include/wx/generic/srchctlg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/generic/srchctlg.h
   3 // Purpose:     generic wxSearchCtrl class
   4 // Author:      Vince Harron
   5 // Created:     2006-02-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   Vince Harron
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_GENERIC_SEARCHCTRL_H_
  12 #define _WX_GENERIC_SEARCHCTRL_H_
  13
  14 #if wxUSE_SEARCHCTRL
  15
  16 #include "wx/bitmap.h"
  17
  18 class WXDLLEXPORT wxSearchButton;
  19 class WXDLLEXPORT wxSearchTextCtrl;
  20
  21 // ----------------------------------------------------------------------------
  22 // wxSearchCtrl is a combination of wxTextCtrl and wxSearchButton
  23 // ----------------------------------------------------------------------------
  24
  25 class WXDLLEXPORT wxSearchCtrl : public wxSearchCtrlBase
  26 {
  27 public:
  28     // creation
  29     // --------
  30
  31     wxSearchCtrl();
  32     wxSearchCtrl(wxWindow *parent, wxWindowID id,
  33                const wxString& value = wxEmptyString,
  34                const wxPoint& pos = wxDefaultPosition,
  35                const wxSize& size = wxDefaultSize,
  36                long style = 0,
  37                const wxValidator& validator = wxDefaultValidator,
  38                const wxString& name = wxSearchCtrlNameStr);
  39
  40     virtual ~wxSearchCtrl();
  41
  42     bool Create(wxWindow *parent, wxWindowID id,
  43                 const wxString& value = wxEmptyString,
  44                 const wxPoint& pos = wxDefaultPosition,
  45                 const wxSize& size = wxDefaultSize,
  46                 long style = 0,
  47                 const wxValidator& validator = wxDefaultValidator,
  48                 const wxString& name = wxSearchCtrlNameStr);
  49
  50     // get/set search button menu
  51     // --------------------------
  52     virtual void SetMenu( wxMenu* menu );
  53     virtual wxMenu* GetMenu();
  54
  55     // get/set search options
  56     // ----------------------
  57     virtual void ShowSearchButton( bool show );
  58     virtual bool IsSearchButtonVisible() const;
  59
  60     virtual void ShowCancelButton( bool show );
  61     virtual bool IsCancelButtonVisible() const;
  62
  63     // accessors
  64     // ---------
  65
  66     virtual wxString GetValue() const;
  67     virtual void SetValue(const wxString& value);
  68
  69     virtual wxString GetRange(long from, long to) const;
  70
  71     virtual int GetLineLength(long lineNo) const;
  72     virtual wxString GetLineText(long lineNo) const;
  73     virtual int GetNumberOfLines() const;
  74
  75     virtual bool IsModified() const;
  76     virtual bool IsEditable() const;
  77
  78     // more readable flag testing methods
  79     virtual bool IsSingleLine() const;
  80     virtual bool IsMultiLine() const;
  81
  82     // If the return values from and to are the same, there is no selection.
  83     virtual void GetSelection(long* from, long* to) const;
  84
  85     virtual wxString GetStringSelection() const;
  86
  87     // operations
  88     // ----------
  89
  90     // editing
  91     virtual void Clear();
  92     virtual void Replace(long from, long to, const wxString& value);
  93     virtual void Remove(long from, long to);
  94
  95     // load/save the controls contents from/to the file
  96     virtual bool LoadFile(const wxString& file);
  97     virtual bool SaveFile(const wxString& file = wxEmptyString);
  98
  99     // sets/clears the dirty flag
 100     virtual void MarkDirty();
 101     virtual void DiscardEdits();
 102
 103     // set the max number of characters which may be entered in a single line
 104     // text control
 105     virtual void SetMaxLength(unsigned long WXUNUSED(len));
 106
 107     // writing text inserts it at the current position, appending always
 108     // inserts it at the end
 109     virtual void WriteText(const wxString& text);
 110     virtual void AppendText(const wxString& text);
 111
 112     // insert the character which would have resulted from this key event,
 113     // return true if anything has been inserted
 114     virtual bool EmulateKeyPress(const wxKeyEvent& event);
 115
 116     // text control under some platforms supports the text styles: these
 117     // methods allow to apply the given text style to the given selection or to
 118     // set/get the style which will be used for all appended text
 119     virtual bool SetStyle(long start, long end, const wxTextAttr& style);
 120     virtual bool GetStyle(long position, wxTextAttr& style);
 121     virtual bool SetDefaultStyle(const wxTextAttr& style);
 122     virtual const wxTextAttr& GetDefaultStyle() const;
 123
 124     // translate between the position (which is just an index in the text ctrl
 125     // considering all its contents as a single strings) and (x, y) coordinates
 126     // which represent column and line.
 127     virtual long XYToPosition(long x, long y) const;
 128     virtual bool PositionToXY(long pos, long *x, long *y) const;
 129
 130     virtual void ShowPosition(long pos);
 131
 132     // find the character at position given in pixels
 133     //
 134     // NB: pt is in device coords (not adjusted for the client area origin nor
 135     //     scrolling)
 136     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;
 137     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
 138                                             wxTextCoord *col,
 139                                             wxTextCoord *row) const;
 140
 141     // Clipboard operations
 142     virtual void Copy();
 143     virtual void Cut();
 144     virtual void Paste();
 145
 146     virtual bool CanCopy() const;
 147     virtual bool CanCut() const;
 148     virtual bool CanPaste() const;
 149
 150     // Undo/redo
 151     virtual void Undo();
 152     virtual void Redo();
 153
 154     virtual bool CanUndo() const;
 155     virtual bool CanRedo() const;
 156
 157     // Insertion point
 158     virtual void SetInsertionPoint(long pos);
 159     virtual void SetInsertionPointEnd();
 160     virtual long GetInsertionPoint() const;
 161     virtual wxTextPos GetLastPosition() const;
 162
 163     virtual void SetSelection(long from, long to);
 164     virtual void SelectAll();
 165     virtual void SetEditable(bool editable);
 166
 167 #if 0
 168
 169     // override streambuf method
 170 #if wxHAS_TEXT_WINDOW_STREAM
 171     int overflow(int i);
 172 #endif // wxHAS_TEXT_WINDOW_STREAM
 173
 174     // stream-like insertion operators: these are always available, whether we
 175     // were, or not, compiled with streambuf support
 176     wxTextCtrl& operator<<(const wxString& s);
 177     wxTextCtrl& operator<<(int i);
 178     wxTextCtrl& operator<<(long i);
 179     wxTextCtrl& operator<<(float f);
 180     wxTextCtrl& operator<<(double d);
 181     wxTextCtrl& operator<<(const wxChar c);
 182 #endif
 183
 184     // do the window-specific processing after processing the update event
 185     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
 186
 187     virtual bool ShouldInheritColours() const;
 188
 189     // wxWindow overrides
 190     virtual bool SetFont(const wxFont& font);
 191
 192     // search control generic only
 193     void SetSearchBitmap( const wxBitmap& bitmap );
 194     void SetSearchMenuBitmap( const wxBitmap& bitmap );
 195     void SetCancelBitmap( const wxBitmap& bitmap );
 196
 197 protected:
 198     virtual void DoSetValue(const wxString& value, int flags = 0);
 199
 200     // override the base class virtuals involved into geometry calculations
 201     virtual wxSize DoGetBestSize() const;
 202     virtual void DoMoveWindow(int x, int y, int width, int height);
 203     virtual void LayoutControls(int x, int y, int width, int height);
 204
 205     virtual void RecalcBitmaps();
 206
 207     void Init();
 208
 209     virtual wxBitmap RenderSearchBitmap( int x, int y, bool renderDrop );
 210     virtual wxBitmap RenderCancelBitmap( int x, int y );
 211
 212     virtual void OnSearchButton( wxCommandEvent& event );
 213
 214     void OnSetFocus( wxFocusEvent& event );
 215     void OnSize( wxSizeEvent& event );
 216
 217 private:
 218     friend class wxSearchButton;
 219
 220     void PopupSearchMenu();
 221
 222     // the subcontrols
 223     wxSearchTextCtrl *m_text;
 224     wxSearchButton *m_searchButton;
 225     wxSearchButton *m_cancelButton;
 226     wxMenu *m_menu;
 227
 228     bool m_searchButtonVisible;
 229     bool m_cancelButtonVisible;
 230
 231     bool m_searchBitmapUser;
 232     bool m_searchMenuBitmapUser;
 233     bool m_cancelBitmapUser;
 234     wxBitmap m_searchBitmap;
 235     wxBitmap m_searchMenuBitmap;
 236     wxBitmap m_cancelBitmap;
 237 private:
 238     DECLARE_DYNAMIC_CLASS(wxSearchCtrl)
 239
 240     DECLARE_EVENT_TABLE()
 241 };
 242
 243 #endif // wxUSE_SEARCHCTRL
 244
 245 #endif // _WX_GENERIC_SEARCHCTRL_H_
 246