blog

commit

ef3d5215e843a568f5f3b9a267b0cd0e596cfabe

parent

4b68fbfbb7e09a9860cdb0f0d4266bc2e336c860

Author

Tobias Bengfort <tobias.bengfort@posteo.de>

Date

2023-09-14 08:41

tweak post tui

Diffstat

1 files changed, 5 insertions, 4 deletions

diff --git a/_content/posts/2023-03-30-tui/index.md b/_content/posts/2023-03-30-tui/index.md

@@ -10,7 +10,8 @@ state. But fear not! I will walk you through all the relevant steps.
   10    10 # Enter and exit TUI mode
   11    11 
   12    12 Terminals do not have a dedicated TUI mode. Instead, there is a collection of
   13    -1 options we can combine to get what we want:
   -1    13 options we can combine to get what we want. I will first describe each aspect
   -1    14 and then provide a code example.
   14    15 
   15    16 ## Disable line buffering
   16    17 
@@ -19,8 +20,8 @@ enter key. In TUI applications, we want to react to every key press
   19    20 individually. So we want to disable that.
   20    21 
   21    22 In C, the termios library provides the two functions `tcgetattr()` and
   22    -1 `tcsetattr()` which allow us to get a struct with options for a given file
   23    -1 descriptor, change it, and the apply the new set of options.
   -1    23 `tcsetattr()` which allow us to get a struct with options for `stdin`, change
   -1    24 it, and the apply the new set of options.
   24    25 
   25    26 It is common to store a copy of the original struct so it can be used to
   26    27 restore the original state when we want to exit TUI mode.
@@ -53,7 +54,7 @@ Switching to the alternate screen is `smcup` in terminfo and `\033[?1049h` in
   53    54 xterm. Switching back to the original screen is `rmcup` in terminfo and
   54    55 `\033[?1049l` in xterm.
   55    56 
   56    -1 ## Hide cursor
   -1    57 ## Hide the cursor
   57    58 
   58    59 When typing in the command line, the cursor show us where the next typed
   59    60 character will be inserted. In many TUI applications, arbitrary regions of the