e15a1ac18e
This replaces the previously implemented wxWebViewWindowInfo. It explicitly breaks the previous API to enable WebKitGTK integration and to make the usage in application code less error prone. A new event wxEVT_WEBVIEW_NEWWINDOW_FEATURES is added to allow access to the window features and the child web view.
469 lines
17 KiB
C++
469 lines
17 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: webview.h
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// Purpose: Common interface and events for web view component
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// Author: Marianne Gagnon
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// Copyright: (c) 2010 Marianne Gagnon, 2011 Steven Lamerton
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_WEBVIEW_H_
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#define _WX_WEBVIEW_H_
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#include "wx/defs.h"
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#if wxUSE_WEBVIEW
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#include "wx/control.h"
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#include "wx/event.h"
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#include "wx/sstream.h"
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#include "wx/sharedptr.h"
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#include "wx/vector.h"
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#include "wx/versioninfo.h"
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#if defined(__WXOSX__)
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#include "wx/osx/webviewhistoryitem_webkit.h"
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#elif defined(__WXGTK__)
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#include "wx/gtk/webviewhistoryitem_webkit.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/webviewhistoryitem_ie.h"
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#else
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#error "wxWebView not implemented on this platform."
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#endif
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class wxFSFile;
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class wxFileSystem;
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class wxWebView;
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enum wxWebViewZoom
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{
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wxWEBVIEW_ZOOM_TINY,
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wxWEBVIEW_ZOOM_SMALL,
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wxWEBVIEW_ZOOM_MEDIUM,
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wxWEBVIEW_ZOOM_LARGE,
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wxWEBVIEW_ZOOM_LARGEST
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};
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enum wxWebViewZoomType
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{
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//Scales entire page, including images
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wxWEBVIEW_ZOOM_TYPE_LAYOUT,
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wxWEBVIEW_ZOOM_TYPE_TEXT
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};
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enum wxWebViewNavigationError
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{
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wxWEBVIEW_NAV_ERR_CONNECTION,
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wxWEBVIEW_NAV_ERR_CERTIFICATE,
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wxWEBVIEW_NAV_ERR_AUTH,
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wxWEBVIEW_NAV_ERR_SECURITY,
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wxWEBVIEW_NAV_ERR_NOT_FOUND,
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wxWEBVIEW_NAV_ERR_REQUEST,
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wxWEBVIEW_NAV_ERR_USER_CANCELLED,
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wxWEBVIEW_NAV_ERR_OTHER
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};
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enum wxWebViewReloadFlags
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{
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//Default, may access cache
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wxWEBVIEW_RELOAD_DEFAULT,
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wxWEBVIEW_RELOAD_NO_CACHE
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};
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enum wxWebViewFindFlags
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{
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wxWEBVIEW_FIND_WRAP = 0x0001,
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wxWEBVIEW_FIND_ENTIRE_WORD = 0x0002,
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wxWEBVIEW_FIND_MATCH_CASE = 0x0004,
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wxWEBVIEW_FIND_HIGHLIGHT_RESULT = 0x0008,
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wxWEBVIEW_FIND_BACKWARDS = 0x0010,
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wxWEBVIEW_FIND_DEFAULT = 0
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};
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enum wxWebViewNavigationActionFlags
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{
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wxWEBVIEW_NAV_ACTION_NONE,
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wxWEBVIEW_NAV_ACTION_USER,
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wxWEBVIEW_NAV_ACTION_OTHER
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};
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enum wxWebViewUserScriptInjectionTime
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{
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wxWEBVIEW_INJECT_AT_DOCUMENT_START,
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wxWEBVIEW_INJECT_AT_DOCUMENT_END
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};
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class WXDLLIMPEXP_WEBVIEW wxWebViewHandlerRequest
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{
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public:
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virtual ~wxWebViewHandlerRequest() { }
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virtual wxString GetRawURI() const = 0;
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virtual wxString GetURI() const { return GetRawURI(); }
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virtual wxInputStream* GetData() const = 0;
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virtual wxString GetDataString(const wxMBConv& conv = wxConvUTF8) const;
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virtual wxString GetMethod() const = 0;
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virtual wxString GetHeader(const wxString& name) const = 0;
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};
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class WXDLLIMPEXP_WEBVIEW wxWebViewHandlerResponseData
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{
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public:
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virtual ~wxWebViewHandlerResponseData() { }
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virtual wxInputStream* GetStream() = 0;
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};
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class WXDLLIMPEXP_WEBVIEW wxWebViewHandlerResponse
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{
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public:
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virtual ~wxWebViewHandlerResponse() { }
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virtual void SetStatus(int status) = 0;
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virtual void SetContentType(const wxString& contentType) = 0;
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virtual void SetHeader(const wxString& name, const wxString& value) = 0;
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virtual void Finish(wxSharedPtr<wxWebViewHandlerResponseData> data) = 0;
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virtual void Finish(const wxString& text, const wxMBConv& conv = wxConvUTF8);
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virtual void FinishWithError() = 0;
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};
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//Base class for custom scheme handlers
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class WXDLLIMPEXP_WEBVIEW wxWebViewHandler
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{
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public:
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wxWebViewHandler(const wxString& scheme)
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: m_scheme(scheme), m_securityURL() {}
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virtual ~wxWebViewHandler() {}
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virtual wxString GetName() const { return m_scheme; }
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virtual wxFSFile* GetFile(const wxString &uri);
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virtual void SetSecurityURL(const wxString& url) { m_securityURL = url; }
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virtual wxString GetSecurityURL() const { return m_securityURL; }
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virtual void SetVirtualHost(const wxString& host) { m_virtualHost = host; }
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virtual wxString GetVirtualHost() const;
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virtual void StartRequest(const wxWebViewHandlerRequest& request,
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wxSharedPtr<wxWebViewHandlerResponse> response);
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private:
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wxString m_scheme;
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wxString m_securityURL;
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wxString m_virtualHost;
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};
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class wxWebViewConfigurationImpl;
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class WXDLLIMPEXP_WEBVIEW wxWebViewConfiguration
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{
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public:
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explicit wxWebViewConfiguration(const wxString& backend, wxWebViewConfigurationImpl* impl);
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void* GetNativeConfiguration() const;
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void SetDataPath(const wxString& path);
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wxString GetDataPath() const;
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const wxString& GetBackend() const { return m_backend; }
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wxWebViewConfigurationImpl* GetImpl() const { return m_impl.get(); }
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private:
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wxString m_backend;
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std::shared_ptr<wxWebViewConfigurationImpl> m_impl;
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};
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extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewNameStr[];
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extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewDefaultURLStr[];
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extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewBackendDefault[];
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extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewBackendIE[];
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extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewBackendEdge[];
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extern WXDLLIMPEXP_DATA_WEBVIEW(const char) wxWebViewBackendWebKit[];
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class WXDLLIMPEXP_WEBVIEW wxWebViewFactory : public wxObject
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{
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public:
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virtual wxWebView* Create() = 0;
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virtual wxWebView* CreateWithConfig(const wxWebViewConfiguration& WXUNUSED(config)) { return Create(); }
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virtual wxWebView* Create(wxWindow* parent,
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wxWindowID id,
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const wxString& url = wxASCII_STR(wxWebViewDefaultURLStr),
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxASCII_STR(wxWebViewNameStr)) = 0;
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virtual bool IsAvailable() { return true; }
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virtual wxVersionInfo GetVersionInfo() { return wxVersionInfo(); }
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virtual wxWebViewConfiguration CreateConfiguration();
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};
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WX_DECLARE_STRING_HASH_MAP(wxSharedPtr<wxWebViewFactory>, wxStringWebViewFactoryMap);
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class WXDLLIMPEXP_WEBVIEW wxWebView : public wxControl
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{
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public:
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wxWebView()
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{
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m_showMenu = true;
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m_syncScriptResult = 0;
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}
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virtual ~wxWebView() {}
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virtual bool Create(wxWindow* parent,
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wxWindowID id,
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const wxString& url = wxASCII_STR(wxWebViewDefaultURLStr),
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxASCII_STR(wxWebViewNameStr)) = 0;
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// Factory methods allowing the use of custom factories registered with
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// RegisterFactory
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static wxWebView* New(const wxString& backend = wxASCII_STR(wxWebViewBackendDefault));
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static wxWebView* New(const wxWebViewConfiguration& config);
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static wxWebView* New(wxWindow* parent,
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wxWindowID id,
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const wxString& url = wxASCII_STR(wxWebViewDefaultURLStr),
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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const wxString& backend = wxASCII_STR(wxWebViewBackendDefault),
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long style = 0,
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const wxString& name = wxASCII_STR(wxWebViewNameStr));
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static void RegisterFactory(const wxString& backend,
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wxSharedPtr<wxWebViewFactory> factory);
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static bool IsBackendAvailable(const wxString& backend);
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static wxVersionInfo GetBackendVersionInfo(const wxString& backend = wxASCII_STR(wxWebViewBackendDefault));
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static wxWebViewConfiguration NewConfiguration(const wxString& backend = wxASCII_STR(wxWebViewBackendDefault));
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// General methods
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virtual void EnableContextMenu(bool enable = true)
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{
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m_showMenu = enable;
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}
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virtual void EnableAccessToDevTools(bool WXUNUSED(enable) = true) { }
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virtual void EnableBrowserAcceleratorKeys(bool WXUNUSED(enable) = true) { }
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virtual bool AreBrowserAcceleratorKeysEnabled() const { return false; }
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virtual wxString GetCurrentTitle() const = 0;
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virtual wxString GetCurrentURL() const = 0;
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// TODO: handle choosing a frame when calling GetPageSource()?
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virtual wxString GetPageSource() const;
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virtual wxString GetPageText() const;
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virtual bool IsBusy() const = 0;
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virtual bool IsContextMenuEnabled() const { return m_showMenu; }
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virtual bool IsAccessToDevToolsEnabled() const { return false; }
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virtual bool IsEditable() const = 0;
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virtual void LoadURL(const wxString& url) = 0;
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virtual void Print() = 0;
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virtual void RegisterHandler(wxSharedPtr<wxWebViewHandler> handler) = 0;
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virtual void Reload(wxWebViewReloadFlags flags = wxWEBVIEW_RELOAD_DEFAULT) = 0;
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virtual bool SetUserAgent(const wxString& userAgent) { wxUnusedVar(userAgent); return false; }
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virtual wxString GetUserAgent() const;
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// Script
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virtual bool RunScript(const wxString& javascript, wxString* output = nullptr) const;
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virtual void RunScriptAsync(const wxString& javascript, void* clientData = nullptr) const;
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virtual bool AddScriptMessageHandler(const wxString& name)
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{ wxUnusedVar(name); return false; }
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virtual bool RemoveScriptMessageHandler(const wxString& name)
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{ wxUnusedVar(name); return false; }
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virtual bool AddUserScript(const wxString& javascript,
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wxWebViewUserScriptInjectionTime injectionTime = wxWEBVIEW_INJECT_AT_DOCUMENT_START)
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{ wxUnusedVar(javascript); wxUnusedVar(injectionTime); return false; }
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virtual void RemoveAllUserScripts() {}
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virtual void SetEditable(bool enable = true) = 0;
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void SetPage(const wxString& html, const wxString& baseUrl)
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{
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DoSetPage(html, baseUrl);
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}
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void SetPage(wxInputStream& html, wxString baseUrl)
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{
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wxStringOutputStream stream;
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stream.Write(html);
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DoSetPage(stream.GetString(), baseUrl);
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}
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virtual void Stop() = 0;
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//History
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virtual bool CanGoBack() const = 0;
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virtual bool CanGoForward() const = 0;
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virtual void GoBack() = 0;
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virtual void GoForward() = 0;
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virtual void ClearHistory() = 0;
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virtual void EnableHistory(bool enable = true) = 0;
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virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetBackwardHistory() = 0;
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virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetForwardHistory() = 0;
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virtual void LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item) = 0;
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//Zoom
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virtual bool CanSetZoomType(wxWebViewZoomType type) const = 0;
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virtual wxWebViewZoom GetZoom() const;
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virtual float GetZoomFactor() const = 0;
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virtual wxWebViewZoomType GetZoomType() const = 0;
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virtual void SetZoom(wxWebViewZoom zoom);
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virtual void SetZoomFactor(float zoom) = 0;
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virtual void SetZoomType(wxWebViewZoomType zoomType) = 0;
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//Selection
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virtual void SelectAll() ;
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virtual bool HasSelection() const;
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virtual void DeleteSelection();
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virtual wxString GetSelectedText() const;
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virtual wxString GetSelectedSource() const;
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virtual void ClearSelection();
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//Clipboard functions
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virtual bool CanCut() const;
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virtual bool CanCopy() const;
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virtual bool CanPaste() const;
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virtual void Cut();
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virtual void Copy();
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virtual void Paste();
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//Undo / redo functionality
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virtual bool CanUndo() const = 0;
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virtual bool CanRedo() const = 0;
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virtual void Undo() = 0;
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virtual void Redo() = 0;
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//Get the pointer to the underlying native engine.
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virtual void* GetNativeBackend() const = 0;
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//Find function
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virtual long Find(const wxString& text, int flags = wxWEBVIEW_FIND_DEFAULT);
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protected:
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virtual void DoSetPage(const wxString& html, const wxString& baseUrl) = 0;
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bool QueryCommandEnabled(const wxString& command) const;
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void ExecCommand(const wxString& command);
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void SendScriptResult(void* clientData, bool success,
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const wxString& output) const;
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private:
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static void InitFactoryMap();
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static wxStringWebViewFactoryMap::iterator FindFactory(const wxString &backend);
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bool m_showMenu;
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mutable int m_syncScriptResult;
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mutable wxString m_syncScriptOutput;
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wxString m_findText;
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static wxStringWebViewFactoryMap m_factoryMap;
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wxDECLARE_ABSTRACT_CLASS(wxWebView);
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};
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class WXDLLIMPEXP_WEBVIEW wxWebViewWindowFeatures
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{
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public:
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wxWebViewWindowFeatures(wxWebView* childWebView);
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virtual ~wxWebViewWindowFeatures();
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wxWebView* GetChildWebView() const;
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virtual wxPoint GetPosition() const = 0;
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virtual wxSize GetSize() const = 0;
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virtual bool ShouldDisplayMenuBar() const = 0;
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virtual bool ShouldDisplayStatusBar() const = 0;
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virtual bool ShouldDisplayToolBar() const = 0;
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virtual bool ShouldDisplayScrollBars() const = 0;
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protected:
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mutable bool m_childWebViewWasUsed;
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std::unique_ptr<wxWebView> m_childWebView;
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};
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class WXDLLIMPEXP_WEBVIEW wxWebViewEvent : public wxNotifyEvent
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{
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public:
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wxWebViewEvent() {}
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wxWebViewEvent(wxEventType type, int id, const wxString& url,
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const wxString target,
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wxWebViewNavigationActionFlags flags = wxWEBVIEW_NAV_ACTION_NONE,
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const wxString& messageHandler = wxString())
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: wxNotifyEvent(type, id), m_url(url), m_target(target),
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m_actionFlags(flags), m_messageHandler(messageHandler)
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{}
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bool IsError() const { return GetInt() == 0; }
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bool IsTargetMainFrame() const { return GetInt() == 1; }
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const wxString& GetURL() const { return m_url; }
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const wxString& GetTarget() const { return m_target; }
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wxWebViewNavigationActionFlags GetNavigationAction() const { return m_actionFlags; }
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const wxString& GetMessageHandler() const { return m_messageHandler; }
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wxWebViewWindowFeatures* GetTargetWindowFeatures() const { return (wxWebViewWindowFeatures*)m_clientData; }
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virtual wxEvent* Clone() const override { return new wxWebViewEvent(*this); }
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private:
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wxString m_url;
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wxString m_target;
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wxWebViewNavigationActionFlags m_actionFlags;
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wxString m_messageHandler;
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wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN_DEF_COPY(wxWebViewEvent);
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};
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_NAVIGATING, wxWebViewEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_NAVIGATED, wxWebViewEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_LOADED, wxWebViewEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_ERROR, wxWebViewEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_NEWWINDOW, wxWebViewEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_NEWWINDOW_FEATURES, wxWebViewEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_WINDOW_CLOSE_REQUESTED, wxWebViewEvent);
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_TITLE_CHANGED, wxWebViewEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_FULLSCREEN_CHANGED, wxWebViewEvent);
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_SCRIPT_MESSAGE_RECEIVED, wxWebViewEvent);
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_WEBVIEW, wxEVT_WEBVIEW_SCRIPT_RESULT, wxWebViewEvent);
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typedef void (wxEvtHandler::*wxWebViewEventFunction)
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(wxWebViewEvent&);
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#define wxWebViewEventHandler(func) \
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wxEVENT_HANDLER_CAST(wxWebViewEventFunction, func)
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#define EVT_WEBVIEW_NAVIGATING(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_NAVIGATING, id, \
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wxWebViewEventHandler(fn))
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#define EVT_WEBVIEW_NAVIGATED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_NAVIGATED, id, \
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wxWebViewEventHandler(fn))
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#define EVT_WEBVIEW_LOADED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_LOADED, id, \
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wxWebViewEventHandler(fn))
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#define EVT_WEBVIEW_ERROR(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_ERROR, id, \
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wxWebViewEventHandler(fn))
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#define EVT_WEBVIEW_NEWWINDOW(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_NEWWINDOW, id, \
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wxWebViewEventHandler(fn))
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#define EVT_WEBVIEW_TITLE_CHANGED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_TITLE_CHANGED, id, \
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wxWebViewEventHandler(fn))
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#define EVT_WEBVIEW_FULLSCREEN_CHANGED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_FULLSCREEN_CHANGED, id, \
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wxWebViewEventHandler(fn))
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#define EVT_WEBVIEW_SCRIPT_MESSAGE_RECEIVED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_SCRIPT_MESSAGE_RECEIVED, id, \
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wxWebViewEventHandler(fn))
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#define EVT_WEBVIEW_SCRIPT_RESULT(id, fn) \
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wx__DECLARE_EVT1(wxEVT_WEBVIEW_SCRIPT_RESULT, id, \
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wxWebViewEventHandler(fn))
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// old wxEVT_COMMAND_* constants
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#define wxEVT_COMMAND_WEBVIEW_NAVIGATING wxEVT_WEBVIEW_NAVIGATING
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#define wxEVT_COMMAND_WEBVIEW_NAVIGATED wxEVT_WEBVIEW_NAVIGATED
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#define wxEVT_COMMAND_WEBVIEW_LOADED wxEVT_WEBVIEW_LOADED
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#define wxEVT_COMMAND_WEBVIEW_ERROR wxEVT_WEBVIEW_ERROR
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#define wxEVT_COMMAND_WEBVIEW_NEWWINDOW wxEVT_WEBVIEW_NEWWINDOW
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#define wxEVT_COMMAND_WEBVIEW_TITLE_CHANGED wxEVT_WEBVIEW_TITLE_CHANGED
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#endif // wxUSE_WEBVIEW
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#endif // _WX_WEBVIEW_H_
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