Finally fixed control scrolling

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

diff --git a/include/wx/textctrl.h b/include/wx/textctrl.h
index aa37d4ba96afcc4fdbc90c4a475859f3ed53cf0a..1314ef112fcc21f7feca02073238c42a1833af1b 100644 (file)
--- a/include/wx/textctrl.h
+++ b/include/wx/textctrl.h
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        textctrl.h
+// Name:        wx/textctrl.h
 // Purpose:     wxTextCtrlBase class - the interface of wxTextCtrl
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -39,11 +39,6 @@
     #define wxHAS_TEXT_WINDOW_STREAM 0
 #endif
 
-#if WXWIN_COMPATIBILITY_2_4 && !wxHAS_TEXT_WINDOW_STREAM
-    // define old flag if one could use it somewhere
-    #define NO_TEXT_WINDOW_STREAM
-#endif
-
 class WXDLLEXPORT wxTextCtrl;
 class WXDLLEXPORT wxTextCtrlBase;
 
@@ -73,10 +68,6 @@ const wxTextCoord wxInvalidTextCoord    = -2;
 // wxTextCtrl style flags
 // ----------------------------------------------------------------------------
 
-// the flag bit 0x0001 s free but should be used only for the things which
-// don't make sense for a text control used by wxTextEntryDialog because they
-// would otherwise conflict with wxOK, wxCANCEL, wxCENTRE
-
 #define wxTE_NO_VSCROLL     0x0002
 #define wxTE_AUTO_SCROLL    0x0008
 
@@ -116,8 +107,10 @@ const wxTextCoord wxInvalidTextCoord    = -2;
 #define wxTE_WORDWRAP       0x0001  // wrap only at words boundaries
 #define wxTE_BESTWRAP       0x0000  // this is the default
 
-// obsolete synonym
-#define wxTE_LINEWRAP       wxTE_CHARWRAP
+#if WXWIN_COMPATIBILITY_2_6
+    // obsolete synonym
+    #define wxTE_LINEWRAP       wxTE_CHARWRAP
+#endif // WXWIN_COMPATIBILITY_2_6
 
 // force using RichEdit version 2.0 or 3.0 instead of 1.0 (default) for
 // wxTE_RICH controls - can be used together with or instead of wxTE_RICH
@@ -130,6 +123,12 @@ const wxTextCoord wxInvalidTextCoord    = -2;
 #define wxTE_CAPITALIZE     0
 #endif
 
+// ----------------------------------------------------------------------------
+// wxTextCtrl file types
+// ----------------------------------------------------------------------------
+
+#define wxTEXT_TYPE_ANY     0
+
 // ----------------------------------------------------------------------------
 // wxTextCtrl::HitTest return values
 // ----------------------------------------------------------------------------
@@ -195,6 +194,22 @@ public:
     // operations
     void Init();
 
+    // merges the attributes of the base and the overlay objects and returns
+    // the result; the parameter attributes take precedence
+    //
+    // WARNING: the order of arguments is the opposite of Combine()
+    static wxTextAttr Merge(const wxTextAttr& base, const wxTextAttr& overlay)
+    {
+        return Combine(overlay, base, NULL);
+    }
+
+    // merges the attributes of this object and overlay
+    void Merge(const wxTextAttr& overlay)
+    {
+        *this = Merge(*this, overlay);
+    }
+
+
     // operators
     void operator= (const wxTextAttr& attr);
 
@@ -272,13 +287,18 @@ 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;
 
@@ -306,13 +326,24 @@ 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;
     virtual void DiscardEdits() = 0;
+    void SetModified(bool modified)
+    {
+        if ( modified )
+            MarkDirty();
+        else
+            DiscardEdits();
+    }
 
     // set the max number of characters which may be entered in a single line
     // text control
@@ -378,11 +409,6 @@ public:
     virtual void SelectAll();
     virtual void SetEditable(bool editable) = 0;
 
-    // override streambuf method
-#if wxHAS_TEXT_WINDOW_STREAM
-    int overflow(int i);
-#endif // wxHAS_TEXT_WINDOW_STREAM
-
     // stream-like insertion operators: these are always available, whether we
     // were, or not, compiled with streambuf support
     wxTextCtrl& operator<<(const wxString& s);
@@ -392,12 +418,31 @@ 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);
 
     virtual bool ShouldInheritColours() const { return false; }
 
 protected:
+    // override streambuf method
+#if wxHAS_TEXT_WINDOW_STREAM
+    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;
@@ -406,6 +451,7 @@ protected:
     wxTextAttr m_defaultStyle;
 
     DECLARE_NO_COPY_CLASS(wxTextCtrlBase)
+    DECLARE_ABSTRACT_CLASS(wxTextCtrlBase)
 };
 
 // ----------------------------------------------------------------------------