93 lines
3.2 KiB
JavaScript
93 lines
3.2 KiB
JavaScript
"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/>.
|
|
*/
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
** SpiceCursorConn
|
|
** Drive the Spice Cursor Channel
|
|
**--------------------------------------------------------------------------*/
|
|
function SpiceCursorConn()
|
|
{
|
|
SpiceConn.apply(this, arguments);
|
|
}
|
|
|
|
SpiceCursorConn.prototype = Object.create(SpiceConn.prototype);
|
|
SpiceCursorConn.prototype.process_channel_message = function(msg)
|
|
{
|
|
if (msg.type == SPICE_MSG_CURSOR_INIT)
|
|
{
|
|
var cursor_init = new SpiceMsgCursorInit(msg.data);
|
|
DEBUG > 1 && console.log("SpiceMsgCursorInit");
|
|
if (this.parent && this.parent.inputs &&
|
|
this.parent.inputs.mouse_mode == SPICE_MOUSE_MODE_SERVER)
|
|
{
|
|
// FIXME - this imagines that the server actually
|
|
// provides the current cursor position,
|
|
// instead of 0,0. As of May 11, 2012,
|
|
// that assumption was false :-(.
|
|
this.parent.inputs.mousex = cursor_init.position.x;
|
|
this.parent.inputs.mousey = cursor_init.position.y;
|
|
}
|
|
// FIXME - We don't handle most of the parameters here...
|
|
return true;
|
|
}
|
|
|
|
if (msg.type == SPICE_MSG_CURSOR_SET)
|
|
{
|
|
var cursor_set = new SpiceMsgCursorSet(msg.data);
|
|
DEBUG > 1 && console.log("SpiceMsgCursorSet");
|
|
if (cursor_set.flags & SPICE_CURSOR_FLAGS_NONE)
|
|
{
|
|
document.getElementById(this.parent.screen_id).style.cursor = "none";
|
|
return true;
|
|
}
|
|
|
|
if (cursor_set.flags > 0)
|
|
this.log_warn("FIXME: No support for cursor flags " + cursor_set.flags);
|
|
|
|
if (cursor_set.cursor.header.type != SPICE_CURSOR_TYPE_ALPHA)
|
|
{
|
|
this.log_warn("FIXME: No support for cursor type " + cursor_set.cursor.header.type);
|
|
return false;
|
|
}
|
|
|
|
this.set_cursor(cursor_set.cursor);
|
|
|
|
return true;
|
|
}
|
|
|
|
if (msg.type == SPICE_MSG_CURSOR_HIDE)
|
|
{
|
|
DEBUG > 1 && console.log("SpiceMsgCursorHide");
|
|
document.getElementById(this.parent.screen_id).style.cursor = "none";
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
SpiceCursorConn.prototype.set_cursor = function(cursor)
|
|
{
|
|
var pngstr = create_rgba_png(cursor.header.height, cursor.header.width, cursor.data);
|
|
var curstr = 'url(data:image/png,' + pngstr + ') ' +
|
|
cursor.header.hot_spot_x + ' ' + cursor.header.hot_spot_y + ", default";
|
|
document.getElementById(this.parent.screen_id).style.cursor = curstr;
|
|
}
|