Change GetC to return an int so that it can return wxEOF on error.

[wxWidgets.git] / include / wx / textctrl.h

diff --git a/include/wx/textctrl.h b/include/wx/textctrl.h
index 83dcaeecb4c6801c1d2b116215e3d666a8553835..fd6ad893171f9f91e4b3572c7ae854c93853505c 100644 (file)
--- a/include/wx/textctrl.h
+++ b/include/wx/textctrl.h
@@ -128,6 +128,12 @@ const wxTextCoord wxInvalidTextCoord    = -2;
 #define wxTE_CAPITALIZE     0
 #endif
 
+// ----------------------------------------------------------------------------
+// wxTextCtrl file types
+// ----------------------------------------------------------------------------
+
+#define wxTEXT_TYPE_ANY     0
+
 // ----------------------------------------------------------------------------
 // wxTextCtrl::HitTest return values
 // ----------------------------------------------------------------------------
@@ -286,13 +292,18 @@ public:
     // --------
 
     wxTextCtrlBase(){}
-    ~wxTextCtrlBase(){}
+    virtual ~wxTextCtrlBase(){}
 
     // accessors
     // ---------
 
     virtual wxString GetValue() const = 0;
-    virtual void SetValue(const wxString& value) = 0;
+    virtual bool IsEmpty() const { return GetValue().empty(); }
+
+    virtual void SetValue(const wxString& value)
+        { DoSetValue(value, SetValue_SendEvent); }
+    virtual void ChangeValue(const wxString& value)
+        { DoSetValue(value); }
 
     virtual wxString GetRange(long from, long to) const;
 
@@ -320,9 +331,13 @@ public:
     virtual void Replace(long from, long to, const wxString& value) = 0;
     virtual void Remove(long from, long to) = 0;
 
-    // load/save the controls contents from/to the file
-    virtual bool LoadFile(const wxString& file);
-    virtual bool SaveFile(const wxString& file = wxEmptyString);
+    // load/save the control's contents from/to a file
+    bool LoadFile(const wxString& file, int fileType = wxTEXT_TYPE_ANY) { return DoLoadFile(file, fileType); }
+    bool SaveFile(const wxString& file = wxEmptyString, int fileType = wxTEXT_TYPE_ANY);
+
+    // implementation for loading/saving
+    virtual bool DoLoadFile(const wxString& file, int fileType);
+    virtual bool DoSaveFile(const wxString& file, int fileType);
 
     // sets/clears the dirty flag
     virtual void MarkDirty() = 0;
@@ -408,6 +423,9 @@ public:
     wxTextCtrl& operator<<(double d);
     wxTextCtrl& operator<<(const wxChar c);
 
+    // generate the wxEVT_COMMAND_TEXT_UPDATED event, like SetValue() does
+    void SendTextUpdatedEvent();
+
     // do the window-specific processing after processing the update event
     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
 
@@ -419,6 +437,17 @@ protected:
     int overflow(int i);
 #endif // wxHAS_TEXT_WINDOW_STREAM
 
+    // flags for DoSetValue(): common part of SetValue() and ChangeValue() and
+    // also used to implement WriteText() in wxMSW
+    enum
+    {
+        SetValue_SendEvent = 1,
+        SetValue_SelectionOnly = 2
+    };
+
+    virtual void DoSetValue(const wxString& value, int flags = 0) = 0;
+
+
     // the name of the last file loaded with LoadFile() which will be used by
     // SaveFile() by default
     wxString m_filename;