Mercurial > vim
view src/libvterm/src/utf8.h @ 21114:d0265fdadec9 v8.2.1108
patch 8.2.1108: mouse left-right scroll is not supported in terminal window
Commit: https://github.com/vim/vim/commit/d58d4f90aeb381045000ea46493b5bd9b9d1fa23
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Jul 1 15:49:29 2020 +0200
patch 8.2.1108: mouse left-right scroll is not supported in terminal window
Problem: Mouse left-right scroll is not supported in terminal window.
Solution: Implement mouse codes 6 and 7. (Trygve Aaberge, closes https://github.com/vim/vim/issues/6363)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Wed, 01 Jul 2020 16:00:05 +0200 |
parents | a4652d7ec99f |
children |
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/* The following functions copied and adapted from libtermkey * * http://www.leonerd.org.uk/code/libtermkey/ */ unsigned int utf8_seqlen(long codepoint); #if defined(DEFINE_INLINES) || USE_INLINE INLINE unsigned int utf8_seqlen(long codepoint) { if(codepoint < 0x0000080) return 1; if(codepoint < 0x0000800) return 2; if(codepoint < 0x0010000) return 3; if(codepoint < 0x0200000) return 4; if(codepoint < 0x4000000) return 5; return 6; } #endif /* Does NOT NUL-terminate the buffer */ int fill_utf8(long codepoint, char *str); #if defined(DEFINE_INLINES) || USE_INLINE INLINE int fill_utf8(long codepoint, char *str) { int nbytes = utf8_seqlen(codepoint); // This is easier done backwards int b = nbytes; while(b > 1) { b--; str[b] = 0x80 | (codepoint & 0x3f); codepoint >>= 6; } switch(nbytes) { case 1: str[0] = (codepoint & 0x7f); break; case 2: str[0] = 0xc0 | (codepoint & 0x1f); break; case 3: str[0] = 0xe0 | (codepoint & 0x0f); break; case 4: str[0] = 0xf0 | (codepoint & 0x07); break; case 5: str[0] = 0xf8 | (codepoint & 0x03); break; case 6: str[0] = 0xfc | (codepoint & 0x01); break; } return nbytes; } #endif /* end copy */