diff options
Diffstat (limited to 'src/library_browser.js')
| -rw-r--r-- | src/library_browser.js | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/library_browser.js b/src/library_browser.js index 57fe1f9f..fce7bdd5 100644 --- a/src/library_browser.js +++ b/src/library_browser.js @@ -478,7 +478,21 @@ mergeInto(LibraryManager.library, { }, getMouseWheelDelta: function(event) { - return Math.max(-1, Math.min(1, event.type === 'DOMMouseScroll' ? event.detail : -event.wheelDelta)); + var delta = 0; + switch (event.type) { + case 'DOMMouseScroll': + delta = event.detail; + break; + case 'mousewheel': + delta = -event.wheelDelta; + break; + case 'wheel': + delta = event.deltaY; + break; + default: + throw 'unrecognized mouse wheel event: ' + event.type; + } + return Math.max(-1, Math.min(1, delta)); }, mouseX: 0, |