Remove QEMU key event handler

The normal event handler provides all the necessary information
now, so it is no longer needed.

3 files changed, 0 insertions, 137 deletions

diff --git a/core/input/devices.js b/core/input/devices.js
index c92c6a3..979756d 100644
--- a/core/input/devices.js
+++ b/core/input/devices.js
@@ -54,14 +54,6 @@ Keyboard.prototype = {
         }
     },
 
-    setQEMUVNCKeyboardHandler: function () {
-        this._handler = new KeyboardUtil.QEMUKeyEventDecoder(KeyboardUtil.ModifierSync(),
-            KeyboardUtil.TrackQEMUKeyState(
-                this._handleRfbEvent.bind(this)
-            )
-        );
-    },
-
     _handleKeyDown: function (e) {
         if (!this._focused) { return; }
 
diff --git a/core/input/util.js b/core/input/util.js
index b8fd83a..7dea0c0 100644
--- a/core/input/util.js
+++ b/core/input/util.js
@@ -257,134 +257,6 @@ export function getKeysym(evt){
     return null;
 }
 
-export function QEMUKeyEventDecoder (modifierState, next) {
-    "use strict";
-
-    function sendAll(evts) {
-        for (var i = 0; i < evts.length; ++i) {
-            next(evts[i]);
-        }
-    }
-
-    var numPadCodes = ["Numpad0", "Numpad1", "Numpad2",
-        "Numpad3", "Numpad4", "Numpad5", "Numpad6",
-        "Numpad7", "Numpad8", "Numpad9", "NumpadDecimal"];
-
-    var numLockOnKeySyms = {
-        "Numpad0": 0xffb0, "Numpad1": 0xffb1, "Numpad2": 0xffb2,
-        "Numpad3": 0xffb3, "Numpad4": 0xffb4, "Numpad5": 0xffb5,
-        "Numpad6": 0xffb6, "Numpad7": 0xffb7, "Numpad8": 0xffb8,
-        "Numpad9": 0xffb9, "NumpadDecimal": 0xffac
-    };
-
-    var numLockOnKeyCodes = [96, 97, 98, 99, 100, 101, 102,
-        103, 104, 105, 108, 110];
-
-    function isNumPadMultiKey(evt) {
-        return (numPadCodes.indexOf(evt.code) !== -1);
-    }
-
-    function getNumPadKeySym(evt) {
-        if (numLockOnKeyCodes.indexOf(evt.keyCode) !== -1) {
-            return numLockOnKeySyms[evt.code];
-        }
-        return 0;
-    }
-
-    function process(evt, type) {
-        var result = {type: type};
-        result.code = getKeycode(evt);
-        result.keysym = 0;
-
-        if (isNumPadMultiKey(evt)) {
-            result.keysym = getNumPadKeySym(evt);
-        }
-
-        var suppress = type !== 'keydown' || !!getKeysym(evt);
-
-        next(result);
-        return suppress;
-    }
-    return {
-        keydown: function(evt) {
-            sendAll(modifierState.keydown(evt));
-            return process(evt, 'keydown');
-        },
-        keypress: function(evt) {
-            return true;
-        },
-        keyup: function(evt) {
-            sendAll(modifierState.keyup(evt));
-            return process(evt, 'keyup');
-        },
-        syncModifiers: function(evt) {
-            sendAll(modifierState.syncAny(evt));
-        },
-        releaseAll: function() { next({type: 'releaseall'}); }
-    };
-};
-
-export function TrackQEMUKeyState (next) {
-    "use strict";
-    var state = [];
-
-    return function (evt) {
-        var last = state.length !== 0 ? state[state.length-1] : null;
-
-        switch (evt.type) {
-        case 'keydown':
-
-            if (!last || last.code !== evt.code) {
-                last = {code: evt.code};
-
-                if (state.length > 0 && state[state.length-1].code == 'ControlLeft') {
-                     if (evt.code !== 'AltRight') {
-                         next({code: 'ControlLeft', type: 'keydown', keysym: 0});
-                     } else {
-                         state.pop();
-                     }
-                }
-                state.push(last);
-            }
-            if (evt.code !== 'ControlLeft') {
-                next(evt);
-            }
-            break;
-
-        case 'keyup':
-            if (state.length === 0) {
-                return;
-            }
-            var idx = null;
-            // do we have a matching key tracked as being down?
-            for (var i = 0; i !== state.length; ++i) {
-                if (state[i].code === evt.code) {
-                    idx = i;
-                    break;
-                }
-            }
-            // if we couldn't find a match (it happens), assume it was the last key pressed
-            if (idx === null) {
-                if (evt.code === 'ControlLeft') {
-                    return;
-                }
-                idx = state.length - 1;
-            }
-
-            state.splice(idx, 1);
-            next(evt);
-            break;
-        case 'releaseall':
-            /* jshint shadow: true */
-            for (var i = 0; i < state.length; ++i) {
-                next({code: state[i].code, keysym: 0, type: 'keyup'});
-            }
-            /* jshint shadow: false */
-            state = [];
-        }
-    };
-};
-
 // Takes a DOM keyboard event and:
 // - determines which keysym it represents
 // - determines a code identifying the key that was pressed (corresponding to the code/keyCode properties on the DOM event)
diff --git a/core/rfb.js b/core/rfb.js
index 46b3158..c82dd23 100644
--- a/core/rfb.js
+++ b/core/rfb.js
@@ -2464,7 +2464,6 @@ RFB.encodingHandlers = {
         var keyboardEvent = document.createEvent("keyboardEvent");
         if (keyboardEvent.code !== undefined) {
             this._qemuExtKeyEventSupported = true;
-            this._keyboard.setQEMUVNCKeyboardHandler();
         }
     },