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