diff options
Diffstat (limited to 'lib/keyboard_utils.js')
| -rw-r--r-- | lib/keyboard_utils.js | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/lib/keyboard_utils.js b/lib/keyboard_utils.js deleted file mode 100644 index 52544c73..00000000 --- a/lib/keyboard_utils.js +++ /dev/null @@ -1,66 +0,0 @@ -var keyCodes = { - ESC: 27, backspace: 8, deleteKey: 46, enter: 13, space: 32, shiftKey: 16, f1: 112, f12: 123, tab: 9 -}; -var keyNames = { 37: "left", 38: "up", 39: "right", 40: "down" } - -// This is a mapping of the incorrect keyIdentifiers generated by Webkit on Windows during keydown events to -// the correct identifiers, which are correctly generated on Mac. We require this mapping to properly handle -// these keys on Windows. See https://bugs.webkit.org/show_bug.cgi?id=19906 for more details. -var keyIdentifierCorrectionMap = { - "U+00C0": ["U+0060", "U+007E"], // `~ - "U+00BD": ["U+002D", "U+005F"], // -_ - "U+00BB": ["U+003D", "U+002B"], // =+ - "U+00DB": ["U+005B", "U+007B"], // [{ - "U+00DD": ["U+005D", "U+007D"], // ]} - "U+00DC": ["U+005C", "U+007C"], // \| - "U+00BA": ["U+003B", "U+003A"], // ;: - "U+00DE": ["U+0027", "U+0022"], // '" - "U+00BC": ["U+002C", "U+003C"], // ,< - "U+00BE": ["U+002E", "U+003E"], // .> - "U+00BF": ["U+002F", "U+003F"] // /? -}; - -var platform; -if (navigator.userAgent.indexOf("Mac") != -1) - platform = "Mac"; -else if (navigator.userAgent.indexOf("Linux") != -1) - platform = "Linux"; -else - platform = "Windows"; - -function getKeyChar(event) { - // Not a letter - if (event.keyIdentifier.slice(0, 2) != "U+") { - // Named key - if (keyNames[event.keyCode]) { - return keyNames[event.keyCode]; - } - // F-key - if (event.keyCode >= keyCodes.f1 && event.keyCode <= keyCodes.f12) { - return "f" + (1 + event.keyCode - keyCodes.f1); - } - return ""; - } - var keyIdentifier = event.keyIdentifier; - // On Windows, the keyIdentifiers for non-letter keys are incorrect. See - // https://bugs.webkit.org/show_bug.cgi?id=19906 for more details. - if ((platform == "Windows" || platform == "Linux") && keyIdentifierCorrectionMap[keyIdentifier]) { - correctedIdentifiers = keyIdentifierCorrectionMap[keyIdentifier]; - keyIdentifier = event.shiftKey ? correctedIdentifiers[1] : correctedIdentifiers[0]; - } - var unicodeKeyInHex = "0x" + keyIdentifier.substring(2); - var character = String.fromCharCode(parseInt(unicodeKeyInHex)).toLowerCase(); - return event.shiftKey ? character.toUpperCase() : character; -} - -function isPrimaryModifierKey(event) { - if (platform == "Mac") - return event.metaKey; - else - return event.ctrlKey; -} - -function isEscape(event) { - return event.keyCode == keyCodes.ESC || - (event.ctrlKey && getKeyChar(event) == '['); // c-[ is mapped to ESC in Vim by default. -} |
