我最近在我的项目中使用了ncurses,我对它很陌生。
我写了一个代码来在窗口中打印我的飞船(3个字符串行),但它没有显示任何我用来在新窗口中打印飞船和删除windows()的函数。下面是我的代码:
#include<stdio.h>
#include<ncurses.h>
#include <string.h>
#include<stdlib.h>
WINDOW * create_newwin(int height, int width, int starty, int startx);
void destroy_win(WINDOW *local_win);
int main(int argc, char *argv[]){
WINDOW* space_ship;
int max_y , max_x , startx , starty;
char ch;
initscr();
cbreak();
noecho();
getmaxyx(stdscr,max_y,max_x);
startx=(LINES - 3) / 2;
starty=(COLS - 5) / 2;
space_ship=create_newwin(3,5,starty,starty);
refresh();
while((ch = getch()) != 'q')
{ switch(ch)
{ case KEY_LEFT:
destroy_win(space_ship);
space_ship = create_newwin(3,5, starty,--startx);
break;
case KEY_RIGHT:
destroy_win(space_ship);
space_ship = create_newwin(3, 5, starty,++startx);
break;
case KEY_UP:
destroy_win(space_ship);
space_ship = create_newwin(3, 5,--starty,startx);
break;
case KEY_DOWN:
destroy_win(space_ship);
space_ship = create_newwin(3, 5, ++starty,startx);
break;
}
}
endwin();
return 0;
}
WINDOW *create_newwin(int height, int width, int starty, int startx){
WINDOW* temp;
temp=newwin(height,width,starty,startx);
refresh();
wprintw(temp," ^\n");
wprintw(temp," (0)\n");
wprintw(temp,"[] []\n");
wrefresh(stdscr);
wrefresh(temp);
return temp;
}
void destroy_win(WINDOW *local_win){
wborder(local_win, ' ', ' ', ' ',' ',' ',' ',' ',' ');
wrefresh(local_win);
delwin(local_win);
}
最佳答案
问题是这一行:
while((ch = getch()) != 'q')
它正在从
stdscr
读取,而您希望在space_ship
上写入文本如果你把它改成 while((ch = wgetch(space_ship)) != 'q')
然后刷新
space_ship
将作为wgetch
调用的副作用。关于c - 我的ncurses窗口不显示任何内容,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/37900959/