mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-15 15:55:56 +01:00
141 lines
4.3 KiB
ObjectPascal
141 lines
4.3 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 © 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 uCEFScrollView;
|
|
|
|
{$IFDEF FPC}
|
|
{$MODE OBJFPC}{$H+}
|
|
{$ENDIF}
|
|
|
|
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
|
|
{$MINENUMSIZE 4}
|
|
|
|
{$I cef.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
{$IFDEF DELPHI16_UP}
|
|
System.Classes, System.SysUtils,
|
|
{$ELSE}
|
|
Classes, SysUtils,
|
|
{$ENDIF}
|
|
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes, uCEFView;
|
|
|
|
type
|
|
TCefScrollViewRef = class(TCefViewRef, ICefScrollView)
|
|
protected
|
|
procedure SetContentView(const view: ICefView);
|
|
function GetContentView : ICefView;
|
|
function GetVisibleContentRect : TCefRect;
|
|
function HasHorizontalScrollbar : boolean;
|
|
function GetHorizontalScrollbarHeight : Integer;
|
|
function HasVerticalScrollbar : boolean;
|
|
function GetVerticalScrollbarWidth : Integer;
|
|
|
|
public
|
|
class function UnWrap(data: Pointer): ICefScrollView;
|
|
class function CreateScrollView(const delegate: ICefViewDelegate): ICefScrollView;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
uCEFLibFunctions, uCEFMiscFunctions;
|
|
|
|
procedure TCefScrollViewRef.SetContentView(const view: ICefView);
|
|
begin
|
|
PCefScrollView(FData)^.set_content_view(PCefScrollView(FData),
|
|
CefGetData(view));
|
|
end;
|
|
|
|
function TCefScrollViewRef.GetContentView : ICefView;
|
|
begin
|
|
Result := TCefViewRef.UnWrap(PCefScrollView(FData)^.get_content_view(PCefScrollView(FData)));
|
|
end;
|
|
|
|
function TCefScrollViewRef.GetVisibleContentRect : TCefRect;
|
|
begin
|
|
Result := PCefScrollView(FData)^.get_visible_content_rect(PCefScrollView(FData));
|
|
end;
|
|
|
|
function TCefScrollViewRef.HasHorizontalScrollbar : boolean;
|
|
begin
|
|
Result := (PCefScrollView(FData)^.has_horizontal_scrollbar(PCefScrollView(FData)) <> 0);
|
|
end;
|
|
|
|
function TCefScrollViewRef.GetHorizontalScrollbarHeight : Integer;
|
|
begin
|
|
Result := PCefScrollView(FData)^.get_horizontal_scrollbar_height(PCefScrollView(FData));
|
|
end;
|
|
|
|
function TCefScrollViewRef.HasVerticalScrollbar : boolean;
|
|
begin
|
|
Result := (PCefScrollView(FData)^.has_vertical_scrollbar(PCefScrollView(FData)) <> 0);
|
|
end;
|
|
|
|
function TCefScrollViewRef.GetVerticalScrollbarWidth : Integer;
|
|
begin
|
|
Result := PCefScrollView(FData)^.get_vertical_scrollbar_width(PCefScrollView(FData));
|
|
end;
|
|
|
|
class function TCefScrollViewRef.UnWrap(data: Pointer): ICefScrollView;
|
|
begin
|
|
if (data <> nil) then
|
|
Result := Create(data) as ICefScrollView
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
class function TCefScrollViewRef.CreateScrollView(const delegate: ICefViewDelegate): ICefScrollView;
|
|
var
|
|
TempScrollView : PCefScrollView;
|
|
begin
|
|
Result := nil;
|
|
|
|
if (delegate <> nil) then
|
|
begin
|
|
TempScrollView := cef_scroll_view_create(CefGetData(delegate));
|
|
|
|
if (TempScrollView <> nil) then
|
|
Result := Create(TempScrollView) as ICefScrollView;
|
|
end;
|
|
end;
|
|
|
|
end.
|
|
|