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lineedit: hack for making it sort-of-work even if term width is wrong
function old new delta read_line_input 3158 3153 -5 input_end 29 24 -5 input_delete 115 110 -5 input_forward 27 20 -7 cmdedit_set_out_char 88 80 -8
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@ -166,10 +166,17 @@ static void deinit_S(void)
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}
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#define DEINIT_S() deinit_S()
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/* Put 'command_ps[cursor]', cursor++.
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* Advance cursor on screen. If we reached right margin, scroll text up
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* and remove terminal margin effect by printing 'next_char' */
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#define HACK_FOR_WRONG_WIDTH 1
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#if HACK_FOR_WRONG_WIDTH
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static void cmdedit_set_out_char(void)
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#define cmdedit_set_out_char(next_char) cmdedit_set_out_char()
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#else
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static void cmdedit_set_out_char(int next_char)
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#endif
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{
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int c = (unsigned char)command_ps[cursor];
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@ -196,9 +203,21 @@ static void cmdedit_set_out_char(int next_char)
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/* terminal is scrolled down */
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cmdedit_y++;
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cmdedit_x = 0;
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#if HACK_FOR_WRONG_WIDTH
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/* This works better if our idea of term width is wrong
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* and it is actually wider (often happens on serial lines).
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* Printing CR,LF *forces* cursor to next line.
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* OTOH if terminal width is correct AND terminal does NOT
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* have automargin (IOW: it is moving cursor to next line
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* by itself (which is wrong for VT-10x terminals)),
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* this will break things: there will be one extra empty line */
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puts("\r"); /* + implicit '\n' */
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#else
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/* Works ok only if cmdedit_termw is correct */
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/* destroy "(auto)margin" */
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bb_putchar(next_char);
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bb_putchar('\b');
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#endif
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}
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// Huh? What if command_ps[cursor] == '\0' (we are at the end already?)
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cursor++;
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