83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
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#ifndef _SVC_DROPTARGET_H
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#define _SVC_DROPTARGET_H
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#include <bfc/dispatch.h>
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#include <api/service/services.h>
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class DragInterface; // see bfc/drag.h
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class NOVTABLE svc_dropTarget : public Dispatchable
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{
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public:
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static FOURCC getServiceType() { return WaSvc::DROPTARGET; }
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int testTarget(FOURCC type);
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DragInterface *getDragInterfaceForType(FOURCC type);
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int releaseDragInterface(DragInterface *di);
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protected:
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enum {
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TESTTARGET=100,
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GETDRAGINTERFACEFORTYPE=200,
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RELEASEDRAGINTERFACE=210,
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};
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};
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inline
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int svc_dropTarget::testTarget(FOURCC type) {
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return _call(TESTTARGET, 0, type);
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}
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inline
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DragInterface *svc_dropTarget::getDragInterfaceForType(FOURCC type) {
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return _call(GETDRAGINTERFACEFORTYPE, (DragInterface*)NULL, type);
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}
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inline
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int svc_dropTarget::releaseDragInterface(DragInterface *di) {
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return _call(RELEASEDRAGINTERFACE, 0, di);
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}
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class svc_dropTargetI : public svc_dropTarget {
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public:
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virtual int testTarget(FOURCC type)=0;
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virtual DragInterface *getDragInterfaceForType(FOURCC type)=0;
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virtual int releaseDragInterface(DragInterface *di)=0;
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protected:
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RECVS_DISPATCH;
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};
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#include <api/service/servicei.h>
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template <class T>
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class DropTargetCreator : public waServiceFactoryTSingle<svc_dropTarget, T> { };
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#include <api/service/svc_enum.h>
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#include <api/wnd/drag.h>
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class DropTargetEnum : public SvcEnumT<svc_dropTarget> {
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public:
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DropTargetEnum(FOURCC type) : dt_type(type) {}
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static int throwDrop(FOURCC type, ifc_window *sourceWnd, int x=0, int y=0) {
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DropTargetEnum dte(type);
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svc_dropTarget *sdt = dte.getFirst();
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if (sdt == NULL) return 0;
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DragInterface *di = sdt->getDragInterfaceForType(type);
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int r = 0;
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if (di != NULL) r = di->dragDrop(sourceWnd, 0, 0);
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sdt->releaseDragInterface(di);
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return r;
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}
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protected:
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virtual int testService(svc_dropTarget *svc) {
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return (svc->testTarget(dt_type));
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}
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private:
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FOURCC dt_type;
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};
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#endif
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