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51 commits

Author SHA1 Message Date
Ben Wiederhake
08f9bc26a6 Meta+LibHTTP through LibWeb: Make clang-format-10 clean 2020-09-25 21:18:17 +02:00
Nico Weber
61060c0da8 LibVT: Let Terminal keep history in a circular buffer 
This makes Terminal::scroll_up() O(1) instead of O(n) in the
size of the history. (It's still O(n) in the size of visible
lines.)

Reduces time to run `disasm /bin/id` with the default terminal
window size from 530ms to 409ms (min-of-5) on my system.
 2020-09-10 12:01:26 +02:00
Nico Weber
90d9c83067 LibVT: Let Terminal only expose history_size, not storage 2020-09-10 12:01:26 +02:00
Nico Weber
ce95628b7f Unicode: Try s/codepoint/code_point/g again 
This time, without trailing 's'. Ran:

    git grep -l 'codepoint' | xargs sed -ie 's/codepoint/code_point/g
 2020-08-05 22:33:42 +02:00
Nico Weber
19ac1f6368 Revert "Unicode: s/codepoint/code_point/g" 
This reverts commit ea9ac3155d.
It replaced "codepoint" with "code_points", not "code_point".
 2020-08-05 22:33:42 +02:00
Andreas Kling
ea9ac3155d Unicode: s/codepoint/code_point/g 
Unicode calls them "code points" so let's follow their style.
 2020-08-03 19:06:41 +02:00
Andreas Kling
0c4b0c0312 Terminal+LibVT: Add "clear including history" action (Ctrl+Shift+K) :^) 
Sometimes you just want to get rid of all your scrollback history in
the terminal, and now there's a way to do that.
 2020-07-05 23:34:02 +02:00
Andreas Kling
11c4a28660 Kernel: Move headers intended for userspace use into Kernel/API/ 2020-07-04 17:22:23 +02:00
Hüseyin ASLITÜRK
7abca30f41 LibVT: Replace u8 type to u32 for code point 
Replace KeyEvent text attribute usage with code_point.
 2020-06-16 13:15:17 +02:00
Andreas Kling
165f69023b LibVT: Allow updating the window progress via an escape sequence 
You can now request an update of the terminal's window progress by
sending this escape sequence:

<esc>]9;<value>;<max_value>;<escape><backslash>

I'm sure we can find many interesting uses for this! :^)
 2020-05-30 23:00:35 +02:00
Sergey Bugaev
620697d924 LibVT: Move most of key press handling logic into VT::Terminal 
This will let us share it between the userspace (TerminalWidget) and the Kernel.
 2020-05-27 11:19:38 +02:00
Andreas Kling
b8498dc55e LibVT: Add incremental UTF-8 parsing to the terminal input handler 
Instead of relying on the GUI code to handle UTF-8, we now process
and parse the incoming data into 32-bit codepoints ourselves.

This means that you can now show emojis in the terminal and they will
only take up one character cell each. :^)
 2020-05-16 19:49:24 +02:00
Andreas Kling
06f3eb0ecd LibVT: Tweak input parsing related names 2020-05-16 19:30:46 +02:00
Andreas Kling
c4edc4c550 LibVT: Switch VT::Line to being backed by 32-bit codepoints 
This will allow us to have much better Unicode support. It does incur
a memory usage regression which we'll have to optimize to cover.
 2020-05-16 19:30:43 +02:00
Andreas Kling
16965db86b LibVT: Move out the Line class from Terminal to its own class 2020-05-15 18:57:50 +02:00
AnotherTest
5b9fe0cf46 LibVT: Update the terminal buffer based on visible lines 
Lines in the history should not be considered for update at all.
Fixes #2185
 2020-05-11 09:33:18 +02:00
Andreas Kling
901d2e3236 LibVT: Make selection follow terminal history scrollback :^) 
The buffer positions referred to by a VT::Position now include history
scrollback, meaning that a VT::Position with row=0 is at the start of
the history.

The active terminal buffer keeps moving in VT::Position coordinates
whenever we scroll. This allows selection to follow history. It also
allows us to click hyperlinks in history.

Fixes #957.
 2020-05-10 16:59:02 +02:00
AnotherTest
8487806ec0 LibVT: Support RGB colors (\x1b[38;2;<r>;<g>;<b>m) 2020-05-10 10:23:05 +02:00
Andreas Kling
f596b12a04 LibVT+Terminal: Support hyperlinks in the terminal :^) 
We now support basic hyperlinking in the terminal with <OSC>;8;;URL<ST>
Links are opened via LaunchServer on Ctrl+LeftMouse.
 2020-05-09 16:16:16 +02:00
Andreas Kling
b65ca3b944 LibVT: Make Terminal::Line non-copyable and non-movable 2020-05-09 13:20:01 +02:00
Andreas Kling
a0616d96bf LibVT: Make the Xterm/OSC sequence parsing a bit more robust 
Tolerate sequences ending in both <0x07> (BEL) and <0x1b> <0x5c> (ST).
The former is apparently an Xterm extension and the latter is standard.
 2020-05-09 12:08:41 +02:00
Andreas Kling
283bd1a95c LibVT: Respond to DSR 0 (device status) 
Also emit query responses in a single write() syscall instead of going
character-at-a-time.
 2020-05-09 12:02:22 +02:00
AnotherTest
2663739db1 LibVT: Implement Device Status Report (cursor position report) 2020-04-10 00:58:59 +02:00
Andreas Kling
ceec1a7d38 AK: Make Vector use size_t for its size and capacity 2020-02-25 14:52:35 +01:00
Linus Groh
174583cda5 LibVT: Add parameter names in function signatures for clarity 2020-01-26 15:58:06 +01:00
Linus Groh
3549623dc6 LibVT: Rename escape$r to DECSTBM (Set Top and Bottom Margins) 2020-01-26 15:58:06 +01:00
Linus Groh
fd8c250866 LibVT: Replace escape$h_l with SM (Set Mode) / RM (Reset Mode) 2020-01-26 15:58:06 +01:00
Linus Groh
be57b81336 LibVT: Rename escape$f to HVP (Horizontal and Vertical Position) 2020-01-26 15:58:06 +01:00
Linus Groh
2edd8e37ae LibVT: Rename escape$c to DA (Device Attributes) 2020-01-26 15:58:06 +01:00
Linus Groh
dcb5bf9e50 LibVT: Rename escape$m to SGR (Select Graphic Rendition) 2020-01-26 15:58:06 +01:00
Linus Groh
296afbe624 LibVT: Rename escape$H to CUP (Cursor Position) 2020-01-26 15:58:06 +01:00
Linus Groh
5cdfc58242 LibVT: Rename escape$D to CUB (Cursor Backward) 2020-01-26 15:58:06 +01:00
Linus Groh
428a55a196 LibVT: Rename escape$C to CUF (Cursor Forward) 2020-01-26 15:58:06 +01:00
Linus Groh
35310dbd22 LibVT: Rename escape$B to CUD (Cursor Down) 2020-01-26 15:58:06 +01:00
Linus Groh
cc73284c64 LibVT: Rename escape$A to CUU (Cursor Up) 2020-01-26 15:58:06 +01:00
Andreas Kling
8c1f2d7131 LibVT: Rename escape$K and escape$J to EL and ED respectively 
We should rename all of these functions to match the real VT100 names.
This will make it 100% easier to work on LibVT.

For reference: https://vt100.net/docs/vt100-ug/
 2020-01-25 20:54:40 +01:00
Andreas Kling
dca92af431 LibVT: Support IND and RI (cursor down/up basically) 2020-01-25 20:26:35 +01:00
Andreas Kling
0d191aae13 LibVT: Rename EscapeState::ExpectBracket => GotEscape 
Seems like there are many escape sequences that don't start with
brackets, so let's call the post-escape state "GotEscape" instead. :^)
 2020-01-25 20:02:31 +01:00
Andreas Kling
897ad1b927 LibVT: Support NEL (Next Line) 
I think this can just behave as if you sent a newline character ('\n').
 2020-01-25 20:01:43 +01:00
Andreas Kling
ab77bd4c3a LibVT: Support <esc>#8 to fill screen with E's 
This is apparently a "confidence test" supported by VT100.
 2020-01-25 19:52:35 +01:00
Andreas Kling
20e41ab381 LibVT: Support HVP (Horizontal and Vertical Position) (final 'f') 2020-01-25 19:49:42 +01:00
Andreas Kling
e6f5ce8285 LibVT: Support the DA (Device Attributes) request (final 'c') 
This is used by vttest on startup to query the device for identity.
 2020-01-25 19:12:08 +01:00
Andreas Kling
94ca55cefd Meta: Add license header to source files 
As suggested by Joshua, this commit adds the 2-clause BSD license as a
comment block to the top of every source file.

For the first pass, I've just added myself for simplicity. I encourage
everyone to add themselves as copyright holders of any file they've
added or modified in some significant way. If I've added myself in
error somewhere, feel free to replace it with the appropriate copyright
holder instead.

Going forward, all new source files should include a license header.
 2020-01-18 09:45:54 +01:00
joshua stein
5c25983844 LibVT: enforce a minimum size of 1 column and 1 row 
Fixes #829
 2020-01-16 12:41:09 +01:00
Andreas Kling
5a83e053b3 LibVT: Make inject_string() a public API so clients can use it 
This API allows you to add arbitrary input at the current cursor
position. You can even do escape sequences! :^)
 2019-10-22 22:14:36 +02:00
Andreas Kling
73fdbba59c AK: Rename <AK/AKString.h> to <AK/String.h> 
This was a workaround to be able to build on case-insensitive file
systems where it might get confused about <string.h> vs <String.h>.

Let's just not support building that way, so String.h can have an
objectively nicer name. :^)
 2019-09-06 15:36:54 +02:00
Sergey Bugaev
6d3f52c4a4 Terminal: Add some basic emoji support 
This is not as perfect as it is elsewhere in the system, as we cannot
really change how terminal "thinks about" characters and bytes. What
we can do though, and what this commit does, is to *render* emojis, but
make it seem as if they take up all the space, and all the columns their
bytes would take if they were all regular characters.
 2019-09-05 16:37:39 +02:00
Andreas Kling
462336ed49 LibVT: Add scrollback history to VT::Terminal 
The default (hard-coded) history size is 500 lines. When the history is
altered, the TerminalClient is notified via terminal_history_changed().
 2019-08-19 19:07:52 +02:00
Andreas Kling
ca9592d56f LibVT: Shave down VT::Attribute from 8 bytes to 3 bytes 
We have one of these per character in the terminal buffers, so it's a
decent haircut. :^)
 2019-08-13 12:59:58 +02:00
Andreas Kling
4fb02c78a9 LibVT: Rename VT::BufferPosition to VT::Position and move to own file 2019-08-13 12:56:10 +02:00