include/wx/richtext/richtextsymboldlg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/richtext/richtextsymboldlg.h
   3 // Purpose:
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     10/5/2006 3:11:58 PM
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _RICHTEXTSYMBOLDLG_H_
  13 #define _RICHTEXTSYMBOLDLG_H_
  14
  15 /*!
  16  * Includes
  17  */
  18
  19 #include "wx/dialog.h"
  20 #include "wx/vscroll.h"
  21 #include "wx/combobox.h"
  22 #include "wx/stattext.h"
  23 #include "wx/textctrl.h"
  24
  25 /*!
  26  * Forward declarations
  27  */
  28
  29 ////@begin forward declarations
  30 class wxSymbolListCtrl;
  31 ////@end forward declarations
  32
  33 // __UNICODE__ is a symbol used by DialogBlocks-generated code.
  34 #ifndef __UNICODE__
  35 #if wxUSE_UNICODE
  36 #define __UNICODE__
  37 #endif
  38 #endif
  39
  40 /*!
  41  * Symbols
  42  */
  43
  44 #define SYMBOL_WXSYMBOLPICKERDIALOG_STYLE (wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER|wxCLOSE_BOX)
  45 #define SYMBOL_WXSYMBOLPICKERDIALOG_TITLE _("Symbols")
  46 #define SYMBOL_WXSYMBOLPICKERDIALOG_IDNAME ID_SYMBOLPICKERDIALOG
  47 #define SYMBOL_WXSYMBOLPICKERDIALOG_SIZE wxSize(400, 300)
  48 #define SYMBOL_WXSYMBOLPICKERDIALOG_POSITION wxDefaultPosition
  49
  50 /*!
  51  * wxSymbolPickerDialog class declaration
  52  */
  53
  54 class WXDLLIMPEXP_RICHTEXT wxSymbolPickerDialog: public wxDialog
  55 {
  56     DECLARE_DYNAMIC_CLASS( wxSymbolPickerDialog )
  57     DECLARE_EVENT_TABLE()
  58
  59 public:
  60     /// Constructors
  61     wxSymbolPickerDialog( );
  62     wxSymbolPickerDialog( const wxString& symbol, const wxString& fontName, const wxString& normalTextFont,
  63         wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& caption = SYMBOL_WXSYMBOLPICKERDIALOG_TITLE, const wxPoint& pos = SYMBOL_WXSYMBOLPICKERDIALOG_POSITION, const wxSize& size = SYMBOL_WXSYMBOLPICKERDIALOG_SIZE, long style = SYMBOL_WXSYMBOLPICKERDIALOG_STYLE );
  64
  65     /// Creation
  66     bool Create( const wxString& symbol, const wxString& fontName, const wxString& normalTextFont,
  67         wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& caption = SYMBOL_WXSYMBOLPICKERDIALOG_TITLE, const wxPoint& pos = SYMBOL_WXSYMBOLPICKERDIALOG_POSITION, const wxSize& size = SYMBOL_WXSYMBOLPICKERDIALOG_SIZE, long style = SYMBOL_WXSYMBOLPICKERDIALOG_STYLE );
  68
  69     /// Initialises members variables
  70     void Init();
  71
  72     /// Creates the controls and sizers
  73     void CreateControls();
  74
  75     /// Update the display
  76     void UpdateSymbolDisplay(bool updateSymbolList = true, bool showAtSubset = true);
  77
  78     /// Respond to symbol selection
  79     void OnSymbolSelected( wxCommandEvent& event );
  80
  81     /// Set Unicode mode
  82     void SetUnicodeMode(bool unicodeMode);
  83
  84     /// Show at the current subset selection
  85     void ShowAtSubset();
  86
  87     /// Get the selected symbol character
  88     int GetSymbolChar() const;
  89
  90     /// Is there a selection?
  91     bool HasSelection() const { return !m_symbol.IsEmpty(); }
  92
  93     /// Specifying normal text?
  94     bool UseNormalFont() const { return m_fontName.IsEmpty(); }
  95
  96     /// Should we show tooltips?
  97     static bool ShowToolTips() { return sm_showToolTips; }
  98
  99     /// Determines whether tooltips will be shown
 100     static void SetShowToolTips(bool show) { sm_showToolTips = show; }
 101
 102     /// Data transfer
 103     virtual bool TransferDataToWindow();
 104
 105 ////@begin wxSymbolPickerDialog event handler declarations
 106
 107     /// wxEVT_COMMAND_COMBOBOX_SELECTED event handler for ID_SYMBOLPICKERDIALOG_FONT
 108     void OnFontCtrlSelected( wxCommandEvent& event );
 109
 110 #if defined(__UNICODE__)
 111     /// wxEVT_COMMAND_COMBOBOX_SELECTED event handler for ID_SYMBOLPICKERDIALOG_SUBSET
 112     void OnSubsetSelected( wxCommandEvent& event );
 113
 114 #endif
 115 #if defined(__UNICODE__)
 116     /// wxEVT_COMMAND_COMBOBOX_SELECTED event handler for ID_SYMBOLPICKERDIALOG_FROM
 117     void OnFromUnicodeSelected( wxCommandEvent& event );
 118
 119 #endif
 120
 121     /// wxEVT_UPDATE_UI event handler for wxID_OK
 122     void OnOkUpdate( wxUpdateUIEvent& event );
 123
 124 ////@end wxSymbolPickerDialog event handler declarations
 125
 126 ////@begin wxSymbolPickerDialog member function declarations
 127
 128     wxString GetFontName() const { return m_fontName ; }
 129     void SetFontName(wxString value) { m_fontName = value ; }
 130
 131     wxString GetSymbol() const { return m_symbol ; }
 132     void SetSymbol(wxString value) { m_symbol = value ; }
 133
 134     bool GetFromUnicode() const { return m_fromUnicode ; }
 135     void SetFromUnicode(bool value) { m_fromUnicode = value ; }
 136
 137     wxString GetNormalTextFontName() const { return m_normalTextFontName ; }
 138     void SetNormalTextFontName(wxString value) { m_normalTextFontName = value ; }
 139
 140     /// Retrieves bitmap resources
 141     wxBitmap GetBitmapResource( const wxString& name );
 142
 143     /// Retrieves icon resources
 144     wxIcon GetIconResource( const wxString& name );
 145 ////@end wxSymbolPickerDialog member function declarations
 146
 147 ////@begin wxSymbolPickerDialog member variables
 148     wxComboBox* m_fontCtrl;
 149 #if defined(__UNICODE__)
 150     wxComboBox* m_subsetCtrl;
 151 #endif
 152     wxSymbolListCtrl* m_symbolsCtrl;
 153     wxStaticText* m_symbolStaticCtrl;
 154     wxTextCtrl* m_characterCodeCtrl;
 155 #if defined(__UNICODE__)
 156     wxComboBox* m_fromUnicodeCtrl;
 157 #endif
 158     wxString m_fontName;
 159     wxString m_symbol;
 160     bool m_fromUnicode;
 161     wxString m_normalTextFontName;
 162     /// Control identifiers
 163     enum {
 164         ID_SYMBOLPICKERDIALOG = 10600,
 165         ID_SYMBOLPICKERDIALOG_FONT = 10602,
 166         ID_SYMBOLPICKERDIALOG_SUBSET = 10605,
 167         ID_SYMBOLPICKERDIALOG_LISTCTRL = 10608,
 168         ID_SYMBOLPICKERDIALOG_CHARACTERCODE = 10601,
 169         ID_SYMBOLPICKERDIALOG_FROM = 10603
 170     };
 171 ////@end wxSymbolPickerDialog member variables
 172
 173     bool m_dontUpdate;
 174     static bool             sm_showToolTips;
 175 };
 176
 177 /*!
 178  * The scrolling symbol list.
 179  */
 180
 181 class WXDLLIMPEXP_RICHTEXT wxSymbolListCtrl : public wxVScrolledWindow
 182 {
 183 public:
 184     // constructors and such
 185     // ---------------------
 186
 187     // default constructor, you must call Create() later
 188     wxSymbolListCtrl() { Init(); }
 189
 190     // normal constructor which calls Create() internally
 191     wxSymbolListCtrl(wxWindow *parent,
 192                wxWindowID id = wxID_ANY,
 193                const wxPoint& pos = wxDefaultPosition,
 194                const wxSize& size = wxDefaultSize,
 195                long style = 0,
 196                const wxString& name = wxPanelNameStr)
 197     {
 198         Init();
 199
 200         (void)Create(parent, id, pos, size, style, name);
 201     }
 202
 203     // really creates the control and sets the initial number of items in it
 204     // (which may be changed later with SetItemCount())
 205     //
 206     // returns true on success or false if the control couldn't be created
 207     bool Create(wxWindow *parent,
 208                 wxWindowID id = wxID_ANY,
 209                 const wxPoint& pos = wxDefaultPosition,
 210                 const wxSize& size = wxDefaultSize,
 211                 long style = 0,
 212                 const wxString& name = wxPanelNameStr);
 213
 214     // dtor does some internal cleanup
 215     virtual ~wxSymbolListCtrl();
 216
 217
 218     // accessors
 219     // ---------
 220
 221     // set the current font
 222     virtual bool SetFont(const wxFont& font);
 223
 224     // set Unicode/ASCII mode
 225     void SetUnicodeMode(bool unicodeMode);
 226
 227     // get the index of the currently selected item or wxNOT_FOUND if there is no selection
 228     int GetSelection() const;
 229
 230     // is this item selected?
 231     bool IsSelected(int item) const;
 232
 233     // is this item the current one?
 234     bool IsCurrentItem(int item) const { return item == m_current; }
 235
 236     // get the margins around each cell
 237     wxPoint GetMargins() const { return m_ptMargins; }
 238
 239     // get the background colour of selected cells
 240     const wxColour& GetSelectionBackground() const { return m_colBgSel; }
 241
 242     // operations
 243     // ----------
 244
 245     // set the selection to the specified item, if it is wxNOT_FOUND the
 246     // selection is unset
 247     void SetSelection(int selection);
 248
 249     // make this item visible
 250     void EnsureVisible(int item);
 251
 252     // set the margins: horizontal margin is the distance between the window
 253     // border and the item contents while vertical margin is half of the
 254     // distance between items
 255     //
 256     // by default both margins are 0
 257     void SetMargins(const wxPoint& pt);
 258     void SetMargins(wxCoord x, wxCoord y) { SetMargins(wxPoint(x, y)); }
 259
 260     // set the cell size
 261     void SetCellSize(const wxSize& sz) { m_cellSize = sz; }
 262     const wxSize& GetCellSize() const { return m_cellSize; }
 263
 264     // change the background colour of the selected cells
 265     void SetSelectionBackground(const wxColour& col);
 266
 267     virtual wxVisualAttributes GetDefaultAttributes() const
 268     {
 269         return GetClassDefaultAttributes(GetWindowVariant());
 270     }
 271
 272     static wxVisualAttributes
 273     GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
 274
 275     // Get min/max symbol values
 276     int GetMinSymbolValue() const { return m_minSymbolValue; }
 277     int GetMaxSymbolValue() const { return m_maxSymbolValue; }
 278
 279     // Respond to size change
 280     void OnSize(wxSizeEvent& event);
 281
 282 protected:
 283
 284     // draws a line of symbols
 285     virtual void OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const;
 286
 287     // gets the line height
 288     virtual wxCoord OnGetRowHeight(size_t line) const;
 289
 290     // event handlers
 291     void OnPaint(wxPaintEvent& event);
 292     void OnKeyDown(wxKeyEvent& event);
 293     void OnLeftDown(wxMouseEvent& event);
 294     void OnLeftDClick(wxMouseEvent& event);
 295
 296     // common part of all ctors
 297     void Init();
 298
 299     // send the wxEVT_COMMAND_LISTBOX_SELECTED event
 300     void SendSelectedEvent();
 301
 302     // change the current item (in single selection listbox it also implicitly
 303     // changes the selection); current may be wxNOT_FOUND in which case there
 304     // will be no current item any more
 305     //
 306     // return true if the current item changed, false otherwise
 307     bool DoSetCurrent(int current);
 308
 309     // flags for DoHandleItemClick
 310     enum
 311     {
 312         ItemClick_Shift = 1,        // item shift-clicked
 313         ItemClick_Ctrl  = 2,        //       ctrl
 314         ItemClick_Kbd   = 4         // item selected from keyboard
 315     };
 316
 317     // common part of keyboard and mouse handling processing code
 318     void DoHandleItemClick(int item, int flags);
 319
 320     // calculate line number from symbol value
 321     int SymbolValueToLineNumber(int item);
 322
 323     // initialise control from current min/max values
 324     void SetupCtrl(bool scrollToSelection = true);
 325
 326     // hit testing
 327     int HitTest(const wxPoint& pt);
 328
 329 private:
 330     // the current item or wxNOT_FOUND
 331     int m_current;
 332
 333     // margins
 334     wxPoint     m_ptMargins;
 335
 336     // the selection bg colour
 337     wxColour    m_colBgSel;
 338
 339     // double buffer
 340     wxBitmap*   m_doubleBuffer;
 341
 342     // cell size
 343     wxSize      m_cellSize;
 344
 345     // minimum and maximum symbol value
 346     int         m_minSymbolValue;
 347
 348     // minimum and maximum symbol value
 349     int         m_maxSymbolValue;
 350
 351     // number of items per line
 352     int         m_symbolsPerLine;
 353
 354     // Unicode/ASCII mode
 355     bool        m_unicodeMode;
 356
 357     DECLARE_EVENT_TABLE()
 358     DECLARE_NO_COPY_CLASS(wxSymbolListCtrl)
 359     DECLARE_ABSTRACT_CLASS(wxSymbolListCtrl)
 360 };
 361
 362 #endif
 363     // _RICHTEXTSYMBOLDLG_H_