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      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 
      6 import string
      7 
      8 # Declarations that change for each manager
      9 MACHEADERFILE = 'Appearance.h'          # The Apple header file
     10 MODNAME = '_App'                                # The name of the module
     11 OBJECTNAME = 'ThemeDrawingState'                        # The basic name of the objects used here
     12 KIND = ''                               # Usually 'Ptr' or 'Handle'
     13 
     14 # The following is *usually* unchanged but may still require tuning
     15 MODPREFIX = 'App'                       # The prefix for module-wide routines
     16 OBJECTTYPE = OBJECTNAME + KIND          # The C type used to represent them
     17 OBJECTPREFIX = OBJECTNAME + 'Obj'       # The prefix for object methods
     18 INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
     19 OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program
     20 
     21 from macsupport import *
     22 
     23 # Create the type objects
     24 #MenuRef = OpaqueByValueType("MenuRef", "MenuObj")
     25 
     26 
     27 #WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
     28 
     29 RgnHandle = FakeType("(RgnHandle)0")
     30 NULL = 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")
     40 ThemeBrush = Type("ThemeBrush", "h")
     41 ThemeColor = Type("ThemeColor", "h")
     42 ThemeTextColor = Type("ThemeTextColor", "h")
     43 ThemeMenuBarState = Type("ThemeMenuBarState", "H")
     44 ThemeMenuState = Type("ThemeMenuState", "H")
     45 ThemeMenuType = Type("ThemeMenuType", "H")
     46 ThemeMenuItemType = Type("ThemeMenuItemType", "H")
     47 ThemeFontID = Type("ThemeFontID", "H")
     48 ThemeTabStyle = Type("ThemeTabStyle", "H")
     49 ThemeTabDirection = Type("ThemeTabDirection", "H")
     50 ThemeDrawState = Type("ThemeDrawState", "l")
     51 ThemeCursor = Type("ThemeCursor", "l")
     52 ThemeCheckBoxStyle = Type("ThemeCheckBoxStyle", "H")
     53 ThemeScrollBarArrowStyle = Type("ThemeScrollBarArrowStyle", "H")
     54 ThemeScrollBarThumbStyle = Type("ThemeScrollBarThumbStyle", "H")
     55 CTabHandle = OpaqueByValueType("CTabHandle", "ResObj")
     56 ThemeTrackEnableState = Type("ThemeTrackEnableState", "b")
     57 ThemeTrackPressState = Type("ThemeTrackPressState", "b")
     58 ThemeThumbDirection = Type("ThemeThumbDirection", "b")
     59 ThemeTrackAttributes = Type("ThemeTrackAttributes", "H")
     60 ControlPartCode = Type("ControlPartCode", "h")
     61 ThemeWindowAttributes = Type("ThemeWindowAttributes", "l")
     62 ThemeWindowType = Type("ThemeWindowType", "H")
     63 ThemeTitleBarWidget = Type("ThemeTitleBarWidget", "H")
     64 ThemeArrowOrientation = Type("ThemeArrowOrientation", "H")
     65 ThemePopupArrowSize = Type("ThemePopupArrowSize", "H")
     66 ThemeGrowDirection = Type("ThemeGrowDirection", "H")
     67 ThemeSoundKind = OSTypeType("ThemeSoundKind")
     68 ThemeDragSoundKind = OSTypeType("ThemeDragSoundKind")
     69 ThemeBackgroundKind = Type("ThemeBackgroundKind", "l")
     70 ThemeMetric = Type("ThemeMetric", "l")
     71 RGBColor = OpaqueType("RGBColor", "QdRGB")
     72 TruncCode = Type("TruncCode", "h")
     73 
     74 
     75 ThemeButtonKind = UInt16
     76 ThemeButtonDrawInfo_ptr = OpaqueType("ThemeButtonDrawInfo", "ThemeButtonDrawInfo")
     77 ThemeEraseUPP = FakeType("NULL")
     78 ThemeButtonDrawUPP = FakeType("NULL")
     79 
     80 
     81 includestuff = includestuff + """
     82 #include <Carbon/Carbon.h>
     83 
     84 
     85 int 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 
     92 class 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
    109 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
    110 object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
    111 module.addobject(object)
    112 
    113 ThemeDrawingState = OpaqueByValueType("ThemeDrawingState", "ThemeDrawingStateObj")
    114 Method = WeakLinkMethodGenerator
    115 
    116 
    117 # Create the generator classes used to populate the lists
    118 Function = OSErrWeakLinkFunctionGenerator
    119 ##Method = OSErrWeakLinkMethodGenerator
    120 
    121 # Create and populate the lists
    122 functions = []
    123 methods = []
    124 execfile(INPUTFILE)
    125 
    126 # add the populated lists to the generator groups
    127 # (in a different wordl the scan program would generate this)
    128 for f in functions: module.add(f)
    129 for f in methods: object.add(f)
    130 
    131 # generate output (open the output file as late as possible)
    132 SetOutputFileName(OUTPUTFILE)
    133 module.generate()
    134