-
-
Notifications
You must be signed in to change notification settings - Fork 30
/
BCExpandPanels.pas
2631 lines (2138 loc) · 73.6 KB
/
BCExpandPanels.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
{
********************************************************************************
* BGRAExpandPanels Version 1.0 *
* *
* *
* (c) Massimo Magnano, Alexander Roth *
* *
* *
********************************************************************************
See BcExpandPanels.txt for changelog and to-do
}
unit BCExpandPanels;
{$mode objfpc}{$H+}
// for debugging purposes
//{$DEFINE DEBUG_PAINT}
interface
uses
Controls, Classes, ExtCtrls, Graphics, Math, LResources, Dialogs, SysUtils,
Buttons, Themes, Types, Menus, BCPanel;
type
TBCExpandPanelsBehaviour = (EPHotMouse, EPMultipanel, EPSinglePanel);
// TBoundEvent=procedure(sender:TObject; ALeft, ATop, AWidth, AHeight: integer) of object;
TAnimationEvent = procedure(Sender: TObject; deltaLeft, deltaTop, deltaWidth, deltaHeight: integer) of object;
TNormalProcedure = procedure of object;
{ TBCBoundButton }
TGlyphLayout =
(
glLeft,
glRight,
glNone
);
TGlyphKind =
(
gkArrows,
gkClose,
gkMinMax
);
TTextLayout =
(
tlLeft,
tlRight,
tlCenter,
tlNone
);
TBCBoundButtonStyle = (bbsButton, bbsTab, bbsLine, bbsLineDouble,
bbsLineTop, bbsLineBottom, bbsLineDoubleTop, bbsLineDoubleBottom);
TBCBoundButton = class(TCustomSpeedButton)
private
rColorExpanded: TColor;
rColorHighlight: TColor;
rColorShadow: TColor;
rGlyphKind: TGlyphKind;
rGlyphLayout: TGlyphLayout;
rStyle: TBCBoundButtonStyle;
rTabWidth: Integer;
rTextLayout: TTextLayout;
procedure setColorExpanded(AValue: TColor);
procedure SetColorHighlight(AValue: TColor);
procedure SetColorShadow(AValue: TColor);
procedure SetGlyphKind(AValue: TGlyphKind);
procedure SetGlyphLayout(AValue: TGlyphLayout);
procedure SetStyle(AValue: TBCBoundButtonStyle);
procedure SetTabWidth(AValue: Integer);
procedure SetTextLayout(AValue: TTextLayout);
protected
rGlyph :TButtonGlyph;
rUserGlyphExpanded,
rUserGlyphCollapsed,
rGlyphExpanded,
rGlyphCollapsed :TBitmap;
procedure SetGlyphCollapsed(AValue: TBitmap);
procedure SetGlyphExpanded(AValue: TBitmap);
procedure LoadGlyph(GlyphDST :TBitmap; ResName :String);
procedure BuildGlyphs;
procedure Paint; override;
procedure Loaded; override;
(* property AllowAllUp;
property Down;
property Glyph;
property GroupIndex;
property Height; //Don't Decrease visibility :-O
property HelpContext;
property HelpKeyword;
property HelpType;
property Layout;
property Left;
property Margin;
property Name;
property NumGlyphs;
property Spacing;
property ShowCaption;
property Tag;
property Top;
property Width;
property Transparent;
*)
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
property Caption;
property Color nodefault;
property ColorExpanded: TColor read rColorExpanded write setColorExpanded;
property ColorHighlight: TColor read rColorHighlight write SetColorHighlight default clDefault;
property ColorShadow: TColor read rColorShadow write SetColorShadow default clDefault;
property Font;
property Flat;
property GlyphExpanded: TBitmap read rUserGlyphExpanded write SetGlyphExpanded;
property GlyphCollapsed: TBitmap read rUserGlyphCollapsed write SetGlyphCollapsed;
property GlyphLayout: TGlyphLayout read rGlyphLayout write SetGlyphLayout default glNone;
property GlyphKind: TGlyphKind read rGlyphKind write SetGlyphKind default gkArrows;
property ShowAccelChar;
property TextLayout: TTextLayout read rTextLayout write SetTextLayout default tlLeft;
property Style: TBCBoundButtonStyle read rStyle write SetStyle default bbsButton;
//Negative Values is the % of Total Width, Positive is a Fixed Width
property TabWidth: Integer read rTabWidth write SetTabWidth default -50;
end;
{ TBCExpandPanel }
TBCExpandPanel = class(TBCPanel)
private
FEPManagesCollapsing: TNotifyEvent;
FButton: TBCBoundButton;
FButtonSize: integer;
FCollapseKind: TAnchorKind;
FCollapsed: boolean;
FAnimated: boolean;
FOnExpand: TNotifyEvent;
FOnPreExpand: TNotifyEvent;
FOnAnimate: TAnimationEvent;
FOnCollapse: TNotifyEvent;
FOnPreCollapse: TNotifyEvent;
FOnButtonClick: TNotifyEvent;
FInternalOnAnimate: TAnimationEvent;
FButtonPosition: TAnchorKind;
FExpandedButtonColor: TColor;
FCollapsedButtonColor: TColor;
FExpandedSize: integer;
FAnimationSpeed: real;
FTextAlignment: TAlignment;
rBevelColorHighlight: TColor;
rBevelColorShadow: TColor;
rBevelRounded: Boolean;
StopCircleActions: boolean;
FAnimating: boolean;
FVisibleTotal: boolean;
TargetAnimationSize: integer;
EndProcedureOfAnimation: TNormalProcedure;
Timer: TTimer;
function GetEnabled: Boolean;
procedure SetBevelColorHighlight(AValue: TColor);
procedure SetBevelColorShadow(AValue: TColor);
procedure SetBevelRounded(AValue: Boolean);
procedure SetEnabled(AValue: Boolean);
procedure setExpandedSize(Value: integer);
procedure setButtonSize(Value: integer);
procedure setButtonPosition(Value: TAnchorKind);
procedure setCollapseKind(Value: TAnchorKind);
procedure setAnimationSpeed(Value: real);
procedure setCollapsed(Value: boolean);
procedure PositionButton;
procedure SetRelevantSize(comp: TControl; AKind: TAnchorKind; ASize: Integer);
function RelevantSize(comp: TControl; akind: TAnchorKind): integer;
function RelevantOrthogonalSize(comp: TControl; akind: TAnchorKind): integer;
function DeltaCoordinates(deltaMove, deltaSize: integer): TRect; // the outpot (left,top right, bottom) has all the information: left and top encode the movement. rigth and bottom the size changes
procedure Animate(aTargetSize: integer);
procedure SetTextAlignment(AValue: TAlignment);
procedure TimerAnimateSize(Sender: TObject);
procedure EndTimerCollapse;
procedure EndTimerExpand;
procedure UpdateAll;
procedure ButtonClick(Sender: TObject);
procedure DoCollapse;
procedure DoExpand;
procedure AdjustClientRect(var ARect: TRect); override;
property InternalOnAnimate: TAnimationEvent read FInternalOnAnimate write FInternalOnAnimate;
property EPManagesCollapsing: TNotifyEvent read FEPManagesCollapsing write FEPManagesCollapsing;
protected
procedure Loaded; override;
procedure CreateWnd; override;
procedure Paint; override;
public
property Animating: boolean read FAnimating;
constructor Create(TheOwner: TComponent); override;
destructor Destroy; override;
procedure SetBounds(ALeft, ATop, AWidth, AHeight: integer); override;
published
property TextAlignment: TAlignment read FTextAlignment write SetTextAlignment;
property Enabled: Boolean read GetEnabled write SetEnabled;
property CollapseKind: TAnchorKind read FCollapseKind write setCollapseKind; //To where should it collapse?
property ExpandedSize: integer read FExpandedSize write setExpandedSize;
property ButtonPosition: TAnchorKind read FButtonPosition write setButtonPosition;
property ButtonSize: integer read FButtonSize write setButtonSize;
property Button: TBCBoundButton read FButton;
property AnimationSpeed: real read FAnimationSpeed write setAnimationSpeed;
property Animated: boolean read FAnimated write FAnimated default True;
property Collapsed: boolean read FCollapsed write setCollapsed default False;
property BevelColorHighlight: TColor read rBevelColorHighlight write SetBevelColorHighlight default clBtnHighlight;
property BevelColorShadow: TColor read rBevelColorShadow write SetBevelColorShadow default clBtnShadow;
property BevelRounded: Boolean read rBevelRounded write SetBevelRounded default True;
property OnAnimate: TAnimationEvent read FOnAnimate write FOnAnimate;
property OnButtonClick: TNotifyEvent read FOnButtonClick write FOnButtonClick;
property OnPreExpand: TNotifyEvent read FOnPreExpand write FOnPreExpand;
property OnExpand: TNotifyEvent read FOnExpand write FOnExpand;
property OnCollapse: TNotifyEvent read FOnCollapse write FOnCollapse;
property OnPreCollapse: TNotifyEvent read FOnPreCollapse write FOnPreCollapse;
end;
{==============================================================================
Class: TBCExpandPanels
Description:
==============================================================================}
{ TBCExpandPanels }
TBCExpandPanels = class(TComponent)
private
{ Private-Deklarationen }
PanelArray: TList;
// Properties
FArrangeKind: TAnchorKind;
FButtonPosition, FCollapseKind: TAnchorKind;
FButtonGlyphKind: TGlyphKind;
FButtonGlyphLayout: TGlyphLayout;
FButtonStyle: TBCBoundButtonStyle;
FButtonTabWidth: Integer;
FButtonTextLayout: TTextLayout;
FOrthogonalAbove: integer;
FAbove: integer;
FOrthogonalSize: integer;
FBehaviour: TBCExpandPanelsBehaviour;
FOnArrangePanels: TNotifyEvent;
FFixedSize: integer;
FUseFixedSize: boolean;
FAutoCollapseIfTooHigh: boolean;
FUseClientSize: boolean;
function RelevantAbove(comp: TControl): integer;
function RelevantOrthogonalAbove(comp: TControl): integer;
function RelevantSize(comp: TControl): integer;
function RelevantOrthogonalSize(comp: TControl): integer;
procedure setButtonGlyphKind(AValue: TGlyphKind);
procedure setButtonGlyphLayout(AValue: TGlyphLayout);
procedure setButtonStyle(AValue: TBCBoundButtonStyle);
procedure SetButtonTabWidth(AValue: Integer);
procedure setButtonTextLayout(AValue: TTextLayout);
procedure WriteRelevantAbove(comp: TBCExpandPanel; above: integer);
procedure WriteRelevantSize(comp: TBCExpandPanel; size: integer);
procedure WriteRelevantOrthogonalSize(comp: TBCExpandPanel; size: integer);
procedure WriteRelevantOrthogonalAbove(comp: TBCExpandPanel; size: integer);
procedure setArrangeKind(Value: TAnchorKind);
procedure setButtonPosition(Value: TAnchorKind);
procedure setCollapseKind(Value: TAnchorKind);
procedure setUseClientSize(Value: boolean);
procedure setUseFixedSize(Value: boolean);
procedure setAutoCollapseIfTooHigh(Value: boolean);
procedure setFixedSize(Value: integer);
procedure setOrthogonalAbove(Value: integer);
procedure setAbove(Value: integer);
procedure setOrthogonalSize(Value: integer);
procedure setBehaviour(Value: TBCExpandPanelsBehaviour);
procedure MakeCorrectButtonClickPointers;
procedure RollOutOnAnimate(Sender: TObject; deltaLeft, deltaTop, deltaWidth, deltaHeight: integer);
procedure RollOutClick(Sender: TObject);
procedure HotTrackSetActivePanel(Value: integer);
procedure DelLastPanel;
procedure RollOut1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: integer);
protected
{ Protected-Deklarationen }
public
{ Public-Deklarationen }
property OrthogonalAbove: integer read FOrthogonalAbove write setOrthogonalAbove;
property Above: integer read FAbove write setAbove;
property OrthogonalSize: integer read FOrthogonalSize write setOrthogonalSize;
function IdxOfPanel(aname: string): integer; overload;
procedure CollapseIfTooHigh;
// procedure SetCorrectSize;
procedure AddPanel(rollout: TBCExpandPanel);
procedure InsertPanel(idx: integer; rollout: TBCExpandPanel);
function DeltePanel(aname: string): boolean; overload;
function DeltePanel(idx: integer): boolean; overload;
procedure DelteLastPanel;
procedure ArrangePanels;
function Count: integer;
function Panel(idx: integer): TBCExpandPanel;
property CollapseKind: TAnchorKind read FCollapseKind write setCollapseKind;
property ButtonPosition: TAnchorKind read FButtonPosition write setButtonPosition;
property ButtonGlyphLayout: TGlyphLayout read FButtonGlyphLayout write setButtonGlyphLayout;
property ButtonGlyphKind: TGlyphKind read FButtonGlyphKind write setButtonGlyphKind;
property ButtonStyle: TBCBoundButtonStyle read FButtonStyle write setButtonStyle;
property ButtonTabWidth: Integer read FButtonTabWidth write SetButtonTabWidth;
property ButtonTextLayout: TTextLayout read FButtonTextLayout write setButtonTextLayout;
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
{ Published-Deklarationen }
// property FixedHeight:integer read FFixedHeight write setFixedSize;
// property UseFixedHeight:boolean read FUseFixedHeight write setUseFixedSize;
// property UseClientHeight:boolean read FUseClientHeight write setUseClientSize;
// property AutoCollapseIfTooHigh:boolean read FAutoCollapseIfTooHigh write setAutoCollapseIfTooHigh;
property ArrangeKind: TAnchorKind read FArrangeKind write setArrangeKind;
property OnArrangePanels: TNotifyEvent read FOnArrangePanels write FOnArrangePanels;
property Behaviour: TBCExpandPanelsBehaviour read FBehaviour write setBehaviour;
end;
procedure Register;
implementation
uses GraphType, LCLProc;
const
//GrayScale a Color : Taken from BGRABitmap package
redWeightShl10 = 306; // = 0.299
greenWeightShl10 = 601; // = 0.587
blueWeightShl10 = 117; // = 0.114
procedure korrigiere(var w: real; min, max: real);
var
temp: real;
begin
if max < min then
begin
temp := min;
min := max;
max := temp;
end;
if w < min then
w := min;
if w > max then
w := max;
end;
//Function copied from BGRABitmap package may work ;-)
function Grayscale(AColor :TColor):TColor;
Var
rColor, gray :Integer;
begin
rColor :=ColorToRGB(AColor);
gray := (Red(rColor) * redWeightShl10 + Green(rColor) * greenWeightShl10 + Blue(rColor) * blueWeightShl10 + 512) shr 10;
Result :=RGBToColor(gray, gray, gray);
end;
function GetHighlightColor(BaseColor: TColor; Value:Integer): TColor;
Var
rColor :Integer;
begin
rColor :=ColorToRGB(BaseColor);
Result := RGBToColor(
Min(Red(rColor) + Value, $FF),
Min(Green(rColor) + Value, $FF),
Min(Blue(rColor) + Value, $FF));
end;
function GetShadowColor(BaseColor: TColor; Value:Integer): TColor;
Var
rColor :Integer;
begin
rColor :=ColorToRGB(BaseColor);
Result := RGBToColor(
Max(Red(rColor) - Value, $22),
Max(Green(rColor) - Value, $22),
Max(Blue(rColor) - Value, $22));
end;
//Canvas Draw Functions
procedure Frame3d_Rounded(Canvas: TCanvas;
var ARect: TRect; const FrameWidth : integer; RX, RY:Integer;
const Style : TGraphicsBevelCut;
ShadowColor, HighlightColor, InternalColor: TColor);
var
DRect: TRect;
procedure drawUP;
begin
inc(DRect.Left,1); inc(DRect.Top,1);
//is outside the Rect but in this way we don't have a hole of 1 px
inc(DRect.Right,1); inc(DRect.Bottom,1);
Canvas.Brush.Color :=ShadowColor;
Canvas.Brush.Style :=bsSolid;
Canvas.Pen.Color := clNone;
Canvas.Pen.Width := 1; //The Shadow is always 1 Pixel
Canvas.Pen.Style := psClear;
Canvas.RoundRect(DRect, RX,RY);
dec(DRect.Left,1); dec(DRect.Top,1);
dec(DRect.Right,2); dec(DRect.Bottom,2);
Canvas.Brush.Color :=InternalColor;
if (InternalColor = clNone)
then Canvas.Brush.Style :=bsClear
else Canvas.Brush.Style :=bsSolid;
Canvas.Pen.Color :=HighlightColor;
Canvas.Pen.Width := FrameWidth;
Canvas.Pen.Style := psSolid;
Canvas.RoundRect(DRect, RX,RY);
Inc(ARect.Top, FrameWidth);
Inc(ARect.Left, FrameWidth);
Dec(ARect.Right, FrameWidth+1); //+The Shadow (1 Pixel) +1?
Dec(ARect.Bottom, FrameWidth+1);
end;
procedure drawFLAT;
begin
Canvas.Brush.Color := InternalColor;
if (InternalColor = clNone)
then Canvas.Brush.Style :=bsClear
else Canvas.Brush.Style :=bsSolid;
Canvas.Pen.Color := clNone;
Canvas.Pen.Width := FrameWidth;
Canvas.Pen.Style := psClear;
Canvas.RoundRect(DRect, RX,RY);
end;
procedure drawDOWN;
begin
Canvas.Brush.Color :=ShadowColor;
Canvas.Brush.Style :=bsSolid;
Canvas.Pen.Color := clNone;
Canvas.Pen.Width := 1;
Canvas.Pen.Style := psClear;
Canvas.RoundRect(DRect, RX,RY);
inc(DRect.Left,1); inc(DRect.Top,1);
Canvas.Brush.Color :=InternalColor;
if (InternalColor = clNone)
then Canvas.Brush.Style :=bsClear
else Canvas.Brush.Style :=bsSolid;
Canvas.Pen.Color :=HighlightColor;
Canvas.Pen.Width := FrameWidth;
Canvas.Pen.Style := psSolid;
Canvas.RoundRect(DRect, RX,RY);
Inc(ARect.Top, FrameWidth+1); //+The Shadow (1 Pixel)
Inc(ARect.Left, FrameWidth+1);
Dec(ARect.Right, FrameWidth);
Dec(ARect.Bottom, FrameWidth);
end;
begin
DRect :=ARect;
Case Style of
bvNone: drawFLAT;
bvSpace: begin
drawFLAT;
InflateRect(ARect, -FrameWidth, -FrameWidth);
end;
bvRaised: drawUP;
bvLowered: drawDOWN;
end;
end;
procedure TBCBoundButton.SetColorHighlight(AValue: TColor);
begin
if (rColorHighlight <> AValue) then
begin
rColorHighlight := AValue;
if not(csLoading in ComponentState)
then Invalidate;
end;
end;
procedure TBCBoundButton.setColorExpanded(AValue: TColor);
begin
if (rColorExpanded <> AValue) then
begin
rColorExpanded := AValue;
if not(csLoading in ComponentState)
then Invalidate;
end;
end;
procedure TBCBoundButton.SetColorShadow(AValue: TColor);
begin
if (rColorShadow <> AValue) then
begin
rColorShadow := AValue;
if not(csLoading in ComponentState)
then Invalidate;
end;
end;
procedure TBCBoundButton.SetGlyphKind(AValue: TGlyphKind);
begin
if (rGlyphKind <> AValue) then
begin
rGlyphKind:=AValue;
if not(csLoading in ComponentState) then
begin
BuildGlyphs;
Invalidate;
end;
end;
end;
procedure TBCBoundButton.SetGlyphLayout(AValue: TGlyphLayout);
begin
if (rGlyphLayout <> AValue) then
begin
rGlyphLayout := AValue;
if not(csLoading in ComponentState) then
begin
BuildGlyphs;
Invalidate;
end;
end;
end;
procedure TBCBoundButton.SetStyle(AValue: TBCBoundButtonStyle);
begin
if (rStyle <> AValue) then
begin
rStyle:=AValue;
if not(csLoading in ComponentState)
then Invalidate;
end;
end;
procedure TBCBoundButton.SetTabWidth(AValue: Integer);
begin
if (rTabWidth <> AValue) then
begin
rTabWidth:=AValue;
if not(csLoading in ComponentState) and (rStyle = bbsTab)
then Invalidate;
end;
end;
procedure TBCBoundButton.SetTextLayout(AValue: TTextLayout);
begin
if (rTextLayout <> AValue) then
begin
rTextLayout := AValue;
if not(csLoading in ComponentState)
then Invalidate;
end;
end;
procedure TBCBoundButton.SetGlyphCollapsed(AValue: TBitmap);
begin
rUserGlyphCollapsed.Assign(AValue);
if not(csLoading in ComponentState) then
begin
BuildGlyphs;
Invalidate;
end;
end;
procedure TBCBoundButton.SetGlyphExpanded(AValue: TBitmap);
begin
rUserGlyphExpanded.Assign(AValue);
if not(csLoading in ComponentState) then
begin
BuildGlyphs;
Invalidate;
end;
end;
procedure TBCBoundButton.LoadGlyph(GlyphDST: TBitmap; ResName: String);
Var
rGlyphO: TPortableNetworkGraphic;
begin
rGlyphO :=TPortableNetworkGraphic.Create;
rGlyphO.LoadFromLazarusResource(ResName);
GlyphDST.Assign(rGlyphO);
FreeAndNil(rGlyphO);
end;
procedure TBCBoundButton.BuildGlyphs;
begin
if (rGlyphLayout <> glNone) then
begin
if (rUserGlyphCollapsed.Empty)
then Case rGlyphKind of
gkArrows: case TBCExpandPanel(Owner).CollapseKind of
akTop: LoadGlyph(rGlyphCollapsed, 'BCEXP_PANEL_BOTTOM');
akLeft: LoadGlyph(rGlyphCollapsed, 'BCEXP_PANEL_RIGHT');
akRight: LoadGlyph(rGlyphCollapsed, 'BCEXP_PANEL_LEFT');
akBottom: LoadGlyph(rGlyphCollapsed, 'BCEXP_PANEL_TOP');
end;
gkClose: LoadGlyph(rGlyphCollapsed, 'BCEXP_PANEL_CLOSE');
gkMinMax: if (TBCExpandPanel(Owner).CollapseKind in [akTop, akBottom])
then LoadGlyph(rGlyphCollapsed, 'BCEXP_PANEL_MAX_H')
else LoadGlyph(rGlyphCollapsed, 'BCEXP_PANEL_MAX_V');
end
else rGlyphCollapsed.Assign(rUserGlyphCollapsed);
if (rUserGlyphExpanded.Empty)
then Case rGlyphKind of
gkArrows: case TBCExpandPanel(Owner).CollapseKind of
akTop: LoadGlyph(rGlyphExpanded, 'BCEXP_PANEL_TOP');
akLeft: LoadGlyph(rGlyphExpanded, 'BCEXP_PANEL_LEFT');
akRight: LoadGlyph(rGlyphExpanded, 'BCEXP_PANEL_RIGHT');
akBottom: LoadGlyph(rGlyphExpanded, 'BCEXP_PANEL_BOTTOM');
end;
gkClose: LoadGlyph(rGlyphExpanded, 'BCEXP_PANEL_CLOSE');
gkMinMax: if (TBCExpandPanel(Owner).CollapseKind in [akTop, akBottom])
then LoadGlyph(rGlyphExpanded, 'BCEXP_PANEL_MIN_H')
else LoadGlyph(rGlyphExpanded, 'BCEXP_PANEL_MIN_V');
end
else rGlyphExpanded.Assign(rUserGlyphExpanded);
end;
end;
procedure TBCBoundButton.Paint;
var
paintRect, fRect :TRect;
xColor,
xHColor,
xSColor :TColor;
middleX,
middleY,
txtWidth,
txtLeft,
txtTop,
glyphLeft,
glyphTop :Integer;
xCaption :String;
FButtonPosition :TAnchorKind;
FCollapsed, Rounded :Boolean;
procedure drawGlyph(var ATop, ALeft :Integer);
var
AWidth, AHeight :Integer;
begin
AWidth :=paintRect.Right-paintRect.Left-2;
AHeight :=paintRect.Bottom-paintRect.Top-2;
if FCollapsed
then rGlyph.Glyph.Assign(rGlyphCollapsed)
else rGlyph.Glyph.Assign(rGlyphExpanded);
//We must Calculate the Real Position of the Glyph
Case FButtonPosition of
akTop,
akBottom : begin
if (rGlyphLayout = glLeft)
then begin
ALeft :=2;
ATop :=middleY-(rGlyph.Glyph.Height div 2);
end
else begin
ALeft :=AWidth-rGlyph.Glyph.Width;
ATop :=middleY-(rGlyph.Glyph.Height div 2);
end;
end;
akLeft :begin
if (rGlyphLayout = glLeft)
then begin //Really on Bottom of paintRect
ALeft :=middleX-(rGlyph.Glyph.Width div 2);
ATop :=AHeight-rGlyph.Glyph.Height;
end
else begin //Really on Top of paintRect
ALeft :=middleX-(rGlyph.Glyph.Width div 2);
ATop :=2;
end;
end;
akRight :begin
if (rGlyphLayout = glLeft)
then begin //Really on Top of paintRect
ALeft :=middleX-(rGlyph.Glyph.Width div 2);
ATop :=2;
end
else begin //Really on Bottom of paintRect
ALeft :=middleX-(rGlyph.Glyph.Width div 2);
ATop :=AHeight-rGlyph.Glyph.Height;
end;
end;
end;
rGlyph.Draw(Canvas, paintRect, point(ALeft, ATop), FState, true, 0);
end;
procedure drawBtn(const ABorderStyle : TGraphicsBevelCut);
var
xTabWidth,
tY, tX: Integer;
begin
Case rStyle of
bbsButton: Frame3d_Rounded(Canvas, paintRect, 1, 5, 5, ABorderStyle, xSColor, xHColor, xColor);
bbsTab: begin
fRect :=paintRect;
Case FButtonPosition of
akTop : begin
//If rTabWidth is Negative Calculate the Tab Width
if (rTabWidth < 0)
then xTabWidth :=(fRect.Right-fRect.Left)*-rTabWidth div 100
else xTabWidth :=rTabWidth;
inc(paintRect.Left, middleX-(xTabWidth div 2));
paintRect.Right:=paintRect.Left+xTabWidth;
Frame3d_Rounded(Canvas, paintRect, 1, 5, 5, ABorderStyle, xSColor, xHColor, xColor);
tY :=fRect.Bottom-2;
Canvas.Pen.Style:=psSolid;
Canvas.Pen.Width:=1;
Canvas.Pen.Color :=xHColor;
if Rounded
then Canvas.MoveTo(2, tY)
else Canvas.MoveTo(0, tY);
Canvas.LineTo(paintRect.Left-3, tY);
Canvas.LineTo(paintRect.Left, tY-3);
if Rounded
then Canvas.MoveTo(fRect.Right-4, tY)
else Canvas.MoveTo(fRect.Right, tY);
Canvas.LineTo(paintRect.Right+2, tY);
Canvas.LineTo(paintRect.Right-1, tY-3);
Canvas.Pen.Color :=xColor;
Canvas.MoveTo(paintRect.Left-2, tY);
Canvas.LineTo(paintRect.Right+2, tY);
dec(tY);
Canvas.MoveTo(paintRect.Left-1, tY);
Canvas.LineTo(paintRect.Right+1, tY);
tY :=fRect.Bottom-1;
if FCollapsed then Canvas.Pen.Color :=xSColor;
if Rounded
then begin
Canvas.MoveTo(fRect.Left+2, tY);
Canvas.LineTo(fRect.Right-3, tY);
end
else begin
Canvas.MoveTo(fRect.Left, tY);
Canvas.LineTo(fRect.Right, tY);
end;
end;
akBottom : begin
if (rTabWidth < 0)
then xTabWidth :=(fRect.Right-fRect.Left)*-rTabWidth div 100
else xTabWidth :=rTabWidth;
inc(paintRect.Left, middleX-(xTabWidth div 2));
paintRect.Right:=paintRect.Left+xTabWidth;
dec(paintRect.Top);
Frame3d_Rounded(Canvas, paintRect, 1, 5, 5, ABorderStyle, xSColor, xHColor, xColor);
Canvas.Pen.Style:=psSolid;
Canvas.Pen.Width:=1;
Canvas.Pen.Color :=xHColor;
if Rounded
then Canvas.MoveTo(2, 1)
else Canvas.MoveTo(0, 1);
Canvas.LineTo(paintRect.Left-3, 1);
Canvas.LineTo(paintRect.Left, 4);
if Rounded
then Canvas.MoveTo(fRect.Right-4, 1)
else Canvas.MoveTo(fRect.Right, 1);
Canvas.LineTo(paintRect.Right+2, 1);
Canvas.LineTo(paintRect.Right-1, 4);
Canvas.Pen.Color :=xColor;
Canvas.MoveTo(paintRect.Left-2, 1);
Canvas.LineTo(paintRect.Right+2, 1);
Canvas.MoveTo(paintRect.Left-1, 2);
Canvas.LineTo(paintRect.Right+1, 2);
if FCollapsed then Canvas.Pen.Color :=xSColor;
if Rounded
then begin
Canvas.MoveTo(fRect.Left+2, 0);
Canvas.LineTo(fRect.Right-3, 0);
end
else begin
Canvas.MoveTo(fRect.Left, 0);
Canvas.LineTo(fRect.Right, 0);
end;
end;
akLeft : begin
if (rTabWidth < 0)
then xTabWidth :=(fRect.Bottom-fRect.Top)*-rTabWidth div 100
else xTabWidth :=rTabWidth;
inc(paintRect.Top, middleY-(xTabWidth div 2));
paintRect.Bottom:=paintRect.Top+xTabWidth;
Frame3d_Rounded(Canvas, paintRect, 1, 5, 5, ABorderStyle, xSColor, xHColor, xColor);
tX :=fRect.Right-2;
Canvas.Pen.Style:=psSolid;
Canvas.Pen.Width:=1;
Canvas.Pen.Color :=xHColor;
if Rounded
then Canvas.MoveTo(tX, 2)
else Canvas.MoveTo(tX, 0);
Canvas.LineTo(tX, paintRect.Top-3);
Canvas.LineTo(tX-3, paintRect.Top);
if Rounded
then Canvas.MoveTo(tX, fRect.Bottom-4)
else Canvas.MoveTo(tX, fRect.Bottom);
Canvas.LineTo(tX, paintRect.Bottom+2);
Canvas.LineTo(tX-3, paintRect.Bottom-1);
Canvas.Pen.Color :=xColor;
Canvas.MoveTo(tX, paintRect.Top-2);
Canvas.LineTo(tX, paintRect.Bottom+2);
dec(tX);
Canvas.MoveTo(tX, paintRect.Top-1);
Canvas.LineTo(tX, paintRect.Bottom+1);
tX :=fRect.Right-1;
if FCollapsed then Canvas.Pen.Color :=xSColor;
if Rounded
then begin
Canvas.MoveTo(tX, fRect.Top+2);
Canvas.LineTo(tX, fRect.Bottom-3);
end
else begin
Canvas.MoveTo(tX, fRect.Top);
Canvas.LineTo(tX, fRect.Bottom);
end;
end;
akRight : begin
if (rTabWidth < 0)
then xTabWidth :=(fRect.Bottom-fRect.Top)*-rTabWidth div 100
else xTabWidth :=rTabWidth;
inc(paintRect.Top, middleY-(xTabWidth div 2));
paintRect.Bottom:=paintRect.Top+xTabWidth;
dec(paintRect.Left);
Frame3d_Rounded(Canvas, paintRect, 1, 5, 5, ABorderStyle, xSColor, xHColor, xColor);
Canvas.Pen.Style:=psSolid;
Canvas.Pen.Width:=1;
Canvas.Pen.Color :=xHColor;
if Rounded
then Canvas.MoveTo(1, 2)
else Canvas.MoveTo(1, 0);
Canvas.LineTo(1, paintRect.Top-3);
Canvas.LineTo(4, paintRect.Top);
if Rounded
then Canvas.MoveTo(1, fRect.Bottom-4)
else Canvas.MoveTo(1, fRect.Bottom);
Canvas.LineTo(1, paintRect.Bottom+2);
Canvas.LineTo(4, paintRect.Bottom-1);
Canvas.Pen.Color :=xColor;
Canvas.MoveTo(1, paintRect.Top-2);
Canvas.LineTo(1, paintRect.Bottom+2);
Canvas.MoveTo(2, paintRect.Top-1);
Canvas.LineTo(2, paintRect.Bottom+1);
if FCollapsed then Canvas.Pen.Color :=xSColor;
if Rounded
then begin
Canvas.MoveTo(0, fRect.Top+2);
Canvas.LineTo(0, fRect.Bottom-3);
end
else begin
Canvas.MoveTo(0, fRect.Top);
Canvas.LineTo(0, fRect.Bottom);
end;
end;
end;
end;
end;
end;
procedure drawText;
Var
DTop, DLeft,
AWidth, AHeight,
txtH :Integer;
procedure CalcCuttedCaption(MaxWidth :Integer);
Var
txtMaxChars :Integer;
begin
txtWidth :=0;
if (MaxWidth < Canvas.TextWidth('...'))
then xCaption :=''
else begin
txtMaxChars :=Canvas.TextFitInfo(xCaption, MaxWidth);
txtWidth :=Canvas.TextWidth(xCaption);
while (txtWidth > MaxWidth) do
begin
dec(txtMaxChars, 3); //-1 Chars fit better, -3 Chars for more speed
xCaption :=Copy(xCaption, 0, txtMaxChars)+'...';
txtWidth :=Canvas.TextWidth(xCaption);
end;
end;
(* Original Code, Test Speed
if (txtW > AWidth)
then begin
txtMaxChars :=Canvas.TextFitInfo(xCaption, AWidth);
xCaption :=Copy(xCaption, 0, txtMaxChars-3)+'...';
txtW :=Canvas.TextWidth(xCaption);
if (txtW > AWidth)
then xCaption :='';
end;
*)
end;
begin
txtH :=Canvas.TextHeight(xCaption);
AWidth :=paintRect.Right-paintRect.Left-2;
AHeight :=paintRect.Bottom-paintRect.Top-2;
Case FButtonPosition of
akTop,
akBottom : begin
Canvas.Font.Orientation := 0;
txtTop :=middleY-(txtH div 2);
if (rGlyphLayout <> glNone) then
begin
if (rTextLayout = tlCenter)
then dec(AWidth, rGlyph.Glyph.Width*2+4)
else dec(AWidth, rGlyph.Glyph.Width+2)
end;
CalcCuttedCaption(AWidth);