debug：调试了一下filehandle，大致了解了使用原理。

.vscode/settings.json

@@ -96,6 +96,14 @@
         "xutility": "cpp",
         "mutex": "cpp",
         "array": "cpp",
-        "chrono": "cpp"
+        "chrono": "cpp",
+        "condition_variable": "cpp",
+        "forward_list": "cpp",
+        "iomanip": "cpp",
+        "ratio": "cpp",
+        "shared_mutex": "cpp",
+        "sstream": "cpp",
+        "stop_token": "cpp",
+        "thread": "cpp"
     }
 }

gui/CMakeLists.txt

@@ -16,6 +16,8 @@ mainpanel.h
 mainpanel.cxx
 modeDirCtrl.h
 modeDirCtrl.cxx
+transmhandler.h
+transmhandler.cxx
 )
 
 add_executable(gtransm ${PSOURCES})

gui/modeDirCtrl.cxx

@@ -2,6 +2,13 @@
 
 CModeDirCtrl::CModeDirCtrl(wxWindow* parent, wxWindowID id) : wxGenericDirCtrl(parent, id)
 {
+    wxFileSystem::AddHandler(new CTransmHandler());
+    wxFileSystem::AddHandler(new wxLocalFSHandler());
+    wxFileSystem fs;
+    wxFSFile* f = fs.OpenFile("transm://D:/test.txt");
+    if (f == nullptr) {
+        wxLogError("Cannot open file");
+    }
 }
 
 CModeDirCtrl::~CModeDirCtrl()

gui/modeDirCtrl.h

@@ -1,13 +1,18 @@
 #ifndef MODEDIRCTRL_H
 #define MODEDIRCTRL_H
 
-#include <wx/wx.h>
+#include "transmhandler.h"
 #include <wx/dirctrl.h>
+#include <wx/wx.h>
 
-class CModeDirCtrl : public wxGenericDirCtrl {
+class CModeDirCtrl : public wxGenericDirCtrl
+{
 public:
     CModeDirCtrl(wxWindow* parent, wxWindowID id = wxID_ANY);
     ~CModeDirCtrl();
+
+protected:
+    // void OnExpandItem(wxTreeEvent& event) override;
 };
 
 #endif   // MODEDIRCTRL_H

gui/transmhandler.cxx

@@ -0,0 +1,22 @@
+#include "transmhandler.h"
+
+CTransmHandler::CTransmHandler()
+{
+    file_ = std::make_shared<CTransmFile>();
+}
+
+wxFSFile* CTransmHandler::OpenFile(wxFileSystem& fs, const wxString& name)
+{
+    int a = 0;
+    return nullptr;
+}
+
+bool CTransmHandler::CanOpen(const wxString& location)
+{
+    return location.StartsWith(wxT("transm://"));
+}
+
+wxString CTransmHandler::FindFirst(const wxString& spec, int flags)
+{
+    return wxString();
+}

gui/transmhandler.h

@@ -0,0 +1,22 @@
+#ifndef FILEHANDLER_H
+#define FILEHANDLER_H
+
+#include <transmfile.h>
+#include <wx/filesys.h>
+#include <wx/wx.h>
+
+class CTransmHandler : public wxFileSystemHandler
+{
+public:
+    CTransmHandler();
+
+public:
+    wxFSFile* OpenFile(wxFileSystem& fs, const wxString& name) override;
+    bool CanOpen(const wxString& location) override;
+    wxString FindFirst(const wxString& spec, int flags = 0) override;
+
+private:
+    std::shared_ptr<CTransmFile> file_;
+};
+
+#endif   // FILEHANDLER_H

protocol/CMakeLists.txt

@@ -4,16 +4,15 @@ project(protocol LANGUAGES CXX)
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
+find_package(wxWidgets CONFIG REQUIRED) 
+
 set(PSOURCES
-filebase.h
-filebase.cxx 
+transmfile.h
+transmfile.cxx 
 communicate.h
 communicate.cxx
-fileimp/localfile.h
-fileimp/localfile.cxx
-fileimp/remotefile.h
-fileimp/remotefile.cxx
 )
 
 add_library(protocol STATIC ${PSOURCES})
+target_link_libraries(protocol PRIVATE wx::base)
 target_include_directories(protocol PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

protocol/filebase.cxx

@@ -1,27 +0,0 @@
-#include "filebase.h"
-#include "fileimp/localfile.h"
-#include "fileimp/remotefile.h"
-
-CFileBase::CFileBase()
-{
-}
-
-CFileBase::~CFileBase()
-{
-}
-
-std::shared_ptr<CFileBase> CFileBase::Instance(FileOperType type)
-{
-    std::shared_ptr<CFileBase> ret = nullptr;
-    switch (type) {
-    case TYPE_LOCAL:
-        ret = std::make_shared<CLocalFile>();
-        break;
-    case TYPE_REMOTE:
-        ret = std::make_shared<CRemoteFile>();
-        break;
-    default:
-        break;
-    }
-    return ret;
-}

protocol/filebase.h

@@ -1,24 +0,0 @@
-#ifndef FILEBASE_H
-#define FILEBASE_H
-
-#include <memory>
-
-enum FileOperType {
-    TYPE_LOCAL,
-    TYPE_REMOTE
-};
-
-class CFileBase
-{
-public:
-    CFileBase();
-    virtual ~CFileBase();
-
-public:
-    virtual bool Open(const char* filename) = 0;
-
-public:
-    static std::shared_ptr<CFileBase> Instance(FileOperType type);
-};
-
-#endif   // FILEBASE_H

protocol/fileimp/localfile.cxx

@@ -1,14 +0,0 @@
-#include "localfile.h"
-
-CLocalFile::CLocalFile()
-{
-}
-
-CLocalFile::~CLocalFile()
-{
-}
-
-bool CLocalFile::Open(const char* filename)
-{
-    return false;
-}

protocol/fileimp/localfile.h

@@ -1,16 +0,0 @@
-#ifndef LOCALFILE_H
-#define LOCALFILE_H
-
-#include "../filebase.h"
-
-class CLocalFile : public CFileBase
-{
-public:
-    CLocalFile();
-    ~CLocalFile();
-
-public:
-    bool Open(const char* filename) override;
-};
-
-#endif   // LOCALFILE_H

protocol/fileimp/remotefile.cxx

@@ -1,14 +0,0 @@
-#include "remotefile.h"
-
-CRemoteFile::CRemoteFile()
-{
-}
-
-CRemoteFile::~CRemoteFile()
-{
-}
-
-bool CRemoteFile::Open(const char* filename)
-{
-    return false;
-}

protocol/fileimp/remotefile.h

@@ -1,16 +0,0 @@
-#ifndef REMOTE_H
-#define REMOTE_H
-
-#include "../filebase.h"
-
-class CRemoteFile : public CFileBase
-{
-public:
-    CRemoteFile();
-    ~CRemoteFile();
-
-public:
-    bool Open(const char* filename) override;
-};
-
-#endif   // REMOTE_H

protocol/transmfile.cxx

@@ -0,0 +1,13 @@
+#include "transmfile.h"
+
+CTransmFile::CTransmFile()
+{
+}
+
+CTransmFile::~CTransmFile()
+{
+}
+
+void CTransmFile::SetRemoteIpPort(const wxString& remote_ip, int remote_port)
+{
+}

protocol/transmfile.h

@@ -0,0 +1,22 @@
+#ifndef FILEBASE_H
+#define FILEBASE_H
+
+#include <memory>
+#include <vector>
+#include <wx/wx.h>
+
+class CTransmFile
+{
+public:
+    CTransmFile();
+    ~CTransmFile();
+
+public:
+    void SetRemoteIpPort(const wxString& remote_ip, int remote_port);
+
+protected:
+    wxString remote_ip_{};
+    int remote_port_{9898};
+};
+
+#endif   // FILEBASE_Ha