src/properties.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <X11/Xlib.h>
  25 #include <X11/Xutil.h>
  26 #include <X11/Xatom.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #include "WindowMaker.h"
  31 #include "window.h"
  32 #include "GNUstep.h"
  33
  34
  35 /* atoms */
  36 extern Atom _XA_WM_STATE;
  37 extern Atom _XA_WM_CHANGE_STATE;
  38 extern Atom _XA_WM_PROTOCOLS;
  39 extern Atom _XA_WM_CLIENT_LEADER;
  40 extern Atom _XA_WM_TAKE_FOCUS;
  41 extern Atom _XA_WM_DELETE_WINDOW;
  42 extern Atom _XA_WM_SAVE_YOURSELF;
  43 #ifdef XSMP_ENABLED
  44 extern Atom _XA_WM_WINDOW_ROLE;
  45 extern Atom _XA_SM_CLIENT_ID;
  46 #endif
  47
  48
  49 extern Atom _XA_GNUSTEP_WM_ATTR;
  50 extern Atom _XA_GNUSTEP_WM_MINIATURIZE_WINDOW;
  51
  52 extern Atom _XA_WINDOWMAKER_WM_FUNCTION;
  53 extern Atom _XA_WINDOWMAKER_MENU;
  54 extern Atom _XA_WINDOWMAKER_WM_PROTOCOLS;
  55 extern Atom _XA_WINDOWMAKER_NOTICEBOARD;
  56 extern Atom _XA_WINDOWMAKER_ICON_TILE;
  57 extern Atom _XA_WINDOWMAKER_ICON_SIZE;
  58
  59 int
  60 PropGetNormalHints(Window window, XSizeHints *size_hints, int *pre_iccm)
  61 {
  62     long supplied_hints;
  63
  64     if (!XGetWMNormalHints(dpy, window, size_hints, &supplied_hints)) {
  65         return False;
  66     }
  67     if (supplied_hints==(USPosition|USSize|PPosition|PSize|PMinSize|PMaxSize
  68                          |PResizeInc|PAspect)) {
  69         *pre_iccm = 1;
  70     } else {
  71         *pre_iccm = 0;
  72     }
  73     return True;
  74 }
  75
  76
  77 int
  78 PropGetWMClass(Window window, char **wm_class, char **wm_instance)
  79 {
  80     XClassHint  *class_hint;
  81
  82     class_hint = XAllocClassHint();
  83     if (XGetClassHint(dpy,window,class_hint) == 0) {
  84         *wm_class = NULL;
  85         *wm_instance = NULL;
  86         XFree(class_hint);
  87         return False;
  88     }
  89     *wm_instance = class_hint->res_name;
  90     *wm_class = class_hint->res_class;
  91
  92     XFree(class_hint);
  93     return True;
  94 }
  95
  96
  97 void
  98 PropGetProtocols(Window window, WProtocols *prots)
  99 {
 100     Atom *protocols;
 101     int count, i;
 102
 103     memset(prots, 0, sizeof(WProtocols));
 104     if (!XGetWMProtocols(dpy, window, &protocols, &count)) {
 105         return;
 106     }
 107     for (i=0; i<count; i++) {
 108         if (protocols[i]==_XA_WM_TAKE_FOCUS)
 109             prots->TAKE_FOCUS=1;
 110         else if (protocols[i]==_XA_WM_DELETE_WINDOW)
 111             prots->DELETE_WINDOW=1;
 112         else if (protocols[i]==_XA_WM_SAVE_YOURSELF)
 113             prots->SAVE_YOURSELF=1;
 114         else if (protocols[i]==_XA_GNUSTEP_WM_MINIATURIZE_WINDOW)
 115             prots->MINIATURIZE_WINDOW=1;
 116     }
 117     XFree(protocols);
 118 }
 119
 120
 121 unsigned char*
 122 PropGetCheckProperty(Window window, Atom hint, Atom type, int format,
 123                      int count, int *retCount)
 124 {
 125     Atom type_ret;
 126     int fmt_ret;
 127     unsigned long nitems_ret;
 128     unsigned long bytes_after_ret;
 129     unsigned char *data;
 130     int tmp;
 131
 132     if (count <= 0)
 133         tmp = 0xffffff;
 134     else
 135         tmp = count;
 136
 137     if (XGetWindowProperty(dpy, window, hint, 0, tmp, False, type,
 138                            &type_ret, &fmt_ret, &nitems_ret, &bytes_after_ret,
 139                            (unsigned char **)&data)!=Success || !data)
 140         return NULL;
 141
 142     if ((type!=AnyPropertyType && type!=type_ret)
 143         || (count > 0 && nitems_ret != count)
 144         || (format != 0 && format != fmt_ret)) {
 145         XFree(data);
 146         return NULL;
 147     }
 148
 149     if (retCount)
 150         *retCount = nitems_ret;
 151
 152     return data;
 153 }
 154
 155
 156 int
 157 PropGetGNUstepWMAttr(Window window, GNUstepWMAttributes **attr)
 158 {
 159     unsigned long *data;
 160
 161     data = (unsigned long*)PropGetCheckProperty(window, _XA_GNUSTEP_WM_ATTR,
 162                                                 _XA_GNUSTEP_WM_ATTR, 32, 9,
 163                                                 NULL);
 164
 165     if (!data)
 166         return False;
 167
 168     *attr = malloc(sizeof(GNUstepWMAttributes));
 169     if (!*attr) {
 170         XFree(data);
 171         return False;
 172     }
 173     (*attr)->flags = data[0];
 174     (*attr)->window_style = data[1];
 175     (*attr)->window_level = data[2];
 176     (*attr)->reserved = data[3];
 177     (*attr)->miniaturize_pixmap = data[4];
 178     (*attr)->close_pixmap = data[5];
 179     (*attr)->miniaturize_mask = data[6];
 180     (*attr)->close_mask = data[7];
 181     (*attr)->extra_flags = data[8];
 182
 183     XFree(data);
 184
 185     return True;
 186 }
 187
 188
 189
 190 void
 191 PropSetWMakerProtocols(Window root)
 192 {
 193     Atom protocols[3];
 194     int count=0;
 195
 196     protocols[count++] = _XA_WINDOWMAKER_MENU;
 197     protocols[count++] = _XA_WINDOWMAKER_WM_FUNCTION;
 198     protocols[count++] = _XA_WINDOWMAKER_NOTICEBOARD;
 199
 200     XChangeProperty(dpy, root, _XA_WINDOWMAKER_WM_PROTOCOLS, XA_ATOM,
 201                     32, PropModeReplace,  (unsigned char *)protocols, count);
 202 }
 203
 204
 205 void
 206 PropSetIconTileHint(WScreen *scr, RImage *image)
 207 {
 208     static Atom imageAtom = 0;
 209     unsigned char *tmp;
 210     int x, y;
 211
 212     if (scr->info_window == None)
 213         return;
 214
 215     if (!imageAtom) {
 216         /*
 217          * WIDTH, HEIGHT (16 bits, MSB First)
 218          * array of R,G,B,A bytes
 219          */
 220         imageAtom = XInternAtom(dpy, "_RGBA_IMAGE", False);
 221     }
 222
 223     tmp = malloc(image->width * image->height * 4 + 4);
 224     if (!tmp) {
 225         wwarning("could not allocate memory to set _WINDOWMAKER_ICON_TILE hint");
 226         return;
 227     }
 228
 229     tmp[0] = image->width>>8;
 230     tmp[1] = image->width&0xff;
 231     tmp[2] = image->height>>8;
 232     tmp[3] = image->height&0xff;
 233
 234     if (image->format == RRGBAFormat) {
 235         memcpy(&tmp[4], image->data, image->width*image->height*4);
 236     } else {
 237         char *ptr = (char*)(tmp+4);
 238         char *src = (char*)image->data;
 239
 240         for (y = 0; y < image->height; y++) {
 241             for (x = 0; x < image->width; x++) {
 242                 *ptr++ = *src++;
 243                 *ptr++ = *src++;
 244                 *ptr++ = *src++;
 245                 *ptr++ = 255;
 246             }
 247         }
 248     }
 249
 250     XChangeProperty(dpy, scr->info_window, _XA_WINDOWMAKER_ICON_TILE,
 251                     imageAtom, 8, PropModeReplace, tmp,
 252                     image->width * image->height * 4 + 4);
 253     wfree(tmp);
 254
 255 }
 256
 257
 258 Window
 259 PropGetClientLeader(Window window)
 260 {
 261     Window *win;
 262     Window leader;
 263
 264     win = (Window*)PropGetCheckProperty(window, _XA_WM_CLIENT_LEADER,
 265                                         XA_WINDOW, 32, 1, NULL);
 266
 267     if (!win)
 268         return None;
 269
 270     leader = (Window)*win;
 271     XFree(win);
 272
 273     return leader;
 274 }
 275
 276
 277 #ifdef XSMP_ENABLED
 278 char*
 279 PropGetClientID(Window window)
 280 {
 281     XTextProperty txprop;
 282
 283     txprop.value = NULL;
 284
 285     if (XGetTextProperty(dpy, window, &txprop, _XA_SM_CLIENT_ID)!=Success) {
 286         return NULL;
 287     }
 288
 289     if (txprop.encoding == XA_STRING && txprop.format == 8
 290         && txprop.nitems > 0) {
 291
 292         return (char*)txprop.value;
 293     } else {
 294
 295         if (txprop.value)
 296             XFree(txprop.value);
 297
 298         return NULL;
 299     }
 300 }
 301
 302
 303 char*
 304 PropGetWindowRole(Window window)
 305 {
 306     XTextProperty txprop;
 307
 308     txprop.value = NULL;
 309
 310     if (XGetTextProperty(dpy, window, &txprop, _XA_WM_WINDOW_ROLE)!=Success) {
 311         return NULL;
 312     }
 313
 314     if (txprop.encoding == XA_STRING && txprop.format == 8
 315         && txprop.nitems > 0) {
 316
 317         return (char*)txprop.value;
 318     } else {
 319
 320         if (txprop.value)
 321             XFree(txprop.value);
 322
 323         return NULL;
 324     }
 325 }
 326 #endif /* XSMP_ENABLED */
 327
 328
 329 void
 330 PropWriteGNUstepWMAttr(Window window, GNUstepWMAttributes *attr)
 331 {
 332     unsigned long data[9];
 333
 334     data[0] = attr->flags;
 335     data[1] = attr->window_style;
 336     data[2] = attr->window_level;
 337     data[3] = 0;                       /* reserved */
 338     /* The X protocol says XIDs are 32bit */
 339     data[4] = attr->miniaturize_pixmap;
 340     data[5] = attr->close_pixmap;
 341     data[6] = attr->miniaturize_mask;
 342     data[7] = attr->close_mask;
 343     data[8] = attr->extra_flags;
 344     XChangeProperty(dpy, window, _XA_GNUSTEP_WM_ATTR, _XA_GNUSTEP_WM_ATTR,
 345                     32, PropModeReplace,  (unsigned char *)data, 9);
 346 }
 347
 348
 349 int
 350 PropGetWindowState(Window window)
 351 {
 352     long *data;
 353     long state;
 354
 355     data = (long*)PropGetCheckProperty(window, _XA_WM_STATE, _XA_WM_STATE,
 356                                        32, 1, NULL);
 357
 358     if (!data)
 359         return -1;
 360
 361     state = *data;
 362     XFree(data);
 363
 364     return state;
 365 }
 366
 367
 368 void
 369 PropCleanUp(Window root)
 370 {
 371     XDeleteProperty(dpy, root, _XA_WINDOWMAKER_WM_PROTOCOLS);
 372
 373     XDeleteProperty(dpy, root, _XA_WINDOWMAKER_NOTICEBOARD);
 374
 375     XDeleteProperty(dpy, root, XA_WM_ICON_SIZE);
 376 }
 377
 378