[Python-checkins] CVS: python/dist/src/Mac/Modules/list listscan.py,1.7,1.8 listsupport.py,1.11,1.12 _Listmodule.c,1.3,1.4

Just van Rossum jvr@users.sourceforge.net
Mon, 05 Nov 2001 00:27:59 -0800


Update of /cvsroot/python/python/dist/src/Mac/Modules/list
In directory usw-pr-cvs1:/tmp/cvs-serv30675

Modified Files:
	listscan.py listsupport.py _Listmodule.c 
Log Message:
More List Manager interfacing:
- CreateCustomList(): write LDEF's in Python! (carbon + classic)
- list.LGetCellDataLocation()

(Jack: what's with this _WIN32/pywintoolbox.h stuff?)

Index: listscan.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Mac/Modules/list/listscan.py,v
retrieving revision 1.7
retrieving revision 1.8
diff -C2 -d -r1.7 -r1.8
*** listscan.py	2001/02/27 13:00:36	1.7
--- listscan.py	2001/11/05 08:27:57	1.8
***************
*** 40,44 ****
  			"LDispose",		# Done by removing the object
  			"LSearch",		# We don't want to handle procs just yet
! 			"LGetCellDataLocation",		# What does this do??
  			
  			# These have funny argument/return values
--- 40,45 ----
  			"LDispose",		# Done by removing the object
  			"LSearch",		# We don't want to handle procs just yet
! 			"CreateCustomList",  # done manually
! 			"SetListDefinitionProc",
  			
  			# These have funny argument/return values
***************
*** 55,62 ****
  	def makeblacklisttypes(self):
  		return [
! 			'ListDefSpec', # Too difficult for now
! 			'ListDefSpec_ptr', # ditto
! 			"ListDefUPP",
! 			"ListClickLoopUPP",
  			]
  
--- 56,60 ----
  	def makeblacklisttypes(self):
  		return [
! 			"ListClickLoopUPP",  # Too difficult for now
  			]
  

Index: listsupport.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Mac/Modules/list/listsupport.py,v
retrieving revision 1.11
retrieving revision 1.12
diff -C2 -d -r1.11 -r1.12
*** listsupport.py	2001/09/05 10:31:28	1.11
--- listsupport.py	2001/11/05 08:27:57	1.12
***************
*** 27,30 ****
--- 27,33 ----
  ListBounds = Rect
  ListBounds_ptr = Rect_ptr
+ 
+ ListDefSpec = ListDefSpec_ptr = OpaqueType("ListDefSpec", "PyMac_BuildListDefSpec", "PyMac_GetListDefSpec")
+ 
  VarOutBufferShortsize = VarHeapOutputBufferType('char', 'short', 's')	# (buf, &len)
  InBufferShortsize = VarInputBufferType('char', 'short', 's')		# (buf, len)
***************
*** 77,85 ****
  #define as_List(x) ((ListHandle)x)
  #define as_Resource(lh) ((Handle)lh)
  """
  
  initstuff = initstuff + """
! 	PyMac_INIT_TOOLBOX_OBJECT_NEW(ListHandle, ListObj_New);
! 	PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ListHandle, ListObj_Convert);
  """
  
--- 80,126 ----
  #define as_List(x) ((ListHandle)x)
  #define as_Resource(lh) ((Handle)lh)
+ 
+ static ListDefUPP myListDefFunctionUPP;
+ 
+ #if !TARGET_API_MAC_CARBON
+ 
+ #define kJumpAbs 0x4EF9
+ 
+ #pragma options align=mac68k
+ typedef struct {
+ 	short jmpabs;       /* 4EF9 */
+ 	ListDefUPP theUPP;  /* 00000000 */
+ } LDEFStub, **LDEFStubHandle;
+ #pragma options align=reset
+ 
+ static OSErr installLDEFStub(ListHandle list) {
+ 	LDEFStubHandle stubH;
+ 
+ 	stubH = (LDEFStubHandle)NewHandleClear(sizeof(LDEFStub));
+ 	if (stubH == NULL)
+ 		return MemError();
+ 	
+ 	(*stubH)->jmpabs = kJumpAbs;
+ 	(*stubH)->theUPP = myListDefFunctionUPP;
+ 	HLock((Handle) stubH);
+ 	
+ 	(*list)->listDefProc = (Handle)stubH;
+ 	return noErr;
+ }
+ 
+ static void removeLDEFStub(ListHandle list) {
+ 	if ((*list)->listDefProc)
+ 		DisposeHandle((Handle)(*list)->listDefProc);
+ 	(*list)->listDefProc = NULL;
+ }
+ 
+ #endif
  """
  
  initstuff = initstuff + """
! myListDefFunctionUPP = NewListDefUPP((ListDefProcPtr)myListDefFunction);
! 
! PyMac_INIT_TOOLBOX_OBJECT_NEW(ListHandle, ListObj_New);
! PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ListHandle, ListObj_Convert);
  """
  
***************
*** 99,105 ****
  	/* XXXX Should we HLock() here?? */
  	if ( strcmp(name, "listFlags") == 0 )
! 		return Py_BuildValue("l", (long)(*self->ob_itself)->listFlags & 0xff);
  	if ( strcmp(name, "selFlags") == 0 )
! 		return Py_BuildValue("l", (long)(*self->ob_itself)->selFlags & 0xff);
  }"""
  
--- 140,146 ----
  	/* XXXX Should we HLock() here?? */
  	if ( strcmp(name, "listFlags") == 0 )
! 		return Py_BuildValue("l", (long)GetListFlags(self->ob_itself) & 0xff);
  	if ( strcmp(name, "selFlags") == 0 )
! 		return Py_BuildValue("l", (long)GetListSelectionFlags(self->ob_itself) & 0xff);
  }"""
  
***************
*** 114,123 ****
  	intval = PyInt_AsLong(value);
  	if (strcmp(name, "listFlags") == 0 ) {
! 		/* XXXX Should we HLock the handle here?? */
! 		(*self->ob_itself)->listFlags = intval;
  		return 0;
  	}
  	if (strcmp(name, "selFlags") == 0 ) {
! 		(*self->ob_itself)->selFlags = intval;
  		return 0;
  	}
--- 155,163 ----
  	intval = PyInt_AsLong(value);
  	if (strcmp(name, "listFlags") == 0 ) {
! 		SetListFlags(self->ob_itself, intval);
  		return 0;
  	}
  	if (strcmp(name, "selFlags") == 0 ) {
! 		SetListSelectionFlags(self->ob_itself, intval);
  		return 0;
  	}
***************
*** 131,134 ****
--- 171,176 ----
  	def outputStructMembers(self):
  		ObjectDefinition.outputStructMembers(self)
+ 		Output("PyObject *ob_ldef_func;")
+ 		Output("int ob_have_ldef_stub;")
  		Output("int ob_must_be_disposed;")
  
***************
*** 141,147 ****
--- 183,198 ----
  	def outputInitStructMembers(self):
  		ObjectDefinition.outputInitStructMembers(self)
+ 		Output("it->ob_ldef_func = NULL;")
+ 		Output("it->ob_have_ldef_stub = 0;")
  		Output("it->ob_must_be_disposed = 1;")
+ 		Output("SetListRefCon(itself, (long)it);")
  
  	def outputFreeIt(self, itselfname):
+ 		Output("Py_XDECREF(self->ob_ldef_func);")
+ 		Output("self->ob_ldef_func = NULL;")
+ 		Output("#if !TARGET_API_MAC_CARBON")
+ 		Output("if (self->ob_have_ldef_stub) removeLDEFStub(self->ob_itself);");
+ 		Output("#endif");
+ 		Output("SetListRefCon(self->ob_itself, (long)0);")
  		Output("if (self->ob_must_be_disposed && %s) LDispose(%s);", itselfname, itselfname)
  		
***************
*** 154,157 ****
--- 205,246 ----
  # From here on it's basically all boiler plate...
  
+ finalstuff = finalstuff + """
+ static void myListDefFunction(SInt16 message,
+                        Boolean selected,
+                        Rect *cellRect,
+                        Cell theCell,
+                        SInt16 dataOffset,
+                        SInt16 dataLen,
+                        ListHandle theList)  
+ {
+ 	PyObject *listDefFunc, *args, *rv=NULL;
+ 	ListObject *self;
+ 	
+ 	self = (ListObject*)GetListRefCon(theList);
+ 	if (self == NULL || self->ob_itself != theList)
+ 		return;  /* nothing we can do */
+ 	listDefFunc = self->ob_ldef_func;
+ 	if (listDefFunc == NULL)
+ 		return;  /* nothing we can do */
+ 	args = Py_BuildValue("hbO&O&hhO", message,
+ 	                                  selected,
+ 	                                  PyMac_BuildRect, cellRect,
+ 	                                  PyMac_BuildPoint, theCell,
+ 	                                  dataOffset,
+ 	                                  dataLen,
+ 	                                  self);
+ 	if (args != NULL) {
+ 		rv = PyEval_CallObject(listDefFunc, args);
+ 		Py_DECREF(args);
+ 	}
+ 	if (rv == NULL) {
+ 		PySys_WriteStderr("error in list definition callback:\\n");
+ 		PyErr_Print();
+ 	} else {
+ 		Py_DECREF(rv);
+ 	}
+ }
+ """
+ 
  # Create the generator groups and link them
  module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
***************
*** 187,194 ****
--- 276,360 ----
  methods.append(f)
  
+ # Manual generator for CreateCustomList, due to callback ideosyncracies
+ CreateCustomList_body = """\
+ Rect rView;
+ Rect dataBounds;
+ Point cellSize;
+ 
+ PyObject *listDefFunc;
+ ListDefSpec theSpec;
+ WindowPtr theWindow;
+ Boolean drawIt;
+ Boolean hasGrow;
+ Boolean scrollHoriz;
+ Boolean scrollVert;
+ ListHandle outList;
+ 
+ if (!PyArg_ParseTuple(_args, "O&O&O&(iO)O&bbbb",
+                       PyMac_GetRect, &rView,
+                       PyMac_GetRect, &dataBounds,
+                       PyMac_GetPoint, &cellSize,
+                       &theSpec.defType, &listDefFunc,
+                       WinObj_Convert, &theWindow,
+                       &drawIt,
+                       &hasGrow,
+                       &scrollHoriz,
+                       &scrollVert))
+ 	return NULL;
+ 
+ 
+ #if TARGET_API_MAC_CARBON
+ /* Carbon applications use the CreateCustomList API */ 
+ theSpec.u.userProc = myListDefFunctionUPP;
+ CreateCustomList(&rView,
+                  &dataBounds,
+                  cellSize,
+                  &theSpec,
+                  theWindow,
+                  drawIt,
+                  hasGrow,
+                  scrollHoriz,
+                  scrollVert,
+                  &outList);
+ 
+ #else
+ /* pre-Carbon applications set the address in the LDEF
+ to a routine descriptor referring to their list
+ definition routine. */
+ outList = LNew(&rView,
+                &dataBounds,
+                cellSize,
+                0,
+                theWindow,
+                drawIt, /* XXX must be false */
+                hasGrow,
+                scrollHoriz,
+                scrollVert);
+ if (installLDEFStub(outList) != noErr) {
+ 	PyErr_SetString(PyExc_MemoryError, "can't create LDEF stub");
+ 	return NULL;
+ }
+ #endif
+ 
+ _res = ListObj_New(outList);
+ if (_res == NULL)
+ 	return NULL;
+ Py_INCREF(listDefFunc);
+ ((ListObject*)_res)->ob_ldef_func = listDefFunc;
+ #if !TARGET_API_MAC_CARBON
+ ((ListObject*)_res)->ob_have_ldef_stub = 1;
+ #endif
+ return _res;\
+ """
+ 
+ f = ManualGenerator("CreateCustomList", CreateCustomList_body);
+ f.docstring = lambda: "(Rect rView, Rect dataBounds, Point cellSize, ListDefSpec theSpec, WindowPtr theWindow, Boolean drawIt, Boolean hasGrow, Boolean scrollHoriz, Boolean scrollVert) -> (ListHandle outList)"
+ module.add(f)
+ 
  # 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)

Index: _Listmodule.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Mac/Modules/list/_Listmodule.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** _Listmodule.c	2001/09/05 10:30:02	1.3
--- _Listmodule.c	2001/11/05 08:27:57	1.4
***************
*** 6,15 ****
  
  
- #ifdef _WIN32
- #include "pywintoolbox.h"
- #else
  #include "macglue.h"
  #include "pymactoolbox.h"
- #endif
  
  /* Macro to test whether a weak-loaded CFM function exists */
--- 6,11 ----
***************
*** 63,66 ****
--- 59,98 ----
  #define as_Resource(lh) ((Handle)lh)
  
+ static ListDefUPP myListDefFunctionUPP;
+ 
+ #if !TARGET_API_MAC_CARBON
+ 
+ #define kJumpAbs 0x4EF9
+ 
+ #pragma options align=mac68k
+ typedef struct {
+ 	short jmpabs;       /* 4EF9 */
+ 	ListDefUPP theUPP;  /* 00000000 */
+ } LDEFStub, **LDEFStubHandle;
+ #pragma options align=reset
+ 
+ static OSErr installLDEFStub(ListHandle list) {
+ 	LDEFStubHandle stubH;
+ 
+ 	stubH = (LDEFStubHandle)NewHandleClear(sizeof(LDEFStub));
+ 	if (stubH == NULL)
+ 		return MemError();
+ 	
+ 	(*stubH)->jmpabs = kJumpAbs;
+ 	(*stubH)->theUPP = myListDefFunctionUPP;
+ 	HLock((Handle) stubH);
+ 	
+ 	(*list)->listDefProc = (Handle)stubH;
+ 	return noErr;
+ }
+ 
+ static void removeLDEFStub(ListHandle list) {
+ 	if ((*list)->listDefProc)
+ 		DisposeHandle((Handle)(*list)->listDefProc);
+ 	(*list)->listDefProc = NULL;
+ }
+ 
+ #endif
+ 
  static PyObject *List_Error;
  
***************
*** 74,77 ****
--- 106,111 ----
  	PyObject_HEAD
  	ListHandle ob_itself;
+ 	PyObject *ob_ldef_func;
+ 	int ob_have_ldef_stub;
  	int ob_must_be_disposed;
  } ListObject;
***************
*** 87,91 ****
--- 121,128 ----
  	if (it == NULL) return NULL;
  	it->ob_itself = itself;
+ 	it->ob_ldef_func = NULL;
+ 	it->ob_have_ldef_stub = 0;
  	it->ob_must_be_disposed = 1;
+ 	SetListRefCon(itself, (long)it);
  	return (PyObject *)it;
  }
***************
*** 103,106 ****
--- 140,149 ----
  static void ListObj_dealloc(ListObject *self)
  {
+ 	Py_XDECREF(self->ob_ldef_func);
+ 	self->ob_ldef_func = NULL;
+ #if !TARGET_API_MAC_CARBON
+ 	if (self->ob_have_ldef_stub) removeLDEFStub(self->ob_itself);
+ #endif
+ 	SetListRefCon(self->ob_itself, (long)0);
  	if (self->ob_must_be_disposed && self->ob_itself) LDispose(self->ob_itself);
  	PyMem_DEL(self);
***************
*** 477,480 ****
--- 520,542 ----
  }
  
+ static PyObject *ListObj_LGetCellDataLocation(ListObject *_self, PyObject *_args)
+ {
+ 	PyObject *_res = NULL;
+ 	short offset;
+ 	short len;
+ 	Point theCell;
+ 	if (!PyArg_ParseTuple(_args, "O&",
+ 	                      PyMac_GetPoint, &theCell))
+ 		return NULL;
+ 	LGetCellDataLocation(&offset,
+ 	                     &len,
+ 	                     theCell,
+ 	                     _self->ob_itself);
+ 	_res = Py_BuildValue("hh",
+ 	                     offset,
+ 	                     len);
+ 	return _res;
+ }
+ 
  static PyObject *ListObj_as_Resource(ListObject *_self, PyObject *_args)
  {
***************
*** 534,537 ****
--- 596,601 ----
  	{"LDraw", (PyCFunction)ListObj_LDraw, 1,
  	 "(Point theCell) -> None"},
+ 	{"LGetCellDataLocation", (PyCFunction)ListObj_LGetCellDataLocation, 1,
+ 	 "(Point theCell) -> (short offset, short len)"},
  	{"as_Resource", (PyCFunction)ListObj_as_Resource, 1,
  	 "() -> (Handle _rv)"},
***************
*** 546,552 ****
  		/* XXXX Should we HLock() here?? */
  		if ( strcmp(name, "listFlags") == 0 )
! 			return Py_BuildValue("l", (long)(*self->ob_itself)->listFlags & 0xff);
  		if ( strcmp(name, "selFlags") == 0 )
! 			return Py_BuildValue("l", (long)(*self->ob_itself)->selFlags & 0xff);
  	}
  	return Py_FindMethodInChain(&ListObj_chain, (PyObject *)self, name);
--- 610,616 ----
  		/* XXXX Should we HLock() here?? */
  		if ( strcmp(name, "listFlags") == 0 )
! 			return Py_BuildValue("l", (long)GetListFlags(self->ob_itself) & 0xff);
  		if ( strcmp(name, "selFlags") == 0 )
! 			return Py_BuildValue("l", (long)GetListSelectionFlags(self->ob_itself) & 0xff);
  	}
  	return Py_FindMethodInChain(&ListObj_chain, (PyObject *)self, name);
***************
*** 562,571 ****
  	intval = PyInt_AsLong(value);
  	if (strcmp(name, "listFlags") == 0 ) {
! 		/* XXXX Should we HLock the handle here?? */
! 		(*self->ob_itself)->listFlags = intval;
  		return 0;
  	}
  	if (strcmp(name, "selFlags") == 0 ) {
! 		(*self->ob_itself)->selFlags = intval;
  		return 0;
  	}
--- 626,634 ----
  	intval = PyInt_AsLong(value);
  	if (strcmp(name, "listFlags") == 0 ) {
! 		SetListFlags(self->ob_itself, intval);
  		return 0;
  	}
  	if (strcmp(name, "selFlags") == 0 ) {
! 		SetListSelectionFlags(self->ob_itself, intval);
  		return 0;
  	}
***************
*** 602,605 ****
--- 665,741 ----
  
  
+ static PyObject *List_CreateCustomList(PyObject *_self, PyObject *_args)
+ {
+ 	PyObject *_res = NULL;
+ 	Rect rView;
+ 	Rect dataBounds;
+ 	Point cellSize;
+ 
+ 	PyObject *listDefFunc;
+ 	ListDefSpec theSpec;
+ 	WindowPtr theWindow;
+ 	Boolean drawIt;
+ 	Boolean hasGrow;
+ 	Boolean scrollHoriz;
+ 	Boolean scrollVert;
+ 	ListHandle outList;
+ 
+ 	if (!PyArg_ParseTuple(_args, "O&O&O&(iO)O&bbbb",
+ 	                      PyMac_GetRect, &rView,
+ 	                      PyMac_GetRect, &dataBounds,
+ 	                      PyMac_GetPoint, &cellSize,
+ 	                      &theSpec.defType, &listDefFunc,
+ 	                      WinObj_Convert, &theWindow,
+ 	                      &drawIt,
+ 	                      &hasGrow,
+ 	                      &scrollHoriz,
+ 	                      &scrollVert))
+ 		return NULL;
+ 
+ 
+ #if TARGET_API_MAC_CARBON
+ 	/* Carbon applications use the CreateCustomList API */ 
+ 	theSpec.u.userProc = myListDefFunctionUPP;
+ 	CreateCustomList(&rView,
+ 	                 &dataBounds,
+ 	                 cellSize,
+ 	                 &theSpec,
+ 	                 theWindow,
+ 	                 drawIt,
+ 	                 hasGrow,
+ 	                 scrollHoriz,
+ 	                 scrollVert,
+ 	                 &outList);
+ 
+ #else
+ 	/* pre-Carbon applications set the address in the LDEF
+ 	to a routine descriptor referring to their list
+ 	definition routine. */
+ 	outList = LNew(&rView,
+ 	               &dataBounds,
+ 	               cellSize,
+ 	               0,
+ 	               theWindow,
+ 	               drawIt, /* XXX must be false */
+ 	               hasGrow,
+ 	               scrollHoriz,
+ 	               scrollVert);
+ 	if (installLDEFStub(outList) != noErr) {
+ 		PyErr_SetString(PyExc_MemoryError, "can't create LDEF stub");
+ 		return NULL;
+ 	}
+ #endif
+ 
+ 	_res = ListObj_New(outList);
+ 	if (_res == NULL)
+ 		return NULL;
+ 	Py_INCREF(listDefFunc);
+ 	((ListObject*)_res)->ob_ldef_func = listDefFunc;
+ #if !TARGET_API_MAC_CARBON
+ 	((ListObject*)_res)->ob_have_ldef_stub = 1;
+ #endif
+ 	return _res;
+ }
+ 
  static PyObject *List_LNew(PyObject *_self, PyObject *_args)
  {
***************
*** 938,941 ****
--- 1074,1079 ----
  
  static PyMethodDef List_methods[] = {
+ 	{"CreateCustomList", (PyCFunction)List_CreateCustomList, 1,
+ 	 "(Rect rView, Rect dataBounds, Point cellSize, ListDefSpec theSpec, WindowPtr theWindow, Boolean drawIt, Boolean hasGrow, Boolean scrollHoriz, Boolean scrollVert) -> (ListHandle outList)"},
  	{"LNew", (PyCFunction)List_LNew, 1,
  	 "(Rect rView, Rect dataBounds, Point cSize, short theProc, WindowPtr theWindow, Boolean drawIt, Boolean hasGrow, Boolean scrollHoriz, Boolean scrollVert) -> (ListHandle _rv)"},
***************
*** 985,988 ****
--- 1123,1162 ----
  
  
+ static void myListDefFunction(SInt16 message,
+                        Boolean selected,
+                        Rect *cellRect,
+                        Cell theCell,
+                        SInt16 dataOffset,
+                        SInt16 dataLen,
+                        ListHandle theList)  
+ {
+ 	PyObject *listDefFunc, *args, *rv=NULL;
+ 	ListObject *self;
+ 	
+ 	self = (ListObject*)GetListRefCon(theList);
+ 	if (self == NULL || self->ob_itself != theList)
+ 		return;  /* nothing we can do */
+ 	listDefFunc = self->ob_ldef_func;
+ 	if (listDefFunc == NULL)
+ 		return;  /* nothing we can do */
+ 	args = Py_BuildValue("hbO&O&hhO", message,
+ 	                                  selected,
+ 	                                  PyMac_BuildRect, cellRect,
+ 	                                  PyMac_BuildPoint, theCell,
+ 	                                  dataOffset,
+ 	                                  dataLen,
+ 	                                  self);
+ 	if (args != NULL) {
+ 		rv = PyEval_CallObject(listDefFunc, args);
+ 		Py_DECREF(args);
+ 	}
+ 	if (rv == NULL) {
+ 		PySys_WriteStderr("error in list definition callback:\n");
+ 		PyErr_Print();
+ 	} else {
+ 		Py_DECREF(rv);
+ 	}
+ }
+ 
  
  void init_List(void)
***************
*** 993,998 ****
  
  
! 		PyMac_INIT_TOOLBOX_OBJECT_NEW(ListHandle, ListObj_New);
! 		PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ListHandle, ListObj_Convert);
  
  
--- 1167,1174 ----
  
  
! 	myListDefFunctionUPP = NewListDefUPP((ListDefProcPtr)myListDefFunction);
! 
! 	PyMac_INIT_TOOLBOX_OBJECT_NEW(ListHandle, ListObj_New);
! 	PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ListHandle, ListObj_Convert);