扫一扫
分享文章到微信
扫一扫
关注官方公众号
至顶头条
#include <string.h>#include <X11/Xlib.h>#include <X11/keysym.h>int main(int argc, char* argv[])
...{
Display* display = XOpenDisplay(NULL); int screen = DefaultScreen(display); int width = DisplayWidth(display, screen)/2; int height = DisplayHeight(display, screen)/2; Window win = XCreateSimpleWindow(display, RootWindow(display, screen), 0, 0, width, height, 3, BlackPixel(display, screen), WhitePixel(display, screen)); XSelectInput(display, win, ExposureMask|KeyPressMask | ButtonPressMask | StructureNotifyMask); GC gc = XCreateGC(display, win, 0, NULL); XMapWindow(display, win); while(1)
...{ XEvent event = ...{0}; XNextEvent(display, &event); switch(event.type) ...{ case ConfigureNotify: ...{ width = event.xconfigure.width; height = event.xconfigure.height; break;
} case Expose: ...{ XSetForeground(display, gc, WhitePixel(display, screen)); XFillRectangle(display, win, gc, 0, 0, width, height); XSetForeground(display, gc, BlackPixel(display, screen)); XDrawString(display, win, gc, width/2, height/2, "XWindow", 7); break; } case KeyPress: ...{ if(event.xkey.keycode == XKeysymToKeycode(display, XK_Escape)) ...{ XFreeGC(display, gc); XCloseDisplay(display); return 0; } } default:break; } } return 0;
} all: gcc -g -lX11 xdemo.c -o xdemoclean: rm -f xdemo如果您非常迫切的想了解IT领域最新产品与技术信息，那么订阅至顶网技术邮件将是您的最佳途径之一。
现场直击｜2021世界人工智能大会
直击5G创新地带，就在2021MWC上海
5G已至 转型当时——服务提供商如何把握转型的绝佳时机
寻找自己的Flag
华为开发者大会2020（Cloud）- 科技行者
京公网安备 11010802021500号