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 // The initializer in otk_wrap.cc
  15 extern void init_otk(void);
  16 }
  17
  18 namespace ob {
  19
  20 static PyObject *obdict = NULL;
  21
  22 void python_init(char *argv0)
  23 {
  24   Py_SetProgramName(argv0);
  25   Py_Initialize();
  26   init_otk();
  27   init_openbox();
  28   PyRun_SimpleString("import sys");
  29   PyRun_SimpleString("sys.path.append('" SCRIPTDIR "')");
  30   PyRun_SimpleString(const_cast<char*>(((std::string)"sys.path.append('" +
  31                                         otk::expandTilde("~/.openbox/python") +
  32                                         "')").c_str()));
  33 //  PyRun_SimpleString("from _otk import *; from _openbox import *;");
  34   PyRun_SimpleString("from openbox import *;");
  35   PyRun_SimpleString("openbox = Openbox_instance()");
  36   PyRun_SimpleString("display = OBDisplay_display()");
  37
  38   /* XXX
  39      sys.path.append('stuff')
  40      install the .py wrappers, and include their path with this, then import em
  41      and ~/.openbox/python/ !!
  42   */
  43
  44   // set up access to the python global variables
  45   PyObject *obmodule = PyImport_AddModule("__main__");
  46   obdict = PyModule_GetDict(obmodule);
  47 }
  48
  49 void python_destroy()
  50 {
  51   Py_DECREF(obdict);
  52 }
  53
  54 bool python_exec(const std::string &path)
  55 {
  56   FILE *rcpyfd = fopen(path.c_str(), "r");
  57   if (!rcpyfd) {
  58     printf("failed to load python file %s\n", path.c_str());
  59     return false;
  60   }
  61   PyRun_SimpleFile(rcpyfd, const_cast<char*>(path.c_str()));
  62   fclose(rcpyfd);
  63   return true;
  64 }
  65
  66 bool python_get_long(const char *name, long *value)
  67 {
  68   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  69   if (!(val && PyLong_Check(val))) return false;
  70
  71   *value = PyLong_AsLong(val);
  72   return true;
  73 }
  74
  75 bool python_get_string(const char *name, std::string *value)
  76 {
  77   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  78   if (!(val && PyString_Check(val))) return false;
  79
  80   *value = PyString_AsString(val);
  81   return true;
  82 }
  83
  84 bool python_get_stringlist(const char *name, std::vector<std::string> *value)
  85 {
  86   PyObject *val = PyDict_GetItemString(obdict, const_cast<char*>(name));
  87   if (!(val && PyList_Check(val))) return false;
  88
  89   for (int i = 0, end = PyList_Size(val); i < end; ++i) {
  90     PyObject *str = PyList_GetItem(val, i);
  91     if (PyString_Check(str))
  92       value->push_back(PyString_AsString(str));
  93   }
  94   return true;
  95 }
  96
  97 // ************************************* //
  98 // Stuff for calling from Python scripts //
  99 // ************************************* //
 100
 101 PyObject *mbind(const std::string &button, ob::MouseContext context,
 102                 ob::MouseAction action, PyObject *func)
 103 {
 104   if (!PyCallable_Check(func)) {
 105     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 106     return NULL;
 107   }
 108
 109   if (!ob::Openbox::instance->bindings()->addButton(button, context,
 110                                                     action, func)) {
 111     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 112     return NULL;
 113   }
 114   Py_INCREF(Py_None); return Py_None;
 115 }
 116
 117 PyObject *ebind(ob::EventAction action, PyObject *func)
 118 {
 119   if (!PyCallable_Check(func)) {
 120     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 121     return NULL;
 122   }
 123
 124   if (!ob::Openbox::instance->bindings()->addEvent(action, func)) {
 125     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 126     return NULL;
 127   }
 128   Py_INCREF(Py_None); return Py_None;
 129 }
 130
 131 PyObject *kbind(PyObject *keylist, ob::KeyContext context, PyObject *func)
 132 {
 133   if (!PyCallable_Check(func)) {
 134     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 135     return NULL;
 136   }
 137   if (!PyList_Check(keylist)) {
 138     PyErr_SetString(PyExc_TypeError, "Invalid keylist. Not a list.");
 139     return NULL;
 140   }
 141
 142   ob::OBBindings::StringVect vectkeylist;
 143   for (int i = 0, end = PyList_Size(keylist); i < end; ++i) {
 144     PyObject *str = PyList_GetItem(keylist, i);
 145     if (!PyString_Check(str)) {
 146       PyErr_SetString(PyExc_TypeError,
 147                      "Invalid keylist. It must contain only strings.");
 148       return NULL;
 149     }
 150     vectkeylist.push_back(PyString_AsString(str));
 151   }
 152
 153   (void)context; // XXX use this sometime!
 154   if (!ob::Openbox::instance->bindings()->addKey(vectkeylist, func)) {
 155     PyErr_SetString(PyExc_RuntimeError,"Unable to add binding.");
 156     return NULL;
 157   }
 158   Py_INCREF(Py_None); return Py_None;
 159 }
 160
 161 PyObject *kunbind(PyObject *keylist, PyObject *func)
 162 {
 163   if (!PyList_Check(keylist)) {
 164     PyErr_SetString(PyExc_TypeError, "Invalid keylist. Not a list.");
 165     return NULL;
 166   }
 167   if (!PyCallable_Check(func)) {
 168     PyErr_SetString(PyExc_TypeError, "Invalid callback function.");
 169     return NULL;
 170   }
 171
 172   ob::OBBindings::StringVect vectkeylist;
 173   for (int i = 0, end = PyList_Size(keylist); i < end; ++i) {
 174     PyObject *str = PyList_GetItem(keylist, i);
 175     if (!PyString_Check(str)) {
 176       PyErr_SetString(PyExc_TypeError,
 177                      "Invalid keylist. It must contain only strings.");
 178       return NULL;
 179     }
 180     vectkeylist.push_back(PyString_AsString(str));
 181   }
 182
 183   if (!ob::Openbox::instance->bindings()->removeKey(vectkeylist, func)) {
 184       PyErr_SetString(PyExc_RuntimeError, "Could not remove callback.");
 185       return NULL;
 186   }
 187   Py_INCREF(Py_None); return Py_None;
 188 }
 189
 190 void kunbind_all()
 191 {
 192   ob::Openbox::instance->bindings()->removeAllKeys();
 193 }
 194
 195 void set_reset_key(const std::string &key)
 196 {
 197   ob::Openbox::instance->bindings()->setResetKey(key);
 198 }
 199
 200 PyObject *send_client_msg(Window target, int type, Window about,
 201                           long data, long data1, long data2,
 202                           long data3, long data4)
 203 {
 204   if (type < 0 || type >= otk::OBProperty::NUM_ATOMS) {
 205       PyErr_SetString(PyExc_TypeError,
 206                      "Invalid atom type. Must be from otk::OBProperty::Atoms");
 207       return NULL;
 208   }
 209
 210   XEvent e;
 211   e.xclient.type = ClientMessage;
 212   e.xclient.format = 32;
 213   e.xclient.message_type =
 214     Openbox::instance->property()->atom((otk::OBProperty::Atoms)type);
 215   e.xclient.window = about;
 216   e.xclient.data.l[0] = data;
 217   e.xclient.data.l[1] = data1;
 218   e.xclient.data.l[2] = data2;
 219   e.xclient.data.l[3] = data3;
 220   e.xclient.data.l[4] = data4;
 221
 222   XSendEvent(otk::OBDisplay::display, target, false,
 223              SubstructureRedirectMask | SubstructureNotifyMask,
 224              &e);
 225   Py_INCREF(Py_None); return Py_None;
 226 }
 227
 228 }