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chapter4

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This commit is contained in:
Benjamyn Love 2024-02-07 13:24:33 +11:00
parent 420a188baa
commit 5e21cccadc
1 changed files with 21 additions and 0 deletions
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21
kilo.c
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@ -21,6 +21,9 @@ enum editorKey
ARROW_RIGHT,
ARROW_UP,
ARROW_DOWN,
DEL_KEY,
HOME_KEY,
END_KEY,
PAGE_UP,
PAGE_DOWN
};
@ -101,10 +104,15 @@ int editorReadKey()
{
switch (seq[1])
{
case '1': return HOME_KEY;
case '3': return DEL_KEY;
case '4': return END_KEY;
case '5':
return PAGE_UP;
case '6':
return PAGE_DOWN;
case '7': return HOME_KEY;
case '8': return END_KEY;
}
}
}
@ -120,8 +128,15 @@ int editorReadKey()
return ARROW_RIGHT;
case 'D':
return ARROW_LEFT;
case 'H': return HOME_KEY;
case 'F': return END_KEY;
}
}
} else if (seq[0] == 'O') {
switch (seq[1]) {
case 'H': return HOME_KEY;
case 'F': return END_KEY;
}
}
return '\x1b';
}
@ -308,6 +323,12 @@ void editorProcessKeypress()
exit(0);
break;
case HOME_KEY:
E.cx = 0;
break;
case END_KEY:
E.cx = E.screencols - 1;
break;
case PAGE_UP:
case PAGE_DOWN:
{