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mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2025-05-13 21:46:53 +02:00

Added the PopupBrowser2 demo for Linux

Set the CEFLinkedWindowParent1.TabStop to true to fix a focus issue
Moved TCEFLinkedWindowParent.UpdateSize to the public section
This commit is contained in:
Salvador Diaz Fau 2021-01-04 18:39:15 +01:00
parent 187a4d825c
commit bef1626f31
16 changed files with 1952 additions and 212 deletions

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rmdir /S /Q lib
rmdir /S /Q backup

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<?xml version="1.0" encoding="UTF-8"?>
<CONFIG>
<ProjectOptions>
<Version Value="11"/>
<PathDelim Value="\"/>
<General>
<Flags>
<MainUnitHasUsesSectionForAllUnits Value="False"/>
<MainUnitHasCreateFormStatements Value="False"/>
<MainUnitHasTitleStatement Value="False"/>
<MainUnitHasScaledStatement Value="False"/>
</Flags>
<SessionStorage Value="InProjectDir"/>
<MainUnit Value="0"/>
<Title Value="PopupBrowser2"/>
<UseAppBundle Value="False"/>
<ResourceType Value="res"/>
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<ComponentName Value="MainForm"/>
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<Target>
<Filename Value="..\..\..\bin\PopupBrowser2"/>
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<SearchPaths>
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<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
</SearchPaths>
<Parsing>
<SyntaxOptions>
<SyntaxMode Value="Delphi"/>
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<Linking>
<Options>
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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2018 Salvador Díaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
program PopupBrowser2;
{$mode objfpc}{$H+}
uses
{$IFDEF UNIX}{$IFDEF UseCThreads}
cthreads,
{$ENDIF}{$ENDIF}
// "Interfaces" is a custom unit used to initialize the LCL WidgetSet
// We keep the same name to avoid a Lazarus warning.
Interfaces, // this includes the LCL widgetset
Forms,
uCEFApplication,
uMainForm in 'uMainForm.pas' {MainForm},
uChildForm in 'uChildForm.pas' {ChildForm};
//{$R *.res}
begin
CreateGlobalCEFApp;
if GlobalCEFApp.StartMainProcess then
begin
// The LCL Widgetset must be initialized after the CEF initialization and
// only in the browser process.
CustomWidgetSetInitialization;
RequireDerivedFormResource:=True;
Application.Scaled:=True;
Application.Initialize;
Application.CreateForm(TMainForm, MainForm);
Application.Run;
CustomWidgetSetFinalization;
end;
DestroyGlobalCEFApp;
end.

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<EditorIndex Value="-1"/>
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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2017 Salvador Diaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
// The complete list of compiler versions is here :
// http://docwiki.embarcadero.com/RADStudio/Tokyo/en/Compiler_Versions
{$DEFINE DELPHI_VERSION_UNKNOW}
// Delphi 5
{$IFDEF VER130}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$ENDIF}
// Delphi 6
{$IFDEF VER140}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$ENDIF}
// Delphi 7
{$IFDEF VER150}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$ENDIF}
// Delphi 8
{$IFDEF VER160}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$ENDIF}
// Delphi 2005
{$IFDEF VER170}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$ENDIF}
{$IFDEF VER180}
{$UNDEF DELPHI_VERSION_UNKNOW}
// Delphi 2007
{$IFDEF VER185}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
// Delphi 2006
{$ELSE}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$ENDIF}
{$ENDIF}
// Delphi 2009
{$IFDEF VER200}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$ENDIF}
//Delphi 2010
{$IFDEF VER210}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$ENDIF}
// Delphi XE
{$IFDEF VER220}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$ENDIF}
// Delphi XE2 (First FireMonkey and 64bit compiler)
{$IFDEF VER230}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$ENDIF}
// Delphi XE3
{$IFDEF VER240}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$ENDIF}
// Delphi XE4
{$IFDEF VER250}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$ENDIF}
// Delphi XE5
{$IFDEF VER260}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$ENDIF}
// Delphi XE6
{$IFDEF VER270}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$DEFINE DELPHI20_UP}
{$ENDIF}
// Delphi XE7
{$IFDEF VER280}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$DEFINE DELPHI20_UP}
{$DEFINE DELPHI21_UP}
{$ENDIF}
// Delphi XE8
{$IFDEF VER290}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$DEFINE DELPHI20_UP}
{$DEFINE DELPHI21_UP}
{$DEFINE DELPHI22_UP}
{$ENDIF VER290}
// Rad Studio 10 - Delphi Seattle
{$IFDEF VER300}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$DEFINE DELPHI20_UP}
{$DEFINE DELPHI21_UP}
{$DEFINE DELPHI22_UP}
{$DEFINE DELPHI23_UP}
{$ENDIF}
// Rad Studio 10.1 - Delphi Berlin
{$IFDEF VER310}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$DEFINE DELPHI20_UP}
{$DEFINE DELPHI21_UP}
{$DEFINE DELPHI22_UP}
{$DEFINE DELPHI23_UP}
{$DEFINE DELPHI24_UP}
{$ENDIF}
// Rad Studio 10.2 - Delphi Tokyo
{$IFDEF VER320}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$DEFINE DELPHI20_UP}
{$DEFINE DELPHI21_UP}
{$DEFINE DELPHI22_UP}
{$DEFINE DELPHI23_UP}
{$DEFINE DELPHI24_UP}
{$DEFINE DELPHI25_UP}
{$ENDIF}
// Rad Studio 10.3 - Delphi Rio
{$IFDEF VER330}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$DEFINE DELPHI20_UP}
{$DEFINE DELPHI21_UP}
{$DEFINE DELPHI22_UP}
{$DEFINE DELPHI23_UP}
{$DEFINE DELPHI24_UP}
{$DEFINE DELPHI25_UP}
{$DEFINE DELPHI26_UP}
{$ENDIF}
// Rad Studio 10.4 - Delphi Sydney
{$IFDEF VER340}
{$UNDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$DEFINE DELPHI20_UP}
{$DEFINE DELPHI21_UP}
{$DEFINE DELPHI22_UP}
{$DEFINE DELPHI23_UP}
{$DEFINE DELPHI24_UP}
{$DEFINE DELPHI25_UP}
{$DEFINE DELPHI26_UP}
{$DEFINE DELPHI27_UP}
{$ENDIF}
{$IFDEF FPC}
{$DEFINE SUPPORTS_INLINE}
{$IF DEFINED(FPC_FULLVERSION) AND (FPC_FULLVERSION >= 30200)}
{$DEFINE FPC_VER_320}
{$IFEND}
{$ELSE}
{$IFDEF DELPHI_VERSION_UNKNOW}
{$DEFINE DELPHI5_UP}
{$DEFINE DELPHI6_UP}
{$DEFINE DELPHI7_UP}
{$DEFINE DELPHI8_UP}
{$DEFINE DELPHI9_UP}
{$DEFINE DELPHI10_UP}
{$DEFINE DELPHI11_UP}
{$DEFINE DELPHI12_UP}
{$DEFINE DELPHI14_UP}
{$DEFINE DELPHI15_UP}
{$DEFINE DELPHI16_UP}
{$DEFINE DELPHI17_UP}
{$DEFINE DELPHI18_UP}
{$DEFINE DELPHI19_UP}
{$DEFINE DELPHI20_UP}
{$DEFINE DELPHI21_UP}
{$DEFINE DELPHI22_UP}
{$DEFINE DELPHI23_UP}
{$DEFINE DELPHI24_UP}
{$DEFINE DELPHI25_UP}
{$DEFINE DELPHI26_UP}
{$DEFINE DELPHI27_UP}
{$ENDIF}
{$ENDIF}
{$IFDEF DELPHI9_UP}
{$DEFINE SUPPORTS_INLINE}
{$ENDIF}
{$IF DEFINED(CPUX32) OR
DEFINED(CPU386) OR
DEFINED(CPUi386) OR
DEFINED(CPUPOWERPC32) OR
DEFINED(CPUSPARC32) OR
DEFINED(CPU32BITS) OR
DEFINED(CPUARM32) OR
DEFINED(WIN32) OR
DEFINED(IOS32) OR
DEFINED(MACOS32) OR
DEFINED(LINUX32) OR
DEFINED(POSIX32) OR
DEFINED(ANDROID32)}
{$DEFINE TARGET_32BITS}
{$IFEND}

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unit Interfaces;
{$mode objfpc}{$H+}
interface
{$IFDEF UNIX}{$IFNDEF DisableCWString}uses cwstring;{$ENDIF}{$ENDIF}
procedure CustomWidgetSetInitialization;
procedure CustomWidgetSetFinalization;
implementation
uses
{$IFNDEF EnableLibOverlay}
gtk2DisableLibOverlay,
{$ENDIF}
Gtk2Int, Forms;
procedure CustomWidgetSetInitialization;
begin
CreateWidgetset(TGtk2WidgetSet);
end;
procedure CustomWidgetSetFinalization;
begin
FreeWidgetSet;
end;
end.

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object ChildForm: TChildForm
Left = 543
Height = 256
Top = 145
Width = 352
Caption = 'Popup'
ClientHeight = 256
ClientWidth = 352
Color = clBtnFace
Font.Color = clWindowText
Font.Height = -11
Font.Name = 'Tahoma'
OnClose = FormClose
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnDestroy = FormDestroy
OnShow = FormShow
Position = poDefault
LCLVersion = '2.0.10.0'
object CEFLinkedWindowParent1: TCEFLinkedWindowParent
Left = 0
Height = 256
Top = 0
Width = 352
Align = alClient
TabStop = True
TabOrder = 0
OnEnter = CEFLinkedWindowParent1Enter
OnExit = CEFLinkedWindowParent1Exit
Chromium = Chromium1
end
object Chromium1: TChromium
OnGotFocus = Chromium1GotFocus
OnTitleChange = Chromium1TitleChange
OnBeforePopup = Chromium1BeforePopup
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 24
Top = 56
end
end

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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2021 Salvador Diaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
unit uChildForm;
{$mode objfpc}{$H+}
{$I cef.inc}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ExtCtrls, StdCtrls,
LMessages, SyncObjs,
uCEFChromium, uCEFTypes, uCEFInterfaces, uCEFConstants, uCEFWindowParent,
uCEFWinControl, uCEFLinkedWindowParent, uCEFChromiumEvents;
const
CEF_CLOSECHILD = $A52;
type
{ TChildForm }
TChildForm = class(TForm)
CEFLinkedWindowParent1: TCEFLinkedWindowParent;
Chromium1: TChromium;
procedure CEFLinkedWindowParent1Enter(Sender: TObject);
procedure CEFLinkedWindowParent1Exit(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1BeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var extra_info: ICefDictionaryValue; var noJavascriptAccess: Boolean; var Result: Boolean);
procedure Chromium1TitleChange(Sender: TObject; const browser: ICefBrowser; const title: ustring);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
procedure Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
procedure Chromium1GotFocus(Sender: TObject; const browser: ICefBrowser);
procedure FormShow(Sender: TObject);
protected
FCanClose : boolean;
FClosing : boolean;
FClientInitialized : boolean;
FPopupFeatures : TCefPopupFeatures;
procedure WMMove(var aMessage: TLMMove); message LM_MOVE;
procedure WMSize(var aMessage: TLMSize); message LM_SIZE;
procedure WMWindowPosChanged(var aMessage: TLMWindowPosChanged); message LM_WINDOWPOSCHANGED;
procedure BrowserCloseFormMsg(Data: PtrInt);
public
procedure AfterConstruction; override;
function CreateClientHandler(var windowInfo : TCefWindowInfo; var client : ICefClient; const targetFrameName : string; const popupFeatures : TCefPopupFeatures) : boolean;
procedure ApplyPopupFeatures;
procedure SendCompMessage(aMsg : cardinal; aData : PtrInt = 0);
property ClientInitialized : boolean read FClientInitialized;
property Closing : boolean read FClosing;
end;
implementation
{$R *.dfm}
uses
Math,
uCEFMiscFunctions, uCEFApplication, uMainForm;
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
// 3. TChromium.OnBeforeClose sets FCanClose := True and sends WM_CLOSE to the form.
procedure TChildForm.AfterConstruction;
begin
inherited AfterConstruction;
CreateHandle;
CEFLinkedWindowParent1.CreateHandle;
end;
function TChildForm.CreateClientHandler(var windowInfo : TCefWindowInfo;
var client : ICefClient;
const targetFrameName : string;
const popupFeatures : TCefPopupFeatures) : boolean;
var
TempRect : TRect;
begin
if Chromium1.CreateClientHandler(client, False) then
begin
Result := True;
FClientInitialized := True;
FPopupFeatures := popupFeatures;
TempRect := CEFLinkedWindowParent1.BoundsRect;
if (FPopupFeatures.widthset <> 0) then TempRect.Right := max(FPopupFeatures.width, 100);
if (FPopupFeatures.heightset <> 0) then TempRect.Bottom := max(FPopupFeatures.height, 100);
WindowInfoAsChild(windowInfo, CEFLinkedWindowParent1.Handle, TempRect, '');
end
else
Result := False;
end;
procedure TChildForm.ApplyPopupFeatures;
begin
if (FPopupFeatures.xset <> 0) then Chromium1.SetFormLeftTo(FPopupFeatures.x);
if (FPopupFeatures.yset <> 0) then Chromium1.SetFormTopTo(FPopupFeatures.y);
if (FPopupFeatures.widthset <> 0) then Chromium1.ResizeFormWidthTo(FPopupFeatures.width);
if (FPopupFeatures.heightset <> 0) then Chromium1.ResizeFormHeightTo(FPopupFeatures.height);
end;
procedure TChildForm.Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
begin
// We must wait until all browsers trigger the TChromium.OnBeforeClose event
// in order to close the application safely or we will have shutdown issues.
FCanClose := True;
SendCompMessage(CEF_BEFORECLOSE);
end;
procedure TChildForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
begin
// continue closing the browser
aAction := cbaClose;
end;
procedure TChildForm.Chromium1TitleChange(Sender: TObject; const browser: ICefBrowser; const title: ustring);
begin
Caption := title;
end;
procedure TChildForm.WMMove(var aMessage : TLMMove);
begin
inherited;
Chromium1.NotifyMoveOrResizeStarted;
end;
procedure TChildForm.WMSize(var aMessage: TLMSize);
begin
inherited;
Chromium1.NotifyMoveOrResizeStarted;
end;
procedure TChildForm.WMWindowPosChanged(var aMessage: TLMWindowPosChanged);
begin
inherited;
Chromium1.NotifyMoveOrResizeStarted;
end;
procedure TChildForm.FormClose(Sender: TObject; var CloseAction: TCloseAction);
begin
CloseAction := caFree;
end;
procedure TChildForm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
CanClose := FCanClose;
if not(FClosing) then
begin
FClosing := True;
Visible := False;
Chromium1.CloseBrowser(True);
end;
end;
procedure TChildForm.Chromium1BeforePopup(Sender: TObject;
const browser: ICefBrowser; const frame: ICefFrame; const targetUrl,
targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition;
userGesture: Boolean; const popupFeatures: TCefPopupFeatures;
var windowInfo: TCefWindowInfo; var client: ICefClient;
var settings: TCefBrowserSettings; var extra_info: ICefDictionaryValue;
var noJavascriptAccess: Boolean; var Result: Boolean);
begin
case targetDisposition of
WOD_NEW_FOREGROUND_TAB,
WOD_NEW_BACKGROUND_TAB,
WOD_NEW_WINDOW : Result := True; // For simplicity, this demo blocks new tabs and new windows.
WOD_NEW_POPUP : Result := not(TMainForm(Owner).CreateClientHandler(windowInfo, client, targetFrameName, popupFeatures));
else Result := False;
end;
end;
procedure TChildForm.FormCreate(Sender: TObject);
begin
FCanClose := False;
FClosing := False;
FClientInitialized := False;
end;
// This is a workaround for the CEF issue #2026
// https://bitbucket.org/chromiumembedded/cef/issues/2026/multiple-major-keyboard-focus-issues-on
// We use CEFLinkedWindowParent1.OnEnter, CEFLinkedWindowParent1.OnExit and
// TChromium.OnGotFocus to avoid most of the focus issues.
// CEFLinkedWindowParent1.TabStop must be TRUE.
procedure TChildForm.CEFLinkedWindowParent1Enter(Sender: TObject);
begin
if not(csDesigning in ComponentState) and
Chromium1.Initialized and
not(Chromium1.FrameIsFocused) then
Chromium1.SendFocusEvent(True);
end;
procedure TChildForm.CEFLinkedWindowParent1Exit(Sender: TObject);
begin
if not(csDesigning in ComponentState) then
Chromium1.SendCaptureLostEvent;
end;
procedure TChildForm.Chromium1GotFocus(Sender: TObject;
const browser: ICefBrowser);
begin
CEFLinkedWindowParent1.SetFocus;
end;
procedure TChildForm.FormShow(Sender: TObject);
begin
end;
procedure TChildForm.FormDestroy(Sender: TObject);
begin
if FClientInitialized then
TMainForm(Owner).SendCompMessage(CEF_CHILDDESTROYED);
end;
procedure TChildForm.BrowserCloseFormMsg(Data: PtrInt);
begin
Close;
end;
procedure TChildForm.SendCompMessage(aMsg : cardinal; aData : PtrInt);
begin
case aMsg of
CEF_BEFORECLOSE : Application.QueueAsyncCall(@BrowserCloseFormMsg, aData);
end;
end;
end.

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object MainForm: TMainForm
Left = 364
Height = 624
Top = 213
Width = 1038
Caption = 'Initializing browser. Please wait...'
ClientHeight = 624
ClientWidth = 1038
Color = clBtnFace
Font.Color = clWindowText
Font.Height = -11
Font.Name = 'Tahoma'
OnActivate = FormActivate
OnCloseQuery = FormCloseQuery
OnCreate = FormCreate
OnDestroy = FormDestroy
Position = poScreenCenter
LCLVersion = '2.0.10.0'
object AddressPnl: TPanel
Left = 0
Height = 21
Top = 0
Width = 1038
Align = alTop
BevelOuter = bvNone
ClientHeight = 21
ClientWidth = 1038
Enabled = False
TabOrder = 0
object AddressEdt: TEdit
Left = 0
Height = 21
Top = 0
Width = 1007
Align = alClient
TabOrder = 0
Text = 'file:///PopupBrowser.html'
end
object GoBtn: TButton
Left = 1007
Height = 21
Top = 0
Width = 31
Align = alRight
Caption = 'Go'
OnClick = GoBtnClick
TabOrder = 1
end
end
object CEFLinkedWindowParent1: TCEFLinkedWindowParent
Left = 0
Height = 603
Top = 21
Width = 1038
Align = alClient
TabStop = True
TabOrder = 1
OnEnter = CEFLinkedWindowParent1Enter
OnExit = CEFLinkedWindowParent1Exit
Chromium = Chromium1
end
object Chromium1: TChromium
OnGotFocus = Chromium1GotFocus
OnBeforePopup = Chromium1BeforePopup
OnAfterCreated = Chromium1AfterCreated
OnBeforeClose = Chromium1BeforeClose
OnClose = Chromium1Close
Left = 56
Top = 152
end
end

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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2021 Salvador Diaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
unit uMainForm;
{$mode objfpc}{$H+}
{$I cef.inc}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ExtCtrls, StdCtrls,
LMessages, SyncObjs,
uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFConstants, uCEFTypes,
uChildForm, uCEFWinControl, uCEFChromiumEvents, uCEFLinkedWindowParent;
const
CEF_CREATENEXTCHILD = $A50;
CEF_CHILDDESTROYED = $A51;
CEF_INITIALIZED = $A52;
type
{ TMainForm }
TMainForm = class(TForm)
AddressPnl: TPanel;
AddressEdt: TEdit;
CEFLinkedWindowParent1: TCEFLinkedWindowParent;
GoBtn: TButton;
Chromium1: TChromium;
procedure CEFLinkedWindowParent1Enter(Sender: TObject);
procedure CEFLinkedWindowParent1Exit(Sender: TObject);
procedure GoBtnClick(Sender: TObject);
procedure FormActivate(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser);
procedure Chromium1BeforePopup(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var extra_info: ICefDictionaryValue; var noJavascriptAccess: Boolean; var Result: Boolean);
procedure Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction: TCefCloseBrowserAction);
procedure Chromium1GotFocus(Sender: TObject; const browser: ICefBrowser);
protected
FChildForm : TChildForm;
FCriticalSection : TCriticalSection;
FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
FClosingMainForm : boolean; // Set to True in the CloseQuery event.
FClosingChildren : boolean; // Set to True in the CloseQuery event.
function GetPopupChildCount : integer;
procedure ClosePopupChildren;
procedure CreateHiddenChildForm;
procedure WMMove(var aMessage: TLMMove); message LM_MOVE;
procedure WMSize(var aMessage: TLMSize); message LM_SIZE;
procedure WMWindowPosChanged(var aMessage: TLMWindowPosChanged); message LM_WINDOWPOSCHANGED;
procedure BrowserCreatedMsg(Data: PtrInt);
procedure BrowserInitializedMsg(Data: PtrInt);
procedure BrowserCreateNextChildMsg(Data: PtrInt);
procedure BrowserChildDestroyedMsg(Data: PtrInt);
procedure BrowserCloseFormMsg(Data: PtrInt);
property PopupChildCount : integer read GetPopupChildCount;
public
function CreateClientHandler(var windowInfo : TCefWindowInfo; var client : ICefClient; const targetFrameName : string; const popupFeatures : TCefPopupFeatures) : boolean;
procedure SendCompMessage(aMsg : cardinal; aData : PtrInt = 0);
end;
var
MainForm: TMainForm;
procedure CreateGlobalCEFApp;
implementation
{$R *.lfm}
uses
LCLIntf,
uCEFApplication, uCEFMiscFunctions;
// This is demo shows how to create popup windows in CEF.
// You need to understand the SimpleBrowser2 demo completely before trying to understand this demo.
// When TChromium needs to show a new popup window it executes TChromium.OnBeforePopup.
// LCL components *MUST* be created and destroyed in the main thread but CEF executes the
// TChromium.OnBeforePopup in a different thread.
// For this reason this demo creates a hidden popup form (TChildForm) in case CEF needs to show a popup window.
// TChromium.OnBeforePopup calls TChildForm.CreateClientHandler to initialize some parameters and create the new ICefClient.
// After that, it sends a CEF_CREATENEXTCHILD message to show the popup form and create a new one.
// All the child forms must be correctly destroyed before closing the main form. Read the code comments in uChildForm.pas
// to know how the popup windows are destroyed.
// The main form close all active popup forms and waits until all of them have sent a CEF_CHILDDESTROYED message.
// Destruction steps
// =================
// 1. FormCloseQuery sets CanClose to FALSE and it closes all child forms.
// 2. When all the child forms are closed then FormCloseQuery is triggered again, sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
// 3. TChromium.OnClose sets aAction to cbaClose which triggers the TChromium.OnBeforeClose event.
// 4. TChromium.OnBeforeClose sets FCanClose := True and sends a CEF_BEFORECLOSE message to close the form in the main thread.
// Many other demos use a timer to create the browser but this demo sends a
// CEF_INITIALIZED message in the GlobalCEFApp.OnContextInitialized and
// TForm.OnActivate events
procedure GlobalCEFApp_OnContextInitialized;
begin
if (MainForm <> nil) and MainForm.Showing and MainForm.Focused then
MainForm.SendCompMessage(CEF_INITIALIZED);
end;
procedure CreateGlobalCEFApp;
begin
GlobalCEFApp := TCefApplication.Create;
GlobalCEFApp.OnContextInitialized := @GlobalCEFApp_OnContextInitialized;
end;
procedure TMainForm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
FClosingChildren := True;
Visible := False;
if (PopupChildCount > 0) then
begin
ClosePopupChildren;
CanClose := False;
end
else
begin
CanClose := FCanClose;
if not(FClosingMainForm) then
begin
FClosingMainForm := True;
Chromium1.CloseBrowser(True);
end;
end;
end;
procedure TMainForm.FormCreate(Sender: TObject);
begin
FClosingChildren := False;
FClosingMainForm := False;
FCanClose := False;
FCriticalSection := TCriticalSection.Create;
// CEF can't find the HTML if we load file:///filename.html in Linux so we
// add the full path manually.
// The "Click me to open a file" button in PopupBrowser.html will not work
// because of this limitation.
AddressEdt.Text := 'file://' + IncludeTrailingPathDelimiter(ExtractFileDir(ParamStr(0))) + 'PopupBrowser.html';
Chromium1.DefaultURL := UTF8Decode(AddressEdt.Text);
Chromium1.Options.BackgroundColor := CefColorSetARGB($FF, $FF, $FF, $FF);
CreateHiddenChildForm;
end;
procedure TMainForm.FormDestroy(Sender: TObject);
begin
FreeAndNil(FCriticalSection);
end;
procedure TMainForm.Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser);
begin
// Now the browser is fully initialized we can send a message to the main form
// to enable the user interface.
SendCompMessage(CEF_AFTERCREATED);
end;
procedure TMainForm.Chromium1BeforePopup(Sender : TObject;
const browser: ICefBrowser; const frame: ICefFrame; const targetUrl,
targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition;
userGesture: Boolean; const popupFeatures: TCefPopupFeatures;
var windowInfo: TCefWindowInfo; var client: ICefClient;
var settings: TCefBrowserSettings;
var extra_info: ICefDictionaryValue;
var noJavascriptAccess: Boolean;
var Result: Boolean);
begin
case targetDisposition of
WOD_NEW_FOREGROUND_TAB,
WOD_NEW_BACKGROUND_TAB,
WOD_NEW_WINDOW : Result := True; // For simplicity, this demo blocks new tabs and new windows.
WOD_NEW_POPUP : Result := not(CreateClientHandler(windowInfo, client, targetFrameName, popupFeatures));
else Result := False;
end;
end;
function TMainForm.CreateClientHandler(var windowInfo : TCefWindowInfo;
var client : ICefClient;
const targetFrameName : string;
const popupFeatures : TCefPopupFeatures) : boolean;
begin
try
FCriticalSection.Acquire;
if (FChildForm <> nil) and
FChildForm.CreateClientHandler(windowInfo, client, targetFrameName, popupFeatures) then
begin
SendCompMessage(CEF_CREATENEXTCHILD);
Result := True;
end;
finally
FCriticalSection.Release;
end;
end;
function TMainForm.GetPopupChildCount : integer;
var
i : integer;
TempForm : TCustomForm;
begin
Result := 0;
i := pred(screen.CustomFormCount);
while (i >= 0) do
begin
TempForm := screen.CustomForms[i];
// Only count the fully initialized child forms and not the one waiting to be used.
if (TempForm is TChildForm) and
TChildForm(TempForm).ClientInitialized then
inc(Result);
dec(i);
end;
end;
procedure TMainForm.ClosePopupChildren;
var
i : integer;
TempForm : TCustomForm;
begin
i := pred(screen.CustomFormCount);
while (i >= 0) do
begin
TempForm := screen.CustomForms[i];
// Only send WM_CLOSE to fully initialized child forms.
if (TempForm is TChildForm) and
TChildForm(TempForm).ClientInitialized and
not(TChildForm(TempForm).Closing) then
TempForm.Close;
dec(i);
end;
end;
procedure TMainForm.GoBtnClick(Sender: TObject);
begin
// This will load the URL in the edit box
Chromium1.LoadURL(UTF8Decode(AddressEdt.Text));
end;
// This is a workaround for the CEF issue #2026
// https://bitbucket.org/chromiumembedded/cef/issues/2026/multiple-major-keyboard-focus-issues-on
// We use CEFLinkedWindowParent1.OnEnter, CEFLinkedWindowParent1.OnExit and
// TChromium.OnGotFocus to avoid most of the focus issues.
// CEFLinkedWindowParent1.TabStop must be TRUE.
procedure TMainForm.CEFLinkedWindowParent1Enter(Sender: TObject);
begin
if not(csDesigning in ComponentState) and
Chromium1.Initialized and
not(Chromium1.FrameIsFocused) then
Chromium1.SendFocusEvent(True);
end;
procedure TMainForm.CEFLinkedWindowParent1Exit(Sender: TObject);
begin
if not(csDesigning in ComponentState) then
Chromium1.SendCaptureLostEvent;
end;
procedure TMainForm.Chromium1GotFocus(Sender: TObject;
const browser: ICefBrowser);
begin
CEFLinkedWindowParent1.SetFocus;
end;
procedure TMainForm.FormActivate(Sender: TObject);
begin
// Linux needs a fully formed window to add a Chromium browser so we use this
// event to send a CEF_INITIALIZED message that will create the browser.
SendCompMessage(CEF_INITIALIZED);
end;
procedure TMainForm.Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
begin
// We must wait until all browsers trigger the TChromium.OnBeforeClose event
// in order to close the application safely or we will have shutdown issues.
FCanClose := True;
SendCompMessage(CEF_BEFORECLOSE);
end;
procedure TMainForm.Chromium1Close(Sender: TObject; const browser: ICefBrowser;
var aAction: TCefCloseBrowserAction);
begin
// continue closing the browser
aAction := cbaClose;
end;
procedure TMainForm.WMMove(var aMessage : TLMMove);
begin
inherited;
Chromium1.NotifyMoveOrResizeStarted;
end;
procedure TMainForm.WMSize(var aMessage: TLMSize);
begin
inherited;
Chromium1.NotifyMoveOrResizeStarted;
end;
procedure TMainForm.WMWindowPosChanged(var aMessage: TLMWindowPosChanged);
begin
inherited;
Chromium1.NotifyMoveOrResizeStarted;
end;
procedure TMainForm.CreateHiddenChildForm;
begin
// Linux requires a fully formed window in order to add a Chromium browser so
// we show the next popup window outside the visible screen space and then we
// hide it.
FChildForm := TChildForm.Create(self);
FChildForm.Top := -1000;
FChildForm.Left := -1000;
FChildForm.Show;
FChildForm.Hide;
// Center the child form on the screen by default
FChildForm.Top := (screen.Height - FChildForm.Height) div 2;
FChildForm.Left := (screen.Width - FChildForm.Width) div 2;
end;
procedure TMainForm.BrowserCreatedMsg(Data: PtrInt);
begin
Caption := 'Popup Browser';
cursor := crDefault;
AddressPnl.Enabled := True;
end;
procedure TMainForm.BrowserInitializedMsg(Data: PtrInt);
begin
if not(Chromium1.Initialized) then
Chromium1.CreateBrowser(CEFLinkedWindowParent1.Handle, CEFLinkedWindowParent1.BoundsRect);
end;
procedure TMainForm.BrowserChildDestroyedMsg(Data: PtrInt);
begin
if FClosingChildren and (PopupChildCount = 0) then Close;
end;
procedure TMainForm.BrowserCreateNextChildMsg(Data: PtrInt);
begin
try
FCriticalSection.Acquire;
if (FChildForm <> nil) then
begin
FChildForm.ApplyPopupFeatures;
FChildForm.Show;
// SetActiveWindow should bring the child form to the front...
SetActiveWindow(FChildForm.Handle);
end;
CreateHiddenChildForm;
finally
FCriticalSection.Release;
end;
end;
procedure TMainForm.BrowserCloseFormMsg(Data: PtrInt);
begin
Close;
end;
procedure TMainForm.SendCompMessage(aMsg : cardinal; aData : PtrInt);
begin
case aMsg of
CEF_INITIALIZED : Application.QueueAsyncCall(@BrowserInitializedMsg, aData);
CEF_AFTERCREATED : Application.QueueAsyncCall(@BrowserCreatedMsg, aData);
CEF_CREATENEXTCHILD : Application.QueueAsyncCall(@BrowserCreateNextChildMsg, aData);
CEF_CHILDDESTROYED : Application.QueueAsyncCall(@BrowserChildDestroyedMsg, aData);
CEF_BEFORECLOSE : Application.QueueAsyncCall(@BrowserCloseFormMsg, aData);
end;
end;
end.

View File

@ -3,15 +3,14 @@
<ProjectSession>
<Version Value="11"/>
<BuildModes Active="Default"/>
<Units Count="101">
<Units Count="108">
<Unit0>
<Filename Value="SimpleOSRBrowser.lpr"/>
<IsPartOfProject Value="True"/>
<EditorIndex Value="1"/>
<TopLine Value="18"/>
<EditorIndex Value="-1"/>
<TopLine Value="29"/>
<CursorPos X="57" Y="58"/>
<UsageCount Value="78"/>
<Loaded Value="True"/>
<UsageCount Value="81"/>
</Unit0>
<Unit1>
<Filename Value="usimpleosrbrowser.pas"/>
@ -20,9 +19,10 @@
<HasResources Value="True"/>
<ResourceBaseClass Value="Form"/>
<UnitName Value="uSimpleOSRBrowser"/>
<TopLine Value="595"/>
<CursorPos X="53" Y="609"/>
<UsageCount Value="78"/>
<IsVisibleTab Value="True"/>
<TopLine Value="55"/>
<CursorPos X="65" Y="96"/>
<UsageCount Value="81"/>
<Bookmarks Count="2">
<Item0 X="47" Y="222" ID="2"/>
<Item1 X="76" Y="501" ID="6"/>
@ -34,11 +34,9 @@
<Filename Value="interfaces.pas"/>
<IsPartOfProject Value="True"/>
<UnitName Value="Interfaces"/>
<IsVisibleTab Value="True"/>
<EditorIndex Value="2"/>
<EditorIndex Value="-1"/>
<CursorPos X="40" Y="20"/>
<UsageCount Value="74"/>
<Loaded Value="True"/>
<UsageCount Value="77"/>
</Unit2>
<Unit3>
<Filename Value="/usr/share/lazarus/2.0.6/lcl/lcltype.pp"/>
@ -128,12 +126,12 @@
<Unit15>
<Filename Value="../../../source/uCEFBufferPanel.pas"/>
<EditorIndex Value="-1"/>
<TopLine Value="363"/>
<CursorPos Y="381"/>
<UsageCount Value="28"/>
<TopLine Value="111"/>
<CursorPos X="17" Y="123"/>
<UsageCount Value="29"/>
<Bookmarks Count="4">
<Item0 Y="997" ID="9"/>
<Item1 X="63" Y="579" ID="8"/>
<Item0 Y="1010" ID="9"/>
<Item1 X="63" Y="581" ID="8"/>
<Item2 X="5" Y="345" ID="7"/>
<Item3 X="5" Y="375" ID="1"/>
</Bookmarks>
@ -202,9 +200,9 @@
<Filename Value="/usr/share/lazarus/2.0.10/lcl/graphics.pp"/>
<UnitName Value="Graphics"/>
<EditorIndex Value="-1"/>
<TopLine Value="1075"/>
<CursorPos X="15" Y="1083"/>
<UsageCount Value="14"/>
<TopLine Value="1218"/>
<CursorPos X="14" Y="1240"/>
<UsageCount Value="15"/>
</Unit24>
<Unit25>
<Filename Value="/usr/share/lazarus/2.0.10/lcl/include/canvas.inc"/>
@ -707,8 +705,8 @@
<Unit94>
<Filename Value="../../../source/uCEFBitmapBitBuffer.pas"/>
<EditorIndex Value="-1"/>
<TopLine Value="110"/>
<CursorPos X="29" Y="126"/>
<TopLine Value="153"/>
<CursorPos X="58" Y="183"/>
<UsageCount Value="13"/>
</Unit94>
<Unit95>
@ -755,143 +753,69 @@
<CursorPos Y="357"/>
<UsageCount Value="11"/>
</Unit100>
<Unit101>
<Filename Value="../../../source/uCEFUrlRequestClientComponent.pas"/>
<EditorIndex Value="-1"/>
<TopLine Value="175"/>
<UsageCount Value="10"/>
</Unit101>
<Unit102>
<Filename Value="../../../source/uCEFUrlrequestClient.pas"/>
<EditorIndex Value="-1"/>
<TopLine Value="55"/>
<UsageCount Value="10"/>
</Unit102>
<Unit103>
<Filename Value="../../../source/uCEFServerEvents.pas"/>
<EditorIndex Value="-1"/>
<UsageCount Value="10"/>
</Unit103>
<Unit104>
<Filename Value="../../../source/uCEFServerComponent.pas"/>
<EditorIndex Value="-1"/>
<TopLine Value="329"/>
<UsageCount Value="10"/>
</Unit104>
<Unit105>
<Filename Value="../../../source/uCEFSentinel.pas"/>
<EditorIndex Value="-1"/>
<TopLine Value="73"/>
<CursorPos X="24" Y="101"/>
<UsageCount Value="10"/>
</Unit105>
<Unit106>
<Filename Value="../../../source/uCEFWorkScheduler.pas"/>
<EditorIndex Value="-1"/>
<TopLine Value="81"/>
<CursorPos X="17" Y="84"/>
<UsageCount Value="10"/>
</Unit106>
<Unit107>
<Filename Value="../../../source/uCEFLinkedWindowParent.pas"/>
<EditorIndex Value="-1"/>
<TopLine Value="56"/>
<CursorPos X="77" Y="127"/>
<UsageCount Value="10"/>
</Unit107>
</Units>
<OtherDefines Count="2">
<Define0 Value="UseCthreads"/>
<Define1 Value="EnabledGtkThreading"/>
</OtherDefines>
<JumpHistory Count="30" HistoryIndex="29">
<Position1>
<Filename Value="usimpleosrbrowser.pas"/>
<Caret Line="535" Column="58" TopLine="488"/>
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</JumpHistory>
<JumpHistory HistoryIndex="-1"/>
<RunParams>
<FormatVersion Value="2"/>
<Modes Count="0" ActiveMode=""/>
</RunParams>
</ProjectSession>
<Debugging>
<Watches Count="1">
<Watches Count="2">
<Item1>
<Expression Value="width"/>
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<Item2>
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</Item2>
</Watches>
</Debugging>
</CONFIG>

View File

@ -39,13 +39,13 @@
<ResourceBaseClass Value="Frame"/>
<IsVisibleTab Value="True"/>
<EditorIndex Value="3"/>
<TopLine Value="118"/>
<CursorPos X="16" Y="145"/>
<TopLine Value="442"/>
<CursorPos X="6" Y="440"/>
<UsageCount Value="24"/>
<Bookmarks Count="3">
<Item0 X="22" Y="471" ID="2"/>
<Item1 X="50" Y="392" ID="3"/>
<Item2 X="36" Y="415" ID="4"/>
<Item0 X="22" Y="477" ID="2"/>
<Item1 X="50" Y="397" ID="3"/>
<Item2 X="36" Y="420" ID="4"/>
</Bookmarks>
<Loaded Value="True"/>
<LoadedDesigner Value="True"/>
@ -125,123 +125,127 @@
<OtherDefines Count="1">
<Define0 Value="UseCThreads"/>
</OtherDefines>
<JumpHistory Count="29" HistoryIndex="28">
<JumpHistory Count="30" HistoryIndex="29">
<Position1>
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</Position1>
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</JumpHistory>
<RunParams>
<FormatVersion Value="2"/>

View File

@ -198,6 +198,7 @@ object BrowserFrame: TBrowserFrame
Top = 28
Width = 932
Align = alClient
TabStop = True
TabOrder = 2
OnEnter = CEFLinkedWindowParent1Enter
OnExit = CEFLinkedWindowParent1Exit

View File

@ -309,18 +309,29 @@ begin
SendCompMessage(CEF_AFTERCREATED);
end;
// This is a workaround for the CEF issue #2026
// https://bitbucket.org/chromiumembedded/cef/issues/2026/multiple-major-keyboard-focus-issues-on
// We use CEFLinkedWindowParent1.OnEnter, CEFLinkedWindowParent1.OnExit and
// TChromium.OnGotFocus to avoid most of the focus issues.
// CEFLinkedWindowParent1.TabStop must be TRUE.
procedure TBrowserFrame.CEFLinkedWindowParent1Exit(Sender: TObject);
begin
if not(csDesigning in ComponentState) then
Chromium1.SendCaptureLostEvent;
end;
procedure TBrowserFrame.CEFLinkedWindowParent1Enter(Sender: TObject);
begin
if not(csDesigning in ComponentState) and
Chromium1.Initialized and
not(Chromium1.FrameIsFocused) then
Chromium1.SendFocusEvent(True);
end;
end;
procedure TBrowserFrame.CEFLinkedWindowParent1Exit(Sender: TObject);
procedure TBrowserFrame.Chromium1GotFocus(Sender: TObject;
const browser: ICefBrowser);
begin
if not(csDesigning in ComponentState) then
Chromium1.SendCaptureLostEvent;
CEFLinkedWindowParent1.SetFocus;
end;
procedure TBrowserFrame.BackBtnClick(Sender: TObject);
@ -360,12 +371,6 @@ begin
aAction := cbaClose;
end;
procedure TBrowserFrame.Chromium1GotFocus(Sender: TObject;
const browser: ICefBrowser);
begin
CEFLinkedWindowParent1.SetFocus;
end;
procedure TBrowserFrame.Chromium1LoadError(Sender: TObject;
const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer;
const errorText, failedUrl: ustring);
@ -431,7 +436,8 @@ var
begin
TempURL := BrowserAddress;
if (URLCbx.Items.IndexOf(TempURL) < 0) then URLCbx.Items.Add(TempURL);
if (URLCbx.Items.IndexOf(TempURL) < 0) then
URLCbx.Items.Add(TempURL);
URLCbx.Text := TempURL;
end;

View File

@ -70,7 +70,6 @@ type
{$IFDEF FPC}{$IFDEF LINUX}
procedure SetVisible(Value: Boolean); override;
procedure UpdateSize; override;
{$ENDIF}{$ENDIF}
procedure SetChromium(aValue : TChromium);
@ -82,6 +81,9 @@ type
public
constructor Create(AOwner : TComponent); override;
{$IFDEF FPC}{$IFDEF LINUX}
procedure UpdateSize; override;
{$ENDIF}{$ENDIF}
published
property Chromium : TChromium read FChromium write SetChromium;

View File

@ -2,7 +2,7 @@
"UpdateLazPackages" : [
{
"ForceNotify" : true,
"InternalVersion" : 221,
"InternalVersion" : 222,
"Name" : "cef4delphi_lazarus.lpk",
"Version" : "87.1.12.0"
}