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Solomon Peachy d05c59f35b internals: Support characters beyond the first unicode plane (WIP)
We used 16-bit variables to store the 'character code' everywhere but
this won't let us represent anything beyond U+FFFF.

This patch changes those variables to a custom type that can be 32 or 16
bits depending on the build, and adjusts numerous internal APIs and
datastructures to match.  This includes:

 * utf8decode() and friends
 * on-screen keyboard
 * font manipulation, caching, rendering, and generation
 * VFAT code parses and generates utf16 dirents
 * WIN32 simulator reads and writes utf16 filenames

Note that this patch doesn't _enable_ >16bit unicode support; a followup
patch will turn that on for appropriate targets.

Known bugs:

  * Native players in 32-bit unicode mode generate mangled filename
    entries if they include UTF16 surrogate codepoints.  Root cause
    is unclear, and may reside in core dircache code.

Needs testing on:

 * windows simulator (16bit+32bit)

Change-Id: I193a00fe2a11a4181ddc82df2d71be52bf00b6e6
2025-08-20 16:08:43 -04:00
..
keyboard.c internals: Support characters beyond the first unicode plane (WIP) 2025-08-20 16:08:43 -04:00
notification.c Fix red for Android builds (c6ee9dc883) 2022-10-17 15:20:28 +01:00
notification.h RaaA: move Android apps-code to separate dir under apps/hosted 2011-03-11 15:45:44 +00:00
yesno.c fix red f3d127f372 2025-05-27 05:46:19 +02:00