Add wxFileType::GetExpandedCommand()

This new method allows to get the command expanded with the given file name
for commands other than "Open" and "Print".

Closes #17367.

include/wx/mimetype.h

@@ -353,6 +353,9 @@ public:
     // dtor (not virtual, shouldn't be derived from)
     ~wxFileType();
 
+    wxString
+    GetExpandedCommand(const wxString& verb,
+                       const wxFileType::MessageParameters& params) const;
 private:
     // default ctor is private because the user code never creates us
     wxFileType();

include/wx/msw/mimetype.h

@@ -42,9 +42,18 @@ public:
     bool GetIcon(wxIconLocation *iconLoc) const;
     bool GetDescription(wxString *desc) const;
     bool GetOpenCommand(wxString *openCmd,
-                        const wxFileType::MessageParameters& params) const;
+                        const wxFileType::MessageParameters& params) const
+    {
+        *openCmd = GetExpandedCommand(wxS("open"), params);
+        return !openCmd->empty();
+    }
+
     bool GetPrintCommand(wxString *printCmd,
-                         const wxFileType::MessageParameters& params) const;
+                         const wxFileType::MessageParameters& params) const
+    {
+        *printCmd = GetExpandedCommand(wxS("print"), params);
+        return !printCmd->empty();
+    }
 
     size_t GetAllCommands(wxArrayString * verbs, wxArrayString * commands,
                           const wxFileType::MessageParameters& params) const;
@@ -76,6 +85,9 @@ public:
     // explicitly.
     void MSWSuppressNotifications(bool supress);
 
+    wxString
+    GetExpandedCommand(const wxString& verb,
+                       const wxFileType::MessageParameters& params) const;
 private:
     // helper function: reads the command corresponding to the specified verb
     // from the registry (returns an empty string if not found)

include/wx/osx/core/mimetype.h

@@ -105,6 +105,9 @@ public:
     bool SetDefaultIcon(const wxString& strIcon = wxEmptyString, int index = 0);
     bool Unassociate(wxFileType *ft);
 
+    wxString
+    GetExpandedCommand(const wxString& verb,
+                       const wxFileType::MessageParameters& params) const;
 private:
 
     // All that is needed to query type info - UTI and pointer to the manager

include/wx/unix/mimetype.h

@@ -157,11 +157,10 @@ public:
     bool SetCommand(const wxString& cmd, const wxString& verb, bool overwriteprompt = true);
     bool SetDefaultIcon(const wxString& strIcon = wxEmptyString, int index = 0);
 
-private:
     wxString
     GetExpandedCommand(const wxString & verb,
                        const wxFileType::MessageParameters& params) const;
-
+private:
     wxMimeTypesManagerImpl *m_manager;
     wxArrayInt              m_index; // in the wxMimeTypesManagerImpl arrays
 };