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Is there a way to disable automatic display of the context menu? #21221
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When I read long PDF documents, I used to highlight text to help me keep my place. With the built-in viewer, every time I highlight text, a context menu pops up that covers part of the surrounding text. This context menu can only be closed by clicking somewhere else in the text, which, in turn, causes my highlight to disappear immediately. This behavior may make a lot of sense for many users who add comments to PDFs, highlight text, and do similar things, but for me, it’s a real drawback in terms of usability. Is there a way to configure that the context menu doesn't appear automatically? If not:
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In Firefox's built-in PDF viewer (powered by PDF.js), the popup toolbar that appears upon selecting or highlighting text can be disabled via about:config. Disabling the Selection Context Menu Accept the warning prompt ("Accept the Risk and Continue"). Search for the following preference:
Double-click the entry or click the toggle button on the right to switch its value from true to false. Refresh or reopen your PDF tab for the changes to take effect. Once set to false, highlighting text with the cursor will no longer trigger the floating annotation/highlight menu, allowing normal text selection without covering surrounding content. Regarding Issue Status Opening a New Issue: Since the about:config preference already exists as a toggle, opening a new issue on the PDF.js GitHub repository is generally unnecessary unless proposing a UI toggle within the main settings menu. |
In Firefox's built-in PDF viewer (powered by PDF.js), the popup toolbar that appears upon selecting or highlighting text can be disabled via about:config.
Disabling the Selection Context Menu
Open Firefox and type about:config in the address bar.
Accept the warning prompt ("Accept the Risk and Continue").
Search for the following preference:
pdfjs.enableHighlightFloatingButtonDouble-click the entry or click the toggle button on the right to switch its value from true to false.
Refresh or reopen your PDF tab for the changes to take effect.
Once set to false, highlighting text with the cursor will no longer trigger the floating annotation/highlight menu, allowing normal text selection with…