Remove unused listwindows functions for Windows/3.12 support

src/_imaging.c

@@ -3984,8 +3984,6 @@ PyImaging_GrabScreenWin32(PyObject *self, PyObject *args);
 extern PyObject *
 PyImaging_GrabClipboardWin32(PyObject *self, PyObject *args);
 extern PyObject *
-PyImaging_ListWindowsWin32(PyObject *self, PyObject *args);
-extern PyObject *
 PyImaging_EventLoopWin32(PyObject *self, PyObject *args);
 extern PyObject *
 PyImaging_DrawWmf(PyObject *self, PyObject *args);
@@ -4069,7 +4067,6 @@ static PyMethodDef functions[] = {
     {"grabclipboard_win32", (PyCFunction)PyImaging_GrabClipboardWin32, METH_VARARGS},
     {"createwindow", (PyCFunction)PyImaging_CreateWindowWin32, METH_VARARGS},
     {"eventloop", (PyCFunction)PyImaging_EventLoopWin32, METH_VARARGS},
-    {"listwindows", (PyCFunction)PyImaging_ListWindowsWin32, METH_VARARGS},
     {"drawwmf", (PyCFunction)PyImaging_DrawWmf, METH_VARARGS},
 #endif
 #ifdef HAVE_XCB

src/display.c

@@ -421,79 +421,6 @@ PyImaging_GrabScreenWin32(PyObject *self, PyObject *args) {
     return NULL;
 }
 
-static BOOL CALLBACK
-list_windows_callback(HWND hwnd, LPARAM lParam) {
-    PyObject *window_list = (PyObject *)lParam;
-    PyObject *item;
-    PyObject *title;
-    RECT inner, outer;
-    int title_size;
-    int status;
-
-    /* get window title */
-    title_size = GetWindowTextLength(hwnd);
-    if (title_size > 0) {
-        title = PyUnicode_FromStringAndSize(NULL, title_size);
-        if (title) {
-            GetWindowTextW(hwnd, PyUnicode_AS_UNICODE(title), title_size + 1);
-        }
-    } else {
-        title = PyUnicode_FromString("");
-    }
-    if (!title) {
-        return 0;
-    }
-
-    /* get bounding boxes */
-    GetClientRect(hwnd, &inner);
-    GetWindowRect(hwnd, &outer);
-
-    item = Py_BuildValue(
-        F_HANDLE "N(iiii)(iiii)",
-        hwnd,
-        title,
-        inner.left,
-        inner.top,
-        inner.right,
-        inner.bottom,
-        outer.left,
-        outer.top,
-        outer.right,
-        outer.bottom);
-    if (!item) {
-        return 0;
-    }
-
-    status = PyList_Append(window_list, item);
-
-    Py_DECREF(item);
-
-    if (status < 0) {
-        return 0;
-    }
-
-    return 1;
-}
-
-PyObject *
-PyImaging_ListWindowsWin32(PyObject *self, PyObject *args) {
-    PyObject *window_list;
-
-    window_list = PyList_New(0);
-    if (!window_list) {
-        return NULL;
-    }
-
-    EnumWindows(list_windows_callback, (LPARAM)window_list);
-
-    if (PyErr_Occurred()) {
-        Py_DECREF(window_list);
-        return NULL;
-    }
-
-    return window_list;
-}
-
 /* -------------------------------------------------------------------- */
 /* Windows clipboard grabber */