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Move wxWebView documentation into a separate interface file and add the wxWeb library to the libraries page

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/SOC2011_WEBVIEW@67764 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Steve Lamerton 2011-05-19 18:28:01 +00:00
parent 7aa18fc786
commit dec53e5a56
3 changed files with 388 additions and 38 deletions
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8
docs/doxygen/mainpages/libs.h
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@ -39,6 +39,7 @@ digraph Dependancies
wxRichText [fillcolor = green, URL = "\ref page_libs_wxrichtext"];
wxSTC [fillcolor = green, URL = "\ref page_libs_wxstc"];
wxXRC [fillcolor = green, URL = "\ref page_libs_wxxrc"];
wxWeb [fillcolor = green, URL = "\ref page_libs_wxweb"];
wxCore -> wxBase;
wxNet -> wxBase;
@ -55,6 +56,7 @@ digraph Dependancies
wxRichText -> wxAdvanced; wxRichText -> wxHTML; wxRichText -> wxXML;
wxSTC -> wxCore;
wxXRC -> wxAdvanced; wxXRC -> wxHTML; wxXRC -> wxXML;
wxWeb -> wxCore;
}
@enddot
@ -202,5 +204,11 @@ text editor. See <http://www.scintilla.org/> for more info about Scintilla.
Requires @ref page_libs_wxcore, @ref page_libs_wxbase.
@section page_libs_wxweb wxWeb
The wxWeb library contains the wxWebView control.
Requires @ref page_libs_wxcore, @ref page_libs_wxbase.
*/

38
include/wx/webview.h
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@ -96,44 +96,6 @@ enum wxWebViewBackend
extern WXDLLIMPEXP_DATA_WEB(const char) wxWebViewNameStr[];
extern WXDLLIMPEXP_DATA_WEB(const char) wxWebViewDefaultURLStr[];
/**
* @class wxWebView
*
* This control may be used to render web (HTML / CSS / javascript) documents.
* Capabilities of the HTML renderer will depend upon the backed.
* TODO: describe each backend and its capabilities here
*
* Note that errors are generally reported asynchronously though the
* wxEVT_COMMAND_WEB_VIEW_ERROR event described below.
*
* @beginEventEmissionTable{wxWebNavigationEvent}
* @event{EVT_BUTTON(id, func)}
*
* @event{EVT_WEB_VIEW_NAVIGATING(id, func)}
* Process a wxEVT_COMMAND_WEB_VIEW_NAVIGATING event, generated before trying
* to get a resource. This event may be vetoed to prevent navigating to this
* resource. Note that if the displayed HTML document has several frames, one
* such event will be generated per frame.
*
* @event{EVT_WEB_VIEW_NAVIGATED(id, func)}
* Process a wxEVT_COMMAND_WEB_VIEW_NAVIGATED event generated after it was
* confirmed that a resource would be requested. This event may not be vetoed.
* Note that if the displayed HTML document has several frames, one such event
* will be generated per frame.
*
* @event{EVT_WEB_VIEW_LOADED(id, func)}
* Process a wxEVT_COMMAND_WEB_VIEW_LOADED event generated when the document
* is fully loaded and displayed.
*
* @event{EVT_WEB_VIEW_ERRROR(id, func)}
* Process a wxEVT_COMMAND_WEB_VIEW_ERROR event generated when a navigation
* error occurs.
* The integer associated with this event will be a wxWebNavigationError item.
* The string associated with this event may contain a backend-specific more
* precise error message/code.
*
* @endEventTable
*/
class WXDLLIMPEXP_WEB wxWebView : public wxControl
{
public:

380
interface/wx/webview.h Normal file
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@ -0,0 +1,380 @@
/////////////////////////////////////////////////////////////////////////////
// Name: webview.h
// Purpose: interface of wxWebView
// Author: wxWidgets team
// RCS-ID: $Id:$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
/**
Zoom levels availiable in wxWebView
*/
enum wxWebViewZoom
{
wxWEB_VIEW_ZOOM_TINY,
wxWEB_VIEW_ZOOM_SMALL,
wxWEB_VIEW_ZOOM_MEDIUM, //!< default size
wxWEB_VIEW_ZOOM_LARGE,
wxWEB_VIEW_ZOOM_LARGEST
};
/**
The type of zooming that the web view control can perform
*/
enum wxWebViewZoomType
{
/**
The entire layout scales when zooming, including images
*/
wxWEB_VIEW_ZOOM_TYPE_LAYOUT,
/**
Only the text changes in size when zooming, images and other layout
elements retain their initial size
*/
wxWEB_VIEW_ZOOM_TYPE_TEXT
};
/**
Types of errors that can cause navigation to fail
*/
enum wxWebNavigationError
{
/** Connection error (timeout, etc.) */
wxWEB_NAV_ERR_CONNECTION = 1,
/** Invalid certificate */
wxWEB_NAV_ERR_CERTIFICATE = 2,
/** Authentication required */
wxWEB_NAV_ERR_AUTH = 3,
/** Other security error */
wxWEB_NAV_ERR_SECURITY = 4,
/** Requested resource not found */
wxWEB_NAV_ERR_NOT_FOUND = 5,
/** Invalid request/parameters (e.g. bad URL, bad protocol,
unsupported resource type) */
wxWEB_NAV_ERR_REQUEST = 6,
/** The user cancelled (e.g. in a dialog) */
wxWEB_NAV_ERR_USER_CANCELLED = 7,
/** Another (exotic) type of error that didn't fit in other categories*/
wxWEB_NAV_ERR_OTHER = 8
};
/**
Type of refresh
*/
enum wxWebViewReloadFlags
{
/** Default reload, will access cache */
wxWEB_VIEW_RELOAD_DEFAULT = 0,
/** Reload the current view without accessing the cache */
wxWEB_VIEW_RELOAD_NO_CACHE
};
/**
* List of available backends for wxWebView
*/
enum wxWebViewBackend
{
/** Value that may be passed to wxWebView to let it pick an appropriate
* engine for the current platform*/
wxWEB_VIEW_BACKEND_DEFAULT,
/** The OSX-native WebKit web engine */
wxWEB_VIEW_BACKEND_OSX_WEBKIT,
/** The GTK port of the WebKit engine */
wxWEB_VIEW_BACKEND_GTK_WEBKIT,
/** Use Microsoft Internet Explorer as web engine */
wxWEB_VIEW_BACKEND_IE
};
/**
@class wxWebView
This control may be used to render web (HTML / CSS / javascript) documents.
Capabilities of the HTML renderer will depend upon the backed.
TODO: describe each backend and its capabilities here
Note that errors are generally reported asynchronously though the
@c wxEVT_COMMAND_WEB_VIEW_ERROR event described below.
@beginEventEmissionTable{wxWebNavigationEvent}
@event{EVT_WEB_VIEW_NAVIGATING(id, func)}
Process a @c wxEVT_COMMAND_WEB_VIEW_NAVIGATING event, generated before trying
to get a resource. This event may be vetoed to prevent navigating to this
resource. Note that if the displayed HTML document has several frames, one
such event will be generated per frame.
@event{EVT_WEB_VIEW_NAVIGATED(id, func)}
Process a @c wxEVT_COMMAND_WEB_VIEW_NAVIGATED event generated after it was
confirmed that a resource would be requested. This event may not be vetoed.
Note that if the displayed HTML document has several frames, one such event
will be generated per frame.
@event{EVT_WEB_VIEW_LOADED(id, func)}
Process a @c wxEVT_COMMAND_WEB_VIEW_LOADED event generated when the document
is fully loaded and displayed.
@event{EVT_WEB_VIEW_ERRROR(id, func)}
Process a @c wxEVT_COMMAND_WEB_VIEW_ERROR event generated when a navigation
error occurs.
The integer associated with this event will be a wxWebNavigationError item.
The string associated with this event may contain a backend-specific more
precise error message/code.
@endEventTable
@library{wxweb}
@category{ctrl}
*/
class wxWebView : public wxControl
{
public:
/**
Creation function for two-step creation.
*/
virtual bool Create(wxWindow* parent,
wxWindowID id,
const wxString& url,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name) = 0;
/**
Factory function to create a new wxWebView for two-step creation
(you need to call wxWebView::Create on the returned object)
@param backend which web engine to use as backend for wxWebView
@return the created wxWebView, or NULL if the requested backend is
not available
*/
static wxWebView* New(wxWebViewBackend backend = wxWEB_VIEW_BACKEND_DEFAULT);
/**
Factory function to create a new wxWebView
@param parent parent window to create this view in
@param id ID of this control
@param url URL to load by default in the web view
@param pos position to create this control at
(you may use wxDefaultPosition if you use sizers)
@param size size to create this control with
(you may use wxDefaultSize if you use sizers)
@param backend which web engine to use as backend for wxWebView
@return the created wxWebView, or NULL if the requested backend
is not available
*/
static wxWebView* New(wxWindow* parent,
wxWindowID id,
const wxString& url = wxWebViewDefaultURLStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
wxWebViewBackend backend = wxWEB_VIEW_BACKEND_DEFAULT,
long style = 0,
const wxString& name = wxWebViewNameStr);
/**
Get whether it is possible to navigate back in the history of
visited pages
*/
virtual bool CanGoBack() = 0;
/**
Get whether it is possible to navigate forward in the history of
visited pages
*/
virtual bool CanGoForward() = 0;
/**
Navigate back in the history of visited pages.
Only valid if CanGoBack() returned true.
*/
virtual void GoBack() = 0;
/**
Navigate forwardin the history of visited pages.
Only valid if CanGoForward() returned true.
*/
virtual void GoForward() = 0;
/**
Load a HTMl document (web page) from a URL
@param url the URL where the HTML document to display can be found
@note web engines generally report errors asynchronously, so if you wish
to know whether loading the URL was successful, register to receive
navigation error events
*/
virtual void LoadUrl(const wxString& url) = 0;
/**
Stop the current page loading process, if any.
May trigger an error event of type @c wxWEB_NAV_ERR_USER_CANCELLED.
TODO: make @c wxWEB_NAV_ERR_USER_CANCELLED errors uniform across ports.
*/
virtual void Stop() = 0;
/**
Reload the currently displayed URL.
@param flags A bit array that may optionnally contain reload options
*/
virtual void Reload(wxWebViewReloadFlags flags = wxWEB_VIEW_RELOAD_DEFAULT) = 0;
/**
Get the URL of the currently displayed document
*/
virtual wxString GetCurrentURL() = 0;
/**
Get the title of the current web page, or its URL/path if title is not
available
*/
virtual wxString GetCurrentTitle() = 0;
/**
Get the HTML source code of the currently displayed document
@return the HTML source code, or an empty string if no page is currently
shown
*/
virtual wxString GetPageSource() = 0;
/**
Get the zoom factor of the page
@return How much the HTML document is zoomed (scaleed)
*/
virtual wxWebViewZoom GetZoom() = 0;
/**
Set the zoom factor of the page
@param zoom How much to zoom (scale) the HTML document
*/
virtual void SetZoom(wxWebViewZoom zoom) = 0;
/**
Set how to interpret the zoom factor
@param zoomType how the zoom factor should be interpreted by the
HTML engine
@note invoke canSetZoomType() first, some HTML renderers may not
support all zoom types
*/
virtual void SetZoomType(wxWebViewZoomType zoomType) = 0;
/**
Get how the zoom factor is currently interpreted
@return how the zoom factor is currently interpreted by the HTML engine
*/
virtual wxWebViewZoomType GetZoomType() const = 0;
/**
Retrieve whether the current HTML engine supports a type of zoom
@param type the type of zoom to test
@return whether this type of zoom is supported by this HTML engine
(and thus can be set through setZoomType())
*/
virtual bool CanSetZoomType(wxWebViewZoomType type) const = 0;
/**
Set the displayed page source to the contents of the given string
@param html the string that contains the HTML data to display
@param baseUrl URL assigned to the HTML data, to be used to resolve
relative paths, for instance
*/
virtual void SetPage(const wxString& html, const wxString& baseUrl) = 0;
/**
Set the displayed page source to the contents of the given stream
@param html the stream to read HTML data from
@param baseUrl URL assigned to the HTML data, to be used to resolve
relative paths, for instance
*/
virtual void SetPage(wxInputStream& html, wxString baseUrl)
{
wxStringOutputStream stream;
stream.Write(html);
SetPage(stream.GetString(), baseUrl);
}
/**
Opens a print dialog so that the user may print the currently
displayed page.
*/
virtual void Print() = 0;
/**
Returns whether the web control is currently busy (e.g. loading a page)
*/
virtual bool IsBusy() = 0;
};
/**
@class wxWebNavigationEvent
A navigation event holds information about events associated with
wxWebView objects.
@beginEventEmissionTable{wxWebNavigationEvent}
@event{EVT_WEB_VIEW_NAVIGATING(id, func)}
Process a @c wxEVT_COMMAND_WEB_VIEW_NAVIGATING event, generated before trying
to get a resource. This event may be vetoed to prevent navigating to this
resource. Note that if the displayed HTML document has several frames, one
such event will be generated per frame.
@event{EVT_WEB_VIEW_NAVIGATED(id, func)}
Process a @c wxEVT_COMMAND_WEB_VIEW_NAVIGATED event generated after it was
confirmed that a resource would be requested. This event may not be vetoed.
Note that if the displayed HTML document has several frames, one such event
will be generated per frame.
@event{EVT_WEB_VIEW_LOADED(id, func)}
Process a @c wxEVT_COMMAND_WEB_VIEW_LOADED event generated when the document
is fully loaded and displayed.
@event{EVT_WEB_VIEW_ERRROR(id, func)}
Process a @c wxEVT_COMMAND_WEB_VIEW_ERROR event generated when a navigation
error occurs.
The integer associated with this event will be a wxWebNavigationError item.
The string associated with this event may contain a backend-specific more
precise error message/code.
@endEventTable
@library{wxweb}
@category{events}
@see wxWebView
*/
class wxWebNavigationEvent : public wxCommandEvent
{
public:
wxWebNavigationEvent();
wxWebNavigationEvent(wxEventType type, int id, const wxString href,
const wxString target, bool canVeto);
/**
Get the URL being visited
*/
const wxString& GetHref() const { return m_href; }
/**
Get the target (frame or window) in which the URL that caused this event
is viewed, or an empty string if not available.
*/
const wxString& GetTarget() const;
// default copy ctor, assignment operator and dtor are ok
virtual wxEvent* Clone() const;
/**
Get whether this event may be vetoed (stopped/prevented). Only
meaningful for events fired before navigation takes place.
*/
bool CanVeto() const;
/**
Whether this event was vetoed (stopped/prevented). Only meaningful for
events fired before navigation takes place.
*/
bool IsVetoed() const;
/**
Veto (prevent/stop) this event. Only meaningful for events fired
before navigation takes place. Only valid if CanVeto() returned true.
*/
void Veto();
};