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Add alt key hook to keyboard event handler (just in case :-)

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This commit is contained in:
Dave C-J 2014-05-14 14:17:26 +01:00
parent 0e35b65afd
commit a76f48f50b
1 changed files with 10 additions and 8 deletions
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18
public/red/ui/keyboard.js
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@ -14,17 +14,18 @@
* limitations under the License. * limitations under the License.
**/ **/
RED.keyboard = function() { RED.keyboard = function() {
var active = true; var active = true;
var handlers = {}; var handlers = {};
d3.select(window).on("keydown",function() { d3.select(window).on("keydown",function() {
if (!active) { return; } if (!active) { return; }
var handler = handlers[d3.event.keyCode]; var handler = handlers[d3.event.keyCode];
if (handler && handler.ondown) { if (handler && handler.ondown) {
if (!handler.modifiers || if (!handler.modifiers ||
((!handler.modifiers.shift || d3.event.shiftKey)&& ((!handler.modifiers.shift || d3.event.shiftKey) &&
(!handler.modifiers.ctrl || d3.event.ctrlKey))) { (!handler.modifiers.ctrl || d3.event.ctrlKey ) &&
(!handler.modifiers.alt || d3.event.altKey ) )) {
handler.ondown(); handler.ondown();
} }
} }
@ -34,8 +35,9 @@ RED.keyboard = function() {
var handler = handlers[d3.event.keyCode]; var handler = handlers[d3.event.keyCode];
if (handler && handler.onup) { if (handler && handler.onup) {
if (!handler.modifiers || if (!handler.modifiers ||
((!handler.modifiers.shift || d3.event.shiftKey)&& ((!handler.modifiers.shift || d3.event.shiftKey) &&
(!handler.modifiers.ctrl || d3.event.ctrlKey))) { (!handler.modifiers.ctrl || d3.event.ctrlKey ) &&
(!handler.modifiers.alt || d3.event.altKey ) )) {
handler.onup(); handler.onup();
} }
} }
@ -44,7 +46,7 @@ RED.keyboard = function() {
var mod = modifiers; var mod = modifiers;
var cbdown = ondown; var cbdown = ondown;
var cbup = onup; var cbup = onup;
if (typeof modifiers == "function") { if (typeof modifiers == "function") {
mod = {}; mod = {};
cbdown = modifiers; cbdown = modifiers;
@ -55,7 +57,7 @@ RED.keyboard = function() {
function removeHandler(key) { function removeHandler(key) {
delete handlers[key]; delete handlers[key];
} }
return { return {
add: addHandler, add: addHandler,
remove: removeHandler, remove: removeHandler,