check for self-assignment in operator=

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

diff --git a/include/wx/gtk/textctrl.h b/include/wx/gtk/textctrl.h
index b1867509f3374253c186d88813068c0453f43db5..a06a8a63455ab536b9b139a2693b91d239a5dea3 100644 (file)
--- a/include/wx/gtk/textctrl.h
+++ b/include/wx/gtk/textctrl.h
@@ -1,108 +1,226 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        textctrl.h
+// Name:        wx/gtk/textctrl.h

 // Purpose:
 // Author:      Robert Roebling
 // Created:     01/02/97
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Created:     01/02/97
 // Id:          $Id$

-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Copyright:   (c) 1998 Robert Roebling

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

+#ifndef _WX_GTK_TEXTCTRL_H_
+#define _WX_GTK_TEXTCTRL_H_

 
 

-#ifndef __GTKTEXTCTRLH__
-#define __GTKTEXTCTRLH__
+typedef struct _GtkTextMark GtkTextMark;

 
 

-#ifdef __GNUG__
-#pragma interface
-#endif
+//-----------------------------------------------------------------------------
+// wxTextCtrl
+//-----------------------------------------------------------------------------

 
 

-#include "wx/defs.h"
-#include "wx/object.h"
-#include "wx/string.h"
-#include "wx/control.h"
+class WXDLLIMPEXP_CORE wxTextCtrl: public wxTextCtrlBase
+{
+public:
+    wxTextCtrl() { Init(); }
+    wxTextCtrl(wxWindow *parent,
+               wxWindowID id,
+               const wxString &value = wxEmptyString,
+               const wxPoint &pos = wxDefaultPosition,
+               const wxSize &size = wxDefaultSize,
+               long style = 0,
+               const wxValidator& validator = wxDefaultValidator,
+               const wxString &name = wxTextCtrlNameStr);
+
+    virtual ~wxTextCtrl();
+
+    bool Create(wxWindow *parent,
+                wxWindowID id,
+                const wxString &value = wxEmptyString,
+                const wxPoint &pos = wxDefaultPosition,
+                const wxSize &size = wxDefaultSize,
+                long style = 0,
+                const wxValidator& validator = wxDefaultValidator,
+                const wxString &name = wxTextCtrlNameStr);
+
+    // implement base class pure virtuals
+    // ----------------------------------
+
+    virtual void WriteText(const wxString& text);
+    virtual wxString GetValue() const;
+    virtual bool IsEmpty() const;
+
+    virtual int GetLineLength(long lineNo) const;
+    virtual wxString GetLineText(long lineNo) const;
+    virtual int GetNumberOfLines() const;
+
+    virtual bool IsModified() const;
+    virtual bool IsEditable() const;
+
+    virtual void GetSelection(long* from, long* to) const;
+
+    virtual void Remove(long from, long to);
+
+    virtual void MarkDirty();
+    virtual void DiscardEdits();
+
+    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.
+    virtual long XYToPosition(long x, long y) const;
+    virtual bool PositionToXY(long pos, long *x, long *y) const;
+
+    virtual void ShowPosition(long pos);
+
+    virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;
+    virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
+                                            wxTextCoord *col,
+                                            wxTextCoord *row) const
+    {
+        return wxTextCtrlBase::HitTest(pt, col, row);
+    }
+
+    // Clipboard operations
+    virtual void Copy();
+    virtual void Cut();
+    virtual void Paste();
+
+    // Insertion point
+    virtual void SetInsertionPoint(long pos);
+    virtual long GetInsertionPoint() const;
+    virtual wxTextPos GetLastPosition() const;

 
 

-#if USE_IOSTREAMH
-#include <iostream.h>
-#else
-#include <iostream>
-#endif
+    virtual void SetSelection(long from, long to);
+    virtual void SetEditable(bool editable);

 
 

-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
+    // Overridden wxWindow methods
+    virtual void SetWindowStyleFlag( long style );
+    virtual bool Enable( bool enable = true );

 
 

-class wxTextCtrl;
+    // Implementation from now on
+    void OnDropFiles( wxDropFilesEvent &event );
+    void OnChar( wxKeyEvent &event );

 
 

-//-----------------------------------------------------------------------------
-// global data
-//-----------------------------------------------------------------------------
+    void OnCut(wxCommandEvent& event);
+    void OnCopy(wxCommandEvent& event);
+    void OnPaste(wxCommandEvent& event);
+    void OnUndo(wxCommandEvent& event);
+    void OnRedo(wxCommandEvent& event);

 
 

-extern const char *wxTextCtrlNameStr;
+    void OnUpdateCut(wxUpdateUIEvent& event);
+    void OnUpdateCopy(wxUpdateUIEvent& event);
+    void OnUpdatePaste(wxUpdateUIEvent& event);
+    void OnUpdateUndo(wxUpdateUIEvent& event);
+    void OnUpdateRedo(wxUpdateUIEvent& event);

 
 

-//-----------------------------------------------------------------------------
-//  wxTextCtrl
-//-----------------------------------------------------------------------------
+    bool SetFont(const wxFont& font);
+    bool SetForegroundColour(const wxColour& colour);
+    bool SetBackgroundColour(const wxColour& colour);

 
 

-class wxTextCtrl: public wxControl, public streambuf
-{
-  DECLARE_EVENT_TABLE()
-  DECLARE_DYNAMIC_CLASS(wxTextCtrl);
+    GtkWidget* GetConnectWidget();

 
 

-public:
-    wxTextCtrl();
-    wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value = "",
-      const wxPoint &pos = wxDefaultPosition, const wxSize &size = wxDefaultSize,
-      int style = 0, const wxString &name = wxTextCtrlNameStr );
-    bool Create( wxWindow *parent, wxWindowID id, const wxString &value = "",
-      const wxPoint &pos = wxDefaultPosition, const wxSize &size = wxDefaultSize,
-      int style = 0, const wxString &name = wxTextCtrlNameStr );
-    wxString GetValue() const;
-    void SetValue( const wxString &value );
-    void WriteText( const wxString &text );
-
-    bool LoadFile( const wxString &file );
-    bool SaveFile( const wxString &file );
-    bool IsModified() const { return m_modified; }
-    void SetModified() { m_modified = TRUE; }
-    void DiscardEdits() { m_modified = FALSE; }
-/*
-    wxString GetLineText( long lineNo ) const;
-    void OnDropFiles( wxDropFilesEvent &event );
-    long PositionToXY( long pos, long *x, long *y ) const;
-    long XYToPosition( long x, long y );
-    int GetNumberOfLines();
-*/
-    virtual void SetInsertionPoint( long pos );
-    virtual void SetInsertionPointEnd();
-    virtual void SetEditable( bool editable );
-    virtual void SetSelection( long from, long to );
-    void ShowPosition( long pos );
-    virtual long GetInsertionPoint() const;
-    virtual long GetLastPosition() const;
-    virtual void Remove( long from, long to );
-    virtual void Replace( long from, long to, const wxString &value );
-    void Cut();
-    void Copy();
-    void Paste();
-    void Delete();
+    void SetUpdateFont(bool WXUNUSED(update)) { }

 
 

-    void OnChar( wxKeyEvent &event );
+    // implementation only from now on
+
+    // tell the control to ignore next text changed signal
+    void IgnoreNextTextUpdate(int n = 1) { m_countUpdatesToIgnore = n; }
+
+    // should we ignore the changed signal? always resets the flag
+    bool IgnoreTextUpdate();
+
+    // call this to indicate that the control is about to be changed
+    // programmatically and so m_modified flag shouldn't be set
+    void DontMarkDirtyOnNextChange() { m_dontMarkDirty = true; }

 
 

-    int overflow(int i);
-    int sync();
-    int underflow();
+    // should we mark the control as dirty? always resets the flag
+    bool MarkDirtyOnChange();

 
 

-    wxTextCtrl& operator<<(const wxString& s);
-    wxTextCtrl& operator<<(int i);
-    wxTextCtrl& operator<<(long i);
-    wxTextCtrl& operator<<(float f);
-    wxTextCtrl& operator<<(double d);
-    wxTextCtrl& operator<<(const char c);
+    // always let GTK have mouse release events for multiline controls
+    virtual bool GTKProcessEvent(wxEvent& event) const;
+
+
+    static wxVisualAttributes
+    GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
+
+protected:
+    // wxGTK-specific: called recursively by Enable,
+    // to give widgets an oppprtunity to correct their colours after they
+    // have been changed by Enable
+    virtual void OnEnabled(bool enable);
+
+    // overridden wxWindow virtual methods
+    virtual wxSize DoGetBestSize() const;
+    virtual void DoApplyWidgetStyle(GtkRcStyle *style);
+    virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
+
+    virtual void DoFreeze();
+    virtual void DoThaw();
+
+    // common part of all ctors
+    void Init();
+
+    // Widgets that use the style->base colour for the BG colour should
+    // override this and return true.
+    virtual bool UseGTKStyleBase() const { return true; }
+
+    virtual void DoSetValue(const wxString &value, int flags = 0);
+
+    // wrappers hiding the differences between functions doing the same thing
+    // for GtkTextView and GtkEntry (all of them use current window style to
+    // set the given characteristic)
+    void GTKSetEditable();
+    void GTKSetVisibility();
+    void GTKSetActivatesDefault();
+    void GTKSetWrapMode();
+    void GTKSetJustification();

 
 private:
 
 private:

-  bool  m_modified;
-};
+    // overridden wxTextEntry virtual methods
+    virtual const wxWindow *GetEditableWindow() const { return this; }
+    virtual GtkEditable *GetEditable() const;
+    virtual void EnableTextChangedEvents(bool enable);

 
 

-#endif // __GTKTEXTCTRLH__
+    // change the font for everything in this control
+    void ChangeFontGlobally();

 
 

+    // get the encoding which is used in this control: this looks at our font
+    // and default style but not the current style (i.e. the style for the
+    // current position); returns wxFONTENCODING_SYSTEM if we have no specific
+    // encoding
+    wxFontEncoding GetTextEncoding() const;
+
+    // returns either m_text or m_buffer depending on whether the control is
+    // single- or multi-line; convenient for the GTK+ functions which work with
+    // both
+    void *GetTextObject() const
+    {
+        return IsMultiLine() ? static_cast<void *>(m_buffer)
+                             : static_cast<void *>(m_text);
+    }
+
+
+    // the widget used for single line controls
+    GtkWidget  *m_text;
+
+    bool        m_modified:1;
+    bool        m_dontMarkDirty:1;
+
+    int         m_countUpdatesToIgnore;
+
+    // Our text buffer. Convenient, and holds the buffer while using
+    // a dummy one when frozen
+    GtkTextBuffer *m_buffer;
+
+    GtkTextMark* m_showPositionOnThaw;
+
+    // For wxTE_AUTO_URL
+    void OnUrlMouseEvent(wxMouseEvent&);
+    GdkCursor *m_gdkHandCursor;
+    GdkCursor *m_gdkXTermCursor;
+
+    DECLARE_EVENT_TABLE()
+    DECLARE_DYNAMIC_CLASS(wxTextCtrl)
+};

 
 

+#endif // _WX_GTK_TEXTCTRL_H_