OS/2 scrolling support

[wxWidgets.git] / include / wx / gtk1 / textctrl.h

diff --git a/include/wx/gtk1/textctrl.h b/include/wx/gtk1/textctrl.h
index 0a529c6a2789f32d728084d8eed4bd8d3d5cce72..34df4e683955ed14a4513af698039131327aa4d3 100644 (file)
--- a/include/wx/gtk1/textctrl.h
+++ b/include/wx/gtk1/textctrl.h
@@ -74,11 +74,17 @@ public:
     // clears the dirty flag
     virtual void DiscardEdits();
 
+    virtual void SetMaxLength(unsigned long len);
+
     // writing text inserts it at the current position, appending always
     // inserts it at the end
     virtual void WriteText(const wxString& text);
     virtual void AppendText(const wxString& text);
 
+    // apply text attribute to the range of text (only works with richedit
+    // controls)
+    virtual bool SetStyle(long start, long end, const wxTextAttr& style);
+
     // translate between the position (which is just an index in the text ctrl
     // considering all its contents as a single strings) and (x, y) coordinates
     // which represent column and line.
@@ -92,10 +98,6 @@ public:
     virtual void Cut();
     virtual void Paste();
 
-    virtual bool CanCopy() const;
-    virtual bool CanCut() const;
-    virtual bool CanPaste() const;
-
     // Undo/redo
     virtual void Undo();
     virtual void Redo();
@@ -130,9 +132,9 @@ public:
     void OnUpdateUndo(wxUpdateUIEvent& event);
     void OnUpdateRedo(wxUpdateUIEvent& event);
 
-    bool SetFont( const wxFont &font );
-    bool SetForegroundColour(const wxColour &colour);
-    bool SetBackgroundColour(const wxColour &colour);
+    bool SetFont(const wxFont& font);
+    bool SetForegroundColour(const wxColour& colour);
+    bool SetBackgroundColour(const wxColour& colour);
 
     GtkWidget* GetConnectWidget();
     bool IsOwnGtkWindow( GdkWindow *window );
@@ -143,26 +145,52 @@ public:
 
     void SetModified() { m_modified = TRUE; }
 
+    // GTK+ textctrl is so dumb that you need to freeze/thaw it manually to
+    // avoid horrible flicker/scrolling back and forth
+    virtual void Freeze();
+    virtual void Thaw();
+
+    // textctrl specific scrolling
+    virtual bool ScrollLines(int lines);
+    virtual bool ScrollPages(int pages);
+
+    // implementation only from now on
+
     // wxGTK-specific: called recursively by Enable,
     // to give widgets an oppprtunity to correct their colours after they
     // have been changed by Enable
     virtual void OnParentEnable( bool enable ) ;
 
+    // tell the control to ignore next text changed signal
+    void IgnoreNextTextUpdate();
+
+    // should we ignore the changed signal? always resets the flag
+    bool IgnoreTextUpdate();
+
 protected:
     virtual wxSize DoGetBestSize() const;
 
     // common part of all ctors
     void Init();
 
+    // get the vertical adjustment, if any, NULL otherwise
+    GtkAdjustment *GetVAdj() const;
+
+    // scroll the control by the given number of pixels, return true if the
+    // scroll position changed
+    bool DoScroll(GtkAdjustment *adj, int diff);
+
 private:
     // change the font for everything in this control
     void ChangeFontGlobally();
 
-    bool        m_modified;
     GtkWidget  *m_text;
     GtkWidget  *m_vScrollbar;
-    bool        m_vScrollbarVisible;
-    bool        m_updateFont;
+
+    bool        m_modified:1;
+    bool        m_vScrollbarVisible:1;
+    bool        m_updateFont:1;
+    bool        m_ignoreNextUpdate:1;
 
     DECLARE_EVENT_TABLE()
     DECLARE_DYNAMIC_CLASS(wxTextCtrl);