src/motif.c

   1 /* motif.c-- stuff for support for mwm hints
   2  *
   3  *  Window Maker window manager
   4  *
   5  *  Copyright (c) 1998-2003 Alfredo K. Kojima
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20  *  USA.
  21  */
  22
  23 #include "wconfig.h"
  24
  25 #ifdef MWM_HINTS
  26
  27 #include <X11/Xlib.h>
  28 #include <X11/Xutil.h>
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32
  33 #include "WindowMaker.h"
  34 #include "framewin.h"
  35 #include "window.h"
  36 #include "properties.h"
  37 #include "icon.h"
  38 #include "client.h"
  39 #include "funcs.h"
  40 #include "motif.h"
  41
  42 /* Motif window hints */
  43 #define MWM_HINTS_FUNCTIONS           (1L << 0)
  44 #define MWM_HINTS_DECORATIONS         (1L << 1)
  45
  46 /* bit definitions for MwmHints.functions */
  47 #define MWM_FUNC_ALL                  (1L << 0)
  48 #define MWM_FUNC_RESIZE               (1L << 1)
  49 #define MWM_FUNC_MOVE                 (1L << 2)
  50 #define MWM_FUNC_MINIMIZE             (1L << 3)
  51 #define MWM_FUNC_MAXIMIZE             (1L << 4)
  52 #define MWM_FUNC_CLOSE                (1L << 5)
  53
  54 /* bit definitions for MwmHints.decorations */
  55 #define MWM_DECOR_ALL                 (1L << 0)
  56 #define MWM_DECOR_BORDER              (1L << 1)
  57 #define MWM_DECOR_RESIZEH             (1L << 2)
  58 #define MWM_DECOR_TITLE               (1L << 3)
  59 #define MWM_DECOR_MENU                (1L << 4)
  60 #define MWM_DECOR_MINIMIZE            (1L << 5)
  61 #define MWM_DECOR_MAXIMIZE            (1L << 6)
  62
  63 /* Motif  window hints */
  64 typedef struct {
  65         long flags;
  66         long functions;
  67         long decorations;
  68         long inputMode;
  69         long unknown;
  70 } MWMHints;
  71
  72 static Atom _XA_MOTIF_WM_HINTS;
  73
  74 static void setupMWMHints(WWindow *wwin, MWMHints *mwm_hints)
  75 {
  76         /*
  77          * We will ignore all decoration hints that have an equivalent as
  78          * functions, because wmaker does not distinguish decoration hints
  79          */
  80
  81         if (mwm_hints->flags & MWM_HINTS_DECORATIONS) {
  82                 WSETUFLAG(wwin, no_titlebar, 1);
  83                 WSETUFLAG(wwin, no_close_button, 1);
  84                 WSETUFLAG(wwin, no_miniaturize_button, 1);
  85                 WSETUFLAG(wwin, no_resizebar, 1);
  86
  87                 if (mwm_hints->decorations & MWM_DECOR_ALL) {
  88                         WSETUFLAG(wwin, no_titlebar, 0);
  89                         WSETUFLAG(wwin, no_close_button, 0);
  90                         WSETUFLAG(wwin, no_closable, 0);
  91                         WSETUFLAG(wwin, no_miniaturize_button, 0);
  92                         WSETUFLAG(wwin, no_miniaturizable, 0);
  93                         WSETUFLAG(wwin, no_resizebar, 0);
  94                         WSETUFLAG(wwin, no_resizable, 0);
  95                 }
  96
  97                 if (mwm_hints->decorations & MWM_DECOR_RESIZEH)
  98                         WSETUFLAG(wwin, no_resizebar, 0);
  99
 100                 if (mwm_hints->decorations & MWM_DECOR_TITLE) {
 101                         WSETUFLAG(wwin, no_titlebar, 0);
 102                         WSETUFLAG(wwin, no_close_button, 0);
 103                         WSETUFLAG(wwin, no_closable, 0);
 104                 }
 105
 106                 if (mwm_hints->decorations & MWM_DECOR_MINIMIZE) {
 107                         WSETUFLAG(wwin, no_miniaturize_button, 0);
 108                         WSETUFLAG(wwin, no_miniaturizable, 0);
 109                 }
 110         }
 111
 112         if (mwm_hints->flags & MWM_HINTS_FUNCTIONS) {
 113                 WSETUFLAG(wwin, no_closable, 1);
 114                 WSETUFLAG(wwin, no_miniaturizable, 1);
 115                 WSETUFLAG(wwin, no_resizable, 1);
 116
 117                 if (mwm_hints->functions & MWM_FUNC_ALL) {
 118                         WSETUFLAG(wwin, no_closable, 0);
 119                         WSETUFLAG(wwin, no_miniaturizable, 0);
 120                         WSETUFLAG(wwin, no_resizable, 0);
 121                 }
 122                 if (mwm_hints->functions & MWM_FUNC_RESIZE)
 123                         WSETUFLAG(wwin, no_resizable, 0);
 124
 125                 if (mwm_hints->functions & MWM_FUNC_MINIMIZE)
 126                         WSETUFLAG(wwin, no_miniaturizable, 0);
 127
 128                 if (mwm_hints->functions & MWM_FUNC_MAXIMIZE) {
 129                         /* a window must be resizable to be maximizable */
 130                         WSETUFLAG(wwin, no_resizable, 0);
 131                 }
 132                 if (mwm_hints->functions & MWM_FUNC_CLOSE)
 133                         WSETUFLAG(wwin, no_closable, 0);
 134         }
 135 }
 136
 137 static int getMWMHints(Window window, MWMHints *mwmhints)
 138 {
 139         unsigned long *data;
 140         int count;
 141
 142         if (!_XA_MOTIF_WM_HINTS)
 143                 _XA_MOTIF_WM_HINTS = XInternAtom(dpy, "_MOTIF_WM_HINTS", False);
 144
 145         data = (unsigned long *)PropGetCheckProperty(window, _XA_MOTIF_WM_HINTS,
 146                                                      _XA_MOTIF_WM_HINTS, 32, 0, &count);
 147
 148         if (!data)
 149                 return 0;
 150
 151         mwmhints->flags = 0;
 152         if (count >= 4) {
 153                 mwmhints->flags = data[0];
 154                 mwmhints->functions = data[1];
 155                 mwmhints->decorations = data[2];
 156                 mwmhints->inputMode = data[3];
 157                 if (count > 5)
 158                         mwmhints->unknown = data[4];
 159         }
 160         XFree(data);
 161
 162         return 1;
 163 }
 164
 165 void wMWMCheckClientHints(WWindow *wwin)
 166 {
 167         MWMHints hints;
 168
 169         if (getMWMHints(wwin->client_win, &hints))
 170                 setupMWMHints(wwin, &hints);
 171 }
 172
 173 #endif  /* MWM_HINTS */