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https://github.com/salvadordf/CEF4Delphi.git
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Salvador Díaz Fau
80 lines
1.8 KiB
ObjectPascal
80 lines
1.8 KiB
ObjectPascal
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, {$IFDEF MSWINDOWS}LMessages,{$ENDIF} InterfaceBase,
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{$ELSE}
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Messages,
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{$ENDIF}
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{$ENDIF}
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{$IFDEF DELPHI16_UP}uCEFConstants,{$ENDIF} uCEFWinControl;
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type
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{$IFDEF DELPHI16_UP}[ComponentPlatformsAttribute(pfidWindows)]{$ENDIF}
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TCEFWindowParent = class(TCEFWinControl)
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protected
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{$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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{$ENDIF}
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implementation
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{$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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