Dogcows Code - chaz/openbox/blob - src/python.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #include "python.hh"
   4 #include "openbox.hh"
   5 #include "actions.hh"
   6 #include "python.hh"
   7 #include "bindings.hh"
   8 #include "otk/display.hh"
   9 #include "otk/util.hh"
  10
  11 extern "C" {
  12 // The initializer in openbox_wrap.cc / otk_wrap.cc
  13 extern void init_ob(void);
  14 extern void init_otk(void);
  15 }
  16
  17 namespace ob {
  18
  19 static PyObject *obdict = NULL;
  20
  21 void python_init(char *argv0)
  22 {
  23   // start the python engine
  24   Py_SetProgramName(argv0);
  25   Py_Initialize();
  26   // initialize the C python module
  27   init_otk();
  28   init_ob();
  29   // prepend the openbox directories for python scripts to the sys path
  30   PyRun_SimpleString("import sys");
  31   PyRun_SimpleString("sys.path.insert(0, '" SCRIPTDIR "')");
  32   PyRun_SimpleString(const_cast<char*>(("sys.path.insert(0, '" +
  33                                         otk::expandTilde("~/.openbox/python") +
  34                                         "')").c_str()));
  35   PyRun_SimpleString("import ob; import otk; import config;");
  36   // set up convenience global variables
  37   PyRun_SimpleString("ob.openbox = ob.Openbox_instance()");
  38   PyRun_SimpleString("otk.display = otk.Display_instance()");
  39
  40   // set up access to the python global variables
  41   PyObject *obmodule = PyImport_AddModule("config");
  42   obdict = PyModule_GetDict(obmodule);
  43 }
  44
  45 void python_destroy()
  46 {
  47   Py_Finalize();
  48 }
  49
  50 bool python_exec(const std::string &path)
  51 {
  52   FILE *rcpyfd = fopen(path.c_str(), "r");
  53   if (!rcpyfd) {
  54     printf("Failed to load python file %s\n", path.c_str());
  55     return false;
  56   }
  57   PyRun_SimpleFile(rcpyfd, const_cast<char*>(path.c_str()));
  58   fclose(rcpyfd);
  59   return true;
  60 }
  61
  62 bool python_get_long(const char *name, long *value)
  63 {
  64   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  65   if (!(val && PyInt_Check(val))) return false;
  66
  67   *value = PyInt_AsLong(val);
  68   return true;
  69 }
  70
  71 bool python_get_string(const char *name, otk::ustring *value)
  72 {
  73   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  74   if (!(val && PyString_Check(val))) return false;
  75
  76   *value = PyString_AsString(val);
  77   return true;
  78 }
  79
  80 bool python_get_stringlist(const char *name, std::vector<otk::ustring> *value)
  81 {
  82   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  83   if (!(val && PyList_Check(val))) return false;
  84
  85   for (int i = 0, end = PyList_Size(val); i < end; ++i) {
  86     PyObject *str = PyList_GetItem(val, i);
  87     if (PyString_Check(str))
  88       value->push_back(PyString_AsString(str));
  89   }
  90   return true;
  91 }
  92
  93 // ************************************* //
  94 // Stuff for calling from Python scripts //
  95 // ************************************* //
  96
  97 PyObject *mbind(const std::string &button, ob::MouseContext::MC context,
  98                 ob::MouseAction::MA action, PyObject *func)
  99 {
 100   if (!PyCallable_Check(func)) {
 101     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 102     return NULL;
 103   }
 104   if(context < 0 || context >= MouseContext::NUM_MOUSE_CONTEXT) {
 105     PyErr_SetString(PyExc_ValueError, "Invalid MouseContext");
 106     return NULL;
 107   }
 108   if(action < 0 || action >= MouseAction::NUM_MOUSE_ACTION) {
 109     PyErr_SetString(PyExc_ValueError, "Invalid MouseAction");
 110     return NULL;
 111   }
 112
 113   if (!ob::openbox->bindings()->addButton(button, context,
 114                                           action, func)) {
 115     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 116     return NULL;
 117   }
 118   Py_INCREF(Py_None); return Py_None;
 119 }
 120
 121 PyObject *ebind(ob::EventAction::EA action, PyObject *func)
 122 {
 123   if (!PyCallable_Check(func)) {
 124     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 125     return NULL;
 126   }
 127
 128   if (!ob::openbox->bindings()->addEvent(action, func)) {
 129     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 130     return NULL;
 131   }
 132   Py_INCREF(Py_None); return Py_None;
 133 }
 134
 135 PyObject *kgrab(int screen, PyObject *func)
 136 {
 137   if (!PyCallable_Check(func)) {
 138     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 139     return NULL;
 140   }
 141
 142   if (!ob::openbox->bindings()->grabKeyboard(screen, func)) {
 143     PyErr_SetString(PyExc_RuntimeError,"Unable to grab keybaord.");
 144     return NULL;
 145   }
 146   Py_INCREF(Py_None); return Py_None;
 147 }
 148
 149 PyObject *kungrab()
 150 {
 151   ob::openbox->bindings()->ungrabKeyboard();
 152   Py_INCREF(Py_None); return Py_None;
 153 }
 154
 155 PyObject *mgrab(int screen)
 156 {
 157   if (!ob::openbox->bindings()->grabPointer(screen)) {
 158     PyErr_SetString(PyExc_RuntimeError,"Unable to grab pointer.");
 159     return NULL;
 160   }
 161   Py_INCREF(Py_None); return Py_None;
 162 }
 163
 164 PyObject *mungrab()
 165 {
 166   ob::openbox->bindings()->ungrabPointer();
 167   Py_INCREF(Py_None); return Py_None;
 168 }
 169
 170 PyObject *kbind(PyObject *keylist, ob::KeyContext::KC context, PyObject *func)
 171 {
 172   if (!PyCallable_Check(func)) {
 173     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 174     return NULL;
 175   }
 176   if (!PyList_Check(keylist)) {
 177     PyErr_SetString(PyExc_TypeError, "Invalid keylist. Not a list.");
 178     return NULL;
 179   }
 180
 181   ob::Bindings::StringVect vectkeylist;
 182   for (int i = 0, end = PyList_Size(keylist); i < end; ++i) {
 183     PyObject *str = PyList_GetItem(keylist, i);
 184     if (!PyString_Check(str)) {
 185       PyErr_SetString(PyExc_TypeError,
 186                      "Invalid keylist. It must contain only strings.");
 187       return NULL;
 188     }
 189     vectkeylist.push_back(PyString_AsString(str));
 190   }
 191
 192   (void)context; // XXX use this sometime!
 193   if (!ob::openbox->bindings()->addKey(vectkeylist, func)) {
 194     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 195     return NULL;
 196   }
 197   Py_INCREF(Py_None); return Py_None;
 198 }
 199
 200 /*
 201 PyObject *kunbind(PyObject *keylist, PyObject *func)
 202 {
 203   if (!PyList_Check(keylist)) {
 204     PyErr_SetString(PyExc_TypeError, "Invalid keylist. Not a list.");
 205     return NULL;
 206   }
 207   if (!PyCallable_Check(func)) {
 208     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 209     return NULL;
 210   }
 211
 212   ob::Bindings::StringVect vectkeylist;
 213   for (int i = 0, end = PyList_Size(keylist); i < end; ++i) {
 214     PyObject *str = PyList_GetItem(keylist, i);
 215     if (!PyString_Check(str)) {
 216       PyErr_SetString(PyExc_TypeError,
 217                      "Invalid keylist. It must contain only strings.");
 218       return NULL;
 219     }
 220     vectkeylist.push_back(PyString_AsString(str));
 221   }
 222
 223   if (!ob::openbox->bindings()->removeKey(vectkeylist, func)) {
 224       PyErr_SetString(PyExc_RuntimeError, "Could not remove callback.");
 225       return NULL;
 226   }
 227   Py_INCREF(Py_None); return Py_None;
 228 }
 229 */
 230
 231 void kunbind_all()
 232 {
 233   ob::openbox->bindings()->removeAllKeys();
 234 }
 235
 236 void set_reset_key(const std::string &key)
 237 {
 238   ob::openbox->bindings()->setResetKey(key);
 239 }
 240
 241 PyObject *send_client_msg(Window target, Atom type, Window about,
 242                           long data, long data1, long data2,
 243                           long data3, long data4)
 244 {
 245   XEvent e;
 246   e.xclient.type = ClientMessage;
 247   e.xclient.format = 32;
 248   e.xclient.message_type = type;
 249   e.xclient.window = about;
 250   e.xclient.data.l[0] = data;
 251   e.xclient.data.l[1] = data1;
 252   e.xclient.data.l[2] = data2;
 253   e.xclient.data.l[3] = data3;
 254   e.xclient.data.l[4] = data4;
 255
 256   XSendEvent(**otk::display, target, false,
 257              SubstructureRedirectMask | SubstructureNotifyMask,
 258              &e);
 259   Py_INCREF(Py_None); return Py_None;
 260 }
 261
 262 void execute(const std::string &bin, int screen)
 263 {
 264   if (screen >= ScreenCount(**otk::display))
 265     screen = 0;
 266   otk::bexec(bin, otk::display->screenInfo(screen)->displayString());
 267 }
 268
 269 }