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When using ECB, the lines for function names are often long and get cut-off in the sidebar:

enter image description here

Is there a way to show the full line that the cursor is at in the mini buffer when it is cut off due to its window not being wide enough?

  • Show it in the mode-line, not the echo area (same screen space as the minibuffer, which is for input). – Drew Dec 29 '16 at 0:50
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For the specific case of ECB, I solved this by realizing that on mouse hover over the method in ECB's methods buffer, a tooltip is shown with the full function definition. I then put this into my ~/.emacs.d/init.el file:

;; show tooltips in echo area
(tooltip-mode -1)
(setq tooltip-use-echo-area t)
(global-set-key (kbd "C-x t") 'display-local-help) ;; show tooltip

Now, putting the point over a cut-off function in ECB's methods area and pressing C-x t shows the full function in the echo area, as I wanted:

enter image description here

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