progs/util/mwmborder.c

   1 /* mwmborder.c */
   2
   3
   4 /*
   5  * This function shows how to remove the border, title bar, resize button,
   6  * etc from a Motif window frame from inside an Xlib-based application.
   7  *
   8  * Brian Paul  19 Sep 1995   brianp@ssec.wisc.edu
   9  *
  10  * This code is in the public domain.
  11  */
  12
  13
  14 #include <X11/Xlib.h>
  15 #include <X11/Xatom.h>
  16
  17 #define HAVE_MOTIF
  18 #ifdef HAVE_MOTIF
  19
  20 #include <X11/Xm/MwmUtil.h>
  21
  22 #else
  23
  24 /* bit definitions for MwmHints.flags */
  25 #define MWM_HINTS_FUNCTIONS     (1L << 0)
  26 #define MWM_HINTS_DECORATIONS   (1L << 1)
  27 #define MWM_HINTS_INPUT_MODE    (1L << 2)
  28 #define MWM_HINTS_STATUS        (1L << 3)
  29
  30 /* bit definitions for MwmHints.decorations */
  31 #define MWM_DECOR_ALL           (1L << 0)
  32 #define MWM_DECOR_BORDER        (1L << 1)
  33 #define MWM_DECOR_RESIZEH       (1L << 2)
  34 #define MWM_DECOR_TITLE         (1L << 3)
  35 #define MWM_DECOR_MENU          (1L << 4)
  36 #define MWM_DECOR_MINIMIZE      (1L << 5)
  37 #define MWM_DECOR_MAXIMIZE      (1L << 6)
  38
  39 typedef struct
  40 {
  41     unsigned long       flags;
  42     unsigned long       functions;
  43     unsigned long       decorations;
  44     long                inputMode;
  45     unsigned long       status;
  46 } PropMotifWmHints;
  47
  48 #define PROP_MOTIF_WM_HINTS_ELEMENTS    5
  49
  50 #endif
  51
  52
  53
  54 /*
  55  * Specify which Motif window manager border decorations to put on a
  56  * top-level window.  For example, you can specify that a window is not
  57  * resizabe, or omit the titlebar, or completely remove all decorations.
  58  * Input:  dpy - the X display
  59  *         w - the X window
  60  *         flags - bitwise-OR of the MWM_DECOR_xxx symbols in X11/Xm/MwmUtil.h
  61  *                 indicating what decoration elements to enable.  Zero would
  62  *                 be no decoration.
  63  */
  64 void set_mwm_border( Display *dpy, Window w, unsigned long flags )
  65 {
  66    PropMotifWmHints motif_hints;
  67    Atom prop, proptype;
  68
  69    /* setup the property */
  70    motif_hints.flags = MWM_HINTS_DECORATIONS;
  71    motif_hints.decorations = flags;
  72
  73    /* get the atom for the property */
  74    prop = XInternAtom( dpy, "_MOTIF_WM_HINTS", True );
  75    if (!prop) {
  76       /* something went wrong! */
  77       return;
  78    }
  79
  80    /* not sure this is correct, seems to work, XA_WM_HINTS didn't work */
  81    proptype = prop;
  82
  83    XChangeProperty( dpy, w,                         /* display, window */
  84                     prop, proptype,                 /* property, type */
  85                     32,                             /* format: 32-bit datums */
  86                     PropModeReplace,                /* mode */
  87                     (unsigned char *) &motif_hints, /* data */
  88                     PROP_MOTIF_WM_HINTS_ELEMENTS    /* nelements */
  89                   );
  90 }
  91