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 WXDLLIMPEXP_FWD_CORE wxSearchButton;
  19 class WXDLLIMPEXP_FWD_CORE wxSearchTextCtrl;
  20
  21 // ----------------------------------------------------------------------------
  22 // wxSearchCtrl is a combination of wxTextCtrl and wxSearchButton
  23 // ----------------------------------------------------------------------------
  24
  25 class WXDLLIMPEXP_CORE 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 #if wxUSE_MENUS
  51     // get/set search button menu
  52     // --------------------------
  53     virtual void SetMenu( wxMenu* menu );
  54     virtual wxMenu* GetMenu();
  55 #endif // wxUSE_MENUS
  56
  57     // get/set search options
  58     // ----------------------
  59     virtual void ShowSearchButton( bool show );
  60     virtual bool IsSearchButtonVisible() const;
  61
  62     virtual void ShowCancelButton( bool show );
  63     virtual bool IsCancelButtonVisible() const;
  64
  65     // TODO: In 2.9 these should probably be virtual, and declared in the base class...
  66     void SetDescriptiveText(const wxString& text);
  67     wxString GetDescriptiveText() const;
  68
  69     // accessors
  70     // ---------
  71
  72     virtual wxString GetRange(long from, long to) const;
  73
  74     virtual int GetLineLength(long lineNo) const;
  75     virtual wxString GetLineText(long lineNo) const;
  76     virtual int GetNumberOfLines() const;
  77
  78     virtual bool IsModified() const;
  79     virtual bool IsEditable() const;
  80
  81     // more readable flag testing methods
  82     virtual bool IsSingleLine() const;
  83     virtual bool IsMultiLine() const;
  84
  85     // If the return values from and to are the same, there is no selection.
  86     virtual void GetSelection(long* from, long* to) const;
  87
  88     virtual wxString GetStringSelection() const;
  89
  90     // operations
  91     // ----------
  92
  93     // editing
  94     virtual void Clear();
  95     virtual void Replace(long from, long to, const wxString& value);
  96     virtual void Remove(long from, long to);
  97
  98     // load/save the controls contents from/to the file
  99     virtual bool LoadFile(const wxString& file);
 100     virtual bool SaveFile(const wxString& file = wxEmptyString);
 101
 102     // sets/clears the dirty flag
 103     virtual void MarkDirty();
 104     virtual void DiscardEdits();
 105
 106     // set the max number of characters which may be entered in a single line
 107     // text control
 108     virtual void SetMaxLength(unsigned long WXUNUSED(len));
 109
 110     // writing text inserts it at the current position, appending always
 111     // inserts it at the end
 112     virtual void WriteText(const wxString& text);
 113     virtual void AppendText(const wxString& text);
 114
 115     // insert the character which would have resulted from this key event,
 116     // return true if anything has been inserted
 117     virtual bool EmulateKeyPress(const wxKeyEvent& event);
 118
 119     // text control under some platforms supports the text styles: these
 120     // methods allow to apply the given text style to the given selection or to
 121     // set/get the style which will be used for all appended text
 122     virtual bool SetStyle(long start, long end, const wxTextAttr& style);
 123     virtual bool GetStyle(long position, wxTextAttr& style);
 124     virtual bool SetDefaultStyle(const wxTextAttr& style);
 125     virtual const wxTextAttr& GetDefaultStyle() const;
 126
 127     // translate between the position (which is just an index in the text ctrl
 128     // considering all its contents as a single strings) and (x, y) coordinates
 129     // which represent column and line.
 130     virtual long XYToPosition(long x, long y) const;
 131     virtual bool PositionToXY(long pos, long *x, long *y) const;
 132
 133     virtual void ShowPosition(long pos);
 134
 135     // find the character at position given in pixels
 136     //
 137     // NB: pt is in device coords (not adjusted for the client area origin nor
 138     //     scrolling)
 139     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;
 140     virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
 141                                             wxTextCoord *col,
 142                                             wxTextCoord *row) const;
 143
 144     // Clipboard operations
 145     virtual void Copy();
 146     virtual void Cut();
 147     virtual void Paste();
 148
 149     virtual bool CanCopy() const;
 150     virtual bool CanCut() const;
 151     virtual bool CanPaste() const;
 152
 153     // Undo/redo
 154     virtual void Undo();
 155     virtual void Redo();
 156
 157     virtual bool CanUndo() const;
 158     virtual bool CanRedo() const;
 159
 160     // Insertion point
 161     virtual void SetInsertionPoint(long pos);
 162     virtual void SetInsertionPointEnd();
 163     virtual long GetInsertionPoint() const;
 164     virtual wxTextPos GetLastPosition() const;
 165
 166     virtual void SetSelection(long from, long to);
 167     virtual void SelectAll();
 168     virtual void SetEditable(bool editable);
 169
 170 #if 0
 171
 172     // override streambuf method
 173 #if wxHAS_TEXT_WINDOW_STREAM
 174     int overflow(int i);
 175 #endif // wxHAS_TEXT_WINDOW_STREAM
 176
 177     // stream-like insertion operators: these are always available, whether we
 178     // were, or not, compiled with streambuf support
 179     wxTextCtrl& operator<<(const wxString& s);
 180     wxTextCtrl& operator<<(int i);
 181     wxTextCtrl& operator<<(long i);
 182     wxTextCtrl& operator<<(float f);
 183     wxTextCtrl& operator<<(double d);
 184     wxTextCtrl& operator<<(const wxChar c);
 185 #endif
 186
 187     // do the window-specific processing after processing the update event
 188     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
 189
 190     virtual bool ShouldInheritColours() const;
 191
 192     // wxWindow overrides
 193     virtual bool SetFont(const wxFont& font);
 194
 195     // search control generic only
 196     void SetSearchBitmap( const wxBitmap& bitmap );
 197     void SetCancelBitmap( const wxBitmap& bitmap );
 198 #if wxUSE_MENUS
 199     void SetSearchMenuBitmap( const wxBitmap& bitmap );
 200 #endif // wxUSE_MENUS
 201
 202 protected:
 203     virtual void DoSetValue(const wxString& value, int flags);
 204     virtual wxString DoGetValue() const;
 205
 206     virtual bool DoLoadFile(const wxString& file, int fileType);
 207     virtual bool DoSaveFile(const wxString& file, int fileType);
 208
 209     // override the base class virtuals involved into geometry calculations
 210     virtual wxSize DoGetBestSize() const;
 211     virtual void DoMoveWindow(int x, int y, int width, int height);
 212     virtual void LayoutControls(int x, int y, int width, int height);
 213
 214     virtual void RecalcBitmaps();
 215
 216     void Init();
 217
 218     virtual wxBitmap RenderSearchBitmap( int x, int y, bool renderDrop );
 219     virtual wxBitmap RenderCancelBitmap( int x, int y );
 220
 221     virtual void OnSearchButton( wxCommandEvent& event );
 222
 223     void OnSetFocus( wxFocusEvent& event );
 224     void OnSize( wxSizeEvent& event );
 225
 226     bool HasMenu() const
 227     {
 228 #if wxUSE_MENUS
 229         return m_menu != NULL;
 230 #else // !wxUSE_MENUS
 231         return false;
 232 #endif // wxUSE_MENUS/!wxUSE_MENUS
 233     }
 234
 235 private:
 236     friend class wxSearchButton;
 237
 238 #if wxUSE_MENUS
 239     void PopupSearchMenu();
 240 #endif // wxUSE_MENUS
 241
 242     // the subcontrols
 243     wxSearchTextCtrl *m_text;
 244     wxSearchButton *m_searchButton;
 245     wxSearchButton *m_cancelButton;
 246 #if wxUSE_MENUS
 247     wxMenu *m_menu;
 248 #endif // wxUSE_MENUS
 249
 250     bool m_searchButtonVisible;
 251     bool m_cancelButtonVisible;
 252
 253     bool m_searchBitmapUser;
 254     bool m_cancelBitmapUser;
 255 #if wxUSE_MENUS
 256     bool m_searchMenuBitmapUser;
 257 #endif // wxUSE_MENUS
 258
 259     wxBitmap m_searchBitmap;
 260     wxBitmap m_cancelBitmap;
 261 #if wxUSE_MENUS
 262     wxBitmap m_searchMenuBitmap;
 263 #endif // wxUSE_MENUS
 264
 265 private:
 266     DECLARE_DYNAMIC_CLASS(wxSearchCtrl)
 267
 268     DECLARE_EVENT_TABLE()
 269 };
 270
 271 #endif // wxUSE_SEARCHCTRL
 272
 273 #endif // _WX_GENERIC_SEARCHCTRL_H_
 274