Added SOURCE_TOOLTIPS option for advanced tooltip support while source browsing

Doxyfile

@@ -44,7 +44,6 @@ SUBGROUPING            = YES
 INLINE_GROUPED_CLASSES = NO
 INLINE_SIMPLE_STRUCTS  = NO
 TYPEDEF_HIDES_STRUCT   = NO
-SYMBOL_CACHE_SIZE      = 0
 LOOKUP_CACHE_SIZE      = 0
 #---------------------------------------------------------------------------
 # Build related configuration options

jquery/Makefile

@@ -2,6 +2,7 @@ JQUERY_VERSION = 1.7.1
 JQUERY_UI_VERSION = 1.8.18
 HASHCHANGE_VERSION = 1.3
 SCROLL_VERSION = 1.4.2
+POWERTIP_VERSION = 1.2.0
 MINIFIER = /usr/local/bin/yuicompressor-2.4.7
 SCRIPTS = jquery-$(JQUERY_VERSION).js \
           jquery.ui-$(JQUERY_UI_VERSION).core.js \
@@ -9,8 +10,10 @@ SCRIPTS = jquery-$(JQUERY_VERSION).js \
           jquery.ui-$(JQUERY_UI_VERSION).mouse.js \
           jquery.ui-$(JQUERY_UI_VERSION).resizable.js \
           jquery.ba-$(HASHCHANGE_VERSION)-hashchange.js \
-          jquery.scrollTo-$(SCROLL_VERSION).js
-RESULTS = jquery_p1.js jquery_p2.js jquery_p3.js jquery_ui.js jquery_fx.js
+          jquery.scrollTo-$(SCROLL_VERSION).js \
+	  jquery.powertip-$(POWERTIP_VERSION).js
+RESULTS = jquery_p1.js jquery_p2.js jquery_p3.js \
+          jquery_ui.js jquery_fx.js jquery_pt.js
 
 SCRIPTS_MIN = $(SCRIPTS:%.js=%-min.js)
 
@@ -26,6 +29,9 @@ jquery_ui.js: scripts
             jquery.ui-$(JQUERY_UI_VERSION).resizable-min.js \
             jquery.ba-$(HASHCHANGE_VERSION)-hashchange-min.js > jquery_ui.js
 
+jquery_pt.js: scripts
+	cat jquery.powertip-$(POWERTIP_VERSION)-min.js > jquery_pt.js
+
 jquery_fx.js: scripts
 	cat jquery.scrollTo-$(SCROLL_VERSION)-min.js > jquery_fx.js
 

jquery/README

@@ -9,6 +9,7 @@ packages:
     - jquery.ui.resizable
 - jquery.hashchange: 1.3: http://benalman.com/projects/jquery-hashchange-plugin/
 - jquery.scrollTo: 1.4.2: https://github.com/flesler/jquery.scrollTo
+- jquery.powertip: 1.2.0: http://stevenbenner.github.io/jquery-powertip/
 
 The Makefile will built the jquery_*.js files used by doxygen.
 Some files are split into smaller parts to make sure Visual Studio can compile them 

jquery/jquery.powertip-1.2.0.js

+/*!
+ PowerTip - v1.2.0 - 2013-04-03
+ http://stevenbenner.github.com/jquery-powertip/
+ Copyright (c) 2013 Steven Benner (http://stevenbenner.com/).
+ Released under MIT license.
+ https://raw.github.com/stevenbenner/jquery-powertip/master/LICENSE.txt
+*/
+(function(factory) {
+	if (typeof define === 'function' && define.amd) {
+		// AMD. Register as an anonymous module.
+		define(['jquery'], factory);
+	} else {
+		// Browser globals
+		factory(jQuery);
+	}
+}(function($) {
+
+	// useful private variables
+	var $document = $(document),
+		$window = $(window),
+		$body = $('body');
+
+	// constants
+	var DATA_DISPLAYCONTROLLER = 'displayController',
+		DATA_HASACTIVEHOVER = 'hasActiveHover',
+		DATA_FORCEDOPEN = 'forcedOpen',
+		DATA_HASMOUSEMOVE = 'hasMouseMove',
+		DATA_MOUSEONTOTIP = 'mouseOnToPopup',
+		DATA_ORIGINALTITLE = 'originalTitle',
+		DATA_POWERTIP = 'powertip',
+		DATA_POWERTIPJQ = 'powertipjq',
+		DATA_POWERTIPTARGET = 'powertiptarget',
+		RAD2DEG = 180 / Math.PI;
+
+	/**
+	 * Session data
+	 * Private properties global to all powerTip instances
+	 */
+	var session = {
+		isTipOpen: false,
+		isFixedTipOpen: false,
+		isClosing: false,
+		tipOpenImminent: false,
+		activeHover: null,
+		currentX: 0,
+		currentY: 0,
+		previousX: 0,
+		previousY: 0,
+		desyncTimeout: null,
+		mouseTrackingActive: false,
+		delayInProgress: false,
+		windowWidth: 0,
+		windowHeight: 0,
+		scrollTop: 0,
+		scrollLeft: 0
+	};
+
+	/**
+	 * Collision enumeration
+	 * @enum {number}
+	 */
+	var Collision = {
+		none: 0,
+		top: 1,
+		bottom: 2,
+		left: 4,
+		right: 8
+	};
+
+	/**
+	 * Display hover tooltips on the matched elements.
+	 * @param {(Object|string)} opts The options object to use for the plugin, or
+	 *     the name of a method to invoke on the first matched element.
+	 * @param {*=} [arg] Argument for an invoked method (optional).
+	 * @return {jQuery} jQuery object for the matched selectors.
+	 */
+	$.fn.powerTip = function(opts, arg) {
+		// don't do any work if there were no matched elements
+		if (!this.length) {
+			return this;
+		}
+
+		// handle api method calls on the plugin, e.g. powerTip('hide')
+		if ($.type(opts) === 'string' && $.powerTip[opts]) {
+			return $.powerTip[opts].call(this, this, arg);
+		}
+
+		// extend options and instantiate TooltipController
+		var options = $.extend({}, $.fn.powerTip.defaults, opts),
+			tipController = new TooltipController(options);
+
+		// hook mouse and viewport dimension tracking
+		initTracking();
+
+		// setup the elements
+		this.each(function elementSetup() {
+			var $this = $(this),
+				dataPowertip = $this.data(DATA_POWERTIP),
+				dataElem = $this.data(DATA_POWERTIPJQ),
+				dataTarget = $this.data(DATA_POWERTIPTARGET),
+				title;
+
+			// handle repeated powerTip calls on the same element by destroying the
+			// original instance hooked to it and replacing it with this call
+			if ($this.data(DATA_DISPLAYCONTROLLER)) {
+				$.powerTip.destroy($this);
+			}
+
+			// attempt to use title attribute text if there is no data-powertip,
+			// data-powertipjq or data-powertiptarget. If we do use the title
+			// attribute, delete the attribute so the browser will not show it
+			title = $this.attr('title');
+			if (!dataPowertip && !dataTarget && !dataElem && title) {
+				$this.data(DATA_POWERTIP, title);
+				$this.data(DATA_ORIGINALTITLE, title);
+				$this.removeAttr('title');
+			}
+
+			// create hover controllers for each element
+			$this.data(
+				DATA_DISPLAYCONTROLLER,
+				new DisplayController($this, options, tipController)
+			);
+		});
+
+		// attach events to matched elements if the manual options is not enabled
+		if (!options.manual) {
+			this.on({
+				// mouse events
+				'mouseenter.powertip': function elementMouseEnter(event) {
+					$.powerTip.show(this, event);
+				},
+				'mouseleave.powertip': function elementMouseLeave() {
+					$.powerTip.hide(this);
+				},
+				// keyboard events
+				'focus.powertip': function elementFocus() {
+					$.powerTip.show(this);
+				},
+				'blur.powertip': function elementBlur() {
+					$.powerTip.hide(this, true);
+				},
+				'keydown.powertip': function elementKeyDown(event) {
+					// close tooltip when the escape key is pressed
+					if (event.keyCode === 27) {
+						$.powerTip.hide(this, true);
+					}
+				}
+			});
+		}
+
+		return this;
+	};
+
+	/**
+	 * Default options for the powerTip plugin.
+	 */
+	$.fn.powerTip.defaults = {
+		fadeInTime: 200,
+		fadeOutTime: 100,
+		followMouse: false,
+		popupId: 'powerTip',
+		intentSensitivity: 7,
+		intentPollInterval: 100,
+		closeDelay: 100,
+		placement: 'n',
+		smartPlacement: false,
+		offset: 10,
+		mouseOnToPopup: false,
+		manual: false
+	};
+
+	/**
+	 * Default smart placement priority lists.
+	 * The first item in the array is the highest priority, the last is the lowest.
+	 * The last item is also the default, which will be used if all previous options
+	 * do not fit.
+	 */
+	$.fn.powerTip.smartPlacementLists = {
+		n: ['n', 'ne', 'nw', 's'],
+		e: ['e', 'ne', 'se', 'w', 'nw', 'sw', 'n', 's', 'e'],
+		s: ['s', 'se', 'sw', 'n'],
+		w: ['w', 'nw', 'sw', 'e', 'ne', 'se', 'n', 's', 'w'],
+		nw: ['nw', 'w', 'sw', 'n', 's', 'se', 'nw'],
+		ne: ['ne', 'e', 'se', 'n', 's', 'sw', 'ne'],
+		sw: ['sw', 'w', 'nw', 's', 'n', 'ne', 'sw'],
+		se: ['se', 'e', 'ne', 's', 'n', 'nw', 'se'],
+		'nw-alt': ['nw-alt', 'n', 'ne-alt', 'sw-alt', 's', 'se-alt', 'w', 'e'],
+		'ne-alt': ['ne-alt', 'n', 'nw-alt', 'se-alt', 's', 'sw-alt', 'e', 'w'],
+		'sw-alt': ['sw-alt', 's', 'se-alt', 'nw-alt', 'n', 'ne-alt', 'w', 'e'],
+		'se-alt': ['se-alt', 's', 'sw-alt', 'ne-alt', 'n', 'nw-alt', 'e', 'w']
+	};
+
+	/**
+	 * Public API
+	 */
+	$.powerTip = {
+		/**
+		 * Attempts to show the tooltip for the specified element.
+		 * @param {jQuery|Element} element The element to open the tooltip for.
+		 * @param {jQuery.Event=} event jQuery event for hover intent and mouse
+		 *     tracking (optional).
+		 */
+		show: function apiShowTip(element, event) {
+			if (event) {
+				trackMouse(event);
+				session.previousX = event.pageX;
+				session.previousY = event.pageY;
+				$(element).data(DATA_DISPLAYCONTROLLER).show();
+			} else {
+				$(element).first().data(DATA_DISPLAYCONTROLLER).show(true, true);
+			}
+			return element;
+		},
+
+		/**
+		 * Repositions the tooltip on the element.
+		 * @param {jQuery|Element} element The element the tooltip is shown for.
+		 */
+		reposition: function apiResetPosition(element) {
+			$(element).first().data(DATA_DISPLAYCONTROLLER).resetPosition();
+			return element;
+		},
+
+		/**
+		 * Attempts to close any open tooltips.
+		 * @param {(jQuery|Element)=} element The element with the tooltip that
+		 *     should be closed (optional).
+		 * @param {boolean=} immediate Disable close delay (optional).
+		 */
+		hide: function apiCloseTip(element, immediate) {
+			if (element) {
+				$(element).first().data(DATA_DISPLAYCONTROLLER).hide(immediate);
+			} else {
+				if (session.activeHover) {
+					session.activeHover.data(DATA_DISPLAYCONTROLLER).hide(true);
+				}
+			}
+			return element;
+		},
+
+		/**
+		 * Destroy and roll back any powerTip() instance on the specified element.
+		 * @param {jQuery|Element} element The element with the powerTip instance.
+		 */
+		destroy: function apiDestroy(element) {
+			$(element).off('.powertip').each(function destroy() {
+				var $this = $(this),
+					dataAttributes = [
+						DATA_ORIGINALTITLE,
+						DATA_DISPLAYCONTROLLER,
+						DATA_HASACTIVEHOVER,
+						DATA_FORCEDOPEN
+					];
+
+				if ($this.data(DATA_ORIGINALTITLE)) {
+					$this.attr('title', $this.data(DATA_ORIGINALTITLE));
+					dataAttributes.push(DATA_POWERTIP);
+				}
+
+				$this.removeData(dataAttributes);
+			});
+			return element;
+		}
+	};
+
+	// API aliasing
+	$.powerTip.showTip = $.powerTip.show;
+	$.powerTip.closeTip = $.powerTip.hide;
+
+	/**
+	 * Creates a new CSSCoordinates object.
+	 * @private
+	 * @constructor
+	 */
+	function CSSCoordinates() {
+		var me = this;
+
+		// initialize object properties
+		me.top = 'auto';
+		me.left = 'auto';
+		me.right = 'auto';
+		me.bottom = 'auto';
+
+		/**
+		 * Set a property to a value.
+		 * @private
+		 * @param {string} property The name of the property.
+		 * @param {number} value The value of the property.
+		 */
+		me.set = function(property, value) {
+			if ($.isNumeric(value)) {
+				me[property] = Math.round(value);
+			}
+		};
+	}
+
+	/**
+	 * Creates a new tooltip display controller.
+	 * @private
+	 * @constructor
+	 * @param {jQuery} element The element that this controller will handle.
+	 * @param {Object} options Options object containing settings.
+	 * @param {TooltipController} tipController The TooltipController object for
+	 *     this instance.
+	 */
+	function DisplayController(element, options, tipController) {
+		var hoverTimer = null;
+
+		/**
+		 * Begins the process of showing a tooltip.
+		 * @private
+		 * @param {boolean=} immediate Skip intent testing (optional).
+		 * @param {boolean=} forceOpen Ignore cursor position and force tooltip to
+		 *     open (optional).
+		 */
+		function openTooltip(immediate, forceOpen) {
+			cancelTimer();
+			if (!element.data(DATA_HASACTIVEHOVER)) {
+				if (!immediate) {
+					session.tipOpenImminent = true;
+					hoverTimer = setTimeout(
+						function intentDelay() {
+							hoverTimer = null;
+							checkForIntent();
+						},
+						options.intentPollInterval
+					);
+				} else {
+					if (forceOpen) {
+						element.data(DATA_FORCEDOPEN, true);
+					}
+					tipController.showTip(element);
+				}
+			}
+		}
+
+		/**
+		 * Begins the process of closing a tooltip.
+		 * @private
+		 * @param {boolean=} disableDelay Disable close delay (optional).
+		 */
+		function closeTooltip(disableDelay) {
+			cancelTimer();
+			session.tipOpenImminent = false;
+			if (element.data(DATA_HASACTIVEHOVER)) {
+				element.data(DATA_FORCEDOPEN, false);
+				if (!disableDelay) {
+					session.delayInProgress = true;
+					hoverTimer = setTimeout(
+						function closeDelay() {
+							hoverTimer = null;
+							tipController.hideTip(element);
+							session.delayInProgress = false;
+						},
+						options.closeDelay
+					);
+				} else {
+					tipController.hideTip(element);
+				}
+			}
+		}
+
+		/**
+		 * Checks mouse position to make sure that the user intended to hover on the
+		 * specified element before showing the tooltip.
+		 * @private
+		 */
+		function checkForIntent() {
+			// calculate mouse position difference
+			var xDifference = Math.abs(session.previousX - session.currentX),
+				yDifference = Math.abs(session.previousY - session.currentY),
+				totalDifference = xDifference + yDifference;
+
+			// check if difference has passed the sensitivity threshold
+			if (totalDifference < options.intentSensitivity) {
+				tipController.showTip(element);
+			} else {
+				// try again
+				session.previousX = session.currentX;
+				session.previousY = session.currentY;
+				openTooltip();
+			}
+		}
+
+		/**
+		 * Cancels active hover timer.
+		 * @private
+		 */
+		function cancelTimer() {
+			hoverTimer = clearTimeout(hoverTimer);
+			session.delayInProgress = false;
+		}
+
+		/**
+		 * Repositions the tooltip on this element.
+		 * @private
+		 */
+		function repositionTooltip() {
+			tipController.resetPosition(element);
+		}
+
+		// expose the methods
+		this.show = openTooltip;
+		this.hide = closeTooltip;
+		this.cancel = cancelTimer;
+		this.resetPosition = repositionTooltip;
+	}
+
+	/**
+	 * Creates a new Placement Calculator.
+	 * @private
+	 * @constructor
+	 */
+	function PlacementCalculator() {
+		/**
+		 * Compute the CSS position to display a tooltip at the specified placement
+		 * relative to the specified element.
+		 * @private
+		 * @param {jQuery} element The element that the tooltip should target.
+		 * @param {string} placement The placement for the tooltip.
+		 * @param {number} tipWidth Width of the tooltip element in pixels.
+		 * @param {number} tipHeight Height of the tooltip element in pixels.
+		 * @param {number} offset Distance to offset tooltips in pixels.
+		 * @return {CSSCoordinates} A CSSCoordinates object with the position.
+		 */
+		function computePlacementCoords(element, placement, tipWidth, tipHeight, offset) {
+			var placementBase = placement.split('-')[0], // ignore 'alt' for corners
+				coords = new CSSCoordinates(),
+				position;
+
+			if (isSvgElement(element)) {
+				position = getSvgPlacement(element, placementBase);
+			} else {
+				position = getHtmlPlacement(element, placementBase);
+			}
+
+			// calculate the appropriate x and y position in the document
+			switch (placement) {
+			case 'n':
+				coords.set('left', position.left - (tipWidth / 2));
+				coords.set('bottom', session.windowHeight - position.top + offset);
+				break;
+			case 'e':
+				coords.set('left', position.left + offset);
+				coords.set('top', position.top - (tipHeight / 2));
+				break;
+			case 's':
+				coords.set('left', position.left - (tipWidth / 2));
+				coords.set('top', position.top + offset);
+				break;
+			case 'w':
+				coords.set('top', position.top - (tipHeight / 2));
+				coords.set('right', session.windowWidth - position.left + offset);
+				break;
+			case 'nw':
+				coords.set('bottom', session.windowHeight - position.top + offset);
+				coords.set('right', session.windowWidth - position.left - 20);
+				break;
+			case 'nw-alt':
+				coords.set('left', position.left);
+				coords.set('bottom', session.windowHeight - position.top + offset);
+				break;
+			case 'ne':
+				coords.set('left', position.left - 20);
+				coords.set('bottom', session.windowHeight - position.top + offset);
+				break;
+			case 'ne-alt':
+				coords.set('bottom', session.windowHeight - position.top + offset);
+				coords.set('right', session.windowWidth - position.left);
+				break;
+			case 'sw':
+				coords.set('top', position.top + offset);
+				coords.set('right', session.windowWidth - position.left - 20);
+				break;
+			case 'sw-alt':
+				coords.set('left', position.left);
+				coords.set('top', position.top + offset);
+				break;
+			case 'se':
+				coords.set('left', position.left - 20);
+				coords.set('top', position.top + offset);
+				break;
+			case 'se-alt':
+				coords.set('top', position.top + offset);
+				coords.set('right', session.windowWidth - position.left);
+				break;
+			}
+
+			return coords;
+		}
+
+		/**
+		 * Finds the tooltip attachment point in the document for a HTML DOM element
+		 * for the specified placement.
+		 * @private
+		 * @param {jQuery} element The element that the tooltip should target.
+		 * @param {string} placement The placement for the tooltip.
+		 * @return {Object} An object with the top,left position values.
+		 */
+		function getHtmlPlacement(element, placement) {
+			var objectOffset = element.offset(),
+				objectWidth = element.outerWidth(),
+				objectHeight = element.outerHeight(),
+				left,
+				top;
+
+			// calculate the appropriate x and y position in the document
+			switch (placement) {
+			case 'n':
+				left = objectOffset.left + objectWidth / 2;
+				top = objectOffset.top;
+				break;
+			case 'e':
+				left = objectOffset.left + objectWidth;
+				top = objectOffset.top + objectHeight / 2;
+				break;
+			case 's':
+				left = objectOffset.left + objectWidth / 2;
+				top = objectOffset.top + objectHeight;
+				break;
+			case 'w':
+				left = objectOffset.left;
+				top = objectOffset.top + objectHeight / 2;
+				break;
+			case 'nw':
+				left = objectOffset.left;
+				top = objectOffset.top;
+				break;
+			case 'ne':
+				left = objectOffset.left + objectWidth;
+				top = objectOffset.top;
+				break;
+			case 'sw':
+				left = objectOffset.left;
+				top = objectOffset.top + objectHeight;
+				break;
+			case 'se':
+				left = objectOffset.left + objectWidth;
+				top = objectOffset.top + objectHeight;
+				break;
+			}
+
+			return {
+				top: top,
+				left: left
+			};
+		}
+
+		/**
+		 * Finds the tooltip attachment point in the document for a SVG element for
+		 * the specified placement.
+		 * @private
+		 * @param {jQuery} element The element that the tooltip should target.
+		 * @param {string} placement The placement for the tooltip.
+		 * @return {Object} An object with the top,left position values.
+		 */
+		function getSvgPlacement(element, placement) {
+			var svgElement = element.closest('svg')[0],
+				domElement = element[0],
+				point = svgElement.createSVGPoint(),
+				boundingBox = domElement.getBBox(),
+				matrix = domElement.getScreenCTM(),
+				halfWidth = boundingBox.width / 2,
+				halfHeight = boundingBox.height / 2,
+				placements = [],
+				placementKeys = ['nw', 'n', 'ne', 'e', 'se', 's', 'sw', 'w'],
+				coords,
+				rotation,
+				steps,
+				x;
+
+			function pushPlacement() {
+				placements.push(point.matrixTransform(matrix));
+			}
+
+			// get bounding box corners and midpoints
+			point.x = boundingBox.x;
+			point.y = boundingBox.y;
+			pushPlacement();
+			point.x += halfWidth;
+			pushPlacement();
+			point.x += halfWidth;
+			pushPlacement();
+			point.y += halfHeight;
+			pushPlacement();
+			point.y += halfHeight;
+			pushPlacement();
+			point.x -= halfWidth;
+			pushPlacement();
+			point.x -= halfWidth;
+			pushPlacement();
+			point.y -= halfHeight;
+			pushPlacement();
+
+			// determine rotation
+			if (placements[0].y !== placements[1].y || placements[0].x !== placements[7].x) {
+				rotation = Math.atan2(matrix.b, matrix.a) * RAD2DEG;
+				steps = Math.ceil(((rotation % 360) - 22.5) / 45);
+				if (steps < 1) {
+					steps += 8;
+				}
+				while (steps--) {
+					placementKeys.push(placementKeys.shift());
+				}
+			}
+
+			// find placement
+			for (x = 0; x < placements.length; x++) {
+				if (placementKeys[x] === placement) {
+					coords = placements[x];
+					break;
+				}
+			}
+
+			return {
+				top: coords.y + session.scrollTop,
+				left: coords.x + session.scrollLeft
+			};
+		}
+
+		// expose methods
+		this.compute = computePlacementCoords;
+	}
+
+	/**
+	 * Creates a new tooltip controller.
+	 * @private
+	 * @constructor
+	 * @param {Object} options Options object containing settings.
+	 */
+	function TooltipController(options) {
+		var placementCalculator = new PlacementCalculator(),
+			tipElement = $('#' + options.popupId);
+
+		// build and append tooltip div if it does not already exist
+		if (tipElement.length === 0) {
+			tipElement = $('<div/>', { id: options.popupId });
+			// grab body element if it was not populated when the script loaded
+			// note: this hack exists solely for jsfiddle support
+			if ($body.length === 0) {
+				$body = $('body');
+			}
+			$body.append(tipElement);
+		}
+
+		// hook mousemove for cursor follow tooltips
+		if (options.followMouse) {
+			// only one positionTipOnCursor hook per tooltip element, please
+			if (!tipElement.data(DATA_HASMOUSEMOVE)) {
+				$document.on('mousemove', positionTipOnCursor);
+				$window.on('scroll', positionTipOnCursor);
+				tipElement.data(DATA_HASMOUSEMOVE, true);
+			}
+		}
+
+		// if we want to be able to mouse onto the tooltip then we need to attach
+		// hover events to the tooltip that will cancel a close request on hover and
+		// start a new close request on mouseleave
+		if (options.mouseOnToPopup) {
+			tipElement.on({
+				mouseenter: function tipMouseEnter() {
+					// we only let the mouse stay on the tooltip if it is set to let
+					// users interact with it
+					if (tipElement.data(DATA_MOUSEONTOTIP)) {
+						// check activeHover in case the mouse cursor entered the
+						// tooltip during the fadeOut and close cycle
+						if (session.activeHover) {
+							session.activeHover.data(DATA_DISPLAYCONTROLLER).cancel();
+						}
+					}
+				},
+				mouseleave: function tipMouseLeave() {
+					// check activeHover in case the mouse cursor entered the
+					// tooltip during the fadeOut and close cycle
+					if (session.activeHover) {
+						session.activeHover.data(DATA_DISPLAYCONTROLLER).hide();
+					}
+				}
+			});
+		}
+
+		/**
+		 * Gives the specified element the active-hover state and queues up the
+		 * showTip function.
+		 * @private
+		 * @param {jQuery} element The element that the tooltip should target.
+		 */
+		function beginShowTip(element) {
+			element.data(DATA_HASACTIVEHOVER, true);
+			// show tooltip, asap
+			tipElement.queue(function queueTipInit(next) {
+				showTip(element);
+				next();
+			});
+		}
+
+		/**
+		 * Shows the tooltip, as soon as possible.
+		 * @private
+		 * @param {jQuery} element The element that the tooltip should target.
+		 */
+		function showTip(element) {
+			var tipContent;
+
+			// it is possible, especially with keyboard navigation, to move on to
+			// another element with a tooltip during the queue to get to this point
+			// in the code. if that happens then we need to not proceed or we may
+			// have the fadeout callback for the last tooltip execute immediately
+			// after this code runs, causing bugs.
+			if (!element.data(DATA_HASACTIVEHOVER)) {
+				return;
+			}
+
+			// if the tooltip is open and we got asked to open another one then the
+			// old one is still in its fadeOut cycle, so wait and try again
+			if (session.isTipOpen) {
+				if (!session.isClosing) {
+					hideTip(session.activeHover);
+				}
+				tipElement.delay(100).queue(function queueTipAgain(next) {
+					showTip(element);
+					next();
+				});
+				return;
+			}
+
+			// trigger powerTipPreRender event
+			element.trigger('powerTipPreRender');
+
+			// set tooltip content
+			tipContent = getTooltipContent(element);
+			if (tipContent) {
+				tipElement.empty().append(tipContent);
+			} else {
+				// we have no content to display, give up
+				return;
+			}
+
+			// trigger powerTipRender event
+			element.trigger('powerTipRender');
+
+			session.activeHover = element;
+			session.isTipOpen = true;
+
+			tipElement.data(DATA_MOUSEONTOTIP, options.mouseOnToPopup);
+
+			// set tooltip position
+			if (!options.followMouse) {
+				positionTipOnElement(element);
+				session.isFixedTipOpen = true;
+			} else {
+				positionTipOnCursor();
+			}
+
+			// fadein
+			tipElement.fadeIn(options.fadeInTime, function fadeInCallback() {
+				// start desync polling
+				if (!session.desyncTimeout) {
+					session.desyncTimeout = setInterval(closeDesyncedTip, 500);
+				}
+
+				// trigger powerTipOpen event
+				element.trigger('powerTipOpen');
+			});
+		}
+
+		/**
+		 * Hides the tooltip.
+		 * @private
+		 * @param {jQuery} element The element that the tooltip should target.
+		 */
+		function hideTip(element) {
+			// reset session
+			session.isClosing = true;
+			session.activeHover = null;
+			session.isTipOpen = false;
+
+			// stop desync polling
+			session.desyncTimeout = clearInterval(session.desyncTimeout);
+
+			// reset element state
+			element.data(DATA_HASACTIVEHOVER, false);
+			element.data(DATA_FORCEDOPEN, false);
+
+			// fade out
+			tipElement.fadeOut(options.fadeOutTime, function fadeOutCallback() {
+				var coords = new CSSCoordinates();
+
+				// reset session and tooltip element
+				session.isClosing = false;
+				session.isFixedTipOpen = false;
+				tipElement.removeClass();
+
+				// support mouse-follow and fixed position tips at the same time by
+				// moving the tooltip to the last cursor location after it is hidden
+				coords.set('top', session.currentY + options.offset);
+				coords.set('left', session.currentX + options.offset);
+				tipElement.css(coords);
+
+				// trigger powerTipClose event
+				element.trigger('powerTipClose');
+			});
+		}
+
+		/**
+		 * Moves the tooltip to the users mouse cursor.
+		 * @private
+		 */
+		function positionTipOnCursor() {
+			// to support having fixed tooltips on the same page as cursor tooltips,
+			// where both instances are referencing the same tooltip element, we
+			// need to keep track of the mouse position constantly, but we should
+			// only set the tip location if a fixed tip is not currently open, a tip
+			// open is imminent or active, and the tooltip element in question does
+			// have a mouse-follow using it.
+			if (!session.isFixedTipOpen && (session.isTipOpen || (session.tipOpenImminent && tipElement.data(DATA_HASMOUSEMOVE)))) {
+				// grab measurements
+				var tipWidth = tipElement.outerWidth(),
+					tipHeight = tipElement.outerHeight(),
+					coords = new CSSCoordinates(),
+					collisions,
+					collisionCount;
+
+				// grab collisions
+				coords.set('top', session.currentY + options.offset);
+				coords.set('left', session.currentX + options.offset);
+				collisions = getViewportCollisions(
+					coords,
+					tipWidth,
+					tipHeight
+				);
+
+				// handle tooltip view port collisions
+				if (collisions !== Collision.none) {
+					collisionCount = countFlags(collisions);
+					if (collisionCount === 1) {
+						// if there is only one collision (bottom or right) then
+						// simply constrain the tooltip to the view port
+						if (collisions === Collision.right) {
+							coords.set('left', session.windowWidth - tipWidth);
+						} else if (collisions === Collision.bottom) {
+							coords.set('top', session.scrollTop + session.windowHeight - tipHeight);
+						}
+					} else {
+						// if the tooltip has more than one collision then it is
+						// trapped in the corner and should be flipped to get it out
+						// of the users way
+						coords.set('left', session.currentX - tipWidth - options.offset);
+						coords.set('top', session.currentY - tipHeight - options.offset);
+					}
+				}
+
+				// position the tooltip
+				tipElement.css(coords);
+			}
+		}
+
+		/**
+		 * Sets the tooltip to the correct position relative to the specified target
+		 * element. Based on options settings.
+		 * @private
+		 * @param {jQuery} element The element that the tooltip should target.
+		 */
+		function positionTipOnElement(element) {
+			var priorityList,
+				finalPlacement;
+
+			if (options.smartPlacement) {
+				priorityList = $.fn.powerTip.smartPlacementLists[options.placement];
+
+				// iterate over the priority list and use the first placement option
+				// that does not collide with the view port. if they all collide
+				// then the last placement in the list will be used.
+				$.each(priorityList, function(idx, pos) {
+					// place tooltip and find collisions
+					var collisions = getViewportCollisions(
+						placeTooltip(element, pos),
+						tipElement.outerWidth(),
+						tipElement.outerHeight()
+					);
+
+					// update the final placement variable
+					finalPlacement = pos;
+
+					// break if there were no collisions
+					if (collisions === Collision.none) {
+						return false;
+					}
+				});
+			} else {
+				// if we're not going to use the smart placement feature then just
+				// compute the coordinates and do it
+				placeTooltip(element, options.placement);
+				finalPlacement = options.placement;
+			}
+
+			// add placement as class for CSS arrows
+			tipElement.addClass(finalPlacement);
+		}
+
+		/**
+		 * Sets the tooltip position to the appropriate values to show the tip at
+		 * the specified placement. This function will iterate and test the tooltip
+		 * to support elastic tooltips.
+		 * @private
+		 * @param {jQuery} element The element that the tooltip should target.
+		 * @param {string} placement The placement for the tooltip.
+		 * @return {CSSCoordinates} A CSSCoordinates object with the top, left, and
+		 *     right position values.
+		 */
+		function placeTooltip(element, placement) {
+			var iterationCount = 0,
+				tipWidth,
+				tipHeight,
+				coords = new CSSCoordinates();
+
+			// set the tip to 0,0 to get the full expanded width
+			coords.set('top', 0);
+			coords.set('left', 0);
+			tipElement.css(coords);
+
+			// to support elastic tooltips we need to check for a change in the
+			// rendered dimensions after the tooltip has been positioned
+			do {
+				// grab the current tip dimensions
+				tipWidth = tipElement.outerWidth();
+				tipHeight = tipElement.outerHeight();
+
+				// get placement coordinates
+				coords = placementCalculator.compute(
+					element,
+					placement,
+					tipWidth,
+					tipHeight,
+					options.offset
+				);
+
+				// place the tooltip
+				tipElement.css(coords);
+			} while (
+				// sanity check: limit to 5 iterations, and...
+				++iterationCount <= 5 &&
+				// try again if the dimensions changed after placement
+				(tipWidth !== tipElement.outerWidth() || tipHeight !== tipElement.outerHeight())
+			);
+
+			return coords;
+		}
+
+		/**
+		 * Checks for a tooltip desync and closes the tooltip if one occurs.
+		 * @private
+		 */
+		function closeDesyncedTip() {
+			var isDesynced = false;
+			// It is possible for the mouse cursor to leave an element without
+			// firing the mouseleave or blur event. This most commonly happens when
+			// the element is disabled under mouse cursor. If this happens it will
+			// result in a desynced tooltip because the tooltip was never asked to
+			// close. So we should periodically check for a desync situation and
+			// close the tip if such a situation arises.
+			if (session.isTipOpen && !session.isClosing && !session.delayInProgress) {
+				// user moused onto another tip or active hover is disabled
+				if (session.activeHover.data(DATA_HASACTIVEHOVER) === false || session.activeHover.is(':disabled')) {
+					isDesynced = true;
+				} else {
+					// hanging tip - have to test if mouse position is not over the
+					// active hover and not over a tooltip set to let the user
+					// interact with it.
+					// for keyboard navigation: this only counts if the element does
+					// not have focus.
+					// for tooltips opened via the api: we need to check if it has
+					// the forcedOpen flag.
+					if (!isMouseOver(session.activeHover) && !session.activeHover.is(':focus') && !session.activeHover.data(DATA_FORCEDOPEN)) {
+						if (tipElement.data(DATA_MOUSEONTOTIP)) {
+							if (!isMouseOver(tipElement)) {
+								isDesynced = true;
+							}
+						} else {
+							isDesynced = true;
+						}
+					}
+				}
+
+				if (isDesynced) {
+					// close the desynced tip
+					hideTip(session.activeHover);
+				}
+			}
+		}
+
+		// expose methods
+		this.showTip = beginShowTip;
+		this.hideTip = hideTip;
+		this.resetPosition = positionTipOnElement;
+	}
+
+	/**
+	 * Determine whether a jQuery object is an SVG element
+	 * @private
+	 * @param {jQuery} element The element to check
+	 * @return {boolean} Whether this is an SVG element
+	 */
+	function isSvgElement(element) {
+		return window.SVGElement && element[0] instanceof SVGElement;
+	}
+
+	/**
+	 * Initializes the viewport dimension cache and hooks up the mouse position
+	 * tracking and viewport dimension tracking events.
+	 * Prevents attaching the events more than once.
+	 * @private
+	 */
+	function initTracking() {
+		if (!session.mouseTrackingActive) {
+			session.mouseTrackingActive = true;
+
+			// grab the current viewport dimensions on load
+			$(function getViewportDimensions() {
+				session.scrollLeft = $window.scrollLeft();
+				session.scrollTop = $window.scrollTop();
+				session.windowWidth = $window.width();
+				session.windowHeight = $window.height();
+			});
+
+			// hook mouse move tracking
+			$document.on('mousemove', trackMouse);
+
+			// hook viewport dimensions tracking
+			$window.on({
+				resize: function trackResize() {
+					session.windowWidth = $window.width();
+					session.windowHeight = $window.height();
+				},
+				scroll: function trackScroll() {
+					var x = $window.scrollLeft(),
+						y = $window.scrollTop();
+					if (x !== session.scrollLeft) {
+						session.currentX += x - session.scrollLeft;
+						session.scrollLeft = x;
+					}
+					if (y !== session.scrollTop) {
+						session.currentY += y - session.scrollTop;
+						session.scrollTop = y;
+					}
+				}
+			});
+		}
+	}
+
+	/**
+	 * Saves the current mouse coordinates to the session object.
+	 * @private
+	 * @param {jQuery.Event} event The mousemove event for the document.
+	 */
+	function trackMouse(event) {
+		session.currentX = event.pageX;
+		session.currentY = event.pageY;
+	}
+
+	/**
+	 * Tests if the mouse is currently over the specified element.
+	 * @private
+	 * @param {jQuery} element The element to check for hover.
+	 * @return {boolean}
+	 */
+	function isMouseOver(element) {
+		// use getBoundingClientRect() because jQuery's width() and height()
+		// methods do not work with SVG elements
+		// compute width/height because those properties do not exist on the object
+		// returned by getBoundingClientRect() in older versions of IE
+		var elementPosition = element.offset(),
+			elementBox = element[0].getBoundingClientRect(),
+			elementWidth = elementBox.right - elementBox.left,
+			elementHeight = elementBox.bottom - elementBox.top;
+
+		return session.currentX >= elementPosition.left &&
+			session.currentX <= elementPosition.left + elementWidth &&
+			session.currentY >= elementPosition.top &&
+			session.currentY <= elementPosition.top + elementHeight;
+	}
+
+	/**
+	 * Fetches the tooltip content from the specified element's data attributes.
+	 * @private
+	 * @param {jQuery} element The element to get the tooltip content for.
+	 * @return {(string|jQuery|undefined)} The text/HTML string, jQuery object, or
+	 *     undefined if there was no tooltip content for the element.
+	 */
+	function getTooltipContent(element) {
+		var tipText = element.data(DATA_POWERTIP),
+			tipObject = element.data(DATA_POWERTIPJQ),
+			tipTarget = element.data(DATA_POWERTIPTARGET),
+			targetElement,
+			content;
+
+		if (tipText) {
+			if ($.isFunction(tipText)) {
+				tipText = tipText.call(element[0]);
+			}
+			content = tipText;
+		} else if (tipObject) {
+			if ($.isFunction(tipObject)) {
+				tipObject = tipObject.call(element[0]);
+			}
+			if (tipObject.length > 0) {
+				content = tipObject.clone(true, true);
+			}
+		} else if (tipTarget) {
+			targetElement = $('#' + tipTarget);
+			if (targetElement.length > 0) {
+				content = targetElement.html();
+			}
+		}
+
+		return content;
+	}
+
+	/**
+	 * Finds any viewport collisions that an element (the tooltip) would have if it
+	 * were absolutely positioned at the specified coordinates.
+	 * @private
+	 * @param {CSSCoordinates} coords Coordinates for the element.
+	 * @param {number} elementWidth Width of the element in pixels.
+	 * @param {number} elementHeight Height of the element in pixels.
+	 * @return {number} Value with the collision flags.
+	 */
+	function getViewportCollisions(coords, elementWidth, elementHeight) {
+		var viewportTop = session.scrollTop,
+			viewportLeft =  session.scrollLeft,
+			viewportBottom = viewportTop + session.windowHeight,
+			viewportRight = viewportLeft + session.windowWidth,
+			collisions = Collision.none;
+
+		if (coords.top < viewportTop || Math.abs(coords.bottom - session.windowHeight) - elementHeight < viewportTop) {
+			collisions |= Collision.top;
+		}
+		if (coords.top + elementHeight > viewportBottom || Math.abs(coords.bottom - session.windowHeight) > viewportBottom) {
+			collisions |= Collision.bottom;
+		}
+		if (coords.left < viewportLeft || coords.right + elementWidth > viewportRight) {
+			collisions |= Collision.left;
+		}
+		if (coords.left + elementWidth > viewportRight || coords.right < viewportLeft) {
+			collisions |= Collision.right;
+		}
+
+		return collisions;
+	}
+
+	/**
+	 * Counts the number of bits set on a flags value.
+	 * @param {number} value The flags value.
+	 * @return {number} The number of bits that have been set.
+	 */
+	function countFlags(value) {
+		var count = 0;
+		while (value) {
+			value &= value - 1;
+			count++;
+		}
+		return count;
+	}
+
+}));

qtools/Doxyfile

-# Doxyfile 1.8.3.1
+# Doxyfile 1.8.4
 
 #---------------------------------------------------------------------------
 # Project related configuration options
@@ -124,6 +124,7 @@ STRIP_CODE_COMMENTS    = YES
 REFERENCED_BY_RELATION = YES
 REFERENCES_RELATION    = YES
 REFERENCES_LINK_SOURCE = YES
+SOURCE_TOOLTIPS        = YES
 USE_HTAGS              = NO
 VERBATIM_HEADERS       = YES
 CLANG_ASSISTED_PARSING = YES

src/clangparser.cpp

@@ -17,6 +17,7 @@
 #include "growbuf.h"
 #include "membername.h"
 #include "filename.h"
+#include "tooltip.h"
 
 static Definition *g_currentDefinition=0;
 static MemberDef  *g_currentMemberDef=0;
@@ -611,10 +612,19 @@ static void codifyLines(CodeOutputInterface &ol,FileDef *fd,const char *text,
 
 static void writeMultiLineCodeLink(CodeOutputInterface &ol,
                   FileDef *fd,uint &line,uint &column,
-                  const char *ref,const char *file,
-                  const char *anchor,const char *text,
-		  const char *tooltip)
+                  Definition *d,
+                  const char *text)
 {
+  static bool sourceTooltips = Config_getBool("SOURCE_TOOLTIPS");
+  TooltipManager::instance()->addTooltip(d);
+  QCString ref  = d->getReference();
+  QCString file = d->getOutputFileBase();
+  QCString anchor = d->anchor();
+  QCString tooltip;
+  if (!sourceTooltips) // fall back to simple "title" tooltips
+  {
+   tooltip = d->briefDescriptionAsTooltip();
+  }
   bool done=FALSE;
   char *p=(char *)text;
   while (!done)
@@ -685,14 +695,7 @@ void ClangParser::linkMacro(CodeOutputInterface &ol,FileDef *fd,
     {
       if (md->isDefine())
       {
-        writeMultiLineCodeLink(ol,
-            fd,line,column,
-            md->getReference(),
-            md->getOutputFileBase(),
-            md->anchor(),
-            text,
-            md->briefDescriptionAsTooltip()
-            );
+        writeMultiLineCodeLink(ol,fd,line,column,md,text);
         return;
       }
     }
@@ -738,14 +741,7 @@ void ClangParser::linkIdentifier(CodeOutputInterface &ol,FileDef *fd,
     {
       addDocCrossReference(g_currentMemberDef,(MemberDef*)d);
     }
-    writeMultiLineCodeLink(ol,
-        fd,line,column,
-        d->getReference(),
-        d->getOutputFileBase(),
-        d->anchor(),
-        text,
-        d->briefDescriptionAsTooltip()
-        );
+    writeMultiLineCodeLink(ol,fd,line,column,d,text);
   }
   else
   {
@@ -786,6 +782,7 @@ static void detectFunctionBody(const char *s)
 
 void ClangParser::writeSources(CodeOutputInterface &ol,FileDef *fd)
 {
+  TooltipManager::instance()->clearTooltips();
   // (re)set global parser state
   g_currentDefinition=0;
   g_currentMemberDef=0;
@@ -894,6 +891,7 @@ void ClangParser::writeSources(CodeOutputInterface &ol,FileDef *fd)
     clang_disposeString(tokenString);
   }
   ol.endCodeLine();
+  TooltipManager::instance()->writeTooltips(ol);
 }
 
 ClangParser::ClangParser()

src/classdef.cpp

@@ -3457,7 +3457,7 @@ QCString ClassDef::getSourceFileBase() const
   }
   else
   {
-    return convertNameToFile(m_impl->fileName)+"_source"; 
+    return Definition::getSourceFileBase();
   }
 }
 

src/code.l

@@ -40,6 +40,7 @@
 #include "filedef.h"
 #include "filename.h"
 #include "namespacedef.h"
+#include "tooltip.h"
 
 // Toggle for some debugging info
 //#define DBG_CTX(x) fprintf x
@@ -597,10 +598,19 @@ static void codifyLines(const char *text)
  * split into multiple links with the same destination, one for each line.
  */
 static void writeMultiLineCodeLink(CodeOutputInterface &ol,
-                  const char *ref,const char *file,
-                  const char *anchor,const char *text,
-		  const char *tooltip)
+                                   Definition *d,
+                                   const char *text)
 {
+  static bool sourceTooltips = Config_getBool("SOURCE_TOOLTIPS");
+  TooltipManager::instance()->addTooltip(d);
+  QCString ref  = d->getReference();
+  QCString file = d->getOutputFileBase();
+  QCString anchor = d->anchor();
+  QCString tooltip; 
+  if (!sourceTooltips) // fall back to simple "title" tooltips
+  {
+    tooltip = d->briefDescriptionAsTooltip();
+  }
   bool done=FALSE;
   char *p=(char *)text;
   while (!done)
@@ -881,11 +891,7 @@ static bool getLinkInScope(const QCString &c,  // scope
       }
       //printf("d->getReference()=`%s' d->getOutputBase()=`%s' name=`%s' member name=`%s'\n",d->getReference().data(),d->getOutputFileBase().data(),d->name().data(),md->name().data());
      
-      writeMultiLineCodeLink(ol,md->getReference(),
-	                        md->getOutputFileBase(),
-	                        md->anchor(),
-				text ? text : memberText,
-				md->briefDescriptionAsTooltip());
+      writeMultiLineCodeLink(ol,md, text ? text : memberText);
       addToSearchIndex(text ? text : memberText);
       return TRUE;
     } 
@@ -1004,7 +1010,7 @@ static void generateClassOrGlobalLink(CodeOutputInterface &ol,const char *clName
 	g_anchorCount++;
       }
     }
-    writeMultiLineCodeLink(ol,cd->getReference(),cd->getOutputFileBase(),cd->anchor(),clName,cd->briefDescriptionAsTooltip());
+    writeMultiLineCodeLink(ol,cd,clName);
     addToSearchIndex(className);
     g_theCallContext.setClass(cd);
     if (md)
@@ -1063,7 +1069,7 @@ static void generateClassOrGlobalLink(CodeOutputInterface &ol,const char *clName
 	  {
 	    text=clName;
 	  }
-	  writeMultiLineCodeLink(ol,md->getReference(),md->getOutputFileBase(),md->anchor(),text,md->briefDescriptionAsTooltip());
+	  writeMultiLineCodeLink(ol,md,text);
           addToSearchIndex(clName);
 	  if (g_currentMemberDef)
 	  {
@@ -1127,8 +1133,7 @@ static bool generateClassMemberLink(CodeOutputInterface &ol,MemberDef *xmd,const
       }
 
       // write the actual link
-      writeMultiLineCodeLink(ol,xmd->getReference(),
-	  xmd->getOutputFileBase(),xmd->anchor(),memName,xmd->briefDescriptionAsTooltip());
+      writeMultiLineCodeLink(ol,xmd,memName);
       addToSearchIndex(memName);
       return TRUE;
     }
@@ -1498,12 +1503,7 @@ static void writeObjCMethodCall(ObjCCallCtx *ctx)
 	  {
 	    if (ctx->method && ctx->method->isLinkable())
 	    {
-              writeMultiLineCodeLink(*g_code,
-		                     ctx->method->getReference(),
-	                             ctx->method->getOutputFileBase(),
-	                             ctx->method->anchor(),
-				     pName->data(),
-				     ctx->method->briefDescriptionAsTooltip());
+              writeMultiLineCodeLink(*g_code,ctx->method,pName->data());
 	      if (g_currentMemberDef)
 	      {
 	        addDocCrossReference(g_currentMemberDef,ctx->method);
@@ -1582,12 +1582,7 @@ static void writeObjCMethodCall(ObjCCallCtx *ctx)
 	    }
 	    else if (ctx->objectVar && ctx->objectVar->isLinkable()) // object is class variable
 	    {
-	      writeMultiLineCodeLink(*g_code,
-		    ctx->objectVar->getReference(),
-		    ctx->objectVar->getOutputFileBase(),
-		    ctx->objectVar->anchor(),
-		    pObject->data(),
-		    ctx->objectVar->briefDescriptionAsTooltip());
+	      writeMultiLineCodeLink(*g_code,ctx->objectVar,pObject->data());
 	      if (g_currentMemberDef)
 	      {
 	        addDocCrossReference(g_currentMemberDef,ctx->objectVar);
@@ -1599,12 +1594,7 @@ static void writeObjCMethodCall(ObjCCallCtx *ctx)
 		    ) // object is class name
 	    {
 	      ClassDef *cd = ctx->objectType;
-	      writeMultiLineCodeLink(*g_code,
-		    cd->getReference(),
-		    cd->getOutputFileBase(),
-		    cd->anchor(),
-		    pObject->data(),
-		    cd->briefDescriptionAsTooltip());
+	      writeMultiLineCodeLink(*g_code,cd,pObject->data());
 	    }
 	    else // object still needs to be resolved
 	    {
@@ -1613,12 +1603,7 @@ static void writeObjCMethodCall(ObjCCallCtx *ctx)
 	      if (cd && cd->isLinkable())
 	      {
 		if (ctx->objectType==0) ctx->objectType=cd;
-	   	writeMultiLineCodeLink(*g_code,
-		    cd->getReference(),
-		    cd->getOutputFileBase(),
-		    cd->anchor(),
-		    pObject->data(),
-		    cd->briefDescriptionAsTooltip());
+	   	writeMultiLineCodeLink(*g_code,cd,pObject->data());
 	      }
 	      else
 	      {
@@ -1978,7 +1963,7 @@ RAWEND    ")"[^ \t\(\)\\]{0,16}\"
 					  //printf("      include file %s found=%d\n",fd ? fd->absFilePath().data() : "<none>",found);
 					  if (found)
 					  {
-					    g_code->writeCodeLink(fd->getReference(),fd->getOutputFileBase(),0,yytext,fd->briefDescriptionAsTooltip());
+	   	                            writeMultiLineCodeLink(*g_code,fd,yytext);
 					  }
 					  else
 					  {
@@ -3559,6 +3544,7 @@ void parseCCode(CodeOutputInterface &od,const char *className,const QCString &s,
   //printf("***parseCode() exBlock=%d exName=%s fd=%p className=%s searchCtx=%s\n",
   //      exBlock,exName,fd,className,searchCtx?searchCtx->name().data():"<none>");
   if (s.isEmpty()) return;
+  TooltipManager::instance()->clearTooltips();
   if (g_codeClassSDict==0)
   {
     resetCCodeParserState();
@@ -3637,6 +3623,10 @@ void parseCCode(CodeOutputInterface &od,const char *className,const QCString &s,
     DBG_CTX((stderr,"endCodeLine(%d)\n",g_yyLineNr));
     g_code->endCodeLine();
   }
+  if (fd)
+  {
+    TooltipManager::instance()->writeTooltips(*g_code);
+  }
   if (cleanupSourceDef)
   {
     // delete the temporary file definition used for this example

src/config.xml

@@ -786,6 +786,13 @@ and SOURCE_BROWSER tag is set to YES, then the hyperlinks from
 functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will 
 link to the source code.  Otherwise they will link to the documentation. 
 ' defval='1'/>
+    <option type='bool' id='SOURCE_TOOLTIPS' docs='
+If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the 
+source code will show a tooltip with additional information such as prototype, 
+brief description and links to the definition and documentation. Since this will 
+make the HTML file larger and loading of large files a bit slower, you can opt 
+to disable this feature. 
+' defval='1' depends='SOURCE_BROWSER'/>
     <option type='bool' id='USE_HTAGS' docs='
 If the USE_HTAGS tag is set to YES then the references to source code 
 will point to the HTML generated by the htags(1) tool instead of doxygen 

src/definition.cpp

@@ -867,24 +867,53 @@ bool readCodeFragment(const char *fileName,
   return found;
 }
 
+QCString Definition::getSourceFileBase() const
+{ 
+  ASSERT(definitionType()!=Definition::TypeFile); // file overloads this method
+  QCString fn;
+  static bool sourceBrowser = Config_getBool("SOURCE_BROWSER");
+  if (sourceBrowser && 
+      m_impl->body && m_impl->body->startLine!=-1 && m_impl->body->fileDef)
+  {
+    fn = m_impl->body->fileDef->getSourceFileBase();
+  }
+  return fn;
+}
+
+QCString Definition::getSourceAnchor() const
+{
+  QCString anchorStr;
+  if (m_impl->body && m_impl->body->startLine!=-1)
+  {
+    if (Htags::useHtags)
+    {
+      anchorStr.sprintf("L%d",m_impl->body->startLine);
+    }
+    else
+    {
+      anchorStr.sprintf("l%05d",m_impl->body->startLine);
+    }
+  }
+  return anchorStr;
+}
+
 /*! Write a reference to the source code defining this definition */
 void Definition::writeSourceDef(OutputList &ol,const char *)
 {
-  static bool sourceBrowser = Config_getBool("SOURCE_BROWSER");
   static bool latexSourceCode = Config_getBool("LATEX_SOURCE_CODE");
   ol.pushGeneratorState();
   //printf("Definition::writeSourceRef %d %p\n",bodyLine,bodyDef);
-  if (sourceBrowser && 
-      m_impl->body && m_impl->body->startLine!=-1 && m_impl->body->fileDef)
+  QCString fn = getSourceFileBase();
+  if (!fn.isEmpty())
   {
     QCString refText = theTranslator->trDefinedAtLineInSourceFile();
     int lineMarkerPos = refText.find("@0");
     int fileMarkerPos = refText.find("@1");
     if (lineMarkerPos!=-1 && fileMarkerPos!=-1) // should always pass this.
     {
-      QCString lineStr,anchorStr;
+      QCString lineStr;
       lineStr.sprintf("%d",m_impl->body->startLine);
-      anchorStr.sprintf(Htags::useHtags ? "L%d" : "l%05d",m_impl->body->startLine);
+      QCString anchorStr = getSourceAnchor();
       ol.startParagraph();
       if (lineMarkerPos<fileMarkerPos) // line marker before file marker
       {
@@ -898,8 +927,7 @@ void Definition::writeSourceDef(OutputList &ol,const char *)
           ol.disable(OutputGenerator::Latex);
         }
         // write line link (HTML, LaTeX optionally)
-        ol.writeObjectLink(0,m_impl->body->fileDef->getSourceFileBase(),
-            anchorStr,lineStr);
+        ol.writeObjectLink(0,fn,anchorStr,lineStr);
         ol.enableAll();
         ol.disable(OutputGenerator::Html);
         if (latexSourceCode) 
@@ -922,8 +950,7 @@ void Definition::writeSourceDef(OutputList &ol,const char *)
           ol.disable(OutputGenerator::Latex);
         }
         // write line link (HTML, LaTeX optionally)
-        ol.writeObjectLink(0,m_impl->body->fileDef->getSourceFileBase(),
-            0,m_impl->body->fileDef->name());
+        ol.writeObjectLink(0,fn,0,m_impl->body->fileDef->name());
         ol.enableAll();
         ol.disable(OutputGenerator::Html);
         if (latexSourceCode) 
@@ -950,8 +977,7 @@ void Definition::writeSourceDef(OutputList &ol,const char *)
           ol.disable(OutputGenerator::Latex);
         }
         // write file link (HTML only)
-        ol.writeObjectLink(0,m_impl->body->fileDef->getSourceFileBase(),
-            0,m_impl->body->fileDef->name());
+        ol.writeObjectLink(0,fn,0,m_impl->body->fileDef->name());
         ol.enableAll();
         ol.disable(OutputGenerator::Html);
         if (latexSourceCode) 
@@ -975,8 +1001,7 @@ void Definition::writeSourceDef(OutputList &ol,const char *)
         }
         ol.disableAllBut(OutputGenerator::Html); 
         // write line link (HTML only)
-        ol.writeObjectLink(0,m_impl->body->fileDef->getSourceFileBase(),
-            anchorStr,lineStr);
+        ol.writeObjectLink(0,fn,anchorStr,lineStr);
         ol.enableAll();
         ol.disable(OutputGenerator::Html);
         if (latexSourceCode) 

src/definition.h

@@ -130,8 +130,11 @@ class Definition : public DefinitionIntf
     /*! Returns the anchor within a page where this item can be found */
     virtual QCString anchor() const = 0;
 
-    /*! Returns the name of the source listing of this file. */
-    virtual QCString getSourceFileBase() const { ASSERT(0); return "NULL"; }
+    /*! Returns the name of the source listing of this definition. */
+    virtual QCString getSourceFileBase() const;
+
+    /*! Returns the anchor of the source listing of this definition. */
+    virtual QCString getSourceAnchor() const;
 
     /*! Returns the detailed description of this definition */
     QCString documentation() const;

src/docbookgen.cpp

@@ -208,6 +208,12 @@ class DocbookCodeGenerator : public CodeOutputInterface
       writeDocbookLink(m_t,ref,file,anchor,name,tooltip);
       col+=strlen(name);
     }
+    void writeTooltip(const char *, const DocLinkInfo &, const char *,
+                      const char *, const SourceLinkInfo &, const SourceLinkInfo &
+                     )
+    {
+      Docbook_DB(("(writeToolTip)\n"));
+    }
     void startCodeLine(bool)
     {
       Docbook_DB(("(startCodeLine)\n"));
@@ -235,16 +241,6 @@ class DocbookCodeGenerator : public CodeOutputInterface
       m_external.resize(0);
       m_insideCodeLine=FALSE;
     }
-    void startCodeAnchor(const char *id)
-    {
-      Docbook_DB(("(startCodeAnchor)\n"));
-      m_t << "<anchor id=\"" << id << "\">";
-    }
-    void endCodeAnchor()
-    {
-      Docbook_DB(("(endCodeAnchor)\n"));
-      m_t << "</anchor>";
-    }
     void startFontClass(const char * /*colorClass*/)
     {
       Docbook_DB(("(startFontClass)\n"));

src/doxygen.css

@@ -141,11 +141,11 @@ a.el {
 a.elRef {
 }
 
-a.code, a.code:visited {
+a.code, a.code:visited, a.line, a.line:visited {
 	color: #4665A2; 
 }
 
-a.codeRef, a.codeRef:visited {
+a.codeRef, a.codeRef:visited, a.lineRef, a.lineRef:visited {
 	color: #4665A2; 
 }
 
@@ -1165,6 +1165,177 @@ tr.heading h2 {
         margin-bottom: 4px;
 }
 
+/* tooltip related style info */
+
+.ttc {
+        position: absolute;
+        display: none;
+}
+
+#powerTip {
+	cursor: default;
+	white-space: nowrap;
+	background-color: white;
+	border: 1px solid gray;
+	border-radius: 4px 4px 4px 4px;
+	box-shadow: 1px 1px 7px gray;
+	display: none;
+	font-size: smaller;
+	max-width: 80%;
+	opacity: 0.9;
+	padding: 1ex 1em 1em;
+	position: absolute;
+	z-index: 2147483647;
+}
+
+#powerTip div.ttdoc {
+        color: grey;
+	font-style: italic;
+}
+
+#powerTip div.ttname a {
+        font-weight: bold;
+}
+
+#powerTip div.ttname {
+        font-weight: bold;
+}
+
+#powerTip div.ttdeci {
+        color: #006318;
+}
+
+#powerTip div {
+        margin: 0px;
+        padding: 0px;
+        font: 12px/16px Roboto,sans-serif;
+}
+
+#powerTip:before, #powerTip:after {
+	content: "";
+	position: absolute;
+	margin: 0px;
+}
+
+#powerTip.n:after,  #powerTip.n:before,
+#powerTip.s:after,  #powerTip.s:before,
+#powerTip.w:after,  #powerTip.w:before,
+#powerTip.e:after,  #powerTip.e:before,
+#powerTip.ne:after, #powerTip.ne:before,
+#powerTip.se:after, #powerTip.se:before,
+#powerTip.nw:after, #powerTip.nw:before,
+#powerTip.sw:after, #powerTip.sw:before {
+	border: solid transparent;
+	content: " ";
+	height: 0;
+	width: 0;
+	position: absolute;
+}
+
+#powerTip.n:after,  #powerTip.s:after,
+#powerTip.w:after,  #powerTip.e:after,
+#powerTip.nw:after, #powerTip.ne:after,
+#powerTip.sw:after, #powerTip.se:after {
+	border-color: rgba(255, 255, 255, 0);
+}
+
+#powerTip.n:before,  #powerTip.s:before,
+#powerTip.w:before,  #powerTip.e:before,
+#powerTip.nw:before, #powerTip.ne:before,
+#powerTip.sw:before, #powerTip.se:before {
+	border-color: rgba(128, 128, 128, 0);
+}
+
+#powerTip.n:after,  #powerTip.n:before,
+#powerTip.ne:after, #powerTip.ne:before,
+#powerTip.nw:after, #powerTip.nw:before {
+	top: 100%;
+}
+
+#powerTip.n:after, #powerTip.ne:after, #powerTip.nw:after {
+	border-top-color: #ffffff;
+	border-width: 10px;
+	margin: 0px -10px;
+}
+#powerTip.n:before {
+	border-top-color: #808080;
+	border-width: 11px;
+	margin: 0px -11px;
+}
+#powerTip.n:after, #powerTip.n:before {
+	left: 50%;
+}
+
+#powerTip.nw:after, #powerTip.nw:before {
+	right: 14px;
+}
+
+#powerTip.ne:after, #powerTip.ne:before {
+	left: 14px;
+}
+
+#powerTip.s:after,  #powerTip.s:before,
+#powerTip.se:after, #powerTip.se:before,
+#powerTip.sw:after, #powerTip.sw:before {
+	bottom: 100%;
+}
+
+#powerTip.s:after, #powerTip.se:after, #powerTip.sw:after {
+	border-bottom-color: #ffffff;
+	border-width: 10px;
+	margin: 0px -10px;
+}
+
+#powerTip.s:before, #powerTip.se:before, #powerTip.sw:before {
+	border-bottom-color: #808080;
+	border-width: 11px;
+	margin: 0px -11px;
+}
+
+#powerTip.s:after, #powerTip.s:before {
+	left: 50%;
+}
+
+#powerTip.sw:after, #powerTip.sw:before {
+	right: 14px;
+}
+
+#powerTip.se:after, #powerTip.se:before {
+	left: 14px;
+}
+
+#powerTip.e:after, #powerTip.e:before {
+	left: 100%;
+}
+#powerTip.e:after {
+	border-left-color: #ffffff;
+	border-width: 10px;
+	top: 50%;
+	margin-top: -10px;
+}
+#powerTip.e:before {
+	border-left-color: #808080;
+	border-width: 11px;
+	top: 50%;
+	margin-top: -11px;
+}
+
+#powerTip.w:after, #powerTip.w:before {
+	right: 100%;
+}
+#powerTip.w:after {
+	border-right-color: #ffffff;
+	border-width: 10px;
+	top: 50%;
+	margin-top: -10px;
+}
+#powerTip.w:before {
+	border-right-color: #808080;
+	border-width: 11px;
+	top: 50%;
+	margin-top: -11px;
+}
+
 @media print
 {
   #top { display: none; }

src/doxygen_css.h

@@ -141,11 +141,11 @@
 "a.elRef {\n"
 "}\n"
 "\n"
-"a.code, a.code:visited {\n"
+"a.code, a.code:visited, a.line, a.line:visited {\n"
 "	color: #4665A2; \n"
 "}\n"
 "\n"
-"a.codeRef, a.codeRef:visited {\n"
+"a.codeRef, a.codeRef:visited, a.lineRef, a.lineRef:visited {\n"
 "	color: #4665A2; \n"
 "}\n"
 "\n"
@@ -1165,6 +1165,177 @@
 "        margin-bottom: 4px;\n"
 "}\n"
 "\n"
+"/* tooltip related style info */\n"
+"\n"
+".ttc {\n"
+"        position: absolute;\n"
+"        display: none;\n"
+"}\n"
+"\n"
+"#powerTip {\n"
+"	cursor: default;\n"
+"	white-space: nowrap;\n"
+"	background-color: white;\n"
+"	border: 1px solid gray;\n"
+"	border-radius: 4px 4px 4px 4px;\n"
+"	box-shadow: 1px 1px 7px gray;\n"
+"	display: none;\n"
+"	font-size: smaller;\n"
+"	max-width: 80%;\n"
+"	opacity: 0.9;\n"
+"	padding: 1ex 1em 1em;\n"
+"	position: absolute;\n"
+"	z-index: 2147483647;\n"
+"}\n"
+"\n"
+"#powerTip div.ttdoc {\n"
+"        color: grey;\n"
+"	font-style: italic;\n"
+"}\n"
+"\n"
+"#powerTip div.ttname a {\n"
+"        font-weight: bold;\n"
+"}\n"
+"\n"
+"#powerTip div.ttname {\n"
+"        font-weight: bold;\n"
+"}\n"
+"\n"
+"#powerTip div.ttdeci {\n"
+"        color: #006318;\n"
+"}\n"
+"\n"
+"#powerTip div {\n"
+"        margin: 0px;\n"
+"        padding: 0px;\n"
+"        font: 12px/16px Roboto,sans-serif;\n"
+"}\n"
+"\n"
+"#powerTip:before, #powerTip:after {\n"
+"	content: \"\";\n"
+"	position: absolute;\n"
+"	margin: 0px;\n"
+"}\n"
+"\n"
+"#powerTip.n:after,  #powerTip.n:before,\n"
+"#powerTip.s:after,  #powerTip.s:before,\n"
+"#powerTip.w:after,  #powerTip.w:before,\n"
+"#powerTip.e:after,  #powerTip.e:before,\n"
+"#powerTip.ne:after, #powerTip.ne:before,\n"
+"#powerTip.se:after, #powerTip.se:before,\n"
+"#powerTip.nw:after, #powerTip.nw:before,\n"
+"#powerTip.sw:after, #powerTip.sw:before {\n"
+"	border: solid transparent;\n"
+"	content: \" \";\n"
+"	height: 0;\n"
+"	width: 0;\n"
+"	position: absolute;\n"
+"}\n"
+"\n"
+"#powerTip.n:after,  #powerTip.s:after,\n"
+"#powerTip.w:after,  #powerTip.e:after,\n"
+"#powerTip.nw:after, #powerTip.ne:after,\n"
+"#powerTip.sw:after, #powerTip.se:after {\n"
+"	border-color: rgba(255, 255, 255, 0);\n"
+"}\n"
+"\n"
+"#powerTip.n:before,  #powerTip.s:before,\n"
+"#powerTip.w:before,  #powerTip.e:before,\n"
+"#powerTip.nw:before, #powerTip.ne:before,\n"
+"#powerTip.sw:before, #powerTip.se:before {\n"
+"	border-color: rgba(128, 128, 128, 0);\n"
+"}\n"
+"\n"
+"#powerTip.n:after,  #powerTip.n:before,\n"
+"#powerTip.ne:after, #powerTip.ne:before,\n"
+"#powerTip.nw:after, #powerTip.nw:before {\n"
+"	top: 100%;\n"
+"}\n"
+"\n"
+"#powerTip.n:after, #powerTip.ne:after, #powerTip.nw:after {\n"
+"	border-top-color: #ffffff;\n"
+"	border-width: 10px;\n"
+"	margin: 0px -10px;\n"
+"}\n"
+"#powerTip.n:before {\n"
+"	border-top-color: #808080;\n"
+"	border-width: 11px;\n"
+"	margin: 0px -11px;\n"
+"}\n"
+"#powerTip.n:after, #powerTip.n:before {\n"
+"	left: 50%;\n"
+"}\n"
+"\n"
+"#powerTip.nw:after, #powerTip.nw:before {\n"
+"	right: 14px;\n"
+"}\n"
+"\n"
+"#powerTip.ne:after, #powerTip.ne:before {\n"
+"	left: 14px;\n"
+"}\n"
+"\n"
+"#powerTip.s:after,  #powerTip.s:before,\n"
+"#powerTip.se:after, #powerTip.se:before,\n"
+"#powerTip.sw:after, #powerTip.sw:before {\n"
+"	bottom: 100%;\n"
+"}\n"
+"\n"
+"#powerTip.s:after, #powerTip.se:after, #powerTip.sw:after {\n"
+"	border-bottom-color: #ffffff;\n"
+"	border-width: 10px;\n"
+"	margin: 0px -10px;\n"
+"}\n"
+"\n"
+"#powerTip.s:before, #powerTip.se:before, #powerTip.sw:before {\n"
+"	border-bottom-color: #808080;\n"
+"	border-width: 11px;\n"
+"	margin: 0px -11px;\n"
+"}\n"
+"\n"
+"#powerTip.s:after, #powerTip.s:before {\n"
+"	left: 50%;\n"
+"}\n"
+"\n"
+"#powerTip.sw:after, #powerTip.sw:before {\n"
+"	right: 14px;\n"
+"}\n"
+"\n"
+"#powerTip.se:after, #powerTip.se:before {\n"
+"	left: 14px;\n"
+"}\n"
+"\n"
+"#powerTip.e:after, #powerTip.e:before {\n"
+"	left: 100%;\n"
+"}\n"
+"#powerTip.e:after {\n"
+"	border-left-color: #ffffff;\n"
+"	border-width: 10px;\n"
+"	top: 50%;\n"
+"	margin-top: -10px;\n"
+"}\n"
+"#powerTip.e:before {\n"
+"	border-left-color: #808080;\n"
+"	border-width: 11px;\n"
+"	top: 50%;\n"
+"	margin-top: -11px;\n"
+"}\n"
+"\n"
+"#powerTip.w:after, #powerTip.w:before {\n"
+"	right: 100%;\n"
+"}\n"
+"#powerTip.w:after {\n"
+"	border-right-color: #ffffff;\n"
+"	border-width: 10px;\n"
+"	top: 50%;\n"
+"	margin-top: -10px;\n"
+"}\n"
+"#powerTip.w:before {\n"
+"	border-right-color: #808080;\n"
+"	border-width: 11px;\n"
+"	top: 50%;\n"
+"	margin-top: -11px;\n"
+"}\n"
+"\n"
 "@media print\n"
 "{\n"
 "  #top { display: none; }\n"

src/filedef.cpp

@@ -54,12 +54,13 @@ class DevNullCodeDocInterface : public CodeOutputInterface
     virtual void writeCodeLink(const char *,const char *,
                                const char *,const char *,
                                const char *) {}
+    virtual void writeTooltip(const char *, const DocLinkInfo &, const char *,
+                              const char *, const SourceLinkInfo &, const SourceLinkInfo &
+                             ) {}
     virtual void writeLineNumber(const char *,const char *,
                                  const char *,int) {}
     virtual void startCodeLine(bool) {}
     virtual void endCodeLine() {}
-    virtual void startCodeAnchor(const char *) {}
-    virtual void endCodeAnchor() {}
     virtual void startFontClass(const char *) {}
     virtual void endFontClass() {}
     virtual void writeCodeAnchor(const char *) {}
@@ -1645,14 +1646,7 @@ QCString FileDef::getSourceFileBase() const
 /*! Returns the name of the verbatim copy of this file (if any). */
 QCString FileDef::includeName() const 
 { 
-  if (Htags::useHtags)
-  {
-    return Htags::path2URL(m_filePath);
-  }
-  else
-  {
-    return convertNameToFile(m_diskName)+"_source"; 
-  }
+  return getSourceFileBase();
 }
 
 MemberList *FileDef::createMemberList(MemberListType lt)

src/fortrancode.l

@@ -49,6 +49,7 @@
 #include "classlist.h"
 #include "filedef.h"
 #include "namespacedef.h"
+#include "tooltip.h"
 
 // Toggle for some debugging info
 //#define DBG_CTX(x) fprintf x
@@ -337,9 +338,18 @@ static void codifyLines(QCString str)
  * split into multiple links with the same destination, one for each line.
  */
 static void writeMultiLineCodeLink(CodeOutputInterface &ol,
-                  const char *ref,const char *file,
-                  const char *anchor,const char *text)
+                  Definition *d,const char *text)
 {
+  static bool sourceTooltips = Config_getBool("SOURCE_TOOLTIPS");
+  TooltipManager::instance()->addTooltip(d);
+  QCString ref  = d->getReference();
+  QCString file = d->getOutputFileBase();
+  QCString anchor = d->anchor();
+  QCString tooltip; 
+  if (!sourceTooltips) // fall back to simple "title" tooltips
+  {
+    tooltip = d->briefDescriptionAsTooltip();
+  }
   bool done=FALSE;
   char *p=(char *)text;
   while (!done)
@@ -352,7 +362,7 @@ static void writeMultiLineCodeLink(CodeOutputInterface &ol,
       g_yyLineNr++;
       *(p-1)='\0';
       //printf("writeCodeLink(%s,%s,%s,%s)\n",ref,file,anchor,sp);
-      ol.writeCodeLink(ref,file,anchor,sp,0);
+      ol.writeCodeLink(ref,file,anchor,sp,tooltip);
       endCodeLine();
       if (g_yyLineNr<g_inputLines) 
       {
@@ -362,7 +372,7 @@ static void writeMultiLineCodeLink(CodeOutputInterface &ol,
     else
     {
       //printf("writeCodeLink(%s,%s,%s,%s)\n",ref,file,anchor,sp);
-      ol.writeCodeLink(ref,file,anchor,sp,0);
+      ol.writeCodeLink(ref,file,anchor,sp,tooltip);
       done=TRUE;
     }
   }
@@ -559,10 +569,7 @@ static bool getLink(UseSDict *usedict, // dictonary with used modules
       { 
 	addDocCrossReference(g_currentMemberDef,md); 
       }     
-      writeMultiLineCodeLink(ol,md->getReference(),
-	                        md->getOutputFileBase(),
-	                        md->anchor(),
-				text ? text : memberText);
+      writeMultiLineCodeLink(ol,md,text ? text : memberText);
       addToSearchIndex(text ? text : memberText);
       return TRUE;
     } 
@@ -587,7 +594,7 @@ static void generateLink(CodeOutputInterface &ol, char *lname)
     } 
     else 
     { // write type or interface link
-      writeMultiLineCodeLink(ol,cd->getReference(),cd->getOutputFileBase(),cd->anchor(),tmp);
+      writeMultiLineCodeLink(ol,cd,tmp);
       addToSearchIndex(tmp.data());
     }
   }

src/htmlgen.cpp

@@ -90,6 +90,10 @@ static const char search_jquery_script5[]=
 #include "jquery_fx_js.h"
 ;
 
+static const char search_jquery_script6[]=
+#include "jquery_pt_js.h"
+;
+
 static const char svgpan_script[]=
 #include "svgpan_js.h"
 ;
@@ -1247,7 +1251,7 @@ void HtmlCodeGenerator::setRelativePath(const QCString &path)
 void HtmlCodeGenerator::codify(const char *str)
 {
   static int tabSize = Config_getInt("TAB_SIZE");
-  if (str)
+  if (str && m_streamSet)
   { 
     const char *p=str;
     char c;
@@ -1294,7 +1298,7 @@ void HtmlCodeGenerator::codify(const char *str)
 
 void HtmlCodeGenerator::docify(const char *str)
 {
-  if (str)
+  if (str && m_streamSet)
   {
     const char *p=str;
     char c;
@@ -1324,40 +1328,47 @@ void HtmlCodeGenerator::docify(const char *str)
 void HtmlCodeGenerator::writeLineNumber(const char *ref,const char *filename,
                                     const char *anchor,int l)
 {
+  if (!m_streamSet) return;
   QCString lineNumber,lineAnchor;
   lineNumber.sprintf("%5d",l);
   lineAnchor.sprintf("l%05d",l);
 
+  m_t << "<div class=\"line\">";
+  m_t << "<a name=\"" << lineAnchor << "\"></a><span class=\"lineno\">"; 
   if (filename)
   {
-    startCodeAnchor(lineAnchor);
-    writeCodeLink(ref,filename,anchor,lineNumber,0);
-    endCodeAnchor();
+    _writeCodeLink("line",ref,filename,anchor,lineNumber,0);
   }
   else
   {
-    startCodeAnchor(lineAnchor);
     codify(lineNumber);
-    endCodeAnchor();
   }
+  m_t << "</span>"; 
   m_t << "&#160;";
 }
 
-
 void HtmlCodeGenerator::writeCodeLink(const char *ref,const char *f,
                                       const char *anchor, const char *name,
                                       const char *tooltip)
 {
   if (!m_streamSet) return;
   //printf("writeCodeLink(ref=%s,f=%s,anchor=%s,name=%s,tooltip=%s)\n",ref,f,anchor,name,tooltip);
+  _writeCodeLink("code",ref,f,anchor,name,tooltip);
+}
+
+void HtmlCodeGenerator::_writeCodeLink(const char *className,
+                                      const char *ref,const char *f,
+                                      const char *anchor, const char *name,
+                                      const char *tooltip)
+{
   if (ref) 
   {
-    m_t << "<a class=\"codeRef\" ";
+    m_t << "<a class=\"" << className << "Ref\" ";
     m_t << externalLinkTarget() << externalRef(m_relPath,ref,FALSE);
   }
   else
   {
-    m_t << "<a class=\"code\" ";
+    m_t << "<a class=\"" << className << "\" ";
   }
   m_t << "href=\"";
   m_t << externalRef(m_relPath,ref,TRUE);
@@ -1371,29 +1382,102 @@ void HtmlCodeGenerator::writeCodeLink(const char *ref,const char *f,
   m_col+=qstrlen(name);
 }
 
-void HtmlCodeGenerator::startCodeLine(bool hasLineNumbers) 
+void HtmlCodeGenerator::writeTooltip(const char *id, const DocLinkInfo &docInfo,
+                                     const char *decl, const char *desc, 
+                                     const SourceLinkInfo &defInfo, 
+                                     const SourceLinkInfo &declInfo)
 {
-  if (!hasLineNumbers) m_t << "<div class=\"line\">";
-  m_col=0; 
+  m_t << "<div class=\"ttc\" id=\"" << id << "\">";
+  m_t << "<div class=\"ttname\">";
+  if (!docInfo.url.isEmpty())
+  {
+    m_t << "<a href=\"";
+    m_t << externalRef(m_relPath,docInfo.ref,TRUE);
+    m_t << docInfo.url << Doxygen::htmlFileExtension;
+    if (!docInfo.anchor.isEmpty())
+    {
+      m_t << "#" << docInfo.anchor;
+    }
+    m_t << "\">";
+  }
+  docify(docInfo.name);
+  if (!docInfo.url.isEmpty())
+  {
+    m_t << "</a>";
+  }
+  m_t << "</div>";
+  if (decl)
+  {
+    m_t << "<div class=\"ttdeci\">";
+    docify(decl);
+    m_t << "</div>";
+  }
+  if (desc)
+  {
+    m_t << "<div class=\"ttdoc\">";
+    docify(desc);
+    m_t << "</div>";
+  }
+  if (!defInfo.file.isEmpty())
+  {
+    m_t << "<div class=\"ttdef\"><b>Definition:</b> ";
+    if (!defInfo.url.isEmpty())
+    {
+      m_t << "<a href=\"";
+      m_t << externalRef(m_relPath,defInfo.ref,TRUE);
+      m_t << defInfo.url << Doxygen::htmlFileExtension;
+      if (!defInfo.anchor.isEmpty())
+      {
+        m_t << "#" << defInfo.anchor;
+      }
+      m_t << "\">";
+    }
+    m_t << defInfo.file << ":" << defInfo.line;
+    if (!defInfo.url.isEmpty())
+    {
+      m_t << "</a>";
+    }
+    m_t << "</div>";
+  }
+  if (!declInfo.file.isEmpty())
+  {
+    m_t << "<div class=\"ttdecl\"><b>Declaration:</b> ";
+    if (!declInfo.url.isEmpty())
+    {
+      m_t << "<a href=\"";
+      m_t << externalRef(m_relPath,declInfo.ref,TRUE);
+      m_t << declInfo.url << Doxygen::htmlFileExtension;
+      if (!declInfo.anchor.isEmpty())
+      {
+        m_t << "#" << declInfo.anchor;
+      }
+      m_t << "\">";
+    }
+    m_t << declInfo.file << ":" << declInfo.line;
+    if (!declInfo.url.isEmpty())
+    {
+      m_t << "</a>";
+    }
+    m_t << "</div>";
+  }
+  m_t << "</div>" << endl;
 }
 
-void HtmlCodeGenerator::endCodeLine() 
-{ 
-  m_t << "</div>\n";
-}
 
-void HtmlCodeGenerator::startCodeAnchor(const char *label) 
+void HtmlCodeGenerator::startCodeLine(bool hasLineNumbers) 
 { 
-  m_t << "<div class=\"line\">";
-  m_t << "<a name=\"" << label << "\"></a><span class=\"lineno\">"; 
+  if (m_streamSet)
+  {
+    if (!hasLineNumbers) m_t << "<div class=\"line\">";
+    m_col=0; 
+  }
 }
 
-void HtmlCodeGenerator::endCodeAnchor() 
+void HtmlCodeGenerator::endCodeLine() 
 { 
-  m_t << "</span>"; 
+  if (m_streamSet) m_t << "</div>\n";
 }
 
-
 void HtmlCodeGenerator::startFontClass(const char *s) 
 { 
   if (m_streamSet) m_t << "<span class=\"" << s << "\">"; 
@@ -1484,6 +1568,10 @@ void HtmlGenerator::init()
       {
         t << search_jquery_script4 << search_jquery_script5;
       }
+      if (Config_getBool("SOURCE_BROWSER"))
+      {
+        t << search_jquery_script6;
+      }
     }
   }
 
@@ -1503,6 +1591,16 @@ void HtmlGenerator::init()
     {
       FTextStream t(&f);
       t << dynsections_script;
+      if (Config_getBool("SOURCE_BROWSER") && Config_getBool("SOURCE_TOOLTIPS"))
+      {
+        t << endl << 
+          "$(document).ready(function() {\n"
+          "  $('.code,.codeRef').each(function() {\n"
+          "    $(this).data('powertip',$('#'+$(this).attr('href').replace(/.*\\//,'').replace(/[^a-z_A-Z0-9]/g,'_')).html());\n"
+          "    $(this).powerTip({ placement: 's', smartPlacement: true, mouseOnToPopup: true });\n"
+          "  });\n"
+          "});\n";
+      }
     }
   }
 }

src/htmlgen.h

@@ -39,11 +39,16 @@ class HtmlCodeGenerator : public CodeOutputInterface
     void writeCodeLink(const char *ref,const char *file,
                        const char *anchor,const char *name,
                        const char *tooltip);
+    void writeTooltip(const char *id, 
+                      const DocLinkInfo &docInfo,
+                      const char *decl,
+                      const char *desc,
+                      const SourceLinkInfo &defInfo,
+                      const SourceLinkInfo &declInfo
+                     );
     void writeLineNumber(const char *,const char *,const char *,int);
     void startCodeLine(bool);
     void endCodeLine();
-    void startCodeAnchor(const char *label);
-    void endCodeAnchor();
     void startFontClass(const char *s);
     void endFontClass();
     void writeCodeAnchor(const char *anchor);
@@ -51,6 +56,10 @@ class HtmlCodeGenerator : public CodeOutputInterface
     void addWord(const char *,bool) {}
 
   private:
+    void _writeCodeLink(const char *className,
+                        const char *ref,const char *file,
+                        const char *anchor,const char *name,
+                        const char *tooltip);
     void docify(const char *str);
     bool m_streamSet;
     FTextStream m_t;
@@ -94,14 +103,14 @@ class HtmlGenerator : public OutputGenerator
     { m_codeGen.writeCodeLink(ref,file,anchor,name,tooltip); }
     void writeLineNumber(const char *ref,const char *file,const char *anchor,int lineNumber)
     { m_codeGen.writeLineNumber(ref,file,anchor,lineNumber); }
+    void writeTooltip(const char *id, const DocLinkInfo &docInfo, const char *decl,
+                      const char *desc, const SourceLinkInfo &defInfo, const SourceLinkInfo &declInfo
+                     )
+    { m_codeGen.writeTooltip(id,docInfo,decl,desc,defInfo,declInfo); }
     void startCodeLine(bool hasLineNumbers)
     { m_codeGen.startCodeLine(hasLineNumbers); }
     void endCodeLine()
     { m_codeGen.endCodeLine(); }
-    void startCodeAnchor(const char *label)
-    { m_codeGen.startCodeAnchor(label); }
-    void endCodeAnchor()
-    { m_codeGen.endCodeAnchor(); }
     void startFontClass(const char *s) 
     { m_codeGen.startFontClass(s); }
     void endFontClass() 

src/jquery_pt.js

+/*!
+ PowerTip - v1.2.0 - 2013-04-03
+ http://stevenbenner.github.com/jquery-powertip/
+ Copyright (c) 2013 Steven Benner (http://stevenbenner.com/).
+ Released under MIT license.
+ https://raw.github.com/stevenbenner/jquery-powertip/master/LICENSE.txt
+*/
+(function(a){if(typeof define==="function"&&define.amd){define(["jquery"],a)}else{a(jQuery)}}(function(k){var A=k(document),s=k(window),w=k("body");var n="displayController",e="hasActiveHover",d="forcedOpen",u="hasMouseMove",f="mouseOnToPopup",g="originalTitle",y="powertip",o="powertipjq",l="powertiptarget",E=180/Math.PI;var c={isTipOpen:false,isFixedTipOpen:false,isClosing:false,tipOpenImminent:false,activeHover:null,currentX:0,currentY:0,previousX:0,previousY:0,desyncTimeout:null,mouseTrackingActive:false,delayInProgress:false,windowWidth:0,windowHeight:0,scrollTop:0,scrollLeft:0};var p={none:0,top:1,bottom:2,left:4,right:8};k.fn.powerTip=function(F,N){if(!this.length){return this}if(k.type(F)==="string"&&k.powerTip[F]){return k.powerTip[F].call(this,this,N)}var O=k.extend({},k.fn.powerTip.defaults,F),G=new x(O);h();this.each(function M(){var R=k(this),Q=R.data(y),P=R.data(o),T=R.data(l),S;if(R.data(n)){k.powerTip.destroy(R)}S=R.attr("title");if(!Q&&!T&&!P&&S){R.data(y,S);R.data(g,S);R.removeAttr("title")}R.data(n,new t(R,O,G))});if(!O.manual){this.on({"mouseenter.powertip":function J(P){k.powerTip.show(this,P)},"mouseleave.powertip":function L(){k.powerTip.hide(this)},"focus.powertip":function K(){k.powerTip.show(this)},"blur.powertip":function H(){k.powerTip.hide(this,true)},"keydown.powertip":function I(P){if(P.keyCode===27){k.powerTip.hide(this,true)}}})}return this};k.fn.powerTip.defaults={fadeInTime:200,fadeOutTime:100,followMouse:false,popupId:"powerTip",intentSensitivity:7,intentPollInterval:100,closeDelay:100,placement:"n",smartPlacement:false,offset:10,mouseOnToPopup:false,manual:false};k.fn.powerTip.smartPlacementLists={n:["n","ne","nw","s"],e:["e","ne","se","w","nw","sw","n","s","e"],s:["s","se","sw","n"],w:["w","nw","sw","e","ne","se","n","s","w"],nw:["nw","w","sw","n","s","se","nw"],ne:["ne","e","se","n","s","sw","ne"],sw:["sw","w","nw","s","n","ne","sw"],se:["se","e","ne","s","n","nw","se"],"nw-alt":["nw-alt","n","ne-alt","sw-alt","s","se-alt","w","e"],"ne-alt":["ne-alt","n","nw-alt","se-alt","s","sw-alt","e","w"],"sw-alt":["sw-alt","s","se-alt","nw-alt","n","ne-alt","w","e"],"se-alt":["se-alt","s","sw-alt","ne-alt","n","nw-alt","e","w"]};k.powerTip={show:function z(F,G){if(G){i(G);c.previousX=G.pageX;c.previousY=G.pageY;k(F).data(n).show()}else{k(F).first().data(n).show(true,true)}return F},reposition:function r(F){k(F).first().data(n).resetPosition();return F},hide:function D(G,F){if(G){k(G).first().data(n).hide(F)}else{if(c.activeHover){c.activeHover.data(n).hide(true)}}return G},destroy:function C(G){k(G).off(".powertip").each(function F(){var I=k(this),H=[g,n,e,d];if(I.data(g)){I.attr("title",I.data(g));H.push(y)}I.removeData(H)});return G}};k.powerTip.showTip=k.powerTip.show;k.powerTip.closeTip=k.powerTip.hide;function b(){var F=this;F.top="auto";F.left="auto";F.right="auto";F.bottom="auto";F.set=function(H,G){if(k.isNumeric(G)){F[H]=Math.round(G)}}}function t(K,N,F){var J=null;function L(P,Q){M();if(!K.data(e)){if(!P){c.tipOpenImminent=true;J=setTimeout(function O(){J=null;I()},N.intentPollInterval)}else{if(Q){K.data(d,true)}F.showTip(K)}}}function G(P){M();c.tipOpenImminent=false;if(K.data(e)){K.data(d,false);if(!P){c.delayInProgress=true;J=setTimeout(function O(){J=null;F.hideTip(K);c.delayInProgress=false},N.closeDelay)}else{F.hideTip(K)}}}function I(){var Q=Math.abs(c.previousX-c.currentX),O=Math.abs(c.previousY-c.currentY),P=Q+O;if(P<N.intentSensitivity){F.showTip(K)}else{c.previousX=c.currentX;c.previousY=c.currentY;L()}}function M(){J=clearTimeout(J);c.delayInProgress=false}function H(){F.resetPosition(K)}this.show=L;this.hide=G;this.cancel=M;this.resetPosition=H}function j(){function G(M,L,J,O,P){var K=L.split("-")[0],N=new b(),I;if(q(M)){I=H(M,K)}else{I=F(M,K)}switch(L){case"n":N.set("left",I.left-(J/2));N.set("bottom",c.windowHeight-I.top+P);break;case"e":N.set("left",I.left+P);N.set("top",I.top-(O/2));break;case"s":N.set("left",I.left-(J/2));N.set("top",I.top+P);break;case"w":N.set("top",I.top-(O/2));N.set("right",c.windowWidth-I.left+P);break;case"nw":N.set("bottom",c.windowHeight-I.top+P);N.set("right",c.windowWidth-I.left-20);break;case"nw-alt":N.set("left",I.left);N.set("bottom",c.windowHeight-I.top+P);break;case"ne":N.set("left",I.left-20);N.set("bottom",c.windowHeight-I.top+P);break;case"ne-alt":N.set("bottom",c.windowHeight-I.top+P);N.set("right",c.windowWidth-I.left);break;case"sw":N.set("top",I.top+P);N.set("right",c.windowWidth-I.left-20);break;case"sw-alt":N.set("left",I.left);N.set("top",I.top+P);break;case"se":N.set("left",I.left-20);N.set("top",I.top+P);break;case"se-alt":N.set("top",I.top+P);N.set("right",c.windowWidth-I.left);break}return N}function F(K,J){var O=K.offset(),N=K.outerWidth(),I=K.outerHeight(),M,L;switch(J){case"n":M=O.left+N/2;L=O.top;break;case"e":M=O.left+N;L=O.top+I/2;break;case"s":M=O.left+N/2;L=O.top+I;break;case"w":M=O.left;L=O.top+I/2;break;case"nw":M=O.left;L=O.top;break;case"ne":M=O.left+N;L=O.top;break;case"sw":M=O.left;L=O.top+I;break;case"se":M=O.left+N;L=O.top+I;break}return{top:L,left:M}}function H(O,K){var S=O.closest("svg")[0],N=O[0],W=S.createSVGPoint(),L=N.getBBox(),V=N.getScreenCTM(),M=L.width/2,Q=L.height/2,P=[],I=["nw","n","ne","e","se","s","sw","w"],U,X,R,T;function J(){P.push(W.matrixTransform(V))}W.x=L.x;W.y=L.y;J();W.x+=M;J();W.x+=M;J();W.y+=Q;J();W.y+=Q;J();W.x-=M;J();W.x-=M;J();W.y-=Q;J();if(P[0].y!==P[1].y||P[0].x!==P[7].x){X=Math.atan2(V.b,V.a)*E;R=Math.ceil(((X%360)-22.5)/45);if(R<1){R+=8}while(R--){I.push(I.shift())}}for(T=0;T<P.length;T++){if(I[T]===K){U=P[T];break}}return{top:U.y+c.scrollTop,left:U.x+c.scrollLeft}}this.compute=G}function x(Q){var P=new j(),O=k("#"+Q.popupId);if(O.length===0){O=k("<div/>",{id:Q.popupId});if(w.length===0){w=k("body")}w.append(O)}if(Q.followMouse){if(!O.data(u)){A.on("mousemove",M);s.on("scroll",M);O.data(u,true)}}if(Q.mouseOnToPopup){O.on({mouseenter:function L(){if(O.data(f)){if(c.activeHover){c.activeHover.data(n).cancel()}}},mouseleave:function N(){if(c.activeHover){c.activeHover.data(n).hide()}}})}function I(S){S.data(e,true);O.queue(function R(T){H(S);T()})}function H(S){var U;if(!S.data(e)){return}if(c.isTipOpen){if(!c.isClosing){K(c.activeHover)}O.delay(100).queue(function R(V){H(S);V()});return}S.trigger("powerTipPreRender");U=B(S);if(U){O.empty().append(U)}else{return}S.trigger("powerTipRender");c.activeHover=S;c.isTipOpen=true;O.data(f,Q.mouseOnToPopup);if(!Q.followMouse){G(S);c.isFixedTipOpen=true}else{M()}O.fadeIn(Q.fadeInTime,function T(){if(!c.desyncTimeout){c.desyncTimeout=setInterval(J,500)}S.trigger("powerTipOpen")})}function K(R){c.isClosing=true;c.activeHover=null;c.isTipOpen=false;c.desyncTimeout=clearInterval(c.desyncTimeout);R.data(e,false);R.data(d,false);O.fadeOut(Q.fadeOutTime,function S(){var T=new b();c.isClosing=false;c.isFixedTipOpen=false;O.removeClass();T.set("top",c.currentY+Q.offset);T.set("left",c.currentX+Q.offset);O.css(T);R.trigger("powerTipClose")})}function M(){if(!c.isFixedTipOpen&&(c.isTipOpen||(c.tipOpenImminent&&O.data(u)))){var R=O.outerWidth(),V=O.outerHeight(),U=new b(),S,T;U.set("top",c.currentY+Q.offset);U.set("left",c.currentX+Q.offset);S=m(U,R,V);if(S!==p.none){T=a(S);if(T===1){if(S===p.right){U.set("left",c.windowWidth-R)}else{if(S===p.bottom){U.set("top",c.scrollTop+c.windowHeight-V)}}}else{U.set("left",c.currentX-R-Q.offset);U.set("top",c.currentY-V-Q.offset)}}O.css(U)}}function G(S){var R,T;if(Q.smartPlacement){R=k.fn.powerTip.smartPlacementLists[Q.placement];k.each(R,function(U,W){var V=m(F(S,W),O.outerWidth(),O.outerHeight());T=W;if(V===p.none){return false}})}else{F(S,Q.placement);T=Q.placement}O.addClass(T)}function F(U,T){var R=0,S,W,V=new b();V.set("top",0);V.set("left",0);O.css(V);do{S=O.outerWidth();W=O.outerHeight();V=P.compute(U,T,S,W,Q.offset);O.css(V)}while(++R<=5&&(S!==O.outerWidth()||W!==O.outerHeight()));return V}function J(){var R=false;if(c.isTipOpen&&!c.isClosing&&!c.delayInProgress){if(c.activeHover.data(e)===false||c.activeHover.is(":disabled")){R=true}else{if(!v(c.activeHover)&&!c.activeHover.is(":focus")&&!c.activeHover.data(d)){if(O.data(f)){if(!v(O)){R=true}}else{R=true}}}if(R){K(c.activeHover)}}}this.showTip=I;this.hideTip=K;this.resetPosition=G}function q(F){return window.SVGElement&&F[0] instanceof SVGElement}function h(){if(!c.mouseTrackingActive){c.mouseTrackingActive=true;k(function H(){c.scrollLeft=s.scrollLeft();c.scrollTop=s.scrollTop();c.windowWidth=s.width();c.windowHeight=s.height()});A.on("mousemove",i);s.on({resize:function G(){c.windowWidth=s.width();c.windowHeight=s.height()},scroll:function F(){var I=s.scrollLeft(),J=s.scrollTop();if(I!==c.scrollLeft){c.currentX+=I-c.scrollLeft;c.scrollLeft=I}if(J!==c.scrollTop){c.currentY+=J-c.scrollTop;c.scrollTop=J}}})}}function i(F){c.currentX=F.pageX;c.currentY=F.pageY}function v(F){var H=F.offset(),J=F[0].getBoundingClientRect(),I=J.right-J.left,G=J.bottom-J.top;return c.currentX>=H.left&&c.currentX<=H.left+I&&c.currentY>=H.top&&c.currentY<=H.top+G}function B(I){var G=I.data(y),F=I.data(o),K=I.data(l),H,J;if(G){if(k.isFunction(G)){G=G.call(I[0])}J=G}else{if(F){if(k.isFunction(F)){F=F.call(I[0])}if(F.length>0){J=F.clone(true,true)}}else{if(K){H=k("#"+K);if(H.length>0){J=H.html()}}}}return J}function m(M,L,K){var G=c.scrollTop,J=c.scrollLeft,I=G+c.windowHeight,F=J+c.windowWidth,H=p.none;if(M.top<G||Math.abs(M.bottom-c.windowHeight)-K<G){H|=p.top}if(M.top+K>I||Math.abs(M.bottom-c.windowHeight)>I){H|=p.bottom}if(M.left<J||M.right+L>F){H|=p.left}if(M.left+L>F||M.right<J){H|=p.right}return H}function a(G){var F=0;while(G){G&=G-1;F++}return F}}));
\ No newline at end of file

src/jquery_pt_js.h

+"/*!\n"
+" PowerTip - v1.2.0 - 2013-04-03\n"
+" http://stevenbenner.github.com/jquery-powertip/\n"
+" Copyright (c) 2013 Steven Benner (http://stevenbenner.com/).\n"
+" Released under MIT license.\n"
+" https://raw.github.com/stevenbenner/jquery-powertip/master/LICENSE.txt\n"
+"*/\n"
+"(function(a){if(typeof define===\"function\"&&define.amd){define([\"jquery\"],a)}else{a(jQuery)}}(function(k){var A=k(document),s=k(window),w=k(\"body\");var n=\"displayController\",e=\"hasActiveHover\",d=\"forcedOpen\",u=\"hasMouseMove\",f=\"mouseOnToPopup\",g=\"originalTitle\",y=\"powertip\",o=\"powertipjq\",l=\"powertiptarget\",E=180/Math.PI;var c={isTipOpen:false,isFixedTipOpen:false,isClosing:false,tipOpenImminent:false,activeHover:null,currentX:0,currentY:0,previousX:0,previousY:0,desyncTimeout:null,mouseTrackingActive:false,delayInProgress:false,windowWidth:0,windowHeight:0,scrollTop:0,scrollLeft:0};var p={none:0,top:1,bottom:2,left:4,right:8};k.fn.powerTip=function(F,N){if(!this.length){return this}if(k.type(F)===\"string\"&&k.powerTip[F]){return k.powerTip[F].call(this,this,N)}var O=k.extend({},k.fn.powerTip.defaults,F),G=new x(O);h();this.each(function M(){var R=k(this),Q=R.data(y),P=R.data(o),T=R.data(l),S;if(R.data(n)){k.powerTip.destroy(R)}S=R.attr(\"title\");if(!Q&&!T&&!P&&S){R.data(y,S);R.data(g,S);R.removeAttr(\"title\")}R.data(n,new t(R,O,G))});if(!O.manual){this.on({\"mouseenter.powertip\":function J(P){k.powerTip.show(this,P)},\"mouseleave.powertip\":function L(){k.powerTip.hide(this)},\"focus.powertip\":function K(){k.powerTip.show(this)},\"blur.powertip\":function H(){k.powerTip.hide(this,true)},\"keydown.powertip\":function I(P){if(P.keyCode===27){k.powerTip.hide(this,true)}}})}return this};k.fn.powerTip.defaults={fadeInTime:200,fadeOutTime:100,followMouse:false,popupId:\"powerTip\",intentSensitivity:7,intentPollInterval:100,closeDelay:100,placement:\"n\",smartPlacement:false,offset:10,mouseOnToPopup:false,manual:false};k.fn.powerTip.smartPlacementLists={n:[\"n\",\"ne\",\"nw\",\"s\"],e:[\"e\",\"ne\",\"se\",\"w\",\"nw\",\"sw\",\"n\",\"s\",\"e\"],s:[\"s\",\"se\",\"sw\",\"n\"],w:[\"w\",\"nw\",\"sw\",\"e\",\"ne\",\"se\",\"n\",\"s\",\"w\"],nw:[\"nw\",\"w\",\"sw\",\"n\",\"s\",\"se\",\"nw\"],ne:[\"ne\",\"e\",\"se\",\"n\",\"s\",\"sw\",\"ne\"],sw:[\"sw\",\"w\",\"nw\",\"s\",\"n\",\"ne\",\"sw\"],se:[\"se\",\"e\",\"ne\",\"s\",\"n\",\"nw\",\"se\"],\"nw-alt\":[\"nw-alt\",\"n\",\"ne-alt\",\"sw-alt\",\"s\",\"se-alt\",\"w\",\"e\"],\"ne-alt\":[\"ne-alt\",\"n\",\"nw-alt\",\"se-alt\",\"s\",\"sw-alt\",\"e\",\"w\"],\"sw-alt\":[\"sw-alt\",\"s\",\"se-alt\",\"nw-alt\",\"n\",\"ne-alt\",\"w\",\"e\"],\"se-alt\":[\"se-alt\",\"s\",\"sw-alt\",\"ne-alt\",\"n\",\"nw-alt\",\"e\",\"w\"]};k.powerTip={show:function z(F,G){if(G){i(G);c.previousX=G.pageX;c.previousY=G.pageY;k(F).data(n).show()}else{k(F).first().data(n).show(true,true)}return F},reposition:function r(F){k(F).first().data(n).resetPosition();return F},hide:function D(G,F){if(G){k(G).first().data(n).hide(F)}else{if(c.activeHover){c.activeHover.data(n).hide(true)}}return G},destroy:function C(G){k(G).off(\".powertip\").each(function F(){var I=k(this),H=[g,n,e,d];if(I.data(g)){I.attr(\"title\",I.data(g));H.push(y)}I.removeData(H)});return G}};k.powerTip.showTip=k.powerTip.show;k.powerTip.closeTip=k.powerTip.hide;function b(){var F=this;F.top=\"auto\";F.left=\"auto\";F.right=\"auto\";F.bottom=\"auto\";F.set=function(H,G){if(k.isNumeric(G)){F[H]=Math.round(G)}}}function t(K,N,F){var J=null;function L(P,Q){M();if(!K.data(e)){if(!P){c.tipOpenImminent=true;J=setTimeout(function O(){J=null;I()},N.intentPollInterval)}else{if(Q){K.data(d,true)}F.showTip(K)}}}function G(P){M();c.tipOpenImminent=false;if(K.data(e)){K.data(d,false);if(!P){c.delayInProgress=true;J=setTimeout(function O(){J=null;F.hideTip(K);c.delayInProgress=false},N.closeDelay)}else{F.hideTip(K)}}}function I(){var Q=Math.abs(c.previousX-c.currentX),O=Math.abs(c.previousY-c.currentY),P=Q+O;if(P<N.intentSensitivity){F.showTip(K)}else{c.previousX=c.currentX;c.previousY=c.currentY;L()}}function M(){J=clearTimeout(J);c.delayInProgress=false}function H(){F.resetPosition(K)}this.show=L;this.hide=G;this.cancel=M;this.resetPosition=H}function j(){function G(M,L,J,O,P){var K=L.split(\"-\")[0],N=new b(),I;if(q(M)){I=H(M,K)}else{I=F(M,K)}switch(L){case\"n\":N.set(\"left\",I.left-(J/2));N.set(\"bottom\",c.windowHeight-I.top+P);break;case\"e\":N.set(\"left\",I.left+P);N.set(\"top\",I.top-(O/2));break;case\"s\":N.set(\"left\",I.left-(J/2));N.set(\"top\",I.top+P);break;case\"w\":N.set(\"top\",I.top-(O/2));N.set(\"right\",c.windowWidth-I.left+P);break;case\"nw\":N.set(\"bottom\",c.windowHeight-I.top+P);N.set(\"right\",c.windowWidth-I.left-20);break;case\"nw-alt\":N.set(\"left\",I.left);N.set(\"bottom\",c.windowHeight-I.top+P);break;case\"ne\":N.set(\"left\",I.left-20);N.set(\"bottom\",c.windowHeight-I.top+P);break;case\"ne-alt\":N.set(\"bottom\",c.windowHeight-I.top+P);N.set(\"right\",c.windowWidth-I.left);break;case\"sw\":N.set(\"top\",I.top+P);N.set(\"right\",c.windowWidth-I.left-20);break;case\"sw-alt\":N.set(\"left\",I.left);N.set(\"top\",I.top+P);break;case\"se\":N.set(\"left\",I.left-20);N.set(\"top\",I.top+P);break;case\"se-alt\":N.set(\"top\",I.top+P);N.set(\"right\",c.windowWidth-I.left);break}return N}function F(K,J){var O=K.offset(),N=K.outerWidth(),I=K.outerHeight(),M,L;switch(J){case\"n\":M=O.left+N/2;L=O.top;break;case\"e\":M=O.left+N;L=O.top+I/2;break;case\"s\":M=O.left+N/2;L=O.top+I;break;case\"w\":M=O.left;L=O.top+I/2;break;case\"nw\":M=O.left;L=O.top;break;case\"ne\":M=O.left+N;L=O.top;break;case\"sw\":M=O.left;L=O.top+I;break;case\"se\":M=O.left+N;L=O.top+I;break}return{top:L,left:M}}function H(O,K){var S=O.closest(\"svg\")[0],N=O[0],W=S.createSVGPoint(),L=N.getBBox(),V=N.getScreenCTM(),M=L.width/2,Q=L.height/2,P=[],I=[\"nw\",\"n\",\"ne\",\"e\",\"se\",\"s\",\"sw\",\"w\"],U,X,R,T;function J(){P.push(W.matrixTransform(V))}W.x=L.x;W.y=L.y;J();W.x+=M;J();W.x+=M;J();W.y+=Q;J();W.y+=Q;J();W.x-=M;J();W.x-=M;J();W.y-=Q;J();if(P[0].y!==P[1].y||P[0].x!==P[7].x){X=Math.atan2(V.b,V.a)*E;R=Math.ceil(((X%360)-22.5)/45);if(R<1){R+=8}while(R--){I.push(I.shift())}}for(T=0;T<P.length;T++){if(I[T]===K){U=P[T];break}}return{top:U.y+c.scrollTop,left:U.x+c.scrollLeft}}this.compute=G}function x(Q){var P=new j(),O=k(\"#\"+Q.popupId);if(O.length===0){O=k(\"<div/>\",{id:Q.popupId});if(w.length===0){w=k(\"body\")}w.append(O)}if(Q.followMouse){if(!O.data(u)){A.on(\"mousemove\",M);s.on(\"scroll\",M);O.data(u,true)}}if(Q.mouseOnToPopup){O.on({mouseenter:function L(){if(O.data(f)){if(c.activeHover){c.activeHover.data(n).cancel()}}},mouseleave:function N(){if(c.activeHover){c.activeHover.data(n).hide()}}})}function I(S){S.data(e,true);O.queue(function R(T){H(S);T()})}function H(S){var U;if(!S.data(e)){return}if(c.isTipOpen){if(!c.isClosing){K(c.activeHover)}O.delay(100).queue(function R(V){H(S);V()});return}S.trigger(\"powerTipPreRender\");U=B(S);if(U){O.empty().append(U)}else{return}S.trigger(\"powerTipRender\");c.activeHover=S;c.isTipOpen=true;O.data(f,Q.mouseOnToPopup);if(!Q.followMouse){G(S);c.isFixedTipOpen=true}else{M()}O.fadeIn(Q.fadeInTime,function T(){if(!c.desyncTimeout){c.desyncTimeout=setInterval(J,500)}S.trigger(\"powerTipOpen\")})}function K(R){c.isClosing=true;c.activeHover=null;c.isTipOpen=false;c.desyncTimeout=clearInterval(c.desyncTimeout);R.data(e,false);R.data(d,false);O.fadeOut(Q.fadeOutTime,function S(){var T=new b();c.isClosing=false;c.isFixedTipOpen=false;O.removeClass();T.set(\"top\",c.currentY+Q.offset);T.set(\"left\",c.currentX+Q.offset);O.css(T);R.trigger(\"powerTipClose\")})}function M(){if(!c.isFixedTipOpen&&(c.isTipOpen||(c.tipOpenImminent&&O.data(u)))){var R=O.outerWidth(),V=O.outerHeight(),U=new b(),S,T;U.set(\"top\",c.currentY+Q.offset);U.set(\"left\",c.currentX+Q.offset);S=m(U,R,V);if(S!==p.none){T=a(S);if(T===1){if(S===p.right){U.set(\"left\",c.windowWidth-R)}else{if(S===p.bottom){U.set(\"top\",c.scrollTop+c.windowHeight-V)}}}else{U.set(\"left\",c.currentX-R-Q.offset);U.set(\"top\",c.currentY-V-Q.offset)}}O.css(U)}}function G(S){var R,T;if(Q.smartPlacement){R=k.fn.powerTip.smartPlacementLists[Q.placement];k.each(R,function(U,W){var V=m(F(S,W),O.outerWidth(),O.outerHeight());T=W;if(V===p.none){return false}})}else{F(S,Q.placement);T=Q.placement}O.addClass(T)}function F(U,T){var R=0,S,W,V=new b();V.set(\"top\",0);V.set(\"left\",0);O.css(V);do{S=O.outerWidth();W=O.outerHeight();V=P.compute(U,T,S,W,Q.offset);O.css(V)}while(++R<=5&&(S!==O.outerWidth()||W!==O.outerHeight()));return V}function J(){var R=false;if(c.isTipOpen&&!c.isClosing&&!c.delayInProgress){if(c.activeHover.data(e)===false||c.activeHover.is(\":disabled\")){R=true}else{if(!v(c.activeHover)&&!c.activeHover.is(\":focus\")&&!c.activeHover.data(d)){if(O.data(f)){if(!v(O)){R=true}}else{R=true}}}if(R){K(c.activeHover)}}}this.showTip=I;this.hideTip=K;this.resetPosition=G}function q(F){return window.SVGElement&&F[0] instanceof SVGElement}function h(){if(!c.mouseTrackingActive){c.mouseTrackingActive=true;k(function H(){c.scrollLeft=s.scrollLeft();c.scrollTop=s.scrollTop();c.windowWidth=s.width();c.windowHeight=s.height()});A.on(\"mousemove\",i);s.on({resize:function G(){c.windowWidth=s.width();c.windowHeight=s.height()},scroll:function F(){var I=s.scrollLeft(),J=s.scrollTop();if(I!==c.scrollLeft){c.currentX+=I-c.scrollLeft;c.scrollLeft=I}if(J!==c.scrollTop){c.currentY+=J-c.scrollTop;c.scrollTop=J}}})}}function i(F){c.currentX=F.pageX;c.currentY=F.pageY}function v(F){var H=F.offset(),J=F[0].getBoundingClientRect(),I=J.right-J.left,G=J.bottom-J.top;return c.currentX>=H.left&&c.currentX<=H.left+I&&c.currentY>=H.top&&c.currentY<=H.top+G}function B(I){var G=I.data(y),F=I.data(o),K=I.data(l),H,J;if(G){if(k.isFunction(G)){G=G.call(I[0])}J=G}else{if(F){if(k.isFunction(F)){F=F.call(I[0])}if(F.length>0){J=F.clone(true,true)}}else{if(K){H=k(\"#\"+K);if(H.length>0){J=H.html()}}}}return J}function m(M,L,K){var G=c.scrollTop,J=c.scrollLeft,I=G+c.windowHeight,F=J+c.windowWidth,H=p.none;if(M.top<G||Math.abs(M.bottom-c.windowHeight)-K<G){H|=p.top}if(M.top+K>I||Math.abs(M.bottom-c.windowHeight)>I){H|=p.bottom}if(M.left<J||M.right+L>F){H|=p.left}if(M.left+L>F||M.right<J){H|=p.right}return H}function a(G){var F=0;while(G){G&=G-1;F++}return F}}));\n"

src/latexgen.cpp

@@ -2053,6 +2053,8 @@ void LatexGenerator::endCodeFragment()
 
 void LatexGenerator::writeLineNumber(const char *ref,const char *fileName,const char *anchor,int l)
 {
+  static bool usePDFLatex = Config_getBool("USE_PDFLATEX");
+  static bool pdfHyperlinks = Config_getBool("PDF_HYPERLINKS");
   if (m_prettyCode)
   {
     QCString lineNumber;
@@ -2063,9 +2065,12 @@ void LatexGenerator::writeLineNumber(const char *ref,const char *fileName,const
       QCString lineAnchor;
       lineAnchor.sprintf("_l%05d",l);
       lineAnchor.prepend(sourceFileName);
-      startCodeAnchor(lineAnchor);
+      //if (!m_prettyCode) return;
+      if (usePDFLatex && pdfHyperlinks)
+      {
+        t << "\\hypertarget{" << stripPath(lineAnchor) << "}{}";
+      }
       writeCodeLink(ref,fileName,anchor,lineNumber,0);
-      endCodeAnchor();
     }
     else
     { 
@@ -2101,21 +2106,6 @@ void LatexGenerator::endFontClass()
   t << "}";
 }
 
-void LatexGenerator::startCodeAnchor(const char *name) 
-{
-  static bool usePDFLatex = Config_getBool("USE_PDFLATEX");
-  static bool pdfHyperlinks = Config_getBool("PDF_HYPERLINKS");
-  //if (!m_prettyCode) return;
-  if (usePDFLatex && pdfHyperlinks)
-  {
-    t << "\\hypertarget{" << stripPath(name) << "}{}";
-  }
-}
-
-void LatexGenerator::endCodeAnchor() 
-{
-}
-
 void LatexGenerator::startInlineHeader()
 {
   if (Config_getBool("COMPACT_LATEX")) 

src/latexgen.h

@@ -87,6 +87,9 @@ class LatexGenerator : public OutputGenerator
     void writeCodeLink(const char *ref, const char *file,
                        const char *anchor,const char *name,
                        const char *tooltip);
+    void writeTooltip(const char *, const DocLinkInfo &, const char *,
+                      const char *, const SourceLinkInfo &, const SourceLinkInfo &
+                     ) {}
     void startTextLink(const char *,const char *);
     void endTextLink();
     void startHtmlLink(const char *url);
@@ -148,8 +151,6 @@ class LatexGenerator : public OutputGenerator
     void endMemberDoc(bool);
     void startDoxyAnchor(const char *,const char *,const char *,const char *,const char *);
     void endDoxyAnchor(const char *,const char *);
-    void startCodeAnchor(const char *);
-    void endCodeAnchor();
     void writeChar(char c);
     void writeLatexSpacing() { t << "\\hspace{0.3cm}"; }
     void writeStartAnnoItem(const char *type,const char *file, 

src/libdoxygen.pro.in

@@ -72,6 +72,7 @@ HEADERS      =	arguments.h \
 		jquery_p3_js.h \
 		jquery_ui_js.h \
 		jquery_fx_js.h \
+		jquery_pt_js.h \
 		svgpan_js.h \
 		dynsections_js.h \
 		language.h \
@@ -127,6 +128,7 @@ HEADERS      =	arguments.h \
 		tagreader.h \
 		tclscanner.h \
                 textdocvisitor.h \
+		tooltip.h \
 		translator.h \
 		translator_adapter.h \
 		translator_am.h \
@@ -257,6 +259,7 @@ SOURCES      =	arguments.cpp \
 		tagreader.cpp \
                 tclscanner.cpp \
                 textdocvisitor.cpp \
+		tooltip.cpp \
 		translator.cpp \
 		util.cpp \
 		version.cpp \

src/libdoxygen.t.in

@@ -174,6 +174,9 @@ jquery_ui_js.h: jquery_ui.js
 jquery_fx_js.h: jquery_fx.js
 	cat jquery_fx.js | $(TO_C_CMD) >jquery_fx_js.h
 
+jquery_pt_js.h: jquery_pt.js
+	cat jquery_pt.js | $(TO_C_CMD) >jquery_pt_js.h
+
 navtree_css.h: navtree.css
 	cat navtree.css | $(TO_C_CMD) >navtree_css.h
 

src/mangen.h

@@ -84,6 +84,9 @@ class ManGenerator : public OutputGenerator
     void writeCodeLink(const char *ref,const char *file,
                        const char *anchor,const char *name,
                        const char *tooltip);
+    void writeTooltip(const char *, const DocLinkInfo &, const char *,
+                      const char *, const SourceLinkInfo &, const SourceLinkInfo &
+                     ) {}
     void startTextLink(const char *,const char *) {}
     void endTextLink() {}
     void startHtmlLink(const char *url);
@@ -145,8 +148,6 @@ class ManGenerator : public OutputGenerator
     void endMemberDoc(bool);
     void startDoxyAnchor(const char *,const char *,const char *,const char *,const char *);
     void endDoxyAnchor(const char *,const char *) {}
-    void startCodeAnchor(const char *) {}
-    void endCodeAnchor() {}
     void writeLatexSpacing() {}
     void writeStartAnnoItem(const char *type,const char *file,
                             const char *path,const char *name);

src/outputgen.h

@@ -37,13 +37,31 @@ class GroupDef;
 class Definition;
 class QFile;
 
+struct DocLinkInfo
+{
+  QCString name;
+  QCString ref;
+  QCString url;
+  QCString anchor;
+};
+
+struct SourceLinkInfo
+{
+  QCString file;
+  int line;
+  QCString ref;
+  QCString url;
+  QCString anchor;
+};
+
 /** Output interface for code parser. 
  */
 class CodeOutputInterface
 {
   public:
     virtual ~CodeOutputInterface() {}
-    /*! Writes an ASCII string to the output. This function should keep 
+
+    /*! Writes an code fragment to the output. This function should keep 
      *  spaces visible, should break lines at a newline and should convert 
      *  tabs to the right number of spaces.
      */
@@ -62,15 +80,50 @@ class CodeOutputInterface
                                const char *anchor,const char *name,
                                const char *tooltip) = 0;
 
+    /*! Writes the line number of a source listing
+     *  \param ref        External reference (when imported from a tag file)
+     *  \param file       The file part of the URL pointing to the docs.
+     *  \param anchor     The anchor part of the URL pointing to the docs.
+     *  \param lineNumber The line number to write
+     */
     virtual void writeLineNumber(const char *ref,const char *file,
                                  const char *anchor,int lineNumber) = 0;
+
+    /*! Writes a tool tip definition 
+     *  \param id       unique identifier for the tooltip
+     *  \param docInfo  Info about the symbol's documentation.
+     *  \param decl     full declaration of the symbol (for functions)
+     *  \param desc     brief description for the symbol
+     *  \param defInfo  Info about the symbol's definition in the source code
+     *  \param declInfo Info about the symbol's declaration in the source code
+     */
+    virtual void writeTooltip(const char *id, 
+                              const DocLinkInfo &docInfo,
+                              const char *decl,
+                              const char *desc,
+                              const SourceLinkInfo &defInfo,
+                              const SourceLinkInfo &declInfo
+                             ) = 0;
+                              
     virtual void startCodeLine(bool hasLineNumbers) = 0;
+
+    /*! Ends a line of code started with startCodeLine() */
     virtual void endCodeLine() = 0;
-    virtual void startCodeAnchor(const char *label) = 0;
-    virtual void endCodeAnchor() = 0;
-    virtual void startFontClass(const char *) = 0;
+
+    /*! Starts a block with a certain meaning. Used for syntax highlighting,
+     *  which elements of the same type are rendered using the same 'font class'.
+     *  \param clsName The category name.
+     */
+    virtual void startFontClass(const char *clsName) = 0;
+
+    /*! Ends a block started with startFontClass() */
     virtual void endFontClass() = 0;
+
+    /*! Write an anchor to a source listing.
+     *  \param name The name of the anchor.
+     */
     virtual void writeCodeAnchor(const char *name) = 0;
+
     virtual void setCurrentDoc(Definition *context,const char *anchor,bool isSourceFile) = 0;
     virtual void addWord(const char *word,bool hiPriority) = 0;
 };

src/outputlist.cpp

@@ -291,6 +291,31 @@ void OutputList::forall(void (OutputGenerator::*func)(a1,a2,a3,a4,a5,a6),a1,a2,a
   }                                                                                   \
 }                     
 
+// seven arguments
+#define FORALL7(a1,a2,a3,a4,a5,a6,a7,p1,p2,p3,p4,p5,p6,p7)                      \
+void OutputList::forall(void (OutputGenerator::*func)(a1,a2,a3,a4,a5,a6,a7),a1,a2,a3,a4,a5,a6,a7) \
+{                                                                                     \
+  OutputGenerator *og=outputs->first();                                               \
+  while (og)                                                                          \
+  {                                                                                   \
+    if (og->isEnabled()) (og->*func)(p1,p2,p3,p4,p5,p6,p7);                           \
+    og=outputs->next();                                                               \
+  }                                                                                   \
+}                     
+
+
+// eight arguments
+#define FORALL8(a1,a2,a3,a4,a5,a6,a7,a8,p1,p2,p3,p4,p5,p6,p7,p8)                      \
+void OutputList::forall(void (OutputGenerator::*func)(a1,a2,a3,a4,a5,a6,a7,a8),a1,a2,a3,a4,a5,a6,a7,a8) \
+{                                                                                     \
+  OutputGenerator *og=outputs->first();                                               \
+  while (og)                                                                          \
+  {                                                                                   \
+    if (og->isEnabled()) (og->*func)(p1,p2,p3,p4,p5,p6,p7,p8);                        \
+    og=outputs->next();                                                               \
+  }                                                                                   \
+}                     
+
 // now instantiate only the ones we need.
 
 FORALL1(const char *a1,a1)
@@ -332,6 +357,7 @@ FORALL4(const char *a1,const char *a2,const char *a3,int a4,a1,a2,a3,a4)
 FORALL5(const char *a1,const char *a2,const char *a3,const char *a4,const char *a5,a1,a2,a3,a4,a5)
 FORALL5(const char *a1,const char *a2,const char *a3,const char *a4,bool a5,a1,a2,a3,a4,a5)
 FORALL6(const char *a1,const char *a2,const char *a3,const char *a4,const char *a5,const char *a6,a1,a2,a3,a4,a5,a6)
+FORALL6(const char *a1,const DocLinkInfo &a2,const char *a3,const char *a4,const SourceLinkInfo &a5,const SourceLinkInfo &a6,a1,a2,a3,a4,a5,a6)
 
 
 //--------------------------------------------------------------------------

src/outputlist.h

@@ -34,6 +34,10 @@
   void forall(void (OutputGenerator::*func)(arg1,arg2,arg3,arg4,arg5),arg1,arg2,arg3,arg4,arg5)
 #define FORALLPROTO6(arg1,arg2,arg3,arg4,arg5,arg6) \
   void forall(void (OutputGenerator::*func)(arg1,arg2,arg3,arg4,arg5,arg6),arg1,arg2,arg3,arg4,arg5,arg6)
+#define FORALLPROTO7(arg1,arg2,arg3,arg4,arg5,arg6,arg7) \
+  void forall(void (OutputGenerator::*func)(arg1,arg2,arg3,arg4,arg5,arg6,arg7),arg1,arg2,arg3,arg4,arg5,arg6,arg7)
+#define FORALLPROTO8(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8) \
+  void forall(void (OutputGenerator::*func)(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8),arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8)
   
 class ClassDiagram;
 class DotClassGraph;
@@ -149,6 +153,9 @@ class OutputList : public OutputDocInterface
                        const char *anchor,const char *name,
                        const char *tooltip)
     { forall(&OutputGenerator::writeCodeLink,ref,file,anchor,name,tooltip); }
+    void writeTooltip(const char *id, const DocLinkInfo &docInfo, const char *decl,
+                      const char *desc, const SourceLinkInfo &defInfo, const SourceLinkInfo &declInfo)
+    { forall(&OutputGenerator::writeTooltip,id,docInfo,decl,desc,defInfo,declInfo); }
     void startTextLink(const char *file,const char *anchor)
     { forall(&OutputGenerator::startTextLink,file,anchor); }
     void endTextLink()
@@ -262,10 +269,6 @@ class OutputList : public OutputDocInterface
     { forall(&OutputGenerator::startDoxyAnchor,fName,manName,anchor,name,args); }
     void endDoxyAnchor(const char *fn,const char *anchor)
     { forall(&OutputGenerator::endDoxyAnchor,fn,anchor); }
-    void startCodeAnchor(const char *label)
-    { forall(&OutputGenerator::startCodeAnchor,label); }
-    void endCodeAnchor()
-    { forall(&OutputGenerator::endCodeAnchor); }
     void writeLatexSpacing() 
     { forall(&OutputGenerator::writeLatexSpacing); }
     void startDescription() 
@@ -542,6 +545,7 @@ class OutputList : public OutputDocInterface
     FORALLPROTO5(const char *,const char *,const char *,const char *,const char *);
     FORALLPROTO5(const char *,const char *,const char *,const char *,bool);
     FORALLPROTO6(const char *,const char *,const char *,const char *,const char *,const char *);
+    FORALLPROTO6(const char *,const DocLinkInfo &,const char *,const char *,const SourceLinkInfo &,const SourceLinkInfo &);
   
     OutputList(const OutputList &ol);
     QList<OutputGenerator> *outputs;

src/pycode.l

@@ -42,6 +42,7 @@
 #include "classlist.h"
 #include "filedef.h"
 #include "namespacedef.h"
+#include "tooltip.h"
 
 // Toggle for some debugging info
 //#define DBG_CTX(x) fprintf x
@@ -429,10 +430,19 @@ static void nextCodeLine()
  * split into multiple links with the same destination, one for each line.
  */
 static void writeMultiLineCodeLink(CodeOutputInterface &ol,
-                  const char *ref,const char *file,
-                  const char *anchor,const char *text,
-                  const char *tooltip)
+                  Definition *d,
+                  const char *text)
 {
+  static bool sourceTooltips = Config_getBool("SOURCE_TOOLTIPS");
+  TooltipManager::instance()->addTooltip(d);
+  QCString ref  = d->getReference();
+  QCString file = d->getOutputFileBase();
+  QCString anchor = d->anchor();
+  QCString tooltip; 
+  if (!sourceTooltips) // fall back to simple "title" tooltips
+  {
+    tooltip = d->briefDescriptionAsTooltip();
+  }
   bool done=FALSE;
   char *p=(char *)text;
   while (!done)
@@ -549,11 +559,7 @@ static bool getLinkInScope(const QCString &c,  // scope
       }
       //printf("d->getReference()=`%s' d->getOutputBase()=`%s' name=`%s' member name=`%s'\n",d->getReference().data(),d->getOutputFileBase().data(),d->name().data(),md->name().data());
      
-      writeMultiLineCodeLink(ol,md->getReference(),
-	                        md->getOutputFileBase(),
-	                        md->anchor(),
-				text ? text : memberText,
-                                md->briefDescriptionAsTooltip());
+      writeMultiLineCodeLink(ol,md, text ? text : memberText);
       addToSearchIndex(text ? text : memberText);
       return TRUE;
     } 
@@ -617,7 +623,7 @@ static void generateClassOrGlobalLink(CodeOutputInterface &ol,char *clName,
       NamespaceDef *nd = getResolvedNamespace(scope);
       if (nd)
       {
-        writeMultiLineCodeLink(ol,nd->getReference(),nd->getOutputFileBase(),nd->anchor(),clName,nd->briefDescriptionAsTooltip());
+        writeMultiLineCodeLink(ol,nd,clName);
         addToSearchIndex(className);
         return;
       }
@@ -639,7 +645,7 @@ static void generateClassOrGlobalLink(CodeOutputInterface &ol,char *clName,
 
   if (cd && cd->isLinkable()) // is it a linkable class
   {
-    writeMultiLineCodeLink(ol,cd->getReference(),cd->getOutputFileBase(),cd->anchor(),clName,cd->briefDescriptionAsTooltip());
+    writeMultiLineCodeLink(ol,cd,clName);
     addToSearchIndex(className);
     if (md)
     {
@@ -667,7 +673,7 @@ static void generateClassOrGlobalLink(CodeOutputInterface &ol,char *clName,
 	if (md)
 	{
           g_theCallContext.setClass(stripClassName(md->typeString(),md->getOuterScope()));
-          writeMultiLineCodeLink(ol,md->getReference(),md->getOutputFileBase(),md->anchor(),clName,md->briefDescriptionAsTooltip());
+          writeMultiLineCodeLink(ol,md,clName);
           addToSearchIndex(className);
 	  Definition *d = md->getOuterScope()==Doxygen::globalScope ?
 	                  md->getBodyDef() : md->getOuterScope();
@@ -689,7 +695,7 @@ static void generateClassOrGlobalLink(CodeOutputInterface &ol,char *clName,
           {
 	    //printf("name=%s scope=%s\n",locName.data(),scope.data());
 	    g_theCallContext.setClass(stripClassName(md->typeString(),md->getOuterScope()));
-            writeMultiLineCodeLink(ol,md->getReference(),md->getOutputFileBase(),md->anchor(),clName,md->briefDescriptionAsTooltip());
+            writeMultiLineCodeLink(ol,md,clName);
             addToSearchIndex(className);
 	    Definition *d = md->getOuterScope()==Doxygen::globalScope ?
 	                    md->getBodyDef() : md->getOuterScope();
@@ -765,7 +771,6 @@ static bool findMemberLink(CodeOutputInterface &ol,Definition *sym,const char *s
   {
     ClassDef *cd = (ClassDef*)sym->getOuterScope();
     ClassDef *thisCd = (ClassDef *)g_currentDefinition;
-    QCString anchor=sym->anchor();
     if (sym->definitionType()==Definition::TypeMember)
     {
       if (g_currentMemberDef)
@@ -779,11 +784,7 @@ static bool findMemberLink(CodeOutputInterface &ol,Definition *sym,const char *s
     // thisCd 
     if (cd==thisCd || (thisCd && thisCd->isBaseClass(cd,TRUE)))
     {
-      writeMultiLineCodeLink(ol,sym->getReference(),
-          sym->getOutputFileBase(),
-          anchor,
-          symName,
-          sym->briefDescriptionAsTooltip());
+      writeMultiLineCodeLink(ol,sym,symName);
       return TRUE;
     }
   }
@@ -1458,6 +1459,7 @@ void parsePythonCode(CodeOutputInterface &od,const char * /*className*/,
   
   //--------------------------------------
   if (s.isEmpty()) return;
+  TooltipManager::instance()->clearTooltips();
   g_code = &od;
   g_inputString   = s;
   g_inputPosition = 0;
@@ -1506,6 +1508,10 @@ void parsePythonCode(CodeOutputInterface &od,const char * /*className*/,
   {
     endCodeLine();
   }
+  if (fd)
+  {
+    TooltipManager::instance()->writeTooltips(*g_code);
+  }
   if (cleanupSourceDef)
   {
     // delete the temporary file definition used for this example

src/rtfgen.h

@@ -84,6 +84,9 @@ class RTFGenerator : public OutputGenerator
     void writeCodeLink(const char *ref, const char *file,
                        const char *anchor,const char *name,
                        const char *tooltip);
+    void writeTooltip(const char *, const DocLinkInfo &, const char *,
+                      const char *, const SourceLinkInfo &, const SourceLinkInfo &
+                     ) {}
     void startTextLink(const char *f,const char *anchor);
     void endTextLink();
     void startHtmlLink(const char *url);
@@ -139,8 +142,6 @@ class RTFGenerator : public OutputGenerator
     void endMemberDoc(bool);
     void startDoxyAnchor(const char *,const char *,const char *,const char *,const char *);
     void endDoxyAnchor(const char *,const char *);
-    void startCodeAnchor(const char *) {};
-    void endCodeAnchor() {};
     void writeChar(char c);
     void writeLatexSpacing() {};//{ t << "\\hspace{0.3cm}"; }
     void writeStartAnnoItem(const char *type,const char *file, 

src/settings.h

@@ -2,7 +2,7 @@
 #define SETTINGS_H
 
 #define USE_SQLITE3  0
-#define USE_LIBCLANG 0
+#define USE_LIBCLANG 1
 
 #define IS_SUPPORTED(x) \
   ((USE_SQLITE3  && strcmp("USE_SQLITE3",(x))==0)  || \

src/tooltip.cpp

+/******************************************************************************
+ *
+ * Copyright (C) 1997-2013 by Dimitri van Heesch.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation under the terms of the GNU General Public License is hereby 
+ * granted. No representations are made about the suitability of this software 
+ * for any purpose. It is provided "as is" without express or implied warranty.
+ * See the GNU General Public License for more details.
+ *
+ * Documents produced by Doxygen are derivative works derived from the
+ * input used in their production; they are not affected by this license.
+ *
+ */
+
+#include <qdict.h>
+
+#include "tooltip.h"
+#include "definition.h"
+#include "outputgen.h"
+#include "util.h"
+#include "filedef.h"
+#include "doxygen.h"
+#include "config.h"
+
+class TooltipManager::Private
+{
+  public:
+    Private() : tooltipInfo(10007) {}
+    QDict<Definition> tooltipInfo;
+};
+
+TooltipManager *TooltipManager::s_theInstance = 0;
+
+TooltipManager::TooltipManager() 
+{
+  p = new Private;
+}
+
+TooltipManager::~TooltipManager()
+{
+  delete p;
+}
+
+TooltipManager *TooltipManager::instance()
+{
+  if (!s_theInstance)
+  {
+    s_theInstance = new TooltipManager;
+  }
+  return s_theInstance;
+}
+
+void TooltipManager::clearTooltips()
+{
+  p->tooltipInfo.clear();
+}
+
+static QCString escapeId(const char *s)
+{
+  QCString res=s;
+  char *p=res.data();
+  while (*p)
+  {
+    if (!isId(*p)) *p='_';
+    p++;
+  }
+  return res;
+}
+
+void TooltipManager::addTooltip(Definition *d)
+{
+  static bool sourceTooltips = Config_getBool("SOURCE_TOOLTIPS");
+  if (!sourceTooltips) return;
+  QCString id = d->getOutputFileBase();
+  int i=id.findRev('/');
+  if (i!=-1)
+  {
+    id = id.right(id.length()-i-1); // strip path (for CREATE_SUBDIRS=YES)
+  }
+  id+=escapeId(Doxygen::htmlFileExtension);
+  QCString anc = d->anchor();
+  if (!anc.isEmpty())
+  {
+    id+="_"+anc;
+  }
+  if (p->tooltipInfo.find(id)==0)
+  {
+    p->tooltipInfo.insert(id,d);
+  }
+}
+
+void TooltipManager::writeTooltips(CodeOutputInterface &ol)
+{
+  QDictIterator<Definition> di(p->tooltipInfo);
+  Definition *d;
+  for (di.toFirst();(d=di.current());++di)
+  {
+    DocLinkInfo docInfo;
+    docInfo.name   = d->qualifiedName();
+    docInfo.ref    = d->getReference();
+    docInfo.url    = d->getOutputFileBase();
+    docInfo.anchor = d->anchor();
+    SourceLinkInfo defInfo;
+    if (d->getBodyDef() && d->getStartBodyLine()!=-1)
+    {
+      defInfo.file    = d->getBodyDef()->name();
+      defInfo.line    = d->getStartBodyLine();
+      defInfo.url     = d->getSourceFileBase();
+      defInfo.anchor  = d->getSourceAnchor();
+    }
+    SourceLinkInfo declInfo; // TODO: fill in...
+    QCString decl;
+    if (d->definitionType()==Definition::TypeMember)
+    {
+      MemberDef *md = (MemberDef*)d;
+      decl = md->declaration();
+      if (!decl.isEmpty() && decl.at(0)=='@') // hide enum values
+      {
+        decl.resize(0);
+      }
+    }
+    ol.writeTooltip(di.currentKey(),                 // id
+                    docInfo,                         // symName
+                    decl,                            // decl
+                    d->briefDescriptionAsTooltip(),  // desc
+                    defInfo,
+                    declInfo
+                   );
+  }
+}
+

src/tooltip.h

+/******************************************************************************
+ *
+ * Copyright (C) 1997-2013 by Dimitri van Heesch.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation under the terms of the GNU General Public License is hereby 
+ * granted. No representations are made about the suitability of this software 
+ * for any purpose. It is provided "as is" without express or implied warranty.
+ * See the GNU General Public License for more details.
+ *
+ * Documents produced by Doxygen are derivative works derived from the
+ * input used in their production; they are not affected by this license.
+ *
+ */
+#ifndef TOOLTIP_H
+#define TOOLTIP_H
+
+class Definition;
+class CodeOutputInterface;
+
+class TooltipManager
+{
+  public:
+    static TooltipManager *instance();
+    void clearTooltips();
+    void addTooltip(Definition *d);
+    void writeTooltips(CodeOutputInterface &ol);
+
+  private:
+    class Private;
+    Private *p;
+    TooltipManager();
+   ~TooltipManager();
+    static TooltipManager *s_theInstance;
+};
+
+#endif

src/vhdlcode.l

@@ -42,6 +42,7 @@
 #include "config.h"
 #include "classdef.h"
 #include "filedef.h"
+#include "tooltip.h"
 
 #define YY_NEVER_INTERACTIVE 1
 #define YY_NO_INPUT 1
@@ -395,10 +396,19 @@ static void codifyLines(const char *text,const char *cl=0,bool classlink=FALSE,b
  * split into multiple links with the same destination, one for each line.
  */
 static void writeMultiLineCodeLink(CodeOutputInterface &ol,
-                  const char *ref,const char *file,
-                  const char *anchor,const char *text,
-		  const char *tooltip)
+                  Definition *d,
+                  const char *text)
 {
+  static bool sourceTooltips = Config_getBool("SOURCE_TOOLTIPS");
+  TooltipManager::instance()->addTooltip(d);
+  QCString ref  = d->getReference();
+  QCString file = d->getOutputFileBase();
+  QCString anchor = d->anchor();
+  QCString tooltip; 
+  if (!sourceTooltips) // fall back to simple "title" tooltips
+  {
+    tooltip = d->briefDescriptionAsTooltip();
+  }
   bool done=FALSE;
   char *p=(char *)text;
   while (!done)
@@ -455,11 +465,7 @@ static void generateFuncLink(CodeOutputInterface &ol,MemberDef* mdef)
 
   if (mdef && mdef->isLinkable()) // is it a linkable class
   {
-    writeMultiLineCodeLink(ol,mdef->getReference(),
-	                      mdef->getOutputFileBase(),
-			      mdef->anchor(),
-			      mdef->name(),
-			      mdef->briefDescriptionAsTooltip());
+    writeMultiLineCodeLink(ol,mdef,mdef->name());
     addToSearchIndex(memberName);
     return;
   }
@@ -496,11 +502,7 @@ static void generateMemLink(CodeOutputInterface &ol,QCString &clName,QCString& m
 
   if (md && md->isLinkable()) // is it a linkable class
   {
-    writeMultiLineCodeLink(ol,md->getReference(),
-	                      md->getOutputFileBase(),
-			      md->anchor(),
-			      memberName,
-			      md->briefDescriptionAsTooltip());
+    writeMultiLineCodeLink(ol,md,memberName);
     addToSearchIndex(memberName);
     return;
   }
@@ -532,11 +534,7 @@ static void generateClassOrGlobalLink(CodeOutputInterface &ol,const char *clName
       //{
       //  temp=VhdlDocGen::getClassName(cd);
       //}
-      writeMultiLineCodeLink(ol,cd->getReference(),
-	                        cd->getOutputFileBase(),
-				cd->anchor(),
-				temp,
-				cd->briefDescriptionAsTooltip());
+      writeMultiLineCodeLink(ol,cd,temp);
       addToSearchIndex(className);
       return;
     }
@@ -1518,6 +1516,7 @@ void parseVhdlCode(CodeOutputInterface &od,const char *className,const QCString
 {
   //printf("***parseCode() exBlock=%d exName=%s fd=%p\n",exBlock,exName,fd);
   if (s.isEmpty()) return;
+  TooltipManager::instance()->clearTooltips();
   if (memberDef)
   {
     ClassDef *dd=memberDef->getClassDef();
@@ -1588,6 +1587,10 @@ void parseVhdlCode(CodeOutputInterface &od,const char *className,const QCString
   {
     endCodeLine();
   }
+  if (fd)
+  {
+    TooltipManager::instance()->writeTooltips(*g_code);
+  }
   if (cleanupSourceDef)
   {
     // delete the temporary file definition used for this example

src/xmlgen.cpp

@@ -257,6 +257,12 @@ class XMLCodeGenerator : public CodeOutputInterface
       writeXMLLink(m_t,ref,file,anchor,name,tooltip);
       col+=qstrlen(name);
     }
+    void writeTooltip(const char *, const DocLinkInfo &, const char *,
+                      const char *, const SourceLinkInfo &, const SourceLinkInfo &
+                     )
+    {
+      XML_DB(("(writeToolTip)\n"));
+    }
     void startCodeLine(bool) 
     {
       XML_DB(("(startCodeLine)\n"));
@@ -299,21 +305,6 @@ class XMLCodeGenerator : public CodeOutputInterface
       m_external.resize(0);
       m_insideCodeLine=FALSE;
     }
-    void startCodeAnchor(const char *id) 
-    {
-      XML_DB(("(startCodeAnchor)\n"));
-      if (m_insideCodeLine && !m_insideSpecialHL && m_normalHLNeedStartTag)
-      {
-        m_t << "<highlight class=\"normal\">";
-        m_normalHLNeedStartTag=FALSE;
-      }
-      m_t << "<anchor id=\"" << id << "\">";
-    }
-    void endCodeAnchor() 
-    {
-      XML_DB(("(endCodeAnchor)\n"));
-      m_t << "</anchor>";
-    }
     void startFontClass(const char *colorClass) 
     {
       XML_DB(("(startFontClass)\n"));

winbuild/Doxygen.vcproj

@@ -3258,6 +3258,10 @@
 				RelativePath="..\src\textdocvisitor.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\src\tooltip.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\src\translator.cpp"
 				>
@@ -4013,6 +4017,10 @@
 				RelativePath="..\src\textdocvisitor.h"
 				>
 			</File>
+			<File
+				RelativePath="..\src\tooltip.h"
+				>
+			</File>
 			<File
 				RelativePath="..\src\translator.h"
 				>