toggle fullscreen using xlib

最新推荐文章于 2024-08-14 16:05:04 发布

原创最新推荐文章于 2024-08-14 16:05:04 发布 · 875 阅读

0 ·

CC 4.0 BY-SA版权

LINUX 专栏收录该内容

110 篇文章

订阅专栏

这篇博客探讨了如何利用Xlib库在Linux环境中实现窗口的全屏切换功能，内容涉及Linux系统的底层交互和图形界面管理。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

#include <X11/Xlib.h>
#include <stdlib.h>

enum
{
_NET_WM_STATE_REMOVE =0,
_NET_WM_STATE_ADD = 1,
_NET_WM_STATE_TOGGLE =2

};

int main()
{
Display * pDisplay = XOpenDisplay(NULL);
int screen = DefaultScreen(pDisplay);

XSetWindowAttributes attr;
attr.border_pixel = 0;
attr.background_pixel = 0;
attr.event_mask = ExposureMask | StructureNotifyMask;

Window parentWindow = RootWindow(pDisplay, screen);
Window window = XCreateWindow(pDisplay,
                                parentWindow,
                                0,0, //left top
                                640, 480,
                                0,
                                0,
                                InputOutput,
                                CopyFromParent,
                                CWBackPixel | CWBorderPixel |
CWEventMask,
                                &attr);

XWarpPointer(pDisplay, None, window, 0, 0, 0, 0, 100, 100);
XGrabKeyboard(pDisplay, window, True, GrabModeAsync, GrabModeAsync,
CurrentTime);
XMapRaised(pDisplay, window);

XSelectInput(pDisplay, window, KeyPressMask | ButtonPressMask);
bool isFullscreen = false;
bool run = true;
while (run)
{
    XEvent event;
    KeySym keySym;

    while (XPending(pDisplay) > 0)
    {
      XNextEvent(pDisplay, &event);

      switch(event.type)
      {
        case KeyPress:
        {
          isFullscreen = !isFullscreen;

          Atom wmState = XInternAtom(pDisplay, "_NET_WM_STATE", False);
          Atom fullScreen = XInternAtom(pDisplay,
                "_NET_WM_STATE_FULLSCREEN", False);

          XEvent xev;
        xev.xclient.type=ClientMessage;
        xev.xclient.serial = 0;
        xev.xclient.send_event=True;
        xev.xclient.window=window;
        xev.xclient.message_type=wmState;
        xev.xclient.format=32;
        xev.xclient.data.l[0] = (isFullscreen ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE);
        xev.xclient.data.l[1] = fullScreen;
        xev.xclient.data.l[2] = 0;

        XSendEvent(pDisplay, DefaultRootWindow(pDisplay), False,
                   SubstructureRedirectMask | SubstructureNotifyMask,
                    &xev);
          break;
        }
        case ButtonPress:
        {
          run = false;
          break;
        }
        default:
        {
          break;
        }

      }
    }
}
XCloseDisplay(pDisplay);

}

阅读(343) | 评论(0) | 转发(0) |

上一篇：Insight into GNU/Linux boot process

下一篇：NIC bonding with Ubuntu