['scale', 'rw', 'float', 1.0, 'Viewport scale factor 0.0 - 1.0'],
['onMouseButton', 'rw', 'func', null, 'Handler for mouse button click/release'],
- ['onMouseMove', 'rw', 'func', null, 'Handler for mouse movement']
+ ['onMouseMove', 'rw', 'func', null, 'Handler for mouse movement'],
+ ['touchButton', 'rw', 'int', 1, 'Button mask (1, 2, 4) for touch devices (0 means ignore clicks)']
]);
}
evt = (e ? e : window.event);
pos = Util.getEventPosition(e, conf.target, conf.scale);
- if (evt.which) {
+ if (e.touches || e.changedTouches) {
+ // Touch device
+ bmask = conf.touchButton;
+ // If bmask is set
+ } else if (evt.which) {
/* everything except IE */
bmask = 1 << evt.button;
} else {
}
//Util.Debug("mouse " + pos.x + "," + pos.y + " down: " + down +
// " bmask: " + bmask + "(evt.button: " + evt.button + ")");
- if (conf.onMouseButton) {
+ if (bmask > 0 && conf.onMouseButton) {
Util.Debug("onMouseButton " + (down ? "down" : "up") +
", x: " + pos.x + ", y: " + pos.y + ", bmask: " + bmask);
conf.onMouseButton(pos.x, pos.y, down, bmask);
if (conf.onMouseMove) {
conf.onMouseMove(pos.x, pos.y);
}
+ Util.stopEvent(e);
+ return false;
}
function onMouseDisable(e) {
//Util.Debug(">> Mouse.grab");
var c = conf.target;
- Util.addEvent(c, 'mousedown', onMouseDown);
- Util.addEvent(c, 'mouseup', onMouseUp);
- Util.addEvent(c, 'mousemove', onMouseMove);
- Util.addEvent(c, (Util.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel',
- onMouseWheel);
+ if ('ontouchstart' in document.documentElement) {
+ Util.addEvent(c, 'touchstart', onMouseDown);
+ Util.addEvent(c, 'touchend', onMouseUp);
+ Util.addEvent(c, 'touchmove', onMouseMove);
+ } else {
+ Util.addEvent(c, 'mousedown', onMouseDown);
+ Util.addEvent(c, 'mouseup', onMouseUp);
+ Util.addEvent(c, 'mousemove', onMouseMove);
+ Util.addEvent(c, (Util.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel',
+ onMouseWheel);
+ }
/* Work around right and middle click browser behaviors */
Util.addEvent(document, 'click', onMouseDisable);
//Util.Debug(">> Mouse.ungrab");
var c = conf.target;
- Util.removeEvent(c, 'mousedown', onMouseDown);
- Util.removeEvent(c, 'mouseup', onMouseUp);
- Util.removeEvent(c, 'mousemove', onMouseMove);
- Util.removeEvent(c, (Util.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel',
- onMouseWheel);
+ if ('ontouchstart' in document.documentElement) {
+ Util.removeEvent(c, 'touchstart', onMouseDown);
+ Util.removeEvent(c, 'touchend', onMouseUp);
+ Util.removeEvent(c, 'touchmove', onMouseMove);
+ } else {
+ Util.removeEvent(c, 'mousedown', onMouseDown);
+ Util.removeEvent(c, 'mouseup', onMouseUp);
+ Util.removeEvent(c, 'mousemove', onMouseMove);
+ Util.removeEvent(c, (Util.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel',
+ onMouseWheel);
+ }
/* Work around right and middle click browser behaviors */
Util.removeEvent(document, 'click', onMouseDisable);
html += ' <div id="VNC_status_bar" class="VNC_status_bar" style="margin-top: 0px;">';
html += ' <table border=0 width=100%><tr>';
html += ' <td><div id="VNC_status">Loading</div></td>';
+
+ // Mouse button selectors for touch devices
+ html += ' <td width=1%><div class="VNC_buttons_right">';
+ html += ' <nobr><span id="VNC_mouse_buttons" style="display: none;">';
+ html += ' <input type="button" class="VNC_status_button"';
+ html += ' id="VNC_mouse_button1" value="L" onclick="UI.setMouseButton(1);"';
+ html += ' ><input type="button" class="VNC_status_button"';
+ html += ' id="VNC_mouse_button2" value="M" onclick="UI.setMouseButton(2);"';
+ html += ' ><input type="button" class="VNC_status_button"';
+ html += ' id="VNC_mouse_button4" value="R" onclick="UI.setMouseButton(4);">';
+ html += ' </span></nobr></div></td>';
+
+ // Settings drop-down menu
html += ' <td width=1%><div class="VNC_buttons_right">';
html += ' <input type=button class="VNC_status_button" value="Settings"';
html += ' id="menuButton"';
html += ' onclick="UI.settingsApply()"></li>';
html += ' </ul>';
html += ' </span></div></td>';
+
+ // CtrlAltDel Button
html += ' <td width=1%><div class="VNC_buttons_right">';
- html += ' <input type=button class="VNC_status_button" value="Send CtrlAltDel"';
+ html += ' <input type=button class="VNC_status_button" value="CtrlAltDel"';
html += ' id="sendCtrlAltDelButton"';
html += ' onclick="UI.sendCtrlAltDel();"></div></td>';
+
html += ' </tr></table>';
html += ' </div>';
html += ' <canvas id="VNC_canvas" width="640px" height="20px">';
}
};
+ // Show mouse selector buttons on touch screen devices
+ if ('ontouchstart' in document.documentElement) {
+ $D('VNC_mouse_buttons').style.display = "inline";
+ UI.setMouseButton();
+ }
+
},
// Read form control compatible setting from cookie
UI.rfb.sendCtrlAltDel();
},
+setMouseButton: function(num) {
+ var b, blist = [1,2,4], button,
+ mouse = UI.rfb.get_mouse();
+
+ if (typeof num === 'undefined') {
+ // Show the default
+ num = mouse.get_touchButton();
+ } else if (num === mouse.get_touchButton()) {
+ // Set all buttons off (no clicks)
+ mouse.set_touchButton(0);
+ num = 0;
+ } else {
+ // Turn on one button
+ mouse.set_touchButton(num);
+ }
+
+ for (b = 0; b < blist.length; b++) {
+ button = $D('VNC_mouse_button' + blist[b]);
+ if (blist[b] === num) {
+ button.style.backgroundColor = "black";
+ button.style.color = "lightgray";
+ } else {
+ button.style.backgroundColor = "";
+ button.style.color = "";
+ }
+ }
+
+},
+
updateState: function(rfb, state, oldstate, msg) {
var s, sb, c, cad, klass;
s = $D('VNC_status');
var evt, docX, docY, pos;
//if (!e) evt = window.event;
evt = (e ? e : window.event);
+ evt = (evt.changedTouches ? evt.changedTouches[0] : evt.touches ? evt.touches[0] : evt);
if (evt.pageX || evt.pageY) {
docX = evt.pageX;
docY = evt.pageY;
<body>
<br><br>
- Canvas:<br>
+ Canvas:
+ <span id="button-selection" style="display: none;">
+ <input id="button1" type="button" value="L"><input id="button2" type="button" value="M"><input id="button4" type="button" value="R">
+ </span>
+ <br>
<canvas id="canvas" width="640" height="20"
style="border-style: dotted; border-width: 1px;">
Canvas not supported.
<script src="../include/webutil.js"></script>
<script src="../include/base64.js"></script>
<script src="../include/input.js"></script>
- <script src="../include/canvas.js"></script>
+ <script src="../include/display.js"></script>
<script>
- var msg_cnt = 0;
- var width = 400, height = 200;
- var iterations;
+ var msg_cnt = 0, iterations,
+ width = 400, height = 200,
+ canvas, keyboard, mouse;
var newline = "\n";
if (Util.Engine.trident) {
message(msg);
}
+ function selectButton(num) {
+ var b, blist = [1,2,4];
+
+ if (typeof num === 'undefined') {
+ // Show the default
+ num = mouse.get_touchButton();
+ } else if (num === mouse.get_touchButton()) {
+ // Set all buttons off (no clicks)
+ mouse.set_touchButton(0);
+ num = 0;
+ } else {
+ // Turn on one button
+ mouse.set_touchButton(num);
+ }
+
+ for (b = 0; b < blist.length; b++) {
+ if (blist[b] === num) {
+ $D('button' + blist[b]).style.backgroundColor = "black";
+ $D('button' + blist[b]).style.color = "lightgray";
+ } else {
+ $D('button' + blist[b]).style.backgroundColor = "";
+ $D('button' + blist[b]).style.color = "";
+ }
+ }
+ }
+
window.onload = function() {
- var canvas = new Canvas({'target' : $D('canvas')});
+ canvas = new Display({'target' : $D('canvas')});
keyboard = new Keyboard({'target': document,
- 'keyPress': keyPress});
+ 'onKeyPress': keyPress});
mouse = new Mouse({'target': $D('canvas'),
- 'mouseButton': mouseButton,
- 'mouseMove': mouseMove});
+ 'onMouseButton': mouseButton,
+ 'onMouseMove': mouseMove});
+
canvas.resize(width, height, true);
keyboard.grab();
mouse.grab();
- message("Canvas initialized");
+ message("Display initialized");
+
+ if ('ontouchstart' in document.documentElement) {
+ message("Touch device detected");
+ $D('button-selection').style.display = "inline";
+ $D('button1').onclick = function(){ selectButton(1) };
+ $D('button2').onclick = function(){ selectButton(2) };
+ $D('button4').onclick = function(){ selectButton(4) };
+ selectButton();
+ }
+
}
</script>
</html>