Feature: Add language-switch toolbar button and bilingual dialog

Add a 15th toolbar button "Lang/语言" after the Help button so Chinese
readers can switch language without knowing English; it opens the existing
language-select dialog. The dialog title is now bilingual ("切换语言 /
Switch Language") and its label/buttons use Chinese source strings
("语言:", "确定", "取消"), which still localize to en/de via
TranslateDialog. The toolbar bitmap is extended with a globe icon.

Co-Authored-By: deepseek-v4-pro
This commit is contained in:
yuanyuanxianganddeepseek-v4-pro committed 2026-09-08 16:34:45 +02:00
1 parent 91238da50d
commit 0416dadbba
4 files changed
+10 -9

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