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
  30 #include <stdlib.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33
  34 #include "WindowMaker.h"
  35
  36 #include "framewin.h"
  37 #include "window.h"
  38 #include "properties.h"
  39 #include "icon.h"
  40 #include "client.h"
  41 #include "funcs.h"
  42
  43 #include "motif.h"
  44
  45 /* Motif window hints */
  46 #define MWM_HINTS_FUNCTIONS           (1L << 0)
  47 #define MWM_HINTS_DECORATIONS         (1L << 1)
  48
  49 /* bit definitions for MwmHints.functions */
  50 #define MWM_FUNC_ALL            (1L << 0)
  51 #define MWM_FUNC_RESIZE         (1L << 1)
  52 #define MWM_FUNC_MOVE           (1L << 2)
  53 #define MWM_FUNC_MINIMIZE       (1L << 3)
  54 #define MWM_FUNC_MAXIMIZE       (1L << 4)
  55 #define MWM_FUNC_CLOSE          (1L << 5)
  56
  57 /* bit definitions for MwmHints.decorations */
  58 #define MWM_DECOR_ALL                 (1L << 0)
  59 #define MWM_DECOR_BORDER              (1L << 1)
  60 #define MWM_DECOR_RESIZEH             (1L << 2)
  61 #define MWM_DECOR_TITLE               (1L << 3)
  62 #define MWM_DECOR_MENU                (1L << 4)
  63 #define MWM_DECOR_MINIMIZE            (1L << 5)
  64 #define MWM_DECOR_MAXIMIZE            (1L << 6)
  65
  66 #define PROP_MWM_HINTS_ELEMENTS       5
  67
  68 /* Motif  window hints */
  69 typedef struct {
  70         long flags;
  71         long functions;
  72         long decorations;
  73         long inputMode;
  74         long unknown;
  75 } MWMHints;
  76
  77 static Atom _XA_MOTIF_WM_HINTS;
  78
  79 static void setupMWMHints(WWindow * wwin, MWMHints * mwm_hints)
  80 {
  81         /*
  82          * We will ignore all decoration hints that have an equivalent as
  83          * functions, because wmaker does not distinguish decoration hints
  84          */
  85
  86         if (mwm_hints->flags & MWM_HINTS_DECORATIONS) {
  87 # ifdef DEBUG
  88                 fprintf(stderr, "has decor hints [ ");
  89 # endif
  90                 WSETUFLAG(wwin, no_titlebar, 1);
  91                 WSETUFLAG(wwin, no_close_button, 1);
  92                 WSETUFLAG(wwin, no_miniaturize_button, 1);
  93                 WSETUFLAG(wwin, no_resizebar, 1);
  94
  95                 if (mwm_hints->decorations & MWM_DECOR_ALL) {
  96 # ifdef DEBUG
  97                         fprintf(stderr, "ALL ");
  98 # endif
  99                         WSETUFLAG(wwin, no_titlebar, 0);
 100                         WSETUFLAG(wwin, no_close_button, 0);
 101                         WSETUFLAG(wwin, no_closable, 0);
 102                         WSETUFLAG(wwin, no_miniaturize_button, 0);
 103                         WSETUFLAG(wwin, no_miniaturizable, 0);
 104                         WSETUFLAG(wwin, no_resizebar, 0);
 105                         WSETUFLAG(wwin, no_resizable, 0);
 106                 }
 107                 /*
 108                    if (mwm_hints->decorations & MWM_DECOR_BORDER) {
 109                    # ifdef DEBUG
 110                    fprintf(stderr,"(BORDER) ");
 111                    # endif
 112                    }
 113                  */
 114
 115                 if (mwm_hints->decorations & MWM_DECOR_RESIZEH) {
 116 # ifdef DEBUG
 117                         fprintf(stderr, "RESIZEH ");
 118 # endif
 119                         WSETUFLAG(wwin, no_resizebar, 0);
 120                 }
 121
 122                 if (mwm_hints->decorations & MWM_DECOR_TITLE) {
 123 # ifdef DEBUG
 124                         fprintf(stderr, "TITLE+close ");
 125 # endif
 126                         WSETUFLAG(wwin, no_titlebar, 0);
 127                         WSETUFLAG(wwin, no_close_button, 0);
 128                         WSETUFLAG(wwin, no_closable, 0);
 129                 }
 130                 /*
 131                    if (mwm_hints->decorations & MWM_DECOR_MENU) {
 132                    # ifdef DEBUG
 133                    fprintf(stderr,"(MENU) ");
 134                    # endif
 135                    }
 136                  */
 137
 138                 if (mwm_hints->decorations & MWM_DECOR_MINIMIZE) {
 139 # ifdef DEBUG
 140                         fprintf(stderr, "MINIMIZE ");
 141 # endif
 142                         WSETUFLAG(wwin, no_miniaturize_button, 0);
 143                         WSETUFLAG(wwin, no_miniaturizable, 0);
 144                 }
 145                 /*
 146                    if (mwm_hints->decorations & MWM_DECOR_MAXIMIZE) {
 147                    # ifdef DEBUG
 148                    fprintf(stderr,"(MAXIMIZE) ");
 149                    # endif
 150                    }
 151                  */
 152 # ifdef DEBUG
 153                 fprintf(stderr, "]\n");
 154 # endif
 155         }
 156
 157         if (mwm_hints->flags & MWM_HINTS_FUNCTIONS) {
 158 # ifdef DEBUG
 159                 fprintf(stderr, "has function hints [ ");
 160 # endif
 161                 WSETUFLAG(wwin, no_closable, 1);
 162                 WSETUFLAG(wwin, no_miniaturizable, 1);
 163                 WSETUFLAG(wwin, no_resizable, 1);
 164
 165                 if (mwm_hints->functions & MWM_FUNC_ALL) {
 166 # ifdef DEBUG
 167                         fprintf(stderr, "ALL ");
 168 # endif
 169                         WSETUFLAG(wwin, no_closable, 0);
 170                         WSETUFLAG(wwin, no_miniaturizable, 0);
 171                         WSETUFLAG(wwin, no_resizable, 0);
 172                 }
 173                 if (mwm_hints->functions & MWM_FUNC_RESIZE) {
 174 # ifdef DEBUG
 175                         fprintf(stderr, "RESIZE ");
 176 # endif
 177                         WSETUFLAG(wwin, no_resizable, 0);
 178                 }
 179                 /*
 180                    if (mwm_hints->functions & MWM_FUNC_MOVE) {
 181                    # ifdef DEBUG
 182                    fprintf(stderr,"(MOVE) ");
 183                    # endif
 184                    }
 185                  */
 186                 if (mwm_hints->functions & MWM_FUNC_MINIMIZE) {
 187 # ifdef DEBUG
 188                         fprintf(stderr, "MINIMIZE ");
 189 # endif
 190                         WSETUFLAG(wwin, no_miniaturizable, 0);
 191                 }
 192                 if (mwm_hints->functions & MWM_FUNC_MAXIMIZE) {
 193 # ifdef DEBUG
 194                         fprintf(stderr, "MAXIMIZE ");
 195                         /* a window must be resizable to be maximizable */
 196                         WSETUFLAG(wwin, no_resizable, 0);
 197 # endif
 198                 }
 199                 if (mwm_hints->functions & MWM_FUNC_CLOSE) {
 200 # ifdef DEBUG
 201                         fprintf(stderr, "CLOSE ");
 202 # endif
 203                         WSETUFLAG(wwin, no_closable, 0);
 204                 }
 205 # ifdef DEBUG
 206                 fprintf(stderr, "]\n");
 207 # endif
 208         }
 209 }
 210
 211 static int getMWMHints(Window window, MWMHints * mwmhints)
 212 {
 213         unsigned long *data;
 214         int count;
 215
 216         if (!_XA_MOTIF_WM_HINTS) {
 217                 _XA_MOTIF_WM_HINTS = XInternAtom(dpy, "_MOTIF_WM_HINTS", False);
 218         }
 219
 220         data = (unsigned long *)PropGetCheckProperty(window, _XA_MOTIF_WM_HINTS,
 221                                                      _XA_MOTIF_WM_HINTS, 32, 0, &count);
 222
 223         if (!data)
 224                 return 0;
 225
 226         if (count >= 4) {
 227                 mwmhints->flags = data[0];
 228                 mwmhints->functions = data[1];
 229                 mwmhints->decorations = data[2];
 230                 mwmhints->inputMode = data[3];
 231                 if (count > 5)
 232                         mwmhints->unknown = data[4];
 233         }
 234         XFree(data);
 235
 236         return 1;
 237 }
 238
 239 void wMWMCheckClientHints(WWindow * wwin)
 240 {
 241         MWMHints hints;
 242
 243         if (getMWMHints(wwin->client_win, &hints)) {
 244                 setupMWMHints(wwin, &hints);
 245         }
 246 }
 247
 248 #endif                          /* MWM_HINTS */