ui/base/x/x11_util_internal.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_BASE_X_X11_UTIL_INTERNAL_H_
   6 #define UI_BASE_X_X11_UTIL_INTERNAL_H_
   7
   8 // This file declares utility functions for X11 (Linux only).
   9 //
  10 // These functions require the inclusion of the Xlib headers. Since the Xlib
  11 // headers pollute so much of the namespace, this should only be included
  12 // when needed.
  13
  14 extern "C" {
  15 #include <X11/extensions/Xrender.h>
  16 #include <X11/extensions/XShm.h>
  17 #include <X11/Xatom.h>
  18 #include <X11/Xlib.h>
  19 }
  20
  21 #include "ui/base/ui_base_export.h"
  22
  23 namespace ui {
  24
  25 // --------------------------------------------------------------------------
  26 // NOTE: these functions cache the results and must be called from the UI
  27 // thread.
  28 // Get the XRENDER format id for ARGB32 (Skia's format).
  29 //
  30 // NOTE:Currently this don't support multiple screens/displays.
  31 UI_BASE_EXPORT XRenderPictFormat* GetRenderARGB32Format(Display* dpy);
  32
  33 // --------------------------------------------------------------------------
  34 // X11 error handling.
  35 // Sets the X Error Handlers. Passing NULL for either will enable the default
  36 // error handler, which if called will log the error and abort the process.
  37 UI_BASE_EXPORT void SetX11ErrorHandlers(XErrorHandler error_handler,
  38                                         XIOErrorHandler io_error_handler);
  39
  40 // NOTE: This function should not be called directly from the
  41 // X11 Error handler because it queries the server to decode the
  42 // error message, which may trigger other errors. A suitable workaround
  43 // is to post a task in the error handler to call this function.
  44 UI_BASE_EXPORT void LogErrorEventDescription(Display* dpy,
  45                                              const XErrorEvent& error_event);
  46
  47 }  // namespace ui
  48
  49 #endif  // UI_BASE_X_X11_UTIL_INTERNAL_H_