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author | Barry Warsaw <barry@python.org> | 1997-01-16 00:15:11 (GMT) |
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committer | Barry Warsaw <barry@python.org> | 1997-01-16 00:15:11 (GMT) |
commit | fa701a88ab4901ce241af03acdc3d79ccbce3f74 (patch) | |
tree | 72b9a0e22435732ec0cf9a81d7fea3d79d0776d4 /Modules/_tkinter.c | |
parent | e4d7821ea4b0f2767e741513b20efab4aa11f2c1 (diff) | |
download | cpython-fa701a88ab4901ce241af03acdc3d79ccbce3f74.zip cpython-fa701a88ab4901ce241af03acdc3d79ccbce3f74.tar.gz cpython-fa701a88ab4901ce241af03acdc3d79ccbce3f74.tar.bz2 |
reformatted
memory leak in Tkapp_(Create|Delete)FileHandler plugged.
standard eyeballing
Diffstat (limited to 'Modules/_tkinter.c')
-rw-r--r-- | Modules/_tkinter.c | 1812 |
1 files changed, 977 insertions, 835 deletions
diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c index 1315c1b..ba95310 100644 --- a/Modules/_tkinter.c +++ b/Modules/_tkinter.c @@ -98,13 +98,13 @@ staticforward int PyMacConvertEvent Py_PROTO((EventRecord *eventPtr)); staticforward PyTypeObject Tkapp_Type; typedef struct - { - PyObject_HEAD - Tcl_Interp *interp; +{ + PyObject_HEAD + Tcl_Interp *interp; #ifdef NEED_TKCREATEMAINWINDOW - Tk_Window tkwin; + Tk_Window tkwin; #endif - } +} TkappObject; #define Tkapp_Check(v) ((v)->ob_type == &Tkapp_Type) @@ -115,8 +115,10 @@ TkappObject; #define Tkapp_Result(v) (((TkappObject *) (v))->interp->result) #define DEBUG_REFCNT(v) (printf ("DEBUG: id=%p, refcnt=%i\n", \ - (void *) v, ((PyObject *) v)->ob_refcnt)) +(void *) v, ((PyObject *) v)->ob_refcnt)) + + /**** Error Handling ****/ static PyObject *Tkinter_TclError; @@ -126,767 +128,842 @@ static PyObject *excInCmd; static PyObject *valInCmd; static PyObject *trbInCmd; + + static PyObject * -Tkinter_Error (v) - PyObject *v; +Tkinter_Error(v) + PyObject *v; { - PyErr_SetString (Tkinter_TclError, Tkapp_Result (v)); - return NULL; + PyErr_SetString(Tkinter_TclError, Tkapp_Result(v)); + return NULL; } + int -PythonCmd_Error (interp) - Tcl_Interp *interp; +PythonCmd_Error(interp) + Tcl_Interp *interp; { - errorInCmd = 1; - PyErr_Fetch (&excInCmd, &valInCmd, &trbInCmd); - return TCL_ERROR; + errorInCmd = 1; + PyErr_Fetch(&excInCmd, &valInCmd, &trbInCmd); + return TCL_ERROR; } -/**** Utils ****/ + +/**** Utils ****/ static char * -AsString (value, tmp) - PyObject *value; - PyObject *tmp; -{ - if (PyString_Check (value)) - return PyString_AsString (value); - else - { - PyObject *v; - - v = PyObject_Str (value); - PyList_Append (tmp, v); - Py_DECREF (v); - return PyString_AsString (v); - } +AsString(value, tmp) + PyObject *value; + PyObject *tmp; +{ + if (PyString_Check (value)) + return PyString_AsString (value); + else { + PyObject *v = PyObject_Str(value); + PyList_Append(tmp, v); + Py_DECREF(v); + return PyString_AsString(v); + } } + + #define ARGSZ 64 static char * -Merge (args) - PyObject *args; -{ - PyObject *tmp; - char *argvStore[ARGSZ]; - char **argv; - int fvStore[ARGSZ]; - int *fv; - int argc; - char *res; - int i; - - tmp = PyList_New (0); - argv = argvStore; - fv = fvStore; - - if (args == NULL) - { - argc = 0; - } - else if (!PyTuple_Check (args)) - { - argc = 1; - fv[0] = 0; - argv[0] = AsString (args, tmp); - } - else - { - PyObject *v; - - if (PyTuple_Size (args) > ARGSZ) - { - argv = (char **) ckalloc (PyTuple_Size (args) * sizeof (char *)); - fv = (int *) ckalloc (PyTuple_Size (args) * sizeof (int)); - if (argv == NULL || fv == NULL) - PyErr_NoMemory (); - } +Merge(args) + PyObject *args; +{ + PyObject *tmp = NULL; + char *argvStore[ARGSZ]; + char **argv = NULL; + int fvStore[ARGSZ]; + int *fv = NULL; + int argc = 0, i; + char *res = NULL; - argc = PyTuple_Size (args); - for (i = 0; i < argc; i++) - { - v = PyTuple_GetItem (args, i); - if (PyTuple_Check (v)) - { - fv[i] = 1; - argv[i] = Merge (v); - } - else if (v == Py_None) - { - argc = i; - break; - } - else - { - fv[i] = 0; - argv[i] = AsString (v, tmp); - } - } - } + if (!(tmp = PyList_New(0))) + return NULL; - res = Tcl_Merge (argc, argv); + argv = argvStore; + fv = fvStore; - Py_DECREF (tmp); - for (i = 0; i < argc; i++) - if (fv[i]) ckfree (argv[i]); - if (argv != argvStore) - ckfree (FREECAST argv); - if (fv != fvStore) - ckfree (FREECAST fv); + if (args == NULL) + argc = 0; - return res; + else if (!PyTuple_Check(args)) { + argc = 1; + fv[0] = 0; + argv[0] = AsString(args, tmp); + } + else { + argc = PyTuple_Size(args); + + if (argc > ARGSZ) { + argv = (char **)ckalloc(argc * sizeof (char *)); + fv = (int *)ckalloc(argc * sizeof (int)); + if (argv == NULL || fv == NULL) { + PyErr_NoMemory(); + goto finally; + } + } + + for (i = 0; i < argc; i++) { + PyObject *v = PyTuple_GetItem(args, i); + if (PyTuple_Check(v)) { + fv[i] = 1; + if (!(argv[i] = Merge(v))) + goto finally; + } + else if (v == Py_None) { + argc = i; + break; + } + else { + fv[i] = 0; + argv[i] = AsString(v, tmp); + } + } + } + res = Tcl_Merge(argc, argv); + + finally: + for (i = 0; i < argc; i++) + if (fv[i]) { + ckfree(argv[i]); + } + if (argv != argvStore) + ckfree(FREECAST argv); + if (fv != fvStore) + ckfree(FREECAST fv); + + Py_DECREF(tmp); + return res; } + + static PyObject * -Split (self, list) - PyObject *self; - char *list; -{ - int argc; - char **argv; - PyObject *v; - - if (list == NULL) - { - Py_INCREF (Py_None); - return Py_None; - } - - if (Tcl_SplitList (Tkapp_Interp (self), list, &argc, &argv) == TCL_ERROR) - { - /* Not a list. - Could be a quoted string containing funnies, e.g. {"}. - Return the string itself. */ - PyErr_Clear(); - return PyString_FromString(list); - } - - if (argc == 0) - v = PyString_FromString (""); - else if (argc == 1) - v = PyString_FromString (argv[0]); - else if ((v = PyTuple_New (argc)) != NULL) - { - int i; - PyObject *w; - - for (i = 0; i < argc; i++) { - if ((w = Split (self, argv[i])) == NULL) - { - Py_DECREF(v); - v = NULL; - break; - } - PyTuple_SetItem (v, i, w); - } - } - - ckfree (FREECAST argv); - return v; +Split(self, list) + PyObject *self; + char *list; +{ + int argc; + char **argv; + PyObject *v; + + if (list == NULL) { + Py_INCREF(Py_None); + return Py_None; + } + + if (Tcl_SplitList(Tkapp_Interp(self), list, &argc, &argv) == TCL_ERROR) + { + /* Not a list. + * Could be a quoted string containing funnies, e.g. {"}. + * Return the string itself. + */ + PyErr_Clear(); + return PyString_FromString(list); + } + + if (argc == 0) + v = PyString_FromString(""); + else if (argc == 1) + v = PyString_FromString(argv[0]); + else if ((v = PyTuple_New (argc)) != NULL) { + int i; + PyObject *w; + + for (i = 0; i < argc; i++) { + if ((w = Split(self, argv[i])) == NULL) { + Py_DECREF(v); + v = NULL; + break; + } + PyTuple_SetItem(v, i, w); + } + } + ckfree (FREECAST argv); + return v; } + + /**** Tkapp Object ****/ #ifndef WITH_APPINIT int Tcl_AppInit (interp) - Tcl_Interp *interp; + Tcl_Interp *interp; { - Tk_Window main; + Tk_Window main; - main = Tk_MainWindow(interp); - if (Tcl_Init (interp) == TCL_ERROR) { - fprintf(stderr, "Tcl_Init error: %s\n", interp->result); - return TCL_ERROR; - } - if (Tk_Init (interp) == TCL_ERROR) { - fprintf(stderr, "Tk_Init error: %s\n", interp->result); - return TCL_ERROR; - } - return TCL_OK; + main = Tk_MainWindow(interp); + if (Tcl_Init(interp) == TCL_ERROR) { + fprintf(stderr, "Tcl_Init error: %s\n", interp->result); + return TCL_ERROR; + } + if (Tk_Init(interp) == TCL_ERROR) { + fprintf(stderr, "Tk_Init error: %s\n", interp->result); + return TCL_ERROR; + } + return TCL_OK; } - #endif /* !WITH_APPINIT */ + + + /* Initialize the Tk application; see the `main' function in - `tkMain.c'. */ + * `tkMain.c'. + */ static TkappObject * -Tkapp_New (screenName, baseName, className, interactive) - char *screenName; - char *baseName; - char *className; - int interactive; -{ - TkappObject *v; - char *argv0; +Tkapp_New(screenName, baseName, className, interactive) + char *screenName; + char *baseName; + char *className; + int interactive; +{ + TkappObject *v; + char *argv0; - v = PyObject_NEW (TkappObject, &Tkapp_Type); - if (v == NULL) - return NULL; + v = PyObject_NEW(TkappObject, &Tkapp_Type); + if (v == NULL) + return NULL; - v->interp = Tcl_CreateInterp (); + v->interp = Tcl_CreateInterp(); #ifdef NEED_TKCREATEMAINWINDOW - v->tkwin = Tk_CreateMainWindow (v->interp, screenName, - baseName, className); - if (v->tkwin == NULL) - return (TkappObject *) Tkinter_Error ((PyObject *) v); + v->tkwin = Tk_CreateMainWindow(v->interp, screenName, + baseName, className); + if (v->tkwin == NULL) + return (TkappObject *)Tkinter_Error((PyObject *) v); - Tk_GeometryRequest (v->tkwin, 200, 200); + Tk_GeometryRequest(v->tkwin, 200, 200); #endif - if (screenName != NULL) - Tcl_SetVar2 (v->interp, "env", "DISPLAY", screenName, TCL_GLOBAL_ONLY); + if (screenName != NULL) + Tcl_SetVar2(v->interp, "env", "DISPLAY", + screenName, TCL_GLOBAL_ONLY); - if (interactive) - Tcl_SetVar (v->interp, "tcl_interactive", "1", TCL_GLOBAL_ONLY); - else - Tcl_SetVar (v->interp, "tcl_interactive", "0", TCL_GLOBAL_ONLY); + if (interactive) + Tcl_SetVar(v->interp, "tcl_interactive", "1", TCL_GLOBAL_ONLY); + else + Tcl_SetVar(v->interp, "tcl_interactive", "0", TCL_GLOBAL_ONLY); + + /* This is used to get the application class for Tk 4.1 and up */ + argv0 = (char*)ckalloc(strlen(className) + 1); + if (!argv0) { + PyErr_NoMemory(); + Py_DECREF(v); + return NULL; + } - /* This is used to get the application class for Tk 4.1 and up */ - argv0 = (char*) ckalloc (strlen (className) + 1); - if (argv0 != NULL) { - strcpy (argv0, className); - if (isupper (argv0[0])) - argv0[0] = tolower (argv0[0]); - Tcl_SetVar (v->interp, "argv0", argv0, TCL_GLOBAL_ONLY); - ckfree (argv0); - } + strcpy(argv0, className); + if (isupper(argv0[0])) + argv0[0] = tolower(argv0[0]); + Tcl_SetVar(v->interp, "argv0", argv0, TCL_GLOBAL_ONLY); + ckfree(argv0); - if (Tcl_AppInit (v->interp) != TCL_OK) - return (TkappObject *) Tkinter_Error (v); + if (Tcl_AppInit(v->interp) != TCL_OK) + return (TkappObject *)Tkinter_Error(v); - return v; + return v; } + + /** Tcl Eval **/ static PyObject * -Tkapp_Call (self, args) - PyObject *self; - PyObject *args; +Tkapp_Call(self, args) + PyObject *self; + PyObject *args; { - char *cmd; + char *cmd = Merge(args); + PyObject *res = NULL; + + if (!cmd) + PyErr_SetString(Tkinter_TclError, "merge failed"); + + else if (Tcl_Eval(Tkapp_Interp(self), cmd) == TCL_ERROR) + res = Tkinter_Error(self); + + else + res = PyString_FromString(Tkapp_Result(self)); - cmd = Merge (args); - if (Tcl_Eval (Tkapp_Interp (self), cmd) == TCL_ERROR) - { - ckfree (cmd); - return Tkinter_Error (self); - } + if (cmd) + ckfree(cmd); - ckfree (cmd); - return PyString_FromString (Tkapp_Result (self)); + return res; } + static PyObject * -Tkapp_GlobalCall (self, args) - PyObject *self; - PyObject *args; -{ - char *cmd; - - cmd = Merge (args); - if (Tcl_GlobalEval (Tkapp_Interp (self), cmd) == TCL_ERROR) - { - ckfree (cmd); - return Tkinter_Error (self); - } - - ckfree (cmd); - return PyString_FromString (Tkapp_Result (self)); +Tkapp_GlobalCall(self, args) + PyObject *self; + PyObject *args; +{ + char *cmd = Merge(args); + PyObject *res = NULL; + + + if (!cmd) + PyErr_SetString(Tkinter_TclError, "merge failed"); + + else if (Tcl_GlobalEval(Tkapp_Interp(self), cmd) == TCL_ERROR) + res = Tkinter_Error(self); + else + res = PyString_FromString(Tkapp_Result(self)); + + if (cmd) + ckfree(cmd); + + return res; } static PyObject * -Tkapp_Eval (self, args) - PyObject *self; - PyObject *args; +Tkapp_Eval(self, args) + PyObject *self; + PyObject *args; { - char *script; + char *script; - if (!PyArg_Parse (args, "s", &script)) - return NULL; + if (!PyArg_Parse (args, "s", &script)) + return NULL; - if (Tcl_Eval (Tkapp_Interp (self), script) == TCL_ERROR) - return Tkinter_Error (self); + if (Tcl_Eval(Tkapp_Interp(self), script) == TCL_ERROR) + return Tkinter_Error(self); - return PyString_FromString (Tkapp_Result (self)); + return PyString_FromString(Tkapp_Result(self)); } static PyObject * -Tkapp_GlobalEval (self, args) - PyObject *self; - PyObject *args; +Tkapp_GlobalEval(self, args) + PyObject *self; + PyObject *args; { - char *script; + char *script; - if (!PyArg_Parse (args, "s", &script)) - return NULL; + if (!PyArg_Parse(args, "s", &script)) + return NULL; - if (Tcl_GlobalEval (Tkapp_Interp (self), script) == TCL_ERROR) - return Tkinter_Error (self); + if (Tcl_GlobalEval(Tkapp_Interp(self), script) == TCL_ERROR) + return Tkinter_Error (self); - return PyString_FromString (Tkapp_Result (self)); + return PyString_FromString(Tkapp_Result(self)); } static PyObject * Tkapp_EvalFile (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *fileName; + char *fileName; - if (!PyArg_Parse (args, "s", &fileName)) - return NULL; + if (!PyArg_Parse(args, "s", &fileName)) + return NULL; - if (Tcl_EvalFile (Tkapp_Interp (self), fileName) == TCL_ERROR) - return Tkinter_Error (self); + if (Tcl_EvalFile(Tkapp_Interp(self), fileName) == TCL_ERROR) + return Tkinter_Error (self); - return PyString_FromString (Tkapp_Result (self)); + return PyString_FromString(Tkapp_Result(self)); } static PyObject * -Tkapp_Record (self, args) - PyObject *self; - PyObject *args; +Tkapp_Record(self, args) + PyObject *self; + PyObject *args; { - char *script; + char *script; - if (!PyArg_Parse (args, "s", &script)) - return NULL; + if (!PyArg_Parse(args, "s", &script)) + return NULL; - if (Tcl_RecordAndEval (Tkapp_Interp (self), - script, TCL_NO_EVAL) == TCL_ERROR) - return Tkinter_Error (self); + if (TCL_ERROR == Tcl_RecordAndEval(Tkapp_Interp(self), + script, TCL_NO_EVAL)) + return Tkinter_Error (self); - return PyString_FromString (Tkapp_Result (self)); + return PyString_FromString(Tkapp_Result(self)); } static PyObject * -Tkapp_AddErrorInfo (self, args) - PyObject *self; - PyObject *args; +Tkapp_AddErrorInfo(self, args) + PyObject *self; + PyObject *args; { - char *msg; + char *msg; - if (!PyArg_Parse (args, "s", &msg)) - return NULL; - Tcl_AddErrorInfo (Tkapp_Interp (self), msg); + if (!PyArg_Parse (args, "s", &msg)) + return NULL; + Tcl_AddErrorInfo(Tkapp_Interp(self), msg); - Py_INCREF(Py_None); - return Py_None; + Py_INCREF(Py_None); + return Py_None; } + + /** Tcl Variable **/ static PyObject * -SetVar (self, args, flags) - PyObject *self; - PyObject *args; - int flags; -{ - char *name1, *name2, *ok; - PyObject *newValue; - PyObject *tmp; - - tmp = PyList_New (0); - - if (PyArg_Parse (args, "(sO)", &name1, &newValue)) - ok = Tcl_SetVar (Tkapp_Interp (self), name1, - AsString (newValue, tmp), flags); /* XXX Merge? */ - else if (PyArg_Parse (args, "(ssO)", &name1, &name2, &newValue)) - ok = Tcl_SetVar2 (Tkapp_Interp (self), name1, name2, - AsString (newValue, tmp), flags); - else - { - Py_DECREF (tmp); - return NULL; - } - Py_DECREF (tmp); +SetVar(self, args, flags) + PyObject *self; + PyObject *args; + int flags; +{ + char *name1, *name2, *ok; + PyObject *newValue; + PyObject *tmp = PyList_New(0); + + if (!tmp) + return NULL; + + if (PyArg_Parse(args, "(sO)", &name1, &newValue)) + /* XXX Merge? */ + ok = Tcl_SetVar(Tkapp_Interp (self), name1, + AsString (newValue, tmp), flags); + + else if (PyArg_Parse(args, "(ssO)", &name1, &name2, &newValue)) + ok = Tcl_SetVar2(Tkapp_Interp (self), name1, name2, + AsString (newValue, tmp), flags); + else { + Py_DECREF (tmp); + return NULL; + } + Py_DECREF (tmp); - if (!ok) - return Tkinter_Error (self); + if (!ok) + return Tkinter_Error(self); - Py_INCREF (Py_None); - return Py_None; + Py_INCREF(Py_None); + return Py_None; } static PyObject * Tkapp_SetVar (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - return SetVar (self, args, TCL_LEAVE_ERR_MSG); + return SetVar(self, args, TCL_LEAVE_ERR_MSG); } static PyObject * Tkapp_GlobalSetVar (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - return SetVar (self, args, TCL_LEAVE_ERR_MSG | TCL_GLOBAL_ONLY); + return SetVar(self, args, TCL_LEAVE_ERR_MSG | TCL_GLOBAL_ONLY); } + + static PyObject * GetVar (self, args, flags) - PyObject *self; - PyObject *args; - int flags; + PyObject *self; + PyObject *args; + int flags; { - char *name1, *name2, *s; + char *name1, *name2, *s; - if (PyArg_Parse (args, "s", &name1)) - s = Tcl_GetVar (Tkapp_Interp (self), name1, flags); - else if (PyArg_Parse (args, "(ss)", &name1, &name2)) - s = Tcl_GetVar2 (Tkapp_Interp (self), name1, name2, flags); - else - return NULL; + if (PyArg_Parse(args, "s", &name1)) + s = Tcl_GetVar(Tkapp_Interp (self), name1, flags); - if (s == NULL) - return Tkinter_Error (self); + else if (PyArg_Parse(args, "(ss)", &name1, &name2)) + s = Tcl_GetVar2(Tkapp_Interp(self), name1, name2, flags); + else + return NULL; - return PyString_FromString (s); + if (s == NULL) + return Tkinter_Error(self); + + return PyString_FromString (s); } static PyObject * Tkapp_GetVar (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - return GetVar (self, args, TCL_LEAVE_ERR_MSG); + return GetVar(self, args, TCL_LEAVE_ERR_MSG); } static PyObject * Tkapp_GlobalGetVar (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - return GetVar (self, args, TCL_LEAVE_ERR_MSG | TCL_GLOBAL_ONLY); + return GetVar(self, args, TCL_LEAVE_ERR_MSG | TCL_GLOBAL_ONLY); } + + static PyObject * UnsetVar (self, args, flags) - PyObject *self; - PyObject *args; - int flags; + PyObject *self; + PyObject *args; + int flags; { - char *name1, *name2; - int code; + char *name1, *name2; + int code; - if (PyArg_Parse (args, "s", &name1)) - code = Tcl_UnsetVar (Tkapp_Interp (self), name1, flags); - else if (PyArg_Parse (args, "(ss)", &name1, &name2)) - code = Tcl_UnsetVar2 (Tkapp_Interp (self), name1, name2, flags); - else - return NULL; + if (PyArg_Parse(args, "s", &name1)) + code = Tcl_UnsetVar(Tkapp_Interp (self), name1, flags); - if (code == TCL_ERROR) - return Tkinter_Error (self); + else if (PyArg_Parse(args, "(ss)", &name1, &name2)) + code = Tcl_UnsetVar2(Tkapp_Interp(self), name1, name2, flags); + else + return NULL; + + if (code == TCL_ERROR) + return Tkinter_Error (self); - Py_INCREF (Py_None); - return Py_None; + Py_INCREF(Py_None); + return Py_None; } static PyObject * Tkapp_UnsetVar (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - return UnsetVar (self, args, TCL_LEAVE_ERR_MSG); + return UnsetVar(self, args, TCL_LEAVE_ERR_MSG); } static PyObject * Tkapp_GlobalUnsetVar (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - return UnsetVar (self, args, TCL_LEAVE_ERR_MSG | TCL_GLOBAL_ONLY); + return UnsetVar(self, args, TCL_LEAVE_ERR_MSG | TCL_GLOBAL_ONLY); } + + /** Tcl to Python **/ static PyObject * Tkapp_GetInt (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *s; - int v; + char *s; + int v; - if (!PyArg_Parse (args, "s", &s)) - return NULL; - if (Tcl_GetInt (Tkapp_Interp (self), s, &v) == TCL_ERROR) - return Tkinter_Error (self); - return Py_BuildValue ("i", v); + if (!PyArg_Parse(args, "s", &s)) + return NULL; + if (Tcl_GetInt(Tkapp_Interp (self), s, &v) == TCL_ERROR) + return Tkinter_Error(self); + return Py_BuildValue("i", v); } static PyObject * Tkapp_GetDouble (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *s; - double v; + char *s; + double v; - if (!PyArg_Parse (args, "s", &s)) - return NULL; - if (Tcl_GetDouble (Tkapp_Interp (self), s, &v) == TCL_ERROR) - return Tkinter_Error (self); - return Py_BuildValue ("d", v); + if (!PyArg_Parse(args, "s", &s)) + return NULL; + if (Tcl_GetDouble(Tkapp_Interp (self), s, &v) == TCL_ERROR) + return Tkinter_Error(self); + return Py_BuildValue("d", v); } static PyObject * Tkapp_GetBoolean (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *s; - int v; + char *s; + int v; - if (!PyArg_Parse (args, "s", &s)) - return NULL; - if (Tcl_GetBoolean (Tkapp_Interp (self), s, &v) == TCL_ERROR) - return Tkinter_Error (self); - return Py_BuildValue ("i", v); + if (!PyArg_Parse(args, "s", &s)) + return NULL; + if (Tcl_GetBoolean(Tkapp_Interp (self), s, &v) == TCL_ERROR) + return Tkinter_Error (self); + return Py_BuildValue("i", v); } static PyObject * Tkapp_ExprString (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *s; + char *s; - if (!PyArg_Parse (args, "s", &s)) - return NULL; - if (Tcl_ExprString (Tkapp_Interp (self), s) == TCL_ERROR) - return Tkinter_Error (self); - return Py_BuildValue ("s", Tkapp_Result (self)); + if (!PyArg_Parse(args, "s", &s)) + return NULL; + if (Tcl_ExprString (Tkapp_Interp (self), s) == TCL_ERROR) + return Tkinter_Error(self); + return Py_BuildValue("s", Tkapp_Result(self)); } static PyObject * Tkapp_ExprLong (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *s; - long v; + char *s; + long v; - if (!PyArg_Parse (args, "s", &s)) - return NULL; - if (Tcl_ExprLong (Tkapp_Interp (self), s, &v) == TCL_ERROR) - return Tkinter_Error (self); - return Py_BuildValue ("l", v); + if (!PyArg_Parse(args, "s", &s)) + return NULL; + if (Tcl_ExprLong(Tkapp_Interp(self), s, &v) == TCL_ERROR) + return Tkinter_Error(self); + return Py_BuildValue("l", v); } static PyObject * Tkapp_ExprDouble (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *s; - double v; + char *s; + double v; - if (!PyArg_Parse (args, "s", &s)) - return NULL; - if (Tcl_ExprDouble (Tkapp_Interp (self), s, &v) == TCL_ERROR) - return Tkinter_Error (self); - return Py_BuildValue ("d", v); + if (!PyArg_Parse(args, "s", &s)) + return NULL; + if (Tcl_ExprDouble(Tkapp_Interp(self), s, &v) == TCL_ERROR) + return Tkinter_Error(self); + return Py_BuildValue("d", v); } static PyObject * Tkapp_ExprBoolean (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *s; - int v; + char *s; + int v; - if (!PyArg_Parse (args, "s", &s)) - return NULL; - if (Tcl_ExprBoolean (Tkapp_Interp (self), s, &v) == TCL_ERROR) - return Tkinter_Error (self); - return Py_BuildValue ("i", v); + if (!PyArg_Parse(args, "s", &s)) + return NULL; + if (Tcl_ExprBoolean(Tkapp_Interp(self), s, &v) == TCL_ERROR) + return Tkinter_Error(self); + return Py_BuildValue("i", v); } + + static PyObject * Tkapp_SplitList (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *list; - int argc; - char **argv; - PyObject *v; - int i; + char *list; + int argc; + char **argv; + PyObject *v; + int i; - if (!PyArg_Parse (args, "s", &list)) - return NULL; + if (!PyArg_Parse(args, "s", &list)) + return NULL; - if (Tcl_SplitList (Tkapp_Interp (self), list, &argc, &argv) == TCL_ERROR) - return Tkinter_Error (self); + if (Tcl_SplitList(Tkapp_Interp(self), list, &argc, &argv) == TCL_ERROR) + return Tkinter_Error(self); - v = PyTuple_New (argc); - for (i = 0; i < argc; i++) - PyTuple_SetItem (v, i, PyString_FromString (argv[i])); + if (!(v = PyTuple_New(argc))) + return NULL; + + for (i = 0; i < argc; i++) { + PyObject *s = PyString_FromString(argv[i]); + if (!s || PyTuple_SetItem(v, i, s)) { + Py_DECREF(v); + v = NULL; + goto finally; + } + } - ckfree (FREECAST argv); - return v; + finally: + ckfree(FREECAST argv); + return v; } static PyObject * Tkapp_Split (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *list; + char *list; - if (!PyArg_Parse (args, "s", &list)) - return NULL; - return Split (self, list); + if (!PyArg_Parse(args, "s", &list)) + return NULL; + return Split(self, list); } static PyObject * Tkapp_Merge (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *s; - PyObject *v; + char *s = Merge(args); + PyObject *res = NULL; + + if (s) { + res = PyString_FromString(s); + ckfree(s); + } + else + PyErr_SetString(Tkinter_TclError, "merge failed"); - s = Merge (args); - v = PyString_FromString (s); - ckfree (s); - return v; + return res; } + + /** Tcl Command **/ /* This is the Tcl command that acts as a wrapper for Python - function or method. */ + * function or method. + */ static int PythonCmd (clientData, interp, argc, argv) - ClientData clientData; /* Is (self, func) */ - Tcl_Interp *interp; - int argc; - char *argv[]; -{ - PyObject *self, *func, *arg, *res, *tmp; - int i; - - self = PyTuple_GetItem ((PyObject *) clientData, 0); - func = PyTuple_GetItem ((PyObject *) clientData, 1); + ClientData clientData; /* Is (self, func) */ + Tcl_Interp *interp; + int argc; + char *argv[]; +{ + PyObject *self, *func, *arg, *res, *tmp; + int i; + + /* TBD: no error checking here since we know, via the + * Tkapp_CreateCommand() that the client data is a two-tuple + */ + self = PyTuple_GetItem((PyObject *) clientData, 0); + func = PyTuple_GetItem((PyObject *) clientData, 1); + + /* Create argument list (argv1, ..., argvN) */ + if (!(arg = PyTuple_New(argc - 1))) + return PythonCmd_Error(interp); + + for (i = 0; i < (argc - 1); i++) { + PyObject *s = PyString_FromString(argv[i + 1]); + if (!s || PyTuple_SetItem(arg, i, s)) { + Py_DECREF(arg); + PythonCmd_Error(interp); + } + } + res = PyEval_CallObject(func, arg); + Py_DECREF(arg); - /* Create argument list (argv1, ..., argvN) */ - arg = PyTuple_New (argc - 1); - for (i = 0; i < (argc - 1); i++) - PyTuple_SetItem (arg, i, PyString_FromString (argv[i + 1])); - - res = PyEval_CallObject (func, arg); - Py_DECREF (arg); + if (res == NULL) + return PythonCmd_Error(interp); - if (res == NULL) - return PythonCmd_Error (interp); + if (!(tmp = PyList_New(0))) { + Py_DECREF(res); + return PythonCmd_Error(interp); + } - tmp = PyList_New (0); - Tcl_SetResult (Tkapp_Interp (self), AsString (res, tmp), TCL_VOLATILE); - Py_DECREF (res); - Py_DECREF (tmp); + Tcl_SetResult(Tkapp_Interp(self), AsString(res, tmp), TCL_VOLATILE); + Py_DECREF(res); + Py_DECREF(tmp); - return TCL_OK; + return TCL_OK; } static void PythonCmdDelete (clientData) - ClientData clientData; /* Is (self, func) */ + ClientData clientData; /* Is (self, func) */ { - Py_DECREF ((PyObject *) clientData); + Py_DECREF((PyObject *) clientData); } + + static PyObject * Tkapp_CreateCommand (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *cmdName; - PyObject *data; - PyObject *func; + char *cmdName; + PyObject *data; + PyObject *func; - /* Args is: (cmdName, func) */ - if (!PyTuple_Check (args) - || !(PyTuple_Size (args) == 2) - || !PyString_Check (PyTuple_GetItem (args, 0)) - || !PyCallable_Check (PyTuple_GetItem (args, 1))) - { - PyErr_SetString (PyExc_TypeError, "bad argument list"); - return NULL; - } + /* Args is: (cmdName, func) */ + if (!PyTuple_Check(args) + || !(PyTuple_Size(args) == 2) + || !PyString_Check(PyTuple_GetItem(args, 0)) + || !PyCallable_Check(PyTuple_GetItem(args, 1))) + { + PyErr_SetString (PyExc_TypeError, "bad argument list"); + return NULL; + } - cmdName = PyString_AsString (PyTuple_GetItem (args, 0)); - func = PyTuple_GetItem (args, 1); + cmdName = PyString_AsString(PyTuple_GetItem(args, 0)); + func = PyTuple_GetItem(args, 1); - data = PyTuple_New (2); /* ClientData is: (self, func) */ + data = PyTuple_New(2); /* ClientData is: (self, func) */ + if (!data) + return NULL; - Py_INCREF (self); - PyTuple_SetItem (data, 0, self); + Py_INCREF(self); + PyTuple_SetItem(data, 0, self); - Py_INCREF (func); - PyTuple_SetItem (data, 1, func); + Py_INCREF(func); + PyTuple_SetItem(data, 1, func); - Tcl_CreateCommand (Tkapp_Interp (self), cmdName, PythonCmd, - (ClientData) data, PythonCmdDelete); + Tcl_CreateCommand(Tkapp_Interp (self), cmdName, PythonCmd, + (ClientData) data, PythonCmdDelete); - Py_INCREF (Py_None); - return Py_None; + Py_INCREF(Py_None); + return Py_None; } + + static PyObject * Tkapp_DeleteCommand (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - char *cmdName; + char *cmdName; - if (!PyArg_Parse (args, "s", &cmdName)) - return NULL; - if (Tcl_DeleteCommand (Tkapp_Interp (self), cmdName) == -1) - { - PyErr_SetString (Tkinter_TclError, "can't delete Tcl command"); - return NULL; - } - Py_INCREF (Py_None); - return Py_None; + if (!PyArg_Parse(args, "s", &cmdName)) + return NULL; + if (Tcl_DeleteCommand(Tkapp_Interp(self), cmdName) == -1) + { + PyErr_SetString(Tkinter_TclError, "can't delete Tcl command"); + return NULL; + } + Py_INCREF(Py_None); + return Py_None; } + + /** File Handler **/ static void FileHandler (clientData, mask) - ClientData clientData; /* Is: (func, file) */ - int mask; + ClientData clientData; /* Is: (func, file) */ + int mask; { - PyObject *func, *file, *arg, *res; + PyObject *func, *file, *arg, *res; - func = PyTuple_GetItem ((PyObject *) clientData, 0); - file = PyTuple_GetItem ((PyObject *) clientData, 1); + func = PyTuple_GetItem((PyObject *) clientData, 0); + file = PyTuple_GetItem((PyObject *) clientData, 1); - arg = Py_BuildValue ("(Oi)", file, (long) mask); - res = PyEval_CallObject (func, arg); - Py_DECREF (arg); - if (res == NULL) - { - errorInCmd = 1; - PyErr_Fetch (&excInCmd, &valInCmd, &trbInCmd); - } - Py_XDECREF (res); + arg = Py_BuildValue("(Oi)", file, (long) mask); + res = PyEval_CallObject(func, arg); + Py_DECREF (arg); + + if (res == NULL) { + errorInCmd = 1; + PyErr_Fetch(&excInCmd, &valInCmd, &trbInCmd); + } + Py_XDECREF(res); } static int GetFileNo (file) - PyObject *file; /* Either an int >= 0 or an object with a - .fileno() method that returns an int >= 0 */ + /* Either an int >= 0 or an object with a + *.fileno() method that returns an int >= 0 + */ + PyObject *file; { PyObject *meth, *args, *res; int id; @@ -896,21 +973,27 @@ GetFileNo (file) PyErr_SetString(PyExc_ValueError, "invalid file id"); return id; } - meth = PyObject_GetAttrString(file, "fileno"); - if (meth == NULL) - return -1; args = PyTuple_New(0); if (args == NULL) return -1; + + meth = PyObject_GetAttrString(file, "fileno"); + if (meth == NULL) { + Py_DECREF(args); + return -1; + } + res = PyEval_CallObject(meth, args); Py_DECREF(args); Py_DECREF(meth); if (res == NULL) return -1; + if (PyInt_Check(res)) id = PyInt_AsLong(res); else id = -1; + if (id < 0) PyErr_SetString(PyExc_ValueError, "invalid fileno() return value"); @@ -918,403 +1001,443 @@ GetFileNo (file) return id; } + +static PyObject* Tkapp_ClientDataDict = NULL; + static PyObject * Tkapp_CreateFileHandler (self, args) - PyObject *self; - PyObject *args; /* Is (file, mask, func) */ + PyObject *self; + PyObject *args; /* Is (file, mask, func) */ { - PyObject *file, *func, *data; - int mask, id; + PyObject *file, *func, *data; + PyObject *idkey; + int mask, id; #if (TK_MAJOR_VERSION*1000 + TK_MINOR_VERSION) >= 4001 - Tcl_File tfile; + Tcl_File tfile; #endif - if (!PyArg_Parse (args, "(OiO)", &file, &mask, &func)) - return NULL; - id = GetFileNo (file); - if (id < 0) - return NULL; - if (!PyCallable_Check(func)) - { - PyErr_SetString (PyExc_TypeError, "bad argument list"); - return NULL; - } + if (!Tkapp_ClientDataDict) { + if (!(Tkapp_ClientDataDict = PyDict_New())) + return NULL; + } + + if (!PyArg_Parse(args, "(OiO)", &file, &mask, &func)) + return NULL; + id = GetFileNo(file); + if (id < 0) + return NULL; + if (!PyCallable_Check(func)) { + PyErr_SetString (PyExc_TypeError, "bad argument list"); + return NULL; + } - /* ClientData is: (func, file) */ - data = Py_BuildValue ("(OO)", func, file); + if (!(idkey = PyInt_FromLong(id))) + return NULL; + + /* ClientData is: (func, file) */ + data = Py_BuildValue ("(OO)", func, file); + if (!data || PyDict_SetItem(Tkapp_ClientDataDict, idkey, data)) { + Py_DECREF(idkey); + Py_XDECREF(data); + return NULL; + } + Py_DECREF(idkey); #if (TK_MAJOR_VERSION*1000 + TK_MINOR_VERSION) >= 4001 #ifdef MS_WINDOWS - /* We assume this is a socket... */ - tfile = Tcl_GetFile((ClientData)id, TCL_WIN_SOCKET); + /* We assume this is a socket... */ + tfile = Tcl_GetFile((ClientData)id, TCL_WIN_SOCKET); #else - tfile = Tcl_GetFile((ClientData)id, TCL_UNIX_FD); + tfile = Tcl_GetFile((ClientData)id, TCL_UNIX_FD); #endif - /* Oughtta check for null Tcl_File object... */ - Tcl_CreateFileHandler (tfile, mask, FileHandler, (ClientData) data); + /* Ought to check for null Tcl_File object... */ + Tcl_CreateFileHandler(tfile, mask, FileHandler, (ClientData) data); #else - Tk_CreateFileHandler (id, mask, FileHandler, (ClientData) data); + Tk_CreateFileHandler(id, mask, FileHandler, (ClientData) data); #endif - /* XXX fileHandlerDict */ - - Py_INCREF (Py_None); - return Py_None; + /* XXX fileHandlerDict */ + Py_INCREF (Py_None); + return Py_None; } + static PyObject * Tkapp_DeleteFileHandler (self, args) - PyObject *self; - PyObject *args; /* Args: file */ + PyObject *self; + PyObject *args; /* Args: file */ { - PyObject *file; - int id; + PyObject *file; + PyObject *idkey; + PyObject *data; + int id; #if (TK_MAJOR_VERSION*1000 + TK_MINOR_VERSION) >= 4001 - Tcl_File tfile; + Tcl_File tfile; #endif - if (!PyArg_Parse (args, "O", &file)) - return NULL; - id = GetFileNo (file); - if (id < 0) - return NULL; + if (!PyArg_Parse(args, "O", &file)) + return NULL; + id = GetFileNo(file); + if (id < 0) + return NULL; + + if (!(idkey = PyInt_FromLong(id))) + return NULL; + + /* find and free the object created in the + * Tkapp_CreateFileHandler() call + */ + data = PyDict_GetItem(Tkapp_ClientDataDict, idkey); + Py_XDECREF(data); + PyDict_DelItem(Tkapp_ClientDataDict, idkey); + Py_DECREF(idkey); #if (TK_MAJOR_VERSION*1000 + TK_MINOR_VERSION) >= 4001 #ifdef MS_WINDOWS - /* We assume this is a socket... */ - tfile = Tcl_GetFile((ClientData)id, TCL_WIN_SOCKET); + /* We assume this is a socket... */ + tfile = Tcl_GetFile((ClientData)id, TCL_WIN_SOCKET); #else - tfile = Tcl_GetFile((ClientData)id, TCL_UNIX_FD); + tfile = Tcl_GetFile((ClientData)id, TCL_UNIX_FD); #endif - /* Oughtta check for null Tcl_File object... */ - Tcl_DeleteFileHandler(tfile); + /* Ought to check for null Tcl_File object... */ + Tcl_DeleteFileHandler(tfile); #else - Tk_DeleteFileHandler (id); + Tk_DeleteFileHandler(id); #endif - /* XXX fileHandlerDict */ - Py_INCREF (Py_None); - return Py_None; + /* XXX fileHandlerDict */ + Py_INCREF (Py_None); + return Py_None; } + /**** Tktt Object (timer token) ****/ staticforward PyTypeObject Tktt_Type; typedef struct - { - PyObject_HEAD - Tk_TimerToken token; - PyObject *func; - } +{ + PyObject_HEAD + Tk_TimerToken token; + PyObject *func; +} TkttObject; static PyObject * Tktt_DeleteTimerHandler (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - TkttObject *v = (TkttObject *) self; + TkttObject *v = (TkttObject *)self; - if (!PyArg_Parse (args, "")) - return NULL; - if (v->func != NULL) - { - Tk_DeleteTimerHandler (v->token); - PyMem_DEL (v->func); - v->func = NULL; - } - Py_INCREF (Py_None); - return Py_None; + if (!PyArg_Parse(args, "")) + return NULL; + if (v->func != NULL) { + Tk_DeleteTimerHandler(v->token); + PyMem_DEL(v->func); + v->func = NULL; + } + Py_INCREF(Py_None); + return Py_None; } static PyMethodDef Tktt_methods[] = { - {"deletetimerhandler", Tktt_DeleteTimerHandler}, - {NULL, NULL} + {"deletetimerhandler", Tktt_DeleteTimerHandler}, + {NULL, NULL} }; static TkttObject * Tktt_New (token, func) - Tk_TimerToken token; - PyObject *func; + Tk_TimerToken token; + PyObject *func; { - TkttObject *v; + TkttObject *v; - v = PyObject_NEW (TkttObject, &Tktt_Type); - if (v == NULL) - return NULL; - - v->token = token; - v->func = func; - Py_INCREF (v->func); - return v; + v = PyObject_NEW(TkttObject, &Tktt_Type); + if (v == NULL) + return NULL; + + v->token = token; + v->func = func; + Py_INCREF(v->func); + return v; } static void Tktt_Dealloc (self) - PyObject *self; + PyObject *self; { - PyMem_DEL (self); + PyMem_DEL (self); } static int Tktt_Print (self, fp, flags) - PyObject *self; - FILE *fp; - int flags; + PyObject *self; + FILE *fp; + int flags; { - TkttObject *v = (TkttObject *) self; + TkttObject *v = (TkttObject *)self; - fprintf(fp, "<tktimertoken at 0x%lx%s>", (long)v, - v->func == NULL ? ", handler deleted" : ""); - return 0; + fprintf(fp, "<tktimertoken at 0x%lx%s>", (long)v, + v->func == NULL ? ", handler deleted" : ""); + return 0; } static PyObject * Tktt_GetAttr (self, name) - PyObject *self; - char *name; + PyObject *self; + char *name; { - return Py_FindMethod (Tktt_methods, self, name); + return Py_FindMethod(Tktt_methods, self, name); } static PyTypeObject Tktt_Type = { - PyObject_HEAD_INIT (NULL) - 0, /*ob_size */ - "tktimertoken", /*tp_name */ - sizeof (TkttObject), /*tp_basicsize */ - 0, /*tp_itemsize */ - Tktt_Dealloc, /*tp_dealloc */ - Tktt_Print, /*tp_print */ - Tktt_GetAttr, /*tp_getattr */ - 0, /*tp_setattr */ - 0, /*tp_compare */ - 0, /*tp_repr */ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash */ + PyObject_HEAD_INIT (NULL) + 0, /*ob_size */ + "tktimertoken", /*tp_name */ + sizeof (TkttObject), /*tp_basicsize */ + 0, /*tp_itemsize */ + Tktt_Dealloc, /*tp_dealloc */ + Tktt_Print, /*tp_print */ + Tktt_GetAttr, /*tp_getattr */ + 0, /*tp_setattr */ + 0, /*tp_compare */ + 0, /*tp_repr */ + 0, /*tp_as_number */ + 0, /*tp_as_sequence */ + 0, /*tp_as_mapping */ + 0, /*tp_hash */ }; + + /** Timer Handler **/ static void TimerHandler (clientData) - ClientData clientData; + ClientData clientData; { - PyObject *func = (PyObject *) clientData; - PyObject *arg, *res; + PyObject *func = (PyObject *)clientData; + PyObject *res = PyEval_CallObject(func, NULL); - arg = PyTuple_New (0); - res = PyEval_CallObject (func, arg); - Py_DECREF (arg); - if (res == NULL) - { - errorInCmd = 1; - PyErr_Fetch (&excInCmd, &valInCmd, &trbInCmd); - } - else - Py_DECREF (res); + if (res == NULL) { + errorInCmd = 1; + PyErr_Fetch(&excInCmd, &valInCmd, &trbInCmd); + } + else + Py_DECREF(res); } static PyObject * Tkapp_CreateTimerHandler (self, args) - PyObject *self; - PyObject *args; /* Is (milliseconds, func) */ -{ - int milliseconds; - PyObject *func; - Tk_TimerToken token; + PyObject *self; + PyObject *args; /* Is (milliseconds, func) */ +{ + int milliseconds; + PyObject *func; + Tk_TimerToken token; + + if (!PyArg_Parse(args, "(iO)", &milliseconds, &func)) + return NULL; + if (!PyCallable_Check(func)) { + PyErr_SetString (PyExc_TypeError, "bad argument list"); + return NULL; + } + token = Tk_CreateTimerHandler(milliseconds, TimerHandler, + (ClientData)func); - if (!PyArg_Parse (args, "(iO)", &milliseconds, &func)) - return NULL; - if (!PyCallable_Check(func)) - { - PyErr_SetString (PyExc_TypeError, "bad argument list"); - return NULL; - } - token = Tk_CreateTimerHandler(milliseconds, TimerHandler, (ClientData) func); - return (PyObject *) Tktt_New (token, func); + return (PyObject *) Tktt_New(token, func); } + + /** Event Loop **/ static PyObject * Tkapp_MainLoop (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - int threshold = 0; + int threshold = 0; - if (!PyArg_ParseTuple (args, "|i", &threshold)) - return NULL; + if (!PyArg_ParseTuple(args, "|i", &threshold)) + return NULL; - quitMainLoop = 0; - while (Tk_GetNumMainWindows() > threshold && !quitMainLoop && !errorInCmd) - { - /* XXX Ought to check for other signals! */ - if (PyOS_InterruptOccurred ()) + quitMainLoop = 0; + while (Tk_GetNumMainWindows() > threshold && + !quitMainLoop && + !errorInCmd) { - PyErr_SetNone (PyExc_KeyboardInterrupt); - return NULL; + /* XXX Ought to check for other signals! */ + if (PyOS_InterruptOccurred()) { + PyErr_SetNone(PyExc_KeyboardInterrupt); + return NULL; + } + Tk_DoOneEvent(0); } - Tk_DoOneEvent (0); - } - quitMainLoop = 0; + quitMainLoop = 0; - if (errorInCmd) - { - errorInCmd = 0; - PyErr_Restore (excInCmd, valInCmd, trbInCmd); - excInCmd = valInCmd = trbInCmd = NULL; - return NULL; - } - Py_INCREF (Py_None); - return Py_None; + if (errorInCmd) { + errorInCmd = 0; + PyErr_Restore(excInCmd, valInCmd, trbInCmd); + excInCmd = valInCmd = trbInCmd = NULL; + return NULL; + } + Py_INCREF(Py_None); + return Py_None; } static PyObject * Tkapp_DoOneEvent (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - int flags = TK_ALL_EVENTS; - int rv; + int flags = TK_ALL_EVENTS; + int rv; + + if (!PyArg_ParseTuple(args, "|i", &flags)) + return NULL; - if (!PyArg_ParseTuple (args, "|i", &flags)) - return NULL; - rv = Tk_DoOneEvent(flags); - return Py_BuildValue ("i", rv); + rv = Tk_DoOneEvent(flags); + return Py_BuildValue("i", rv); } static PyObject * Tkapp_Quit (self, args) - PyObject *self; - PyObject *args; + PyObject *self; + PyObject *args; { - if (!PyArg_Parse (args, "")) - return NULL; - quitMainLoop = 1; - Py_INCREF (Py_None); - return Py_None; + if (!PyArg_Parse(args, "")) + return NULL; + + quitMainLoop = 1; + Py_INCREF(Py_None); + return Py_None; } + + /**** Tkapp Method List ****/ static PyMethodDef Tkapp_methods[] = { - {"call", Tkapp_Call}, - {"globalcall", Tkapp_GlobalCall}, - {"eval", Tkapp_Eval}, - {"globaleval", Tkapp_GlobalEval}, - {"evalfile", Tkapp_EvalFile}, - {"record", Tkapp_Record}, - {"adderrorinfo", Tkapp_AddErrorInfo}, - {"setvar", Tkapp_SetVar}, - {"globalsetvar", Tkapp_GlobalSetVar}, - {"getvar", Tkapp_GetVar}, - {"globalgetvar", Tkapp_GlobalGetVar}, - {"unsetvar", Tkapp_UnsetVar}, - {"globalunsetvar", Tkapp_GlobalUnsetVar}, - {"getint", Tkapp_GetInt}, - {"getdouble", Tkapp_GetDouble}, - {"getboolean", Tkapp_GetBoolean}, - {"exprstring", Tkapp_ExprString}, - {"exprlong", Tkapp_ExprLong}, - {"exprdouble", Tkapp_ExprDouble}, - {"exprboolean", Tkapp_ExprBoolean}, - {"splitlist", Tkapp_SplitList}, - {"split", Tkapp_Split}, - {"merge", Tkapp_Merge}, - {"createcommand", Tkapp_CreateCommand}, - {"deletecommand", Tkapp_DeleteCommand}, - {"createfilehandler", Tkapp_CreateFileHandler}, - {"deletefilehandler", Tkapp_DeleteFileHandler}, - {"createtimerhandler", Tkapp_CreateTimerHandler}, - {"mainloop", Tkapp_MainLoop, 1}, - {"dooneevent", Tkapp_DoOneEvent, 1}, - {"quit", Tkapp_Quit}, - {NULL, NULL} + {"call", Tkapp_Call}, + {"globalcall", Tkapp_GlobalCall}, + {"eval", Tkapp_Eval}, + {"globaleval", Tkapp_GlobalEval}, + {"evalfile", Tkapp_EvalFile}, + {"record", Tkapp_Record}, + {"adderrorinfo", Tkapp_AddErrorInfo}, + {"setvar", Tkapp_SetVar}, + {"globalsetvar", Tkapp_GlobalSetVar}, + {"getvar", Tkapp_GetVar}, + {"globalgetvar", Tkapp_GlobalGetVar}, + {"unsetvar", Tkapp_UnsetVar}, + {"globalunsetvar", Tkapp_GlobalUnsetVar}, + {"getint", Tkapp_GetInt}, + {"getdouble", Tkapp_GetDouble}, + {"getboolean", Tkapp_GetBoolean}, + {"exprstring", Tkapp_ExprString}, + {"exprlong", Tkapp_ExprLong}, + {"exprdouble", Tkapp_ExprDouble}, + {"exprboolean", Tkapp_ExprBoolean}, + {"splitlist", Tkapp_SplitList}, + {"split", Tkapp_Split}, + {"merge", Tkapp_Merge}, + {"createcommand", Tkapp_CreateCommand}, + {"deletecommand", Tkapp_DeleteCommand}, + {"createfilehandler", Tkapp_CreateFileHandler}, + {"deletefilehandler", Tkapp_DeleteFileHandler}, + {"createtimerhandler", Tkapp_CreateTimerHandler}, + {"mainloop", Tkapp_MainLoop, 1}, + {"dooneevent", Tkapp_DoOneEvent, 1}, + {"quit", Tkapp_Quit}, + {NULL, NULL} }; + + /**** Tkapp Type Methods ****/ static void Tkapp_Dealloc (self) - PyObject *self; + PyObject *self; { #ifdef NEED_TKCREATEMAINWINDOW - Tk_DestroyWindow (Tkapp_Tkwin (self)); + Tk_DestroyWindow (Tkapp_Tkwin (self)); #endif - Tcl_DeleteInterp (Tkapp_Interp (self)); - PyMem_DEL (self); + Tcl_DeleteInterp (Tkapp_Interp (self)); + PyMem_DEL (self); } static PyObject * Tkapp_GetAttr (self, name) - PyObject *self; - char *name; + PyObject *self; + char *name; { - return Py_FindMethod (Tkapp_methods, self, name); + return Py_FindMethod (Tkapp_methods, self, name); } static PyTypeObject Tkapp_Type = { - PyObject_HEAD_INIT (NULL) - 0, /*ob_size */ - "tkapp", /*tp_name */ - sizeof (TkappObject), /*tp_basicsize */ - 0, /*tp_itemsize */ - Tkapp_Dealloc, /*tp_dealloc */ - 0, /*tp_print */ - Tkapp_GetAttr, /*tp_getattr */ - 0, /*tp_setattr */ - 0, /*tp_compare */ - 0, /*tp_repr */ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash */ + PyObject_HEAD_INIT (NULL) + 0, /*ob_size */ + "tkapp", /*tp_name */ + sizeof (TkappObject), /*tp_basicsize */ + 0, /*tp_itemsize */ + Tkapp_Dealloc, /*tp_dealloc */ + 0, /*tp_print */ + Tkapp_GetAttr, /*tp_getattr */ + 0, /*tp_setattr */ + 0, /*tp_compare */ + 0, /*tp_repr */ + 0, /*tp_as_number */ + 0, /*tp_as_sequence */ + 0, /*tp_as_mapping */ + 0, /*tp_hash */ }; + + /**** Tkinter Module ****/ static PyObject * Tkinter_Create (self, args) - PyObject *self; - PyObject *args; -{ - char *screenName = NULL; - char *baseName = NULL; - char *className = NULL; - int interactive = 0; - - baseName = strrchr (Py_GetProgramName (), '/'); - if (baseName != NULL) - baseName++; - else - baseName = Py_GetProgramName (); - className = "Tk"; + PyObject *self; + PyObject *args; +{ + char *screenName = NULL; + char *baseName = NULL; + char *className = NULL; + int interactive = 0; + + baseName = strrchr(Py_GetProgramName (), '/'); + if (baseName != NULL) + baseName++; + else + baseName = Py_GetProgramName(); + className = "Tk"; - if (!PyArg_ParseTuple (args, "|zssi", - &screenName, &baseName, &className, &interactive)) - return NULL; + if (!PyArg_ParseTuple(args, "|zssi", + &screenName, &baseName, &className, + &interactive)) + return NULL; - return (PyObject *) Tkapp_New (screenName, baseName, className, - interactive); + return (PyObject *) Tkapp_New(screenName, baseName, className, + interactive); } static PyMethodDef moduleMethods[] = { - {"create", Tkinter_Create, 1}, - {"createfilehandler", Tkapp_CreateFileHandler, 0}, - {"deletefilehandler", Tkapp_DeleteFileHandler, 0}, - {"createtimerhandler", Tkapp_CreateTimerHandler, 0}, - {"mainloop", Tkapp_MainLoop, 1}, - {"dooneevent", Tkapp_DoOneEvent, 1}, - {"quit", Tkapp_Quit}, - {NULL, NULL} + {"create", Tkinter_Create, 1}, + {"createfilehandler", Tkapp_CreateFileHandler, 0}, + {"deletefilehandler", Tkapp_DeleteFileHandler, 0}, + {"createtimerhandler", Tkapp_CreateTimerHandler, 0}, + {"mainloop", Tkapp_MainLoop, 1}, + {"dooneevent", Tkapp_DoOneEvent, 1}, + {"quit", Tkapp_Quit}, + {NULL, NULL} }; #undef WITH_READLINE /* XXX */ @@ -1322,95 +1445,114 @@ static PyMethodDef moduleMethods[] = static int EventHook () { - if (errorInCmd) /* XXX Reset tty */ - { - errorInCmd = 0; - PyErr_Restore (excInCmd, valInCmd, trbInCmd); - excInCmd = valInCmd = trbInCmd = NULL; - PyErr_Print (); - } - if (Tk_GetNumMainWindows() > 0) - Tk_DoOneEvent (TK_DONT_WAIT); - return 0; + /* XXX Reset tty */ + if (errorInCmd) { + errorInCmd = 0; + PyErr_Restore(excInCmd, valInCmd, trbInCmd); + excInCmd = valInCmd = trbInCmd = NULL; + PyErr_Print(); + } + if (Tk_GetNumMainWindows() > 0) + Tk_DoOneEvent(TK_DONT_WAIT); + return 0; } #endif /* WITH_READLINE */ static void Tkinter_Cleanup () { -/* This segfault with Tk 4.0 beta and seems unnecessary there as well */ + /* This segfault with Tk 4.0 beta and seems unnecessary there as + * well */ + #if TK_MAJOR_VERSION < 4 - /* XXX rl_deprep_terminal is static, damned! */ - while (tkMainWindowList != 0) - Tk_DestroyWindow (tkMainWindowList->win); + /* XXX rl_deprep_terminal is static, damned! */ + while (tkMainWindowList != 0) + Tk_DestroyWindow(tkMainWindowList->win); #endif } + +/* all errors will be checked in one fell swoop in init_tkinter() */ +static void +ins_long(d, name, val) + PyObject *d; + char *name; + long val; +{ + PyObject *v = PyInt_FromLong(val); + if (v) { + PyDict_SetItemString(d, name, v); + Py_DECREF(v); + } +} +static void +ins_string(d, name, val) + PyObject *d; + char *name; + char *val; +{ + PyObject *v = PyString_FromString(val); + if (v) { + PyDict_SetItemString(d, name, v); + Py_DECREF(v); + } +} + + void init_tkinter () { - static inited = 0; + static inited = 0; #ifdef WITH_READLINE - extern int (*rl_event_hook) (); + extern int (*rl_event_hook) (); #endif /* WITH_READLINE */ - PyObject *m, *d, *v; - - Tkapp_Type.ob_type = &PyType_Type; - Tktt_Type.ob_type = &PyType_Type; - - m = Py_InitModule ("_tkinter", moduleMethods); - - d = PyModule_GetDict (m); - Tkinter_TclError = Py_BuildValue ("s", "TclError"); - PyDict_SetItemString (d, "TclError", Tkinter_TclError); - - v = Py_BuildValue ("i", TK_READABLE); - PyDict_SetItemString (d, "READABLE", v); - v = Py_BuildValue ("i", TK_WRITABLE); - PyDict_SetItemString (d, "WRITABLE", v); - v = Py_BuildValue ("i", TK_EXCEPTION); - PyDict_SetItemString (d, "EXCEPTION", v); - v = Py_BuildValue ("i", TK_X_EVENTS); - PyDict_SetItemString (d, "X_EVENTS", v); - v = Py_BuildValue ("i", TK_FILE_EVENTS); - PyDict_SetItemString (d, "FILE_EVENTS", v); - v = Py_BuildValue ("i", TK_TIMER_EVENTS); - PyDict_SetItemString (d, "TIMER_EVENTS", v); - v = Py_BuildValue ("i", TK_IDLE_EVENTS); - PyDict_SetItemString (d, "IDLE_EVENTS", v); - v = Py_BuildValue ("i", TK_ALL_EVENTS); - PyDict_SetItemString (d, "ALL_EVENTS", v); - v = Py_BuildValue ("i", TK_DONT_WAIT); - PyDict_SetItemString (d, "DONT_WAIT", v); - v = Py_BuildValue ("s", TK_VERSION); - PyDict_SetItemString (d, "TK_VERSION", v); - v = Py_BuildValue ("s", TCL_VERSION); - PyDict_SetItemString (d, "TCL_VERSION", v); + PyObject *m, *d; + + Tkapp_Type.ob_type = &PyType_Type; + Tktt_Type.ob_type = &PyType_Type; + + m = Py_InitModule("_tkinter", moduleMethods); + + d = PyModule_GetDict(m); + Tkinter_TclError = Py_BuildValue("s", "TclError"); + PyDict_SetItemString(d, "TclError", Tkinter_TclError); + + ins_long(d, "READABLE", TK_READABLE); + ins_long(d, "WRITABLE", TK_WRITABLE); + ins_long(d, "EXCEPTION", TK_EXCEPTION); + ins_long(d, "X_EVENTS", TK_X_EVENTS); + ins_long(d, "FILE_EVENTS", TK_FILE_EVENTS); + ins_long(d, "TIMER_EVENTS", TK_TIMER_EVENTS); + ins_long(d, "IDLE_EVENTS", TK_IDLE_EVENTS); + ins_long(d, "ALL_EVENTS", TK_ALL_EVENTS); + ins_long(d, "DONT_WAIT", TK_DONT_WAIT); + ins_string(d, "TK_VERSION", TK_VERSION); + ins_string(d, "TCL_VERSION", TCL_VERSION); #ifdef WITH_READLINE - rl_event_hook = EventHook; + rl_event_hook = EventHook; #endif /* WITH_READLINE */ - if (!inited) - { - inited = 1; - if (Py_AtExit (Tkinter_Cleanup) != 0) - fprintf(stderr, - "Tkinter: warning: cleanup procedure not registered\n"); - } + if (!inited) { + inited = 1; + if (Py_AtExit(Tkinter_Cleanup) != 0) + fprintf(stderr, + "Tkinter: warning: cleanup procedure not registered\n"); + } - if (PyErr_Occurred ()) - Py_FatalError ("can't initialize module _tkinter"); + if (PyErr_Occurred()) + Py_FatalError ("can't initialize module _tkinter"); #ifdef macintosh - TclMacSetEventProc(PyMacConvertEvent); + TclMacSetEventProc(PyMacConvertEvent); #if GENERATINGCFM - mac_addlibresources(); + mac_addlibresources(); #endif /* GENERATINGCFM */ #endif /* macintosh */ } + #ifdef macintosh /* @@ -1420,16 +1562,16 @@ init_tkinter () void panic(char * format, ...) { - va_list varg; + va_list varg; - va_start(varg, format); + va_start(varg, format); - vfprintf(stderr, format, varg); - (void) fflush(stderr); + vfprintf(stderr, format, varg); + (void) fflush(stderr); - va_end(varg); + va_end(varg); - Py_FatalError("Tcl/Tk panic"); + Py_FatalError("Tcl/Tk panic"); } /* @@ -1438,11 +1580,11 @@ panic(char * format, ...) static int PyMacConvertEvent(eventPtr) - EventRecord *eventPtr; + EventRecord *eventPtr; { - if (SIOUXHandleOneEvent(eventPtr)) - return 0; /* Nothing happened to the Tcl event queue */ - return TkMacConvertEvent(eventPtr); + if (SIOUXHandleOneEvent(eventPtr)) + return 0; /* Nothing happened to the Tcl event queue */ + return TkMacConvertEvent(eventPtr); } #if GENERATINGCFM |