Fix for wide character being incorrectly cleared on MODE_INSERT
Under insert mode, when inserting a normal character in front of a wide character, the affected region is shifted to the right by one cell. However, the empty cell is reset as if being a part of a wide character, causing the following cell being mishandled as a dummy cell. To reproduce the bug: printf '\033[4h' # set MODE_INSERT printf 妳好 printf '\033[4D' printf 'x' printf '\033[4l\n'
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211964d56e
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3a6d6d7401
4
st.c
4
st.c
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@ -2471,8 +2471,10 @@ check_control_code:
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gp = &term.line[term.c.y][term.c.x];
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}
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if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
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if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) {
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memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
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gp->mode &= ~ATTR_WIDE;
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}
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if (term.c.x+width > term.col) {
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tnewline(1);
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