getmaxyx - Linux
Overview
getmaxyx() is a useful command that retrieves the maximum values for both the x-axis and y-axis of the currently active screen window. It plays a vital role in determining the size and dimensions of the terminal window, making it an indispensable utility for developers and anyone working with terminal-based applications.
Syntax
getmaxyx(WINDOW *win, int *y, int *x)
Parameters:
win: Pointer to the window object.y: Reference to an integer variable to store the maximum y-axis value.x: Reference to an integer variable to store the maximum x-axis value.
Options/Flags
None.
Examples
Basic Usage
#include <ncurses.h>
...
WINDOW *win;
int y, x;
getmaxyx(win, &y, &x);
Resize Aware Application
while (1) {
getmaxyx(stdscr, &y, &x);
// Update application based on new size information
}
Common Issues
Inaccurate Output
Ensure that the win parameter points to a valid window object. Otherwise, it may provide incorrect values.
Output Limitations
getmaxyx() only provides information about the current active window. If your application manages multiple windows, you need to query each window individually.
Integration
getmaxyx() integrates well with other ncurses functions, including:
getmaxy()andgetmaxx(): Retrieve the maximum values for the y-axis and x-axis, respectively.resizeterm(): Alter the size of the terminal window.