Ur/Web: tests/event.ur annotate

Explain how to signal an error in a commit handler

author	Adam Chlipala <adam@chlipala.net>
date	Tue, 31 May 2011 09:14:03 -0400
parents	ae9e22822ec5
children

rev	line source
adamc@894	1 fun main () =
adamc@894	2 s <- source "";
adamc@894	3 return <xml><body onresize={set s "Resize"}>
adamc@894	4 <button onblur={set s "Blur 1"} onfocus={set s "Focus 1"} onclick={set s "Click 1"}/>
adamc@894	5 <button onblur={set s "Blur 2"} onfocus={set s "Focus 2"} onclick={set s "Click 2"}/>
adamc@894	6 <span onclick={set s "Click"} ondblclick={set s "Double-click"}>SPAN</span>
adamc@894	7 <span onmousedown={set s "Mouse down"} onmouseup={set s "Mouse up"}>SPAN</span>
adamc@894	8 <span onmouseout={set s "Mouse out"} onmouseover={set s "Mouse over"}>SPAN</span>
adamc@894	9 <span onmousemove={set s "Mouse move"}>SPAN</span>
adamc@895	10 <button onkeydown={fn k => set s ("Key down: " ^ show k)} onkeyup={fn _ => set s "Key up"}/>
adamc@895	11 <button onkeypress={fn _ => set s "Key press"}/>
adamc@894	12 <br/>
adamc@894	13 <br/>
adamc@894	14
adamc@894	15 <dyn signal={s <- signal s; return <xml>{[s]}</xml>}/>
adamc@894	16 </body></xml>

Mercurial > urweb