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Viewing changes to kcontrol/randr/module/randrpolltest.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Michał Zając
  • Date: 2011-07-09 08:31:15 UTC
  • Revision ID: james.westby@ubuntu.com-20110709083115-ohyxn6z93mily9fc
Tags: upstream-4.6.90
Import upstream version 4.6.90

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kcontrol/randr/module/randrpolltest.cpp
 
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#include <X11/Xlib.h>
 
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#include <X11/extensions/Xrandr.h>
 
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#include <stdio.h>
 
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#include <unistd.h>
 
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int main( int argc, char* argv[] )
 
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    {
 
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    Display* dpy = XOpenDisplay( NULL );
 
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    XSetWindowAttributes attrs;
 
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    Window w = XCreateWindow( dpy, DefaultRootWindow( dpy ), 0, 0, 100, 100, 0, CopyFromParent, CopyFromParent,
 
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        CopyFromParent, 0, &attrs );
 
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//    XMapWindow( dpy, w );
 
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    int base, error;
 
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    if( !XRRQueryExtension( dpy, &base, &error ))
 
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        return 1;
 
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    int major = 1;
 
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    int minor = 2;
 
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    if( !XRRQueryVersion( dpy, &major, &minor ) || major < 1 || (major == 1 && minor < 2 ))
 
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        return 2;
 
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    XRRSelectInput( dpy, w,
 
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        RRScreenChangeNotifyMask | RRCrtcChangeNotifyMask | RROutputChangeNotifyMask | RROutputPropertyNotifyMask );
 
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    for(;;)
 
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        {
 
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        XEvent ev;
 
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        int a, b, c, d;
 
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        static int cnt = 0;
 
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        if( ++cnt % 30 == 0 )
 
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            {
 
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//            XRRFreeScreenResources(XRRGetScreenResources( dpy, w ));
 
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            XRRGetScreenSizeRange( dpy, w, &a, &b, &c, &d );
 
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//            XSync( dpy, False );
 
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            printf( "Poll\n" );
 
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            }
 
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        sleep( 1 );
 
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        if( !XPending( dpy ))
 
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            continue;
 
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        XNextEvent( dpy, &ev );
 
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        if( ev.xany.type == base + RRScreenChangeNotify )
 
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            {
 
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            printf( "Screen Change\n" );
 
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            }
 
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        if( ev.xany.type == base + RRNotify )
 
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            {
 
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            XRRNotifyEvent* e = reinterpret_cast< XRRNotifyEvent* >( &ev );
 
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            switch( e->subtype )
 
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                {
 
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                case RRNotify_CrtcChange:
 
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                    printf( "Crtc Change\n" );
 
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                    break;
 
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                case RRNotify_OutputChange:
 
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                    printf( "Output Change\n" );
 
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                    break;
 
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                case RRNotify_OutputProperty:
 
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                    printf( "Output Property Change\n" );
 
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                    break;
 
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                default:
 
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                    printf( "Unknown Notify\n" );
 
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                    break;
 
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                }
 
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            }
 
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        }
 
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    XCloseDisplay( dpy );
 
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    }