Cygwin: console: Adjust the detailed behaviour of ESC sequences.
- This patch makes some detailed behaviour of ESC sequences such as "CSI Ps L" (IL), "CSI Ps M" (DL) and "ESC M" (RI) in xterm mode match with real xterm.
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@ -1862,6 +1862,7 @@ class dev_console
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bool saw_question_mark;
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bool saw_greater_than_sign;
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bool saw_space;
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bool saw_exclamation_mark;
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bool vt100_graphics_mode_G0;
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bool vt100_graphics_mode_G1;
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bool iso_2022_G1;
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@ -2053,6 +2053,19 @@ fhandler_console::char_command (char c)
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{
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/* Use "CSI Ps T" instead */
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cursor_get (&x, &y);
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if (y < srTop || y > srBottom)
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break;
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if (y == con.b.srWindow.Top
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&& srBottom == con.b.srWindow.Bottom)
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{
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/* Erase scroll down area */
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n = con.args[0] ? : 1;
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__small_sprintf (buf, "\033[%d;1H\033[J\033[%d;%dH",
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srBottom - (n-1) - con.b.srWindow.Top + 1,
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y + 1 - con.b.srWindow.Top, x + 1);
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WriteConsoleA (get_output_handle (),
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buf, strlen (buf), &wn, 0);
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}
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__small_sprintf (buf, "\033[%d;%dr",
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y + 1 - con.b.srWindow.Top,
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srBottom + 1 - con.b.srWindow.Top);
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@ -2079,6 +2092,8 @@ fhandler_console::char_command (char c)
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{
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/* Use "CSI Ps S" instead */
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cursor_get (&x, &y);
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if (y < srTop || y > srBottom)
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break;
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__small_sprintf (buf, "\033[%d;%dr",
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y + 1 - con.b.srWindow.Top,
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srBottom + 1 - con.b.srWindow.Top);
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@ -2137,6 +2152,16 @@ fhandler_console::char_command (char c)
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fix_tab_position ();
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}
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break;
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case 'p':
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if (con.saw_exclamation_mark) /* DECSTR Soft reset */
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{
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con.scroll_region.Top = 0;
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con.scroll_region.Bottom = -1;
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}
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wpbuf_put (c);
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/* Just send the sequence */
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WriteConsoleA (get_output_handle (), wpbuf, wpixput, &wn, 0);
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break;
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default:
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/* Other escape sequences */
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wpbuf_put (c);
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@ -2970,6 +2995,7 @@ fhandler_console::write (const void *vsrc, size_t len)
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con.saw_question_mark = false;
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con.saw_greater_than_sign = false;
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con.saw_space = false;
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con.saw_exclamation_mark = false;
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}
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else if (wincap.has_con_24bit_colors () && !con_is_legacy
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&& wincap.has_con_broken_il_dl () && *src == 'M')
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@ -2978,6 +3004,9 @@ fhandler_console::write (const void *vsrc, size_t len)
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DWORD n;
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cursor_get (&x, &y);
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if (y == srTop)
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{
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if (y == con.b.srWindow.Top
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&& srBottom == con.b.srWindow.Bottom)
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{
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/* Erase scroll down area */
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char buf[] = "\033[32768;1H\033[J\033[32768;32768";
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@ -2986,6 +3015,7 @@ fhandler_console::write (const void *vsrc, size_t len)
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y + 1 - con.b.srWindow.Top, x + 1);
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WriteConsoleA (get_output_handle (),
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buf, strlen (buf), &n, 0);
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}
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/* Substitute "CSI Ps T" */
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wpbuf_put ('[');
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wpbuf_put ('T');
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@ -2998,6 +3028,11 @@ fhandler_console::write (const void *vsrc, size_t len)
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}
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else if (wincap.has_con_24bit_colors () && !con_is_legacy)
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{ /* Only CSI is handled in xterm compatible mode. */
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if (*src == 'c') /* RIS Full reset */
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{
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con.scroll_region.Top = 0;
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con.scroll_region.Bottom = -1;
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}
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wpbuf_put (*src);
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/* Just send the sequence */
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DWORD n;
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@ -3169,6 +3204,8 @@ fhandler_console::write (const void *vsrc, size_t len)
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con.saw_question_mark = true;
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else if (*src == '>')
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con.saw_greater_than_sign = true;
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else if (*src == '!')
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con.saw_exclamation_mark = true;
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wpbuf_put (*src);
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/* ignore any extra chars between [ and first arg or command */
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src++;
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