I realize there's a bit of a language barrier, but let me see if I understand you. Are you saying you'd like the popup menu to open on perhaps a longer right or left-click with no text selected, and use the popup menu as a bookmark menu? Interesting idea.

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If you could explain with a bit more detail, I'd be happy to look into it. I couldn't get the behavior you're describing. If you meant left-click, I am seeing the quick menu open while dragging. I'll look to correct that. Which button is your primary mouse button for clicking links, dragging, etc? Left or Right?

(edit) Try 1.0.7.2rc here https://addons.mozilla.org/en-US/firefox/addon/contextsearch-web-ext/versions/1.0.7.2rc. I've added some code to cancel the popup when dragging.

(edit2) Quick Menu disabled during drag events 1.0.8+