notcurses
Turbo Vision
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notcurses | Turbo Vision | |
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102 | 22 | |
3,278 | 1,838 | |
- | - | |
7.2 | 8.0 | |
13 days ago | about 2 months ago | |
C | C++ | |
Apache License 2.0 | GNU General Public License v3.0 or later |
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notcurses
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Text UIs != Terminal UIs
> The only reason we don't have animation frameworks for the terminal is because it's not possible
https://nick-black.com/dankwiki/index.php/Notcurses
- Notcurses: Blingful character graphics/TUI library
- Notcurses
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good high-level ncurses library
Notcurses. Install it and run notcurses-demo to be suitably impressed.
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Ratatui: Build rich terminal user interfaces
Same for me, I would be much more motivated if there was something like textual for Rust. Given the capability of terminal emulators now I think Rust is lacking behind in the TUI field. Just checkout what can be done with something like notcurses
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Terminal emulators that break from the traditional rendering approach?
On the application side of rendering, see notcurses, it is at the leading edge: https://github.com/dankamongmen/notcurses
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Doom on Teletext
Other TUI libraries of note: https://github.com/dankamongmen/notcurses/blob/master/doc/OT...
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Io Uring
The broader world probably knows him best for the terminal handling library Notcurses[1] and a lot of telling terminal emulator authors to get their shit together.
I’ve had his grad-school project libtorque[2] (HotPar ’10), an event-handling and scheduling library, on my to-read list for years, but I can’t seem to figure out how it accomplishes the interesting things it does.
[1] https://nick-black.com/dankwiki/index.php/Notcurses, https://github.com/dankamongmen/notcurses/
[2] https://nick-black.com/dankwiki/index.php/Libtorque
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Are We Sixel Yet
In XTerm, this (rightly) makes no difference. In Foot and Contour however, you still end up a line resp. a screen below where you started, if now with the correct horizontal position.
So it seems to me like what you want should work by default, except it doesn’t.
It should be possible to instead just treat the whole thing as a graphical overlay (by computing or directly asking for the character cell size, as Kirill Panov rightly admonishes me is possible with XTWINOPS) without touching the cursor; that’s what the “sixel scrolling” setting (DECSDM) is supposed to do. Then you can just manually move the cursor forward however many positions after you’re done drawing.
Except apparently the DEC manual (the VT330/340 one above) and DEC hardware contradict each other as to which setting of DECSDM (set or reset) corresponds to which scrolling state (enabled or disabled), and XTerm has implemented it according to the manual not the VT3xx[1,2,3]—then most other emulators followed suit[4]—then XTerm switched to following the hardware[5,6] (unless you and that’s what I’m seeing on my machine right now. So now you need to check if you’re on XTerm ≥ 369 or not[7]. If I’m reading the Notcurses code right, other terminals have followed suit[8].
Again, ouch.
P.S. It seems DEC had an internal doc for how their terminals should operate (DEC STD 070) [9]. It does not document DECSDM at all.
[1] https://github.com/wez/wezterm/issues/217#issuecomment-86449...
[2] https://github.com/hackerb9/lsix/issues/41
[3] https://github.com/dankamongmen/notcurses/issues/1782
[4] https://github.com/arakiken/mlterm/pull/23
[5] https://invisible-island.net/xterm/xterm.log.html#xterm_369
[6] https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h3-T...
[7] https://github.com/dankamongmen/notcurses/commit/0918fa251e2... (the correct version cutoff is 369 not 359, the patch contains a now-fixed bug)
[8] https://github.com/dankamongmen/notcurses/blob/master/src/li... (look for mentions of invertsixel)
[9] http://www.bitsavers.org/pdf/dec/standards/EL-SM070-00_DEC_S...
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smenu clean window effect
And there's also the notcurses library:
Turbo Vision
- Turbo Pascal Turns 40
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Turbo Pascal or Delphi for Text Screen Applications
With FPC, you can use Free Vision, which is a supposed to be like a remake of the old Borland Turbo Vision. Alternatively for C++.
- What is a low-level UI library that allows me to make my own text widgets?
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Using byte array for window?
Talking about a window display from byte array sounds like windowing for a purely text based (console based) user interface, like the 1990's Borland's old Turbo Vision. There are modern ports of Turbo Vision, e.g. superquick googling found one at GitHub.
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Terminal.Gui – Cross Platform Terminal UI Toolkit for .NET
there is also a port of the "original":
https://github.com/magiblot/tvision
A modern port of Turbo Vision 2.0, the classical framework for text-based user interfaces. Now cross-platform and with Unicode support.
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Ask HN: What are some examples of elegant software?
It's been an absolute joy toying with TV after all this years for some TUI side-projects.
https://github.com/magiblot/tvision
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How do I make a batch file/program with this type of menu?
Discovered this : https://github.com/magiblot/tvision
- Modern Turbo Vision 2.0
What are some alternatives?
rich - Rich is a Python library for rich text and beautiful formatting in the terminal.
python-prompt-toolkit - Library for building powerful interactive command line applications in Python
FTXUI - Features: - Functional style. Inspired by [1] and React - Simple and elegant syntax (in my opinion). - Support for UTF8 and fullwidth chars (→ 测试). - No dependencies. - Cross platform. Linux/mac (main target), Windows (experimental thanks to contributors), - WebAssembly. - Keyboard & mouse navigation. Operating systems: - linux emscripten - linux gcc - linux clang - windows msvc - mac clang
FINAL CUT - A text-based widget toolkit.
xterm.js - A terminal for the web
ncurses - snapshots of ncurses - see http://invisible-island.net/ncurses/ncurses.faq.html (no pull requests are accepted)
sixvid - Simple script for animated GIF viewing using sixels
Elements C++ GUI library - Elements C++ GUI library
tcell - Tcell is an alternate terminal package, similar in some ways to termbox, but better in others.
awesome-tuis - List of projects that provide terminal user interfaces
imgui - Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies