1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
#ifndef _SVC_DROPTARGET_H
#define _SVC_DROPTARGET_H
#include <bfc/dispatch.h>
#include <api/service/services.h>
class DragInterface; // see bfc/drag.h
class NOVTABLE svc_dropTarget : public Dispatchable
{
public:
static FOURCC getServiceType() { return WaSvc::DROPTARGET; }
int testTarget(FOURCC type);
DragInterface *getDragInterfaceForType(FOURCC type);
int releaseDragInterface(DragInterface *di);
protected:
enum {
TESTTARGET=100,
GETDRAGINTERFACEFORTYPE=200,
RELEASEDRAGINTERFACE=210,
};
};
inline
int svc_dropTarget::testTarget(FOURCC type) {
return _call(TESTTARGET, 0, type);
}
inline
DragInterface *svc_dropTarget::getDragInterfaceForType(FOURCC type) {
return _call(GETDRAGINTERFACEFORTYPE, (DragInterface*)NULL, type);
}
inline
int svc_dropTarget::releaseDragInterface(DragInterface *di) {
return _call(RELEASEDRAGINTERFACE, 0, di);
}
class svc_dropTargetI : public svc_dropTarget {
public:
virtual int testTarget(FOURCC type)=0;
virtual DragInterface *getDragInterfaceForType(FOURCC type)=0;
virtual int releaseDragInterface(DragInterface *di)=0;
protected:
RECVS_DISPATCH;
};
#include <api/service/servicei.h>
template <class T>
class DropTargetCreator : public waServiceFactoryTSingle<svc_dropTarget, T> { };
#include <api/service/svc_enum.h>
#include <api/wnd/drag.h>
class DropTargetEnum : public SvcEnumT<svc_dropTarget> {
public:
DropTargetEnum(FOURCC type) : dt_type(type) {}
static int throwDrop(FOURCC type, ifc_window *sourceWnd, int x=0, int y=0) {
DropTargetEnum dte(type);
svc_dropTarget *sdt = dte.getFirst();
if (sdt == NULL) return 0;
DragInterface *di = sdt->getDragInterfaceForType(type);
int r = 0;
if (di != NULL) r = di->dragDrop(sourceWnd, 0, 0);
sdt->releaseDragInterface(di);
return r;
}
protected:
virtual int testService(svc_dropTarget *svc) {
return (svc->testTarget(dt_type));
}
private:
FOURCC dt_type;
};
#endif
|
