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oneliner.pas
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unit oneliner;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ComCtrls;
type
TfrmLiner = class(TForm)
cmdOK: TButton;
cmdCancel: TButton;
m_strLineWidth: TEdit;
Label1: TLabel;
lblHeading: TLabel;
Label3: TLabel;
cmdColour: TButton;
cd: TColorDialog;
cmdApplyAll: TButton;
m_strAlpha: TEdit;
alphaBar: TTrackBar;
Label2: TLabel;
procedure cmdOKClick(Sender: TObject);
procedure cmdCancelClick(Sender: TObject);
procedure FormPaint(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure lblHeadingMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure lblHeadingMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure lblHeadingMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure m_strLineWidthChange(Sender: TObject);
procedure cmdColourClick(Sender: TObject);
procedure cmdApplyAllClick(Sender: TObject);
procedure m_strAlphaChange(Sender: TObject);
procedure alphaBarChange(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
m_nX, m_nY : integer;
m_bOK, m_bMoving : BOOLEAN;
m_bApplyAll : boolean;
m_Colour : TColor;
m_nLineWidth : integer;
m_nAlpha : integer;
end;
implementation
{$R *.dfm}
procedure TfrmLiner.cmdOKClick(Sender: TObject);
begin
m_bApplyAll := FALSE;
m_bOk := TRUE;
Close;
end;
procedure TfrmLiner.cmdCancelClick(Sender: TObject);
begin
m_bOk := FALSE;
Close;
end;
procedure TfrmLiner.FormPaint(Sender: TObject);
begin
Canvas.Pen.Width := 1;
Canvas.Pen.Color := clBlack;
Canvas.Brush.Color := rgb(240,240,240);
Canvas.Rectangle(0,0,width,height);
Canvas.Pen.Width := m_nLineWidth;
Canvas.Pen.Color := m_Colour;
Canvas.MoveTo(170,40);
Canvas.LineTo(300,80);
Canvas.Pen.Width := 1;
Canvas.Pen.Color := m_Colour;
Canvas.Brush.Color := m_Colour;
Canvas.FillRect(rect(72,32,95,55));
end;
procedure TfrmLiner.FormCreate(Sender: TObject);
begin
lblHeading.Left := 2;
lblHeading.Top := 2;
lblHeading.Width := width - 4;
lblHeading.Height := 17;
lblHeading.Color := clBlue;
end;
procedure TfrmLiner.lblHeadingMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
m_bMoving := TRUE;
m_nX := x;
m_nY := y;
end;
procedure TfrmLiner.lblHeadingMouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
begin
if (m_bMoving) then
begin
Left := Left + (x - m_nX);
Top := Top + (y - m_nY);
end;
end;
procedure TfrmLiner.lblHeadingMouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
m_bMoving := FALSE;
end;
procedure TfrmLiner.m_strAlphaChange(Sender: TObject);
begin
if (m_strAlpha.Text <> '') then
begin
m_nAlpha := strtoint(m_strAlpha.Text);
alphaBar.Position := m_nAlpha;
end;
end;
procedure TfrmLiner.m_strLineWidthChange(Sender: TObject);
begin
if (m_strLinewidth.Text <> '') then
begin
m_nLineWidth := strtoint(m_strLineWidth.Text);
Repaint;
end;
end;
procedure TfrmLiner.cmdColourClick(Sender: TObject);
begin
if (cd.Execute) then
begin
m_Colour := cd.Color;
end;
RePaint;
end;
procedure TfrmLiner.alphaBarChange(Sender: TObject);
begin
m_nAlpha := alphaBAr.Position;
m_strAlpha.Text := inttostr(m_nAlpha);
end;
procedure TfrmLiner.cmdApplyAllClick(Sender: TObject);
begin
m_bApplyAll := TRUE;
m_bOk := TRUE;
Close;
end;
end.