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 along
  18  *  with this program; if not, write to the Free Software Foundation, Inc.,
  19  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #ifdef MWM_HINTS
  25
  26 #include <X11/Xlib.h>
  27 #include <X11/Xutil.h>
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #include "WindowMaker.h"
  33 #include "framewin.h"
  34 #include "window.h"
  35 #include "properties.h"
  36 #include "icon.h"
  37 #include "client.h"
  38 #include "funcs.h"
  39 #include "motif.h"
  40
  41 /* Motif window hints */
  42 #define MWM_HINTS_FUNCTIONS           (1L << 0)
  43 #define MWM_HINTS_DECORATIONS         (1L << 1)
  44
  45 /* bit definitions for MwmHints.functions */
  46 #define MWM_FUNC_ALL                  (1L << 0)
  47 #define MWM_FUNC_RESIZE               (1L << 1)
  48 #define MWM_FUNC_MOVE                 (1L << 2)
  49 #define MWM_FUNC_MINIMIZE             (1L << 3)
  50 #define MWM_FUNC_MAXIMIZE             (1L << 4)
  51 #define MWM_FUNC_CLOSE                (1L << 5)
  52
  53 /* bit definitions for MwmHints.decorations */
  54 #define MWM_DECOR_ALL                 (1L << 0)
  55 #define MWM_DECOR_BORDER              (1L << 1)
  56 #define MWM_DECOR_RESIZEH             (1L << 2)
  57 #define MWM_DECOR_TITLE               (1L << 3)
  58 #define MWM_DECOR_MENU                (1L << 4)
  59 #define MWM_DECOR_MINIMIZE            (1L << 5)
  60 #define MWM_DECOR_MAXIMIZE            (1L << 6)
  61
  62 /* Motif  window hints */
  63 typedef struct {
  64         long flags;
  65         long functions;
  66         long decorations;
  67         long inputMode;
  68         long unknown;
  69 } MWMHints;
  70
  71 static Atom _XA_MOTIF_WM_HINTS;
  72
  73 static void setupMWMHints(WWindow *wwin, MWMHints *mwm_hints)
  74 {
  75         /*
  76          * We will ignore all decoration hints that have an equivalent as
  77          * functions, because wmaker does not distinguish decoration hints
  78          */
  79
  80         if (mwm_hints->flags & MWM_HINTS_DECORATIONS) {
  81                 WSETUFLAG(wwin, no_titlebar, 1);
  82                 WSETUFLAG(wwin, no_close_button, 1);
  83                 WSETUFLAG(wwin, no_miniaturize_button, 1);
  84                 WSETUFLAG(wwin, no_resizebar, 1);
  85
  86                 if (mwm_hints->decorations & MWM_DECOR_ALL) {
  87                         WSETUFLAG(wwin, no_titlebar, 0);
  88                         WSETUFLAG(wwin, no_close_button, 0);
  89                         WSETUFLAG(wwin, no_closable, 0);
  90                         WSETUFLAG(wwin, no_miniaturize_button, 0);
  91                         WSETUFLAG(wwin, no_miniaturizable, 0);
  92                         WSETUFLAG(wwin, no_resizebar, 0);
  93                         WSETUFLAG(wwin, no_resizable, 0);
  94                 }
  95
  96                 if (mwm_hints->decorations & MWM_DECOR_RESIZEH)
  97                         WSETUFLAG(wwin, no_resizebar, 0);
  98
  99                 if (mwm_hints->decorations & MWM_DECOR_TITLE) {
 100                         WSETUFLAG(wwin, no_titlebar, 0);
 101                         WSETUFLAG(wwin, no_close_button, 0);
 102                         WSETUFLAG(wwin, no_closable, 0);
 103                 }
 104
 105                 if (mwm_hints->decorations & MWM_DECOR_MINIMIZE) {
 106                         WSETUFLAG(wwin, no_miniaturize_button, 0);
 107                         WSETUFLAG(wwin, no_miniaturizable, 0);
 108                 }
 109         }
 110
 111         if (mwm_hints->flags & MWM_HINTS_FUNCTIONS) {
 112                 WSETUFLAG(wwin, no_closable, 1);
 113                 WSETUFLAG(wwin, no_miniaturizable, 1);
 114                 WSETUFLAG(wwin, no_resizable, 1);
 115
 116                 if (mwm_hints->functions & MWM_FUNC_ALL) {
 117                         WSETUFLAG(wwin, no_closable, 0);
 118                         WSETUFLAG(wwin, no_miniaturizable, 0);
 119                         WSETUFLAG(wwin, no_resizable, 0);
 120                 }
 121                 if (mwm_hints->functions & MWM_FUNC_RESIZE)
 122                         WSETUFLAG(wwin, no_resizable, 0);
 123
 124                 if (mwm_hints->functions & MWM_FUNC_MINIMIZE)
 125                         WSETUFLAG(wwin, no_miniaturizable, 0);
 126
 127                 if (mwm_hints->functions & MWM_FUNC_MAXIMIZE) {
 128                         /* a window must be resizable to be maximizable */
 129                         WSETUFLAG(wwin, no_resizable, 0);
 130                 }
 131                 if (mwm_hints->functions & MWM_FUNC_CLOSE)
 132                         WSETUFLAG(wwin, no_closable, 0);
 133         }
 134 }
 135
 136 static int getMWMHints(Window window, MWMHints *mwmhints)
 137 {
 138         unsigned long *data;
 139         int count;
 140
 141         if (!_XA_MOTIF_WM_HINTS)
 142                 _XA_MOTIF_WM_HINTS = XInternAtom(dpy, "_MOTIF_WM_HINTS", False);
 143
 144         data = (unsigned long *)PropGetCheckProperty(window, _XA_MOTIF_WM_HINTS,
 145                                                      _XA_MOTIF_WM_HINTS, 32, 0, &count);
 146
 147         if (!data)
 148                 return 0;
 149
 150         mwmhints->flags = 0;
 151         if (count >= 4) {
 152                 mwmhints->flags = data[0];
 153                 mwmhints->functions = data[1];
 154                 mwmhints->decorations = data[2];
 155                 mwmhints->inputMode = data[3];
 156                 if (count > 5)
 157                         mwmhints->unknown = data[4];
 158         }
 159         XFree(data);
 160
 161         return 1;
 162 }
 163
 164 void wMWMCheckClientHints(WWindow *wwin)
 165 {
 166         MWMHints hints;
 167
 168         if (getMWMHints(wwin->client_win, &hints))
 169                 setupMWMHints(wwin, &hints);
 170 }
 171
 172 #endif  /* MWM_HINTS */