xpmenu.pas

这是一个门禁系统的应用程序,用 delphi编写,希望与大家交流.

  ACanvas.brush.Style := bsSolid;
  ACanvas.brush.color :=  FFSelectColor;

  ACanvas.FillRect(ARect);
  ACanvas.Pen.Color := FFSelectBorderColor;

  if (not IsRightToLeft) and (Is16Bit) and (Sender is TMenuItem) then
  begin
    ACanvas.MoveTo(X1, ARect.Bottom - 1);
    ACanvas.LineTo(X1, ARect.Top);
    ACanvas.LineTo(X2 - 8, ARect.Top);
    ACanvas.LineTo(X2 - 8, ARect.Bottom);
//    ACanvas.LineTo(X1, ARect.Bottom);

    DefColor := FFMenuBarColor;


    HoldColor := GetShadeColor(ACanvas, DefColor, 10);
    ACanvas.Brush.Style := bsSolid;
    ACanvas.Brush.Color := HoldColor;
    ACanvas.Pen.Color := HoldColor;

    ACanvas.FillRect(Rect(X2 - 7, ARect.Top, X2, ARect.Bottom));

    HoldColor := GetShadeColor(ACanvas, DefColor, 30);
    ACanvas.Brush.Color := HoldColor;
    ACanvas.Pen.Color := HoldColor;
    ACanvas.FillRect(Rect(X2 - 7, ARect.Top + 3, X2 - 2, ARect.Bottom));

    HoldColor := GetShadeColor(ACanvas, DefColor, 40 + 20);
    ACanvas.Brush.Color := HoldColor;
    ACanvas.Pen.Color := HoldColor;
    ACanvas.FillRect(Rect(X2 - 7, ARect.Top + 5, X2 - 3, ARect.Bottom));

    HoldColor := GetShadeColor(ACanvas, DefColor, 60 + 40);
    ACanvas.Brush.Color := HoldColor;
    ACanvas.Pen.Color := HoldColor;
    ACanvas.FillRect(Rect(X2 - 7, ARect.Top + 6, X2 - 5, ARect.Bottom));

    //---

    ACanvas.Pen.Color := DefColor;
    ACanvas.MoveTo(X2 - 5, ARect.Top + 1);
    ACanvas.LineTo(X2 - 1, ARect.Top + 1);
    ACanvas.LineTo(X2 - 1, ARect.Top + 6);

    ACanvas.MoveTo(X2 - 3, ARect.Top + 2);
    ACanvas.LineTo(X2 - 2, ARect.Top + 2);
    ACanvas.LineTo(X2 - 2, ARect.Top + 3);
    ACanvas.LineTo(X2 - 3, ARect.Top + 3);



    ACanvas.Pen.Color := GetShadeColor(ACanvas, DefColor, 10);
    ACanvas.MoveTo(X2 - 6, ARect.Top + 3);
    ACanvas.LineTo(X2 - 3, ARect.Top + 3);
    ACanvas.LineTo(X2 - 3, ARect.Top + 6);
    ACanvas.LineTo(X2 - 4, ARect.Top + 6);
    ACanvas.LineTo(X2 - 4, ARect.Top + 3);

    ACanvas.Pen.Color := GetShadeColor(ACanvas, DefColor, 30);
    ACanvas.MoveTo(X2 - 5, ARect.Top + 5);
    ACanvas.LineTo(X2 - 4, ARect.Top + 5);
    ACanvas.LineTo(X2 - 4, ARect.Top + 9);

    ACanvas.Pen.Color := GetShadeColor(ACanvas, DefColor, 40);
    ACanvas.MoveTo(X2 - 6, ARect.Top + 5);
    ACanvas.LineTo(X2 - 6, ARect.Top + 7);

  end
  else
  begin

    ACanvas.Pen.Color := FFSelectBorderColor;
    ACanvas.Brush.Color := GetShadeColor(ACanvas, BckColor, 70);

    ACanvas.MoveTo(X1, ARect.Bottom - 1);
    ACanvas.LineTo(X1, ARect.Top);
    ACanvas.LineTo(X2 - 3, ARect.Top);
    ACanvas.LineTo(X2 - 3, ARect.Bottom);


    ACanvas.Pen.Color := ACanvas.Brush.Color;
    ACanvas.FillRect(Rect(X2 - 2, ARect.Top + 2, X2, ARect.Bottom));

    ACanvas.Brush.Color := BckColor;
    ACanvas.FillRect(Rect(X2 - 2, ARect.Top , X2, ARect.Top + 2));


  end;

end;


procedure TXPMenu.DrawCheckedItem(FMenuItem: TMenuItem; Selected, Enabled,
 HasImgLstBitmap: boolean; ACanvas: TCanvas; CheckedRect: TRect);
var
  X1, X2: integer;
begin
  if FMenuItem.RadioItem then
  begin
    if FMenuItem.Checked then
    begin
      if Enabled then
      begin
        ACanvas.Pen.color := FFSelectBorderColor;
        if selected then
          ACanvas.Brush.Color := FCheckedAreaSelectColor
        else
          ACanvas.Brush.Color := FCheckedAreaColor;
      end
      else
        ACanvas.Pen.color := FFDisabledColor;

      ACanvas.Brush.Style := bsSolid;
      if HasImgLstBitmap then
      begin
        ACanvas.RoundRect(CheckedRect.Left, CheckedRect.Top,
          CheckedRect.Right, CheckedRect.Bottom,
          6, 6);
      end
      else
      begin
        ACanvas.Ellipse(CheckedRect.Left, CheckedRect.Top,
          CheckedRect.Right, CheckedRect.Bottom);
// +jt
        InflateRect(CheckedRect, -2, -2);
        ACanvas.Brush.color := ACanvas.Pen.Color;
       ACanvas.Ellipse(CheckedRect.Left, CheckedRect.Top,
         CheckedRect.Right, CheckedRect.Bottom);
// +jt
      end;
    end;
  end
  else
  begin
    if (FMenuItem.Checked) then
      if (not HasImgLstBitmap) then
      begin
        if Enabled then
        begin
          ACanvas.Pen.color := FFCheckedColor;
          if selected then
            ACanvas.Brush.Color := FCheckedAreaSelectColor
          else
            ACanvas.Brush.Color := FCheckedAreaColor; ;
        end
        else
          ACanvas.Pen.color := FFDisabledColor;

        ACanvas.Brush.Style := bsSolid;
        ACanvas.Rectangle(CheckedRect.Left, CheckedRect.Top,
          CheckedRect.Right, CheckedRect.Bottom);
        if Enabled then
          ACanvas.Pen.color := clBlack
        else
          ACanvas.Pen.color := FFDisabledColor;
        x1 := CheckedRect.Left + 1;
        x2 := CheckedRect.Top + 5;
        ACanvas.MoveTo(x1, x2);

        x1 := CheckedRect.Left + 4;
        x2 := CheckedRect.Bottom - 2;
        ACanvas.LineTo(x1, x2);
        //--
        x1 := CheckedRect.Left + 2;
        x2 := CheckedRect.Top + 5;
        ACanvas.MoveTo(x1, x2);

        x1 := CheckedRect.Left + 4;
        x2 := CheckedRect.Bottom - 3;
        ACanvas.LineTo(x1, x2);
        //--
        x1 := CheckedRect.Left + 2;
        x2 := CheckedRect.Top + 4;
        ACanvas.MoveTo(x1, x2);

        x1 := CheckedRect.Left + 5;
        x2 := CheckedRect.Bottom - 3;
        ACanvas.LineTo(x1, x2);
        //-----------------

        x1 := CheckedRect.Left + 4;
        x2 := CheckedRect.Bottom - 3;
        ACanvas.MoveTo(x1, x2);

        x1 := CheckedRect.Right + 2;
        x2 := CheckedRect.Top - 1;
        ACanvas.LineTo(x1, x2);
        //--
        x1 := CheckedRect.Left + 4;
        x2 := CheckedRect.Bottom - 2;
        ACanvas.MoveTo(x1, x2);

        x1 := CheckedRect.Right - 2;
        x2 := CheckedRect.Top + 3;
        ACanvas.LineTo(x1, x2);

      end
      else
      begin


        if Enabled then
        begin
          ACanvas.Pen.color := FFSelectBorderColor;
          if selected then
            ACanvas.Brush.Color := FCheckedAreaSelectColor
          else
            ACanvas.Brush.Color := FCheckedAreaColor; ;
        end
        else
          ACanvas.Pen.color := FFDisabledColor;

        ACanvas.Brush.Style := bsSolid;
        ACanvas.Rectangle(CheckedRect.Left, CheckedRect.Top,
          CheckedRect.Right, CheckedRect.Bottom);
      end;
  end;

end;

procedure TXPMenu.DrawTheText(Sender: TObject; txt, ShortCuttext: string;
    ACanvas: TCanvas; TextRect: TRect;
    Selected, Enabled, Default, TopMenu, IsRightToLeft: boolean;
    var TxtFont: TFont; TextFormat: integer);
var
  DefColor: TColor;
  B: TBitmap;
  BRect: TRect;
begin
  TextFormat := TextFormat + DT_EXPANDTABS;
  DefColor := TxtFont.Color;

  ACanvas.Font.Assign (TxtFont);

  if Selected then
    DefColor := FFSelectFontColor;

  If not Enabled then
  begin
    DefColor := FFDisabledColor;

    if (Sender is TToolButton) then
    begin
      TextRect.Top := TextRect.Top +
        ((TextRect.Bottom - TextRect.Top) - ACanvas.TextHeight('W')) div 2;
      B := TBitmap.Create;
      try
        B.Width := TextRect.Right - TextRect.Left;
        B.Height := TextRect.Bottom - TextRect.Top;
        BRect := Rect(0,0,B.Width, B.Height);


        B.Canvas.Brush.Color := ACanvas.Brush.Color;
        B.Canvas.FillRect (BRect);
  //      B.Canvas.Font := FFont; //felix added for resolving font problems in Win98
                                //27.08
        B.Canvas.Font.color := DefColor;

        DrawtextEx(B.Canvas.Handle,
          PChar(txt),
          Length(txt),
          BRect, TextFormat + DT_VCENTER, nil);
        ACanvas.CopyRect(TextRect, B.Canvas, BRect);
      finally
        B.Free;
      end;
      exit;
    end;

  end;

  if (TopMenu and Selected) then
    if FUseSystemColors then
      DefColor := TopMenuFontColor(ACanvas, FFIconBackColor);

  ACanvas.Font.color := DefColor;    // will not affect Buttons

  SetBkMode(ACanvas.Handle, TRANSPARENT);


  if Default and Enabled then
  begin

    Inc(TextRect.Left, 1);
    ACanvas.Font.color := GetShadeColor(ACanvas,
                              ACanvas.Pixels[TextRect.Left, TextRect.Top], 30);
    DrawtextEx(ACanvas.Handle,
      PChar(txt),
      Length(txt),
      TextRect, TextFormat, nil);
    Dec(TextRect.Left, 1);


    Inc(TextRect.Top, 2);
    Inc(TextRect.Left, 1);
    Inc(TextRect.Right, 1);


    ACanvas.Font.color := GetShadeColor(ACanvas,
                              ACanvas.Pixels[TextRect.Left, TextRect.Top], 30);
    DrawtextEx(ACanvas.Handle,
      PChar(txt),
      Length(txt),
      TextRect, TextFormat, nil);


    Dec(TextRect.Top, 1);
    Dec(TextRect.Left, 1);
    Dec(TextRect.Right, 1);

    ACanvas.Font.color := GetShadeColor(ACanvas,
                              ACanvas.Pixels[TextRect.Left, TextRect.Top], 40);
    DrawtextEx(ACanvas.Handle,
      PChar(txt),
      Length(txt),
      TextRect, TextFormat, nil);


    Inc(TextRect.Left, 1);
    Inc(TextRect.Right, 1);

    ACanvas.Font.color := GetShadeColor(ACanvas,
                              ACanvas.Pixels[TextRect.Left, TextRect.Top], 60);
    DrawtextEx(ACanvas.Handle,
      PChar(txt),
      Length(txt),
      TextRect, TextFormat, nil);

    Dec(TextRect.Left, 1);
    Dec(TextRect.Right, 1);
    Dec(TextRect.Top, 1);

    ACanvas.Font.color := DefColor;
  end;

  DrawtextEx(ACanvas.Handle,
      PChar(txt),
      Length(txt),
      TextRect, TextFormat, nil);


  txt := ShortCutText + ' ';
  {
  if not Is16Bit then
    ACanvas.Font.color := DefColor
  else
    ACanvas.Font.color := GetShadeColor(ACanvas, DefColor, -40);
  }


  if IsRightToLeft then
  begin
    Inc(TextRect.Left, 10);
    TextFormat := DT_LEFT
  end
  else
  begin
    Dec(TextRect.Right, 10);
    TextFormat := DT_RIGHT;
  end;


  DrawtextEx(ACanvas.Handle,
    PChar(txt),
    Length(txt),
    TextRect, TextFormat, nil);

end;

procedure TXPMenu.DrawIcon(Sender: TObject; ACanvas: TCanvas; B: TBitmap;
 IconRect: Trect; Hot, Selected, Enabled, Checked, FTopMenu,
 IsRightToLeft: boolean);
var
  DefColor: TColor;
  X, Y: integer;
begin

  if (B <> nil) and (B.Width > 0) then
  begin
    X := IconRect.Left;
    Y := IconRect.Top + 1;

    if (Sender is TMenuItem) then
    begin
      inc(Y, 2);
      if FIconWidth > B.Width then
        X := X + ((FIconWidth - B.Width) div 2) - 1
      else
      begin
        if IsRightToLeft then
          X := IconRect.Right - b.Width - 2
        else
          X := IconRect.Left + 2;
      end;
    end;

    if FTopMenu then
    begin
      if IsRightToLeft then
        X := IconRect.Right - b.Width - 5
      else
        X := IconRect.Left + 1;
    end;

    if (Hot) and (FTopMenu) and (Enabled) then
      if not Selected then
      begin
        dec(X, 1);
        dec(Y, 2);
      end;

    if (Hot) and (not FTopMenu) and (Enabled) and (not Checked) then
      if not Selected then
      begin
        dec(X, 1);
        dec(Y, 1);
      end;

    if (not Hot) and (Enabled) and (not Checked) then
      if Is16Bit then
        DimBitmap(B, FDimLevel{30});


    if not Enabled then
    begin
      GrayBitmap(B, FGrayLevel );
      DimBitmap(B, 40);
    end;

    if (Hot) and (Enabled) and (not Checked) then
    begin
      if (Is16Bit) and (not UseSys