HTML `& quot; ` entity in Qt designer UI file causes translation to not be used

Alvin Wong alvin at alvinhc.com
Thu Jun 24 15:19:23 BST 2021


Hi,

Some of the formatting have been mixed up. Please check 
https://invent.kde.org/-/snippets/1730 for a clearer version of the message.

Best Regards,

Alvin Wong

Alvin Wong 於 24/6/2021 22:06 寫道:
> Hi,
>
> When I was checking the translations for Krita, I noticed some UI 
> items not using the translation even though they are available and 
> translated in the PO files. On further investigation I found out it is 
> due to the HTML """ entity in the strings.
>
> For example, the string in 
> `libs/ui/forms/wdgperformancesettings.ui:552`[1] contains 
> `"`, which is output as `"` inside a string literal by 
> `uic`. The full line in the generated header file is as follows:
>
> chkTransformToolForceLodMode->setToolTip(tr2i18n("<html><head/><body><p>The 
> transform tool preview will always use instant preview, even if 
> instant preview is disabled in the "View" 
> menu</p></body></html>", nullptr));
>
> In the PO file [2] however, the extracted string looks like this:
>
>     #. i18n: ectx: property (toolTip), widget (QCheckBox, 
> chkTransformToolForceLodMode)
>     #: libs/ui/forms/wdgperformancesettings.ui:552
>     #, kde-format
>     msgid ""
>     "<html><head/><body><p>The transform tool preview will always use 
> instant "
>     "preview, even if instant preview is disabled in the \"View\" 
> menu</p></"
>     "body></html>"
>     msgstr ""
> "<html><head/><body><p>強制變形工具使用即時預覽,無視「顯示」選單中停用即時預" 
>
>     "覽的設定</p></body></html>"
>
> Notice that the double-escaped `&quot;` gets transformed into `"` 
> (double quote) instead of `"`, making the string not match and 
> causing the translation to not be used. Indeed, if I replace the 
> `&quot;` in the UI file with just `"` (double quote), the 
> translated string shows up properly.
>
> We use the Qt designer tool and I believe that the entity `&quot;` 
> is generated by said tool. Shall we be manually replacing these 
> entities in our UI files, or is it a bug in the POT extraction process 
> that needs fixing?
>
> Best Regards,
>
> Alvin Wong
>
> [1]: 
> https://invent.kde.org/graphics/krita/-/blob/eb72dd1b857e1daf7316175dec5d7738b00aef23/libs/ui/forms/wdgperformancesettings.ui#L552
> [2]: 
> https://websvn.kde.org/*checkout*/trunk/l10n-kf5/zh_TW/messages/krita/krita.po?revision=1603060&content-type=text%2Fplain
>


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