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