xpmenu.pas

xpmenu,一个可以使界面美化的控件.你可以设置成你自己所喜欢的.

  B := nil;

  {Added By Sylvain ...}
  HasHotBitmap := (Sender.HotImages <> nil) and
                  (Button.ImageIndex <> -1) and
                  (Button.ImageIndex <= Sender.HotImages.Count - 1);


  HasDisBitmap := (Sender.DisabledImages <> nil) and
                  (Button.ImageIndex <> -1) and
                  (Button.ImageIndex <= Sender.DisabledImages.Count - 1);
  {...Sylvain}

  HasBitmap := (Sender.Images <> nil) and
    (Button.ImageIndex <> -1) and
    (Button.ImageIndex <= Sender.Images.Count - 1);


  IsTransparent := Sender.Transparent;

  ACanvas := Sender.Canvas;

  //SetGlobalColor(ACanvas);
  if(FColorsChanged) then SetGlobalColor(ACanvas); // +jt

  if (Is16Bit) and (not UseSystemColors) then
    FBSelectColor := NewColor(ACanvas, FSelectColor, 68)
  else
    FBSelectColor := FFSelectColor;


  HoldRect := Button.BoundsRect;

  ARect := HoldRect;

  if Is16Bit then
    ACanvas.brush.color := NewColor(ACanvas, Sender.Color, 16)
  else
    ACanvas.brush.color := Sender.Color;

  if not IsTransparent then
    ACanvas.FillRect(ARect);

  HasBorder := false;
  HasBkg := false;

  if (cdsHot in State) then
  begin
    if (cdsChecked in State) or (Button.Down) or (cdsSelected in State) then
      ACanvas.Brush.Color := FCheckedAreaSelectColor
    else
      ACanvas.brush.color := FBSelectColor;
    HasBorder := true;
    HasBkg := true;
  end;

  if ((cdsChecked in State) and not (cdsHot in State)) then
  begin
    ACanvas.Brush.Color := FCheckedAreaColor;
    HasBorder := true;
    HasBkg := true;
  end;

  if (cdsIndeterminate in State) and not (cdsHot in State) then
  begin
    ACanvas.Brush.Color := FBSelectColor;
    HasBkg := true;
  end;


  if (Button.MenuItem <> nil) and (State = []) then
  begin
    ACanvas.brush.color := Sender.Color;
    if not IsTransparent then
      HasBkg := true;
  end;


  Inc(ARect.Top, 1);



  if HasBkg then
    ACanvas.FillRect(ARect);

  if HasBorder then
    DrawBorder;


  if ((Button.MenuItem <> nil) or (Button.DropdownMenu <> nil))
    and (cdsSelected in State) then
  begin
    DrawTopMenuItem(Button, ACanvas, ARect, Sender.Color ,false);
    DefaultDraw := false;
  end;

  ARect := HoldRect;
  DefaultDraw := false;


  if Button.Style = tbsDropDown then
  begin
    ACanvas.Pen.Color := clBlack;
    DrawArrow(ACanvas, (ARect.Right - 14) + ((14 - 5) div 2),
      ARect.Top + ((ARect.Bottom - ARect.Top - 3) div 2) + 1);
  end;

  BitmapWidth := 0;
{ Rem by Sylvain ...
  if HasBitmap then
  begin
... Sylvain}
    try
      B := TBitmap.Create;
      CanDraw := False;
      ImglstHand:=0;
      if (cdsHot in State) AND HasHotBitmap then
      begin
        B.Width := Sender.HotImages.Width;
        B.Height := Sender.HotImages.Height;
        ImglstHand := Sender.HotImages.Handle;
        CanDraw := True;
      end
      else if (cdsDisabled in State) and HasDisBitmap then
      begin
        B.Width := Sender.DisabledImages.Width;
        B.Height := Sender.DisabledImages.Height;
        ImglstHand := Sender.DisabledImages.Handle;
        CanDraw := True;
      end
      else if HasBitMap then
      begin
        B.Width := Sender.Images.Width;
        B.Height := Sender.Images.Height;
        ImglstHand := Sender.Images.Handle;
        CanDraw := True;
      end;
      if CanDraw then
      begin {CanDraw}
        B.Canvas.Brush.Color := TransparentColor; // ACanvas.Brush.Color; // +jt
        B.Canvas.FillRect(Rect(0, 0, B.Width, B.Height));
        ImageList_DrawEx(ImglstHand, Button.ImageIndex,
        B.Canvas.Handle, 0, 0, 0, 0, clNone, clNone, ILD_Transparent);

        BitmapWidth := b.Width;

        if Button.Style = tbsDropDown then
          Dec(ARect.Right, 12);


        if TToolBar(Button.Parent).List then
        begin

          if Button.BiDiMode = bdRightToLeft then
          begin
            Dec(ARect.Right, 3);
            ARect.Left := ARect.Right - BitmapWidth;

          end
          else
          begin
            Inc(ARect.Left, 3);
            ARect.Right := ARect.Left + BitmapWidth
          end


        end
        else
          ARect.Left := Round(ARect.Left + (ARect.Right - ARect.Left - B.Width)/2);

        inc(ARect.Top, 2);
        ARect.Bottom := ARect.Top + B.Height + 6;

        DrawIcon(Button, ACanvas, B, ARect, (cdsHot in State),
         (cdsSelected in State), Button.Enabled, (cdsChecked in State), false,
         false);

      end; {CanDraw}
    finally
      B.Free;
    end;
    ARect := HoldRect;
    DefaultDraw := false;
{rem by sylvain ...
  end;
...Sylvain}
//-----------

  if Sender.ShowCaptions then
  begin

    if Button.Style = tbsDropDown then
      Dec(ARect.Right, 12);


    if not TToolBar(Button.Parent).List then
    begin
      TextFormat := DT_Center;

      ARect.Top := ARect.Bottom - ACanvas.TextHeight(Button.Caption) - 6;
    end
    else
    begin
      TextFormat := DT_VCENTER;
      if Button.BiDiMode = bdRightToLeft then
      begin
        TextFormat := TextFormat + DT_Right;
        Dec(ARect.Right, BitmapWidth + 7);
      end
      else
      begin
        if BitmapWidth > 0 then //"Dan Downs" <[e-mail]>
         if Sender.List then     //Micha雔 Moreno <[e-mail]>
           Inc(ARect.Left, BitmapWidth + 6)
          else
           Inc(ARect.Left, BitmapWidth);
      end

    end;

    if (Button.MenuItem <> nil) then
    begin
      TextFormat := DT_Center;
      //Inc(ARect.Left, 1);
    end;

    if Button.BiDiMode = bdRightToLeft then
      TextFormat := TextFormat + DT_RTLREADING;

    if Button.Down and not Button.Enabled then //"felix" <[e-mail]>  23/5
      InflateRect(ARect, -1, -1);

    DrawTheText(Button, Button.Caption, '',
      ACanvas, ARect,
      (cdsSelected in State), Button.Enabled, false,
      (Button.MenuItem <> nil),
      (Button.BidiMode = bdRightToLeft), FFont, TextFormat);

    ARect := HoldRect;
    DefaultDraw := false;
  end;


  if Button.Index > 0 then
  begin
    XButton := {TToolBar(Button.Parent)}Sender.Buttons[Button.Index - 1];
    if (XButton.Style = tbsDivider) or (XButton.Style = tbsSeparator) then
    begin
      ARect := XButton.BoundsRect;
      if Is16Bit then
        ACanvas.brush.color := NewColor(ACanvas, Sender.Color, 16)
      else
        ACanvas.brush.color := Sender.Color;

      if not IsTransparent then
        ACanvas.FillRect(ARect);
     // if (XButton.Style = tbsDivider) then  // Can't get it.
      if XButton.Tag > 0 then
      begin
        Inc(ARect.Top, 2);
        Dec(ARect.Bottom, 1);

        ACanvas.Pen.color := GetShadeColor(ACanvas,Sender.Color,30);
        ARect.Left := ARect.Left + (ARect.Right - ARect.Left) div 2;
        ACanvas.MoveTo(ARect.Left, ARect.Top);
        ACanvas.LineTo(ARect.Left, ARect.Bottom);

      end;
      ARect := Button.BoundsRect;
      DefaultDraw := false;
    end;

  end;

  {if Button.MenuItem <> nil then
    if (xcMainMenu in XPControls) then
      ActivateMenuItem(Button.MenuItem);}
end;
{$ENDIF}

// Controlbar Paint. Added by Michiel van Oudheusden (27 sep 2001)
// Paints the bands of a controlbar like the office XP style
procedure TXPMenu.ControlBarPaint(Sender: TObject; Control: TControl;
  Canvas: TCanvas; var ARect: TRect; var Options: TBandPaintOptions);
var
  i: Integer;
  intInc: integer;
begin

  if(FColorsChanged) then SetGlobalColor(Canvas); // +jt
  // No frame and grabber drawing. We do it ourselfes
  Options := [];

  // First background

  if Is16Bit then
    Canvas.brush.color := NewColor(Canvas, TControlBar(Sender).Color , 6)
  else
    Canvas.brush.color := TControlBar(Sender).Color;

  Canvas.FillRect(ARect);

  intInc := 30;
  for i := (ARect.Top + 5) to (ARect.Bottom - 5)do
  begin
    Canvas.Pen.Color := GetShadeColor(Canvas, TControlBar(Sender).Color, intInc);
    if i mod 2 = 0 then
    begin
      Canvas.MoveTo(ARect.Left + 3, i);
      Canvas.LineTo(ARect.Left + 6, i);
      Inc(intInc, 7);
    end;
  end;

end;

procedure TXPMenu.SetGlobalColor(ACanvas: TCanvas);
begin
//-----
  FColorsChanged:=false; // +jt

  if GetDeviceCaps(ACanvas.Handle, BITSPIXEL) < 16 then
    Is16Bit := false
  else
    Is16Bit := true;


  FDimParentColor := 16;
  FDimParentColorSelect := 40;

  FFColor := FColor;
  FFIconBackColor := FIconBackColor;

  if Is16Bit then
  begin
    if FUseDimColor then
    begin
      FFSelectColor := NewColor(ACanvas, FSelectColor, 68);
      FCheckedAreaColor := NewColor(ACanvas, FSelectColor, 80);
      FCheckedAreaSelectColor := NewColor(ACanvas, FSelectColor, 50);
    end
    else
    begin
      FFSelectColor := FSelectColor;
      FCheckedAreaColor := FSelectColor;
      FCheckedAreaSelectColor := FSelectColor;
    end;

    FMenuBorderColor := GetShadeColor(ACanvas, clBtnFace, 90);
    FMenuShadowColor := GetShadeColor(ACanvas, clBtnFace, 76);
  end
  else
  begin
    FFSelectColor := FSelectColor;
    FCheckedAreaColor := clWhite;
    FCheckedAreaSelectColor := clSilver;
    FMenuBorderColor := clBtnShadow;
    FMenuShadowColor := clBtnShadow;
  end;

  FFSelectBorderColor := FSelectBorderColor;
  FFSelectFontColor := FSelectFontColor;
  FFMenuBarColor := FMenuBarColor;
  FFDisabledColor := FDisabledColor;
  FFCheckedColor := FCheckedColor;
  FFSeparatorColor := FSeparatorColor;



  if FUseSystemColors then
  begin
//    GetSystemMenuFont(FFont);
    FFSelectFontColor := FFont.Color;
    if not Is16Bit then
    begin
      FFColor := clWhite;
      FFIconBackColor := clBtnFace;
      FFSelectColor := clWhite;
      FFSelectBorderColor := clHighlight;
      FFMenuBarColor := FFIconBackColor;
      FFDisabledColor := clBtnShadow;
      FFCheckedColor := clHighlight;
      FFSeparatorColor := clBtnShadow;
      FCheckedAreaColor := clWhite;
      FCheckedAreaSelectColor := clWhite;

    end
    else
    begin
      FFColor := NewColor(ACanvas, clBtnFace, 86);
      FFIconBackColor := NewColor(ACanvas, clBtnFace, 16);
      FFSelectColor := NewColor(ACanvas, clHighlight, 68);
      FFSelectBorderColor := clHighlight;
      FFMenuBarColor := clBtnFace;

      FFDisabledColor := NewColor(ACanvas, clBtnShadow, 10);
      FFSeparatorColor := NewColor(ACanvas, clBtnShadow, 25);
      FFCheckedColor := clHighlight;
      FCheckedAreaColor := NewColor(ACanvas, clHighlight, 80);
      FCheckedAreaSelectColor := NewColor(ACanvas, clHighlight, 50);

    end;
  end;

end;

procedure TXPMenu.DrawTopMenuItem(Sender: TObject; ACanvas: TCanvas;
  ARect: TRect; BckColor:Tcolor; IsRightToLeft: boolean);
var
  X1, X2: integer;
  DefColor, HoldColor: TColor;
begin
  X1 := ARect.Left;
  X2 := ARect.Right;


  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);