src/motif.c

   1 /* motif.c-- stuff for support for mwm hints
   2  *
   3  *  Window Maker window manager
   4  *
   5  *  Copyright (c) 1998, 1999 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
  24 #include "wconfig.h"
  25
  26 #ifdef MWM_HINTS
  27
  28 #include <X11/Xlib.h>
  29 #include <X11/Xutil.h>
  30
  31 #include <stdlib.h>
  32 #include <stdio.h>
  33 #include <string.h>
  34
  35
  36 #include "WindowMaker.h"
  37
  38 #include "wcore.h"
  39 #include "framewin.h"
  40 #include "window.h"
  41 #include "properties.h"
  42 #include "icon.h"
  43 #include "client.h"
  44 #include "funcs.h"
  45
  46 #include "motif.h"
  47
  48
  49 /* Motif window hints */
  50 #define MWM_HINTS_FUNCTIONS           (1L << 0)
  51 #define MWM_HINTS_DECORATIONS         (1L << 1)
  52
  53 /* bit definitions for MwmHints.functions */
  54 #define MWM_FUNC_ALL            (1L << 0)
  55 #define MWM_FUNC_RESIZE         (1L << 1)
  56 #define MWM_FUNC_MOVE           (1L << 2)
  57 #define MWM_FUNC_MINIMIZE       (1L << 3)
  58 #define MWM_FUNC_MAXIMIZE       (1L << 4)
  59 #define MWM_FUNC_CLOSE          (1L << 5)
  60
  61 /* bit definitions for MwmHints.decorations */
  62 #define MWM_DECOR_ALL                 (1L << 0)
  63 #define MWM_DECOR_BORDER              (1L << 1)
  64 #define MWM_DECOR_RESIZEH             (1L << 2)
  65 #define MWM_DECOR_TITLE               (1L << 3)
  66 #define MWM_DECOR_MENU                (1L << 4)
  67 #define MWM_DECOR_MINIMIZE            (1L << 5)
  68 #define MWM_DECOR_MAXIMIZE            (1L << 6)
  69
  70 #define PROP_MWM_HINTS_ELEMENTS       4
  71
  72 /* Motif  window hints */
  73 typedef struct {
  74     long flags;
  75     long functions;
  76     long decorations;
  77     long inputMode;
  78 } MWMHints;
  79
  80 static Atom _XA_MOTIF_WM_HINTS;
  81
  82
  83
  84 static void
  85 setupMWMHints(WWindow *wwin, MWMHints *mwm_hints)
  86 {
  87     /*
  88      * We will ignore all decoration hints that have an equivalent as
  89      * functions, because wmaker does not distinguish decoration hints
  90      */
  91
  92     if (mwm_hints->flags & MWM_HINTS_DECORATIONS) {
  93 # ifdef DEBUG
  94         fprintf(stderr,"has decor hints [ ");
  95 # endif
  96         WSETUFLAG(wwin, no_titlebar, 1);
  97         WSETUFLAG(wwin, no_close_button, 1);
  98         WSETUFLAG(wwin, no_miniaturize_button, 1);
  99         WSETUFLAG(wwin, no_resizebar, 1);
 100
 101         if (mwm_hints->decorations & MWM_DECOR_ALL) {
 102 # ifdef DEBUG
 103             fprintf(stderr,"ALL ");
 104 # endif
 105             WSETUFLAG(wwin, no_titlebar, 0);
 106             WSETUFLAG(wwin, no_close_button, 0);
 107             WSETUFLAG(wwin, no_closable, 0);
 108             WSETUFLAG(wwin, no_miniaturize_button, 0);
 109             WSETUFLAG(wwin, no_miniaturizable, 0);
 110             WSETUFLAG(wwin, no_resizebar, 0);
 111             WSETUFLAG(wwin, no_resizable, 0);
 112         }
 113 /*
 114         if (mwm_hints->decorations & MWM_DECOR_BORDER) {
 115 # ifdef DEBUG
 116             fprintf(stderr,"(BORDER) ");
 117 # endif
 118         }
 119  */
 120
 121         if (mwm_hints->decorations & MWM_DECOR_RESIZEH) {
 122 # ifdef DEBUG
 123             fprintf(stderr,"RESIZEH ");
 124 # endif
 125             WSETUFLAG(wwin, no_resizebar, 0);
 126         }
 127
 128         if (mwm_hints->decorations & MWM_DECOR_TITLE) {
 129 # ifdef DEBUG
 130             fprintf(stderr,"TITLE+close ");
 131 # endif
 132             WSETUFLAG(wwin, no_titlebar, 0);
 133             WSETUFLAG(wwin, no_close_button, 0);
 134             WSETUFLAG(wwin, no_closable, 0);
 135         }
 136 /*
 137         if (mwm_hints->decorations & MWM_DECOR_MENU) {
 138 # ifdef DEBUG
 139             fprintf(stderr,"(MENU) ");
 140 # endif
 141         }
 142  */
 143
 144         if (mwm_hints->decorations & MWM_DECOR_MINIMIZE) {
 145 # ifdef DEBUG
 146             fprintf(stderr,"MINIMIZE ");
 147 # endif
 148             WSETUFLAG(wwin, no_miniaturize_button, 0);
 149             WSETUFLAG(wwin, no_miniaturizable, 0);
 150         }
 151 /*
 152         if (mwm_hints->decorations & MWM_DECOR_MAXIMIZE) {
 153 # ifdef DEBUG
 154             fprintf(stderr,"(MAXIMIZE) ");
 155 # endif
 156         }
 157  */
 158 # ifdef DEBUG
 159         fprintf(stderr,"]\n");
 160 # endif
 161     }
 162
 163
 164     if (mwm_hints->flags & MWM_HINTS_FUNCTIONS) {
 165 # ifdef DEBUG
 166         fprintf(stderr,"has function hints [ ");
 167 # endif
 168         WSETUFLAG(wwin, no_closable, 1);
 169         WSETUFLAG(wwin, no_miniaturizable, 1);
 170         WSETUFLAG(wwin, no_resizable, 1);
 171
 172         if (mwm_hints->functions & MWM_FUNC_ALL) {
 173 # ifdef DEBUG
 174             fprintf(stderr,"ALL ");
 175 # endif
 176             WSETUFLAG(wwin, no_closable, 0);
 177             WSETUFLAG(wwin, no_miniaturizable, 0);
 178             WSETUFLAG(wwin, no_resizable, 0);
 179         }
 180         if (mwm_hints->functions & MWM_FUNC_RESIZE) {
 181 # ifdef DEBUG
 182             fprintf(stderr,"RESIZE ");
 183 # endif
 184             WSETUFLAG(wwin, no_resizable, 0);
 185         }
 186         /*
 187         if (mwm_hints->functions & MWM_FUNC_MOVE) {
 188 # ifdef DEBUG
 189             fprintf(stderr,"(MOVE) ");
 190 # endif
 191         }
 192          */
 193         if (mwm_hints->functions & MWM_FUNC_MINIMIZE) {
 194 # ifdef DEBUG
 195             fprintf(stderr,"MINIMIZE ");
 196 # endif
 197             WSETUFLAG(wwin, no_miniaturizable, 0);
 198         }
 199         if (mwm_hints->functions & MWM_FUNC_MAXIMIZE) {
 200 # ifdef DEBUG
 201             fprintf(stderr,"MAXIMIZE ");
 202             /* a window must be resizable to be maximizable */
 203             WSETUFLAG(wwin, no_resizable, 0);
 204 # endif
 205         }
 206         if (mwm_hints->functions & MWM_FUNC_CLOSE) {
 207 # ifdef DEBUG
 208             fprintf(stderr,"CLOSE ");
 209 # endif
 210             WSETUFLAG(wwin, no_closable, 0);
 211         }
 212 # ifdef DEBUG
 213         fprintf(stderr,"]\n");
 214 # endif
 215     }
 216 }
 217
 218
 219 static int
 220 getMWMHints(Window window, MWMHints *mwmhints)
 221 {
 222     unsigned long *data;
 223
 224     if (!_XA_MOTIF_WM_HINTS) {
 225         _XA_MOTIF_WM_HINTS = XInternAtom(dpy, "_MOTIF_WM_HINTS", False);
 226     }
 227
 228     data = (unsigned long*)PropGetCheckProperty(window, _XA_MOTIF_WM_HINTS,
 229                                                 _XA_MOTIF_WM_HINTS, 32,
 230                                                 PROP_MWM_HINTS_ELEMENTS, NULL);
 231
 232     if (!data)
 233         return 0;
 234
 235     mwmhints->flags = data[0];
 236     mwmhints->functions = data[1];
 237     mwmhints->decorations = data[2];
 238     mwmhints->inputMode = data[3];
 239
 240     XFree(data);
 241
 242     return 1;
 243 }
 244
 245
 246 void
 247 wMWMCheckClientHints(WWindow *wwin)
 248 {
 249     MWMHints hints;
 250
 251     if (getMWMHints(wwin->client_win, &hints)) {
 252         setupMWMHints(wwin, &hints);
 253     }
 254 }
 255
 256
 257
 258 #endif /* MWM_HINTS */