CEF3获得选中文字！

CefString cefStr=params->GetSelectionText();
利用CefContextMenuParams这个类中的方法可以获得选中文字，该类中还有很多很实用的方法。
// Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//    * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//    * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//    * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//#ifndef CEF_INCLUDE_CEF_CONTEXT_MENU_HANDLER_H_
#define CEF_INCLUDE_CEF_CONTEXT_MENU_HANDLER_H_
#pragma once#include "include/cef_base.h"
#include "include/cef_browser.h"
#include "include/cef_frame.h"
#include "include/cef_menu_model.h"class CefContextMenuParams;///
// Implement this interface to handle context menu events. The methods of this
// class will be called on the UI thread.
///
/*--cef(source=client)--*/
class CefContextMenuHandler : public virtual CefBase {
public:
  typedef cef_event_flags_t EventFlags;  ///
  // Called before a context menu is displayed. |params| provides information
  // about the context menu state. |model| initially contains the default
  // context menu. The |model| can be cleared to show no context menu or
  // modified to show a custom menu. Do not keep references to |params| or
  // |model| outside of this callback.
  ///
  /*--cef()--*/
  virtual void OnBeforeContextMenu(CefRefPtr<CefBrowser> browser,
                                   CefRefPtr<CefFrame> frame,
                                   CefRefPtr<CefContextMenuParams> params,
                                   CefRefPtr<CefMenuModel> model) {}  ///
  // Called to execute a command selected from the context menu. Return true if
  // the command was handled or false for the default implementation. See
  // cef_menu_id_t for the command ids that have default implementations. All
  // user-defined command ids should be between MENU_ID_USER_FIRST and
  // MENU_ID_USER_LAST. |params| will have the same values as what was passed to
  // OnBeforeContextMenu(). Do not keep a reference to |params| outside of this
  // callback.
  ///
  /*--cef()--*/
  virtual bool OnContextMenuCommand(CefRefPtr<CefBrowser> browser,
                                    CefRefPtr<CefFrame> frame,
                                    CefRefPtr<CefContextMenuParams> params,
                                    int command_id,
                                    EventFlags event_flags) { return false; }  ///
  // Called when the context menu is dismissed irregardless of whether the menu
  // was empty or a command was selected.
  ///
  /*--cef()--*/
  virtual void OnContextMenuDismissed(CefRefPtr<CefBrowser> browser,
                                      CefRefPtr<CefFrame> frame) {}
};
///
// Provides information about the context menu state. The ethods of this class
// can only be accessed on browser process the UI thread.
///
/*--cef(source=library)--*/
class CefContextMenuParams : public virtual CefBase {
public:
  typedef cef_context_menu_type_flags_t TypeFlags;
  typedef cef_context_menu_media_type_t MediaType;
  typedef cef_context_menu_media_state_flags_t MediaStateFlags;
  typedef cef_context_menu_edit_state_flags_t EditStateFlags;  ///
  // Returns the X coordinate of the mouse where the context menu was invoked.
  // Coords are relative to the associated RenderView's origin.
  ///
  /*--cef()--*/
  virtual int GetXCoord() =0;  ///
  // Returns the Y coordinate of the mouse where the context menu was invoked.
  // Coords are relative to the associated RenderView's origin.
  ///
  /*--cef()--*/
  virtual int GetYCoord() =0;  ///
  // Returns flags representing the type of node that the context menu was
  // invoked on.
  ///
  /*--cef(default_retval=CM_TYPEFLAG_NONE)--*/
  virtual TypeFlags GetTypeFlags() =0;  ///
  // Returns the URL of the link, if any, that encloses the node that the
  // context menu was invoked on.
  ///
  /*--cef()--*/
  virtual CefString GetLinkUrl() =0;  ///
  // Returns the link URL, if any, to be used ONLY for "copy link address". We
  // don't validate this field in the frontend process.
  ///
  /*--cef()--*/
  virtual CefString GetUnfilteredLinkUrl() =0;  ///
  // Returns the source URL, if any, for the element that the context menu was
  // invoked on. Example of elements with source URLs are img, audio, and video.
  ///
  /*--cef()--*/
  virtual CefString GetSourceUrl() =0;  ///
  // Returns true if the context menu was invoked on an image which has
  // non-empty contents.
  ///
  /*--cef()--*/
  virtual bool HasImageContents() =0;  ///
  // Returns the URL of the top level page that the context menu was invoked on.
  ///
  /*--cef()--*/
  virtual CefString GetPageUrl() =0;  ///
  // Returns the URL of the subframe that the context menu was invoked on.
  ///
  /*--cef()--*/
  virtual CefString GetFrameUrl() =0;  ///
  // Returns the character encoding of the subframe that the context menu was
  // invoked on.
  ///
  /*--cef()--*/
  virtual CefString GetFrameCharset() =0;  ///
  // Returns the type of context node that the context menu was invoked on.
  ///
  /*--cef(default_retval=CM_MEDIATYPE_NONE)--*/
  virtual MediaType GetMediaType() =0;  ///
  // Returns flags representing the actions supported by the media element, if
  // any, that the context menu was invoked on.
  ///
  /*--cef(default_retval=CM_MEDIAFLAG_NONE)--*/
  virtual MediaStateFlags GetMediaStateFlags() =0;  ///
  // Returns the text of the selection, if any, that the context menu was
  // invoked on.
  ///
  /*--cef()--*/
  virtual CefString GetSelectionText() =0;  ///
  // Returns true if the context menu was invoked on an editable node.
  ///
  /*--cef()--*/
  virtual bool IsEditable() =0;  ///
  // Returns true if the context menu was invoked on an editable node where
  // speech-input is enabled.
  ///
  /*--cef()--*/
  virtual bool IsSpeechInputEnabled() =0;  ///
  // Returns flags representing the actions supported by the editable node, if
  // any, that the context menu was invoked on.
  ///
  /*--cef(default_retval=CM_EDITFLAG_NONE)--*/
  virtual EditStateFlags GetEditStateFlags() =0;
};#endif  // CEF_INCLUDE_CEF_CONTEXT_MENU_HANDLER_H_

调试易

CEF3获得选中文字！

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