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منتدى الدعم

Pressing ctrl key on the keyboard prevents mouseUp events from happening

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We are using react and listening to mouse events (up, down, move...). While dragging with the mouse (So mouse down and then mouse move) if we press the control key on a Mac keyboard and then release the mouse, the "mouseUp" event is not fired.

We are using react and listening to mouse events (up, down, move...). While dragging with the mouse (So mouse down and then mouse move) if we press the control key on a Mac keyboard and then release the mouse, the "mouseUp" event is not fired.

Chosen solution

I'm sorry this is no bug from Firefox, the issue was that we were only listening to the left mouse button (so mouseEvent.button = 0) while once we press ctrl key, the mouseUp event will get a button code 2. I'm closing this issue

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Additional System Details

Installed Plug-ins

  • Shockwave Flash 32.0 r0

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Firefox/68.0

More Information

Eve
  • Top 25 Contributor
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72 solutions 423 answers

ردّ مُفيد

This is probably worth submitting to bugzilla as a bug, I didn't see anything like it when I looked:

https://bugzilla.mozilla.org

This is probably worth submitting to bugzilla as a bug, I didn't see anything like it when I looked: https://bugzilla.mozilla.org
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صاحب السؤال

Thank you I just submitted it there https://bugzilla.mozilla.org/show_bug.cgi?id=1614951

Thank you I just submitted it there https://bugzilla.mozilla.org/show_bug.cgi?id=1614951
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cor-el
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17876 solutions 161748 answers

You could provide more detail in the bug report as you didn't mention using React or possibly add a test page to the bug report. Someone needs to be able to reproduce this issue.

I'm curious why you are pressing the Ctrl key.

Is the Ctrl key the only modifier key that gives problems ?

You could provide more detail in the bug report as you didn't mention using React or possibly add a test page to the bug report. Someone needs to be able to reproduce this issue. I'm curious why you are pressing the Ctrl key. Is the Ctrl key the only modifier key that gives problems ?
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صاحب السؤال

Yes it's only the ctrl key that causes this. We are using the press on this key to modify the drag behaviour. Example: moving an element in the canvas with the drag would snap to some certain grid, and if you press the ctrl key while doing that then we skip the snapping. I cannot really provide a test page but you're right I will mention that we're using react.

Yes it's only the ctrl key that causes this. We are using the press on this key to modify the drag behaviour. Example: moving an element in the canvas with the drag would snap to some certain grid, and if you press the ctrl key while doing that then we skip the snapping. I cannot really provide a test page but you're right I will mention that we're using react.
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Chosen Solution

I'm sorry this is no bug from Firefox, the issue was that we were only listening to the left mouse button (so mouseEvent.button = 0) while once we press ctrl key, the mouseUp event will get a button code 2. I'm closing this issue

I'm sorry this is no bug from Firefox, the issue was that we were only listening to the left mouse button (so mouseEvent.button = 0) while once we press ctrl key, the mouseUp event will get a button code 2. I'm closing this issue
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