mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-17 08:45:56 +01:00
7f3e3415ef
Converted the OSRExternalPumpBrowser demo to GTK3 Converted the TinyBrowser demo to GTK3 Converted the TinyBrowser2 demo to GTK3 Moved all Lazarus demos for Linux to the Lazarus_Linux_GTK2 directory Fixed the Copy.CEF.DLLs tool thanks to fraurino
150 lines
4.5 KiB
ObjectPascal
150 lines
4.5 KiB
ObjectPascal
// ************************************************************************
|
|
// ***************************** 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 © 2022 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 uBrowserTab;
|
|
|
|
{$mode objfpc}{$H+}
|
|
|
|
{$I cef.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
LCLIntf, LCLType, LMessages, Classes, Messages, ComCtrls, Controls,
|
|
Forms,
|
|
uBrowserFrame;
|
|
|
|
type
|
|
TBrowserTab = class(TTabSheet)
|
|
protected
|
|
FBrowserFrame : TBrowserFrame;
|
|
FTabID : cardinal;
|
|
|
|
function GetParentForm : TCustomForm;
|
|
|
|
procedure SendFormMessage(aMsg : cardinal; aData : PtrInt = 0);
|
|
|
|
procedure BrowserFrame_OnBrowserDestroyed(Sender: TObject);
|
|
procedure BrowserFrame_OnBrowserTitleChange(Sender: TObject; const aTitle : string);
|
|
|
|
property ParentForm : TCustomForm read GetParentForm;
|
|
|
|
public
|
|
constructor Create(AOwner: TComponent; aTabID : cardinal; const aCaption : string); reintroduce;
|
|
procedure NotifyMoveOrResizeStarted;
|
|
procedure CreateBrowser(const aHomepage : string);
|
|
procedure CloseBrowser;
|
|
|
|
property TabID : cardinal read FTabID;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
uMainForm;
|
|
|
|
constructor TBrowserTab.Create(AOwner: TComponent; aTabID : cardinal; const aCaption : string);
|
|
begin
|
|
inherited Create(AOwner);
|
|
|
|
FTabID := aTabID;
|
|
Caption := aCaption;
|
|
FBrowserFrame := nil;
|
|
end;
|
|
|
|
function TBrowserTab.GetParentForm : TCustomForm;
|
|
var
|
|
TempParent : TWinControl;
|
|
begin
|
|
TempParent := Parent;
|
|
|
|
while (TempParent <> nil) and not(TempParent is TCustomForm) do
|
|
TempParent := TempParent.Parent;
|
|
|
|
if (TempParent <> nil) and (TempParent is TCustomForm) then
|
|
Result := TCustomForm(TempParent)
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
procedure TBrowserTab.SendFormMessage(aMsg : cardinal; aData : PtrInt);
|
|
var
|
|
TempForm : TCustomForm;
|
|
begin
|
|
TempForm := ParentForm;
|
|
if (TempForm <> nil) and (TempForm is TMainForm) then
|
|
TMainForm(TempForm).SendCompMessage(aMsg, aData);
|
|
end;
|
|
|
|
procedure TBrowserTab.NotifyMoveOrResizeStarted;
|
|
begin
|
|
FBrowserFrame.NotifyMoveOrResizeStarted;
|
|
end;
|
|
|
|
procedure TBrowserTab.CreateBrowser(const aHomepage : string);
|
|
begin
|
|
FBrowserFrame := TBrowserFrame.Create(self);
|
|
FBrowserFrame.Parent := self;
|
|
FBrowserFrame.Align := alClient;
|
|
FBrowserFrame.Visible := True;
|
|
FBrowserFrame.Homepage := aHomepage;
|
|
FBrowserFrame.OnBrowserDestroyed := @BrowserFrame_OnBrowserDestroyed;
|
|
FBrowserFrame.OnBrowserTitleChange := @BrowserFrame_OnBrowserTitleChange;
|
|
|
|
FBrowserFrame.CreateBrowser;
|
|
end;
|
|
|
|
procedure TBrowserTab.CloseBrowser;
|
|
begin
|
|
if (FBrowserFrame <> nil) then FBrowserFrame.CloseBrowser;
|
|
end;
|
|
|
|
procedure TBrowserTab.BrowserFrame_OnBrowserDestroyed(Sender: TObject);
|
|
begin
|
|
// This event is executed in a CEF thread so we have to use
|
|
// Application.QueueAsyncCall to destroy the tab in the main application
|
|
// thread.
|
|
SendFormMessage(CEF_DESTROYTAB, PtrInt(TabID));
|
|
end;
|
|
|
|
procedure TBrowserTab.BrowserFrame_OnBrowserTitleChange(Sender: TObject; const aTitle : string);
|
|
begin
|
|
Caption := aTitle;
|
|
end;
|
|
|
|
end.
|