Added convenient wxCmdLineParser::AddLong{Option,Switch}() wrappers.

The new functions simply call Add{Option,Switch}() with an empty first
argument but using them makes the code more readable.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69797 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -458,6 +458,7 @@ All:
 - Fix parsing of negated long options in wxCmdLineParser (roed_bis).
 - Fix crash in wxArray::insert() overload taking iterator range (wsu).
 - Added wxEventFilter class and wxEvtHandler::{Add,Remove}Filter().
+- Added convenient wxCmdLineParser::AddLong{Option,Switch}() wrappers.
 
 All (GUI):
 

include/wx/cmdline.h

@@ -183,12 +183,25 @@ public:
     void AddSwitch(const wxString& name, const wxString& lng = wxEmptyString,
                    const wxString& desc = wxEmptyString,
                    int flags = 0);
+    void AddLongSwitch(const wxString& lng,
+                       const wxString& desc = wxEmptyString,
+                       int flags = 0)
+    {
+        AddSwitch(wxString(), lng, desc, flags);
+    }
 
     // an option taking a value of the given type
     void AddOption(const wxString& name, const wxString& lng = wxEmptyString,
                    const wxString& desc = wxEmptyString,
                    wxCmdLineParamType type = wxCMD_LINE_VAL_STRING,
                    int flags = 0);
+    void AddLongOption(const wxString& lng,
+                       const wxString& desc = wxEmptyString,
+                       wxCmdLineParamType type = wxCMD_LINE_VAL_STRING,
+                       int flags = 0)
+    {
+        AddOption(wxString(), lng, desc, type, flags);
+    }
 
     // a parameter
     void AddParam(const wxString& desc = wxEmptyString,

interface/wx/cmdline.h

@@ -336,6 +336,32 @@ public:
     */
     ~wxCmdLineParser();
 
+    /**
+        Adds an option with only long form.
+
+        This is just a convenient wrapper for AddOption() passing an empty
+        string as short option name.
+
+        @since 2.9.3
+     */
+    void AddLongOption(const wxString& lng,
+                       const wxString& desc = wxEmptyString,
+                       wxCmdLineParamType type = wxCMD_LINE_VAL_STRING,
+                       int flags = 0);
+
+    /**
+        Adds a switch with only long form.
+
+        This is just a convenient wrapper for AddSwitch() passing an empty
+        string as short switch name.
+
+        @since 2.9.3
+     */
+
+    void AddLongSwitch(const wxString& lng,
+                       const wxString& desc = wxEmptyString,
+                       int flags = 0);
+
     /**
         Add an option @a name with an optional long name @a lng (no long name
         if it is empty, which is default) taking a value of the given type