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