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Etern4lCn 2005-4-10 11:13

[转载]Delphi实用代码:自绘XP风格菜单

  信息来源:CSDN


  这是以前写的代码,自绘XP风格的菜单,硬盘坏了后以为没了,最后写的一个软件要自定义风格,“翻箱倒柜”的终于在我可爱的古董机^_^上找到了一个应用的例子。

  把主菜单作以下调整:

  OnMeasureItem指向MeasureMainItem、

  OnAdvancedDrawItem指向DrawMainItem,

  子菜单的OnMeasureItem指向MeasureSubItem、

  OnAdvancedDrawItem指向DrawSubItem,

  调整颜色或使用默认颜色即可达到效果


  //调整主菜单项尺寸
  procedure MeasureMainItem(Sender: TObject; ACanvas: TCanvas; var Width, Height: Integer);
  begin
  Width := Width + 6;
  Height := Height + 2;
  end;

  //调整子菜单项尺寸
  procedure MeasureSubItem(Sender: TObject; ACanvas: TCanvas; var Width, Height: Integer);
  begin
  Width := Width + 20;
  Height := Height + 2;
  end;

  //绘制主菜单内容
  procedure DrawMainItem(Sender: TObject; ACanvas: TCanvas; ARect: TRect; State: TOwnerDrawState);
  const
  MainMenuBackColor    : TColor = $DEEDEF;
  MainMenuBorderColor   : TColor = $DEEDEF;
  MainMenuSelectedBackColor  : TColor = $DFA988;
  MainMenuSelectedBorderColor: TColor = $C08000;
  MainMenuHotLightBackColor  : TColor = $DEEDEF;
  MainMenuHotLightBorderColor: TColor = $800080;
  MainMenuGrayedBackColor  : TColor = $DEEDEF;
  var
  BrushColor, PenColor: TColor;
  TextRect: TRECT;
  begin
  if odGrayed in State then
  begin
  BrushColor := MainMenuGrayedBackColor;
  PenColor := MainMenuGrayedBackColor;
  end
  else
  if odHotLight in State then
  begin  //鼠标划过
  BrushColor := MainMenuHotLightBackColor;
  PenColor := MainMenuHotLightBorderColor;
  end






  else
  if odSelected in State then
  begin
  BrushColor := MainMenuSelectedBackColor;
  PenColor := MainMenuSelectedBorderColor;
  end
  else
  begin
  BrushColor := MainMenuBackColor;
  PenColor := MainMenuBackColor;
  if TMenuItem(Sender).Caption = '帮助(&H)' then ARect.Right := ARect.Right + 1600;
  end;
  ACanvas.Brush.Color := BrushColor;
  ACanvas.Pen.Color := PenColor;
  //ACanvas.FillRect(ARect);
  ACAnvas.Rectangle(ARect);
  ACanvas.Brush.Style := bsClear;
  //绘出文字
  if odGrayed in State then
  ACanvas.Font.Color := clBtnShadow
  else
  ACanvas.Font.Color := clBlack;
  SetRect(TextRect, ARect.left+10, ARect.top+3, ARect.right, ARect.bottom);
  DrawText(ACanvas.Handle, PChar(TMenuItem(Sender).Caption), Length(TMenuItem(Sender).Caption),
  TextRect, DT_LEFT);
  end;

  //绘制子菜单内容
  procedure DrawSubItem(Sender: TObject; ACanvas: TCanvas; ARect: TRect; State: TOwnerDrawState);
  const
  SubMenuBackColor    : TColor = $F7F8F9;
  SubMenuBorderColor   : TColor = $DEEDEF;
  SubMenuSelectedBackColor  : TColor = $EED2C1;
  SubMenuSelectedBorderColor: TColor = $C08000;
  SubMenuLineColor    : TColor = $C8D0D4;
  //SubMenuHotLightBorderColor: TColor = $C08000;
  SubMenuGrayedBackColor  : TColor = $F7F8F9;//$DEEDEF;
  var
  BrushColor, PenColor: TColor;
  TextRect: TRECT;
  str: String;
  ImageList: TCustomImageList;
  begin
  if (odGrayed in State) and not(TMenuItem(Sender).IsLine) then
  begin
  BrushColor := SubMenuGrayedBackColor;
  {if odSelected in State then
  PenColor := SubMenuSelectedBorderColor
  else}

  PenColor := SubMenuGrayedBackColor;
  end
  else
  if odSelected in State then
  begin
  BrushColor := SubMenuSelectedBackColor;
  PenColor := SubMenuSelectedBorderColor;
  end
  else
  begin
  BrushColor := SubMenuBackColor;
  PenColor := SubMenuBackColor;
  end;
  ACanvas.Brush.Color := BrushColor;
  ACanvas.Pen.Color := PenColor;
  ACAnvas.Rectangle(ARect);
  if not(odSelected in State) or (odGrayed in State) then
  begin
  ACanvas.Brush.Color := SubMenuBorderColor;
  ACanvas.FillRect(Rect(ARect.Left, ARect.Top, ARect.Left+20, ARect.Bottom));
  end;
  //绘文字和快捷键
  if TMenuItem(Sender).IsLine then
  begin
  ACanvas.Brush.Color := SubMenuLineColor;
  ACanvas.Pen.Color := SubMenuLineColor;
  ACanvas.FillRect(Rect(ARect.Left+23, ARect.Top+(ARect.Bottom-ARect.Top) div 2-1,
  ARect.Right-2, ARect.Top+(ARect.Bottom-ARect.Top) div 2));
  end
  else
  begin
  ACanvas.Brush.Style := bsClear;
  if odGrayed in State then
  ACanvas.Font.Color := clBtnShadow
  else
  ACanvas.Font.Color := clBlack;
  str := TMenuItem(Sender).Caption;

  SetRect(TextRect, ARect.Left+24, ARect.Top+3, ARect.Right, ARect.Bottom);
  DrawText(ACanvas.Handle, PChar(str), Length(str), TextRect, DT_LEFT);
  str := ShortCutToText(TMenuItem(Sender).ShortCut);
  SetRect(TextRect, ARect.Left+24, ARect.Top+3, ARect.Right-10, ARect.Bottom);
  DrawText(ACanvas.Handle, PChar(str), Length(str), TextRect, DT_RIGHT);
  //
  if TMenuItem(Sender).Checked then
  begin
  ACanvas.Font.Charset := DEFAULT_CHARSET;
  ACanvas.Font.Name := 'Webdings';
  if TMenuItem(Sender).RadioItem then
  ACanvas.TextOut(ARect.Left+4, ARect.Top, '=')
  else
  begin
  ACanvas.Font.Height := -16;
  ACanvas.TextOut(ARect.Left+2, ARect.Top, 'a');
  end;
  end;
  end;
  //绘制图片
  ImageList := TMenuItem(Sender).GetImageList;
  if ImageList<>nil then
  if (odSelected in State) and not(odGrayed in State) then
  ImageList.Draw(ACanvas, ARect.left+2, ARect.Top+2, TMenuItem(Sender).ImageIndex)
  else
  ImageList.Draw(ACanvas, ARect.left+3, ARect.Top+3,
  TMenuItem(Sender).ImageIndex, TMenuItem(Sender).Enabled);
  end;

haicao 2005-5-17 11:03

这个是不错。
用delpi里有自带控件可以做成和delphi系统本身一样的菜单。
可单是菜单似乎有点不够还要程序界面也变xp风格。
网上有一种方法。用xml编译成res包含进来,我试过但好像没什么变化。。。。

evilow 2005-6-12 13:34

问个很菜的问题  OnMeasureItem指向MeasureMainItem  是什么意思~~~  我刚刚学Delphi

haicao 2005-6-14 10:41

OnMeasureItem是一个事件,把这个事件指向这个事件处理程序MeasureItem
默认的一些事件都是onXXX在属性面板直接双击时就自动产生名为xxxx的过程与它关联.

softbug 2005-7-10 19:48

一步一步的画,好辛苦啊 ,谢谢楼上的同志

haicao 2005-8-26 11:10

如果要作程序界面用vclskin蛮不错的,默认已经有好多种界面包了。
从菜单到对话框再到最简单的程序界面,它都会帮你作得很不错!

haokale 2005-9-2 21:04

上面有点代码不明白什么意思
能不能说清楚些

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