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unit cePenFrame;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Graphics, Forms, Controls, StdCtrls, Dialogs, ExtCtrls,
TAChartCombos;
type
{ TChartPenFrame }
TChartPenFrame = class(TFrame)
Bevel1: TBevel;
cbPenStyle: TChartComboBox;
cbPenWidth: TChartComboBox;
cbPenColor: TColorButton;
lblPenWidth: TLabel;
lblPenStyle: TLabel;
procedure cbPenColorColorChanged(Sender: TObject);
procedure cbPenStyleChange(Sender: TObject);
procedure cbPenWidthChange(Sender: TObject);
private
FPen: TPen;
FOnChange: TNotifyEvent;
procedure DoChanged;
public
constructor Create(AOwner: TComponent); override;
procedure Prepare(APen: TPen);
property OnChange: TNotifyEvent read FOnChange write FOnChange;
end;
implementation
{$R *.lfm}
{ TChartPenFrame }
constructor TChartPenFrame.Create(AOwner: TComponent);
begin
inherited;
cbPenStyle.DropdownCount := DEFAULT_DROPDOWN_COUNT;
cbPenWidth.DropdownCount := DEFAULT_DROPDOWN_COUNT;
cbPenColor.Width := cbPenColor.Height;
end;
procedure TChartPenFrame.cbPenColorColorChanged(Sender: TObject);
begin
FPen.Color := cbPenColor.ButtonColor;
DoChanged;
end;
procedure TChartPenFrame.cbPenStyleChange(Sender: TObject);
begin
FPen.Style := cbPenStyle.PenStyle;
DoChanged;
end;
procedure TChartPenFrame.cbPenWidthChange(Sender: TObject);
begin
FPen.Width := cbPenWidth.PenWidth;
DoChanged;
end;
procedure TChartPenFrame.DoChanged;
begin
if Assigned(FOnChange) then FOnChange(FPen);
end;
procedure TChartPenFrame.Prepare(APen: TPen);
begin
FPen := APen;
cbPenStyle.PenStyle := FPen.Style;
cbPenWidth.PenWidth := FPen.Width;
cbPenColor.ButtonColor := ColorToRGB(FPen.Color);
end;
end.
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