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
   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()