8000 Add missing spacer in tk toolmanager toolbar. by anntzer · Pull Request #26128 · matplotlib/matplotlib · GitHub
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Add missing spacer in tk toolmanager toolbar. #26128

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Merged
merged 1 commit into from
Jun 15, 2023
Merged

Add missing spacer in tk toolmanager toolbar. #26128

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7 changes: 7 additions & 0 deletions lib/matplotlib/backends/_backend_tk.py
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Original file line number Diff line number Diff line change
Expand Up @@ -972,6 +972,13 @@ def __init__(self, toolmanager, window=None):
width=int(width), height=int(height),
borderwidth=2)
self._label_font = tkinter.font.Font(size=10)
# This filler item ensures the toolbar is always at least two text
# lines high. Otherwise the canvas gets redrawn as the mouse hovers
# over images because those use two-line messages which resize the
# toolbar.
label = tk.Label(master=self, font=self._label_font,
text='\N{NO-BREAK SPACE}\n\N{NO-BREAK SPACE}')
label.pack(side=tk.RIGHT)
self._message = tk.StringVar(master=self)
self._message_label = tk.Label(master=self, font=self._label_font,
textvariable=self._message)
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