Menubar -> Tools -> Language -> Hyphenate
writer no checkbox
should be consistent. I prefer no checkbox like in writer.
Hyphenate in Writer calls FN_HYPHENATE_OPT_DLG starting the function HyphenateDocument() and in Calc SID_ENABLE_HYPHENATION that calls pTabViewShell->ExecuteCellFormatDlg(rReq, "alignment") (Format Cells dialog at alignment tab), where you can switch on hyphenation when text is wrapped. However, if the option switched on for the cell it doesn't toggle the menu item.
The hyphenation is not defined for Impress/Draw.
I agree with Andreas and we should make the menu entry a non-toggle item in Calc. And remove it from all other modules. Likely a simple hack.
Created attachment 152820 [details]
Textbox with text and hyphenation in German
Hyphenation works in Draw/Impress. Of cause you need the dictionary installed and you should try with German, which has so much long words. Try this: Write a longer text in Writer with style "text body" and German language, but no hyphenation. Copy the text and insert it in Draw into a new text box. Goto Tools > Language and enable Hyphenation. Change the width of the text box and you will see the hyphenation.
It works but toggles the menu. This request is about having it an ordinary command like in Writer.