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Wrap more win32 API functions

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Kovid Goyal 2020-10-10 09:22:51 +05:30
parent e807604fb6
commit d8c5a851cf
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1 changed files with 50 additions and 0 deletions
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src/calibre/utils/windows/winutil.cpp
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@ -659,16 +659,61 @@ get_process_times(PyObject *self, PyObject *pid) {
#undef T
}
static PyObject*
get_async_key_state(PyObject *self, PyObject *args) {
int key;
if (!PyArg_ParseTuple(args, "i", &key)) return NULL;
long state = GetAsyncKeyState(key);
return PyLong_FromLong(state);
}
static PyObject*
get_handle_information(PyObject *self, PyObject *args) {
PyObject *handle;
if (!PyArg_ParseTuple(args, "O!", &PyLong_Type, &handle)) return NULL;
DWORD ans;
if (!GetHandleInformation(PyLong_AsVoidPtr(handle), &ans)) return PyErr_SetFromWindowsErr(0);
return PyLong_FromUnsignedLong(ans);
}
static PyObject*
get_last_error(PyObject *self) {
return PyLong_FromLong(GetLastError());
}
static PyObject*
load_library(PyObject *self, PyObject *args) {
unsigned long flags = 0;
wchar_raii path;
if (!PyArg_ParseTuple(args, "O&|k", py_to_wchar_no_none, &path, &flags)) return NULL;
HMODULE h = LoadLibraryEx(path.ptr(), NULL, flags);
if (h == NULL) return PyErr_SetFromWindowsErr(0);
return PyLong_FromVoidPtr(h);
}
static PyObject*
free_library(PyObject *self, PyObject *args) {
PyObject *handle;
if (!PyArg_ParseTuple(args, "O!", &PyLong_Type, &handle)) return NULL;
if (!FreeLibrary(PyLong_AsVoidPtr(handle))) return PyErr_SetFromWindowsErr(0);
Py_RETURN_NONE;
}
// Boilerplate {{{
static const char winutil_doc[] = "Defines utility methods to interface with windows.";
#define M(name, args) { #name, name, args, ""}
static PyMethodDef winutil_methods[] = {
M(get_dll_directory, METH_NOARGS),
M(get_async_key_state, METH_VARARGS),
M(create_named_pipe, METH_VARARGS),
M(set_handle_information, METH_VARARGS),
M(get_long_path_name, METH_VARARGS),
M(get_process_times, METH_O),
M(get_handle_information, METH_VARARGS),
M(get_last_error, METH_NOARGS),
M(load_library, METH_VARARGS),
M(free_library, METH_VARARGS),
{"special_folder_path", winutil_folder_path, METH_VARARGS,
"special_folder_path(csidl_id) -> path\n\n"
@ -891,6 +936,11 @@ CALIBRE_MODINIT_FUNC PyInit_winutil(void) {
PyModule_AddIntConstant(m, "PIPE_REJECT_REMOTE_CLIENTS", PIPE_REJECT_REMOTE_CLIENTS);
PyModule_AddIntConstant(m, "HANDLE_FLAG_INHERIT", HANDLE_FLAG_INHERIT);
PyModule_AddIntConstant(m, "HANDLE_FLAG_PROTECT_FROM_CLOSE", HANDLE_FLAG_PROTECT_FROM_CLOSE);
PyModule_AddIntConstant(m, "VK_RMENU", VK_RMENU);
PyModule_AddIntConstant(m, "DONT_RESOLVE_DLL_REFERENCES", DONT_RESOLVE_DLL_REFERENCES);
PyModule_AddIntConstant(m, "LOAD_LIBRARY_AS_DATAFILE", LOAD_LIBRARY_AS_DATAFILE);
PyModule_AddIntConstant(m, "LOAD_LIBRARY_AS_IMAGE_RESOURCE", LOAD_LIBRARY_AS_IMAGE_RESOURCE);
PyModule_AddIntConstant(m, "RT_GROUP_ICON", RT_GROUP_ICON);
return m;
}