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/Xatom.h> 16 #include <X11/Xlib.h> 17 #include <X11/extensions/XShm.h> 18 #include <X11/extensions/Xrender.h> 19 } 20 21 #include "ui/base/ui_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 XRenderPictFormat* GetRenderARGB32Format(Display* dpy); 32 33 // Get the XRENDER format id for the default visual on the first screen. This 34 // is the format which our GTK window will have. 35 UI_EXPORT XRenderPictFormat* GetRenderVisualFormat(Display* dpy, 36 Visual* visual); 37 38 // -------------------------------------------------------------------------- 39 // X11 error handling. 40 // Sets the X Error Handlers. Passing NULL for either will enable the default 41 // error handler, which if called will log the error and abort the process. 42 UI_EXPORT void SetX11ErrorHandlers(XErrorHandler error_handler, 43 XIOErrorHandler io_error_handler); 44 45 // NOTE: This function should not be called directly from the 46 // X11 Error handler because it queries the server to decode the 47 // error message, which may trigger other errors. A suitable workaround 48 // is to post a task in the error handler to call this function. 49 UI_EXPORT void LogErrorEventDescription(Display* dpy, 50 const XErrorEvent& error_event); 51 52 } // namespace ui 53 54 #endif // UI_BASE_X_X11_UTIL_INTERNAL_H_ 55