david
7ebea5ffa7
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@12 7f62d464-2af8-f54e-996c-e91b33f51cbe
128 lines
3.4 KiB
ObjectPascal
128 lines
3.4 KiB
ObjectPascal
{-----------------------------------------------------------------------------
|
|
The contents of this file are subject to the Mozilla Public License
|
|
Version 1.1 (the "License"); you may not use this file except in compliance
|
|
with the License. You may obtain a copy of the License at
|
|
http://www.mozilla.org/MPL/MPL-1.1.html
|
|
|
|
Software distributed under the License is distributed on an "AS IS" basis,
|
|
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
|
|
the specific language governing rights and limitations under the License.
|
|
|
|
The Original Code is: JvaDsgn.PAS, released on 2002-07-04.
|
|
|
|
The Initial Developers of the Original Code are: Andrei Prygounkov <a dott prygounkov att gmx dott de>
|
|
Copyright (c) 1999, 2002 Andrei Prygounkov
|
|
All Rights Reserved.
|
|
|
|
Contributor(s):
|
|
|
|
You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
|
|
located at http://jvcl.sourceforge.net
|
|
|
|
description : routines for design-time
|
|
|
|
Known Issues:
|
|
-----------------------------------------------------------------------------}
|
|
// $Id: JvDesignerUtils.pas 11476 2007-08-18 16:59:46Z ahuser $
|
|
|
|
unit JvDesignerUtils;
|
|
|
|
{$I jvcl.inc}
|
|
|
|
interface
|
|
|
|
implementation
|
|
|
|
uses
|
|
Windows, SysUtils, Classes, Graphics,
|
|
{$IFDEF COMPILER6_UP}
|
|
DesignIntf,
|
|
{$ELSE}
|
|
DsgnIntf,
|
|
{$ENDIF COMPILER6_UP}
|
|
JvDsgnIntf, JvDsgnTypes;
|
|
|
|
procedure DrawDesignFrame(Canvas: TCanvas; Rect: TRect);
|
|
begin
|
|
if Integer(Canvas.Handle) <> 0 then
|
|
begin
|
|
Canvas.Brush.Style := bsClear;
|
|
Canvas.Pen.Color := clGray;
|
|
Canvas.Pen.Style := psDot;
|
|
Canvas.Rectangle(Rect.Left, Rect.Top, Rect.Right, Rect.Bottom);
|
|
end;
|
|
end;
|
|
|
|
type
|
|
TMyComponent = class(TComponent);
|
|
|
|
procedure GetDesigner(ASelf: TPersistent; out Result: IDesignerNotify);
|
|
var
|
|
Temp: TPersistent;
|
|
begin
|
|
Result := nil;
|
|
if ASelf = nil then
|
|
Exit;
|
|
Temp := TMyComponent(ASelf).GetOwner;
|
|
if Temp = nil then
|
|
begin
|
|
if (ASelf is TComponent) and (csDesigning in TComponent(ASelf).ComponentState) then
|
|
TMyComponent(ASelf).QueryInterface(IDesignerNotify, Result);
|
|
end
|
|
else
|
|
begin
|
|
if (ASelf is TComponent) and not (csDesigning in TComponent(ASelf).ComponentState) then
|
|
Exit;
|
|
GetDesigner(Temp, Result);
|
|
end;
|
|
end;
|
|
|
|
procedure DesignerNotify(ASelf, Item: TComponent; Operation: TOperation);
|
|
var
|
|
Designer: IDesignerNotify;
|
|
begin
|
|
if csDesigning in ASelf.ComponentState then
|
|
begin
|
|
GetDesigner(ASelf, Designer);
|
|
if Designer <> nil then
|
|
Designer.Notification(Item, Operation);
|
|
end;
|
|
end;
|
|
|
|
procedure DesignerModified(ASelf: TComponent);
|
|
var
|
|
Designer: IDesignerNotify;
|
|
begin
|
|
if csDesigning in ASelf.ComponentState then
|
|
begin
|
|
GetDesigner(ASelf, Designer);
|
|
if Designer <> nil then
|
|
Designer.Modified;
|
|
end;
|
|
end;
|
|
|
|
procedure DesignerSelectComponent(ASelf: TComponent);
|
|
var
|
|
Designer: IDesignerNotify;
|
|
Designer1: IJvFormDesigner;
|
|
begin
|
|
if csDesigning in ASelf.ComponentState then
|
|
begin
|
|
GetDesigner(ASelf, Designer);
|
|
if Designer <> nil then
|
|
begin
|
|
Designer.QueryInterface(IJvFormDesigner, Designer1);
|
|
if Designer1 <> nil then
|
|
Designer1.SelectComponent(ASelf);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
initialization
|
|
DrawDesignFrameProc := DrawDesignFrame;
|
|
DesignerNotifyProc := DesignerNotify;
|
|
DesignerModifiedProc := DesignerModified;
|
|
DesignerSelectComponentProc := DesignerSelectComponent;
|
|
|
|
end.
|