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-rw-r--r--ext/mixed/js/dom.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/ext/mixed/js/dom.js b/ext/mixed/js/dom.js
index 4525dace..4e4d49e3 100644
--- a/ext/mixed/js/dom.js
+++ b/ext/mixed/js/dom.js
@@ -43,4 +43,24 @@ class DOM {
}
return false;
}
+
+ static isMouseButtonPressed(mouseEvent, button) {
+ const mouseEventButton = mouseEvent.button;
+ switch (button) {
+ case 'primary': return mouseEventButton === 0;
+ case 'secondary': return mouseEventButton === 2;
+ case 'auxiliary': return mouseEventButton === 1;
+ default: return false;
+ }
+ }
+
+ static isMouseButtonDown(mouseEvent, button) {
+ const mouseEventButtons = mouseEvent.buttons;
+ switch (button) {
+ case 'primary': return (mouseEventButtons & 0x1) !== 0x0;
+ case 'secondary': return (mouseEventButtons & 0x2) !== 0x0;
+ case 'auxiliary': return (mouseEventButtons & 0x4) !== 0x0;
+ default: return false;
+ }
+ }
}