CentrED/Client/Tools/UfrmToolWindow.pas

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(*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* http://www.opensource.org/licenses/cddl1.php. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying * information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Portions Copyright 2009 Andreas Schneider
*)
unit UfrmToolWindow;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
LCLIntf, LMessages, ExtCtrls;
type
{ TfrmToolWindow }
TfrmToolWindow = class(TForm)
tmClose: TTimer;
procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
procedure FormDeactivate(Sender: TObject); virtual;
procedure FormShow(Sender: TObject); virtual;
procedure tmCloseTimer(Sender: TObject);
protected
function CanClose: Boolean; virtual;
procedure MouseLeave(var msg: TLMessage); message CM_MouseLeave;
public
{ public declarations }
end;
var
frmToolWindow: TfrmToolWindow;
implementation
{ TfrmToolWindow }
procedure TfrmToolWindow.FormDeactivate(Sender: TObject);
begin
Close;
end;
procedure TfrmToolWindow.FormClose(Sender: TObject;
var CloseAction: TCloseAction);
begin
CloseAction := caHide;
end;
procedure TfrmToolWindow.FormShow(Sender: TObject);
begin
Top := Mouse.CursorPos.y - 8;
Left := Mouse.CursorPos.x - 8;
OnDeactivate := nil;
tmClose.Enabled := True;
end;
procedure TfrmToolWindow.tmCloseTimer(Sender: TObject);
begin
tmClose.Enabled := False;
OnDeactivate := @FormDeactivate;
if CanClose then
Close;
end;
function TfrmToolWindow.CanClose: Boolean;
begin
Result := not PtInRect(ClientRect, ScreenToClient(Mouse.CursorPos));
end;
procedure TfrmToolWindow.MouseLeave(var msg: TLMessage);
begin
if CanClose then
Close;
end;
initialization
{$I UfrmToolWindow.lrs}
end.