Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 1 | # This script generates the Dialogs interface for Python. |
| 2 | # It uses the "bgen" package to generate C code. |
| 3 | # It execs the file dlggen.py which contain the function definitions |
| 4 | # (dlggen.py was generated by dlgscan.py, scanning the <Dialogs.h> header file). |
| 5 | |
| 6 | from macsupport import * |
| 7 | |
| 8 | # Create the type objects |
| 9 | |
| 10 | DialogPtr = OpaqueByValueType("DialogPtr", "DlgObj") |
Jack Jansen | ae8a68f | 1995-06-06 12:55:40 +0000 | [diff] [blame] | 11 | DialogRef = DialogPtr |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 12 | |
Jack Jansen | 425e9eb | 1995-12-12 15:02:03 +0000 | [diff] [blame] | 13 | # An OptHandle is either a handle or None (in case NULL is passed in). |
| 14 | # This is needed for GetDialogItem(). |
| 15 | OptHandle = OpaqueByValueType("Handle", "OptResObj") |
Jack Jansen | 91a6398 | 1995-08-17 14:30:52 +0000 | [diff] [blame] | 16 | |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 17 | ModalFilterProcPtr = InputOnlyType("PyObject*", "O") |
Guido van Rossum | 9784295 | 1995-02-19 15:59:49 +0000 | [diff] [blame] | 18 | ModalFilterProcPtr.passInput = lambda name: "NewModalFilterProc(Dlg_PassFilterProc(%s))" % name |
Jack Jansen | ae8a68f | 1995-06-06 12:55:40 +0000 | [diff] [blame] | 19 | ModalFilterUPP = ModalFilterProcPtr |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 20 | |
Jack Jansen | 2b72417 | 1996-04-10 14:48:19 +0000 | [diff] [blame] | 21 | RgnHandle = OpaqueByValueType("RgnHandle", "ResObj") |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 22 | |
| 23 | DITLMethod = Type("DITLMethod", "h") |
Jack Jansen | 21f9687 | 1998-02-20 16:02:09 +0000 | [diff] [blame] | 24 | DialogItemIndex = Type("DialogItemIndex", "h") |
| 25 | DialogItemType = Type("DialogItemType", "h") |
| 26 | DialogItemIndexZeroBased = Type("DialogItemIndexZeroBased", "h") |
| 27 | AlertType = Type("AlertType", "h") |
| 28 | StringPtr = Str255 |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 29 | |
| 30 | includestuff = includestuff + """ |
| 31 | #include <Dialogs.h> |
| 32 | |
Guido van Rossum | 9784295 | 1995-02-19 15:59:49 +0000 | [diff] [blame] | 33 | #ifndef HAVE_UNIVERSAL_HEADERS |
| 34 | #define NewModalFilterProc(x) (x) |
| 35 | #endif |
| 36 | |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 37 | #define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */ |
| 38 | |
| 39 | /* XXX Shouldn't this be a stack? */ |
| 40 | static PyObject *Dlg_FilterProc_callback = NULL; |
| 41 | |
| 42 | static PyObject *DlgObj_New(DialogPtr); /* Forward */ |
| 43 | |
| 44 | static pascal Boolean Dlg_UnivFilterProc(DialogPtr dialog, |
| 45 | EventRecord *event, |
| 46 | short *itemHit) |
| 47 | { |
| 48 | Boolean rv; |
| 49 | PyObject *args, *res; |
| 50 | PyObject *callback = Dlg_FilterProc_callback; |
| 51 | if (callback == NULL) |
| 52 | return 0; /* Default behavior */ |
| 53 | Dlg_FilterProc_callback = NULL; /* We'll restore it when call successful */ |
Guido van Rossum | 0437e89 | 1995-02-21 20:56:21 +0000 | [diff] [blame] | 54 | args = Py_BuildValue("O&O&", WinObj_WhichWindow, dialog, PyMac_BuildEventRecord, event); |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 55 | if (args == NULL) |
| 56 | res = NULL; |
| 57 | else { |
| 58 | res = PyEval_CallObject(callback, args); |
| 59 | Py_DECREF(args); |
| 60 | } |
| 61 | if (res == NULL) { |
Jack Jansen | deff89c | 1998-10-12 20:53:15 +0000 | [diff] [blame^] | 62 | PySys_WriteStderr("Exception in Dialog Filter\\n"); |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 63 | PyErr_Print(); |
| 64 | *itemHit = -1; /* Fake return item */ |
| 65 | return 1; /* We handled it */ |
| 66 | } |
| 67 | else { |
| 68 | Dlg_FilterProc_callback = callback; |
| 69 | if (PyInt_Check(res)) { |
| 70 | *itemHit = PyInt_AsLong(res); |
| 71 | rv = 1; |
| 72 | } |
| 73 | else |
| 74 | rv = PyObject_IsTrue(res); |
| 75 | } |
| 76 | Py_DECREF(res); |
| 77 | return rv; |
| 78 | } |
| 79 | |
| 80 | static ModalFilterProcPtr |
| 81 | Dlg_PassFilterProc(PyObject *callback) |
| 82 | { |
| 83 | PyObject *tmp = Dlg_FilterProc_callback; |
| 84 | Dlg_FilterProc_callback = NULL; |
| 85 | if (callback == Py_None) { |
| 86 | Py_XDECREF(tmp); |
| 87 | return NULL; |
| 88 | } |
| 89 | Py_INCREF(callback); |
| 90 | Dlg_FilterProc_callback = callback; |
| 91 | Py_XDECREF(tmp); |
| 92 | return &Dlg_UnivFilterProc; |
| 93 | } |
| 94 | |
Jack Jansen | df901df | 1998-07-10 15:47:48 +0000 | [diff] [blame] | 95 | static PyObject *Dlg_UserItemProc_callback = NULL; |
| 96 | |
| 97 | static pascal void Dlg_UnivUserItemProc(DialogPtr dialog, |
| 98 | short item) |
| 99 | { |
| 100 | PyObject *args, *res; |
| 101 | |
| 102 | if (Dlg_UserItemProc_callback == NULL) |
| 103 | return; /* Default behavior */ |
| 104 | Dlg_FilterProc_callback = NULL; /* We'll restore it when call successful */ |
| 105 | args = Py_BuildValue("O&h", WinObj_WhichWindow, dialog, item); |
| 106 | if (args == NULL) |
| 107 | res = NULL; |
| 108 | else { |
| 109 | res = PyEval_CallObject(Dlg_UserItemProc_callback, args); |
| 110 | Py_DECREF(args); |
| 111 | } |
| 112 | if (res == NULL) { |
Jack Jansen | deff89c | 1998-10-12 20:53:15 +0000 | [diff] [blame^] | 113 | PySys_WriteStderr("Exception in Dialog UserItem proc\\n"); |
Jack Jansen | df901df | 1998-07-10 15:47:48 +0000 | [diff] [blame] | 114 | PyErr_Print(); |
| 115 | } |
| 116 | Py_XDECREF(res); |
| 117 | return; |
| 118 | } |
| 119 | |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 120 | extern PyMethodChain WinObj_chain; |
| 121 | """ |
| 122 | |
| 123 | |
| 124 | # Define a class which specializes our object definition |
| 125 | class MyObjectDefinition(GlobalObjectDefinition): |
| 126 | def __init__(self, name, prefix = None, itselftype = None): |
| 127 | GlobalObjectDefinition.__init__(self, name, prefix, itselftype) |
| 128 | self.basechain = "&WinObj_chain" |
| 129 | def outputInitStructMembers(self): |
| 130 | GlobalObjectDefinition.outputInitStructMembers(self) |
| 131 | Output("SetWRefCon(itself, (long)it);") |
| 132 | def outputCheckNewArg(self): |
| 133 | Output("if (itself == NULL) return Py_None;") |
| 134 | def outputCheckConvertArg(self): |
| 135 | Output("if (v == Py_None) { *p_itself = NULL; return 1; }") |
| 136 | Output("if (PyInt_Check(v)) { *p_itself = (DialogPtr)PyInt_AsLong(v);") |
| 137 | Output(" return 1; }") |
| 138 | def outputFreeIt(self, itselfname): |
| 139 | Output("DisposeDialog(%s);", itselfname) |
| 140 | |
| 141 | # Create the generator groups and link them |
| 142 | module = MacModule('Dlg', 'Dlg', includestuff, finalstuff, initstuff) |
| 143 | object = MyObjectDefinition('Dialog', 'DlgObj', 'DialogPtr') |
| 144 | module.addobject(object) |
| 145 | |
| 146 | # Create the generator classes used to populate the lists |
| 147 | Function = OSErrFunctionGenerator |
| 148 | Method = OSErrMethodGenerator |
| 149 | |
| 150 | # Create and populate the lists |
| 151 | functions = [] |
| 152 | methods = [] |
| 153 | execfile("dlggen.py") |
| 154 | |
| 155 | # add the populated lists to the generator groups |
| 156 | for f in functions: module.add(f) |
| 157 | for f in methods: object.add(f) |
| 158 | |
Jack Jansen | d96cb50 | 1996-09-23 15:48:46 +0000 | [diff] [blame] | 159 | # Some methods that are currently macro's in C, but will be real routines |
| 160 | # in MacOS 8. |
| 161 | |
| 162 | f = Method(ExistingDialogPtr, 'GetDialogWindow', (DialogRef, 'dialog', InMode)) |
| 163 | object.add(f) |
| 164 | f = Method(SInt16, 'GetDialogDefaultItem', (DialogRef, 'dialog', InMode)) |
| 165 | object.add(f) |
| 166 | f = Method(SInt16, 'GetDialogCancelItem', (DialogRef, 'dialog', InMode)) |
| 167 | object.add(f) |
| 168 | f = Method(SInt16, 'GetDialogKeyboardFocusItem', (DialogRef, 'dialog', InMode)) |
| 169 | object.add(f) |
| 170 | f = Method(void, 'SetGrafPortOfDialog', (DialogRef, 'dialog', InMode)) |
| 171 | object.add(f) |
| 172 | |
Jack Jansen | df901df | 1998-07-10 15:47:48 +0000 | [diff] [blame] | 173 | setuseritembody = """ |
| 174 | PyObject *new = NULL; |
| 175 | |
| 176 | |
| 177 | if (!PyArg_ParseTuple(_args, "|O", &new)) |
| 178 | return NULL; |
| 179 | |
| 180 | if (Dlg_UserItemProc_callback && new && new != Py_None) { |
| 181 | PyErr_SetString(Dlg_Error, "Another UserItemProc is already installed"); |
| 182 | return NULL; |
| 183 | } |
| 184 | |
| 185 | if (new == Py_None) { |
| 186 | new = NULL; |
| 187 | _res = Py_None; |
| 188 | Py_INCREF(Py_None); |
| 189 | } else { |
| 190 | Py_INCREF(new); |
| 191 | _res = Py_BuildValue("O&", ResObj_New, (Handle)NewUserItemProc(Dlg_UnivUserItemProc)); |
| 192 | } |
| 193 | |
| 194 | Dlg_UserItemProc_callback = new; |
| 195 | return _res; |
| 196 | """ |
| 197 | f = ManualGenerator("SetUserItemHandler", setuseritembody) |
| 198 | module.add(f) |
| 199 | |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 200 | # generate output |
| 201 | SetOutputFileName('Dlgmodule.c') |
| 202 | module.generate() |