Ncurses text input functions are interactive, not stream-oriented. Various functions control text input, whether the text is echoed to the terminal and whether program flow pauses to wait for a character. Special keyboard keys can also be read, such as the cursor control keys and function keys.
- [Dan Gookin] Standard C input and output is stream-based, … meaning that text is read and written differently … than most interactive programs you use. … With Ncurses however, text input can be interactive. … In this exercise file, the getch function, … embedded in a while loop at line 14, … fetches input as it comes in one character at a time. … Now the function automatically echos input to the display … foregoing the need for a refresh statement. … I've already compiled the length of the codes, … so let's see what it does. … (instructor typing) … Okay, so type some text. … (instructor typing) … And I'm typing text and it's appearing on the screen … exactly as I type it. … Now the Enter key acts as a carriage return here, … so if you want to go to another line … you have to press Ctrl + J and it erases the line, … Whatever. … Press the Tilde key to quit. … For reading strings of text, use the getnstr function … appearing in this code at line 13. … It's arguments are a buffer and a size limit, …
- Finding, installing, and linking libraries
- Accessing and generating XML data
- Working with JSON
- Working with the libcurl library
- Text programming
- Reading, writing, and manipulating JPEG images
- Working with PNG images
Skill Level Advanced
1. Setup and Configuration
2. Data Structures
3. Web Access
4. Text Programming
5. Computer Graphics
- Mark as unwatched
- Mark all as unwatched
Are you sure you want to mark all the videos in this course as unwatched?
This will not affect your course history, your reports, or your certificates of completion for this course.Cancel
Take notes with your new membership!
Type in the entry box, then click Enter to save your note.
1:30Press on any video thumbnail to jump immediately to the timecode shown.
Notes are saved with you account but can also be exported as plain text, MS Word, PDF, Google Doc, or Evernote.