79664 2012-02-27 06:04:20 -0800 REGRESSION (r98361): Events not delivered to elements transformed in certain ways 2012-05-02 10:36:48 -0700 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Unspecified Unspecified RESOLVED DUPLICATE 79136 InRadar, Regression P2 Normal --- 79136 1 ml shawnsingh ml shawnsingh simon.fraser oldest_to_newest 565601 0 129023 ml 2012-02-27 06:04:20 -0800 Created attachment 129023 Test case In the attached test case, two elements are laid out with a rotation and a translation along the z-axis. That z-axis translation is the opposite of one applied to a parent container element. While both elements are visible on screen, only the bottom one can receive events. A mousedown or touchstart event (depending on platform) is registered on the window to catch all events and show what the event target is. 565606 1 ml 2012-02-27 06:13:49 -0800 <rdar://problem/10937079> 565738 2 simon.fraser 2012-02-27 09:36:10 -0800 Broken by http://trac.webkit.org/changeset/98361/trunk 565750 3 shawnsingh 2012-02-27 09:50:23 -0800 I'm working on a fix for https://bugs.webkit.org/show_bug.cgi?id=79136 Based on Comment #2, I think a fix for 79136 that will also fix this. I'll mark this as a duplicate a few days later after I can verify. 565812 4 simon.fraser 2012-02-27 10:50:31 -0800 This is hit testing in general, not really event handling. 566031 5 simon.fraser 2012-02-27 15:31:36 -0800 The edge-on ".host" element is resulting in a negative w component in TransformationMatrix::projectPoint(), which results in a localPoint of -INT_MAX, -INT_MAX, which causes the hit testing on descendant elements to bail at: if (!clipRect.intersects(hitTestArea)) We need to keep hit-testing descendants even if one edge-on element causes whacky stuff to happen. 614412 6 shawnsingh 2012-05-02 10:36:48 -0700 *** This bug has been marked as a duplicate of bug 79136 *** 129023 2012-02-27 06:04:20 -0800 2012-02-27 06:04:20 -0800 Test case rotated-elements-event.html text/html 2399 ml PGh0bWw+CiAgPGhlYWQ+CiAgICA8dGl0bGU+RXZlbnQgZGlzcGF0Y2ggdG8gcm90YXRlZCBlbGVt ZW50czwvdGl0bGU+CiAgICA8bWV0YSBodHRwLWVxdWl2PSJjb250ZW50LXR5cGUiIGNvbnRlbnQ9 InRleHQvaHRtbDsgY2hhcnNldD11dGYtOCI+CiAgICA8bWV0YSBuYW1lPSJ2aWV3cG9ydCIgY29u dGVudD0id2lkdGg9ZGV2aWNlLXdpZHRoLCBtaW5pbXVtLXNjYWxlPTEuMCwgbWF4aW11bS1zY2Fs ZT0xLjAsIHVzZXItc2NhbGFibGU9bm8iPgogICAgPHN0eWxlIHR5cGU9InRleHQvY3NzIiBtZWRp YT0ic2NyZWVuIj4KICAgICAgCiAgICAgIC5jYXJvdXNlbCB7CiAgICAgICAgLXdlYmtpdC1wZXJz cGVjdGl2ZTogMTAwMDsKICAgICAgICAtd2Via2l0LXBlcnNwZWN0aXZlLW9yaWdpbi14OiAxNDVw eDsKICAgICAgICAvKiByZW1vdmluZyB0aGlzIHByb3BlcnR5IGZpeGVzIHRoZSBpc3N1ZSwgYnV0 IGRvZXNuJ3QgcHJvdmlkZSB0aGUgZGVzaXJlZCByZW5kZXJpbmcgKi8KICAgICAgICAtd2Via2l0 LXBlcnNwZWN0aXZlLW9yaWdpbi15OiAxODlweDsKICAgICAgfQoKICAgICAgLmNhcm91c2VsIC5h bGlnbmVyIHsKICAgICAgICAtd2Via2l0LXRyYW5zZm9ybS1zdHlsZTogcHJlc2VydmUtM2Q7CiAg ICAgICAgLXdlYmtpdC10cmFuc2Zvcm06IHRyYW5zbGF0ZVooLTIwMHB4KTsKICAgICAgfQoKICAg ICAgLmNhcm91c2VsIC5ob3N0IHsKICAgICAgICBwb3NpdGlvbjogYWJzb2x1dGU7CiAgICAgICAg bGVmdDogMHB4OwogICAgICAgIHRvcDogMTg5cHg7CgogICAgICAgIC13ZWJraXQtdHJhbnNmb3Jt LXN0eWxlOiBwcmVzZXJ2ZS0zZDsKICAgICAgfQoKICAgICAgLmNhcm91c2VsIC5ob3N0ID4gZGl2 IHsKICAgICAgICBwb3NpdGlvbjogYWJzb2x1dGU7CiAgICAgICAgdG9wOiAtNTVweDsKICAgICAg ICBsZWZ0OiAwcHg7CiAgICAgICAgd2lkdGg6IDMwMHB4OwogICAgICAgIGhlaWdodDogMTEwcHg7 IAoKICAgICAgICBwYWRkaW5nLXRvcDogNDRweDsKICAgICAgICBwYWRkaW5nLWxlZnQ6IDIwcHg7 CiAgICAgICAgY29sb3I6IHdoaXRlOwogICAgICAgIGZvbnQtc2l6ZTogMjBweDsKICAgICAgICBm b250LWZhbWlseTogSGVsdmV0aWNhOwogICAgICAgIHRleHQtYWxpZ246IGNlbnRlcjsKCiAgICAg ICAgLXdlYmtpdC1ib3JkZXItcmFkaXVzOiA1cHg7CiAgICAgICAgLXdlYmtpdC1ib3gtc2l6aW5n OiBib3JkZXItYm94OwogICAgICAgIGJhY2tncm91bmQtY29sb3I6IHJnYig0MCw0MCw0MCk7CiAg ICAgIH0KCiAgICA8L3N0eWxlPgogICAgPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiIGNo YXJzZXQ9InV0Zi04Ij4KCiAgICAgIHdpbmRvdy5hZGRFdmVudExpc3RlbmVyKCdET01Db250ZW50 TG9hZGVkJywgZnVuY3Rpb24gKCkgewogICAgICAgIC8vIGZpZ3VyZSBvdXQgd2hhdCBldmVudCB3 ZSB3YW50IHRvIGxpc3RlbiB0byBkZXBlbmRpbmcgb24gcGxhdGZvcm0gY2FwYWJpbGl0eQogICAg ICAgIHZhciBldmVudF90eXBlID0gKCdjcmVhdGVUb3VjaCcgaW4gZG9jdW1lbnQpID8gJ3RvdWNo c3RhcnQnIDogJ21vdXNlZG93bic7CiAgICAgICAgLy8gYWRkIHRoZSBldmVudCBsaXN0ZW5lcgog ICAgICAgIHdpbmRvdy5hZGRFdmVudExpc3RlbmVyKGV2ZW50X3R5cGUsIGZ1bmN0aW9uIChldmVu dCkgewogICAgICAgICAgLy8gZXZlbnQgaGFwcGVuZCBvbiB0aGUgPGJvZHk+CiAgICAgICAgICBp ZiAoZXZlbnQudGFyZ2V0ID09PSBkb2N1bWVudC5ib2R5KSB7CiAgICAgICAgICAgIGFsZXJ0KCdn b3QgZXZlbnQgb24gPGJvZHk+Jyk7CiAgICAgICAgICB9CiAgICAgICAgICAvLyBldmVudCB3YXMg dHJpZ2dlcmVkIGluIGNvbnRlbnQKICAgICAgICAgIGVsc2UgewogICAgICAgICAgICBhbGVydCgn Z290IGV2ZW50IG9uICcgKyBldmVudC50YXJnZXQuaW5uZXJUZXh0KTsKICAgICAgICAgIH0KICAg ICAgICB9LCBmYWxzZSk7CiAgICAgIH0sIGZhbHNlKTsKCiAgICA8L3NjcmlwdD4KICA8L2hlYWQ+ CgogIDxib2R5PgogIAogICAgPGRpdiBjbGFzcz0iY2Fyb3VzZWwiPgogICAgICA8ZGl2IGNsYXNz PSJhbGlnbmVyIj4KICAgICAgICA8ZGl2IGNsYXNzPSJob3N0IiBzdHlsZT0iLXdlYmtpdC10cmFu c2Zvcm06IHJvdGF0ZTNkKDEsIDAsIDAsIDI3MGRlZykiPgogICAgICAgICAgPGRpdiBzdHlsZT0i LXdlYmtpdC10cmFuc2Zvcm06IHJvdGF0ZTNkKDEsIDAsIDAsIC0yNDBkZWcpIHRyYW5zbGF0ZVoo MjAwcHgpIj5Ub3A8L2Rpdj4KICAgICAgICAgIDxkaXYgc3R5bGU9Ii13ZWJraXQtdHJhbnNmb3Jt OiByb3RhdGUzZCgxLCAwLCAwLCAtMzAwZGVnKSB0cmFuc2xhdGVaKDIwMHB4KSI+Qm90dG9tPC9k aXY+CiAgICAgICAgPC9kaXY+CiAgICAgIDwvZGl2PgogICAgPC9kaXY+CgogIDwvYm9keT4KPC9o dG1sPgo=