Dogcows Code - chaz/openbox/blob - c/eventdata.c

   1 #include "eventdata.h"
   2 #include "openbox.h"
   3 #include "event.h"
   4 #include "clientwrap.h"
   5 #include <X11/Xlib.h>
   6
   7 /*
   8  *
   9  * Define the type 'EventData'
  10  *
  11  */
  12
  13 #define IS_EVENTDATA(v)  ((v)->ob_type == &EventDataType)
  14 #define CHECK_EVENTDATA(self, funcname) { \
  15     if (!IS_EVENTDATA(self)) { \
  16         PyErr_SetString(PyExc_TypeError, \
  17                         "descriptor '" funcname "' requires an 'EventData' " \
  18                         "object"); \
  19         return NULL; \
  20     } \
  21 }
  22
  23 staticforward PyTypeObject EventDataType;
  24
  25 static PyObject *eventdata_type(EventData *self, PyObject *args)
  26 {
  27     CHECK_EVENTDATA(self, "type");
  28     if (!PyArg_ParseTuple(args, ":type"))
  29         return NULL;
  30     return PyInt_FromLong(self->type);
  31 }
  32
  33 static PyObject *eventdata_time(EventData *self, PyObject *args)
  34 {
  35     CHECK_EVENTDATA(self, "time");
  36     if (!PyArg_ParseTuple(args, ":time"))
  37         return NULL;
  38     return PyInt_FromLong(event_lasttime);
  39 }
  40
  41 static PyObject *eventdata_context(EventData *self, PyObject *args)
  42 {
  43     CHECK_EVENTDATA(self, "context");
  44     if (!PyArg_ParseTuple(args, ":context"))
  45         return NULL;
  46     return PyString_FromString(self->context);
  47 }
  48
  49 static PyObject *eventdata_client(EventData *self, PyObject *args)
  50 {
  51     CHECK_EVENTDATA(self, "client");
  52     if (!PyArg_ParseTuple(args, ":client"))
  53         return NULL;
  54     if (self->client == NULL) {
  55         Py_INCREF(Py_None);
  56         return Py_None;
  57     } else {
  58         return clientwrap_new(self->client);
  59     }
  60 }
  61
  62 static PyObject *eventdata_keycode(EventData *self, PyObject *args)
  63 {
  64     CHECK_EVENTDATA(self, "keycode");
  65     if (!PyArg_ParseTuple(args, ":keycode"))
  66         return NULL;
  67     switch (self->type) {
  68     case Key_Press:
  69     case Key_Release:
  70         break;
  71     default:
  72         PyErr_SetString(PyExc_TypeError,
  73                         "The EventData object is not a Key event");
  74         return NULL;
  75     }
  76     return PyInt_FromLong(self->details.key->keycode);
  77 }
  78
  79 static PyObject *eventdata_modifiers(EventData *self, PyObject *args)
  80 {
  81     CHECK_EVENTDATA(self, "key");
  82     if (!PyArg_ParseTuple(args, ":key"))
  83         return NULL;
  84     switch (self->type) {
  85     case Key_Press:
  86     case Key_Release:
  87     case Pointer_Press:
  88     case Pointer_Release:
  89     case Pointer_Motion:
  90         break;
  91     default:
  92         PyErr_SetString(PyExc_TypeError,
  93                         "The EventData object is not a Key or Pointer event");
  94         return NULL;
  95     }
  96     return PyInt_FromLong(self->details.key->modifiers);
  97 }
  98
  99 static PyObject *eventdata_keyName(EventData *self, PyObject *args)
 100 {
 101     GList *it;
 102     PyObject *tuple;
 103     int i;
 104
 105     CHECK_EVENTDATA(self, "keyName");
 106     if (!PyArg_ParseTuple(args, ":keyName"))
 107         return NULL;
 108     switch (self->type) {
 109     case Key_Press:
 110     case Key_Release:
 111         break;
 112     default:
 113         PyErr_SetString(PyExc_TypeError,
 114                         "The EventData object is not a Key event");
 115         return NULL;
 116     }
 117
 118     if (self->details.key->keylist != NULL) {
 119         tuple = PyTuple_New(g_list_length(self->details.key->keylist));
 120         for (i = 0, it = self->details.key->keylist; it != NULL;
 121              it = it->next, ++i)
 122             PyTuple_SET_ITEM(tuple, i, PyString_FromString(it->data));
 123         return tuple;
 124     } else {
 125         GString *str = g_string_sized_new(0);
 126         KeySym sym;
 127
 128         if (self->details.key->modifiers & ControlMask)
 129             g_string_append(str, "C-");
 130         if (self->details.key->modifiers & ShiftMask)
 131             g_string_append(str, "S-");
 132         if (self->details.key->modifiers & Mod1Mask)
 133             g_string_append(str, "Mod1-");
 134         if (self->details.key->modifiers & Mod2Mask)
 135             g_string_append(str, "Mod2-");
 136         if (self->details.key->modifiers & Mod3Mask)
 137             g_string_append(str, "Mod3-");
 138         if (self->details.key->modifiers & Mod4Mask)
 139             g_string_append(str, "Mod4-");
 140         if (self->details.key->modifiers & Mod5Mask)
 141             g_string_append(str, "Mod5-");
 142
 143         sym = XKeycodeToKeysym(ob_display, self->details.key->keycode, 0);
 144         if (sym == NoSymbol)
 145             g_string_append(str, "NoSymbol");
 146         else {
 147             char *name = XKeysymToString(sym);
 148             if (name == NULL)
 149                 name = "Undefined";
 150             g_string_append(str, name);
 151         }
 152
 153         tuple = PyTuple_New(1);
 154         PyTuple_SET_ITEM(tuple, 0, PyString_FromString(str->str));
 155         g_string_free(str, TRUE);
 156
 157         return tuple;
 158     }
 159 }
 160
 161 static PyObject *eventdata_button(EventData *self, PyObject *args)
 162 {
 163     CHECK_EVENTDATA(self, "button");
 164     if (!PyArg_ParseTuple(args, ":button"))
 165         return NULL;
 166     switch (self->type) {
 167     case Pointer_Press:
 168     case Pointer_Release:
 169     case Pointer_Motion:
 170         break;
 171     default:
 172         PyErr_SetString(PyExc_TypeError,
 173                         "The EventData object is not a Pointer event");
 174         return NULL;
 175     }
 176     return PyInt_FromLong(self->details.pointer->button);
 177 }
 178
 179 static PyObject *eventdata_buttonName(EventData *self, PyObject *args)
 180 {
 181     CHECK_EVENTDATA(self, "buttonName");
 182     if (!PyArg_ParseTuple(args, ":buttonName"))
 183         return NULL;
 184     switch (self->type) {
 185     case Pointer_Press:
 186     case Pointer_Release:
 187     case Pointer_Motion:
 188         break;
 189     default:
 190         PyErr_SetString(PyExc_TypeError,
 191                         "The EventData object is not a Pointer event");
 192         return NULL;
 193     }
 194
 195     if (self->details.pointer->name != NULL) {
 196         return PyString_FromString(self->details.pointer->name);
 197     } else {
 198         PyObject *pystr;
 199         GString *str = g_string_sized_new(0);
 200
 201         if (self->details.pointer->modifiers & ControlMask)
 202             g_string_append(str, "C-");
 203         if (self->details.pointer->modifiers & ShiftMask)
 204             g_string_append(str, "S-");
 205         if (self->details.pointer->modifiers & Mod1Mask)
 206             g_string_append(str, "Mod1-");
 207         if (self->details.pointer->modifiers & Mod2Mask)
 208             g_string_append(str, "Mod2-");
 209         if (self->details.pointer->modifiers & Mod3Mask)
 210             g_string_append(str, "Mod3-");
 211         if (self->details.pointer->modifiers & Mod4Mask)
 212             g_string_append(str, "Mod4-");
 213         if (self->details.pointer->modifiers & Mod5Mask)
 214             g_string_append(str, "Mod5-");
 215
 216         g_string_append_printf(str, "%d", self->details.pointer->button);
 217
 218         pystr = PyString_FromString(str->str);
 219
 220         g_string_free(str, TRUE);
 221
 222         return pystr;
 223     }
 224 }
 225
 226 static PyObject *eventdata_position(EventData *self, PyObject *args)
 227 {
 228     PyObject *tuple;
 229
 230     CHECK_EVENTDATA(self, "position");
 231     if (!PyArg_ParseTuple(args, ":position"))
 232         return NULL;
 233     switch (self->type) {
 234     case Pointer_Press:
 235     case Pointer_Release:
 236     case Pointer_Motion:
 237         break;
 238     default:
 239         PyErr_SetString(PyExc_TypeError,
 240                         "The EventData object is not a Pointer event");
 241         return NULL;
 242     }
 243     tuple = PyTuple_New(2);
 244     PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(self->details.pointer->xroot));
 245     PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(self->details.pointer->yroot));
 246     return tuple;
 247 }
 248
 249 static PyMethodDef EventDataAttributeMethods[] = {
 250     {"type", (PyCFunction)eventdata_type, METH_VARARGS,
 251      "data.type() -- Return the event type"},
 252     {"context", (PyCFunction)eventdata_context, METH_VARARGS,
 253      "data.context() -- Return the context for the event. If it is "
 254      "\"client\", then data.client() can be used to find out the "
 255      "client."},
 256     {"client", (PyCFunction)eventdata_client, METH_VARARGS,
 257      "data.client() -- Return the client for the event. This may be None if "
 258      "there is no client, even if data.context() gives Context_Client."},
 259     {"time", (PyCFunction)eventdata_time, METH_VARARGS,
 260      "data.time() -- Return the time at which the last X event occured with "
 261      "a timestamp. Should be the time at which this event, or the event that "
 262      "caused this event to occur happened."},
 263     {"modifiers", (PyCFunction)eventdata_modifiers, METH_VARARGS,
 264      "data.modifiers() -- Return the modifier keymask that was pressed "
 265      "when the event occured. A bitmask of ShiftMask, LockMask, ControlMask, "
 266      "Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, and Mod5Mask. Cannot be used "
 267      "when the data.type() is not a Key_* or Pointer_* event type."},
 268     {"keycode", (PyCFunction)eventdata_keycode, METH_VARARGS,
 269      "data.keycode() -- Return the keycode for the key which generated the "
 270      "event. Cannot be used when the data.type() is not a Key_* event type."},
 271     {"keyName", (PyCFunction)eventdata_keyName, METH_VARARGS,
 272      "data.keyName() -- Return a tuple of the string names of the key which "
 273      "generated the event. Cannot be used when the data.type() is not a Key_* "
 274      "event "
 275      "type."},
 276     {"button", (PyCFunction)eventdata_button, METH_VARARGS,
 277      "data.button() -- Return the pointer button which generated the event. "
 278      "Cannot be used when the data.type() is not a Pointer_* event type."},
 279     {"buttonName", (PyCFunction)eventdata_keyName, METH_VARARGS,
 280      "data.buttonName() -- Return the name of the button which generated the "
 281      "event. Cannot be used when the data.type() is not a Pointer_* event "
 282      "type."},
 283     {"position", (PyCFunction)eventdata_position, METH_VARARGS,
 284      "data.position() -- Returns the current position of the pointer on the "
 285      "root window when the event was generated. Gives the position in a tuple "
 286      "with a format of (x, y). Cannot be used when the data.type() is not a "
 287      "Pointer_* event type."},
 288     { NULL, NULL, 0, NULL }
 289 };
 290
 291 static void data_dealloc(EventData *self)
 292 {
 293     GList *it;
 294
 295     switch(self->type) {
 296     case Logical_EnterWindow:
 297     case Logical_LeaveWindow:
 298     case Logical_NewWindow:
 299     case Logical_CloseWindow:
 300     case Logical_Startup:
 301     case Logical_Shutdown:
 302     case Logical_RequestActivate:
 303     case Logical_WindowShow:
 304     case Logical_WindowHide:
 305     case Logical_Focus:
 306     case Logical_Bell:
 307     case Logical_UrgentWindow:
 308         g_free(self->details.logical);
 309         break;
 310     case Pointer_Press:
 311     case Pointer_Release:
 312     case Pointer_Motion:
 313         if (self->details.pointer->name != NULL)
 314             g_free(self->details.pointer->name);
 315         g_free(self->details.pointer);
 316         break;
 317     case Key_Press:
 318     case Key_Release:
 319         for (it = self->details.key->keylist; it != NULL; it = it->next)
 320             g_free(it->data);
 321         g_list_free(self->details.key->keylist);
 322         g_free(self->details.key);
 323         break;
 324     default:
 325         g_assert_not_reached();
 326     }
 327     PyObject_Del((PyObject*) self);
 328 }
 329
 330 static PyObject *eventdata_getattr(EventData *self, char *name)
 331 {
 332     return Py_FindMethod(EventDataAttributeMethods, (PyObject*)self, name);
 333 }
 334
 335 static PyTypeObject EventDataType = {
 336     PyObject_HEAD_INIT(NULL)
 337     0,
 338     "EventData",
 339     sizeof(EventData),
 340     0,
 341     (destructor) data_dealloc,       /*tp_dealloc*/
 342     0,                               /*tp_print*/
 343     (getattrfunc) eventdata_getattr, /*tp_getattr*/
 344     0,                               /*tp_setattr*/
 345     0,                               /*tp_compare*/
 346     0,                               /*tp_repr*/
 347     0,                               /*tp_as_number*/
 348     0,                               /*tp_as_sequence*/
 349     0,                               /*tp_as_mapping*/
 350     0,                               /*tp_hash */
 351 };
 352
 353
 354
 355 void eventdata_startup()
 356 {
 357     EventDataType.ob_type = &PyType_Type;
 358     PyType_Ready(&EventDataType);
 359 }
 360
 361 void eventdata_shutdown()
 362 {
 363 }
 364
 365 void eventdata_free(EventData *data)
 366 {
 367     Py_DECREF(data);
 368 }
 369
 370 EventData *eventdata_new_logical(EventType type, GQuark context,
 371                                  struct Client *client)
 372 {
 373     EventData *data;
 374
 375     g_assert(type < Pointer_Press);
 376
 377     data = PyObject_New(EventData, &EventDataType);
 378     data->type = type;
 379     data->context = g_quark_to_string(context);
 380     data->client = client;
 381     data->details.logical = g_new(LogicalEvent, 1);
 382     return data;
 383 }
 384
 385 EventData *eventdata_new_pointer(EventType type, GQuark context,
 386                                  struct Client *client, guint modifiers,
 387                                  guint button, char *name,
 388                                  int xroot, int yroot)
 389 {
 390     EventData *data;
 391
 392     g_assert(type >= Pointer_Press && type < Key_Press);
 393
 394     data = PyObject_New(EventData, &EventDataType);
 395     data->type = type;
 396     data->context = g_quark_to_string(context);
 397     data->client = client;
 398     data->details.pointer = g_new(PointerEvent, 1);
 399     data->details.pointer->modifiers = modifiers;
 400     data->details.pointer->button = button;
 401     data->details.pointer->name = name == NULL ? name : g_strdup(name);
 402     data->details.pointer->xroot = xroot;
 403     data->details.pointer->yroot = yroot;
 404     return data;
 405 }
 406
 407 EventData *eventdata_new_key(EventType type, GQuark context,
 408                              struct Client *client, guint modifiers,
 409                              guint keycode, GList *keylist)
 410 {
 411     EventData *data;
 412     GList *mykeylist, *it;
 413
 414     g_assert(type >= Key_Press);
 415
 416     data = PyObject_New(EventData, &EventDataType);
 417     data->type = type;
 418     data->context = g_quark_to_string(context);
 419     data->client = client;
 420     data->details.key = g_new(KeyEvent, 1);
 421
 422     /* make a copy of the keylist.
 423      If the user were to clear the key bindings, then the keylist given here
 424      would no longer point at valid memory.*/
 425     mykeylist = g_list_copy(keylist); /* shallow copy */
 426     for (it = mykeylist; it != NULL; it = it->next) /* deep copy */
 427         it->data = g_strdup(it->data);
 428
 429     data->details.key->keylist = mykeylist;
 430     data->details.key->keycode = keycode;
 431     data->details.key->modifiers = modifiers;
 432     return data;
 433 }