mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-15 15:55:56 +01:00
03f9e9a1b9
Fixed issue #404 : Memory leak with empty TChromiumDefaultUrl Fixed crash in RasperryPi OS 64 bits
120 lines
3.4 KiB
ObjectPascal
120 lines
3.4 KiB
ObjectPascal
// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
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// browser in Delphi applications.
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//
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// The original license of DCEF3 still applies to CEF4Delphi.
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//
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// For more information about CEF4Delphi visit :
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// https://www.briskbard.com/index.php?lang=en&pageid=cef
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//
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// Copyright © 2022 Salvador Diaz Fau. All rights reserved.
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//
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// ************************************************************************
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// ************ vvvv Original license and comments below vvvv *************
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// ************************************************************************
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(*
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* Delphi Chromium Embedded 3
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*
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* Usage allowed under the restrictions of the Lesser GNU General Public License
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* or alternatively the restrictions of the Mozilla Public License 1.1
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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* the specific language governing rights and limitations under the License.
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*
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* Unit owner : Henri Gourvest <hgourvest@gmail.com>
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* Web site : http://www.progdigy.com
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* Repository : http://code.google.com/p/delphichromiumembedded/
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* Group : http://groups.google.com/group/delphichromiumembedded
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*
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* Embarcadero Technologies, Inc is not permitted to use or redistribute
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* this source code without explicit permission.
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*
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*)
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unit uCEFWindowParent;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$I cef.inc}
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{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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interface
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uses
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{$IFDEF DELPHI16_UP}
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{$IFDEF MSWINDOWS}WinApi.Windows, WinApi.Messages,{$ENDIF} System.Classes, Vcl.Controls, Vcl.Graphics,
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{$ELSE}
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{$IFDEF MSWINDOWS}Windows,{$ENDIF} Classes, Forms, Controls, Graphics,
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{$IFDEF FPC}
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LCLProc, LCLType, LCLIntf, LResources, LMessages, InterfaceBase,
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{$ELSE}
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Messages,
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{$ENDIF}
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{$ENDIF}
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uCEFWinControl, uCEFTypes, uCEFInterfaces;
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type
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{$IFNDEF FPC}{$IFDEF DELPHI16_UP}[ComponentPlatformsAttribute(pidWin32 or pidWin64)]{$ENDIF}{$ENDIF}
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TCEFWindowParent = class(TCEFWinControl)
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protected
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{$IFDEF MSWINDOWS}
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procedure WndProc(var aMessage: TMessage); override;
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{$ENDIF}
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end;
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{$IFDEF FPC}
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procedure Register;
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{$ENDIF}
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implementation
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uses
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uCEFMiscFunctions, uCEFClient, uCEFConstants;
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{$IFDEF MSWINDOWS}
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procedure TCEFWindowParent.WndProc(var aMessage: TMessage);
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var
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TempHandle : THandle;
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begin
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case aMessage.Msg of
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WM_SETFOCUS:
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begin
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TempHandle := ChildWindowHandle;
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if (TempHandle <> 0) then PostMessage(TempHandle, WM_SETFOCUS, aMessage.WParam, 0);
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inherited WndProc(aMessage);
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end;
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WM_ERASEBKGND:
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if (ChildWindowHandle = 0) then inherited WndProc(aMessage);
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CM_WANTSPECIALKEY:
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if not(TWMKey(aMessage).CharCode in [VK_LEFT .. VK_DOWN, VK_RETURN, VK_ESCAPE]) then
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aMessage.Result := 1
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else
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inherited WndProc(aMessage);
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WM_GETDLGCODE : aMessage.Result := DLGC_WANTARROWS or DLGC_WANTCHARS;
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else inherited WndProc(aMessage);
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end;
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end;
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{$ENDIF}
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{$IFDEF FPC}
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procedure Register;
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begin
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{$I res/tcefwindowparent.lrs}
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RegisterComponents('Chromium', [TCEFWindowParent]);
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end;
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{$ENDIF}
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end.
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