Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.os.linux.development.apps > #810

Re: How do I get coordinates or mouse clicks C/C++, Linux?

Show all headers | View raw

On Monday, December 14, 2015 at 11:24:56 PM UTC+4, Tauno Voipio wrote:
> On 13.12.15 23:06, fsn761304@gmail.com wrote:
> > I have a code which does it, but when it works its difficult to interact with a desktop - I need to click several times on something to access it. (prefer license which will not demand to disclose source code) Here is the link to the code which I use:
> >
> > #include <stdio.h>
> > #include <stdlib.h>
> > #include <X11/Xlib.h>
> > #include <X11/Xutil.h>
> >
> > int main (){
> >      int x=-1,y=-1;
> >      XEvent event;
> >      int button;
> >      Display *display = XOpenDisplay(NULL);
> >      if (display == NULL) {
> >      fprintf(stderr, "Cannot connect to X server!\n");
> >      exit (EXIT_FAILURE);
> >      }
> >      Window root= XDefaultRootWindow(display);
> >      XGrabPointer(display, root, False, ButtonPressMask, GrabModeAsync,
> >           GrabModeAsync, None, None, CurrentTime);
> >
> >      XSelectInput(display, root, ButtonPressMask) ;
> >      while(1){
> >      XNextEvent(display,&event);
> >      switch(event.type){
> >      case ButtonPress:
> >          switch(event.xbutton.button){
> >          case Button1:
> >          x=event.xbutton.x;
> >          y=event.xbutton.y;
> >          button=Button1;
> >          break;
> >
> >          case Button3:
> >          x=event.xbutton.x;
> >          y=event.xbutton.y;
> >          button=Button3;
> >          break;
> >          default:
> >          break;
> >
> >          }
> >          break;
> >      default:
> >          break;
> >      }
> >      if(x>=0 && y>=0)break;
> >      }
> >      if(button==Button1)printf("leftclick at %d %d \n",x,y);
> >      else printf("rightclick at %d %d \n",x,y);
> >      XCloseDisplay(display);
> >      return 0;
> > }
> 
> 
> What are you attempting to achieve?
> 
> A clandestine mouse logger?
> 
> -- 
> 
> -TV

I want screenshot of specific part of screen, then OCR recognition.

Back to comp.os.linux.development.apps | Previous | Next — Previous in thread | Find similar

Thread

How do I get coordinates or mouse clicks C/C++, Linux? fsn761304@gmail.com - 2015-12-13 13:06 -0800
  Re: How do I get coordinates or mouse clicks C/C++, Linux? Jasen Betts <jasen@xnet.co.nz> - 2015-12-14 08:33 +0000
  Re: How do I get coordinates or mouse clicks C/C++, Linux? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2015-12-14 21:24 +0200
    Re: How do I get coordinates or mouse clicks C/C++, Linux? fsn761304@gmail.com - 2015-12-15 02:31 -0800

csiph-web