press, no release

This commit is contained in:
davidovski 2021-04-12 22:16:16 +01:00
commit fc9fa1e4a2
2 changed files with 78 additions and 0 deletions

7
Makefile Normal file
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PROG = anyscroll
FLAGS = -lX11 -lXtst
${PROG}: ${PROG}.o
gcc ${PROG}.c -o ${PROG} ${FLAGS}

71
anyscroll.c Normal file
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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/extensions/XTest.h>
#include <unistd.h>
static Display *dpy;
static int scr, sw, sh;
static Window root;
static void pressButton(int btn) {
XTestFakeButtonEvent(dpy, btn, True, CurrentTime);
XFlush(dpy);
}
static void releaseButton(int btn) {
XTestFakeButtonEvent(dpy, btn, False, CurrentTime);
XFlush(dpy);
}
int main(int argc, const char **argv) {
for (int i = 1; i < argc; i++) {
if (argv[i][1] == 'h') {
fprintf(stdout, "there is no help to be given\n");
}
}
if (!(dpy = XOpenDisplay(0x0))) return 1;
scr = DefaultScreen(dpy);
root = XDefaultRootWindow(dpy);
sw = DisplayWidth(dpy, scr);
sh = DisplayHeight(dpy, scr);
fprintf(stdout, "waiting for events\n");
const long mask = ButtonPressMask|ButtonReleaseMask;
// XGrabPointer(dpy, root, True, mask, GrabModeSync, GrabModeAsync, None, None, CurrentTime);
XGrabButton(dpy, 2, AnyModifier, root, True, mask, GrabModeSync, GrabModeAsync, None, None);
//XSelectInput(dpy, root, KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask);
XEvent ev;
XButtonEvent *eb;
int grab = 0;
for (;;) {
XNextEvent(dpy, &ev);
if (ev.type == ButtonPress) {
eb = &ev.xbutton;
printf("%d button pressed!\n", eb->button);
// XGrabPointer(dpy, root, True, PointerMotionMask|ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
} else if (ev.type == ButtonRelease) {
eb = &ev.xbutton;
printf("%d button released!\n", eb->button);
//releaseButton(2);
// XUngrabPointer(dpy, CurrentTime);
}
XAllowEvents(dpy, ReplayPointer, CurrentTime);
XSync(dpy, 0);
// XFlush(dpy);
}
XCloseDisplay(dpy);
return 0;
}