2010-05-15 20:28:55 +01:00
|
|
|
/*
|
|
|
|
* noVNC: HTML5 VNC client
|
2010-05-26 21:43:00 +01:00
|
|
|
* Copyright (C) 2010 Joel Martin
|
|
|
|
* Licensed under LGPL-3 (see LICENSE.LGPL-3)
|
2010-05-15 20:28:55 +01:00
|
|
|
*
|
|
|
|
* See README.md for usage and integration instructions.
|
|
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
|
|
|
|
/*global window, $, Browser */
|
|
|
|
|
|
|
|
// Everything namespaced inside Canvas
|
|
|
|
var Canvas = {
|
2010-04-04 22:08:55 +01:00
|
|
|
|
2010-05-17 16:18:37 +01:00
|
|
|
prefer_js : false,
|
|
|
|
|
2010-04-04 22:08:55 +01:00
|
|
|
c_x : 0,
|
|
|
|
c_y : 0,
|
|
|
|
c_wx : 0,
|
|
|
|
c_wy : 0,
|
2010-04-06 05:54:30 +01:00
|
|
|
ctx : null,
|
2010-04-04 22:08:55 +01:00
|
|
|
|
2010-04-14 18:22:47 +01:00
|
|
|
prevStyle: "",
|
|
|
|
|
2010-04-06 05:54:30 +01:00
|
|
|
mouseDown: function (e) {
|
2010-04-13 23:39:01 +01:00
|
|
|
var evt = e.event || window.event;
|
2010-04-04 21:46:39 +01:00
|
|
|
e.stop();
|
2010-04-13 15:28:53 +01:00
|
|
|
console.log('mouse ' + evt.which + '/' + evt.button + ' down:' +
|
2010-04-04 22:08:55 +01:00
|
|
|
(evt.clientX - Canvas.c_x) + "," + (evt.clientY - Canvas.c_y));
|
|
|
|
},
|
2010-04-04 21:46:39 +01:00
|
|
|
|
2010-04-04 22:08:55 +01:00
|
|
|
mouseUp: function (e) {
|
2010-04-13 23:39:01 +01:00
|
|
|
var evt = e.event || window.event;
|
2010-04-04 21:46:39 +01:00
|
|
|
e.stop();
|
2010-04-13 15:28:53 +01:00
|
|
|
console.log('mouse ' + evt.which + '/' + evt.button + ' up:' +
|
2010-04-04 22:08:55 +01:00
|
|
|
(evt.clientX - Canvas.c_x) + "," + (evt.clientY - Canvas.c_y));
|
|
|
|
},
|
2010-04-04 21:46:39 +01:00
|
|
|
|
2010-04-14 18:44:47 +01:00
|
|
|
mouseMove: function (e) {
|
|
|
|
var evt = e.event || window.event;
|
|
|
|
console.log('mouse ' + evt.which + '/' + evt.button + ' up:' +
|
|
|
|
(evt.clientX - Canvas.c_x) + "," + (evt.clientY - Canvas.c_y));
|
|
|
|
},
|
|
|
|
|
2010-05-25 17:05:55 +01:00
|
|
|
mouseWheel: function (e) {
|
|
|
|
var evt = e.event || window.event;
|
|
|
|
//e = e ? e : window.event;
|
|
|
|
var wheelData = evt.detail ? evt.detail * -1 : evt.wheelDelta / 40;
|
|
|
|
console.log('mouse scroll by ' + wheelData + ':' +
|
|
|
|
(evt.clientX - Canvas.c_x) + "," + (evt.clientY - Canvas.c_y));
|
|
|
|
},
|
|
|
|
|
2010-04-14 18:44:47 +01:00
|
|
|
|
2010-04-04 22:08:55 +01:00
|
|
|
keyDown: function (e) {
|
2010-04-04 21:46:39 +01:00
|
|
|
e.stop();
|
2010-04-13 15:28:53 +01:00
|
|
|
console.log("keydown: " + e.key + "(" + e.code + ")");
|
2010-04-04 22:08:55 +01:00
|
|
|
},
|
2010-04-04 21:46:39 +01:00
|
|
|
|
2010-04-04 22:08:55 +01:00
|
|
|
keyUp : function (e) {
|
2010-04-04 21:46:39 +01:00
|
|
|
e.stop();
|
2010-04-13 15:28:53 +01:00
|
|
|
console.log("keyup: " + e.key + "(" + e.code + ")");
|
2010-04-04 22:08:55 +01:00
|
|
|
},
|
2010-04-04 21:46:39 +01:00
|
|
|
|
2010-04-04 22:08:55 +01:00
|
|
|
ctxDisable: function (e) {
|
2010-05-15 20:28:55 +01:00
|
|
|
var evt = e.event || window.event;
|
2010-04-04 21:46:39 +01:00
|
|
|
/* Stop propagation if inside canvas area */
|
2010-05-15 20:28:55 +01:00
|
|
|
if ((evt.clientX >= Canvas.c_x) &&
|
|
|
|
(evt.clientY >= Canvas.c_y) &&
|
|
|
|
(evt.clientX < (Canvas.c_x + Canvas.c_wx)) &&
|
|
|
|
(evt.clientY < (Canvas.c_y + Canvas.c_wy))) {
|
2010-04-04 21:46:39 +01:00
|
|
|
e.stop();
|
|
|
|
return false;
|
2010-05-15 20:28:55 +01:00
|
|
|
}
|
2010-04-04 22:08:55 +01:00
|
|
|
},
|
2010-04-04 21:46:39 +01:00
|
|
|
|
|
|
|
|
2010-05-15 20:28:55 +01:00
|
|
|
init: function (id, width, height, keyDown, keyUp,
|
2010-05-25 17:05:55 +01:00
|
|
|
mouseDown, mouseUp, mouseMove, mouseWheel) {
|
2010-05-15 18:38:50 +01:00
|
|
|
console.log(">> Canvas.init");
|
2010-04-04 21:46:39 +01:00
|
|
|
|
2010-04-06 19:49:49 +01:00
|
|
|
Canvas.id = id;
|
|
|
|
|
2010-05-15 20:28:55 +01:00
|
|
|
if (! keyDown) { keyDown = Canvas.keyDown; }
|
|
|
|
if (! keyUp) { keyUp = Canvas.keyUp; }
|
|
|
|
if (! mouseDown) { mouseDown = Canvas.mouseDown; }
|
|
|
|
if (! mouseUp) { mouseUp = Canvas.mouseUp; }
|
|
|
|
if (! mouseMove) { mouseMove = Canvas.mouseMove; }
|
2010-05-25 17:05:55 +01:00
|
|
|
if (! mouseWheel) { mouseWheel = Canvas.mouseWheel; }
|
2010-04-06 05:54:30 +01:00
|
|
|
|
2010-04-06 19:49:49 +01:00
|
|
|
var c = $(Canvas.id);
|
2010-04-06 05:54:30 +01:00
|
|
|
document.addEvent('keydown', keyDown);
|
|
|
|
document.addEvent('keyup', keyUp);
|
|
|
|
c.addEvent('mousedown', mouseDown);
|
|
|
|
c.addEvent('mouseup', mouseUp);
|
2010-04-14 18:44:47 +01:00
|
|
|
c.addEvent('mousemove', mouseMove);
|
2010-05-25 17:05:55 +01:00
|
|
|
c.addEvent('mousewheel', mouseWheel);
|
2010-04-04 21:46:39 +01:00
|
|
|
|
|
|
|
/* Work around right and middle click browser behaviors */
|
2010-04-04 22:08:55 +01:00
|
|
|
document.addEvent('click', Canvas.ctxDisable);
|
|
|
|
document.body.addEvent('contextmenu', Canvas.ctxDisable);
|
2010-04-04 21:46:39 +01:00
|
|
|
|
2010-04-13 15:39:29 +01:00
|
|
|
c.width = width;
|
|
|
|
c.height = height;
|
2010-04-04 22:08:55 +01:00
|
|
|
Canvas.c_x = c.getPosition().x;
|
|
|
|
Canvas.c_y = c.getPosition().y;
|
|
|
|
Canvas.c_wx = c.getSize().x;
|
|
|
|
Canvas.c_wy = c.getSize().y;
|
2010-04-04 21:46:39 +01:00
|
|
|
|
2010-05-15 20:28:55 +01:00
|
|
|
if (! c.getContext) { return; }
|
2010-04-06 05:54:30 +01:00
|
|
|
Canvas.ctx = c.getContext('2d');
|
2010-04-14 18:22:47 +01:00
|
|
|
|
|
|
|
Canvas.prevStyle = "";
|
2010-04-04 21:46:39 +01:00
|
|
|
|
2010-05-17 16:18:37 +01:00
|
|
|
if (Browser.Engine.webkit) {
|
|
|
|
Canvas.prefer_js = true;
|
|
|
|
}
|
|
|
|
|
2010-05-15 18:38:50 +01:00
|
|
|
console.log("<< Canvas.init");
|
2010-04-06 19:49:49 +01:00
|
|
|
},
|
|
|
|
|
|
|
|
clear: function () {
|
|
|
|
Canvas.ctx.clearRect(0, 0, Canvas.c_wx, Canvas.c_wy);
|
2010-04-14 18:13:59 +01:00
|
|
|
var c = $(Canvas.id);
|
|
|
|
c.width = 640;
|
|
|
|
c.height = 20;
|
|
|
|
},
|
|
|
|
|
|
|
|
stop: function () {
|
2010-04-06 19:49:49 +01:00
|
|
|
var c = $(Canvas.id);
|
2010-04-13 15:39:29 +01:00
|
|
|
document.removeEvents('keydown');
|
|
|
|
document.removeEvents('keyup');
|
|
|
|
c.removeEvents('mousedown');
|
|
|
|
c.removeEvents('mouseup');
|
2010-04-15 05:40:29 +01:00
|
|
|
c.removeEvents('mousemove');
|
2010-05-25 17:05:55 +01:00
|
|
|
c.removeEvents('DOMMouseScroll');
|
2010-04-13 15:39:29 +01:00
|
|
|
|
|
|
|
/* Work around right and middle click browser behaviors */
|
|
|
|
document.removeEvents('click');
|
|
|
|
document.body.removeEvents('contextmenu');
|
2010-04-06 19:49:49 +01:00
|
|
|
},
|
|
|
|
|
2010-05-15 18:27:44 +01:00
|
|
|
/*
|
|
|
|
* Tile rendering functions optimized for rendering engines.
|
|
|
|
*
|
|
|
|
* - In Chrome/webkit, Javascript image data array manipulations are
|
|
|
|
* faster than direct Canvas fillStyle, fillRect rendering. In
|
|
|
|
* gecko, Javascript array handling is much slower.
|
|
|
|
*/
|
|
|
|
getTile: function(x, y, width, height, color) {
|
2010-05-17 16:18:37 +01:00
|
|
|
var img, data, p, red, green, blue, j, i;
|
2010-05-15 20:28:55 +01:00
|
|
|
img = {'x': x, 'y': y, 'width': width, 'height': height,
|
|
|
|
'data': []};
|
2010-05-17 16:18:37 +01:00
|
|
|
if (Canvas.prefer_js) {
|
|
|
|
data = img.data;
|
2010-05-15 20:28:55 +01:00
|
|
|
red = color[0];
|
|
|
|
green = color[1];
|
|
|
|
blue = color[2];
|
|
|
|
for (j = 0; j < height; j++) {
|
|
|
|
for (i = 0; i < width; i++) {
|
2010-05-15 18:27:44 +01:00
|
|
|
p = (i + (j * width) ) * 4;
|
|
|
|
img.data[p + 0] = red;
|
|
|
|
img.data[p + 1] = green;
|
|
|
|
img.data[p + 2] = blue;
|
|
|
|
//img.data[p + 3] = 255; // Set Alpha
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
Canvas.fillRect(x, y, width, height, color);
|
|
|
|
}
|
|
|
|
return img;
|
|
|
|
},
|
|
|
|
|
|
|
|
setTile: function(img, x, y, w, h, color) {
|
2010-05-17 16:18:37 +01:00
|
|
|
var data, p, red, green, blue, width, j, i;
|
|
|
|
if (Canvas.prefer_js) {
|
|
|
|
data = img.data;
|
2010-05-15 20:28:55 +01:00
|
|
|
width = img.width;
|
|
|
|
red = color[0];
|
|
|
|
green = color[1];
|
|
|
|
blue = color[2];
|
|
|
|
for (j = 0; j < h; j++) {
|
|
|
|
for (i = 0; i < w; i++) {
|
2010-05-15 18:27:44 +01:00
|
|
|
p = (x + i + ((y + j) * width) ) * 4;
|
2010-05-17 16:18:37 +01:00
|
|
|
data[p + 0] = red;
|
|
|
|
data[p + 1] = green;
|
|
|
|
data[p + 2] = blue;
|
2010-05-15 18:27:44 +01:00
|
|
|
//img.data[p + 3] = 255; // Set Alpha
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
Canvas.fillRect(img.x + x, img.y + y, w, h, color);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
|
|
|
|
putTile: function(img) {
|
2010-05-17 16:18:37 +01:00
|
|
|
if (Canvas.prefer_js) {
|
2010-05-20 23:13:59 +01:00
|
|
|
Canvas.rgbxImage(img.x, img.y, img.width, img.height, img.data, 0);
|
2010-05-15 18:27:44 +01:00
|
|
|
//Canvas.ctx.putImageData(img, img.x, img.y);
|
|
|
|
} else {
|
|
|
|
// No-op, under gecko already done by setTile
|
|
|
|
}
|
|
|
|
},
|
|
|
|
|
|
|
|
|
2010-05-20 23:13:59 +01:00
|
|
|
rgbxImage: function(x, y, width, height, arr, offset) {
|
|
|
|
var img, i, j, data;
|
|
|
|
//console.log("rfbxImage: img: " + img + " x: " + x + " y: " + y + " width: " + width + " height: " + height);
|
2010-04-19 00:43:03 +01:00
|
|
|
/* Old firefox and Opera don't support createImageData */
|
2010-05-15 20:28:55 +01:00
|
|
|
img = Canvas.ctx.getImageData(0, 0, width, height);
|
2010-05-17 16:18:37 +01:00
|
|
|
data = img.data;
|
2010-05-20 23:13:59 +01:00
|
|
|
for (i=0; i < (width * height * 4); i=i+4) {
|
|
|
|
j=i+offset;
|
|
|
|
data[i + 0] = arr[j + 0];
|
|
|
|
data[i + 1] = arr[j + 1];
|
|
|
|
data[i + 2] = arr[j + 2];
|
|
|
|
data[i + 3] = 255; // Set Alpha
|
2010-04-06 05:54:30 +01:00
|
|
|
}
|
|
|
|
Canvas.ctx.putImageData(img, x, y);
|
|
|
|
|
2010-04-06 22:24:09 +01:00
|
|
|
},
|
|
|
|
|
2010-04-14 18:22:47 +01:00
|
|
|
fillRect: function(x, y, width, height, color) {
|
|
|
|
var newStyle = "rgb(" + color[0] + "," + color[1] + "," + color[2] + ")";
|
2010-05-15 20:28:55 +01:00
|
|
|
if (newStyle !== Canvas.prevStyle) {
|
2010-04-14 18:22:47 +01:00
|
|
|
Canvas.ctx.fillStyle = newStyle;
|
2010-05-15 20:28:55 +01:00
|
|
|
Canvas.prevStyle = newStyle;
|
2010-04-14 18:22:47 +01:00
|
|
|
}
|
2010-04-12 05:11:21 +01:00
|
|
|
Canvas.ctx.fillRect(x, y, width, height);
|
|
|
|
},
|
|
|
|
|
2010-04-07 04:44:12 +01:00
|
|
|
copyImage: function(old_x, old_y, new_x, new_y, width, height) {
|
|
|
|
Canvas.ctx.drawImage($(Canvas.id), old_x, old_y, width, height,
|
|
|
|
new_x, new_y, width, height);
|
|
|
|
},
|
|
|
|
|
2010-04-06 22:24:09 +01:00
|
|
|
/* Translate DOM key event to keysym value */
|
|
|
|
getKeysym: function(e) {
|
2010-05-15 20:28:55 +01:00
|
|
|
var evt, keysym;
|
2010-04-06 22:24:09 +01:00
|
|
|
evt = e.event || window.event;
|
|
|
|
|
|
|
|
/* Remap modifier and special keys */
|
|
|
|
switch ( evt.keyCode ) {
|
|
|
|
case 8 : keysym = 0xFF08; break; // BACKSPACE
|
|
|
|
case 9 : keysym = 0xFF09; break; // TAB
|
|
|
|
case 13 : keysym = 0xFF0D; break; // ENTER
|
|
|
|
case 27 : keysym = 0xFF1B; break; // ESCAPE
|
|
|
|
case 45 : keysym = 0xFF63; break; // INSERT
|
|
|
|
case 46 : keysym = 0xFFFF; break; // DELETE
|
|
|
|
case 36 : keysym = 0xFF50; break; // HOME
|
|
|
|
case 35 : keysym = 0xFF57; break; // END
|
|
|
|
case 33 : keysym = 0xFF55; break; // PAGE_UP
|
|
|
|
case 34 : keysym = 0xFF56; break; // PAGE_DOWN
|
|
|
|
case 37 : keysym = 0xFF51; break; // LEFT
|
|
|
|
case 38 : keysym = 0xFF52; break; // UP
|
|
|
|
case 39 : keysym = 0xFF53; break; // RIGHT
|
|
|
|
case 40 : keysym = 0xFF54; break; // DOWN
|
|
|
|
case 112 : keysym = 0xFFBE; break; // F1
|
|
|
|
case 113 : keysym = 0xFFBF; break; // F2
|
|
|
|
case 114 : keysym = 0xFFC0; break; // F3
|
|
|
|
case 115 : keysym = 0xFFC1; break; // F4
|
|
|
|
case 116 : keysym = 0xFFC2; break; // F5
|
|
|
|
case 117 : keysym = 0xFFC3; break; // F6
|
|
|
|
case 118 : keysym = 0xFFC4; break; // F7
|
|
|
|
case 119 : keysym = 0xFFC5; break; // F8
|
|
|
|
case 120 : keysym = 0xFFC6; break; // F9
|
|
|
|
case 121 : keysym = 0xFFC7; break; // F10
|
|
|
|
case 122 : keysym = 0xFFC8; break; // F11
|
|
|
|
case 123 : keysym = 0xFFC9; break; // F12
|
|
|
|
case 16 : keysym = 0xFFE1; break; // SHIFT
|
|
|
|
case 17 : keysym = 0xFFE3; break; // CONTROL
|
|
|
|
case 18 : keysym = 0xFFE7; break; // ALT
|
|
|
|
default : keysym = evt.keyCode; break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Remap symbols */
|
|
|
|
switch (keysym) {
|
|
|
|
case 186 : keysym = 59; break; // ; (IE)
|
|
|
|
case 187 : keysym = 61; break; // = (IE)
|
|
|
|
case 188 : keysym = 44; break; // , (Mozilla, IE)
|
2010-04-18 22:19:10 +01:00
|
|
|
case 109 : // - (Mozilla)
|
2010-05-15 20:28:55 +01:00
|
|
|
if (Browser.Engine.gecko) {
|
|
|
|
keysym = 45; }
|
|
|
|
break;
|
2010-04-06 22:24:09 +01:00
|
|
|
case 189 : keysym = 45; break; // - (IE)
|
|
|
|
case 190 : keysym = 46; break; // . (Mozilla, IE)
|
|
|
|
case 191 : keysym = 47; break; // / (Mozilla, IE)
|
|
|
|
case 192 : keysym = 96; break; // ` (Mozilla, IE)
|
|
|
|
case 219 : keysym = 91; break; // [ (Mozilla, IE)
|
|
|
|
case 220 : keysym = 92; break; // \ (Mozilla, IE)
|
|
|
|
case 221 : keysym = 93; break; // ] (Mozilla, IE)
|
|
|
|
case 222 : keysym = 39; break; // ' (Mozilla, IE)
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Remap shifted and unshifted keys */
|
|
|
|
if (!!evt.shiftKey) {
|
|
|
|
switch (keysym) {
|
|
|
|
case 48 : keysym = 41 ; break; // ) (shifted 0)
|
|
|
|
case 49 : keysym = 33 ; break; // ! (shifted 1)
|
|
|
|
case 50 : keysym = 64 ; break; // @ (shifted 2)
|
|
|
|
case 51 : keysym = 35 ; break; // # (shifted 3)
|
|
|
|
case 52 : keysym = 36 ; break; // $ (shifted 4)
|
|
|
|
case 53 : keysym = 37 ; break; // % (shifted 5)
|
|
|
|
case 54 : keysym = 94 ; break; // ^ (shifted 6)
|
|
|
|
case 55 : keysym = 38 ; break; // & (shifted 7)
|
|
|
|
case 56 : keysym = 42 ; break; // * (shifted 8)
|
|
|
|
case 57 : keysym = 40 ; break; // ( (shifted 9)
|
|
|
|
|
|
|
|
case 59 : keysym = 58 ; break; // : (shifted `)
|
|
|
|
case 61 : keysym = 43 ; break; // + (shifted ;)
|
|
|
|
case 44 : keysym = 60 ; break; // < (shifted ,)
|
|
|
|
case 45 : keysym = 95 ; break; // _ (shifted -)
|
|
|
|
case 46 : keysym = 62 ; break; // > (shifted .)
|
|
|
|
case 47 : keysym = 63 ; break; // ? (shifted /)
|
|
|
|
case 96 : keysym = 126; break; // ~ (shifted `)
|
|
|
|
case 91 : keysym = 123; break; // { (shifted [)
|
|
|
|
case 92 : keysym = 124; break; // | (shifted \)
|
|
|
|
case 93 : keysym = 125; break; // } (shifted ])
|
|
|
|
case 39 : keysym = 34 ; break; // " (shifted ')
|
|
|
|
}
|
|
|
|
} else if ((keysym >= 65) && (keysym <=90)) {
|
|
|
|
/* Remap unshifted A-Z */
|
|
|
|
keysym += 32;
|
|
|
|
}
|
|
|
|
|
|
|
|
return keysym;
|
2010-04-04 21:46:39 +01:00
|
|
|
}
|
|
|
|
|
2010-04-06 22:24:09 +01:00
|
|
|
|
2010-04-04 22:08:55 +01:00
|
|
|
};
|
|
|
|
|