Как изменить шрифт и выравнивание в заголовке формы? |
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Note: The formDeactivate never gets called so when the form isn't active, sometimes the FormPaint isn't called. If anything causes the form to be repainted while in inactive, it draws correctly.
Code: |
unit Unit1;
interface
uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs;
type TForm1 = class(TForm) procedure FormPaint(Sender: TObject); procedure FormResize(Sender: TObject); procedure FormDeactivate(Sender: TObject); procedure FormActivate(Sender: TObject); private public { Public declarations } end;
var Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.FormPaint(Sender: TObject); var LabelHeight, LabelWidth, LabelTop: Integer; caption_height, border3d_y, button_width, border_thickness: Integer; MyCanvas: TCanvas; CaptionBarRect: TRect; begin CaptionBarRect := Rect(0, 0, 0, 0); MyCanvas := TCanvas.Create; MyCanvas.Handle := GetWindowDC(Form1.Handle); border3d_y := GetSystemMetrics(SM_CYEDGE); button_width := GetSystemMetrics(SM_CXSIZE); border_thickness := GetSystemMetrics(SM_CYSIZEFRAME); caption_height := GetSystemMetrics(SM_CYCAPTION); LabelWidth := Form1.Canvas.TextWidth(Form1.Caption); LabelHeight := Form1.Canvas.TextHeight(Form1.Caption); LabelTop := LabelHeight - (caption_height div 2); CaptionBarRect.Left := border_thickness + border3d_y + button_width; CaptionBarRect.Right := Form1.Width - (border_thickness + border3d_y) - (button_width * 4); CaptionBarRect.Top := border_thickness + border3d_y; CaptionBarRect.Bottom := caption_height; if Form1.Active then MyCanvas.Brush.Color := clActiveCaption else MyCanvas.Brush.Color := clInActiveCaption; MyCanvas.Brush.Style := bsSolid; MyCanvas.FillRect(CaptionBarRect); MyCanvas.Brush.Style := bsClear; MyCanvas.Font.Color := clCaptionText; MyCanvas.Font.Name := 'MS Sans Serif'; MyCanvas.Font.Style := MyCanvas.Font.Style + [fsBold]; DrawText(MyCanvas.Handle, PChar(' ' + Form1.Caption), Length(Form1.Caption) + 1, CaptionBarRect, DT_CENTER or DT_SINGLELINE or DT_VCENTER); MyCanvas.Free; end;
procedure TForm1.FormResize(Sender: TObject); begin Form1.Paint; end;
procedure TForm1.FormDeactivate(Sender: TObject); begin Form1.Paint; end;
procedure TForm1.FormActivate(Sender: TObject); begin Form1.Paint; end;
end. |
©Drkb::00481
Code: |
{ ... } type TForm1 = class(TForm) private procedure WMNCPaint(var Msg: TWMNCPaint); message WM_NCPAINT; public end;
var Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.WMNCPaint(var Msg: TWMNCPaint); var ACanvas: TCanvas; begin inherited; ACanvas := TCanvas.Create; try ACanvas.Handle := GetWindowDC(Form1.Handle); with ACanvas do begin Brush.Color := clActiveCaption; Font.Name := 'Tahoma'; Font.Size := 8; Font.Color := clred; Font.Style := [fsItalic, fsBold]; TextOut(GetSystemMetrics(SM_CYMENU) + GetSystemMetrics(SM_CXBORDER), Round((GetSystemMetrics(SM_CYCAPTION) - Abs(Font.Height)) / 2) + 1, ' Some Text'); end; finally ReleaseDC(Form1.Handle, ACanvas.Handle); ACanvas.Free; end; end; |
©Drkb::00480
Взято с Delphi Knowledge Base: http://www.baltsoft.com/