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mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-11-24 08:02:15 +02:00
CEF4Delphi/source/uCEFWindowParent.pas
salvadordf ca8bc9dff4 Added cef4delphi.chm help file
Added the PDS file to extract the HTML Help files using PasDoc
Added more XML documentation
Fixed some XML errors.
Removed the license copy from the pas units.
Updated the LICENSE.md file
2023-08-09 19:38:57 +02:00

83 lines
1.8 KiB
ObjectPascal

unit uCEFWindowParent;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$I cef.inc}
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
interface
uses
{$IFDEF DELPHI16_UP}
{$IFDEF MSWINDOWS}WinApi.Windows, WinApi.Messages,{$ENDIF} System.Classes, Vcl.Controls, Vcl.Graphics,
{$ELSE}
{$IFDEF MSWINDOWS}Windows,{$ENDIF} Classes, Forms, Controls, Graphics,
{$IFDEF FPC}
LCLProc, LCLType, LCLIntf, LResources, LMessages, InterfaceBase,
{$ELSE}
Messages,
{$ENDIF}
{$ENDIF}
uCEFWinControl, uCEFTypes, uCEFInterfaces, uCEFConstants;
type
{$IFNDEF FPC}{$IFDEF DELPHI16_UP}[ComponentPlatformsAttribute(pfidWindows)]{$ENDIF}{$ENDIF}
TCEFWindowParent = class(TCEFWinControl)
protected
{$IFDEF MSWINDOWS}
procedure WndProc(var aMessage: TMessage); override;
{$ENDIF}
end;
{$IFDEF FPC}
procedure Register;
{$ENDIF}
implementation
uses
uCEFMiscFunctions, uCEFClient;
{$IFDEF MSWINDOWS}
procedure TCEFWindowParent.WndProc(var aMessage: TMessage);
var
TempHandle : THandle;
begin
case aMessage.Msg of
WM_SETFOCUS:
begin
TempHandle := ChildWindowHandle;
if (TempHandle <> 0) then PostMessage(TempHandle, WM_SETFOCUS, aMessage.WParam, 0);
inherited WndProc(aMessage);
end;
WM_ERASEBKGND:
if (ChildWindowHandle = 0) then inherited WndProc(aMessage);
CM_WANTSPECIALKEY:
if not(TWMKey(aMessage).CharCode in [VK_LEFT .. VK_DOWN, VK_RETURN, VK_ESCAPE]) then
aMessage.Result := 1
else
inherited WndProc(aMessage);
WM_GETDLGCODE : aMessage.Result := DLGC_WANTARROWS or DLGC_WANTCHARS;
else inherited WndProc(aMessage);
end;
end;
{$ENDIF}
{$IFDEF FPC}
procedure Register;
begin
{$I res/tcefwindowparent.lrs}
RegisterComponents('Chromium', [TCEFWindowParent]);
end;
{$ENDIF}
end.