added files of io/event

2022-01-24 18:56:05 +08:00
parent caaefe206b
commit b6f37bef87
7 changed files with 638 additions and 1 deletions
--- a/inc/hgl/io/event/InputEvent.h
+++ b/inc/hgl/io/event/InputEvent.h
@@ -0,0 +1,104 @@
+#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;      ///<<3C><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>
+            uint8 index;     ///<<3C><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD>ͬһ<CDAC>豸<EFBFBD>ж<EFBFBD><D0B6><EFBFBD>)
+            uint16 id;       ///<<3C>¼<EFBFBD>id
+        };
+
+        constexpr size_t EventHeaderBytes=sizeof(EventHeader);
+
+        /**
+         * <20>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+         */
+        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