wxWidgets/include/wx/gtk1/textctrl.h

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/gtk1/textctrl.h
// Purpose:
// Author: Robert Roebling
// Created: 01/02/97
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __GTKTEXTCTRLH__
#define __GTKTEXTCTRLH__
//-----------------------------------------------------------------------------
// wxTextCtrl
//-----------------------------------------------------------------------------
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 int GetLineLength(long lineNo) const;
virtual wxString GetLineText(long lineNo) const;
virtual int GetNumberOfLines() const;
virtual bool IsModified() const;
virtual bool IsEditable() const;
// If the return values from and to are the same, there is no selection.
virtual void GetSelection(long* from, long* to) const;
// operations
// ----------
// editing
virtual void Clear();
virtual void Replace(long from, long to, const wxString& value);
virtual void Remove(long from, long to);
// sets/clears the dirty flag
virtual void MarkDirty();
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.
virtual long XYToPosition(long x, long y) const;
virtual bool PositionToXY(long pos, long *x, long *y) const;
virtual void ShowPosition(long pos);
// Clipboard operations
virtual void Copy();
virtual void Cut();
virtual void Paste();
// Undo/redo
virtual void Undo();
virtual void Redo();
virtual bool CanUndo() const;
virtual bool CanRedo() const;
// Insertion point
virtual void SetInsertionPoint(long pos);
virtual void SetInsertionPointEnd();
virtual long GetInsertionPoint() const;
virtual wxTextPos GetLastPosition() const;
virtual void SetSelection(long from, long to);
virtual void SetEditable(bool editable);
virtual void DoEnable( bool enable );
// Implementation from now on
void OnDropFiles( wxDropFilesEvent &event );
void OnChar( wxKeyEvent &event );
void OnCut(wxCommandEvent& event);
void OnCopy(wxCommandEvent& event);
void OnPaste(wxCommandEvent& event);
void OnUndo(wxCommandEvent& event);
void OnRedo(wxCommandEvent& event);
void OnUpdateCut(wxUpdateUIEvent& event);
void OnUpdateCopy(wxUpdateUIEvent& event);
void OnUpdatePaste(wxUpdateUIEvent& event);
void OnUpdateUndo(wxUpdateUIEvent& event);
void OnUpdateRedo(wxUpdateUIEvent& event);
bool SetFont(const wxFont& font);
bool SetForegroundColour(const wxColour& colour);
bool SetBackgroundColour(const wxColour& colour);
GtkWidget* GetConnectWidget();
bool IsOwnGtkWindow( GdkWindow *window );
void DoApplyWidgetStyle(GtkRcStyle *style);
void CalculateScrollbar();
void OnInternalIdle();
void SetUpdateFont(bool update) { m_updateFont = update; }
void UpdateFontIfNeeded();
void SetModified() { m_modified = true; }
// 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 OnEnabled( bool enabled ) ;
// tell the control to ignore next text changed signal
void IgnoreNextTextUpdate();
// should we ignore the changed signal? always resets the flag
bool IgnoreTextUpdate();
static wxVisualAttributes
GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
protected:
virtual wxSize DoGetBestSize() const;
// common part of all ctors
void Init();
// overridden wxWindow methods
virtual void DoFreeze();
virtual void DoThaw();
// 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);
// 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);
virtual wxString DoGetValue() const;
private:
// change the font for everything in this control
void ChangeFontGlobally();
GtkWidget *m_text;
GtkWidget *m_vScrollbar;
bool m_modified:1;
bool m_vScrollbarVisible:1;
bool m_updateFont:1;
bool m_ignoreNextUpdate:1;
DECLARE_EVENT_TABLE()
DECLARE_DYNAMIC_CLASS(wxTextCtrl)
};
#endif // __GTKTEXTCTRLH__