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cpython/Mac/Modules/drag/Dragmodule.c

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/* ========================== Module Drag =========================== */
#include "Python.h"
#include "macglue.h"
#include "pymactoolbox.h"
#include <Drag.h>
/* Callback glue routines */
DragTrackingHandlerUPP dragglue_TrackingHandlerUPP;
DragReceiveHandlerUPP dragglue_ReceiveHandlerUPP;
DragSendDataUPP dragglue_SendDataUPP;
#if 0
DragInputUPP dragglue_InputUPP;
DragDrawingUPP dragglue_DrawingUPP;
#endif
static PyObject *Drag_Error;
/* ---------------------- Object type DragObj ----------------------- */
PyTypeObject DragObj_Type;
#define DragObj_Check(x) ((x)->ob_type == &DragObj_Type)
typedef struct DragObjObject {
PyObject_HEAD
DragReference ob_itself;
PyObject *sendproc;
} DragObjObject;
PyObject *DragObj_New(itself)
DragReference itself;
{
DragObjObject *it;
if (itself == NULL) {
PyErr_SetString(Drag_Error,"Cannot create null Drag");
return NULL;
}
it = PyObject_NEW(DragObjObject, &DragObj_Type);
if (it == NULL) return NULL;
it->ob_itself = itself;
it->sendproc = NULL;
return (PyObject *)it;
}
DragObj_Convert(v, p_itself)
PyObject *v;
DragReference *p_itself;
{
if (!DragObj_Check(v))
{
PyErr_SetString(PyExc_TypeError, "DragObj required");
return 0;
}
*p_itself = ((DragObjObject *)v)->ob_itself;
return 1;
}
static void DragObj_dealloc(self)
DragObjObject *self;
{
Py_XDECREF(self->sendproc);
PyMem_DEL(self);
}
static PyObject *DragObj_DisposeDrag(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = DisposeDrag(_self->ob_itself);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_AddDragItemFlavor(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
ItemReference theItemRef;
FlavorType theType;
char *dataPtr__in__;
long dataPtr__len__;
int dataPtr__in_len__;
FlavorFlags theFlags;
if (!PyArg_ParseTuple(_args, "lO&z#l",
&theItemRef,
PyMac_GetOSType, &theType,
&dataPtr__in__, &dataPtr__in_len__,
&theFlags))
return NULL;
dataPtr__len__ = dataPtr__in_len__;
_err = AddDragItemFlavor(_self->ob_itself,
theItemRef,
theType,
dataPtr__in__, dataPtr__len__,
theFlags);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
dataPtr__error__: ;
return _res;
}
static PyObject *DragObj_SetDragItemFlavorData(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
ItemReference theItemRef;
FlavorType theType;
char *dataPtr__in__;
long dataPtr__len__;
int dataPtr__in_len__;
UInt32 dataOffset;
if (!PyArg_ParseTuple(_args, "lO&z#l",
&theItemRef,
PyMac_GetOSType, &theType,
&dataPtr__in__, &dataPtr__in_len__,
&dataOffset))
return NULL;
dataPtr__len__ = dataPtr__in_len__;
_err = SetDragItemFlavorData(_self->ob_itself,
theItemRef,
theType,
dataPtr__in__, dataPtr__len__,
dataOffset);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
dataPtr__error__: ;
return _res;
}
static PyObject *DragObj_SetDragImage(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
PixMapHandle imagePixMap;
RgnHandle imageRgn;
Point imageOffsetPt;
DragImageFlags theImageFlags;
if (!PyArg_ParseTuple(_args, "O&O&O&l",
ResObj_Convert, &imagePixMap,
ResObj_Convert, &imageRgn,
PyMac_GetPoint, &imageOffsetPt,
&theImageFlags))
return NULL;
_err = SetDragImage(_self->ob_itself,
imagePixMap,
imageRgn,
imageOffsetPt,
theImageFlags);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_TrackDrag(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
EventRecord theEvent;
RgnHandle theRegion;
if (!PyArg_ParseTuple(_args, "O&O&",
PyMac_GetEventRecord, &theEvent,
ResObj_Convert, &theRegion))
return NULL;
_err = TrackDrag(_self->ob_itself,
&theEvent,
theRegion);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_CountDragItems(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
UInt16 numItems;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = CountDragItems(_self->ob_itself,
&numItems);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("H",
numItems);
return _res;
}
static PyObject *DragObj_GetDragItemReferenceNumber(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
UInt16 index;
ItemReference theItemRef;
if (!PyArg_ParseTuple(_args, "H",
&index))
return NULL;
_err = GetDragItemReferenceNumber(_self->ob_itself,
index,
&theItemRef);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("l",
theItemRef);
return _res;
}
static PyObject *DragObj_CountDragItemFlavors(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
ItemReference theItemRef;
UInt16 numFlavors;
if (!PyArg_ParseTuple(_args, "l",
&theItemRef))
return NULL;
_err = CountDragItemFlavors(_self->ob_itself,
theItemRef,
&numFlavors);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("H",
numFlavors);
return _res;
}
static PyObject *DragObj_GetFlavorType(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
ItemReference theItemRef;
UInt16 index;
FlavorType theType;
if (!PyArg_ParseTuple(_args, "lH",
&theItemRef,
&index))
return NULL;
_err = GetFlavorType(_self->ob_itself,
theItemRef,
index,
&theType);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("O&",
PyMac_BuildOSType, theType);
return _res;
}
static PyObject *DragObj_GetFlavorFlags(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
ItemReference theItemRef;
FlavorType theType;
FlavorFlags theFlags;
if (!PyArg_ParseTuple(_args, "lO&",
&theItemRef,
PyMac_GetOSType, &theType))
return NULL;
_err = GetFlavorFlags(_self->ob_itself,
theItemRef,
theType,
&theFlags);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("l",
theFlags);
return _res;
}
static PyObject *DragObj_GetFlavorDataSize(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
ItemReference theItemRef;
FlavorType theType;
Size dataSize;
if (!PyArg_ParseTuple(_args, "lO&",
&theItemRef,
PyMac_GetOSType, &theType))
return NULL;
_err = GetFlavorDataSize(_self->ob_itself,
theItemRef,
theType,
&dataSize);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("l",
dataSize);
return _res;
}
static PyObject *DragObj_GetFlavorData(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
ItemReference theItemRef;
FlavorType theType;
char *dataPtr__out__;
long dataPtr__len__;
int dataPtr__in_len__;
UInt32 dataOffset;
if (!PyArg_ParseTuple(_args, "lO&il",
&theItemRef,
PyMac_GetOSType, &theType,
&dataPtr__in_len__,
&dataOffset))
return NULL;
if ((dataPtr__out__ = malloc(dataPtr__in_len__)) == NULL)
{
PyErr_NoMemory();
goto dataPtr__error__;
}
dataPtr__len__ = dataPtr__in_len__;
_err = GetFlavorData(_self->ob_itself,
theItemRef,
theType,
dataPtr__out__, &dataPtr__len__,
dataOffset);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("s#",
dataPtr__out__, (int)dataPtr__len__);
free(dataPtr__out__);
dataPtr__error__: ;
return _res;
}
static PyObject *DragObj_GetDragItemBounds(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
ItemReference theItemRef;
Rect itemBounds;
if (!PyArg_ParseTuple(_args, "l",
&theItemRef))
return NULL;
_err = GetDragItemBounds(_self->ob_itself,
theItemRef,
&itemBounds);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("O&",
PyMac_BuildRect, &itemBounds);
return _res;
}
static PyObject *DragObj_SetDragItemBounds(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
ItemReference theItemRef;
Rect itemBounds;
if (!PyArg_ParseTuple(_args, "lO&",
&theItemRef,
PyMac_GetRect, &itemBounds))
return NULL;
_err = SetDragItemBounds(_self->ob_itself,
theItemRef,
&itemBounds);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_GetDropLocation(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
AEDesc dropLocation;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = GetDropLocation(_self->ob_itself,
&dropLocation);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("O&",
AEDesc_New, &dropLocation);
return _res;
}
static PyObject *DragObj_SetDropLocation(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
AEDesc dropLocation;
if (!PyArg_ParseTuple(_args, "O&",
AEDesc_Convert, &dropLocation))
return NULL;
_err = SetDropLocation(_self->ob_itself,
&dropLocation);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_GetDragAttributes(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
DragAttributes flags;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = GetDragAttributes(_self->ob_itself,
&flags);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("l",
flags);
return _res;
}
static PyObject *DragObj_GetDragMouse(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
Point mouse;
Point globalPinnedMouse;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = GetDragMouse(_self->ob_itself,
&mouse,
&globalPinnedMouse);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("O&O&",
PyMac_BuildPoint, mouse,
PyMac_BuildPoint, globalPinnedMouse);
return _res;
}
static PyObject *DragObj_SetDragMouse(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
Point globalPinnedMouse;
if (!PyArg_ParseTuple(_args, "O&",
PyMac_GetPoint, &globalPinnedMouse))
return NULL;
_err = SetDragMouse(_self->ob_itself,
globalPinnedMouse);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_GetDragOrigin(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
Point globalInitialMouse;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = GetDragOrigin(_self->ob_itself,
&globalInitialMouse);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("O&",
PyMac_BuildPoint, globalInitialMouse);
return _res;
}
static PyObject *DragObj_GetDragModifiers(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
SInt16 modifiers;
SInt16 mouseDownModifiers;
SInt16 mouseUpModifiers;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = GetDragModifiers(_self->ob_itself,
&modifiers,
&mouseDownModifiers,
&mouseUpModifiers);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("hhh",
modifiers,
mouseDownModifiers,
mouseUpModifiers);
return _res;
}
static PyObject *DragObj_ShowDragHilite(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
RgnHandle hiliteFrame;
Boolean inside;
if (!PyArg_ParseTuple(_args, "O&b",
ResObj_Convert, &hiliteFrame,
&inside))
return NULL;
_err = ShowDragHilite(_self->ob_itself,
hiliteFrame,
inside);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_HideDragHilite(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = HideDragHilite(_self->ob_itself);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_DragPreScroll(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
SInt16 dH;
SInt16 dV;
if (!PyArg_ParseTuple(_args, "hh",
&dH,
&dV))
return NULL;
_err = DragPreScroll(_self->ob_itself,
dH,
dV);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_DragPostScroll(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = DragPostScroll(_self->ob_itself);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *DragObj_UpdateDragHilite(_self, _args)
DragObjObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
RgnHandle updateRgn;
if (!PyArg_ParseTuple(_args, "O&",
ResObj_Convert, &updateRgn))
return NULL;
_err = UpdateDragHilite(_self->ob_itself,
updateRgn);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyMethodDef DragObj_methods[] = {
{"DisposeDrag", (PyCFunction)DragObj_DisposeDrag, 1,
"() -> None"},
{"AddDragItemFlavor", (PyCFunction)DragObj_AddDragItemFlavor, 1,
"(ItemReference theItemRef, FlavorType theType, Buffer dataPtr, FlavorFlags theFlags) -> None"},
{"SetDragItemFlavorData", (PyCFunction)DragObj_SetDragItemFlavorData, 1,
"(ItemReference theItemRef, FlavorType theType, Buffer dataPtr, UInt32 dataOffset) -> None"},
{"SetDragImage", (PyCFunction)DragObj_SetDragImage, 1,
"(PixMapHandle imagePixMap, RgnHandle imageRgn, Point imageOffsetPt, DragImageFlags theImageFlags) -> None"},
{"TrackDrag", (PyCFunction)DragObj_TrackDrag, 1,
"(EventRecord theEvent, RgnHandle theRegion) -> None"},
{"CountDragItems", (PyCFunction)DragObj_CountDragItems, 1,
"() -> (UInt16 numItems)"},
{"GetDragItemReferenceNumber", (PyCFunction)DragObj_GetDragItemReferenceNumber, 1,
"(UInt16 index) -> (ItemReference theItemRef)"},
{"CountDragItemFlavors", (PyCFunction)DragObj_CountDragItemFlavors, 1,
"(ItemReference theItemRef) -> (UInt16 numFlavors)"},
{"GetFlavorType", (PyCFunction)DragObj_GetFlavorType, 1,
"(ItemReference theItemRef, UInt16 index) -> (FlavorType theType)"},
{"GetFlavorFlags", (PyCFunction)DragObj_GetFlavorFlags, 1,
"(ItemReference theItemRef, FlavorType theType) -> (FlavorFlags theFlags)"},
{"GetFlavorDataSize", (PyCFunction)DragObj_GetFlavorDataSize, 1,
"(ItemReference theItemRef, FlavorType theType) -> (Size dataSize)"},
{"GetFlavorData", (PyCFunction)DragObj_GetFlavorData, 1,
"(ItemReference theItemRef, FlavorType theType, Buffer dataPtr, UInt32 dataOffset) -> (Buffer dataPtr)"},
{"GetDragItemBounds", (PyCFunction)DragObj_GetDragItemBounds, 1,
"(ItemReference theItemRef) -> (Rect itemBounds)"},
{"SetDragItemBounds", (PyCFunction)DragObj_SetDragItemBounds, 1,
"(ItemReference theItemRef, Rect itemBounds) -> None"},
{"GetDropLocation", (PyCFunction)DragObj_GetDropLocation, 1,
"() -> (AEDesc dropLocation)"},
{"SetDropLocation", (PyCFunction)DragObj_SetDropLocation, 1,
"(AEDesc dropLocation) -> None"},
{"GetDragAttributes", (PyCFunction)DragObj_GetDragAttributes, 1,
"() -> (DragAttributes flags)"},
{"GetDragMouse", (PyCFunction)DragObj_GetDragMouse, 1,
"() -> (Point mouse, Point globalPinnedMouse)"},
{"SetDragMouse", (PyCFunction)DragObj_SetDragMouse, 1,
"(Point globalPinnedMouse) -> None"},
{"GetDragOrigin", (PyCFunction)DragObj_GetDragOrigin, 1,
"() -> (Point globalInitialMouse)"},
{"GetDragModifiers", (PyCFunction)DragObj_GetDragModifiers, 1,
"() -> (SInt16 modifiers, SInt16 mouseDownModifiers, SInt16 mouseUpModifiers)"},
{"ShowDragHilite", (PyCFunction)DragObj_ShowDragHilite, 1,
"(RgnHandle hiliteFrame, Boolean inside) -> None"},
{"HideDragHilite", (PyCFunction)DragObj_HideDragHilite, 1,
"() -> None"},
{"DragPreScroll", (PyCFunction)DragObj_DragPreScroll, 1,
"(SInt16 dH, SInt16 dV) -> None"},
{"DragPostScroll", (PyCFunction)DragObj_DragPostScroll, 1,
"() -> None"},
{"UpdateDragHilite", (PyCFunction)DragObj_UpdateDragHilite, 1,
"(RgnHandle updateRgn) -> None"},
{NULL, NULL, 0}
};
PyMethodChain DragObj_chain = { DragObj_methods, NULL };
static PyObject *DragObj_getattr(self, name)
DragObjObject *self;
char *name;
{
return Py_FindMethodInChain(&DragObj_chain, (PyObject *)self, name);
}
#define DragObj_setattr NULL
#define DragObj_compare NULL
#define DragObj_repr NULL
#define DragObj_hash NULL
PyTypeObject DragObj_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0, /*ob_size*/
"DragObj", /*tp_name*/
sizeof(DragObjObject), /*tp_basicsize*/
0, /*tp_itemsize*/
/* methods */
(destructor) DragObj_dealloc, /*tp_dealloc*/
0, /*tp_print*/
(getattrfunc) DragObj_getattr, /*tp_getattr*/
(setattrfunc) DragObj_setattr, /*tp_setattr*/
(cmpfunc) DragObj_compare, /*tp_compare*/
(reprfunc) DragObj_repr, /*tp_repr*/
(PyNumberMethods *)0, /* tp_as_number */
(PySequenceMethods *)0, /* tp_as_sequence */
(PyMappingMethods *)0, /* tp_as_mapping */
(hashfunc) DragObj_hash, /*tp_hash*/
};
/* -------------------- End object type DragObj --------------------- */
static PyObject *Drag_NewDrag(_self, _args)
PyObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
DragReference theDrag;
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_err = NewDrag(&theDrag);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("O&",
DragObj_New, theDrag);
return _res;
}
static PyObject *Drag_GetDragHiliteColor(_self, _args)
PyObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
WindowPtr window;
RGBColor color;
if (!PyArg_ParseTuple(_args, "O&",
WinObj_Convert, &window))
return NULL;
_err = GetDragHiliteColor(window,
&color);
if (_err != noErr) return PyMac_Error(_err);
_res = Py_BuildValue("O&",
QdRGB_New, &color);
return _res;
}
static PyObject *Drag_WaitMouseMoved(_self, _args)
PyObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
Boolean _rv;
Point initialMouse;
if (!PyArg_ParseTuple(_args, "O&",
PyMac_GetPoint, &initialMouse))
return NULL;
_rv = WaitMouseMoved(initialMouse);
_res = Py_BuildValue("b",
_rv);
return _res;
}
static PyObject *Drag_ZoomRects(_self, _args)
PyObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
Rect fromRect;
Rect toRect;
SInt16 zoomSteps;
ZoomAcceleration acceleration;
if (!PyArg_ParseTuple(_args, "O&O&hh",
PyMac_GetRect, &fromRect,
PyMac_GetRect, &toRect,
&zoomSteps,
&acceleration))
return NULL;
_err = ZoomRects(&fromRect,
&toRect,
zoomSteps,
acceleration);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *Drag_ZoomRegion(_self, _args)
PyObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
OSErr _err;
RgnHandle region;
Point zoomDistance;
SInt16 zoomSteps;
ZoomAcceleration acceleration;
if (!PyArg_ParseTuple(_args, "O&O&hh",
ResObj_Convert, &region,
PyMac_GetPoint, &zoomDistance,
&zoomSteps,
&acceleration))
return NULL;
_err = ZoomRegion(region,
zoomDistance,
zoomSteps,
acceleration);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
static PyObject *Drag_InstallTrackingHandler(_self, _args)
PyObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
PyObject *callback;
WindowPtr theWindow = NULL;
OSErr _err;
if ( !PyArg_ParseTuple(_args, "O|O&", &callback, WinObj_Convert, &theWindow) )
return NULL;
Py_INCREF(callback); /* Cannot decref later, too bad */
_err = InstallTrackingHandler(dragglue_TrackingHandlerUPP, theWindow, (void *)callback);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Drag_InstallReceiveHandler(_self, _args)
PyObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
PyObject *callback;
WindowPtr theWindow = NULL;
OSErr _err;
if ( !PyArg_ParseTuple(_args, "O|O&", &callback, WinObj_Convert, &theWindow) )
return NULL;
Py_INCREF(callback); /* Cannot decref later, too bad */
_err = InstallReceiveHandler(dragglue_ReceiveHandlerUPP, theWindow, (void *)callback);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Drag_RemoveTrackingHandler(_self, _args)
PyObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
WindowPtr theWindow = NULL;
OSErr _err;
if ( !PyArg_ParseTuple(_args, "|O&", WinObj_Convert, &theWindow) )
return NULL;
_err = RemoveTrackingHandler(dragglue_TrackingHandlerUPP, theWindow);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *Drag_RemoveReceiveHandler(_self, _args)
PyObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
WindowPtr theWindow = NULL;
OSErr _err;
if ( !PyArg_ParseTuple(_args, "|O&", WinObj_Convert, &theWindow) )
return NULL;
_err = RemoveReceiveHandler(dragglue_ReceiveHandlerUPP, theWindow);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
return Py_None;
}
static PyMethodDef Drag_methods[] = {
{"NewDrag", (PyCFunction)Drag_NewDrag, 1,
"() -> (DragReference theDrag)"},
{"GetDragHiliteColor", (PyCFunction)Drag_GetDragHiliteColor, 1,
"(WindowPtr window) -> (RGBColor color)"},
{"WaitMouseMoved", (PyCFunction)Drag_WaitMouseMoved, 1,
"(Point initialMouse) -> (Boolean _rv)"},
{"ZoomRects", (PyCFunction)Drag_ZoomRects, 1,
"(Rect fromRect, Rect toRect, SInt16 zoomSteps, ZoomAcceleration acceleration) -> None"},
{"ZoomRegion", (PyCFunction)Drag_ZoomRegion, 1,
"(RgnHandle region, Point zoomDistance, SInt16 zoomSteps, ZoomAcceleration acceleration) -> None"},
{"InstallTrackingHandler", (PyCFunction)Drag_InstallTrackingHandler, 1,
NULL},
{"InstallReceiveHandler", (PyCFunction)Drag_InstallReceiveHandler, 1,
NULL},
{"RemoveTrackingHandler", (PyCFunction)Drag_RemoveTrackingHandler, 1,
NULL},
{"RemoveReceiveHandler", (PyCFunction)Drag_RemoveReceiveHandler, 1,
NULL},
{NULL, NULL, 0}
};
static pascal OSErr
dragglue_TrackingHandler(DragTrackingMessage theMessage, WindowPtr theWindow,
void *handlerRefCon, DragReference theDrag)
{
PyObject *args, *rv;
int i;
args = Py_BuildValue("hO&O&", theMessage, DragObj_New, theDrag, WinObj_WhichWindow, theWindow);
if ( args == NULL )
return -1;
rv = PyEval_CallObject((PyObject *)handlerRefCon, args);
Py_DECREF(args);
if ( rv == NULL ) {
fprintf(stderr, "Drag: Exception in TrackingHandler\n");
return -1;
}
i = -1;
if ( rv == Py_None )
i = 0;
else
PyArg_Parse(rv, "l", &i);
Py_DECREF(rv);
return i;
}
static pascal OSErr
dragglue_ReceiveHandler(WindowPtr theWindow, void *handlerRefCon,
DragReference theDrag)
{
PyObject *args, *rv;
int i;
args = Py_BuildValue("O&O&", DragObj_New, theDrag, WinObj_WhichWindow, theWindow);
if ( args == NULL )
return -1;
rv = PyEval_CallObject((PyObject *)handlerRefCon, args);
Py_DECREF(args);
if ( rv == NULL ) {
fprintf(stderr, "Drag: Exception in ReceiveHandler\n");
return -1;
}
i = -1;
if ( rv == Py_None )
i = 0;
else
PyArg_Parse(rv, "l", &i);
Py_DECREF(rv);
return i;
}
static pascal OSErr
dragglue_SendData(FlavorType theType, void *dragSendRefCon,
ItemReference theItem, DragReference theDrag)
{
DragObjObject *self = (DragObjObject *)dragSendRefCon;
PyObject *args, *rv;
int i;
if ( self->sendproc == NULL )
return -1;
args = Py_BuildValue("O&l", PyMac_BuildOSType, theType, theItem);
if ( args == NULL )
return -1;
rv = PyEval_CallObject(self->sendproc, args);
Py_DECREF(args);
if ( rv == NULL ) {
fprintf(stderr, "Drag: Exception in SendDataHandler\n");
return -1;
}
i = -1;
if ( rv == Py_None )
i = 0;
else
PyArg_Parse(rv, "l", &i);
Py_DECREF(rv);
return i;
}
#if 0
static pascal OSErr
dragglue_Input(Point *mouse, short *modifiers,
void *dragSendRefCon, DragReference theDrag)
{
return 0;
}
static pascal OSErr
dragglue_Drawing(xxxx
void *dragSendRefCon, DragReference theDrag)
{
return 0;
}
#endif
void initDrag()
{
PyObject *m;
PyObject *d;
m = Py_InitModule("Drag", Drag_methods);
d = PyModule_GetDict(m);
Drag_Error = PyMac_GetOSErrException();
if (Drag_Error == NULL ||
PyDict_SetItemString(d, "Error", Drag_Error) != 0)
Py_FatalError("can't initialize Drag.Error");
DragObj_Type.ob_type = &PyType_Type;
Py_INCREF(&DragObj_Type);
if (PyDict_SetItemString(d, "DragObjType", (PyObject *)&DragObj_Type) != 0)
Py_FatalError("can't initialize DragObjType");
dragglue_TrackingHandlerUPP = NewDragTrackingHandlerProc(dragglue_TrackingHandler);
dragglue_ReceiveHandlerUPP = NewDragReceiveHandlerProc(dragglue_ReceiveHandler);
dragglue_SendDataUPP = NewDragSendDataProc(dragglue_SendData);
#if 0
dragglue_InputUPP = NewDragInputProc(dragglue_Input);
dragglue_DrawingUPP = NewDragDrawingProc(dragglue_Drawing);
#endif
}
/* ======================== End module Drag ========================= */
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