// Draw client-side cursor
if (cursorImage != null) {
redrawCursor(
- mouseState.getX(),
- mouseState.getY()
+ mouseState.x,
+ mouseState.y
);
}
// Build mask
var buttonMask = 0;
- if (mouseState.getLeft()) buttonMask |= 1;
- if (mouseState.getMiddle()) buttonMask |= 2;
- if (mouseState.getRight()) buttonMask |= 4;
- if (mouseState.getUp()) buttonMask |= 8;
- if (mouseState.getDown()) buttonMask |= 16;
+ if (mouseState.left) buttonMask |= 1;
+ if (mouseState.middle) buttonMask |= 2;
+ if (mouseState.right) buttonMask |= 4;
+ if (mouseState.up) buttonMask |= 8;
+ if (mouseState.down) buttonMask |= 16;
// Send message
- tunnel.sendMessage("mouse:" + mouseState.getX() + "," + mouseState.getY() + "," + buttonMask + ";");
+ tunnel.sendMessage("mouse:" + mouseState.x + "," + mouseState.y + "," + buttonMask + ";");
};
guac_client.setClipboard = function(data) {
// Add new layer
layer = new Guacamole.Layer(displayWidth, displayHeight);
+
+ // Set layer position
+ var canvas = layer.getCanvas();
+ canvas.style.position = "absolute";
+ canvas.style.left = "0px";
+ canvas.style.top = "0px";
+
layers[index] = layer;
// (Re)-add existing layers in order
if (cursor == null) {
cursor = new Guacamole.Layer(displayWidth, displayHeight);
- display.appendChild(cursor.getCanvas());
+
+ var canvas = cursor.getCanvas();
+ canvas.style.position = "absolute";
+ canvas.style.left = "0px";
+ canvas.style.top = "0px";
+
+ display.appendChild(canvas);
}
// Start cursor image load
// Guacamole namespace
var Guacamole = Guacamole || {};
+/**
+ * Provides cross-browser mouse events for a given element. The events of
+ * the given element are automatically populated with handlers that translate
+ * mouse events into a non-browser-specific event provided by the
+ * Guacamole.Mouse instance.
+ *
+ * Touch event support is planned, but currently only in testing (translate
+ * touch events into mouse events).
+ *
+ * @constructor
+ * @param {Element} element The Element to use to provide mouse events.
+ */
Guacamole.Mouse = function(element) {
+ /**
+ * Reference to this Guacamole.Mouse.
+ * @private
+ */
var guac_mouse = this;
- var mouseLeftButton = 0;
- var mouseMiddleButton = 0;
- var mouseRightButton = 0;
-
- var mouseX = 0;
- var mouseY = 0;
-
- var absoluteMouseX = 0;
- var absoluteMouseY = 0;
-
-
- function getMouseState(up, down) {
- var mouseState = new MouseEvent(mouseX, mouseY,
- mouseLeftButton, mouseMiddleButton, mouseRightButton, up, down);
-
- return mouseState;
- }
-
+ /**
+ * The current mouse state. The properties of this state are updated when
+ * mouse events fire. This state object is also passed in as a parameter to
+ * the handler of any mouse events.
+ *
+ * @type Guacamole.Mouse.State
+ */
+ this.currentState = new Guacamole.Mouse.State(
+ 0, 0,
+ false, false, false, false, false
+ );
+
+ /**
+ * Fired whenever the user presses a mouse button down over the element
+ * associated with this Guacamole.Mouse.
+ *
+ * @event
+ * @param {Guacamole.Mouse.State} state The current mouse state.
+ */
+ this.onmousedown = null;
+
+ /**
+ * Fired whenever the user releases a mouse button down over the element
+ * associated with this Guacamole.Mouse.
+ *
+ * @event
+ * @param {Guacamole.Mouse.State} state The current mouse state.
+ */
+ this.onmouseup = null;
+
+ /**
+ * Fired whenever the user moves the mouse over the element associated with
+ * this Guacamole.Mouse.
+ *
+ * @event
+ * @param {Guacamole.Mouse.State} state The current mouse state.
+ */
+ this.onmousemove = null;
// Block context menu so right-click gets sent properly
- element.oncontextmenu = function(e) {return false;};
+ element.oncontextmenu = function(e) {
+ return false;
+ };
element.onmousemove = function(e) {
e.stopPropagation();
- absoluteMouseX = e.pageX;
- absoluteMouseY = e.pageY;
+ var absoluteMouseX = e.pageX;
+ var absoluteMouseY = e.pageY;
- mouseX = absoluteMouseX - element.offsetLeft;
- mouseY = absoluteMouseY - element.offsetTop;
+ guac_mouse.currentState.x = absoluteMouseX - element.offsetLeft;
+ guac_mouse.currentState.y = absoluteMouseY - element.offsetTop;
// This is all JUST so we can get the mouse position within the element
var parent = element.offsetParent;
while (parent) {
if (parent.offsetLeft && parent.offsetTop) {
- mouseX -= parent.offsetLeft;
- mouseY -= parent.offsetTop;
+ guac_mouse.currentState.x -= parent.offsetLeft;
+ guac_mouse.currentState.y -= parent.offsetTop;
}
parent = parent.offsetParent;
}
if (guac_mouse.onmousemove)
- guac_mouse.onmousemove(getMouseState(0, 0));
+ guac_mouse.onmousemove(guac_mouse.currentState);
+
};
switch (e.button) {
case 0:
- mouseLeftButton = 1;
+ guac_mouse.currentState.left = true;
break;
case 1:
- mouseMiddleButton = 1;
+ guac_mouse.currentState.middle = true;
break;
case 2:
- mouseRightButton = 1;
+ guac_mouse.currentState.right = true;
break;
}
if (guac_mouse.onmousedown)
- guac_mouse.onmousedown(getMouseState(0, 0));
+ guac_mouse.onmousedown(guac_mouse.currentState);
+
};
switch (e.button) {
case 0:
- mouseLeftButton = 0;
+ guac_mouse.currentState.left = false;
break;
case 1:
- mouseMiddleButton = 0;
+ guac_mouse.currentState.middle = false;
break;
case 2:
- mouseRightButton = 0;
+ guac_mouse.currentState.right = false;
break;
}
if (guac_mouse.onmouseup)
- guac_mouse.onmouseup(getMouseState(0, 0));
+ guac_mouse.onmouseup(guac_mouse.currentState);
+
};
element.onmouseout = function(e) {
e.stopPropagation();
// Release all buttons
- if (mouseLeftButton || mouseMiddleButton || mouseRightButton) {
- mouseLeftButton = 0;
- mouseMiddleButton = 0;
- mouseRightButton = 0;
+ if (guac_mouse.currentState.left
+ || guac_mouse.currentState.middle
+ || guac_mouse.currentState.right) {
+
+ guac_mouse.currentState.left = false;
+ guac_mouse.currentState.middle = false;
+ guac_mouse.currentState.right = false;
if (guac_mouse.onmouseup)
- guac_mouse.onmouseup(getMouseState(0, 0));
+ guac_mouse.onmouseup(guac_mouse.currentState);
}
};
// Up
if (delta < 0) {
- if (guac_mouse.onmousedown)
- guac_mouse.onmousedown(getMouseState(1, 0));
+ if (guac_mouse.onmousedown) {
+ guac_mouse.currentState.up = true;
+ guac_mouse.onmousedown(guac_mouse.currentState);
+ }
- if (guac_mouse.onmouseup)
- guac_mouse.onmouseup(getMouseState(0, 0));
+ if (guac_mouse.onmouseup) {
+ guac_mouse.currentState.up = false;
+ guac_mouse.onmouseup(guac_mouse.currentState);
+ }
}
// Down
if (delta > 0) {
- if (guac_mouse.onmousedown)
- guac_mouse.onmousedown(getMouseState(0, 1));
-
- if (guac_mouse.onmouseup)
- guac_mouse.onmouseup(getMouseState(0, 0));
+ if (guac_mouse.onmousedown) {
+ guac_mouse.currentState.down = true;
+ guac_mouse.onmousedown(guac_mouse.currentState);
+ }
+
+ if (guac_mouse.onmouseup) {
+ guac_mouse.currentState.down = false;
+ guac_mouse.onmouseup(guac_mouse.currentState);
+ }
}
if (e.preventDefault)
element.onmousewheel = function(e) {
handleScroll(e);
- }
-
- guac_mouse.onmousedown = null;
- guac_mouse.onmouseup = null;
- guac_mouse.onmousemove = null;
-
- guac_mouse.getX = function() {return mouseX;};
- guac_mouse.getY = function() {return mouseY;};
- guac_mouse.getLeftButton = function() {return mouseLeftButton;};
- guac_mouse.getMiddleButton = function() {return mouseMiddleButton;};
- guac_mouse.getRightButton = function() {return mouseRightButton;};
-
-}
-
-function MouseEvent(x, y, left, middle, right, up, down) {
-
- this.getX = function() {
- return x;
};
- this.getY = function() {
- return y;
- };
+};
- this.getLeft = function() {
- return left;
- };
+Guacamole.Mouse.State = function(x, y, left, middle, right, up, down) {
- this.getMiddle = function() {
- return middle;
- };
-
- this.getRight = function() {
- return right;
- };
-
- this.getUp = function() {
- return up;
- };
-
- this.getDown = function() {
- return down;
- };
+ this.x = x;
+ this.y = y;
+ this.left = left;
+ this.middle = middle
+ this.right = right;
+ this.up = up;
+ this.down = down;
+
+};
-}