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As Keyman now monitors the Windows keyboard list from Control Panel, it is no longer sufficient to refresh the toolbar only when a Keyman keyboard is updated, as at that point Windows has not refreshed its own language list in the registry. Instead, we need to monitor changes to the relevant registry key and then refresh when those changes are 'complete'. There is a problem: there does not appear to be a good way to monitor for changes to Windows language settings. WM_SETTINGCHANGE is sent when a language is added by the user in Settings, but the actual change happens asynchronously, and we are not notified when the changes are complete. We also do not get notifications when languages are added via APIs. Given the async nature of the language profile changes, this leads to race conditions when we try to refresh the OSK toolbar. My preferred solution currently is to monitor the relevant key in a separate thread, and wait 1 second post-changes to actually do the refresh. |
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| .. | ||
| LangSwitchManager.pas | ||
| langswitchmanager.rc | ||
| langswitchmanager.res | ||
| LoadIndirectStringUnit.pas | ||
| UfrmLanguageSwitch.dfm | ||
| UfrmLanguageSwitch.pas | ||
| winkeyboard.bmp | ||
