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input: support escape sequences for ^Home and ^End 

Make nano recognize the escape sequences for Ctrl-Home, Ctrl-End,
Shift-Ctrl-Home, and Shift-Ctrl-End on xterm, rxvt, and Eterm.
master
David Lawrence Ramsey 2017-04-06 12:30:28 -05:00 committed by Benno Schulenberg
parent cb0806b2a0
commit 23ae7bfbbf
1 changed files with 28 additions and 4 deletions
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32
src/winio.c
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@ -967,6 +967,10 @@ int convert_sequence(const int *seq, size_t seq_len)
return CONTROL_RIGHT; return CONTROL_RIGHT;
case 'D': /* Esc [ 1 ; 5 D == Ctrl-Left on xterm. */ case 'D': /* Esc [ 1 ; 5 D == Ctrl-Left on xterm. */
return CONTROL_LEFT; return CONTROL_LEFT;
case 'F': /* Esc [ 1 ; 5 F == Ctrl-End on xterm. */
return CONTROL_END;
case 'H': /* Esc [ 1 ; 5 H == Ctrl-Home on xterm. */
return CONTROL_HOME;
} }
break; break;
#ifndef NANO_TINY #ifndef NANO_TINY
@ -980,6 +984,10 @@ int convert_sequence(const int *seq, size_t seq_len)
return shiftcontrolright; return shiftcontrolright;
case 'D': /* Esc [ 1 ; 6 D == Shift-Ctrl-Left on xterm. */ case 'D': /* Esc [ 1 ; 6 D == Shift-Ctrl-Left on xterm. */
return shiftcontrolleft; return shiftcontrolleft;
case 'F': /* Esc [ 1 ; 6 F == Shift-Ctrl-End on xterm. */
return shiftcontrolend;
case 'H': /* Esc [ 1 ; 6 H == Shift-Ctrl-Home on xterm. */
return shiftcontrolhome;
} }
break; break;
#endif #endif
@ -1044,19 +1052,35 @@ int convert_sequence(const int *seq, size_t seq_len)
if (seq_len > 2 && (seq[2] == '~' || seq[2] == '^')) if (seq_len > 2 && (seq[2] == '~' || seq[2] == '^'))
return KEY_NPAGE; return KEY_NPAGE;
break; break;
case '7': /* Esc [ 7 ~ == Home on Eterm/rxvt, case '7': /* Esc [ 7 ~ == Home on Eterm/rxvt;
* Esc [ 7 $ == Shift-Home on Eterm/rxvt. */ * Esc [ 7 $ == Shift-Home on Eterm/rxvt;
* Esc [ 7 ^ == Control-Home on Eterm/rxvt;
* Esc [ 7 @ == Shift-Control-Home on same. */
if (seq_len > 2 && seq[2] == '~') if (seq_len > 2 && seq[2] == '~')
return KEY_HOME; return KEY_HOME;
else if (seq_len > 2 && seq[2] == '$') else if (seq_len > 2 && seq[2] == '$')
return SHIFT_HOME; return SHIFT_HOME;
else if (seq_len > 2 && seq[2] == '^')
return CONTROL_HOME;
#ifndef NANO_TINY
else if (seq_len > 2 && seq[2] == '@')
return shiftcontrolhome;
#endif
break; break;
case '8': /* Esc [ 8 ~ == End on Eterm/rxvt. case '8': /* Esc [ 8 ~ == End on Eterm/rxvt;
* Esc [ 8 $ == Shift-End on Eterm/rxvt. */ * Esc [ 8 $ == Shift-End on Eterm/rxvt;
* Esc [ 8 ^ == Control-End on Eterm/rxvt;
* Esc [ 8 @ == Shift-Control-End on same. */
if (seq_len > 2 && seq[2] == '~') if (seq_len > 2 && seq[2] == '~')
return KEY_END; return KEY_END;
else if (seq_len > 2 && seq[2] == '$') else if (seq_len > 2 && seq[2] == '$')
return SHIFT_END; return SHIFT_END;
else if (seq_len > 2 && seq[2] == '^')
return CONTROL_END;
#ifndef NANO_TINY
else if (seq_len > 2 && seq[2] == '@')
return shiftcontrolend;
#endif
break; break;
case '9': /* Esc [ 9 == Delete on Mach console. */ case '9': /* Esc [ 9 == Delete on Mach console. */
return KEY_DC; return KEY_DC;