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
  13 extern void init_openbox(void);
  14 }
  15
  16 namespace ob {
  17
  18 static PyObject *obdict = NULL;
  19
  20 void python_init(char *argv0)
  21 {
  22   // start the python engine
  23   Py_SetProgramName(argv0);
  24   Py_Initialize();
  25   // initialize the C python module
  26   init_openbox();
  27   // include the openbox directories for python scripts in the sys path
  28   PyRun_SimpleString("import sys");
  29   PyRun_SimpleString("sys.path.append('" SCRIPTDIR "')");
  30   PyRun_SimpleString(const_cast<char*>(("sys.path.append('" +
  31                                         otk::expandTilde("~/.openbox/python") +
  32                                         "')").c_str()));
  33   // import the otk and openbox modules into the main namespace
  34   PyRun_SimpleString("from openbox import *;");
  35   // set up convenience global variables
  36   PyRun_SimpleString("openbox = Openbox_instance()");
  37
  38   // set up access to the python global variables
  39   PyObject *obmodule = PyImport_AddModule("__main__");
  40   obdict = PyModule_GetDict(obmodule);
  41 }
  42
  43 void python_destroy()
  44 {
  45   Py_DECREF(obdict);
  46 }
  47
  48 bool python_exec(const std::string &path)
  49 {
  50   FILE *rcpyfd = fopen(path.c_str(), "r");
  51   if (!rcpyfd) {
  52     printf("failed to load python file %s\n", path.c_str());
  53     return false;
  54   }
  55   PyRun_SimpleFile(rcpyfd, const_cast<char*>(path.c_str()));
  56   fclose(rcpyfd);
  57   return true;
  58 }
  59
  60 bool python_get_long(const char *name, long *value)
  61 {
  62   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  63   if (!(val && PyInt_Check(val))) return false;
  64
  65   *value = PyInt_AsLong(val);
  66   return true;
  67 }
  68
  69 bool python_get_string(const char *name, std::string *value)
  70 {
  71   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  72   if (!(val && PyString_Check(val))) return false;
  73
  74   *value = PyString_AsString(val);
  75   return true;
  76 }
  77
  78 bool python_get_stringlist(const char *name, std::vector<std::string> *value)
  79 {
  80   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  81   if (!(val && PyList_Check(val))) return false;
  82
  83   for (int i = 0, end = PyList_Size(val); i < end; ++i) {
  84     PyObject *str = PyList_GetItem(val, i);
  85     if (PyString_Check(str))
  86       value->push_back(PyString_AsString(str));
  87   }
  88   return true;
  89 }
  90
  91 // ************************************* //
  92 // Stuff for calling from Python scripts //
  93 // ************************************* //
  94
  95 PyObject *mbind(const std::string &button, ob::MouseContext context,
  96                 ob::MouseAction action, PyObject *func)
  97 {
  98   if (!PyCallable_Check(func)) {
  99     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 100     return NULL;
 101   }
 102
 103   if (!ob::Openbox::instance->bindings()->addButton(button, context,
 104                                                     action, func)) {
 105     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 106     return NULL;
 107   }
 108   Py_INCREF(Py_None); return Py_None;
 109 }
 110
 111 PyObject *ebind(ob::EventAction action, PyObject *func)
 112 {
 113   if (!PyCallable_Check(func)) {
 114     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 115     return NULL;
 116   }
 117
 118   if (!ob::Openbox::instance->bindings()->addEvent(action, func)) {
 119     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 120     return NULL;
 121   }
 122   Py_INCREF(Py_None); return Py_None;
 123 }
 124
 125 PyObject *kbind(PyObject *keylist, ob::KeyContext context, PyObject *func)
 126 {
 127   if (!PyCallable_Check(func)) {
 128     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 129     return NULL;
 130   }
 131   if (!PyList_Check(keylist)) {
 132     PyErr_SetString(PyExc_TypeError, "Invalid keylist. Not a list.");
 133     return NULL;
 134   }
 135
 136   ob::Bindings::StringVect vectkeylist;
 137   for (int i = 0, end = PyList_Size(keylist); i < end; ++i) {
 138     PyObject *str = PyList_GetItem(keylist, i);
 139     if (!PyString_Check(str)) {
 140       PyErr_SetString(PyExc_TypeError,
 141                      "Invalid keylist. It must contain only strings.");
 142       return NULL;
 143     }
 144     vectkeylist.push_back(PyString_AsString(str));
 145   }
 146
 147   (void)context; // XXX use this sometime!
 148   if (!ob::Openbox::instance->bindings()->addKey(vectkeylist, func)) {
 149     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 150     return NULL;
 151   }
 152   Py_INCREF(Py_None); return Py_None;
 153 }
 154
 155 PyObject *kunbind(PyObject *keylist, PyObject *func)
 156 {
 157   if (!PyList_Check(keylist)) {
 158     PyErr_SetString(PyExc_TypeError, "Invalid keylist. Not a list.");
 159     return NULL;
 160   }
 161   if (!PyCallable_Check(func)) {
 162     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 163     return NULL;
 164   }
 165
 166   ob::Bindings::StringVect vectkeylist;
 167   for (int i = 0, end = PyList_Size(keylist); i < end; ++i) {
 168     PyObject *str = PyList_GetItem(keylist, i);
 169     if (!PyString_Check(str)) {
 170       PyErr_SetString(PyExc_TypeError,
 171                      "Invalid keylist. It must contain only strings.");
 172       return NULL;
 173     }
 174     vectkeylist.push_back(PyString_AsString(str));
 175   }
 176
 177   if (!ob::Openbox::instance->bindings()->removeKey(vectkeylist, func)) {
 178       PyErr_SetString(PyExc_RuntimeError, "Could not remove callback.");
 179       return NULL;
 180   }
 181   Py_INCREF(Py_None); return Py_None;
 182 }
 183
 184 void kunbind_all()
 185 {
 186   ob::Openbox::instance->bindings()->removeAllKeys();
 187 }
 188
 189 void set_reset_key(const std::string &key)
 190 {
 191   ob::Openbox::instance->bindings()->setResetKey(key);
 192 }
 193
 194 PyObject *send_client_msg(Window target, int type, Window about,
 195                           long data, long data1, long data2,
 196                           long data3, long data4)
 197 {
 198   if (type < 0 || type >= otk::Property::NUM_ATOMS) {
 199       PyErr_SetString(PyExc_TypeError,
 200                      "Invalid atom type. Must be from otk::Property::Atoms");
 201       return NULL;
 202   }
 203
 204   XEvent e;
 205   e.xclient.type = ClientMessage;
 206   e.xclient.format = 32;
 207   e.xclient.message_type =
 208     Openbox::instance->property()->atom((otk::Property::Atoms)type);
 209   e.xclient.window = about;
 210   e.xclient.data.l[0] = data;
 211   e.xclient.data.l[1] = data1;
 212   e.xclient.data.l[2] = data2;
 213   e.xclient.data.l[3] = data3;
 214   e.xclient.data.l[4] = data4;
 215
 216   XSendEvent(otk::Display::display, target, false,
 217              SubstructureRedirectMask | SubstructureNotifyMask,
 218              &e);
 219   Py_INCREF(Py_None); return Py_None;
 220 }
 221
 222 }