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_EVENTS_KEYCODES_KEYBOARD_CODE_CONVERSION_X_H_ 6 #define UI_EVENTS_KEYCODES_KEYBOARD_CODE_CONVERSION_X_H_ 7 8 #include "base/basictypes.h" 9 #include "ui/events/events_base_export.h" 10 #include "ui/events/keycodes/keyboard_codes_posix.h" 11 12 typedef union _XEvent XEvent; 13 typedef struct _XDisplay XDisplay; 14 15 namespace ui { 16 17 EVENTS_BASE_EXPORT KeyboardCode KeyboardCodeFromXKeyEvent(const XEvent* xev); 18 19 EVENTS_BASE_EXPORT KeyboardCode KeyboardCodeFromXKeysym(unsigned int keysym); 20 21 EVENTS_BASE_EXPORT const char* CodeFromXEvent(const XEvent* xev); 22 23 // Returns a character on a standard US PC keyboard from an XEvent. 24 EVENTS_BASE_EXPORT uint16 GetCharacterFromXEvent(const XEvent* xev); 25 26 // Converts a KeyboardCode into an X KeySym. 27 EVENTS_BASE_EXPORT int XKeysymForWindowsKeyCode(KeyboardCode keycode, 28 bool shift); 29 30 // Returns a XKeyEvent keycode (scancode) for a KeyboardCode. Keyboard layouts 31 // are usually not injective, so inverse mapping should be avoided when 32 // practical. A round-trip keycode -> KeyboardCode -> keycode will not 33 // necessarily return the original keycode. 34 EVENTS_BASE_EXPORT unsigned int XKeyCodeForWindowsKeyCode(KeyboardCode key_code, 35 int flags, 36 XDisplay* display); 37 38 // Converts an X keycode into ui::KeyboardCode. 39 EVENTS_BASE_EXPORT KeyboardCode 40 DefaultKeyboardCodeFromHardwareKeycode(unsigned int hardware_code); 41 42 // Initializes a core XKeyEvent from an XI2 key event. 43 EVENTS_BASE_EXPORT void InitXKeyEventFromXIDeviceEvent(const XEvent& src, 44 XEvent* dst); 45 46 } // namespace ui 47 48 #endif // UI_EVENTS_KEYCODES_KEYBOARD_CODE_CONVERSION_X_H_ 49