1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
# This script generates a Python interface for an Apple Macintosh Manager.
# It uses the "bgen" package to generate C code.
# The function specifications are generated by scanning the mamager's header file,
# using the "scantools" package (customized for this particular manager).
import string
# Declarations that change for each manager
MACHEADERFILE = 'Windows.h' # The Apple header file
MODNAME = '_Win' # The name of the module
OBJECTNAME = 'Window' # The basic name of the objects used here
# The following is *usually* unchanged but may still require tuning
MODPREFIX = 'Win' # The prefix for module-wide routines
OBJECTTYPE = OBJECTNAME + 'Ptr' # The C type used to represent them
OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
EDITFILE = string.lower(MODPREFIX) + 'edit.py' # The manual definitions
OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
from macsupport import *
# Create the type objects
WindowPtr = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
WindowRef = WindowPtr
WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
WindowPeek.passInput = lambda name: "(WindowPeek)(%s)" % name
CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
GrafPtr = OpaqueByValueType("GrafPtr", "GrafObj")
DragReference = OpaqueByValueType("DragReference", "DragObj")
RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
PicHandle = OpaqueByValueType("PicHandle", "ResObj")
WCTabHandle = OpaqueByValueType("WCTabHandle", "ResObj")
AuxWinHandle = OpaqueByValueType("AuxWinHandle", "ResObj")
PixPatHandle = OpaqueByValueType("PixPatHandle", "ResObj")
AliasHandle = OpaqueByValueType("AliasHandle", "ResObj")
IconRef = OpaqueByValueType("IconRef", "ResObj")
WindowRegionCode = Type("WindowRegionCode", "H")
WindowClass = Type("WindowClass", "l")
WindowAttributes = Type("WindowAttributes", "l")
WindowPositionMethod = Type("WindowPositionMethod", "l")
WindowTransitionEffect = Type("WindowTransitionEffect", "l")
WindowTransitionAction = Type("WindowTransitionAction", "l")
RGBColor = OpaqueType("RGBColor", "QdRGB")
RGBColor_ptr = RGBColor
ScrollWindowOptions = Type("ScrollWindowOptions", "l")
WindowPartCode = Type("WindowPartCode", "h")
WindowDefPartCode = Type("WindowDefPartCode", "h")
WindowModality = Type("WindowModality", "l")
GDHandle = OpaqueByValueType("GDHandle", "ResObj")
WindowConstrainOptions = Type("WindowConstrainOptions", "l")
PropertyCreator = OSTypeType("PropertyCreator")
PropertyTag = OSTypeType("PropertyTag")
includestuff = includestuff + """
#include <Carbon/Carbon.h>
#ifdef USE_TOOLBOX_OBJECT_GLUE
extern PyObject *_WinObj_New(WindowRef);
extern PyObject *_WinObj_WhichWindow(WindowRef);
extern int _WinObj_Convert(PyObject *, WindowRef *);
#define WinObj_New _WinObj_New
#define WinObj_WhichWindow _WinObj_WhichWindow
#define WinObj_Convert _WinObj_Convert
#endif
/* Classic calls that we emulate in carbon mode */
#define GetWindowUpdateRgn(win, rgn) GetWindowRegion((win), kWindowUpdateRgn, (rgn))
#define GetWindowStructureRgn(win, rgn) GetWindowRegion((win), kWindowStructureRgn, (rgn))
#define GetWindowContentRgn(win, rgn) GetWindowRegion((win), kWindowContentRgn, (rgn))
/* Function to dispose a window, with a "normal" calling sequence */
static void
PyMac_AutoDisposeWindow(WindowPtr w)
{
DisposeWindow(w);
}
"""
finalstuff = finalstuff + """
/* Return the object corresponding to the window, or NULL */
PyObject *
WinObj_WhichWindow(WindowPtr w)
{
PyObject *it;
if (w == NULL) {
it = Py_None;
Py_INCREF(it);
} else {
it = (PyObject *) GetWRefCon(w);
if (it == NULL || !IsPointerValid((Ptr)it) || ((WindowObject *)it)->ob_itself != w || !WinObj_Check(it)) {
it = WinObj_New(w);
((WindowObject *)it)->ob_freeit = NULL;
} else {
Py_INCREF(it);
}
}
return it;
}
"""
initstuff = initstuff + """
PyMac_INIT_TOOLBOX_OBJECT_NEW(WindowPtr, WinObj_New);
PyMac_INIT_TOOLBOX_OBJECT_NEW(WindowPtr, WinObj_WhichWindow);
PyMac_INIT_TOOLBOX_OBJECT_CONVERT(WindowPtr, WinObj_Convert);
"""
class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
def outputCheckNewArg(self):
Output("if (itself == NULL) return PyMac_Error(resNotFound);")
Output("/* XXXX Or should we use WhichWindow code here? */")
def outputStructMembers(self):
GlobalObjectDefinition.outputStructMembers(self)
Output("void (*ob_freeit)(%s ptr);", self.itselftype)
def outputInitStructMembers(self):
GlobalObjectDefinition.outputInitStructMembers(self)
Output("it->ob_freeit = NULL;")
Output("if (GetWRefCon(itself) == 0)")
OutLbrace()
Output("SetWRefCon(itself, (long)it);")
Output("it->ob_freeit = PyMac_AutoDisposeWindow;")
OutRbrace()
def outputCheckConvertArg(self):
Out("""
if (v == Py_None) { *p_itself = NULL; return 1; }
if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; }
""")
OutLbrace()
Output("DialogRef dlg;")
OutLbrace("if (DlgObj_Convert(v, &dlg) && dlg)")
Output("*p_itself = GetDialogWindow(dlg);")
Output("return 1;")
OutRbrace()
Output("PyErr_Clear();")
OutRbrace()
def outputCleanupStructMembers(self):
Output("if (self->ob_freeit && self->ob_itself)")
OutLbrace()
Output("SetWRefCon(self->ob_itself, 0);")
Output("self->ob_freeit(self->ob_itself);")
OutRbrace()
Output("self->ob_itself = NULL;")
Output("self->ob_freeit = NULL;")
def outputCompare(self):
Output()
Output("static int %s_compare(%s *self, %s *other)", self.prefix, self.objecttype, self.objecttype)
OutLbrace()
Output("if ( self->ob_itself > other->ob_itself ) return 1;")
Output("if ( self->ob_itself < other->ob_itself ) return -1;")
Output("return 0;")
OutRbrace()
def outputHash(self):
Output()
Output("static int %s_hash(%s *self)", self.prefix, self.objecttype)
OutLbrace()
Output("return (int)self->ob_itself;")
OutRbrace()
def outputRepr(self):
Output()
Output("static PyObject * %s_repr(%s *self)", self.prefix, self.objecttype)
OutLbrace()
Output("char buf[100];")
Output("""sprintf(buf, "<Window object at 0x%%8.8x for 0x%%8.8x>", (unsigned)self, (unsigned)self->ob_itself);""")
Output("return PyString_FromString(buf);")
OutRbrace()
## def outputFreeIt(self, itselfname):
## Output("DisposeWindow(%s);", itselfname)
# From here on it's basically all boiler plate...
# Create the generator groups and link them
module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
module.addobject(object)
# Create the generator classes used to populate the lists
Function = OSErrWeakLinkFunctionGenerator
Method = OSErrWeakLinkMethodGenerator
# Create and populate the lists
functions = []
methods = []
exec(open(INPUTFILE).read())
# Add manual routines for converting integer WindowPtr's (as returned by
# various event routines) and Dialog objects to a WindowObject.
whichwin_body = """
long ptr;
if ( !PyArg_ParseTuple(_args, "i", &ptr) )
return NULL;
_res = WinObj_WhichWindow((WindowPtr)ptr);
return _res;
"""
f = ManualGenerator("WhichWindow", whichwin_body)
f.docstring = lambda : "Resolve an integer WindowPtr address to a Window object"
functions.append(f)
# And add the routines that access the internal bits of a window struct. They
# are currently #defined in Windows.h, they will be real routines in Copland
# (at which time this exec can go)
exec(open(EDITFILE).read())
# add the populated lists to the generator groups
# (in a different wordl the scan program would generate this)
for f in functions: module.add(f)
for f in methods: object.add(f)
# generate output (open the output file as late as possible)
SetOutputFileName(OUTPUTFILE)
module.generate()
|
