CMCore/inc/hgl/io/event/InputEvent.h
2022-01-24 18:56:05 +08:00

104 lines
2.9 KiB
C++

#ifndef HGL_IO_INPUT_EVENT_INCLUDE
#define HGL_IO_INPUT_EVENT_INCLUDE
#include<hgl/type/Sets.h>
#include<hgl/io/event/InputEventSource.h>
namespace hgl
{
namespace io
{
struct EventHeader
{
uint8 type; ///<输入源类型
uint8 index; ///<输入源索引(比如同一设备有多个)
uint16 id; ///<事件id
};
constexpr size_t EventHeaderBytes=sizeof(EventHeader);
/**
* 事件处理结果
*/
enum class EventProcResult
{
Continue,
Break,
};
class InputEvent
{
protected:
InputEventSource source_type;
Sets<InputEvent *> sub_event_proc[size_t(InputEventSource::RANGE_SIZE)];
public:
const InputEventSource GetInputEventSource()const{return source_type;}
virtual EventProcResult OnEvent(const EventHeader &header,const uint64 data)
{
if(!RangeCheck((InputEventSource)header.type))
return(EventProcResult::Break);
if(sub_event_proc[header.type].GetCount()>0)
{
for(InputEvent *ie:sub_event_proc[header.type])
if(ie->OnEvent(header,data)==EventProcResult::Break)
return EventProcResult::Break;
if(sub_event_proc[size_t(InputEventSource::Root)].GetCount()>0
&&InputEventSource(header.type)!=InputEventSource::Root)
{
for(InputEvent *ie:sub_event_proc[size_t(InputEventSource::Root)])
if(ie->OnEvent(header,data)==EventProcResult::Break)
return EventProcResult::Break;
}
}
return(EventProcResult::Continue);
}
public:
InputEvent()
{
source_type=InputEventSource::Root;
}
InputEvent(InputEventSource ies)
{
source_type=ies;
}
virtual ~InputEvent()=default;
virtual bool Join(InputEvent *ie)
{
if(!ie)
return(false);
const InputEventSource ies=ie->GetInputEventSource();
if(!RangeCheck(ies))
return(false);
return(sub_event_proc[size_t(ies)].Add(ie)!=-1);
}
bool Unjoin(InputEvent *ie)
{
if(!ie)return(false);
const InputEventSource ies=ie->GetInputEventSource();
if(!RangeCheck(ies))
return(false);
return sub_event_proc[size_t(ies)].Delete(ie);
}
};//class InputEvent
}//namespace io
}//namespace hgl
#endif//HGL_IO_INPUT_EVENT_INCLUDE