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