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| 1 // Copyright (c) 2012 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 // Portions based heavily on: | |
| 6 // third_party/WebKit/public/web/gtk/WebInputEventFactory.cpp | |
| 7 // | |
| 8 /* | |
| 9 * Copyright (C) 2006-2011 Google Inc. All rights reserved. | |
| 10 * | |
| 11 * Redistribution and use in source and binary forms, with or without | |
| 12 * modification, are permitted provided that the following conditions are | |
| 13 * met: | |
| 14 * | |
| 15 * * Redistributions of source code must retain the above copyright | |
| 16 * notice, this list of conditions and the following disclaimer. | |
| 17 * * Redistributions in binary form must reproduce the above | |
| 18 * copyright notice, this list of conditions and the following disclaimer | |
| 19 * in the documentation and/or other materials provided with the | |
| 20 * distribution. | |
| 21 * * Neither the name of Google Inc. nor the names of its | |
| 22 * contributors may be used to endorse or promote products derived from | |
| 23 * this software without specific prior written permission. | |
| 24 * | |
| 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 36 */ | |
| 37 | |
| 38 #include "content/browser/renderer_host/web_input_event_aura.h" | |
| 39 | |
| 40 #include <X11/keysym.h> | |
| 41 #include <X11/Xlib.h> | |
| 42 #include <X11/Xutil.h> | |
| 43 #include <cstdlib> | |
| 44 | |
| 45 #include "base/event_types.h" | |
| 46 #include "base/logging.h" | |
| 47 #include "content/browser/renderer_host/ui_events_helper.h" | |
| 48 #include "ui/events/event.h" | |
| 49 #include "ui/events/event_constants.h" | |
| 50 #include "ui/events/keycodes/keyboard_code_conversion_x.h" | |
| 51 #include "ui/events/keycodes/keyboard_codes.h" | |
| 52 | |
| 53 namespace content { | |
| 54 | |
| 55 // chromium WebKit does not provide a WebInputEventFactory for X11, so we have | |
| 56 // to do the work here ourselves. | |
| 57 | |
| 58 namespace { | |
| 59 | |
| 60 int XKeyEventToWindowsKeyCode(XKeyEvent* event) { | |
| 61 int windows_key_code = | |
| 62 ui::KeyboardCodeFromXKeyEvent(reinterpret_cast<XEvent*>(event)); | |
| 63 if (windows_key_code == ui::VKEY_SHIFT || | |
| 64 windows_key_code == ui::VKEY_CONTROL || | |
| 65 windows_key_code == ui::VKEY_MENU) { | |
| 66 // To support DOM3 'location' attribute, we need to lookup an X KeySym and | |
| 67 // set ui::VKEY_[LR]XXX instead of ui::VKEY_XXX. | |
| 68 KeySym keysym = XK_VoidSymbol; | |
| 69 XLookupString(event, NULL, 0, &keysym, NULL); | |
| 70 switch (keysym) { | |
| 71 case XK_Shift_L: | |
| 72 return ui::VKEY_LSHIFT; | |
| 73 case XK_Shift_R: | |
| 74 return ui::VKEY_RSHIFT; | |
| 75 case XK_Control_L: | |
| 76 return ui::VKEY_LCONTROL; | |
| 77 case XK_Control_R: | |
| 78 return ui::VKEY_RCONTROL; | |
| 79 case XK_Meta_L: | |
| 80 case XK_Alt_L: | |
| 81 return ui::VKEY_LMENU; | |
| 82 case XK_Meta_R: | |
| 83 case XK_Alt_R: | |
| 84 return ui::VKEY_RMENU; | |
| 85 } | |
| 86 } | |
| 87 return windows_key_code; | |
| 88 } | |
| 89 | |
| 90 } // namespace | |
| 91 | |
| 92 blink::WebKeyboardEvent MakeWebKeyboardEventFromAuraEvent( | |
| 93 ui::KeyEvent* event) { | |
| 94 const base::NativeEvent& native_event = event->native_event(); | |
| 95 blink::WebKeyboardEvent webkit_event; | |
| 96 XKeyEvent* native_key_event = &native_event->xkey; | |
| 97 | |
| 98 webkit_event.timeStampSeconds = event->time_stamp().InSecondsF(); | |
| 99 webkit_event.modifiers = EventFlagsToWebEventModifiers(event->flags()); | |
| 100 | |
| 101 switch (native_event->type) { | |
| 102 case KeyPress: | |
| 103 webkit_event.type = event->is_char() ? blink::WebInputEvent::Char : | |
| 104 blink::WebInputEvent::RawKeyDown; | |
| 105 break; | |
| 106 case KeyRelease: | |
| 107 webkit_event.type = blink::WebInputEvent::KeyUp; | |
| 108 break; | |
| 109 default: | |
| 110 NOTREACHED(); | |
| 111 } | |
| 112 | |
| 113 if (webkit_event.modifiers & blink::WebInputEvent::AltKey) | |
| 114 webkit_event.isSystemKey = true; | |
| 115 | |
| 116 webkit_event.windowsKeyCode = XKeyEventToWindowsKeyCode(native_key_event); | |
| 117 webkit_event.nativeKeyCode = native_key_event->keycode; | |
| 118 | |
| 119 if (webkit_event.windowsKeyCode == ui::VKEY_RETURN) | |
| 120 webkit_event.unmodifiedText[0] = '\r'; | |
| 121 else | |
| 122 webkit_event.unmodifiedText[0] = ui::GetCharacterFromXEvent(native_event); | |
| 123 | |
| 124 if (webkit_event.modifiers & blink::WebInputEvent::ControlKey) { | |
| 125 webkit_event.text[0] = | |
| 126 GetControlCharacter( | |
| 127 webkit_event.windowsKeyCode, | |
| 128 webkit_event.modifiers & blink::WebInputEvent::ShiftKey); | |
| 129 } else { | |
| 130 webkit_event.text[0] = webkit_event.unmodifiedText[0]; | |
| 131 } | |
| 132 | |
| 133 webkit_event.setKeyIdentifierFromWindowsKeyCode(); | |
| 134 | |
| 135 // TODO: IsKeyPad? | |
| 136 | |
| 137 return webkit_event; | |
| 138 } | |
| 139 | |
| 140 } // namespace content | |
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Chromium Code Reviews
Issue 479873002:
Removing X11 native_event uses for key events. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master