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--></style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div>I like that theory, thanks. Is it possible to make/assign a template image in Java?</div><div><br /></div><div>Glancing around just now didn’t turn up any leads. Specifically:</div><div><br /></div><div>In CTrayIcon#updateNativeImage(Image), we call:</div><div>CImage.getCreator().createFromImage(image, observer)</div><div><br /></div><div>… and that method appears to convert ‘image’ (a java.awt.Image) into a TYPE_INT_ARGB_PRE formatted int array. The word “template” isn’t in the CImage class at all. So even if I had the imagePtr I don’t see how I can toggle the template attribute.</div><div><br /></div><div>Regards,</div><div> - Jeremy</div>
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<div>------ Original Message ------</div>
<div>From "Alan Snyder" <<a href="mailto:javalists@cbfiddle.com">javalists@cbfiddle.com</a>></div>
<div>To "Jeremy Wood" <<a href="mailto:mickleness@gmail.com">mickleness@gmail.com</a>></div>
<div>Cc "<a href="mailto:client-libs-dev@openjdk.org">client-libs-dev@openjdk.org</a>" <<a href="mailto:client-libs-dev@openjdk.org">client-libs-dev@openjdk.org</a>></div>
<div>Date 8/10/2022 8:25:11 AM</div>
<div>Subject Re: Mac Tray Icon Question</div><div><br /></div>
<div id="x0cf643a2a86446f" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><blockquote cite="A481B3B7-1AEC-4B5C-AEF9-92C41F5E8A63@cbfiddle.com" type="cite" class="cite2">
I suspect the images that work are template images, rather than pairs of images.<div class=""><br class="" /></div><div class="">See <a href="https://developer.apple.com/documentation/appkit/nsimage/1520017-template" class="">https://developer.apple.com/documentation/appkit/nsimage/1520017-template</a><br class="" /><div class=""><br class="" /></div><div class=""><br class="" /><div><br class="" /><blockquote type="cite" class=""><div class="">On Aug 9, 2022, at 7:12 PM, Jeremy Wood <<a href="mailto:mickleness@gmail.com" class="">mickleness@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline" /><div class=""><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">On Macs the tray can present black or white icons, depending on the color of the desktop underneath the menubar.</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">For example:<br class="" /><div class=""><br class="" /></div><div class=""><span id="cid:em82f189d9-daf5-41df-8455-8453732743c6@573fd4be.com"><galpmnvf.png></span></div></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span id="cid:em181f3563-7c90-4e34-9d25-90ace397f75f@573fd4be.com"><qtqoidmn.png></span></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Most icons switch from a black icon to a white icon as needed. A few 3rd party app icons do not switch to a white icon against the black background (for ex: Evernote). And interestingly: Apple’s Airdrop icon (the concentric circles shaped like a sideways pacman) also appears to do the wrong thing too.</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Is there a way in a Java desktop app to set up a tray icon that can toggle between white and black icons as needed?</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Obviously we’d love it if this “just worked” without further intervention by inverting our icon, but we’d also be happy if a solution involved adding a PropertyChangeListener somewhere to identify the menubar change and we could update the tray icons ourselves.</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">For ex:</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">If I change the highlight/accent color (in “System Preferences -> General”), then 8 UIManager Colors change (including “textHighlight”, “Button.light”, etc.) as of JDK 18. As far as I can tell: there is no similar model to identify when the menubar changes colors.</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">For now we’ve made a work-around by using the Robot class to grab a pixel from the Apple menu icon every few seconds to determine if it’s light or dark.</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Is there an existing way to resolve this we don’t know about?</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Or if not: is anyone reading this with “author” status interested in helping write this up as an openjdk bug?</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="" /></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Regards,</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""> - Jeremy</div></div></blockquote></div><br class="" /></div></div></blockquote></div>
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