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Win32TTY: Fix using a console font with wide glyphs

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Added support to detect when the current console font has glyphs
that are too wide and will cause rendering errors in the console.
If detected, we warn the user and change the code page to 437
and the font to Consolas. At exit, if we had changed the font
and code page then we will restore to the original font and code page.
This commit is contained in:
Bart House
2017-10-21 13:41:29 -07:00
committed by Pasi Kallinen
parent 3d2e59ecec
commit 6322aec829
3 changed files with 232 additions and 35 deletions
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include/rm.h
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@@ -300,6 +300,8 @@ extern const struct symdef defsyms[MAXPCHARS]; /* defaults */
extern const struct symdef def_warnsyms[WARNCOUNT];
extern int currentgraphics; /* from drawing.c */
extern nhsym showsyms[];
extern nhsym l_syms[];
extern nhsym r_syms[];
extern struct symsetentry symset[NUM_GRAPHICS]; /* from drawing.c */
#define SYMHANDLING(ht) (symset[currentgraphics].handling == (ht))