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-rw-r--r--dist/js/pdf-view.js8
1 files changed, 8 insertions, 0 deletions
diff --git a/dist/js/pdf-view.js b/dist/js/pdf-view.js
index 3c39ba73..7fd6567e 100644
--- a/dist/js/pdf-view.js
+++ b/dist/js/pdf-view.js
@@ -88,6 +88,14 @@ document.getElementById('canvas-right').addEventListener('click', onNextPage);
document.getElementById('canvas-left').style.display = 'block';
document.getElementById('canvas-right').style.display = 'block';
+
+function onMouseDown(event) {
+ event.preventDefault();
+}
+
+document.getElementById('canvas-left').addEventListener('mousedown', onMouseDown);
+document.getElementById('canvas-right').addEventListener('mousedown', onMouseDown);
+
/**
* Asynchronously downloads PDF.
*/