/Mac/Modules/app/appsupport.py

  1# This script generates a Python interface for an Apple Macintosh Manager.
  2# It uses the "bgen" package to generate C code.
  3# The function specifications are generated by scanning the mamager's header file,
  4# using the "scantools" package (customized for this particular manager).
  5
  6import string
  7
  8# Declarations that change for each manager
  9MACHEADERFILE = 'Appearance.h'          # The Apple header file
 10MODNAME = '_App'                                # The name of the module
 11OBJECTNAME = 'ThemeDrawingState'                        # The basic name of the objects used here
 12KIND = ''                               # Usually 'Ptr' or 'Handle'
 13
 14# The following is *usually* unchanged but may still require tuning
 15MODPREFIX = 'App'                       # The prefix for module-wide routines
 16OBJECTTYPE = OBJECTNAME + KIND          # The C type used to represent them
 17OBJECTPREFIX = OBJECTNAME + 'Obj'       # The prefix for object methods
 18INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
 19OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program
 20
 21from macsupport import *
 22
 23# Create the type objects
 24#MenuRef = OpaqueByValueType("MenuRef", "MenuObj")
 25
 26
 27#WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
 28
 29RgnHandle = FakeType("(RgnHandle)0")
 30NULL = FakeType("NULL")
 31
 32# XXXX Should be next, but this will break a lot of code...
 33# RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")
 34
 35#KeyMap = ArrayOutputBufferType("KeyMap")
 36#MacOSEventKind = Type("MacOSEventKind", "h") # Old-style
 37#MacOSEventMask = Type("MacOSEventMask", "h") # Old-style
 38#EventMask = Type("EventMask", "h")
 39#EventKind = Type("EventKind", "h")
 40ThemeBrush = Type("ThemeBrush", "h")
 41ThemeColor = Type("ThemeColor", "h")
 42ThemeTextColor = Type("ThemeTextColor", "h")
 43ThemeMenuBarState = Type("ThemeMenuBarState", "H")
 44ThemeMenuState = Type("ThemeMenuState", "H")
 45ThemeMenuType = Type("ThemeMenuType", "H")
 46ThemeMenuItemType = Type("ThemeMenuItemType", "H")
 47ThemeFontID = Type("ThemeFontID", "H")
 48ThemeTabStyle = Type("ThemeTabStyle", "H")
 49ThemeTabDirection = Type("ThemeTabDirection", "H")
 50ThemeDrawState = Type("ThemeDrawState", "l")
 51ThemeCursor = Type("ThemeCursor", "l")
 52ThemeCheckBoxStyle = Type("ThemeCheckBoxStyle", "H")
 53ThemeScrollBarArrowStyle = Type("ThemeScrollBarArrowStyle", "H")
 54ThemeScrollBarThumbStyle = Type("ThemeScrollBarThumbStyle", "H")
 55CTabHandle = OpaqueByValueType("CTabHandle", "ResObj")
 56ThemeTrackEnableState = Type("ThemeTrackEnableState", "b")
 57ThemeTrackPressState = Type("ThemeTrackPressState", "b")
 58ThemeThumbDirection = Type("ThemeThumbDirection", "b")
 59ThemeTrackAttributes = Type("ThemeTrackAttributes", "H")
 60ControlPartCode = Type("ControlPartCode", "h")
 61ThemeWindowAttributes = Type("ThemeWindowAttributes", "l")
 62ThemeWindowType = Type("ThemeWindowType", "H")
 63ThemeTitleBarWidget = Type("ThemeTitleBarWidget", "H")
 64ThemeArrowOrientation = Type("ThemeArrowOrientation", "H")
 65ThemePopupArrowSize = Type("ThemePopupArrowSize", "H")
 66ThemeGrowDirection = Type("ThemeGrowDirection", "H")
 67ThemeSoundKind = OSTypeType("ThemeSoundKind")
 68ThemeDragSoundKind = OSTypeType("ThemeDragSoundKind")
 69ThemeBackgroundKind = Type("ThemeBackgroundKind", "l")
 70ThemeMetric = Type("ThemeMetric", "l")
 71RGBColor = OpaqueType("RGBColor", "QdRGB")
 72TruncCode = Type("TruncCode", "h")
 73
 74
 75ThemeButtonKind = UInt16
 76ThemeButtonDrawInfo_ptr = OpaqueType("ThemeButtonDrawInfo", "ThemeButtonDrawInfo")
 77ThemeEraseUPP = FakeType("NULL")
 78ThemeButtonDrawUPP = FakeType("NULL")
 79
 80
 81includestuff = includestuff + """
 82#include <Carbon/Carbon.h>
 83
 84
 85int ThemeButtonDrawInfo_Convert(PyObject *v, ThemeButtonDrawInfo *p_itself)
 86{
 87        return PyArg_Parse(v, "(iHH)", &p_itself->state, &p_itself->value, &p_itself->adornment);
 88}
 89
 90"""
 91
 92class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
 93    pass
 94##      def outputCheckNewArg(self):
 95##              Output("if (itself == NULL) return PyMac_Error(resNotFound);")
 96##      def outputCheckConvertArg(self):
 97##              OutLbrace("if (DlgObj_Check(v))")
 98##              Output("*p_itself = ((WindowObject *)v)->ob_itself;")
 99##              Output("return 1;")
100##              OutRbrace()
101##              Out("""
102##              if (v == Py_None) { *p_itself = NULL; return 1; }
103##              if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; }
104##              """)
105
106# From here on it's basically all boiler plate...
107
108# Create the generator groups and link them
109module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
110object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
111module.addobject(object)
112
113ThemeDrawingState = OpaqueByValueType("ThemeDrawingState", "ThemeDrawingStateObj")
114Method = WeakLinkMethodGenerator
115
116
117# Create the generator classes used to populate the lists
118Function = OSErrWeakLinkFunctionGenerator
119##Method = OSErrWeakLinkMethodGenerator
120
121# Create and populate the lists
122functions = []
123methods = []
124execfile(INPUTFILE)
125
126# add the populated lists to the generator groups
127# (in a different wordl the scan program would generate this)
128for f in functions: module.add(f)
129for f in methods: object.add(f)
130
131# generate output (open the output file as late as possible)
132SetOutputFileName(OUTPUTFILE)
133module.generate()