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_CHANGE_STATE;
  37 extern Atom _XA_WM_PROTOCOLS;
  38 extern Atom _XA_WM_CLIENT_LEADER;
  39 extern Atom _XA_WM_TAKE_FOCUS;
  40 extern Atom _XA_WM_DELETE_WINDOW;
  41 extern Atom _XA_WM_SAVE_YOURSELF;
  42
  43 extern Atom _XA_GNUSTEP_WM_ATTR;
  44 extern Atom _XA_GNUSTEP_WM_MINIATURIZE_WINDOW;
  45
  46 extern Atom _XA_WINDOWMAKER_WM_FUNCTION;
  47 extern Atom _XA_WINDOWMAKER_MENU;
  48 extern Atom _XA_WINDOWMAKER_WM_PROTOCOLS;
  49 extern Atom _XA_WINDOWMAKER_NOTICEBOARD;
  50 extern Atom _XA_WINDOWMAKER_ICON_TILE;
  51 extern Atom _XA_WINDOWMAKER_ICON_SIZE;
  52
  53 int PropGetNormalHints(Window window, XSizeHints * size_hints, int *pre_iccm)
  54 {
  55         long supplied_hints;
  56
  57         if (!XGetWMNormalHints(dpy, window, size_hints, &supplied_hints)) {
  58                 return False;
  59         }
  60         if (supplied_hints == (USPosition | USSize | PPosition | PSize | PMinSize | PMaxSize
  61                                | PResizeInc | PAspect)) {
  62                 *pre_iccm = 1;
  63         } else {
  64                 *pre_iccm = 0;
  65         }
  66         return True;
  67 }
  68
  69 int PropGetWMClass(Window window, char **wm_class, char **wm_instance)
  70 {
  71         XClassHint *class_hint;
  72
  73         class_hint = XAllocClassHint();
  74         if (XGetClassHint(dpy, window, class_hint) == 0) {
  75                 *wm_class = NULL;
  76                 *wm_instance = NULL;
  77                 XFree(class_hint);
  78                 return False;
  79         }
  80         *wm_instance = class_hint->res_name;
  81         *wm_class = class_hint->res_class;
  82
  83         XFree(class_hint);
  84         return True;
  85 }
  86
  87 void PropGetProtocols(Window window, WProtocols * prots)
  88 {
  89         Atom *protocols;
  90         int count, i;
  91
  92         memset(prots, 0, sizeof(WProtocols));
  93         if (!XGetWMProtocols(dpy, window, &protocols, &count)) {
  94                 return;
  95         }
  96         for (i = 0; i < count; i++) {
  97                 if (protocols[i] == _XA_WM_TAKE_FOCUS)
  98                         prots->TAKE_FOCUS = 1;
  99                 else if (protocols[i] == _XA_WM_DELETE_WINDOW)
 100                         prots->DELETE_WINDOW = 1;
 101                 else if (protocols[i] == _XA_WM_SAVE_YOURSELF)
 102                         prots->SAVE_YOURSELF = 1;
 103                 else if (protocols[i] == _XA_GNUSTEP_WM_MINIATURIZE_WINDOW)
 104                         prots->MINIATURIZE_WINDOW = 1;
 105         }
 106         XFree(protocols);
 107 }
 108
 109 unsigned char *PropGetCheckProperty(Window window, Atom hint, Atom type, int format, int count, int *retCount)
 110 {
 111         Atom type_ret;
 112         int fmt_ret;
 113         unsigned long nitems_ret;
 114         unsigned long bytes_after_ret;
 115         unsigned char *data;
 116         int tmp;
 117
 118         if (count <= 0)
 119                 tmp = 0xffffff;
 120         else
 121                 tmp = count;
 122
 123         if (XGetWindowProperty(dpy, window, hint, 0, tmp, False, type,
 124                                &type_ret, &fmt_ret, &nitems_ret, &bytes_after_ret,
 125                                (unsigned char **)&data) != Success || !data)
 126                 return NULL;
 127
 128         if ((type != AnyPropertyType && type != type_ret)
 129             || (count > 0 && nitems_ret != count)
 130             || (format != 0 && format != fmt_ret)) {
 131                 XFree(data);
 132                 return NULL;
 133         }
 134
 135         if (retCount)
 136                 *retCount = nitems_ret;
 137
 138         return data;
 139 }
 140
 141 int PropGetGNUstepWMAttr(Window window, GNUstepWMAttributes ** attr)
 142 {
 143         unsigned long *data;
 144
 145         data = (unsigned long *)PropGetCheckProperty(window, _XA_GNUSTEP_WM_ATTR,
 146                                                      _XA_GNUSTEP_WM_ATTR, 32, 9, NULL);
 147
 148         if (!data)
 149                 return False;
 150
 151         *attr = malloc(sizeof(GNUstepWMAttributes));
 152         if (!*attr) {
 153                 XFree(data);
 154                 return False;
 155         }
 156         (*attr)->flags = data[0];
 157         (*attr)->window_style = data[1];
 158         (*attr)->window_level = data[2];
 159         (*attr)->reserved = data[3];
 160         (*attr)->miniaturize_pixmap = data[4];
 161         (*attr)->close_pixmap = data[5];
 162         (*attr)->miniaturize_mask = data[6];
 163         (*attr)->close_mask = data[7];
 164         (*attr)->extra_flags = data[8];
 165
 166         XFree(data);
 167
 168         return True;
 169 }
 170
 171 void PropSetWMakerProtocols(Window root)
 172 {
 173         Atom protocols[3];
 174         int count = 0;
 175
 176         protocols[count++] = _XA_WINDOWMAKER_MENU;
 177         protocols[count++] = _XA_WINDOWMAKER_WM_FUNCTION;
 178         protocols[count++] = _XA_WINDOWMAKER_NOTICEBOARD;
 179
 180         XChangeProperty(dpy, root, _XA_WINDOWMAKER_WM_PROTOCOLS, XA_ATOM,
 181                         32, PropModeReplace, (unsigned char *)protocols, count);
 182 }
 183
 184 void PropSetIconTileHint(WScreen * scr, RImage * image)
 185 {
 186         static Atom imageAtom = 0;
 187         unsigned char *tmp;
 188         int x, y;
 189
 190         if (scr->info_window == None)
 191                 return;
 192
 193         if (!imageAtom) {
 194                 /*
 195                  * WIDTH, HEIGHT (16 bits, MSB First)
 196                  * array of R,G,B,A bytes
 197                  */
 198                 imageAtom = XInternAtom(dpy, "_RGBA_IMAGE", False);
 199         }
 200
 201         tmp = malloc(image->width * image->height * 4 + 4);
 202         if (!tmp) {
 203                 wwarning("could not allocate memory to set _WINDOWMAKER_ICON_TILE hint");
 204                 return;
 205         }
 206
 207         tmp[0] = image->width >> 8;
 208         tmp[1] = image->width & 0xff;
 209         tmp[2] = image->height >> 8;
 210         tmp[3] = image->height & 0xff;
 211
 212         if (image->format == RRGBAFormat) {
 213                 memcpy(&tmp[4], image->data, image->width * image->height * 4);
 214         } else {
 215                 char *ptr = (char *)(tmp + 4);
 216                 char *src = (char *)image->data;
 217
 218                 for (y = 0; y < image->height; y++) {
 219                         for (x = 0; x < image->width; x++) {
 220                                 *ptr++ = *src++;
 221                                 *ptr++ = *src++;
 222                                 *ptr++ = *src++;
 223                                 *ptr++ = 255;
 224                         }
 225                 }
 226         }
 227
 228         XChangeProperty(dpy, scr->info_window, _XA_WINDOWMAKER_ICON_TILE,
 229                         imageAtom, 8, PropModeReplace, tmp, image->width * image->height * 4 + 4);
 230         wfree(tmp);
 231
 232 }
 233
 234 Window PropGetClientLeader(Window window)
 235 {
 236         Window *win;
 237         Window leader;
 238
 239         win = (Window *) PropGetCheckProperty(window, _XA_WM_CLIENT_LEADER, XA_WINDOW, 32, 1, NULL);
 240
 241         if (!win)
 242                 return None;
 243
 244         leader = (Window) * win;
 245         XFree(win);
 246
 247         return leader;
 248 }
 249
 250 void PropWriteGNUstepWMAttr(Window window, GNUstepWMAttributes * attr)
 251 {
 252         unsigned long data[9];
 253
 254         data[0] = attr->flags;
 255         data[1] = attr->window_style;
 256         data[2] = attr->window_level;
 257         data[3] = 0;            /* reserved */
 258         /* The X protocol says XIDs are 32bit */
 259         data[4] = attr->miniaturize_pixmap;
 260         data[5] = attr->close_pixmap;
 261         data[6] = attr->miniaturize_mask;
 262         data[7] = attr->close_mask;
 263         data[8] = attr->extra_flags;
 264         XChangeProperty(dpy, window, _XA_GNUSTEP_WM_ATTR, _XA_GNUSTEP_WM_ATTR,
 265                         32, PropModeReplace, (unsigned char *)data, 9);
 266 }
 267
 268 int PropGetWindowState(Window window)
 269 {
 270         long *data;
 271         long state;
 272
 273         data = (long *)PropGetCheckProperty(window, _XA_WM_STATE, _XA_WM_STATE, 32, 1, NULL);
 274
 275         if (!data)
 276                 return -1;
 277
 278         state = *data;
 279         XFree(data);
 280
 281         return state;
 282 }
 283
 284 void PropCleanUp(Window root)
 285 {
 286         XDeleteProperty(dpy, root, _XA_WINDOWMAKER_WM_PROTOCOLS);
 287         XDeleteProperty(dpy, root, _XA_WINDOWMAKER_NOTICEBOARD);
 288         XDeleteProperty(dpy, root, XA_WM_ICON_SIZE);
 289 }