252 lines
7.4 KiB
JavaScript
252 lines
7.4 KiB
JavaScript
"use strict";
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/*
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Copyright (C) 2012 by Jeremy P. White <jwhite@codeweavers.com>
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This file is part of spice-html5.
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spice-html5 is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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spice-html5 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with spice-html5. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*----------------------------------------------------------------------------
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** Modifier Keystates
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** These need to be tracked because focus in and out can get the keyboard
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** out of sync.
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**------------------------------------------------------------------------*/
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var Shift_state = -1;
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var Ctrl_state = -1;
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var Alt_state = -1;
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var Meta_state = -1;
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/*----------------------------------------------------------------------------
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** SpiceInputsConn
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** Drive the Spice Inputs channel (e.g. mouse + keyboard)
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**--------------------------------------------------------------------------*/
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function SpiceInputsConn()
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{
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SpiceConn.apply(this, arguments);
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this.mousex = undefined;
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this.mousey = undefined;
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this.button_state = 0;
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this.waiting_for_ack = 0;
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}
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SpiceInputsConn.prototype = Object.create(SpiceConn.prototype);
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SpiceInputsConn.prototype.process_channel_message = function(msg)
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{
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if (msg.type == SPICE_MSG_INPUTS_INIT)
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{
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var inputs_init = new SpiceMsgInputsInit(msg.data);
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this.keyboard_modifiers = inputs_init.keyboard_modifiers;
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DEBUG > 1 && console.log("MsgInputsInit - modifier " + this.keyboard_modifiers);
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// FIXME - We don't do anything with the keyboard modifiers...
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return true;
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}
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if (msg.type == SPICE_MSG_INPUTS_KEY_MODIFIERS)
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{
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var key = new SpiceMsgInputsKeyModifiers(msg.data);
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this.keyboard_modifiers = key.keyboard_modifiers;
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DEBUG > 1 && console.log("MsgInputsKeyModifiers - modifier " + this.keyboard_modifiers);
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// FIXME - We don't do anything with the keyboard modifiers...
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return true;
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}
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if (msg.type == SPICE_MSG_INPUTS_MOUSE_MOTION_ACK)
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{
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DEBUG > 1 && console.log("mouse motion ack");
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this.waiting_for_ack -= SPICE_INPUT_MOTION_ACK_BUNCH;
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return true;
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}
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return false;
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}
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function handle_mousemove(e)
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{
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var msg = new SpiceMiniData();
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var move;
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if (this.sc.mouse_mode == SPICE_MOUSE_MODE_CLIENT)
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{
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move = new SpiceMsgcMousePosition(this.sc, e)
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msg.build_msg(SPICE_MSGC_INPUTS_MOUSE_POSITION, move);
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}
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else
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{
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move = new SpiceMsgcMouseMotion(this.sc, e)
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msg.build_msg(SPICE_MSGC_INPUTS_MOUSE_MOTION, move);
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}
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if (this.sc && this.sc.inputs && this.sc.inputs.state === "ready")
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{
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if (this.sc.inputs.waiting_for_ack < (2 * SPICE_INPUT_MOTION_ACK_BUNCH))
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{
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this.sc.inputs.send_msg(msg);
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this.sc.inputs.waiting_for_ack++;
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}
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else
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{
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DEBUG > 0 && this.sc.log_info("Discarding mouse motion");
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}
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}
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}
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function handle_mousedown(e)
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{
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var press = new SpiceMsgcMousePress(this.sc, e)
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var msg = new SpiceMiniData();
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msg.build_msg(SPICE_MSGC_INPUTS_MOUSE_PRESS, press);
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if (this.sc && this.sc.inputs && this.sc.inputs.state === "ready")
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this.sc.inputs.send_msg(msg);
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e.preventDefault();
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}
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function handle_contextmenu(e)
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{
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e.preventDefault();
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return false;
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}
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function handle_mouseup(e)
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{
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var release = new SpiceMsgcMouseRelease(this.sc, e)
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var msg = new SpiceMiniData();
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msg.build_msg(SPICE_MSGC_INPUTS_MOUSE_RELEASE, release);
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if (this.sc && this.sc.inputs && this.sc.inputs.state === "ready")
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this.sc.inputs.send_msg(msg);
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e.preventDefault();
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}
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function handle_mousewheel(e)
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{
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var press = new SpiceMsgcMousePress;
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var release = new SpiceMsgcMouseRelease;
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if (e.wheelDelta > 0)
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press.button = release.button = SPICE_MOUSE_BUTTON_UP;
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else
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press.button = release.button = SPICE_MOUSE_BUTTON_DOWN;
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press.buttons_state = 0;
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release.buttons_state = 0;
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var msg = new SpiceMiniData();
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msg.build_msg(SPICE_MSGC_INPUTS_MOUSE_PRESS, press);
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if (this.sc && this.sc.inputs && this.sc.inputs.state === "ready")
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this.sc.inputs.send_msg(msg);
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msg.build_msg(SPICE_MSGC_INPUTS_MOUSE_RELEASE, release);
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if (this.sc && this.sc.inputs && this.sc.inputs.state === "ready")
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this.sc.inputs.send_msg(msg);
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e.preventDefault();
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}
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function handle_keydown(e)
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{
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var key = new SpiceMsgcKeyDown(e)
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var msg = new SpiceMiniData();
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check_and_update_modifiers(e, key.code, this.sc);
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msg.build_msg(SPICE_MSGC_INPUTS_KEY_DOWN, key);
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if (this.sc && this.sc.inputs && this.sc.inputs.state === "ready")
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this.sc.inputs.send_msg(msg);
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e.preventDefault();
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}
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function handle_keyup(e)
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{
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var key = new SpiceMsgcKeyUp(e)
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var msg = new SpiceMiniData();
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check_and_update_modifiers(e, key.code, this.sc);
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msg.build_msg(SPICE_MSGC_INPUTS_KEY_UP, key);
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if (this.sc && this.sc.inputs && this.sc.inputs.state === "ready")
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this.sc.inputs.send_msg(msg);
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e.preventDefault();
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}
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function update_modifier(state, code, sc)
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{
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var msg = new SpiceMiniData();
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if (!state)
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{
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var key = new SpiceMsgcKeyUp()
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key.code =(0x80|code);
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msg.build_msg(SPICE_MSGC_INPUTS_KEY_UP, key);
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}
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else
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{
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var key = new SpiceMsgcKeyDown()
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key.code = code;
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msg.build_msg(SPICE_MSGC_INPUTS_KEY_DOWN, key);
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}
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sc.inputs.send_msg(msg);
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}
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function check_and_update_modifiers(e, code, sc)
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{
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if (Shift_state === -1)
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{
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Shift_state = e.shiftKey;
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Ctrl_state = e.ctrlKey;
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Alt_state = e.altKey;
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Meta_state = e.metaKey;
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}
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if (code === KEY_ShiftL)
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Shift_state = true;
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else if (code === KEY_Alt)
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Alt_state = true;
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else if (code === KEY_LCtrl)
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Ctrl_state = true;
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else if (code === 0xE0B5)
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Meta_state = true;
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else if (code === (0x80|KEY_ShiftL))
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Shift_state = false;
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else if (code === (0x80|KEY_Alt))
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Alt_state = false;
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else if (code === (0x80|KEY_LCtrl))
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Ctrl_state = false;
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else if (code === (0x80|0xE0B5))
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Meta_state = false;
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if (sc && sc.inputs && sc.inputs.state === "ready")
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{
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if (Shift_state != e.shiftKey)
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{
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console.log("Shift state out of sync");
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update_modifier(e.shiftKey, KEY_ShiftL, sc);
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Shift_state = e.shiftKey;
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}
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if (Alt_state != e.altKey)
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{
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console.log("Alt state out of sync");
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update_modifier(e.altKey, KEY_Alt, sc);
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Alt_state = e.altKey;
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}
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if (Ctrl_state != e.ctrlKey)
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{
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console.log("Ctrl state out of sync");
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update_modifier(e.ctrlKey, KEY_LCtrl, sc);
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Ctrl_state = e.ctrlKey;
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}
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if (Meta_state != e.metaKey)
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{
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console.log("Meta state out of sync");
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update_modifier(e.metaKey, 0xE0B5, sc);
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Meta_state = e.metaKey;
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}
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}
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}
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