Adding files from old SVN repo, as of 0.2.6 trunk.

guacamole/web/javascript/mouse.js

@@ -0,0 +1,205 @@
+
+/*
+ *  Guacamole - Pure JavaScript/HTML VNC Client
+ *  Copyright (C) 2010  Michael Jumper
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+function GuacamoleMouse(element) {
+
+	/*****************************************/
+	/*** Mouse Handler                     ***/
+	/*****************************************/
+
+
+    var mouseIndex = 0;
+
+    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;
+    }
+
+
+    // Block context menu so right-click gets sent properly
+    element.oncontextmenu = function(e) {return false;};
+
+    element.onmousemove = function(e) {
+
+        e.stopPropagation();
+
+        absoluteMouseX = e.pageX;
+        absoluteMouseY = e.pageY;
+
+        mouseX = absoluteMouseX - element.offsetLeft;
+        mouseY = 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;
+            }
+            parent = parent.offsetParent;
+        }
+
+        movementHandler(getMouseState(0, 0));
+    };
+
+
+    element.onmousedown = function(e) {
+
+        e.stopPropagation();
+
+        switch (e.button) {
+            case 0:
+                mouseLeftButton = 1;
+                break;
+            case 1:
+                mouseMiddleButton = 1;
+                break;
+            case 2:
+                mouseRightButton = 1;
+                break;
+        }
+
+        buttonPressedHandler(getMouseState(0, 0));
+    };
+
+
+    element.onmouseup = function(e) {
+
+        e.stopPropagation();
+
+        switch (e.button) {
+            case 0:
+                mouseLeftButton = 0;
+                break;
+            case 1:
+                mouseMiddleButton = 0;
+                break;
+            case 2:
+                mouseRightButton = 0;
+                break;
+        }
+
+        buttonReleasedHandler(getMouseState(0, 0));
+    };
+
+    // Override selection on mouse event element.
+    element.onselectstart = function() {
+        return false;
+    };
+
+    // Scroll wheel support
+    function handleScroll(e) {
+
+        var delta = 0;
+        if (e.detail)
+            delta = e.detail;
+        else if (e.wheelDelta)
+            delta = -event.wheelDelta;
+
+        // Up
+        if (delta < 0) {
+            buttonPressedHandler(getMouseState(1, 0));
+            buttonReleasedHandler(getMouseState(0, 0));
+        }
+
+        // Down
+        if (delta > 0) {
+            buttonPressedHandler(getMouseState(0, 1));
+            buttonReleasedHandler(getMouseState(0, 0));
+        }
+
+        if (e.preventDefault)
+            e.preventDefault();
+
+        e.returnValue = false;
+    }
+
+    element.addEventListener('DOMMouseScroll', handleScroll, false);
+
+    element.onmousewheel = function(e) {
+        handleScroll(e);
+    }
+
+    function MouseEvent(x, y, left, middle, right, up, down) {
+
+        this.getX = function() {
+            return x;
+        };
+
+        this.getY = function() {
+            return y;
+        };
+
+        this.getLeft = function() {
+            return left;
+        };
+
+        this.getMiddle = function() {
+            return middle;
+        };
+
+        this.getRight = function() {
+            return right;
+        };
+
+        this.getUp = function() {
+            return up;
+        };
+
+        this.getDown = function() {
+            return down;
+        };
+
+        this.toString = function() {
+            return (mouseIndex++) + "," + x + "," + y + "," + left + "," + middle + "," + right + "," + up + "," + down;
+        };
+
+    }
+
+
+	var buttonPressedHandler = null;
+	var buttonReleasedHandler = null;
+	var movementHandler = null;
+
+	this.setButtonPressedHandler  = function(mh) {buttonPressedHandler = mh;};
+	this.setButtonReleasedHandler = function(mh) {buttonReleasedHandler = mh;};
+	this.setMovementHandler = function(mh) {movementHandler = mh;};
+
+
+    this.getX = function() {return mouseX;};
+    this.getY = function() {return mouseY;};
+    this.getLeftButton = function() {return mouseLeftButton;};
+    this.getMiddleButton = function() {return mouseMiddleButton;};
+    this.getRightButton = function() {return mouseRightButton;};
+
+}