///////////////////////////////////////////////////////////////////////////// // Name: wx/gtk/textctrl.h // Purpose: // Author: Robert Roebling // Created: 01/02/97 // Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef __GTKTEXTCTRLH__ #define __GTKTEXTCTRLH__ #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "textctrl.h" #endif //----------------------------------------------------------------------------- // wxTextCtrl //----------------------------------------------------------------------------- class 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); 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 wxString GetValue() const; virtual void SetValue(const wxString& value); 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); #ifdef __WXGTK20__ virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const; #endif // __WXGTK20__ // 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 long GetLastPosition() const; virtual void SetSelection(long from, long to); virtual void SetEditable(bool editable); virtual bool Enable( bool enable = TRUE ); // 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(); #ifdef __WXGTK20__ void SetUpdateFont(bool WXUNUSED(update)) { } #else // !__WXGTK20__ void SetUpdateFont(bool update) { m_updateFont = update; } void UpdateFontIfNeeded(); #endif // __WXGTK20__/!__WXGTK20__ 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(); static wxVisualAttributes GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL); 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); // Widgets that use the style->base colour for the BG colour should // override this and return true. virtual bool UseGTKStyleBase() const { return true; } 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; #ifndef __WXGTK20__ bool m_updateFont:1; #endif // !__WXGTK20__ bool m_ignoreNextUpdate:1; DECLARE_EVENT_TABLE() DECLARE_DYNAMIC_CLASS(wxTextCtrl); }; #endif // __GTKTEXTCTRLH__