Xorg problem: What happened to XRaiseWindow?

[Ernest L. Williams Jr.]

On Fri, 2006-01-20 at 07:08 -0500, Ernest L. Williams Jr. wrote:
> Hi,
> 
> When calling XRaiseWindow under Fedora, it does come to foreground when
> covered by another window, hmmm?  

I meant to say: Does "NOT" come to the foreground.


> This used to work especially in RHEL
> 3.  However, it does not work in FC5T2 or RHEL 4.
> 
> Please any ideas on this one?
> 
> 
> I will show the simple code that reproduces the behaviour:
> ================ 1.c ======================================
> /* ---------------------------------------------
>  *
>  * This application creates a main window and raises it
>  * approximately every 3 seconds. The only menu option
>  * is "exit".
>  *
>  */
> 
> #include <stdio.h>
> #include <stdlib.h>
> #include <fcntl.h>
> #include <math.h>
> #include <sys/types.h>
> #include <sys/time.h>
> #include <time.h>
> #include <wait.h>
> #include <signal.h>
> #include <unistd.h>
> #include <errno.h>
> #include <limits.h>
> 
> #include <X11/Xlib.h>
> #include <X11/Intrinsic.h>
> #include <Xm/Xm.h>
> #include <Xm/AtomMgr.h>
> #include <Xm/Protocols.h>
> #include <Xm/MainW.h>
> #include <Xm/PushB.h>
> #include <Xm/CascadeB.h>
> #include <Xm/RowColumn.h>
> 
> static int g_exit = 0;
> 
> void exit_cb (
>   Widget w,
>   XtPointer client,
>   XtPointer call )
> {
> 
> int *flag = (int *) client;
> 
>   printf( "exit_cb callback function was invoked\n" );
> 
>   *flag = 1;
> 
> }
> 
> int main (
>   int argc,
>   char **argv
> ) {
> 
> XtAppContext app;
> Display *display;
> Widget appTop, mainWin, menuBar, filePullDown, fileCascade, exitB;
> XmString menuStr, str;
> XEvent Xev;
> int result, isXEvent, n, count;
> struct timespec req, rem;
> Atom wm_delete_window;
> 
>   XtToolkitInitialize();
>   app = XtCreateApplicationContext();
> 
>   display = XtOpenDisplay( app, NULL, NULL, "test", NULL, 0, &argc,
>    argv );
> 
>   appTop = XtVaAppCreateShell( NULL, "test",
> applicationShellWidgetClass,
>    display,
>    XmNiconic, False,
>    XmNmappedWhenManaged, True,
>    NULL );
> 
>   mainWin = XtVaCreateManagedWidget( "main", xmMainWindowWidgetClass,
>    appTop,
>    XmNscrollBarDisplayPolicy, XmAS_NEEDED,
>    XmNscrollingPolicy, XmAUTOMATIC,
>    NULL );
> 
>   menuBar = XmCreateMenuBar( mainWin, "menubar", NULL, 0 );
> 
>   filePullDown = XmCreatePulldownMenu( menuBar, "file", NULL, 0 );
> 
>   menuStr = XmStringCreateLocalized( "file" );
>   fileCascade = XtVaCreateManagedWidget( "filemenu",
> xmCascadeButtonWidgetClass,
>    menuBar,
>    XmNlabelString, menuStr,
>    XmNmnemonic, 'f',
>    XmNsubMenuId, filePullDown,
>    NULL );
>   XmStringFree( menuStr );
> 
>   str = XmStringCreateLocalized( "exit" );
>   exitB = XtVaCreateManagedWidget( "pb", xmPushButtonWidgetClass,
>    filePullDown,
>    XmNlabelString, str,
>    NULL );
>   XmStringFree( str );
>   XtAddCallback( exitB, XmNactivateCallback, exit_cb,
>    (XtPointer) &g_exit );
> 
>   XtManageChild( menuBar );
> 
>   XtRealizeWidget( appTop );
> 
>   wm_delete_window = XmInternAtom( display, "WM_DELETE_WINDOW", False );
>   XmAddWMProtocolCallback( appTop, wm_delete_window,
>    exit_cb, (XtPointer) &g_exit );
>   XtVaSetValues( appTop, XmNdeleteResponse, XmDO_NOTHING, NULL );
> 
>   //-------------------------------------------
> 
>   n = 0;
> 
>   while ( !g_exit ) {
> 
>     count = 1000;
> 
>     do {
>       result = XtAppPending( app );
>       if ( result ) {
>         isXEvent = XtAppPeekEvent( app, &Xev );
>         if ( isXEvent ) {
>           if ( Xev.type != Expose ) {
>             XtAppProcessEvent( app, result );
>           }
>           else {
>             XtAppProcessEvent( app, result );
>           }
>         }
>         else { // process all timer or alternate events
>           XtAppProcessEvent( app, result );
>         }
>       }
>       count--;
>     } while ( result && count );
> 
>     req.tv_sec = 0;
>     req.tv_nsec = 100000000;
>     nanosleep( &req, &rem );
> 
>     // raise window approx every 3 seconds
>     n++;
>     if ( n == 30 ) {
>       n = 0;
>       printf( "call XRaiseWindow\n" );
>       XRaiseWindow( display, XtWindow(appTop) );
>     }
> 
>   }
> 
>   return 0;
> 
> }
> ==========================================================
> 
> 
> ============ makefile ====================================
> CFLAGS = -Wall -O0 -g
> LDFLAGS = -g
> 
> all : 1
> 
> 1 : 1.o
>         g++ $(LDFLAGS) -o 1 \
>         -L/usr/X11R6/lib \
>         -lXm -lXt -lX11 \
>         1.o
> 
> 1.o : 1.c
>         cc $(CFLAGS) -o 1.o -c 1.c
> ==========================================================
> 
> Thanks,
> Ernest L. Williams Jr.
>