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_malloc(ret_items * (size / 8) + sizeof(guchar*));
  88             g_memmove(*data, xdata, ret_items * (size / 8));
  89             data[ret_items * (size / 8)] = NULL;
  90             *num = ret_items;
  91             ret = TRUE;
  92         }
  93         XFree(xdata);
  94     }
  95     return ret;
  96 }
  97
  98 static gboolean get_stringlist(Window win, Atom prop, char ***list, int *nstr)
  99 {
 100     XTextProperty tprop;
 101     gboolean ret = FALSE;
 102
 103     if (XGetTextProperty(cwmcc_display, win, &tprop, prop) && tprop.nitems) {
 104         if (XTextPropertyToStringList(&tprop, list, nstr))
 105             ret = TRUE;
 106         XFree(tprop.value);
 107     }
 108     return ret;
 109 }
 110
 111 gboolean cwmcc_prop_get32(Window win, Atom prop, Atom type, gulong *ret)
 112 {
 113     return get_prealloc(win, prop, type, 32, (guchar*)ret, 1);
 114 }
 115
 116 gboolean cwmcc_prop_get_array32(Window win, Atom prop, Atom type, gulong **ret,
 117                           gulong *nret)
 118 {
 119     return get_all(win, prop, type, 32, (guchar**)ret, nret);
 120 }
 121
 122 gboolean cwmcc_prop_get_string_locale(Window win, Atom prop, char **data)
 123 {
 124     char **list;
 125     int nstr;
 126
 127     if (get_stringlist(win, prop, &list, &nstr) && nstr) {
 128         *data = g_locale_to_utf8(list[0], -1, NULL, NULL, NULL);
 129         XFreeStringList(list);
 130         if (data) return TRUE;
 131     }
 132     return FALSE;
 133 }
 134
 135 gboolean cwmcc_prop_get_string_utf8(Window win, Atom prop, char **ret)
 136 {
 137     char *raw;
 138     gulong num;
 139
 140     if (get_all(win, prop, CWMCC_ATOM(type, utf8), 8, (guchar**)&raw, &num)) {
 141         *ret = g_strdup(raw); /* grab the first string from the list */
 142         g_free(raw);
 143         return TRUE;
 144     }
 145     return FALSE;
 146 }
 147
 148 gboolean cwmcc_prop_get_strings_utf8(Window win, Atom prop, char ***ret)
 149 {
 150     char *raw, *p;
 151     gulong num, i;
 152
 153     if (get_all(win, prop, CWMCC_ATOM(type, utf8), 8, (guchar**)&raw, &num)) {
 154         *ret = g_new(char*, num + 1);
 155         (*ret)[num] = NULL; /* null terminated list */
 156
 157         p = raw;
 158         for (i = 0; i < num; ++i) {
 159             (*ret)[i] = g_strdup(p);
 160             p = strchr(p, '\0');
 161         }
 162         g_free(raw);
 163         return TRUE;
 164     }
 165     return FALSE;
 166 }
 167
 168 gboolean cwmcc_prop_get_strings_locale(Window win, Atom prop, char ***ret)
 169 {
 170     char *raw, *p;
 171     gulong num, i;
 172
 173     if (get_all(win, prop, CWMCC_ATOM(type, string), 8, (guchar**)&raw, &num)){
 174         *ret = g_new(char*, num + 1);
 175         (*ret)[num] = NULL; /* null terminated list */
 176
 177         p = raw;
 178         for (i = 0; i < num; ++i) {
 179             (*ret)[i] = g_locale_to_utf8(p, -1, NULL, NULL, NULL);
 180             /* make sure translation did not fail */
 181             if (!(*ret)[i]) {
 182                 g_strfreev(*ret); /* free what we did so far */
 183                 break; /* the force is not strong with us */
 184             }
 185             p = strchr(p, '\0');
 186         }
 187         g_free(raw);
 188         if (i == num)
 189             return TRUE;
 190     }
 191     return FALSE;
 192 }
 193
 194 void cwmcc_prop_set32(Window win, Atom prop, Atom type, gulong val)
 195 {
 196     XChangeProperty(cwmcc_display, win, prop, type, 32, PropModeReplace,
 197                     (guchar*)&val, 1);
 198 }
 199
 200 void cwmcc_prop_set_array32(Window win, Atom prop, Atom type,
 201                             gulong *val, gulong num)
 202 {
 203     XChangeProperty(cwmcc_display, win, prop, type, 32, PropModeReplace,
 204                     (guchar*)val, num);
 205 }
 206
 207 void cwmcc_prop_set_string_utf8(Window win, Atom prop, char *val)
 208 {
 209     XChangeProperty(cwmcc_display, win, prop, CWMCC_ATOM(type, utf8), 8,
 210                     PropModeReplace, (guchar*)val, strlen(val));
 211 }
 212
 213 void cwmcc_prop_set_strings_utf8(Window win, Atom prop, char **strs)
 214 {
 215     GString *str;
 216     guint i;
 217
 218     str = g_string_sized_new(0);
 219     for (i = 0; strs[i]; ++i) {
 220         str = g_string_append(str, strs[i]);
 221         str = g_string_append_c(str, '\0');
 222     }
 223     XChangeProperty(cwmcc_display, win, prop, CWMCC_ATOM(type, utf8), 8,
 224                     PropModeReplace, (guchar*)str->str, str->len);
 225 }
 226
 227 void cwmcc_prop_erase(Window win, Atom prop)
 228 {
 229     XDeleteProperty(cwmcc_display, win, prop);
 230 }
 231