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RackCtls.pas
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RackCtls.pas
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{%encoding ISO-8859-1}
unit RackCtls;
{ RackControls:
TLEDButton, TButtonPanel, TScrewPanel, TLEDDisplay, TLEDMeter
(C)opyright 2004 Version 1.20
Autor : Simon Reinhardt
eMail : [email protected]
Internet : http://www.picsoft.de
RackControls ist eine Komponentensammlung zur Erstellung von
Audiorack-ähnlichen Oberflächen. Diese Komponenten sind
Public Domain, das Urheberrecht liegt aber beim Autor.
Die Komponente TLEDDisplay ist eine Weiterentwicklung
der Komponente TLCDDisplay von Luis Iglesias:
Änderungen, die bei LEDDisplay nachfolgende Nullen bei LeadingZeros=False doch zeichnet
Ergänzt von Wolfgang Kleinrath
Eigenschaft FSingleLED ergänzt von U. Conrad
Lazarus adaptation: Luca Olivetti <[email protected]>
}
interface
{$I SRDefine.inc}
uses
{$IFDEF SR_LAZARUS} LCLType, LCLIntf, LResources, LMessages, Buttons,
{$ELSE}
{$IFDEF SR_Win32} Windows, {$ELSE} WinTypes, WinProcs, Menus, Messages, {$ENDIF}
{$ENDIF}
Classes, Graphics, Controls, ExtCtrls, SysUtils, Forms;
type
{$IFNDEF SR_LAZARUS}
TBorderStyle = (bsNone, bsSingle);
{$ENDIF}
TButtonDirection = (bdBottomUp, bdLeftUp, bdNone, bdRightUp, bdTopUp);
TContrast = 0..9;
TDecSeparator = (dsApostrophe, dsComma, dsDoublePoint, dsHyphen, dsNone, dsPoint, dsSemicolon);
TLEDStates = (lsOff, lsOn);
TMeterDirection = (mdDown, mdLeft, mdRight, mdUp);
TNumGlyphs = 0..4;
TScrewSize = 1..8;
TSegmentStyle = (ssRectangular, ssBeveled);
TTextPosition = (tpAbove, tpBelow, tpNone, tpOnButton);
TLEDMeter = class;
TLEDMeterColors = class(TPersistent)
private
FBorder,
FSection1,
FSection2,
FSection3 : TColor;
FOwner : TLEDMeter;
procedure SetBorder(NewValue: TColor);
procedure SetSection1(NewValue: TColor);
procedure SetSection2(NewValue: TColor);
procedure SetSection3(NewValue: TColor);
public
constructor Create(AOwner: TComponent);
procedure Assign(Source : TPersistent); override;
published
property Border: TColor read FBorder write SetBorder;
property Section1: TColor read FSection1 write SetSection1;
property Section2: TColor read FSection2 write SetSection2;
property Section3: TColor read FSection3 write SetSection3;
end;
TLEDButton = class(TGraphicControl)
private
FBeveled: boolean;
FBorderStyle: TBorderStyle;
FButtonDirection: TButtonDirection;
FColor: TColor;
FColorHighlight: TColor;
FColorLED: TColor;
FColorLEDOff: TColor;
FColorShadow: TColor;
FDepth: integer;
FDown: boolean;
FFont: TFont;
FGlyph: {$IFDEF SR_LAZARUS} TButtonGlyph {$ELSE} TBitmap {$ENDIF};
FLEDContrast: TContrast;
{$IFNDEF SR_LAZARUS}
FNumGlyphs: TNumGlyphs;
{$ENDIF}
FShowLED: boolean;
FStateOn: boolean;
FSwitching: boolean;
FTextPosition: TTextPosition;
{$IFNDEF SR_LAZARUS}
FMouseDown: boolean;
FOnClick: TNotifyEvent;
{$ENDIF}
protected
procedure Paint; override;
procedure MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
override;
procedure MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
override;
{$IFDEF SR_LAZARUS}
procedure MouseLeave; override;
{$ENDIF}
procedure SetBeveled(newValue: boolean);
procedure SetBorderStyle(newBorderStyle: TBorderStyle);
procedure SetButtonDirection(NewDirection: TButtonDirection);
procedure SetColor(newColor: TColor); {$IFDEF SR_LAZARUS}override;{$ENDIF}
procedure SetColorLED(newColor: TColor);
procedure SetDepth(newValue: integer);
procedure SetFont(newFont: TFont);
{$IFDEF SR_LAZARUS}
function GetGlyph: TBitmap;
function GetNumGlyphs: TNumGlyphs;
{$ENDIF}
procedure SetGlyph(newGlyph: TBitmap);
procedure SetLEDContrast(newContrast: TContrast);
procedure SetNumGlyphs(newNumGlyphs: TNumGlyphs);
procedure SetShowLED(newValue: boolean);
procedure SetStateOn(newValue: boolean);
procedure SetTextPosition(newValue: TTextPosition);
procedure DrawBorder(Dest:TRect);
procedure DrawCaption(Dest:TRect);
procedure DrawGlyph(Dest:TRect);
procedure DrawLED(var Dest:TRect);
{$IFDEF SR_LAZARUS}
function DialogChar(var Message: TLMKey):boolean;override;
procedure TextChanged;override;
{$ENDIF}
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
{$IFNDEF SR_LAZARUS}
procedure CMTextChanged(var msg: TMessage);message CM_TEXTCHANGED;
procedure CMDialogChar(var Message: TCMDialogChar);message CM_DIALOGCHAR;
{$ENDIF}
published
{$IFDEF SR_Delphi5_Up}
property Action;
property Anchors;
{$ENDIF}
property Beveled: boolean read FBeveled write SetBeveled;
property BorderStyle: TBorderStyle read FBorderStyle write SetBorderStyle;
property ButtonDirection: TButtonDirection read FButtonDirection write SetButtonDirection;
property Caption;
property Color: TColor read FColor write SetColor default clGray;
property ColorLED: TColor read FColorLED write SetColorLED;
property Depth: integer read FDepth write SetDepth;
property Enabled;
property Font: TFont read FFont write SetFont;
property Glyph: TBitmap read {$IFDEF SR_LAZARUS} GetGlyph {$ELSE} FGlyph {$ENDIF} write SetGlyph;
property LEDContrast: TContrast read FLEDContrast write SetLEDContrast;
property NumGlyphs: TNumGlyphs read {$IFDEF SR_LAZARUS} GetNumGlyphs {$ELSE} FNumGlyphs {$ENDIF} write SetNumGlyphs default 1;
property ParentFont;
property ParentShowHint;
{$IFDEF SR_Delphi3_Up}
property PopupMenu;
{$ENDIF}
property ShowHint;
property ShowLED: boolean read FShowLED write SetShowLED;
property StateOn: boolean read FStateOn write SetStateOn;
property Switching: boolean read FSwitching write FSwitching default true;
property TextPosition: TTextPosition read FTextPosition write SetTextPosition default tpNone;
property Visible;
property OnClick;
property OnDblClick;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
end;
{$IFDEF SR_LAZARUS}
//Lazarus already has a TButtonPanel in its standard components collection
TLedButtonPanel = class(TCustomPanel)
{$ELSE}
TButtonPanel = class(TCustomPanel)
{$ENDIF}
private
FBeveled: boolean;
FBorderStyle: TBorderStyle;
FColor: TColor;
FColorHighlight: TColor;
FColorShadow: TColor;
FDepth: integer;
FPanelDirection: TButtonDirection;
FShowLED: boolean;
protected
procedure Paint; override;
procedure SetBeveled(newValue: boolean);
procedure SetBorderStyle(newBorderStyle: TBorderStyle); {$IFDEF SR_LAZARUS}override;{$ENDIF}
procedure SetColor(newColor: TColor); {$IFDEF SR_LAZARUS}override;{$ENDIF}
procedure SetDepth(newValue: integer);
procedure SetPanelDirection(NewDirection: TButtonDirection);
procedure SetShowLED(newValue: boolean);
procedure DrawBorder(Dest:TRect);
procedure DrawCaption(Dest:TRect);
procedure DrawLED(var Dest:TRect);
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
property Align;
property Alignment;
{$IFDEF SR_Delphi5_Up}
property Anchors;
{$ENDIF}
property Beveled: boolean read FBeveled write SetBeveled;
property BorderStyle: TBorderStyle read FBorderStyle write SetBorderStyle;
property Caption;
property Color: TColor read FColor write SetColor default clGray;
{$IFNDEF SR_LAZARUS}
property Ctl3D;
{$ENDIF}
property Depth: integer read FDepth write SetDepth;
property DragCursor;
property DragMode;
property Enabled;
{$IFDEF SR_Delphi3_Up}
property FullRepaint;
{$ENDIF}
property Font;
{$IFNDEF SR_LAZARUS}
property Locked;
{$ENDIF}
property PanelDirection: TButtonDirection read FPanelDirection write SetPanelDirection;
property ParentColor;
{$IFNDEF SR_LAZARUS}
property ParentCtl3D;
{$ENDIF}
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ShowHint;
property ShowLED: boolean read FShowLED write SetShowLED;
property TabOrder;
property TabStop;
property Visible;
property OnClick;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnResize;
{$IFDEF SR_Delphi3_Up}
property OnStartDrag;
{$ENDIF}
end;
TScrewPanel = class(TCustomPanel)
private
FColor: TColor;
FColorHighlight: TColor;
FColorShadow: TColor;
FMargin: integer;
FScrewSize: TScrewSize;
FShowScrews: boolean;
protected
procedure Paint; override;
procedure SetColor(newColor: TColor); {$IFDEF SR_LAZARUS}override;{$ENDIF}
procedure SetMargin(newValue: integer);
procedure SetScrewSize(newValue: TScrewSize);
procedure SetShowScrews(newValue: boolean);
procedure DrawScrew(X,Y:integer);
procedure DrawBevel(ARect:TRect;Raised:boolean);
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
property Align;
property Alignment;
{$IFDEF SR_Delphi5_Up}
property Anchors;
{$ENDIF}
property BevelInner;
property BevelOuter;
property BevelWidth;
property BorderWidth;
property BorderStyle;
property Caption;
property Color: TColor read FColor write SetColor;
{$IFNDEF SR_LAZARUS}
property Ctl3D;
{$ENDIF}
property DragCursor;
property DragMode;
property Enabled;
{$IFDEF SR_Delphi3_Up}
property FullRepaint;
{$ENDIF}
property Font;
{$IFNDEF SR_LAZARUS}
property Locked;
{$ENDIF}
property Margin: integer read FMargin write SetMargin;
property ParentColor;
{$IFNDEF SR_LAZARUS}
property ParentCtl3D;
{$ENDIF}
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ScrewSize: TScrewSize read FScrewSize write SetScrewSize;
property ShowHint;
property ShowScrews: boolean read FShowScrews write SetShowScrews;
property TabOrder;
property TabStop;
property Visible;
property OnClick;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnResize;
{$IFDEF SR_Delphi3_Up}
property OnStartDrag;
{$ENDIF}
end;
{ TLEDDisplay }
TLEDDisplay = class(TGraphicControl)
private
FBevelStyle : TPanelBevel;
FBorderStyle : TBorderStyle;
FColorBackGround,
FColorLED : TColor;
FDecSeparator : TDecSeparator;
FDigit : array [0..15] of TBitmap;
FDigitHeight : integer;
FDigitShapeColor : TColor;
FDigitWidth : integer;
FDrawDigitShapes : boolean;
FFractionDigits : integer;
FLEDContrast : TContrast;
FSegmentOffColor : TColor;
FLineWidth,
FNumDigits : integer;
FLeadingZeros : boolean;
FSegCl : array [0..15, 1..7] of TColor;
FSegmentStyle : TSegmentStyle;
FHex : boolean;
FValue : extended;
FOnChange : TNotifyEvent;
procedure SetBevelStyle (newValue: TPanelBevel);
procedure SetBorderStyle (newValue: TBorderStyle);
procedure SetColorBackGround (newValue: TColor);
procedure SetColorLED (newValue: TColor);
procedure SetDecSeparator (newValue: TDecSeparator);
procedure SetDigitHeight (newValue: integer);
procedure SetDigitWidth (newValue: integer);
procedure SetDrawDigitShapes(newValue: boolean);
procedure SetFractionDigits (newValue: integer);
procedure SetLeadingZeros (newValue: boolean);
procedure SetLEDContrast(newContrast: TContrast);
procedure SetLineWidth (newValue: integer);
procedure SetNumDigits (newValue: integer);
procedure SetSegmentStyle (newValue: TSegmentStyle);
procedure SetValue (newValue: extended);
procedure SetHex (newValue: boolean);
procedure CreateDigitBitmaps;
procedure AssignColors (seg: integer; s1,s2,s3,s4,s5,s6,s7: Boolean);
protected
procedure Paint; override;
procedure Change; dynamic;
public
constructor Create (AOwner: TComponent); override;
destructor Destroy; override;
published
{$IFDEF SR_Delphi5_Up}
property Anchors;
{$ENDIF}
property BevelStyle: TPanelBevel read FBevelStyle write SetBevelStyle;
property BorderStyle: TBorderStyle read FBorderStyle write SetBorderStyle;
property ColorBackGround: TColor read FColorBackGround write setColorBackGround default clOlive;
property ColorLED: TColor read FColorLED write setColorLED default cllime;
property DecSeparator: TDecSeparator read FDecSeparator write setDecSeparator default dsComma;
property DigitHeight: integer read FDigitHeight write setDigitHeight default 30;
property DigitWidth: integer read FDigitWidth write setDigitWidth default 20;
property DigitLineWidth: integer read FLineWidth write setLineWidth default 3;
property DrawDigitShapes: boolean read FDrawDigitShapes write SetDrawDigitShapes default true;
property FractionDigits: integer read FFractionDigits write setFractionDigits default 0;
property Height default 36;
property LeadingZeros: boolean read FLeadingZeros write setLeadingZeros default true;
property LEDContrast: TContrast read FLEDContrast write SetLEDContrast;
property NumDigits: integer read FNumDigits write setNumDigits default 6;
property SegmentStyle: TSegmentStyle read FSegmentStyle write setSegmentStyle default ssBeveled;
property Hex: boolean read FHex write SetHex default false;
property Value: extended read FValue write setValue;
property Visible;
property Width default 168;
property OnChange: TNotifyEvent read FOnChange write FOnChange;
property OnClick;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEndDrag;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
end;
TLEDMeter = class(TGraphicControl)
private
FBevelStyle : TPanelBevel;
FColors : TLEDMeterColors;
FColor1Off,
FColor2Off,
FColor3Off : TColor;
FDirection : TMeterDirection;
FFallbackDelay : byte;
FFallbackTimer : TTimer;
FLEDContrast : TContrast;
FLEDPosition,
FMax,FMin,
FNumDigits,
FPeakPosition : integer;
FPeakShowTime : TDateTime;
FPeakHoldTime : byte;
FPosition,
FSection2Value,
FSection3Value : integer;
FSingleLED : boolean;
FOnChange : TNotifyEvent;
procedure CalculateOffColors;
procedure SetBevelStyle(newVal : TPanelBevel);
procedure SetColors(newVal: TLEDMeterColors);
procedure SetDirection(newVal : TMeterdirection);
procedure SetFallbackDelay(newVal : byte);
procedure SetLEDContrast(newContrast: TContrast);
procedure SetMax(newVal : integer);
procedure SetMin(newVal : integer);
procedure SetNumDigits(newVal : integer);
procedure SetPosition(newVal : integer);
procedure SetSingleLED(newVal : boolean);
procedure SetSection2Value(newVal : integer);
procedure SetSection3Value(newVal : integer);
protected
procedure Paint;override;
procedure Change; dynamic;
function GetLEDColor(const AIndex,YellowIdx,RedIdx:integer;const LEDState:TLEDStates):TColor;
procedure TimerExpired(Sender: TObject);
public
constructor Create(AOwner : TComponent);override;
destructor Destroy ; override;
published
{$IFDEF SR_Delphi5_Up}
property Anchors;
{$ENDIF}
property BevelStyle: TPanelBevel read FBevelStyle write SetBevelStyle;
property Colors : TLEDMeterColors read FColors write SetColors;
property Cursor;
property Direction: TMeterDirection read FDirection write SetDirection default mdRight;
property DragCursor;
property DragMode;
property FallbackDelay: byte read FFallbackDelay write SetFallbackDelay;
property LEDContrast: TContrast read FLEDContrast write SetLEDContrast;
property Max: integer read FMax write SetMax;
property Min: integer read FMin write SetMin;
property NumDigits: integer read FNumDigits write SetNumDigits;
property PeakHoldTime: byte read FPeakHoldTime write FPeakHoldTime;
property Position: integer read FPosition write SetPosition;
property SingleLED: boolean read FSingleLED write SetSingleLED;
property Section2Value: integer read FSection2Value write SetSection2Value;
property Section3Value: integer read FSection3Value write SetSection3Value;
property Visible;
property OnChange: TNotifyEvent read FOnChange write FOnChange;
property OnClick;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEndDrag;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
end;
procedure Register;
implementation
{$IFDEF SR_LAZARUS}
uses rrColors;
{$ELSE}
{$IFDEF SR_Delphi2_Up}
{$R *.D32}
uses rrColors {$IFNDEF SR_Delphi5_Up}, SRUtils{$ENDIF};
{$ELSE}
{$R *.D16}
uses SRUtils;
{$ENDIF}
{$ENDIF}
const
DefaultWidth = 45;
DefaultHeight = 45;
DefaultDepth = 3;
FHLContrast = 5;
FShContrast = 4;
FShapeContrast = 3;
function IsAccellerator(VK: Word; const Str: string): Boolean;
var P : Integer;
begin
P:=Pos('&', Str);
Result:=(P <> 0) and (P < Length(Str)) and
(Upcase(Str[P + 1])=Upcase(Char(VK)));
end; {IsAccellerator}
{$IFDEF SR_Delphi1}
function ChangeBrightness(Color:TColor;Percentage:longint):TColor;
var RGBColor : longint;
Red,Green,Blue : byte;
NewR,NewG,NewB : longint;
Overflow : longint;
begin
RGBColor:=ColorToRGB(Color);
Overflow:=0;
{ Rot }
Red:=GetRValue(RGBColor);
NewR:=Red+(Percentage*Red div 100);
if NewR>255 then begin
Overflow:=NewR-255;
NewG:=Overflow;
NewB:=Overflow;
end
else begin
NewG:=0;
NewB:=0;
end;
{ Grün }
Green:=GetGValue(RGBColor);
NewG:=NewG+Green+(Percentage*Green div 100);
if NewG>255 then begin
Overflow:=NewG-255;
NewR:=NewR+Overflow;
NewB:=Overflow;
end;
{ Blau }
Blue:=GetBValue(RGBColor);
NewB:=NewB+Blue+(Percentage*Blue div 100);
if NewB>255 then begin
Overflow:=NewB-255;
if NewG<=255 then
NewR:=NewR+Overflow;
end;
if NewR>255 then
NewR:=255;
if NewG>255 then
NewG:=255;
if NewB>255 then
NewB:=255;
if NewR<0 then
NewR:=0;
if NewG<0 then
NewG:=0;
if NewB<0 then
NewB:=0;
Result:=NewR+(NewG shl 8)+(NewB shl 16);
end; {ChangeBrightness}
{$ENDIF}
function GetIntermediateColor(Color1,Color2:TColor;AContrast:integer):TColor;
{$IFDEF SR_Delphi2_Up}
var YR,YG,YB,SR,
SG,SB,DR,DG,DB,
StartClr,EndClr : integer;
{$ENDIF}
begin
{$IFDEF SR_Delphi1}
Result:=ChangeBrightness(Color1, -100 div 10*AContrast);
{$ELSE}
StartClr:=ColorToRGB(Color1);
{$IFDEF SR_LAZARUS}
YR := Red(StartClr);
YG := Green(StartClr);
YB := Blue(StartClr);
{$ELSE}
YR := GetRValue(StartClr);
YG := GetGValue(StartClr);
YB := GetBValue(StartClr);
{$ENDIF}
SR := YR;
SG := YG;
SB := YB;
EndClr:=ColorToRGB(Color2);
{$IFDEF SR_LAZARUS}
DR := Red(EndClr)-SR;
DG := Green(EndClr)-SG;
DB := Blue(EndClr)-SB;
{$ELSE}
DR := GetRValue(EndClr)-SR;
DG := GetGValue(EndClr)-SG;
DB := GetBValue(EndClr)-SB;
{$ENDIF}
YR := SR + round(DR / 9 * AContrast);
YG := SG + round(DG / 9 * AContrast);
YB := SB + round(DB / 9 * AContrast);
{$IFDEF SR_LAZARUS}
Result := RGBToColor( YR, YG, YB);
{$ELSE}
Result := RGB( YR, YG, YB);
{$ENDIF}
{$ENDIF}
end; {GetIntermediateColor}
function GetOffColor(const OnColor:TColor;const AContrast:TContrast):TColor;
var Dummy : TCOlor;
begin
{$IFDEF SR_Delphi1}
Result:=ChangeBrightness(OnColor, -100 div 10*AContrast);
{$ELSE}
Get3DColors(OnColor, Dummy, Result,(10-AContrast)/10,(10-AContrast)/10);
{$ENDIF}
end; {CalculateOffColor}
procedure AssignBevelColors(FaceColor:TColor;var HighlightColor,ShadowColor:TColor;HLContrast,ShContrast:integer);
begin
{$IFDEF SR_Delphi1}
HighlightColor:=ChangeBrightness(FaceColor,100 div 10*HLContrast);
ShadowColor:=ChangeBrightness(FaceColor,-100 div 10*ShContrast);
{$ELSE}
Get3DColors(FaceColor,HighlightColor,ShadowColor,(10-HLContrast)/10,(10-ShContrast)/10);
{$ENDIF}
end; {AssignBevelColors}
{ Klasse TLEDMeterColors }
constructor TLEDMeterColors.Create(AOwner: TComponent);
begin
inherited Create;
if AOwner is TLEDMeter then
FOwner := TLEDMeter(AOwner)
else
FOwner:=nil;
FBorder:=clBlack;
FSection1:=clLime;
FSection2:=clYellow;
FSection3:=clRed;
end;
procedure TLEDMeterColors.Assign(Source: TPersistent);
begin
Border:=TLEDMeterColors(Source).Border;
Section1:=TLEDMeterColors(Source).Section1;
Section2:=TLEDMeterColors(Source).Section2;
Section3:=TLEDMeterColors(Source).Section3;
end;
procedure TLEDMeterColors.SetBorder(NewValue: TColor);
begin
if NewValue<>FBorder then begin
FBorder:=NewValue;
if Assigned(FOwner) then
FOwner.Invalidate;
end;
end;
procedure TLEDMeterColors.SetSection1(NewValue: TColor);
begin
if NewValue<>FSection1 then begin
FSection1:=NewValue;
if Assigned(FOwner) then
FOwner.CalculateOffColors;
end;
end;
procedure TLEDMeterColors.SetSection2(NewValue: TColor);
begin
if NewValue<>FSection2 then begin
FSection2:=NewValue;
if Assigned(FOwner) then
FOwner.CalculateOffColors;
end;
end;
procedure TLEDMeterColors.SetSection3(NewValue: TColor);
begin
if NewValue<>FSection3 then begin
FSection3:=NewValue;
if Assigned(FOwner) then
FOwner.CalculateOffColors;
end;
end;
{ Komponente TLEDButton }
constructor TLEDButton.Create(AOwner: TComponent);
var Dummy : TColor;
begin
inherited Create(AOwner);
{ Vorgabewerte setzen }
FBeveled:=true;
FBorderStyle:=bsSingle;
FButtonDirection:=bdBottomUp;
Color:=clGray;
AssignBevelColors(Color,FColorHighlight,FColorShadow,FHLContrast,FShContrast);
FColorLED:=clBlue;
FLEDContrast:=6;
AssignBevelColors(FColorLED,Dummy,FColorLEDOff,FLEDContrast,FLEDContrast);
FDepth:=DefaultDepth;
FDown:=false;
FFont:=TFont.Create;
{$IFDEF SR_LAZARUS}
FGlyph:=TButtonGlyph.Create;
{$ELSE}
FGlyph:=TBitmap.Create;
FNumGlyphs:=1;
{$ENDIF}
FShowLED:=true;
FStateOn:=false;
FSwitching:=true;
FTextPosition:=tpNone;
Height:=DefaultHeight;
Width:=DefaultWidth;
{$IFNDEF SR_LAZARUS}
FMouseDown:=False;
{$ENDIF}
end;
destructor TLEDButton.Destroy;
begin
FFont.Free;
FGlyph.Free;
inherited Destroy;
end;
procedure TLEDButton.SetBeveled(NewValue: boolean);
begin
if FBeveled<>NewValue then begin
FBeveled:=NewValue;
Invalidate;
end;
end;
procedure TLEDButton.SetBorderStyle(NewBorderStyle: TBorderStyle);
begin
if FBorderStyle<>NewBorderStyle then begin
FBorderStyle:=NewBorderStyle;
Invalidate;
end;
end;
procedure TLEDButton.SetButtonDirection(NewDirection: TButtonDirection);
begin
if FButtonDirection<>NewDirection then begin
FButtonDirection:=NewDirection;
Invalidate;
end;
end;
procedure TLEDButton.SetColor(newColor: TColor);
begin
if FColor<>newColor then begin
{$IFDEF SR_LAZARUS}
inherited SetColor(newColor);
{$ENDIF}
FColor:=newColor;
AssignBevelColors(FColor,FColorHighlight,FColorShadow,FHLContrast,FShContrast);
Invalidate;
end;
end;
procedure TLEDButton.SetColorLED(newColor: TColor);
var Dummy : TColor;
begin
if FColorLED<>newColor then begin
FColorLED:=newColor;
AssignBevelColors(FColorLED,Dummy,FColorLEDOff,FLEDContrast,FLEDContrast);
Invalidate;
end;
end;
procedure TLEDButton.SetDepth(newValue: integer);
begin
if FDepth<>newValue then begin
FDepth:=newValue;
Invalidate;
end;
end;
procedure TLEDButton.SetFont(newFont: TFont);
begin
FFont.Assign(NewFont);
Invalidate;
end;
{$IFDEF SR_LAZARUS}
procedure TLEDButton.SetGlyph(newGlyph: TBitmap);
begin
fGlyph.Glyph:=newGlyph;
Invalidate;
end;
function TLEDButton.GetGlyph:TBitmap;
begin
result:=fGlyph.Glyph;
end;
{$ELSE}
procedure TLEDButton.SetGlyph(newGlyph: TBitmap);
begin
if(Assigned(FGlyph)) then begin
FGlyph.Assign(newGlyph);
if (csDesigning in ComponentState) then begin
{ Glyph 1: Normal, 2: Disabled, 3: Down;
Muß die Ausmaße (Height * NumGlyphs) = Width haben}
if (newGlyph.width mod newGlyph.height = 0) then
FNumGlyphs:= newGlyph.width div newGlyph.height
else
FNumGlyphs:= 1;
end;
Invalidate;
end;
end;
{$ENDIF}
procedure TLEDButton.SetLEDContrast(newContrast: TContrast);
var Dummy : TColor;
begin
if (FLEDContrast<>newContrast) and (newContrast>=0) and (newContrast<10) then begin
FLEDContrast:=newContrast;
AssignBevelColors(FColorLED,Dummy,FColorLEDOff,FLEDContrast,FLEDContrast);
Invalidate;
end;
end;
{$IFDEF SR_LAZARUS}
function TLEDButton.GetNumGlyphs:TNumGlyphs;
begin
result:=FGlyph.NumGlyphs;
end;
procedure TLEDButton.SetNumGlyphs(newNumGlyphs: TNumGlyphs);
begin
if newNumGlyphs < 0 then newNumGlyphs := 1;
if newNumGlyphs > High(TNumGlyphs) then newNumGlyphs := High(TNumGlyphs);
if newNumGlyphs <> fGlyph.NumGlyphs then
Begin
fGlyph.NumGlyphs := newNumGlyphs;
Invalidate;
end;
end;
{$ELSE}
procedure TLEDButton.SetNumGlyphs(newNumGlyphs: TNumGlyphs);
begin
if FNumGlyphs<>newNumGlyphs then begin
FNumGlyphs:=newNumGlyphs;
Invalidate;
end;
end;
{$ENDIF}
procedure TLEDButton.SetShowLED(newValue: boolean);
begin
if FShowLED<>newValue then begin
FShowLED:=newValue;
Invalidate;
end;
end;
procedure TLEDButton.SetStateOn(newValue: boolean);
begin
if FStateOn<>newValue then begin
FStateOn:=newValue;
Invalidate;
end;
end;
procedure TLEDButton.SetTextPosition(newValue: TTextPosition);
begin
if FTextPosition<>newValue then begin
FTextPosition:=newValue;
Invalidate;
end;
end;
procedure TLEDButton.DrawBorder(Dest:TRect);
var i : integer;
begin
Dest:=GetClientRect;
if FTextPosition=tpAbove then
Dest.Top:=Dest.Top+Canvas.TextWidth('W')+2;
if FTextPosition=tpBelow then
Dest.Bottom:=Dest.Bottom-Canvas.TextWidth('W')-2;
with Canvas do begin
if FBorderStyle=bsSingle then begin
Brush.Color:=clWindowFrame;
FrameRect(Dest);
InflateRect(Dest,-1,-1);
end;
Pen.Width:=1;
if FButtonDirection=bdBottomUp then begin
Pen.Color:=FColorHighlight;
{ oben }
MoveTo(Dest.Right-1,Dest.Top);
LineTo(Dest.Left,Dest.Top);
{ links }
if not FBeveled then begin
MoveTo(Dest.Left,Dest.Top);
LineTo(Dest.Left,Dest.Bottom-1);
end
else
for i:=0 to FDepth do begin
MoveTo(Dest.Left,Dest.Top);
if FDown then
LineTo(Dest.Left+(i div 2),Dest.Bottom-1)
else
LineTo(Dest.Left+i,Dest.Bottom-i-1);
end;
Pen.Color:=FColorShadow;
{ rechts }
if not FBeveled then begin
MoveTo(Dest.Right-1,Dest.Top);
LineTo(Dest.Right-1,Dest.Bottom);
end
else
for i:=0 to FDepth do begin
MoveTo(Dest.Right-1,Dest.Top);
if FDown then
LineTo(Dest.Right-(i div 2)-1,Dest.Bottom-1)
else
LineTo(Dest.Right-i-1,Dest.Bottom-i-1);
end;
{ unten }
if FDown then begin
MoveTo(Dest.Left,Dest.Bottom-1);
LineTo(Dest.Right-1,Dest.Bottom-1);
end
else
for i:=0 to FDepth do begin
if not FBeveled then begin
MoveTo(Dest.Left,Dest.Bottom-i-1);
LineTo(Dest.Right-1,Dest.Bottom-i-1);
end
else begin
MoveTo(Dest.Left+i,Dest.Bottom-i-1);
LineTo(Dest.Right-i-1,Dest.Bottom-i-1);
end;
end;