129 lines
4.3 KiB
JavaScript
129 lines
4.3 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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** SpiceCursorConn
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** Drive the Spice Cursor Channel
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**--------------------------------------------------------------------------*/
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function SpiceCursorConn()
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{
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SpiceConn.apply(this, arguments);
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}
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SpiceCursorConn.prototype = Object.create(SpiceConn.prototype);
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SpiceCursorConn.prototype.process_channel_message = function(msg)
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{
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if (msg.type == SPICE_MSG_CURSOR_INIT)
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{
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var cursor_init = new SpiceMsgCursorInit(msg.data);
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DEBUG > 1 && console.log("SpiceMsgCursorInit");
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if (this.parent && this.parent.inputs &&
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this.parent.inputs.mouse_mode == SPICE_MOUSE_MODE_SERVER)
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{
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// FIXME - this imagines that the server actually
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// provides the current cursor position,
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// instead of 0,0. As of May 11, 2012,
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// that assumption was false :-(.
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this.parent.inputs.mousex = cursor_init.position.x;
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this.parent.inputs.mousey = cursor_init.position.y;
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}
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// FIXME - We don't handle most of the parameters here...
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return true;
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}
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if (msg.type == SPICE_MSG_CURSOR_SET)
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{
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var cursor_set = new SpiceMsgCursorSet(msg.data);
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DEBUG > 1 && console.log("SpiceMsgCursorSet");
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if (cursor_set.flags & SPICE_CURSOR_FLAGS_NONE)
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{
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document.getElementById(this.parent.screen_id).style.cursor = "none";
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return true;
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}
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if (cursor_set.flags > 0)
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this.log_warn("FIXME: No support for cursor flags " + cursor_set.flags);
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if (cursor_set.cursor.header.type != SPICE_CURSOR_TYPE_ALPHA)
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{
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this.log_warn("FIXME: No support for cursor type " + cursor_set.cursor.header.type);
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return false;
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}
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this.set_cursor(cursor_set.cursor);
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return true;
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}
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if (msg.type == SPICE_MSG_CURSOR_MOVE)
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{
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this.known_unimplemented(msg.type, "Cursor Move");
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return true;
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}
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if (msg.type == SPICE_MSG_CURSOR_HIDE)
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{
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DEBUG > 1 && console.log("SpiceMsgCursorHide");
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document.getElementById(this.parent.screen_id).style.cursor = "none";
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return true;
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}
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if (msg.type == SPICE_MSG_CURSOR_TRAIL)
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{
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this.known_unimplemented(msg.type, "Cursor Trail");
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return true;
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}
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if (msg.type == SPICE_MSG_CURSOR_RESET)
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{
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DEBUG > 1 && console.log("SpiceMsgCursorReset");
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document.getElementById(this.parent.screen_id).style.cursor = "auto";
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return true;
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}
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if (msg.type == SPICE_MSG_CURSOR_INVAL_ONE)
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{
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this.known_unimplemented(msg.type, "Cursor Inval One");
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return true;
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}
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if (msg.type == SPICE_MSG_CURSOR_INVAL_ALL)
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{
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DEBUG > 1 && console.log("SpiceMsgCursorInvalAll");
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// FIXME - There may be something useful to do here...
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return true;
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}
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return false;
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}
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SpiceCursorConn.prototype.set_cursor = function(cursor)
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{
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var pngstr = create_rgba_png(cursor.header.height, cursor.header.width, cursor.data);
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var curstr = 'url(data:image/png,' + pngstr + ') ' +
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cursor.header.hot_spot_x + ' ' + cursor.header.hot_spot_y + ", default";
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var screen = document.getElementById(this.parent.screen_id);
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screen.style.cursor = 'auto';
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screen.style.cursor = curstr;
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if (window.getComputedStyle(screen, null).cursor == 'auto')
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SpiceSimulateCursor.simulate_cursor(this, cursor, screen, pngstr);
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}
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