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ScreenPlay/ScreenPlayWorkshop/SteamSDK/public/steam/isteamhtmlsurface.h
Elias Steurer 804812181e Formatting
2022-11-02 11:36:40 +01:00

450 lines
24 KiB
C++

//====== Copyright 1996-2013, Valve Corporation, All rights reserved. =======
//
// Purpose: interface to display html pages in a texture
//
//=============================================================================
#ifndef ISTEAMHTMLSURFACE_H
#define ISTEAMHTMLSURFACE_H
#ifdef _WIN32
#pragma once
#endif
#include "steam_api_common.h"
typedef uint32 HHTMLBrowser;
const uint32 INVALID_HTMLBROWSER = 0;
//-----------------------------------------------------------------------------
// Purpose: Functions for displaying HTML pages and interacting with them
//-----------------------------------------------------------------------------
class ISteamHTMLSurface {
public:
virtual ~ISteamHTMLSurface() { }
// Must call init and shutdown when starting/ending use of the interface
virtual bool Init() = 0;
virtual bool Shutdown() = 0;
// Create a browser object for display of a html page, when creation is complete the call handle
// will return a HTML_BrowserReady_t callback for the HHTMLBrowser of your new browser.
// The user agent string is a substring to be added to the general user agent string so you can
// identify your client on web servers.
// The userCSS string lets you apply a CSS style sheet to every displayed page, leave null if
// you do not require this functionality.
//
// YOU MUST HAVE IMPLEMENTED HANDLERS FOR HTML_BrowserReady_t, HTML_StartRequest_t,
// HTML_JSAlert_t, HTML_JSConfirm_t, and HTML_FileOpenDialog_t! See the CALLBACKS
// section of this interface (AllowStartRequest, etc) for more details. If you do
// not implement these callback handlers, the browser may appear to hang instead of
// navigating to new pages or triggering javascript popups.
//
STEAM_CALL_RESULT(HTML_BrowserReady_t)
virtual SteamAPICall_t CreateBrowser(const char* pchUserAgent, const char* pchUserCSS) = 0;
// Call this when you are done with a html surface, this lets us free the resources being used by it
virtual void RemoveBrowser(HHTMLBrowser unBrowserHandle) = 0;
// Navigate to this URL, results in a HTML_StartRequest_t as the request commences
virtual void LoadURL(HHTMLBrowser unBrowserHandle, const char* pchURL, const char* pchPostData) = 0;
// Tells the surface the size in pixels to display the surface
virtual void SetSize(HHTMLBrowser unBrowserHandle, uint32 unWidth, uint32 unHeight) = 0;
// Stop the load of the current html page
virtual void StopLoad(HHTMLBrowser unBrowserHandle) = 0;
// Reload (most likely from local cache) the current page
virtual void Reload(HHTMLBrowser unBrowserHandle) = 0;
// navigate back in the page history
virtual void GoBack(HHTMLBrowser unBrowserHandle) = 0;
// navigate forward in the page history
virtual void GoForward(HHTMLBrowser unBrowserHandle) = 0;
// add this header to any url requests from this browser
virtual void AddHeader(HHTMLBrowser unBrowserHandle, const char* pchKey, const char* pchValue) = 0;
// run this javascript script in the currently loaded page
virtual void ExecuteJavascript(HHTMLBrowser unBrowserHandle, const char* pchScript) = 0;
enum EHTMLMouseButton {
eHTMLMouseButton_Left = 0,
eHTMLMouseButton_Right = 1,
eHTMLMouseButton_Middle = 2,
};
// Mouse click and mouse movement commands
virtual void MouseUp(HHTMLBrowser unBrowserHandle, EHTMLMouseButton eMouseButton) = 0;
virtual void MouseDown(HHTMLBrowser unBrowserHandle, EHTMLMouseButton eMouseButton) = 0;
virtual void MouseDoubleClick(HHTMLBrowser unBrowserHandle, EHTMLMouseButton eMouseButton) = 0;
// x and y are relative to the HTML bounds
virtual void MouseMove(HHTMLBrowser unBrowserHandle, int x, int y) = 0;
// nDelta is pixels of scroll
virtual void MouseWheel(HHTMLBrowser unBrowserHandle, int32 nDelta) = 0;
enum EMouseCursor {
dc_user = 0,
dc_none,
dc_arrow,
dc_ibeam,
dc_hourglass,
dc_waitarrow,
dc_crosshair,
dc_up,
dc_sizenw,
dc_sizese,
dc_sizene,
dc_sizesw,
dc_sizew,
dc_sizee,
dc_sizen,
dc_sizes,
dc_sizewe,
dc_sizens,
dc_sizeall,
dc_no,
dc_hand,
dc_blank, // don't show any custom cursor, just use your default
dc_middle_pan,
dc_north_pan,
dc_north_east_pan,
dc_east_pan,
dc_south_east_pan,
dc_south_pan,
dc_south_west_pan,
dc_west_pan,
dc_north_west_pan,
dc_alias,
dc_cell,
dc_colresize,
dc_copycur,
dc_verticaltext,
dc_rowresize,
dc_zoomin,
dc_zoomout,
dc_help,
dc_custom,
dc_last, // custom cursors start from this value and up
};
enum EHTMLKeyModifiers {
k_eHTMLKeyModifier_None = 0,
k_eHTMLKeyModifier_AltDown = 1 << 0,
k_eHTMLKeyModifier_CtrlDown = 1 << 1,
k_eHTMLKeyModifier_ShiftDown = 1 << 2,
};
// keyboard interactions, native keycode is the virtual key code value from your OS, system key flags the key to not
// be sent as a typed character as well as a key down
virtual void KeyDown(HHTMLBrowser unBrowserHandle, uint32 nNativeKeyCode, EHTMLKeyModifiers eHTMLKeyModifiers, bool bIsSystemKey = false) = 0;
virtual void KeyUp(HHTMLBrowser unBrowserHandle, uint32 nNativeKeyCode, EHTMLKeyModifiers eHTMLKeyModifiers) = 0;
// cUnicodeChar is the unicode character point for this keypress (and potentially multiple chars per press)
virtual void KeyChar(HHTMLBrowser unBrowserHandle, uint32 cUnicodeChar, EHTMLKeyModifiers eHTMLKeyModifiers) = 0;
// programmatically scroll this many pixels on the page
virtual void SetHorizontalScroll(HHTMLBrowser unBrowserHandle, uint32 nAbsolutePixelScroll) = 0;
virtual void SetVerticalScroll(HHTMLBrowser unBrowserHandle, uint32 nAbsolutePixelScroll) = 0;
// tell the html control if it has key focus currently, controls showing the I-beam cursor in text controls amongst other things
virtual void SetKeyFocus(HHTMLBrowser unBrowserHandle, bool bHasKeyFocus) = 0;
// open the current pages html code in the local editor of choice, used for debugging
virtual void ViewSource(HHTMLBrowser unBrowserHandle) = 0;
// copy the currently selected text on the html page to the local clipboard
virtual void CopyToClipboard(HHTMLBrowser unBrowserHandle) = 0;
// paste from the local clipboard to the current html page
virtual void PasteFromClipboard(HHTMLBrowser unBrowserHandle) = 0;
// find this string in the browser, if bCurrentlyInFind is true then instead cycle to the next matching element
virtual void Find(HHTMLBrowser unBrowserHandle, const char* pchSearchStr, bool bCurrentlyInFind, bool bReverse) = 0;
// cancel a currently running find
virtual void StopFind(HHTMLBrowser unBrowserHandle) = 0;
// return details about the link at position x,y on the current page
virtual void GetLinkAtPosition(HHTMLBrowser unBrowserHandle, int x, int y) = 0;
// set a webcookie for the hostname in question
virtual void SetCookie(const char* pchHostname, const char* pchKey, const char* pchValue, const char* pchPath = "/", RTime32 nExpires = 0, bool bSecure = false, bool bHTTPOnly = false) = 0;
// Zoom the current page by flZoom ( from 0.0 to 2.0, so to zoom to 120% use 1.2 ), zooming around point X,Y in the page (use 0,0 if you don't care)
virtual void SetPageScaleFactor(HHTMLBrowser unBrowserHandle, float flZoom, int nPointX, int nPointY) = 0;
// Enable/disable low-resource background mode, where javascript and repaint timers are throttled, resources are
// more aggressively purged from memory, and audio/video elements are paused. When background mode is enabled,
// all HTML5 video and audio objects will execute ".pause()" and gain the property "._steam_background_paused = 1".
// When background mode is disabled, any video or audio objects with that property will resume with ".play()".
virtual void SetBackgroundMode(HHTMLBrowser unBrowserHandle, bool bBackgroundMode) = 0;
// Scale the output display space by this factor, this is useful when displaying content on high dpi devices.
// Specifies the ratio between physical and logical pixels.
virtual void SetDPIScalingFactor(HHTMLBrowser unBrowserHandle, float flDPIScaling) = 0;
// Open HTML/JS developer tools
virtual void OpenDeveloperTools(HHTMLBrowser unBrowserHandle) = 0;
// CALLBACKS
//
// These set of functions are used as responses to callback requests
//
// You MUST call this in response to a HTML_StartRequest_t callback
// Set bAllowed to true to allow this navigation, false to cancel it and stay
// on the current page. You can use this feature to limit the valid pages
// allowed in your HTML surface.
virtual void AllowStartRequest(HHTMLBrowser unBrowserHandle, bool bAllowed) = 0;
// You MUST call this in response to a HTML_JSAlert_t or HTML_JSConfirm_t callback
// Set bResult to true for the OK option of a confirm, use false otherwise
virtual void JSDialogResponse(HHTMLBrowser unBrowserHandle, bool bResult) = 0;
// You MUST call this in response to a HTML_FileOpenDialog_t callback
virtual void FileLoadDialogResponse(HHTMLBrowser unBrowserHandle, const char** pchSelectedFiles) = 0;
};
#define STEAMHTMLSURFACE_INTERFACE_VERSION "STEAMHTMLSURFACE_INTERFACE_VERSION_005"
// Global interface accessor
inline ISteamHTMLSurface* SteamHTMLSurface();
STEAM_DEFINE_USER_INTERFACE_ACCESSOR(ISteamHTMLSurface*, SteamHTMLSurface, STEAMHTMLSURFACE_INTERFACE_VERSION);
// callbacks
#if defined(VALVE_CALLBACK_PACK_SMALL)
#pragma pack(push, 4)
#elif defined(VALVE_CALLBACK_PACK_LARGE)
#pragma pack(push, 8)
#else
#error steam_api_common.h should define VALVE_CALLBACK_PACK_xxx
#endif
//-----------------------------------------------------------------------------
// Purpose: The browser is ready for use
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_BrowserReady_t, k_iSteamHTMLSurfaceCallbacks + 1)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // this browser is now fully created and ready to navigate to pages
STEAM_CALLBACK_END(1)
//-----------------------------------------------------------------------------
// Purpose: the browser has a pending paint
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_NeedsPaint_t, k_iSteamHTMLSurfaceCallbacks + 2)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the browser that needs the paint
STEAM_CALLBACK_MEMBER(1, const char*, pBGRA) // a pointer to the B8G8R8A8 data for this surface, valid until SteamAPI_RunCallbacks is next called
STEAM_CALLBACK_MEMBER(2, uint32, unWide) // the total width of the pBGRA texture
STEAM_CALLBACK_MEMBER(3, uint32, unTall) // the total height of the pBGRA texture
STEAM_CALLBACK_MEMBER(4, uint32, unUpdateX) // the offset in X for the damage rect for this update
STEAM_CALLBACK_MEMBER(5, uint32, unUpdateY) // the offset in Y for the damage rect for this update
STEAM_CALLBACK_MEMBER(6, uint32, unUpdateWide) // the width of the damage rect for this update
STEAM_CALLBACK_MEMBER(7, uint32, unUpdateTall) // the height of the damage rect for this update
STEAM_CALLBACK_MEMBER(8, uint32, unScrollX) // the page scroll the browser was at when this texture was rendered
STEAM_CALLBACK_MEMBER(9, uint32, unScrollY) // the page scroll the browser was at when this texture was rendered
STEAM_CALLBACK_MEMBER(10, float, flPageScale) // the page scale factor on this page when rendered
STEAM_CALLBACK_MEMBER(11, uint32, unPageSerial) // incremented on each new page load, you can use this to reject draws while navigating to new pages
STEAM_CALLBACK_END(12)
//-----------------------------------------------------------------------------
// Purpose: The browser wanted to navigate to a new page
// NOTE - you MUST call AllowStartRequest in response to this callback
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_StartRequest_t, k_iSteamHTMLSurfaceCallbacks + 3)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface navigating
STEAM_CALLBACK_MEMBER(1, const char*, pchURL) // the url they wish to navigate to
STEAM_CALLBACK_MEMBER(2, const char*, pchTarget) // the html link target type (i.e _blank, _self, _parent, _top )
STEAM_CALLBACK_MEMBER(3, const char*, pchPostData) // any posted data for the request
STEAM_CALLBACK_MEMBER(4, bool, bIsRedirect) // true if this was a http/html redirect from the last load request
STEAM_CALLBACK_END(5)
//-----------------------------------------------------------------------------
// Purpose: The browser has been requested to close due to user interaction (usually from a javascript window.close() call)
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_CloseBrowser_t, k_iSteamHTMLSurfaceCallbacks + 4)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_END(1)
//-----------------------------------------------------------------------------
// Purpose: the browser is navigating to a new url
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_URLChanged_t, k_iSteamHTMLSurfaceCallbacks + 5)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface navigating
STEAM_CALLBACK_MEMBER(1, const char*, pchURL) // the url they wish to navigate to
STEAM_CALLBACK_MEMBER(2, const char*, pchPostData) // any posted data for the request
STEAM_CALLBACK_MEMBER(3, bool, bIsRedirect) // true if this was a http/html redirect from the last load request
STEAM_CALLBACK_MEMBER(4, const char*, pchPageTitle) // the title of the page
STEAM_CALLBACK_MEMBER(5, bool, bNewNavigation) // true if this was from a fresh tab and not a click on an existing page
STEAM_CALLBACK_END(6)
//-----------------------------------------------------------------------------
// Purpose: A page is finished loading
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_FinishedRequest_t, k_iSteamHTMLSurfaceCallbacks + 6)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, const char*, pchURL) //
STEAM_CALLBACK_MEMBER(2, const char*, pchPageTitle) //
STEAM_CALLBACK_END(3)
//-----------------------------------------------------------------------------
// Purpose: a request to load this url in a new tab
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_OpenLinkInNewTab_t, k_iSteamHTMLSurfaceCallbacks + 7)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, const char*, pchURL) //
STEAM_CALLBACK_END(2)
//-----------------------------------------------------------------------------
// Purpose: the page has a new title now
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_ChangedTitle_t, k_iSteamHTMLSurfaceCallbacks + 8)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, const char*, pchTitle) //
STEAM_CALLBACK_END(2)
//-----------------------------------------------------------------------------
// Purpose: results from a search
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_SearchResults_t, k_iSteamHTMLSurfaceCallbacks + 9)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, uint32, unResults) //
STEAM_CALLBACK_MEMBER(2, uint32, unCurrentMatch) //
STEAM_CALLBACK_END(3)
//-----------------------------------------------------------------------------
// Purpose: page history status changed on the ability to go backwards and forward
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_CanGoBackAndForward_t, k_iSteamHTMLSurfaceCallbacks + 10)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, bool, bCanGoBack) //
STEAM_CALLBACK_MEMBER(2, bool, bCanGoForward) //
STEAM_CALLBACK_END(3)
//-----------------------------------------------------------------------------
// Purpose: details on the visibility and size of the horizontal scrollbar
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_HorizontalScroll_t, k_iSteamHTMLSurfaceCallbacks + 11)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, uint32, unScrollMax) //
STEAM_CALLBACK_MEMBER(2, uint32, unScrollCurrent) //
STEAM_CALLBACK_MEMBER(3, float, flPageScale) //
STEAM_CALLBACK_MEMBER(4, bool, bVisible) //
STEAM_CALLBACK_MEMBER(5, uint32, unPageSize) //
STEAM_CALLBACK_END(6)
//-----------------------------------------------------------------------------
// Purpose: details on the visibility and size of the vertical scrollbar
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_VerticalScroll_t, k_iSteamHTMLSurfaceCallbacks + 12)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, uint32, unScrollMax) //
STEAM_CALLBACK_MEMBER(2, uint32, unScrollCurrent) //
STEAM_CALLBACK_MEMBER(3, float, flPageScale) //
STEAM_CALLBACK_MEMBER(4, bool, bVisible) //
STEAM_CALLBACK_MEMBER(5, uint32, unPageSize) //
STEAM_CALLBACK_END(6)
//-----------------------------------------------------------------------------
// Purpose: response to GetLinkAtPosition call
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_LinkAtPosition_t, k_iSteamHTMLSurfaceCallbacks + 13)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, uint32, x) // NOTE - Not currently set
STEAM_CALLBACK_MEMBER(2, uint32, y) // NOTE - Not currently set
STEAM_CALLBACK_MEMBER(3, const char*, pchURL) //
STEAM_CALLBACK_MEMBER(4, bool, bInput) //
STEAM_CALLBACK_MEMBER(5, bool, bLiveLink) //
STEAM_CALLBACK_END(6)
//-----------------------------------------------------------------------------
// Purpose: show a Javascript alert dialog, call JSDialogResponse
// when the user dismisses this dialog (or right away to ignore it)
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_JSAlert_t, k_iSteamHTMLSurfaceCallbacks + 14)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, const char*, pchMessage) //
STEAM_CALLBACK_END(2)
//-----------------------------------------------------------------------------
// Purpose: show a Javascript confirmation dialog, call JSDialogResponse
// when the user dismisses this dialog (or right away to ignore it)
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_JSConfirm_t, k_iSteamHTMLSurfaceCallbacks + 15)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, const char*, pchMessage) //
STEAM_CALLBACK_END(2)
//-----------------------------------------------------------------------------
// Purpose: when received show a file open dialog
// then call FileLoadDialogResponse with the file(s) the user selected.
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_FileOpenDialog_t, k_iSteamHTMLSurfaceCallbacks + 16)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, const char*, pchTitle) //
STEAM_CALLBACK_MEMBER(2, const char*, pchInitialFile) //
STEAM_CALLBACK_END(3)
//-----------------------------------------------------------------------------
// Purpose: a new html window is being created.
//
// IMPORTANT NOTE: at this time, the API does not allow you to acknowledge or
// render the contents of this new window, so the new window is always destroyed
// immediately. The URL and other parameters of the new window are passed here
// to give your application the opportunity to call CreateBrowser and set up
// a new browser in response to the attempted popup, if you wish to do so.
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_NewWindow_t, k_iSteamHTMLSurfaceCallbacks + 21)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the current surface
STEAM_CALLBACK_MEMBER(1, const char*, pchURL) // the page to load
STEAM_CALLBACK_MEMBER(2, uint32, unX) // the x pos into the page to display the popup
STEAM_CALLBACK_MEMBER(3, uint32, unY) // the y pos into the page to display the popup
STEAM_CALLBACK_MEMBER(4, uint32, unWide) // the total width of the pBGRA texture
STEAM_CALLBACK_MEMBER(5, uint32, unTall) // the total height of the pBGRA texture
STEAM_CALLBACK_MEMBER(6, HHTMLBrowser, unNewWindow_BrowserHandle_IGNORE)
STEAM_CALLBACK_END(7)
//-----------------------------------------------------------------------------
// Purpose: change the cursor to display
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_SetCursor_t, k_iSteamHTMLSurfaceCallbacks + 22)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, uint32, eMouseCursor) // the EMouseCursor to display
STEAM_CALLBACK_END(2)
//-----------------------------------------------------------------------------
// Purpose: informational message from the browser
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_StatusText_t, k_iSteamHTMLSurfaceCallbacks + 23)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, const char*, pchMsg) // the EMouseCursor to display
STEAM_CALLBACK_END(2)
//-----------------------------------------------------------------------------
// Purpose: show a tooltip
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_ShowToolTip_t, k_iSteamHTMLSurfaceCallbacks + 24)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, const char*, pchMsg) // the EMouseCursor to display
STEAM_CALLBACK_END(2)
//-----------------------------------------------------------------------------
// Purpose: update the text of an existing tooltip
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_UpdateToolTip_t, k_iSteamHTMLSurfaceCallbacks + 25)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_MEMBER(1, const char*, pchMsg) // the EMouseCursor to display
STEAM_CALLBACK_END(2)
//-----------------------------------------------------------------------------
// Purpose: hide the tooltip you are showing
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_HideToolTip_t, k_iSteamHTMLSurfaceCallbacks + 26)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // the handle of the surface
STEAM_CALLBACK_END(1)
//-----------------------------------------------------------------------------
// Purpose: The browser has restarted due to an internal failure, use this new handle value
//-----------------------------------------------------------------------------
STEAM_CALLBACK_BEGIN(HTML_BrowserRestarted_t, k_iSteamHTMLSurfaceCallbacks + 27)
STEAM_CALLBACK_MEMBER(0, HHTMLBrowser, unBrowserHandle) // this is the new browser handle after the restart
STEAM_CALLBACK_MEMBER(1, HHTMLBrowser, unOldBrowserHandle) // the handle for the browser before the restart, if your handle was this then switch to using unBrowserHandle for API calls
STEAM_CALLBACK_END(2)
#pragma pack(pop)
#endif // ISTEAMHTMLSURFACE_H