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Allow default action of key events to be manually enabled.

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This commit is contained in:
Michael Jumper
2014-03-02 17:49:01 -08:00
parent 893a3f0d84
commit cc72cba29a
1 changed files with 13 additions and 6 deletions
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19
guacamole-common-js/src/main/webapp/modules/Keyboard.js
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@@ -44,6 +44,8 @@ Guacamole.Keyboard = function(element) {
*
* @event
* @param {Number} keysym The keysym of the key being pressed.
* @return {Boolean} true if the key event should be allowed through to the
* browser, false otherwise.
*/
this.onkeydown = null;
@@ -365,6 +367,7 @@ Guacamole.Keyboard = function(element) {
*
* @private
* @param keysym The keysym of the key to press.
* @return {Boolean} true if event should NOT be canceled, false otherwise.
*/
function press_key(keysym) {
@@ -379,7 +382,7 @@ Guacamole.Keyboard = function(element) {
// Send key event
if (guac_keyboard.onkeydown) {
guac_keyboard.onkeydown(keysym);
var result = guac_keyboard.onkeydown(keysym);
// Stop any current repeat
window.clearTimeout(key_repeat_timeout);
@@ -394,9 +397,12 @@ Guacamole.Keyboard = function(element) {
}, 50);
}, 500);
return result;
}
}
return false;
}
/**
@@ -519,9 +525,9 @@ Guacamole.Keyboard = function(element) {
// Press key if known
if (keysym !== null) {
e.preventDefault();
keydownChar[keynum] = keysym;
press_key(keysym);
if (!press_key(keysym))
e.preventDefault();
// If a key is pressed while meta is held down, the keyup will
// never be sent in Chrome, so send it now. (bug #108404)
@@ -538,8 +544,6 @@ Guacamole.Keyboard = function(element) {
// Only intercept if handler set
if (!guac_keyboard.onkeydown && !guac_keyboard.onkeyup) return;
e.preventDefault();
var keynum;
if (window.event) keynum = window.event.keyCode;
else if (e.which) keynum = e.which;
@@ -560,9 +564,12 @@ Guacamole.Keyboard = function(element) {
// Send press + release if keysym known
if (keysym !== null) {
press_key(keysym);
if (!press_key(keysym))
e.preventDefault();
release_key(keysym);
}
else
e.preventDefault();
}, true);