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build: include a workaround for VTE only when using an older libvte

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Checking for the actual version of libvte is too complicated, so
assume that libvte is 0.58 or newer (where the problem is fixed)
when ncurses is 6.2 or newer.
This commit is contained in:
Benno Schulenberg 2020-11-26 14:25:16 +01:00
parent 39705c60df
commit 0c87a4ba41
1 changed files with 7 additions and 0 deletions
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7
src/winio.c
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@ -37,6 +37,11 @@
#define BRANDING PACKAGE_STRING
#endif
/* When having an older ncurses, then most likely libvte is older too. */
#if defined(NCURSES_VERSION_PATCH) && (NCURSES_VERSION_PATCH < 20200212)
#define USING_OLDER_LIBVTE yes
#endif
static int *key_buffer = NULL;
/* A buffer for the keystrokes that haven't been handled yet. */
static size_t key_buffer_len = 0;
@ -2601,6 +2606,7 @@ void draw_row(int row, const char *converted, linestruct *line, size_t from_col)
if (*(converted + target_x) != '\0') {
charlen = collect_char(converted + target_x, striped_char);
target_column = wideness(converted, target_x);
#ifdef USING_OLDER_LIBVTE
} else if (target_column + 1 == editwincols) {
/* Defeat a VTE bug -- see https://sv.gnu.org/bugs/?55896. */
#ifdef ENABLE_UTF8
@ -2611,6 +2617,7 @@ void draw_row(int row, const char *converted, linestruct *line, size_t from_col)
} else
#endif
striped_char[0] = '.';
#endif
} else
striped_char[0] = ' ';