curses | 易学教程

How do I use (n)curses in Ruby?

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I'd like to create a progress bar to indicate the status of an a batch job in Ruby . I've read some tutorials / libraries on using (n)curses , none of which were particularly helpful in explaining how to create an "animated" progress bar in the terminal or using curses with Ruby . I'm already aware of using a separate thread to monitor the progress of a given job, I'm just not sure how to proceed with drawing a progress bar. Update ProgressBar class was incredibly straight-forward, perfectly solved my problem. You might be able to get some implementation ideas from the Ruby/ProgressBar library

Ruby Keyboard event handling

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问题 Hello im using curses to develop a small console application. I have a main loop section wich waits for user input, it uses the getstr function, of course this waits for the user to press enter. I would like to capture the up and down and tab keypresses. I suppose this can't be done with getstr. Anyone have any idea how to do this? EDIT: i've tried using STDIN.getc wich blocks the application from running, and getch doesnt catch the arrow keys EDIT #2 : im trying this code on windows. It

How do I use getch from curses without clearing the screen?

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I'm learning to program in C and want to be able to type characters into the terminal while my code is running without pressing return . My program works, however when I call initscr() , the screen is cleared - even after calling filter() . The documentation for filter suggests it should disable clearing - however this is not the case for me. #include <stdio.h> #include <curses.h> #include <term.h> int main(void) { int ch; filter(); initscr(); cbreak(); noecho(); keypad(stdscr, TRUE); while((ch = getch()) != EOF); endwin(); return 0; } Why does the above code still clearr the screen, and what

Python/curses user input while updating screen

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问题 I'm currently coding an app U.I with python/curses and I was wondering if it is possible to ask the user to press keys (cbreak mode) to hide or show some panels or windows while the U.I is continuously updating. I read the official python docs about curses and made some tries but even with the use of the cbreak mode and the non-blocking input mode (nodelay) activated I am unable to make it work properly (I succeed in getting the user input but at the expense of blocking the U.I that is not

Pycharm : how-to launch for a standard terminal (to solve an issue with curses)

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问题 I'm facing a weird problem. Using Pycharm (please do not troll about this fact), I'm trying to launch a short app that uses ncurses to render some things on my term. While I can launch the project in a simple term without any problem, launching it from Pycharm raise the following error : File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/curses/__init__.py", line 33, in initscr fd=_sys.__stdout__.fileno()) error: setupterm: could not find terminal Process finished

Why is curses on linux giving me following error?

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问题 Trying to get getch() working to capture key press. #include <curses.h> ... ... WINDOW *w; char f; w = initscr(); timeout(3000); f = getch(); endwin(); is giving me following error:- undefined reference to `wgetch' undefined reference to `stdscr' 回答1: That's a linking error. Are you linking to the curses library correctly? There are two steps involved in using a library in C. You #include the relevant header files from your source files. This is so your code knows what signatures of the

Setupterm could not find terminal, in Python program using curses

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I am trying to get a simple curses script to run using Python (with PyCharm 2.0). This is my script: import curses stdscr = curses.initscr() curses.noecho() curses.cbreak() stdscr.keypad(1) while 1: c = stdscr.getch() if c == ord('p'): print("I pressed p") elif c == ord('q'): break curses.nocbreak(); stdscr.keypad(0); curses.echo() curses.endwin() When I run this from my IDE (PyCharm 2) I get the following error: _curses.error: setupterm: could not find terminal Process finished with exit code 1 If I run the script from bash it will simply be stuck in the while loop not reacting to either

Outputting unicode characters in windows terminal

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问题 Over the past week I've been working on a roguelike game in C++ along with a friend. Mostly too learn the language. I'm using: pdcurses Windows 7 Visual studio C++ To output wchar_t 's wherever I want to in the console. I have succeeded in otuputting some unicode characters such as \u263B (☻), but others such as \u2638 (☸) will just end up as question marks(?). Here's the relevant code I use for output. // Container of room information struct RoomInfo { wchar_t * layout; int width; int height

How do I use getch from curses without clearing the screen?

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问题 I'm learning to program in C and want to be able to type characters into the terminal while my code is running without pressing return . My program works, however when I call initscr() , the screen is cleared - even after calling filter() . The documentation for filter suggests it should disable clearing - however this is not the case for me. #include <stdio.h> #include <curses.h> #include <term.h> int main(void) { int ch; filter(); initscr(); cbreak(); noecho(); keypad(stdscr, TRUE); while(

What is needed for curses in Python 3.4 on Windows7?

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I have a running Python 2.7/3.4 installation on my Windows 7 (x64) machine. I would like to test curses on Windows. Curses is installed but not working: >>> import curses Traceback (most recent call last): File "<stdin>", line 1, in <module> File "C:\Tools\Python3.4.2\lib\curses\__init__.py", line 13, in <module> from _curses import * ImportError: No module named '_curses' The documentation says: The Windows version of Python doesn’t include the curses module. A ported version called UniCurses is available. So, the Windows installer of Python 3.4 installed curses with unresolved dependencies.