]: TCustomForm read GetCustomForms;
property Cursor: TCursor read FCursor write SetCursor;
property Cursors[Index: Integer]: HCURSOR read GetCursors write SetCursors;
property DataModules[Index: Integer]: TDataModule read GetDataModule;
property DataModuleCount: Integer read GetDataModuleCount;
property MonitorCount: Integer read GetMonitorCount;
property Monitors[Index: Integer]: TMonitor read GetMonitor;
property DesktopRect: TRect read GetDesktopRect;
property DesktopHeight: Integer read GetDesktopHeight;
property DesktopLeft: Integer read GetDesktopLeft;
property DesktopTop: Integer read GetDesktopTop;
property DesktopWidth: Integer read GetDesktopWidth;
property WorkAreaRect: TRect read GetWorkAreaRect;
property WorkAreaHeight: Integer read GetWorkAreaHeight;
property WorkAreaLeft: Integer read GetWorkAreaLeft;
property WorkAreaTop: Integer read GetWorkAreaTop;
property WorkAreaWidth: Integer read GetWorkAreaWidth;
property HintFont: TFont read FHintFont write SetHintFont;
property IconFont: TFont read FIconFont write SetIconFont;
property MenuFont: TFont read FMenuFont write SetMenuFont;
property Fonts: TStrings read GetFonts;
property FormCount: Integer read GetFormCount;
property Forms[Index: Integer]: TForm read GetForm;
property Imes: TStrings read GetImes;
property DefaultIme: string read GetDefaultIme;
property DefaultKbLayout: HKL read FDefaultKbLayout;
property Height: Integer read GetHeight;
property PixelsPerInch: Integer read FPixelsPerInch;
property Width: Integer read GetWidth;
property OnActiveControlChange: TNotifyEvent
read FOnActiveControlChange write FOnActiveControlChange;
property OnActiveFormChange: TNotifyEvent
read FOnActiveFormChange write FOnActiveFormChange;
end;
{ TApplication }
TTimerMode = (tmShow, tmHide);
PHintInfo = ^THintInfo;
THintInfo = record
HintControl: TControl;
HintWindowClass: THintWindowClass;
HintPos: TPoint;