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 along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "wconfig.h"
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/Xutil.h>
  25 #include <X11/Xatom.h>
  26 #include <string.h>
  27 #include <stdlib.h>
  28
  29 #include "WindowMaker.h"
  30 #include "window.h"
  31 #include "GNUstep.h"
  32
  33 /* atoms */
  34 extern Atom _XA_WM_STATE;
  35 extern Atom _XA_WM_CLIENT_LEADER;
  36 extern Atom _XA_WM_TAKE_FOCUS;
  37 extern Atom _XA_WM_DELETE_WINDOW;
  38 extern Atom _XA_WM_SAVE_YOURSELF;
  39 extern Atom _XA_GNUSTEP_WM_ATTR;
  40 extern Atom _XA_GNUSTEP_WM_MINIATURIZE_WINDOW;
  41 extern Atom _XA_WINDOWMAKER_WM_FUNCTION;
  42 extern Atom _XA_WINDOWMAKER_MENU;
  43 extern Atom _XA_WINDOWMAKER_WM_PROTOCOLS;
  44 extern Atom _XA_WINDOWMAKER_NOTICEBOARD;
  45 extern Atom _XA_WINDOWMAKER_ICON_TILE;
  46
  47 int PropGetNormalHints(Window window, XSizeHints * size_hints, int *pre_iccm)
  48 {
  49         long supplied_hints;
  50
  51         if (!XGetWMNormalHints(dpy, window, size_hints, &supplied_hints)) {
  52                 return False;
  53         }
  54         if (supplied_hints == (USPosition | USSize | PPosition | PSize | PMinSize | PMaxSize
  55                                | PResizeInc | PAspect)) {
  56                 *pre_iccm = 1;
  57         } else {
  58                 *pre_iccm = 0;
  59         }
  60         return True;
  61 }
  62
  63 int PropGetWMClass(Window window, char **wm_class, char **wm_instance)
  64 {
  65         XClassHint *class_hint;
  66
  67         class_hint = XAllocClassHint();
  68         if (XGetClassHint(dpy, window, class_hint) == 0) {
  69                 *wm_class = strdup("default");
  70                 *wm_instance = strdup("default");
  71                 XFree(class_hint);
  72                 return False;
  73         }
  74         *wm_instance = strdup(class_hint->res_name);
  75         *wm_class = strdup(class_hint->res_class);
  76
  77         XFree(class_hint->res_name);
  78         XFree(class_hint->res_class);
  79         XFree(class_hint);
  80
  81         return True;
  82 }
  83
  84 void PropGetProtocols(Window window, WProtocols * prots)
  85 {
  86         Atom *protocols;
  87         int count, i;
  88
  89         memset(prots, 0, sizeof(WProtocols));
  90         if (!XGetWMProtocols(dpy, window, &protocols, &count)) {
  91                 return;
  92         }
  93         for (i = 0; i < count; i++) {
  94                 if (protocols[i] == _XA_WM_TAKE_FOCUS)
  95                         prots->TAKE_FOCUS = 1;
  96                 else if (protocols[i] == _XA_WM_DELETE_WINDOW)
  97                         prots->DELETE_WINDOW = 1;
  98                 else if (protocols[i] == _XA_WM_SAVE_YOURSELF)
  99                         prots->SAVE_YOURSELF = 1;
 100                 else if (protocols[i] == _XA_GNUSTEP_WM_MINIATURIZE_WINDOW)
 101                         prots->MINIATURIZE_WINDOW = 1;
 102         }
 103         XFree(protocols);
 104 }
 105
 106 unsigned char *PropGetCheckProperty(Window window, Atom hint, Atom type, int format, int count, int *retCount)
 107 {
 108         Atom type_ret;
 109         int fmt_ret;
 110         unsigned long nitems_ret;
 111         unsigned long bytes_after_ret;
 112         unsigned char *data;
 113         int tmp;
 114
 115         if (count <= 0)
 116                 tmp = 0xffffff;
 117         else
 118                 tmp = count;
 119
 120         if (XGetWindowProperty(dpy, window, hint, 0, tmp, False, type,
 121                                &type_ret, &fmt_ret, &nitems_ret, &bytes_after_ret,
 122                                (unsigned char **)&data) != Success || !data)
 123                 return NULL;
 124
 125         if ((type != AnyPropertyType && type != type_ret)
 126             || (count > 0 && nitems_ret != count)
 127             || (format != 0 && format != fmt_ret)) {
 128                 XFree(data);
 129                 return NULL;
 130         }
 131
 132         if (retCount)
 133                 *retCount = nitems_ret;
 134
 135         return data;
 136 }
 137
 138 int PropGetGNUstepWMAttr(Window window, GNUstepWMAttributes ** attr)
 139 {
 140         unsigned long *data;
 141
 142         data = (unsigned long *)PropGetCheckProperty(window, _XA_GNUSTEP_WM_ATTR,
 143                                                      _XA_GNUSTEP_WM_ATTR, 32, 9, NULL);
 144
 145         if (!data)
 146                 return False;
 147
 148         *attr = malloc(sizeof(GNUstepWMAttributes));
 149         if (!*attr) {
 150                 XFree(data);
 151                 return False;
 152         }
 153         (*attr)->flags = data[0];
 154         (*attr)->window_style = data[1];
 155         (*attr)->window_level = data[2];
 156         (*attr)->reserved = data[3];
 157         (*attr)->miniaturize_pixmap = data[4];
 158         (*attr)->close_pixmap = data[5];
 159         (*attr)->miniaturize_mask = data[6];
 160         (*attr)->close_mask = data[7];
 161         (*attr)->extra_flags = data[8];
 162
 163         XFree(data);
 164
 165         return True;
 166 }
 167
 168 void PropSetWMakerProtocols(Window root)
 169 {
 170         Atom protocols[3];
 171         int count = 0;
 172
 173         protocols[count++] = _XA_WINDOWMAKER_MENU;
 174         protocols[count++] = _XA_WINDOWMAKER_WM_FUNCTION;
 175         protocols[count++] = _XA_WINDOWMAKER_NOTICEBOARD;
 176
 177         XChangeProperty(dpy, root, _XA_WINDOWMAKER_WM_PROTOCOLS, XA_ATOM,
 178                         32, PropModeReplace, (unsigned char *)protocols, count);
 179 }
 180
 181 void PropSetIconTileHint(WScreen * scr, RImage * image)
 182 {
 183         static Atom imageAtom = 0;
 184         unsigned char *tmp;
 185         int x, y;
 186
 187         if (scr->info_window == None)
 188                 return;
 189
 190         if (!imageAtom) {
 191                 /*
 192                  * WIDTH, HEIGHT (16 bits, MSB First)
 193                  * array of R,G,B,A bytes
 194                  */
 195                 imageAtom = XInternAtom(dpy, "_RGBA_IMAGE", False);
 196         }
 197
 198         tmp = malloc(image->width * image->height * 4 + 4);
 199         if (!tmp) {
 200                 wwarning("could not allocate memory to set _WINDOWMAKER_ICON_TILE hint");
 201                 return;
 202         }
 203
 204         tmp[0] = image->width >> 8;
 205         tmp[1] = image->width & 0xff;
 206         tmp[2] = image->height >> 8;
 207         tmp[3] = image->height & 0xff;
 208
 209         if (image->format == RRGBAFormat) {
 210                 memcpy(&tmp[4], image->data, image->width * image->height * 4);
 211         } else {
 212                 char *ptr = (char *)(tmp + 4);
 213                 char *src = (char *)image->data;
 214
 215                 for (y = 0; y < image->height; y++) {
 216                         for (x = 0; x < image->width; x++) {
 217                                 *ptr++ = *src++;
 218                                 *ptr++ = *src++;
 219                                 *ptr++ = *src++;
 220                                 *ptr++ = 255;
 221                         }
 222                 }
 223         }
 224
 225         XChangeProperty(dpy, scr->info_window, _XA_WINDOWMAKER_ICON_TILE,
 226                         imageAtom, 8, PropModeReplace, tmp, image->width * image->height * 4 + 4);
 227         wfree(tmp);
 228
 229 }
 230
 231 Window PropGetClientLeader(Window window)
 232 {
 233         Window *win;
 234         Window leader;
 235
 236         win = (Window *) PropGetCheckProperty(window, _XA_WM_CLIENT_LEADER, XA_WINDOW, 32, 1, NULL);
 237
 238         if (!win)
 239                 return None;
 240
 241         leader = (Window) * win;
 242         XFree(win);
 243
 244         return leader;
 245 }
 246
 247 void PropWriteGNUstepWMAttr(Window window, GNUstepWMAttributes * attr)
 248 {
 249         unsigned long data[9];
 250
 251         data[0] = attr->flags;
 252         data[1] = attr->window_style;
 253         data[2] = attr->window_level;
 254         data[3] = 0;            /* reserved */
 255         /* The X protocol says XIDs are 32bit */
 256         data[4] = attr->miniaturize_pixmap;
 257         data[5] = attr->close_pixmap;
 258         data[6] = attr->miniaturize_mask;
 259         data[7] = attr->close_mask;
 260         data[8] = attr->extra_flags;
 261         XChangeProperty(dpy, window, _XA_GNUSTEP_WM_ATTR, _XA_GNUSTEP_WM_ATTR,
 262                         32, PropModeReplace, (unsigned char *)data, 9);
 263 }
 264
 265 int PropGetWindowState(Window window)
 266 {
 267         long *data;
 268         long state;
 269
 270         data = (long *)PropGetCheckProperty(window, _XA_WM_STATE, _XA_WM_STATE, 32, 1, NULL);
 271
 272         if (!data)
 273                 return -1;
 274
 275         state = *data;
 276         XFree(data);
 277
 278         return state;
 279 }
 280
 281 void PropCleanUp(Window root)
 282 {
 283         XDeleteProperty(dpy, root, _XA_WINDOWMAKER_WM_PROTOCOLS);
 284         XDeleteProperty(dpy, root, _XA_WINDOWMAKER_NOTICEBOARD);
 285         XDeleteProperty(dpy, root, XA_WM_ICON_SIZE);
 286 }