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_ 50
