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mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-11-24 08:02:15 +02:00
CEF4Delphi/source/uCEFLinkedWindowParent.pas
2023-09-24 11:21:05 +02:00

104 lines
2.7 KiB
ObjectPascal

unit uCEFLinkedWindowParent;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$I cef.inc}
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
interface
uses
{$IFDEF DELPHI16_UP}
{$IFDEF MSWINDOWS}WinApi.Windows,{$ENDIF} System.Classes, Vcl.Controls,
{$ELSE}
{$IFDEF MSWINDOWS}Windows,{$ENDIF} Classes, Forms, Controls, Graphics,
{$IFDEF FPC}
LCLProc, LCLType, LCLIntf, LResources, LMessages, InterfaceBase,
{$IFDEF LINUX}xlib, x,{$ENDIF}
{$ELSE}
Messages,
{$ENDIF}
{$ENDIF}
uCEFWinControl, uCEFTypes, uCEFInterfaces, uCEFChromium,
uCEFConstants, uCEFLinkedWinControlBase;
type
{$IFNDEF FPC}{$IFDEF DELPHI16_UP}[ComponentPlatformsAttribute(pfidWindows)]{$ENDIF}{$ENDIF}
/// <summary>
/// This component can be used by VCL and LCL applications. It has the
/// same purpose as TCEFWindowParent but it has a Chromium property to
/// link it directly to a TChromium component.
/// TCEFLinkedWindowParent resizes the child controls created by CEF
/// for browsers in normal mode and sets the browser focus using the
/// linked TChromium component. TCEFWindowParent and TCEFLinkedWindowParent
/// work fine in Windows and you can used any of them but you can't use
/// TCEFWindowParent in Linux or MacOS.
/// </summary>
TCEFLinkedWindowParent = class(TCEFLinkedWinControlBase)
protected
FChromium : TChromium;
function GetChromium: TChromium; override;
procedure SetChromium(aValue : TChromium);
procedure Notification(AComponent: TComponent; Operation: TOperation); override;
public
constructor Create(AOwner : TComponent); override;
published
/// <summary>
/// TChromium instance used by this component.
/// </summary>
property Chromium : TChromium read FChromium write SetChromium;
end;
{$IFDEF FPC}
procedure Register;
{$ENDIF}
implementation
uses
uCEFMiscFunctions, uCEFClient, uCEFLibFunctions, uCEFApplication;
constructor TCEFLinkedWindowParent.Create(AOwner : TComponent);
begin
inherited Create(AOwner);
FChromium := nil;
end;
procedure TCEFLinkedWindowParent.Notification(AComponent: TComponent; Operation: TOperation);
begin
inherited Notification(AComponent, Operation);
if (Operation = opRemove) and (AComponent = FChromium) then FChromium := nil;
end;
function TCEFLinkedWindowParent.GetChromium: TChromium;
begin
Result := FChromium;
end;
procedure TCEFLinkedWindowParent.SetChromium(aValue : TChromium);
begin
FChromium := aValue;
if (aValue <> nil) then aValue.FreeNotification(Self);
end;
{$IFDEF FPC}
procedure Register;
begin
{$I res/tceflinkedwindowparent.lrs}
RegisterComponents('Chromium', [TCEFLinkedWindowParent]);
end;
{$ENDIF}
end.