WINGs/WUtil.h

   1 #ifndef _WUTIL_H_
   2 #define _WUTIL_H_
   3
   4 #include <X11/Xlib.h>
   5
   6 #include <sys/types.h>
   7
   8
   9 /* SunOS 4.x Blargh.... */
  10 #ifndef NULL
  11 #define NULL ((void*)0)
  12 #endif
  13
  14
  15 /*
  16  * Warning: proplist.h #defines BOOL which will clash with the
  17  * typedef BOOL in Xmd.h
  18  * proplist.h should use Bool (which is a #define in Xlib.h) instead.
  19  *
  20  */
  21 #include <proplist.h>
  22
  23
  24 #ifndef WMAX
  25 # define WMAX(a,b)      ((a)>(b) ? (a) : (b))
  26 #endif
  27 #ifndef WMIN
  28 # define WMIN(a,b)      ((a)<(b) ? (a) : (b))
  29 #endif
  30
  31
  32 #if (!defined (__GNUC__) || __GNUC__ < 2 || \
  33      __GNUC_MINOR__ < (defined (__cplusplus) ? 6 : 4))
  34 #define __ASSERT_FUNCTION       ((char *) 0)
  35 #else
  36 #define __ASSERT_FUNCTION       __PRETTY_FUNCTION__
  37 #endif
  38
  39
  40 #ifdef NDEBUG
  41
  42 #define wassertr(expr)          {}
  43 #define wassertrv(expr, val)    {}
  44
  45 #else /* !NDEBUG */
  46
  47 #define wassertr(expr) \
  48         if (!(expr)) { \
  49                 wwarning("%s line %i (%s): assertion %s failed",\
  50                         __FILE__, __LINE__, __ASSERT_FUNCTION, #expr);\
  51                 return;\
  52         }
  53
  54 #define wassertrv(expr, val) \
  55         if (!(expr)) { \
  56                 wwarning("%s line %i (%s): assertion %s failed",\
  57                         __FILE__, __LINE__, __ASSERT_FUNCTION, #expr);\
  58                 return (val);\
  59         }
  60
  61 #endif /* !NDEBUG */
  62
  63
  64 #ifdef __cplusplus
  65 extern "C" {
  66 #endif /* __cplusplus */
  67
  68
  69 typedef enum {
  70     WMPostWhenIdle = 1,
  71         WMPostASAP = 2,
  72         WMPostNow = 3
  73 } WMPostingStyle;
  74
  75
  76 typedef enum {
  77     WNCNone = 0,
  78         WNCOnName = 1,
  79         WNCOnSender = 2
  80 } WMNotificationCoalescing;
  81
  82
  83
  84
  85 typedef struct W_HashTable WMHashTable;
  86 typedef struct W_UserDefaults WMUserDefaults;
  87 typedef struct W_Notification WMNotification;
  88 typedef struct W_NotificationQueue WMNotificationQueue;
  89
  90
  91 /* DO NOT ACCESS THE CONTENTS OF THIS STRUCT */
  92 typedef struct {
  93     void *table;
  94     void *nextItem;
  95     int index;
  96 } WMHashEnumerator;
  97
  98
  99 typedef struct {
 100     /* NULL is pointer hash */
 101     unsigned    (*hash)(const void *);
 102     /* NULL is pointer compare */
 103     Bool        (*keyIsEqual)(const void *, const void *);
 104     /* NULL does nothing */
 105     void*       (*retainKey)(const void *);
 106     /* NULL does nothing */
 107     void        (*releaseKey)(const void *);
 108 } WMHashTableCallbacks;
 109
 110
 111 #if 0
 112 typedef struct {
 113     char character;                    /* the escape character */
 114     char *value;                       /* value to place */
 115 } WMSEscapes;
 116 #endif
 117
 118
 119 typedef void WMNotificationObserverAction(void *observerData,
 120                                           WMNotification *notification);
 121
 122
 123
 124 /*......................................................................*/
 125
 126 typedef void (waborthandler)(int);
 127
 128 waborthandler *wsetabort(waborthandler*);
 129
 130
 131 void wfatal(const char *msg, ...);
 132 void wwarning(const char *msg, ...);
 133 void wsyserror(const char *msg, ...);
 134
 135 char *wfindfile(char *paths, char *file);
 136
 137 char *wfindfileinlist(char **path_list, char *file);
 138
 139 char *wexpandpath(char *path);
 140
 141 /* don't free the returned string */
 142 char *wgethomedir();
 143
 144 void *wmalloc(size_t size);
 145 void *wrealloc(void *ptr, size_t newsize);
 146
 147 void wrelease(void *ptr);
 148 void *wretain(void *ptr);
 149
 150 char *wstrdup(char *str);
 151
 152 char *wstrappend(char *dst, char *src);
 153
 154 char *wusergnusteppath();
 155
 156 char *wdefaultspathfordomain(char *domain);
 157
 158 void wusleep(unsigned int microsec);
 159
 160 #if 0
 161 int wsprintesc(char *buffer, int length, char *format, WMSEscapes **escapes,
 162                int count);
 163 #endif
 164 /*......................................................................*/
 165
 166
 167 WMHashTable *WMCreateHashTable(WMHashTableCallbacks callbacks);
 168
 169 void WMFreeHashTable(WMHashTable *table);
 170
 171 void WMResetHashTable(WMHashTable *table);
 172
 173 void *WMHashGet(WMHashTable *table, const void *key);
 174
 175 /* put data in table, replacing already existing data and returning
 176  * the old value */
 177 void *WMHashInsert(WMHashTable *table, void *key, void *data);
 178
 179 void WMHashRemove(WMHashTable *table, const void *key);
 180
 181 /* warning: do not manipulate the table while using these functions */
 182 WMHashEnumerator WMEnumerateHashTable(WMHashTable *table);
 183
 184 void *WMNextHashEnumeratorItem(WMHashEnumerator *enumerator);
 185
 186 unsigned WMCountHashTable(WMHashTable *table);
 187
 188
 189
 190
 191 /* some predefined callback sets */
 192
 193 extern const WMHashTableCallbacks WMIntHashCallbacks;
 194 /* sizeof(keys) are <= sizeof(void*) */
 195
 196 extern const WMHashTableCallbacks WMStringHashCallbacks;
 197 /* keys are strings. Strings will be copied with wstrdup()
 198  * and freed with free() */
 199
 200 extern const WMHashTableCallbacks WMStringPointerHashCallbacks;
 201 /* keys are strings, bug they are not copied */
 202
 203 /*......................................................................*/
 204
 205 WMNotification *WMCreateNotification(char *name, void *object, void *clientData);
 206
 207 void WMReleaseNotification(WMNotification *notification);
 208
 209 WMNotification *WMRetainNotification(WMNotification *notification);
 210
 211 void *WMGetNotificationClientData(WMNotification *notification);
 212
 213 void *WMGetNotificationObject(WMNotification *notification);
 214
 215 char *WMGetNotificationName(WMNotification *notification);
 216
 217
 218 void WMAddNotificationObserver(WMNotificationObserverAction *observerAction,
 219                                void *observer, char *name, void *object);
 220
 221 void WMPostNotification(WMNotification *notification);
 222
 223 void WMRemoveNotificationObserver(void *observer);
 224
 225 void WMRemoveNotificationObserverWithName(void *observer, char *name,
 226                                           void *object);
 227
 228 void WMPostNotificationName(char *name, void *object, void *clientData);
 229
 230 WMNotificationQueue *WMGetDefaultNotificationQueue(void);
 231
 232 WMNotificationQueue *WMCreateNotificationQueue(void);
 233
 234 void WMDequeueNotificationMatching(WMNotificationQueue *queue,
 235                                    WMNotification *notification,
 236                                    unsigned mask);
 237
 238 void WMEnqueueNotification(WMNotificationQueue *queue,
 239                            WMNotification *notification,
 240                            WMPostingStyle postingStyle);
 241
 242 void WMEnqueueCoalesceNotification(WMNotificationQueue *queue,
 243                                    WMNotification *notification,
 244                                    WMPostingStyle postingStyle,
 245                                    unsigned coalesceMask);
 246
 247
 248 /*......................................................................*/
 249
 250 WMUserDefaults *WMGetStandardUserDefaults(void);
 251
 252 proplist_t WMGetUDObjectForKey(WMUserDefaults *database, char *defaultName);
 253
 254 void WMSetUDObjectForKey(WMUserDefaults *database, proplist_t object,
 255                          char *defaultName);
 256
 257 void WMRemoveUDObjectForKey(WMUserDefaults *database, char *defaultName);
 258
 259 /* you can free the returned string */
 260 char *WMGetUDStringForKey(WMUserDefaults *database, char *defaultName);
 261
 262 int WMGetUDIntegerForKey(WMUserDefaults *database, char *defaultName);
 263
 264 float WMGetUDFloatForKey(WMUserDefaults *database, char *defaultName);
 265
 266 Bool WMGetUDBoolForKey(WMUserDefaults *database, char *defaultName);
 267
 268 void WMSetUDStringForKey(WMUserDefaults *database, char *value,
 269                          char *defaultName);
 270
 271 void WMSetUDIntegerForKey(WMUserDefaults *database, int value,
 272                           char *defaultName);
 273
 274 void WMSetUDFloatForKey(WMUserDefaults *database, float value,
 275                         char *defaultName);
 276
 277 void WMSetUDBoolForKey(WMUserDefaults *database, Bool value,
 278                        char *defaultName);
 279
 280 proplist_t WMGetUDSearchList(WMUserDefaults *database);
 281
 282 void WMSetUDSearchList(WMUserDefaults *database, proplist_t list);
 283
 284 #ifdef __cplusplus
 285 }
 286 #endif /* __cplusplus */
 287
 288
 289 #endif