Форум: "Основная";
Текущий архив: 2003.11.13;
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Кнопка рядом с ...   Найти похожие ветки 

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LORDIK   (2003-11-03 12:07) [0]

Как сделать свою кнопку рядом с кнопками минимизыровать, закрыть, развернуть окно?

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← →
Stratos   (2003-11-03 12:12) [1]

FAQ читать надо!
FAQ - Интерфейс - TForm -> ...

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← →
Rouse_   (2003-11-03 12:12) [2]

unit Unit1;

interface

uses
Windows, Buttons, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs;

type
TForm1 = class(TForm)
procedure FormResize(Sender: TObject);
private
CaptionBtn : TRect;
procedure DrawCaptButton;
procedure WMNCPaint(var Msg : TWMNCPaint); message WM_NCPaint;
procedure WMNCActivate(var Msg : TWMNCActivate); message WM_NCACTIVATE;
procedure WMSetText(var Msg : TWMSetText); message WM_SETTEXT;
procedure WMNCHitTest(var Msg : TWMNCHitTest); message WM_NCHITTEST;
procedure WMNCLButtonDown(var Msg : TWMNCLButtonDown); message WM_NCLBUTTONDOWN;
public
{ Public declarations }
end;
const htCaptionBtn = htSizeLast + 1;
var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.DrawCaptButton;
var xFrame, yFrame, xSize, ySize : Integer;
R : TRect;
begin
//Dimensions of Sizeable Frame
xFrame := GetSystemMetrics(SM_CXFRAME);
yFrame := GetSystemMetrics(SM_CYFRAME);
//Dimensions of Caption Buttons
xSize := GetSystemMetrics(SM_CXSIZE);
ySize := GetSystemMetrics(SM_CYSIZE);
//Define the placement of the new caption button
CaptionBtn := Bounds(Width - xFrame - 4*xSize + 2,
yFrame + 2, xSize - 2, ySize - 4);
//Get the handle to canvas using Form"s device context
Canvas.Handle := GetWindowDC(Self.Handle);
//Canvas.Font.Name := "Symbol";
Canvas.Font.Color := clBlue;
Canvas.Font.Style := [fsBold];
Canvas.Pen.Color := clYellow;
Canvas.Brush.Color := clBtnFace;
try
DrawButtonFace(Canvas, CaptionBtn, 1, bsAutoDetect, False, False, False);
//Define a smaller drawing rectangle within the button
R := Bounds(Width - xFrame - 4 * xSize + 2,
yFrame + 3, xSize - 6, ySize - 7);
with CaptionBtn do
Canvas.TextRect(R, R.Left + 4, R.Top - 1, "z");
finally
ReleaseDC(Self.Handle, Canvas.Handle);
Canvas.Handle := 0;
end;
end;

procedure TForm1.WMNCActivate(var Msg: TWMNCActivate);
begin
inherited; DrawCaptButton;
end;

procedure TForm1.WMNCPaint(var Msg: TWMNCPaint);
begin
inherited; DrawCaptButton;
end;

procedure TForm1.FormResize(Sender: TObject);
begin
Perform(WM_NCACTIVATE, Word(Active), 0);
end;

procedure TForm1.WMSetText(var Msg: TWMSetText);
begin
inherited; DrawCaptButton;
end;

procedure TForm1.WMNCHitTest(var Msg: TWMNCHitTest);
begin
inherited;
with Msg do
if PtInRect(CaptionBtn, Point(XPos - Left, YPos - Top)) then
Result := htCaptionBtn;
end;

procedure TForm1.WMNCLButtonDown(var Msg: TWMNCLButtonDown);
begin
inherited;
if (Msg.HitTest = htCaptionBtn) then
ShowMessage("You hit the button on the caption bar");
end;

end.

Желаю успехов

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← →
ZEE   (2003-11-03 13:54) [3]

[2] - вот только в ХР будет выглядеть неочень...

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