C++ CefRefPtr::GetFocusedFrame方法代码示例

bool FWebBrowserHandler::ShowDevTools(const CefRefPtr<CefBrowser>& Browser)
{
	CefPoint Point;
	CefString TargetUrl = "chrome-devtools://devtools/devtools.html";
	CefString TargetFrameName = "devtools";
	CefPopupFeatures PopupFeatures;
	CefWindowInfo WindowInfo;
	CefRefPtr<CefClient> NewClient;
	CefBrowserSettings BrowserSettings;
	bool NoJavascriptAccess = false;

	PopupFeatures.xSet = false;
	PopupFeatures.ySet = false;
	PopupFeatures.heightSet = false;
	PopupFeatures.widthSet = false;
	PopupFeatures.locationBarVisible = false;
	PopupFeatures.menuBarVisible = false;
	PopupFeatures.toolBarVisible  = false;
	PopupFeatures.statusBarVisible  = false;
	PopupFeatures.resizable = true;
	PopupFeatures.additionalFeatures = cef_string_list_alloc();

	// Override the parent window setting for transparency, as the Dev Tools require a solid background
	CefString OverrideTransparencyFeature = "Epic_NoTransparency";
	cef_string_list_append(PopupFeatures.additionalFeatures, OverrideTransparencyFeature.GetStruct());

	// Set max framerate to maximum supported.
	BrowserSettings.windowless_frame_rate = 60;
	// Disable plugins
	BrowserSettings.plugins = STATE_DISABLED;
	// Dev Tools look best with a white background color
	BrowserSettings.background_color = CefColorSetARGB(255, 255, 255, 255);

	// OnBeforePopup already takes care of all the details required to ask the host application to create a new browser window.
	bool bSuppressWindowCreation = OnBeforePopup(Browser, Browser->GetFocusedFrame(), TargetUrl, TargetFrameName, PopupFeatures, WindowInfo, NewClient, BrowserSettings, &NoJavascriptAccess);

	if(! bSuppressWindowCreation)
	{
		Browser->GetHost()->ShowDevTools(WindowInfo, NewClient, BrowserSettings, Point);
	}
	return !bSuppressWindowCreation;
}

bool FWebBrowserHandler::OnKeyEvent(CefRefPtr<CefBrowser> Browser,
	const CefKeyEvent& Event,
	CefEventHandle OsEvent)
{
#if UE_BUILD_DEBUG
	// Show dev tools on CMD/CTRL+ALT+I
	if( (Event.type == KEYEVENT_RAWKEYDOWN || Event.type == KEYEVENT_KEYDOWN) &&
#if PLATFORM_MAC
		(Event.modifiers == (EVENTFLAG_COMMAND_DOWN | EVENTFLAG_SHIFT_DOWN)) &&
#else
		(Event.modifiers == (EVENTFLAG_CONTROL_DOWN | EVENTFLAG_SHIFT_DOWN)) &&
#endif
		(Event.unmodified_character == 'i' || Event.unmodified_character == 'I')
	  )
	{
		return ShowDevTools(Browser);
	}
#endif

#if PLATFORM_MAC
	// We need to handle standard Copy/Paste/etc... shortcuts on OS X
	if( (Event.type == KEYEVENT_RAWKEYDOWN || Event.type == KEYEVENT_KEYDOWN) &&
		(Event.modifiers & EVENTFLAG_COMMAND_DOWN) != 0 &&
		(Event.modifiers & EVENTFLAG_CONTROL_DOWN) == 0 &&
		(Event.modifiers & EVENTFLAG_ALT_DOWN) == 0 &&
		( (Event.modifiers & EVENTFLAG_SHIFT_DOWN) == 0 || Event.unmodified_character == 'z' )
	  )
	{
		CefRefPtr<CefFrame> Frame = Browser->GetFocusedFrame();
		if (Frame)
		{
			switch (Event.unmodified_character)
			{
				case 'a':
					Frame->SelectAll();
					return true;
				case 'c':
					Frame->Copy();
					return true;
				case 'v':
					Frame->Paste();
					return true;
				case 'x':
					Frame->Cut();
					return true;
				case 'z':
					if( (Event.modifiers & EVENTFLAG_SHIFT_DOWN) == 0 )
					{
						Frame->Undo();
					}
					else
					{
						Frame->Redo();
					}
					return true;
			}
		}
	}
#endif
	TSharedPtr<FWebBrowserWindow> BrowserWindow = BrowserWindowPtr.Pin();
	if (BrowserWindow.IsValid())
	{
		return BrowserWindow->OnUnhandledKeyEvent(Event);
	}

	return false;
}