You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
134 lines
3.2 KiB
134 lines
3.2 KiB
<div class="Box fold">
|
|
<h2>Commands: Screen Functions</h2>
|
|
|
|
<div class="Row v">
|
|
<p>
|
|
<b>Legend:</b>
|
|
Italic letters such as _n_ are ASCII numbers that serve as arguments, separated with a semicolon.
|
|
If an argument is left out, it's treated as 0 or 1, depending on what makes sense for the command.
|
|
</p>
|
|
|
|
<h3>Erasing & Inserting</h3>
|
|
|
|
<table class="ansiref w100">
|
|
<thead><tr><th>Code</th><th>Meaning</th></tr></thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>`\e[<i>m</i>J`</td>
|
|
<td>
|
|
Clear part of screen. _m_: 0 - from cursor, 1 - to cursor, 2 - all
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>`\e[<i>m</i>K`</td>
|
|
<td>
|
|
Erase part of line. _m_: 0 - from cursor, 1 - to cursor, 2 - all
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>`\e[<i>n</i>X`</td>
|
|
<td>
|
|
Erase _n_ characters in line.
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>
|
|
\e[<i>n</i>L \\
|
|
\e[<i>n</i>M
|
|
</code></td>
|
|
<td>
|
|
Insert (`L`) or delete (`M`) _n_ lines. Following lines are pulled up or pushed down.
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>
|
|
\e[<i>n</i>@ \\
|
|
\e[<i>n</i>P
|
|
</code></td>
|
|
<td>
|
|
Insert (`@`) or delete (`P`) _n_ characters. The rest of the line is pulled left or pushed right.
|
|
Characters going past the end of line are lost.
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
|
|
<h3>Supersized lines</h3>
|
|
|
|
<table class="ansiref w100">
|
|
<thead><tr><th>Code</th><th>Meaning</th></tr></thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>`\e#1`, `\e#2`</td>
|
|
<td>
|
|
Make the current line part of a double-height line.
|
|
Use `1` for the top, `2` for the bottom half.
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>`\e#3`, `\e#4`</td>
|
|
<td>
|
|
Make the current line part of a double-width, double-height line.
|
|
Use `3` for the top, `4` for the bottom half.
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>`\e#6`</td>
|
|
<td>
|
|
Make the current line double-width.
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>`\e#5`</td>
|
|
<td>
|
|
Reset the current line to normal size.
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
|
|
<h3>Other</h3>
|
|
|
|
<table class="ansiref w100">
|
|
<thead><tr><th>Code</th><th>Meaning</th></tr></thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>`\ec`</td>
|
|
<td>
|
|
Clear screen, reset attributes and cursor. This command also restores the default
|
|
screen size, title, button labels and messages and the background URL.
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>
|
|
\e[?1049h \\
|
|
\e[?1049l
|
|
</code></td>
|
|
<td>
|
|
Switch to (`h`) or from (`l`) an alternate screen.
|
|
ESPTerm can't implement this fully, so the original screen content is not saved,
|
|
but it will remember the cursor, screen size, terminal title, button labels and messages.
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>`\e[8;<i>r</i>;<i>c</i>t`</td>
|
|
<td>Set screen size to _r_ rows and _c_ columns (this is a command borrowed from Xterm)</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
`\e[<i>n</i>b`</td>
|
|
<td>
|
|
Repeat last printed characters _n_ times (moving cursor and using the current style).
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>`\e#8`</td>
|
|
<td>
|
|
Reset all screen attributes to default and fill the screen with the letter "E". This was
|
|
historically used for aligning CRT displays, now can be useful e.g. for testing erasing commands.
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
|