Made it so clicking outside a popup cancels the popup

Clicking inside still doesn't cancel it, though

core/modules/macros/button.js

@@ -20,7 +20,7 @@ exports.info = {
 		qualifyTiddlerTitles: {byName: true, type: "text"},
 		"class": {byName: true, type: "text"}
 	},
-	events: ["click"]
+	events: ["click", "tw-cancel-popup"]
 };
 
 exports.dispatchMessage = function(event) {
@@ -30,7 +30,7 @@ exports.dispatchMessage = function(event) {
 	event.target.dispatchEvent(buttonEvent);
 };
 
-exports.triggerPopup = function(event) {
+exports.triggerPopup = function(event,cancel) {
 	// Get the title of the popup state tiddler
 	var title = this.params.popup;
 	if(this.hasParameter("qualifyTiddlerTitles") && this.params.qualifyTiddlerTitles === "yes") {
@@ -39,6 +39,10 @@ exports.triggerPopup = function(event) {
 	// Get the popup state tiddler and the the text value
 	var tiddler = this.wiki.getTiddler(title),
 		value = tiddler ? tiddler.fields.text : "";
+	// Check for cancelling
+	if(cancel) {
+		value = "";
+	} else {
 		// Check if the popup is open by checking whether it matches "(<x>,<y>)"
 	    var popupLocationRegExp = /^\((-?[0-9\.E]+),(-?[0-9\.E]+),(-?[0-9\.E]+),(-?[0-9\.E]+)\)$/;
 		if(popupLocationRegExp.test(value)) {
@@ -47,28 +51,35 @@ exports.triggerPopup = function(event) {
 			// Set the position if we're opening it
 			value = "(" + this.domNode.offsetLeft + "," + this.domNode.offsetTop + "," + this.domNode.offsetWidth + "," + this.domNode.offsetHeight + ")";
 		}
+	}
 	// Update the state tiddler
 	this.wiki.addTiddler(new $tw.Tiddler(tiddler,{title: title, text: value}),true);
 };
 
 exports.handleEvent = function(event) {
-	if(event.type === "click") {
+	switch(event.type) {
+		case "click":
 			if(this.hasParameter("message")) {
 				this.dispatchMessage(event);
 			}
 			if(this.hasParameter("popup")) {
-			this.triggerPopup();
+				this.triggerPopup(event);
 			}
 			event.preventDefault();
 			return false;
+		case "tw-cancel-popup":
+			if(this.hasParameter("popup") && event.targetOfCancel !== this.domNode) {
+				this.triggerPopup(event,true);
+			}
+			break;
 	}
 	return true;
 };
 
 exports.executeMacro = function() {
-	var attributes = {};
+	var attributes = {"class": ["tw-popup-controller"]};
 	if(this.hasParameter("class")) {
-		attributes["class"] = this.params["class"].split(" ");
+		$tw.utils.pushTop(attributes["class"],this.params["class"].split(" "));
 	}
 	if(this.classes) {
 		$tw.utils.pushTop(attributes["class"],this.classes);

core/modules/macros/reveal.js

@@ -71,7 +71,7 @@ exports.executeMacro = function() {
 	this.readState();
 	var attributes = {
 		"class": ["tw-reveal"],
-		style: {position: "absolute"}
+		style: {}
 	};
 	if(this.hasParameter("class")) {
 		attributes["class"].push(this.params["class"]);
@@ -79,6 +79,12 @@ exports.executeMacro = function() {
 	if(this.classes) {
 		$tw.utils.pushTop(attributes["class"],this.classes);
 	}
+	switch(this.params.type) {
+		case "popup":
+			attributes.style.position = "absolute";
+			attributes["class"].push("tw-popup");
+			break;
+	}
 	attributes.style = {display: this.isOpen ? "block" : "none"};
 	var child = $tw.Tree.Element("div",attributes,this.isOpen ? this.content : []);
 	child.execute(this.parents,this.tiddlerTitle);
@@ -115,7 +121,7 @@ exports.refreshInDom = function(changes) {
 		case "popup":
 			if(this.isOpen) {
 				this.child.domNode.style.position = "absolute";
-				this.child.domNode.style.zIndex = "3000";
+				this.child.domNode.style.zIndex = "1000";
 				switch(this.params.position) {
 					case "left":
 						this.child.domNode.style.left = (this.popup.left - this.child.domNode.offsetWidth) + "px";

core/modules/startup.js

@@ -48,6 +48,28 @@ exports.startup = function() {
 	$tw.Commander.initCommands();
 	// Host-specific startup
 	if($tw.browser) {
+		// Install the popup zapper
+		document.body.addEventListener("click",function(event) {
+			// Is the click within a popup?
+			var inPopup = false,
+				e = event.target;
+			while(e !== document) {
+				if($tw.utils.hasClass(e,"tw-popup")) {
+					inPopup = true;
+				}
+				e = e.parentNode;
+			}
+			// If we're not in a popup, then send out an event to cancel all popups
+			if(!inPopup) {
+				var cancelPopupEvent = document.createEvent("Event");
+				cancelPopupEvent.initEvent("tw-cancel-popup",true,true);
+				cancelPopupEvent.targetOfCancel = event.target;
+				var controllers = document.querySelectorAll(".tw-popup-controller");
+				for(var t=0; t<controllers.length; t++) {
+					controllers[t].dispatchEvent(cancelPopupEvent);
+				}
+			}
+		});
 		// Display the PageTemplate
 		var template = "$:/templates/PageTemplate",
 			renderer = $tw.wiki.parseTiddler(template);