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