Generate correct KeyboardCode (VKEY).

ui/events/ozone/layout/layout_util.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/ozone/layout/layout_util.h"
 
 #include <algorithm>
 
 #include "ui/events/event_constants.h"
 #include "ui/events/keycodes/dom3/dom_code.h"
 #include "ui/events/keycodes/dom3/dom_key.h"
 
 namespace ui {
 
 namespace {
 
+bool IsRightSideDomCode(DomCode code) {
+  return (code == DomCode::SHIFT_RIGHT) || (code == DomCode::CONTROL_RIGHT) ||
+         (code == DomCode::ALT_RIGHT) || (code == DomCode::OS_RIGHT);
+}
+
 // This table, used by DomKeyToKeyboardCode(), maps DOM Level 3 .code
 // values to legacy Windows-based VKEY values, where the VKEYs are
 // interpreted positionally.
 const struct DomCodeToKeyboardCodeEntry {
   DomCode dom_code;
   KeyboardCode key_code;
 } dom_code_to_keyboard_code[] = {
     // Entries are ordered by numeric value of the DomCode enum,
     // which is the USB physical key code.
     // DomCode::HYPER                              0x000010 Hyper
@@ skipping 169 matching lines @@
      VKEY_BROWSER_FORWARD},                      // 0x0C0225 BrowserForward
     {DomCode::BROWSER_STOP, VKEY_BROWSER_STOP},  // 0x0C0226 BrowserStop
     {DomCode::BROWSER_REFRESH,
      VKEY_BROWSER_REFRESH},  // 0x0C0227 BrowserRefresh
     {DomCode::BROWSER_FAVORITES,
      VKEY_BROWSER_FAVORITES},  // 0x0C022A BrowserFavorites
 };
 
 }  // anonymous namespace
 
-// Returns the Windows-based VKEY value corresponding to a DOM Level 3 |code|.
-// The returned VKEY is positional (e.g. VKEY_LSHIFT).
-KeyboardCode DomCodeToKeyboardCode(DomCode dom_code) {
-  const DomCodeToKeyboardCodeEntry* end =
-      dom_code_to_keyboard_code + arraysize(dom_code_to_keyboard_code);
-  const DomCodeToKeyboardCodeEntry* found =
-      std::lower_bound(dom_code_to_keyboard_code, end, dom_code,
-                       [](const DomCodeToKeyboardCodeEntry& a, DomCode b) {
-        return static_cast<int>(a.dom_code) < static_cast<int>(b);
-      });
-  if ((found != end) && (found->dom_code == dom_code))
-    return found->key_code;
-  return VKEY_UNKNOWN;
-}
-
 // Returns a Windows-based VKEY for a non-printable DOM Level 3 |key|.
 // The returned VKEY is non-positional (e.g. VKEY_SHIFT).
 KeyboardCode NonPrintableDomKeyToKeyboardCode(DomKey dom_key) {
   switch (dom_key) {
     // No value.
     case DomKey::NONE:
       return VKEY_UNKNOWN;
     // Character values.
     // Special Key Values
     // http://www.w3.org/TR/DOM-Level-3-Events-key/#keys-special
@@ skipping 220 matching lines @@
     // Media Controller Keys
     // http://www.w3.org/TR/DOM-Level-3-Events-key/#keys-media-controller
     case DomKey::ZOOM_TOGGLE:
       return VKEY_ZOOM;
     // No value.
     default:
       return VKEY_UNKNOWN;
   }
 }
 
+// Returns the Windows-based VKEY value corresponding to a DOM Level 3 |code|.
+// The returned VKEY is located (e.g. VKEY_LSHIFT).
+KeyboardCode DomCodeToKeyboardCode(DomCode dom_code) {
+  const DomCodeToKeyboardCodeEntry* end =
+      dom_code_to_keyboard_code + arraysize(dom_code_to_keyboard_code);
+  const DomCodeToKeyboardCodeEntry* found =
+      std::lower_bound(dom_code_to_keyboard_code, end, dom_code,
+                       [](const DomCodeToKeyboardCodeEntry& a, DomCode b) {
+        return static_cast<int>(a.dom_code) < static_cast<int>(b);
+      });
+  if ((found != end) && (found->dom_code == dom_code))
+    return found->key_code;
+  return VKEY_UNKNOWN;
+}
+
+// Returns the Windows-based VKEY value corresponding to a DOM Level 3 |code|.
+// The returned VKEY is non-located (e.g. VKEY_SHIFT).
+KeyboardCode DomCodeToNonLocatedKeyboardCode(DomCode dom_code) {
+  return NonLocatedKeyboardCode(DomCodeToKeyboardCode(dom_code));
+}
+
 // Determine the non-located VKEY corresponding to a located VKEY.
-ui::KeyboardCode DeLocateKeyboardCode(ui::KeyboardCode key_code) {
+KeyboardCode NonLocatedKeyboardCode(KeyboardCode key_code) {
   switch (key_code) {
     case VKEY_RWIN:
       return VKEY_LWIN;
     case VKEY_LSHIFT:
     case VKEY_RSHIFT:
       return VKEY_SHIFT;
     case VKEY_LCONTROL:
     case VKEY_RCONTROL:
       return VKEY_CONTROL;
     case VKEY_LMENU:
     case VKEY_RMENU:
       return VKEY_MENU;
     default:
       return key_code;
   }
 }
 
+// Determine the located VKEY corresponding to a non-located VKEY.
+KeyboardCode LocatedKeyboardCode(KeyboardCode key_code, DomCode dom_code) {
+  switch (key_code) {
+    case VKEY_SHIFT:
+      return IsRightSideDomCode(dom_code) ? VKEY_RSHIFT : VKEY_LSHIFT;
+    case VKEY_CONTROL:
+      return IsRightSideDomCode(dom_code) ? VKEY_RCONTROL : VKEY_LCONTROL;
+    case VKEY_MENU:
+      return IsRightSideDomCode(dom_code) ? VKEY_RMENU : VKEY_LMENU;
+    case VKEY_LWIN:
+      return IsRightSideDomCode(dom_code) ? VKEY_RWIN : VKEY_LWIN;
+    case VKEY_0:
+      return (dom_code == DomCode::NUMPAD0) ? VKEY_NUMPAD0 : VKEY_0;
+    case VKEY_1:
+      return (dom_code == DomCode::NUMPAD1) ? VKEY_NUMPAD1 : VKEY_1;
+    case VKEY_2:
+      return (dom_code == DomCode::NUMPAD2) ? VKEY_NUMPAD2 : VKEY_2;
+    case VKEY_3:
+      return (dom_code == DomCode::NUMPAD3) ? VKEY_NUMPAD3 : VKEY_3;
+    case VKEY_4:
+      return (dom_code == DomCode::NUMPAD4) ? VKEY_NUMPAD4 : VKEY_4;
+    case VKEY_5:
+      return (dom_code == DomCode::NUMPAD5) ? VKEY_NUMPAD5 : VKEY_5;
+    case VKEY_6:
+      return (dom_code == DomCode::NUMPAD6) ? VKEY_NUMPAD6 : VKEY_6;
+    case VKEY_7:
+      return (dom_code == DomCode::NUMPAD7) ? VKEY_NUMPAD7 : VKEY_7;
+    case VKEY_8:
+      return (dom_code == DomCode::NUMPAD8) ? VKEY_NUMPAD8 : VKEY_8;
+    case VKEY_9:
+      return (dom_code == DomCode::NUMPAD9) ? VKEY_NUMPAD9 : VKEY_9;
+    default:
+      return key_code;
+  }
+}
+
 bool LookupControlCharacter(DomCode dom_code,
                             int flags,
                             DomKey* dom_key,
                             base::char16* character,
                             KeyboardCode* key_code) {
   if ((flags & EF_CONTROL_DOWN) == 0)
     return false;
 
   int code = static_cast<int>(dom_code);
   const int kKeyA = static_cast<int>(DomCode::KEY_A);
@@ skipping 56 matching lines @@
       *character = 0x1F;
       *dom_key = DomKey::CHARACTER;
       *key_code = VKEY_OEM_MINUS;
       return true;
     default:
       return false;
   }
 }
 
 }  // namespace ui