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