Attachment 126580 Details for Bug 97836 – test program

test program

main.c (text/x-csrc), 2.19 KB, created by Fujii Hironori on 2016-09-16 14:53:54 UTC

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Creator: Fujii Hironori

Created: 2016-09-16 14:53:54 UTC

Size: 2.19 KB

patch

obsolete

>#include <X11/Xatom.h>
>#include <X11/Xlib.h>
>#include <X11/Xutil.h>
>#include <poll.h>
>#include <stdio.h>
>#include <string.h>
>#include <unistd.h>
>
>int main(int argc, char* argv[])
>{
>    Display* dpy;
>    XTextProperty prop;
>    Window top;
>    GC gc;
>    XGCValues gcv;
>    XEvent event;
>
>    dpy = XOpenDisplay(NULL);
>    if (!dpy) {
>        return 1;
>    }
>
>    top = XCreateSimpleWindow(dpy, RootWindow(dpy, 0), 0, 0,
>        300, 300, 1, BlackPixel(dpy, 0), WhitePixel(dpy, 0));
>    Atom delWindow = XInternAtom(dpy, "WM_DELETE_WINDOW", 0);
>    XSetWMProtocols(dpy, top, &delWindow, 1);
>
>    prop.value = "x test";
>    prop.encoding = XA_STRING;
>    prop.format = 8;
>    prop.nitems = strlen(prop.value);
>    XSetWMName(dpy, top, &prop);
>
>    gcv.foreground = BlackPixel(dpy, 0);
>    gcv.background = WhitePixel(dpy, 0);
>    gc = XCreateGC(dpy, top, GCForeground | GCBackground, &gcv);
>
>    XSelectInput(dpy, top, ExposureMask);
>
>    XMapSubwindows(dpy, top);
>    XMapWindow(dpy, top);
>    XFlush(dpy);
>
>    int fd = ConnectionNumber(dpy);
>    int count = 0;
>    int width = 0, height = 0;
>    while (1) {
>        struct pollfd pollfd = {fd, POLLIN | POLLPRI, 0};
>        poll(&pollfd, 1, 1000);
>        if (pollfd.revents) {
>            XNextEvent(dpy, &event);
>            switch (event.type) {
>            case Expose:
>                if (event.xexpose.count == 0) {
>                    width = event.xexpose.width;
>                    height = event.xexpose.height;
>                }
>                break;
>            case ClientMessage:
>                XDestroyWindow(dpy, top);
>                XCloseDisplay(dpy);
>                return 0;
>            }
>        } else {
>            count++;
>            const int SIZE = 20;
>            for (int y = 0; y < height; y += SIZE)
>                for (int x = 0; x < width; x += SIZE) {
>                    XRectangle rect = {x, y, SIZE, SIZE};
>                    char str[2] = "0";
>                    str[0] = '0' + count % 10;
>                    XSetClipMask(dpy, gc, None);
>                    XSetClipRectangles(dpy, gc, 0, 0, &rect, 1, Unsorted);
>                    XDrawImageString(dpy, top, gc, x, y + SIZE, str, 1);
>                }
>            XFlush(dpy);
>        }
>    }
>}

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Attachments on bug 97836: 126580 | 126581

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