Dogcows Code - chaz/openbox/blob - cwmcc/prop.c

   1 #include "cwmcc_internal.h"
   2 #include "atom.h"
   3
   4 #include <X11/Xutil.h>
   5 #include <glib.h>
   6 #include <string.h>
   7
   8 /* this just isn't used...
   9 static gboolean get(Window win, Atom prop, Atom type, int size,
  10                     guchar **data, gulong num)
  11 {
  12     gboolean ret = FALSE;
  13     int res;
  14     guchar *xdata = NULL;
  15     Atom ret_type;
  16     int ret_size;
  17     gulong ret_items, bytes_left;
  18     long num32 = 32 / size * num; /\* num in 32-bit elements *\/
  19
  20     res = XGetWindowProperty(cwmcc_display, win, prop, 0l, num32,
  21                              FALSE, type, &ret_type, &ret_size,
  22                              &ret_items, &bytes_left, &xdata);
  23     if (res == Success && ret_items && xdata) {
  24         if (ret_size == size && ret_items >= num) {
  25             *data = g_memdup(xdata, num * (size / 8));
  26             ret = TRUE;
  27         }
  28         XFree(xdata);
  29     }
  30     return ret;
  31 }
  32 */
  33
  34 static gboolean get_prealloc(Window win, Atom prop, Atom type, int size,
  35                              guchar *data, gulong num)
  36 {
  37     gboolean ret = FALSE;
  38     int res;
  39     guchar *xdata = NULL;
  40     Atom ret_type;
  41     int ret_size;
  42     gulong ret_items, bytes_left;
  43     long num32 = 32 / size * num; /* num in 32-bit elements */
  44
  45     res = XGetWindowProperty(cwmcc_display, win, prop, 0l, num32,
  46                              FALSE, type, &ret_type, &ret_size,
  47                              &ret_items, &bytes_left, &xdata);
  48     if (res == Success && ret_items && xdata) {
  49         if (ret_size == size && ret_items >= num) {
  50             gulong i;
  51             for (i = 0; i < num; ++i)
  52                 switch (size) {
  53                 case 8:
  54                     data[i] = xdata[i];
  55                     break;
  56                 case 16:
  57                     ((guint16*)data)[i] = ((guint16*)xdata)[i];
  58                     break;
  59                 case 32:
  60                     ((guint32*)data)[i] = ((guint32*)xdata)[i];
  61                     break;
  62                 default:
  63                     g_assert_not_reached(); /* unhandled size */
  64                 }
  65             ret = TRUE;
  66         }
  67         XFree(xdata);
  68     }
  69     return ret;
  70 }
  71
  72 static gboolean get_all(Window win, Atom prop, Atom type, int size,
  73                         guchar **data, gulong *num)
  74 {
  75     gboolean ret = FALSE;
  76     int res;
  77     guchar *xdata = NULL;
  78     Atom ret_type;
  79     int ret_size;
  80     gulong ret_items, bytes_left;
  81
  82     res = XGetWindowProperty(cwmcc_display, win, prop, 0l, G_MAXLONG,
  83                              FALSE, type, &ret_type, &ret_size,
  84                              &ret_items, &bytes_left, &xdata);
  85     if (res == Success) {
  86         if (ret_size == size && ret_items > 0) {
  87             *data = g_memdup(xdata, ret_items * (size / 8));
  88             *num = ret_items;
  89             ret = TRUE;
  90         }
  91         XFree(xdata);
  92     }
  93     return ret;
  94 }
  95
  96 static gboolean get_stringlist(Window win, Atom prop, char ***list, int *nstr)
  97 {
  98     XTextProperty tprop;
  99     gboolean ret = FALSE;
 100
 101     if (XGetTextProperty(cwmcc_display, win, &tprop, prop) && tprop.nitems) {
 102         if (XTextPropertyToStringList(&tprop, list, nstr))
 103             ret = TRUE;
 104         XFree(tprop.value);
 105     }
 106     return ret;
 107 }
 108
 109 gboolean cwmcc_prop_get32(Window win, Atom prop, Atom type, gulong *ret)
 110 {
 111     return get_prealloc(win, prop, type, 32, (guchar*)ret, 1);
 112 }
 113
 114 gboolean cwmcc_prop_get_array32(Window win, Atom prop, Atom type, gulong **ret,
 115                           gulong *nret)
 116 {
 117     return get_all(win, prop, type, 32, (guchar**)ret, nret);
 118 }
 119
 120 gboolean cwmcc_prop_get_string_locale(Window win, Atom prop, char **data)
 121 {
 122     char **list;
 123     int nstr;
 124
 125     if (get_stringlist(win, prop, &list, &nstr) && nstr) {
 126         *data = g_locale_to_utf8(list[0], -1, NULL, NULL, NULL);
 127         XFreeStringList(list);
 128         if (data) return TRUE;
 129     }
 130     return FALSE;
 131 }
 132
 133 gboolean cwmcc_prop_get_string_utf8(Window win, Atom prop, char **ret)
 134 {
 135     char *raw;
 136     gulong num;
 137
 138     if (get_all(win, prop, CWMCC_ATOM(type, utf8), 8, (guchar**)&raw, &num)) {
 139         *ret = g_strdup(raw); /* grab the first string from the list */
 140         g_free(raw);
 141         return TRUE;
 142     }
 143     return FALSE;
 144 }
 145
 146 gboolean cwmcc_prop_get_strings_utf8(Window win, Atom prop, char ***ret)
 147 {
 148     char *raw, *p;
 149     gulong num, i;
 150
 151     if (get_all(win, prop, CWMCC_ATOM(type, utf8), 8, (guchar**)&raw, &num)) {
 152         *ret = g_new(char*, num + 1);
 153         (*ret)[num] = NULL; /* null terminated list */
 154
 155         p = raw;
 156         for (i = 0; i < num; ++i) {
 157             (*ret)[i] = g_strdup(p);
 158             p = strchr(p, '\0');
 159         }
 160         g_free(raw);
 161         return TRUE;
 162     }
 163     return FALSE;
 164 }
 165
 166 gboolean cwmcc_prop_get_strings_locale(Window win, Atom prop, char ***ret)
 167 {
 168     char *raw, *p;
 169     gulong num, i;
 170
 171     if (get_all(win, prop, CWMCC_ATOM(type, string), 8, (guchar**)&raw, &num)){
 172         *ret = g_new(char*, num + 1);
 173         (*ret)[num] = NULL; /* null terminated list */
 174
 175         p = raw;
 176         for (i = 0; i < num; ++i) {
 177             (*ret)[i] = g_locale_to_utf8(p, -1, NULL, NULL, NULL);
 178             /* make sure translation did not fail */
 179             if (!(*ret)[i]) {
 180                 g_strfreev(*ret); /* free what we did so far */
 181                 break; /* the force is not strong with us */
 182             }
 183             p = strchr(p, '\0');
 184         }
 185         g_free(raw);
 186         if (i == num)
 187             return TRUE;
 188     }
 189     return FALSE;
 190 }
 191
 192 void cwmcc_prop_set32(Window win, Atom prop, Atom type, gulong val)
 193 {
 194     XChangeProperty(cwmcc_display, win, prop, type, 32, PropModeReplace,
 195                     (guchar*)&val, 1);
 196 }
 197
 198 void cwmcc_prop_set_array32(Window win, Atom prop, Atom type,
 199                             gulong *val, gulong num)
 200 {
 201     XChangeProperty(cwmcc_display, win, prop, type, 32, PropModeReplace,
 202                     (guchar*)val, num);
 203 }
 204
 205 void cwmcc_prop_set_string_utf8(Window win, Atom prop, char *val)
 206 {
 207     XChangeProperty(cwmcc_display, win, prop, CWMCC_ATOM(type, utf8), 8,
 208                     PropModeReplace, (guchar*)val, strlen(val));
 209 }
 210
 211 void cwmcc_prop_set_strings_utf8(Window win, Atom prop, char **strs)
 212 {
 213     GString *str;
 214     guint i;
 215
 216     str = g_string_sized_new(0);
 217     for (i = 0; strs[i]; ++i) {
 218         str = g_string_append(str, strs[i]);
 219         str = g_string_append_c(str, '\0');
 220     }
 221     XChangeProperty(cwmcc_display, win, prop, CWMCC_ATOM(type, utf8), 8,
 222                     PropModeReplace, (guchar*)str->str, str->len);
 223 }
 224
 225 void cwmcc_prop_erase(Window win, Atom prop)
 226 {
 227     XDeleteProperty(cwmcc_display, win, prop);
 228 }
 229