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Last change
on this file was 554, checked in by chronos, 3 weeks ago |
- Added: TButtonG class as a button class component referencing TGraphicSet item.
- Modified: Code cleanup.
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File size:
1.1 KB
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| 1 | unit ButtonC;
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| 2 |
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| 3 | interface
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| 4 |
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| 5 | uses
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| 6 | ButtonBase, Classes, Graphics, LCLIntf, LCLType, ScreenTools;
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| 7 |
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| 8 | type
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| 9 | TButtonC = class(TButtonBase)
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| 10 | constructor Create(AOwner: TComponent); override;
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| 11 | private
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| 12 | FIndex: Integer;
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| 13 | procedure SetIndex(Text: Integer);
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| 14 | protected
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| 15 | procedure Paint; override;
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| 16 | published
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| 17 | property Visible;
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| 18 | property ButtonIndex: Integer read FIndex write SetIndex;
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| 19 | property OnClick;
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| 20 | end;
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| 21 |
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| 22 | procedure Register;
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| 23 |
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| 24 |
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| 25 | implementation
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| 26 |
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| 27 | procedure Register;
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| 28 | begin
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| 29 | RegisterComponents('C-evo', [TButtonC]);
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| 30 | end;
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| 31 |
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| 32 | constructor TButtonC.Create(AOwner: TComponent);
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| 33 | begin
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| 34 | inherited;
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| 35 | ShowHint := True;
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| 36 | SetBounds(0, 0, 12, 12);
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| 37 | end;
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| 38 |
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| 39 | procedure TButtonC.Paint;
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| 40 | begin
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| 41 | with Canvas do
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| 42 | if FGraphic <> nil then
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| 43 | BitBltCanvas(Canvas, 0, 0, 12, 12, FGraphic.Canvas,
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| 44 | 169 + 13 * Byte(FDown), 159 + 13 * FIndex)
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| 45 | else
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| 46 | begin
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| 47 | Brush.Color := $0000FF;
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| 48 | FrameRect(Rect(0, 0, 12, 12));
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| 49 | end;
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| 50 | end;
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| 51 |
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| 52 | procedure TButtonC.SetIndex(Text: Integer);
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| 53 | begin
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| 54 | if Text <> FIndex then
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| 55 | begin
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| 56 | FIndex := Text;
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| 57 | Invalidate;
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| 58 | end;
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| 59 | end;
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| 60 |
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| 61 | end.
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