Attachment 240580 Details for Bug 427645

testcase

randrpolltest.cpp (text/x-c++src), 2.03 KB, created by Lubos Lunak on 2008-09-19 14:12:50 UTC

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Creator: Lubos Lunak

Created: 2008-09-19 14:12:50 UTC

Size: 2.03 KB

patch

obsolete

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

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Attachments on bug 427645: 240499 | 240501 | 240580