MacViews: Intercept events for Menus (after AppKit has interpreted keystrokes)

ui/events/keycodes/keyboard_code_conversion_mac.mm

 // Copyright (c) 2012 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.
 
 #import "ui/events/keycodes/keyboard_code_conversion_mac.h"
 
 #include <algorithm>
 
 #import <Carbon/Carbon.h>
 
@@ skipping 185 matching lines @@
   { VKEY_PLAY /* 0xFA */, -1, 0 },
   { VKEY_ZOOM /* 0xFB */, -1, 0 },
   { VKEY_NONAME /* 0xFC */, -1, 0 },
   { VKEY_PA1 /* 0xFD */, -1, 0 },
   { VKEY_OEM_CLEAR /* 0xFE */, kVK_ANSI_KeypadClear, kClearCharCode }
 };
 
 // A convenient array for getting symbol characters on the number keys.
 const char kShiftCharsForNumberKeys[] = ")!@#$%^&*(";
 
-// Translates from character code to keyboard code.
-KeyboardCode KeyboardCodeFromCharCode(unichar charCode) {
-  switch (charCode) {
-    case 8: case 0x7F: return VKEY_BACK;
-    case 9: return VKEY_TAB;
-    case 0xD: case 3: return VKEY_RETURN;
-    case 0x1B: return VKEY_ESCAPE;
-    case ' ': return VKEY_SPACE;
-    case NSHomeFunctionKey: return VKEY_HOME;
-    case NSEndFunctionKey: return VKEY_END;
-    case NSPageUpFunctionKey: return VKEY_PRIOR;
-    case NSPageDownFunctionKey: return VKEY_NEXT;
-    case NSUpArrowFunctionKey: return VKEY_UP;
-    case NSDownArrowFunctionKey: return VKEY_DOWN;
-    case NSLeftArrowFunctionKey: return VKEY_LEFT;
-    case NSRightArrowFunctionKey: return VKEY_RIGHT;
-    case NSDeleteFunctionKey: return VKEY_DELETE;
-
-    case '0': case ')': return VKEY_0;
-    case '1': case '!': return VKEY_1;
-    case '2': case '@': return VKEY_2;
-    case '3': case '#': return VKEY_3;
-    case '4': case '$': return VKEY_4;
-    case '5': case '%': return VKEY_5;
-    case '6': case '^': return VKEY_6;
-    case '7': case '&': return VKEY_7;
-    case '8': case '*': return VKEY_8;
-    case '9': case '(': return VKEY_9;
-
-    case 'a': case 'A': return VKEY_A;
-    case 'b': case 'B': return VKEY_B;
-    case 'c': case 'C': return VKEY_C;
-    case 'd': case 'D': return VKEY_D;
-    case 'e': case 'E': return VKEY_E;
-    case 'f': case 'F': return VKEY_F;
-    case 'g': case 'G': return VKEY_G;
-    case 'h': case 'H': return VKEY_H;
-    case 'i': case 'I': return VKEY_I;
-    case 'j': case 'J': return VKEY_J;
-    case 'k': case 'K': return VKEY_K;
-    case 'l': case 'L': return VKEY_L;
-    case 'm': case 'M': return VKEY_M;
-    case 'n': case 'N': return VKEY_N;
-    case 'o': case 'O': return VKEY_O;
-    case 'p': case 'P': return VKEY_P;
-    case 'q': case 'Q': return VKEY_Q;
-    case 'r': case 'R': return VKEY_R;
-    case 's': case 'S': return VKEY_S;
-    case 't': case 'T': return VKEY_T;
-    case 'u': case 'U': return VKEY_U;
-    case 'v': case 'V': return VKEY_V;
-    case 'w': case 'W': return VKEY_W;
-    case 'x': case 'X': return VKEY_X;
-    case 'y': case 'Y': return VKEY_Y;
-    case 'z': case 'Z': return VKEY_Z;
-
-    case NSPauseFunctionKey: return VKEY_PAUSE;
-    case NSSelectFunctionKey: return VKEY_SELECT;
-    case NSPrintFunctionKey: return VKEY_PRINT;
-    case NSExecuteFunctionKey: return VKEY_EXECUTE;
-    case NSPrintScreenFunctionKey: return VKEY_SNAPSHOT;
-    case NSInsertFunctionKey: return VKEY_INSERT;
-    case NSHelpFunctionKey: return VKEY_INSERT;
-
-    case NSF1FunctionKey: return VKEY_F1;
-    case NSF2FunctionKey: return VKEY_F2;
-    case NSF3FunctionKey: return VKEY_F3;
-    case NSF4FunctionKey: return VKEY_F4;
-    case NSF5FunctionKey: return VKEY_F5;
-    case NSF6FunctionKey: return VKEY_F6;
-    case NSF7FunctionKey: return VKEY_F7;
-    case NSF8FunctionKey: return VKEY_F8;
-    case NSF9FunctionKey: return VKEY_F9;
-    case NSF10FunctionKey: return VKEY_F10;
-    case NSF11FunctionKey: return VKEY_F11;
-    case NSF12FunctionKey: return VKEY_F12;
-    case NSF13FunctionKey: return VKEY_F13;
-    case NSF14FunctionKey: return VKEY_F14;
-    case NSF15FunctionKey: return VKEY_F15;
-    case NSF16FunctionKey: return VKEY_F16;
-    case NSF17FunctionKey: return VKEY_F17;
-    case NSF18FunctionKey: return VKEY_F18;
-    case NSF19FunctionKey: return VKEY_F19;
-    case NSF20FunctionKey: return VKEY_F20;
-
-    case NSF21FunctionKey: return VKEY_F21;
-    case NSF22FunctionKey: return VKEY_F22;
-    case NSF23FunctionKey: return VKEY_F23;
-    case NSF24FunctionKey: return VKEY_F24;
-    case NSScrollLockFunctionKey: return VKEY_SCROLL;
-
-      // U.S. Specific mappings.  Mileage may vary.
-    case ';': case ':': return VKEY_OEM_1;
-    case '=': case '+': return VKEY_OEM_PLUS;
-    case ',': case '<': return VKEY_OEM_COMMA;
-    case '-': case '_': return VKEY_OEM_MINUS;
-    case '.': case '>': return VKEY_OEM_PERIOD;
-    case '/': case '?': return VKEY_OEM_2;
-    case '`': case '~': return VKEY_OEM_3;
-    case '[': case '{': return VKEY_OEM_4;
-    case '\\': case '|': return VKEY_OEM_5;
-    case ']': case '}': return VKEY_OEM_6;
-    case '\'': case '"': return VKEY_OEM_7;
-  }
-
-  return VKEY_UNKNOWN;
-}
-
 KeyboardCode KeyboardCodeFromKeyCode(unsigned short keyCode) {
   static const KeyboardCode kKeyboardCodes[] = {
     /* 0 */ VKEY_A,
     /* 1 */ VKEY_S,
     /* 2 */ VKEY_D,
     /* 3 */ VKEY_F,
     /* 4 */ VKEY_H,
     /* 5 */ VKEY_G,
     /* 6 */ VKEY_Z,
     /* 7 */ VKEY_X,
@@ skipping 195 matching lines @@
         default:
           break;
       }
     }
   }
 
   // TODO(suzhe): Support characters for Option key bindings.
   return macKeycode;
 }
 
+// Translates from character code to keyboard code.
+KeyboardCode KeyboardCodeFromCharCode(unichar charCode) {
+  switch (charCode) {
+    case 8: case 0x7F: return VKEY_BACK;
+    case 9: return VKEY_TAB;
+    case 0xD: case 3: return VKEY_RETURN;
+    case 0x1B: return VKEY_ESCAPE;
+    case ' ': return VKEY_SPACE;
+    case NSHomeFunctionKey: return VKEY_HOME;
+    case NSEndFunctionKey: return VKEY_END;
+    case NSPageUpFunctionKey: return VKEY_PRIOR;
+    case NSPageDownFunctionKey: return VKEY_NEXT;
+    case NSUpArrowFunctionKey: return VKEY_UP;
+    case NSDownArrowFunctionKey: return VKEY_DOWN;
+    case NSLeftArrowFunctionKey: return VKEY_LEFT;
+    case NSRightArrowFunctionKey: return VKEY_RIGHT;
+    case NSDeleteFunctionKey: return VKEY_DELETE;
+
+    case '0': case ')': return VKEY_0;
+    case '1': case '!': return VKEY_1;
+    case '2': case '@': return VKEY_2;
+    case '3': case '#': return VKEY_3;
+    case '4': case '$': return VKEY_4;
+    case '5': case '%': return VKEY_5;
+    case '6': case '^': return VKEY_6;
+    case '7': case '&': return VKEY_7;
+    case '8': case '*': return VKEY_8;
+    case '9': case '(': return VKEY_9;
+
+    case 'a': case 'A': return VKEY_A;
+    case 'b': case 'B': return VKEY_B;
+    case 'c': case 'C': return VKEY_C;
+    case 'd': case 'D': return VKEY_D;
+    case 'e': case 'E': return VKEY_E;
+    case 'f': case 'F': return VKEY_F;
+    case 'g': case 'G': return VKEY_G;
+    case 'h': case 'H': return VKEY_H;
+    case 'i': case 'I': return VKEY_I;
+    case 'j': case 'J': return VKEY_J;
+    case 'k': case 'K': return VKEY_K;
+    case 'l': case 'L': return VKEY_L;
+    case 'm': case 'M': return VKEY_M;
+    case 'n': case 'N': return VKEY_N;
+    case 'o': case 'O': return VKEY_O;
+    case 'p': case 'P': return VKEY_P;
+    case 'q': case 'Q': return VKEY_Q;
+    case 'r': case 'R': return VKEY_R;
+    case 's': case 'S': return VKEY_S;
+    case 't': case 'T': return VKEY_T;
+    case 'u': case 'U': return VKEY_U;
+    case 'v': case 'V': return VKEY_V;
+    case 'w': case 'W': return VKEY_W;
+    case 'x': case 'X': return VKEY_X;
+    case 'y': case 'Y': return VKEY_Y;
+    case 'z': case 'Z': return VKEY_Z;
+
+    case NSPauseFunctionKey: return VKEY_PAUSE;
+    case NSSelectFunctionKey: return VKEY_SELECT;
+    case NSPrintFunctionKey: return VKEY_PRINT;
+    case NSExecuteFunctionKey: return VKEY_EXECUTE;
+    case NSPrintScreenFunctionKey: return VKEY_SNAPSHOT;
+    case NSInsertFunctionKey: return VKEY_INSERT;
+    case NSHelpFunctionKey: return VKEY_INSERT;
+
+    case NSF1FunctionKey: return VKEY_F1;
+    case NSF2FunctionKey: return VKEY_F2;
+    case NSF3FunctionKey: return VKEY_F3;
+    case NSF4FunctionKey: return VKEY_F4;
+    case NSF5FunctionKey: return VKEY_F5;
+    case NSF6FunctionKey: return VKEY_F6;
+    case NSF7FunctionKey: return VKEY_F7;
+    case NSF8FunctionKey: return VKEY_F8;
+    case NSF9FunctionKey: return VKEY_F9;
+    case NSF10FunctionKey: return VKEY_F10;
+    case NSF11FunctionKey: return VKEY_F11;
+    case NSF12FunctionKey: return VKEY_F12;
+    case NSF13FunctionKey: return VKEY_F13;
+    case NSF14FunctionKey: return VKEY_F14;
+    case NSF15FunctionKey: return VKEY_F15;
+    case NSF16FunctionKey: return VKEY_F16;
+    case NSF17FunctionKey: return VKEY_F17;
+    case NSF18FunctionKey: return VKEY_F18;
+    case NSF19FunctionKey: return VKEY_F19;
+    case NSF20FunctionKey: return VKEY_F20;
+
+    case NSF21FunctionKey: return VKEY_F21;
+    case NSF22FunctionKey: return VKEY_F22;
+    case NSF23FunctionKey: return VKEY_F23;
+    case NSF24FunctionKey: return VKEY_F24;
+    case NSScrollLockFunctionKey: return VKEY_SCROLL;
+
+      // U.S. Specific mappings.  Mileage may vary.
+    case ';': case ':': return VKEY_OEM_1;
+    case '=': case '+': return VKEY_OEM_PLUS;
+    case ',': case '<': return VKEY_OEM_COMMA;
+    case '-': case '_': return VKEY_OEM_MINUS;
+    case '.': case '>': return VKEY_OEM_PERIOD;
+    case '/': case '?': return VKEY_OEM_2;
+    case '`': case '~': return VKEY_OEM_3;
+    case '[': case '{': return VKEY_OEM_4;
+    case '\\': case '|': return VKEY_OEM_5;
+    case ']': case '}': return VKEY_OEM_6;
+    case '\'': case '"': return VKEY_OEM_7;
+  }
+
+  return VKEY_UNKNOWN;
+}
+
 KeyboardCode KeyboardCodeFromNSEvent(NSEvent* event) {
   KeyboardCode code = VKEY_UNKNOWN;
 
   if ([event type] == NSKeyDown || [event type] == NSKeyUp) {
     NSString* characters = [event characters];
     if ([characters length] > 0)
       code = KeyboardCodeFromCharCode([characters characterAtIndex:0]);
     if (code)
       return code;
 
     characters = [event charactersIgnoringModifiers];
     if ([characters length] > 0)
       code = KeyboardCodeFromCharCode([characters characterAtIndex:0]);
     if (code)
       return code;
   }
   return KeyboardCodeFromKeyCode([event keyCode]);
 }
 
 DomCode CodeFromNSEvent(NSEvent* event) {
   return ui::KeycodeConverter::NativeKeycodeToDomCode([event keyCode]);
 }
 
 }  // namespace ui