src/generic/choicdgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        choicdgg.cpp
   3 // Purpose:     Choice dialogs
   4 // Author:      Julian Smart
   5 // Modified by: 03.11.00: VZ to add wxArrayString and multiple sel functions
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 #ifdef __GNUG__
  17     #pragma implementation "choicdgg.h"
  18 #endif
  19
  20 // ----------------------------------------------------------------------------
  21 // headers
  22 // ----------------------------------------------------------------------------
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_CHOICEDLG
  32
  33 #ifndef WX_PRECOMP
  34     #include <stdio.h>
  35     #include "wx/utils.h"
  36     #include "wx/dialog.h"
  37     #include "wx/button.h"
  38     #include "wx/listbox.h"
  39     #include "wx/stattext.h"
  40     #include "wx/intl.h"
  41     #include "wx/sizer.h"
  42 #endif
  43
  44 #if wxUSE_STATLINE
  45     #include "wx/statline.h"
  46 #endif
  47
  48 #include "wx/generic/choicdgg.h"
  49
  50 // ----------------------------------------------------------------------------
  51 // constants
  52 // ----------------------------------------------------------------------------
  53
  54 #define wxID_LISTBOX 3000
  55
  56 #if defined(__WXMSW__) || defined(__WXMAC__)
  57 #define wxCHOICEDLG_DIALOG_STYLE (wxDEFAULT_DIALOG_STYLE | \
  58                                   wxDIALOG_MODAL |         \
  59                                   wxTAB_TRAVERSAL)
  60 #else
  61 #define wxCHOICEDLG_DIALOG_STYLE (wxDEFAULT_DIALOG_STYLE | \
  62                                   wxDIALOG_MODAL |         \
  63                                   wxRESIZE_BORDER |        \
  64                                   wxTAB_TRAVERSAL)
  65 #endif
  66
  67 // ----------------------------------------------------------------------------
  68 // private functions
  69 // ----------------------------------------------------------------------------
  70
  71 // convert wxArrayString into a wxString[] which must be delete[]d by caller
  72 static int ConvertWXArrayToC(const wxArrayString& aChoices, wxString **choices);
  73
  74 // ============================================================================
  75 // implementation
  76 // ============================================================================
  77
  78 // ----------------------------------------------------------------------------
  79 // helpers
  80 // ----------------------------------------------------------------------------
  81
  82 int ConvertWXArrayToC(const wxArrayString& aChoices, wxString **choices)
  83 {
  84     int n = aChoices.GetCount();
  85     *choices = new wxString[n];
  86
  87     for ( int i = 0; i < n; i++ )
  88     {
  89         (*choices)[i] = aChoices[i];
  90     }
  91
  92     return n;
  93 }
  94
  95 // ----------------------------------------------------------------------------
  96 // wrapper functions
  97 // ----------------------------------------------------------------------------
  98
  99 wxString wxGetSingleChoice( const wxString& message,
 100                             const wxString& caption,
 101                             int n, const wxString *choices,
 102                             wxWindow *parent,
 103                             int WXUNUSED(x), int WXUNUSED(y),
 104                             bool WXUNUSED(centre),
 105                             int WXUNUSED(width), int WXUNUSED(height) )
 106 {
 107     wxSingleChoiceDialog dialog(parent, message, caption, n, choices);
 108     wxString choice;
 109     if ( dialog.ShowModal() == wxID_OK )
 110         choice = dialog.GetStringSelection();
 111
 112     return choice;
 113 }
 114
 115 wxString wxGetSingleChoice( const wxString& message,
 116                             const wxString& caption,
 117                             const wxArrayString& aChoices,
 118                             wxWindow *parent,
 119                             int x, int y,
 120                             bool centre,
 121                             int width, int height)
 122 {
 123     wxString *choices;
 124     int n = ConvertWXArrayToC(aChoices, &choices);
 125     wxString res = wxGetSingleChoice(message, caption, n, choices, parent,
 126                                      x, y, centre, width, height);
 127     delete [] choices;
 128
 129     return res;
 130 }
 131
 132 #if WXWIN_COMPATIBILITY_2
 133 // Overloaded for backward compatibility
 134 wxString wxGetSingleChoice( const wxString& message,
 135                             const wxString& caption,
 136                             int n, char *choices[],
 137                             wxWindow *parent,
 138                             int x, int y, bool centre,
 139                             int width, int height )
 140 {
 141     wxString *strings = new wxString[n];
 142     int i;
 143     for ( i = 0; i < n; i++)
 144     {
 145         strings[i] = choices[i];
 146     }
 147     wxString ans(wxGetSingleChoice(message, caption, n, (const wxString *)strings, parent,
 148         x, y, centre, width, height));
 149     delete[] strings;
 150     return ans;
 151 }
 152 #endif // WXWIN_COMPATIBILITY_2
 153
 154 int wxGetSingleChoiceIndex( const wxString& message,
 155                             const wxString& caption,
 156                             int n, const wxString *choices,
 157                             wxWindow *parent,
 158                             int WXUNUSED(x), int WXUNUSED(y),
 159                             bool WXUNUSED(centre),
 160                             int WXUNUSED(width), int WXUNUSED(height) )
 161 {
 162     wxSingleChoiceDialog dialog(parent, message, caption, n, choices);
 163     int choice;
 164     if ( dialog.ShowModal() == wxID_OK )
 165         choice = dialog.GetSelection();
 166     else
 167         choice = -1;
 168
 169     return choice;
 170 }
 171
 172 int wxGetSingleChoiceIndex( const wxString& message,
 173                             const wxString& caption,
 174                             const wxArrayString& aChoices,
 175                             wxWindow *parent,
 176                             int x, int y,
 177                             bool centre,
 178                             int width, int height)
 179 {
 180     wxString *choices;
 181     int n = ConvertWXArrayToC(aChoices, &choices);
 182     int res = wxGetSingleChoiceIndex(message, caption, n, choices, parent,
 183                                      x, y, centre, width, height);
 184     delete [] choices;
 185
 186     return res;
 187 }
 188
 189 #if WXWIN_COMPATIBILITY_2
 190 // Overloaded for backward compatibility
 191 int wxGetSingleChoiceIndex( const wxString& message,
 192                             const wxString& caption,
 193                             int n, wxChar *choices[],
 194                             wxWindow *parent,
 195                             int x, int y, bool centre,
 196                             int width, int height )
 197 {
 198     wxString *strings = new wxString[n];
 199     for ( int i = 0; i < n; i++)
 200         strings[i] = choices[i];
 201     int ans = wxGetSingleChoiceIndex(message, caption, n, (const wxString *)strings, parent,
 202         x, y, centre, width, height);
 203     delete[] strings;
 204     return ans;
 205 }
 206 #endif // WXWIN_COMPATIBILITY_2
 207
 208 void *wxGetSingleChoiceData( const wxString& message,
 209                              const wxString& caption,
 210                              int n, const wxString *choices,
 211                              void **client_data,
 212                              wxWindow *parent,
 213                              int WXUNUSED(x), int WXUNUSED(y),
 214                              bool WXUNUSED(centre),
 215                              int WXUNUSED(width), int WXUNUSED(height) )
 216 {
 217     wxSingleChoiceDialog dialog(parent, message, caption, n, choices,
 218                                 (char **)client_data);
 219     void *data;
 220     if ( dialog.ShowModal() == wxID_OK )
 221         data = dialog.GetSelectionClientData();
 222     else
 223         data = NULL;
 224
 225     return data;
 226 }
 227
 228 void *wxGetSingleChoiceData( const wxString& message,
 229                              const wxString& caption,
 230                              const wxArrayString& aChoices,
 231                              void **client_data,
 232                              wxWindow *parent,
 233                              int x, int y,
 234                              bool centre,
 235                              int width, int height)
 236 {
 237     wxString *choices;
 238     int n = ConvertWXArrayToC(aChoices, &choices);
 239     void *res = wxGetSingleChoiceData(message, caption, n, choices,
 240                                       client_data, parent,
 241                                       x, y, centre, width, height);
 242     delete [] choices;
 243
 244     return res;
 245 }
 246
 247 #if WXWIN_COMPATIBILITY_2
 248 // Overloaded for backward compatibility
 249 void *wxGetSingleChoiceData( const wxString& message,
 250                              const wxString& caption,
 251                              int n, wxChar *choices[],
 252                              void **client_data,
 253                              wxWindow *parent,
 254                              int x, int y, bool centre, int width, int height )
 255 {
 256     wxString *strings = new wxString[n];
 257     int i;
 258     for ( i = 0; i < n; i++)
 259     {
 260         strings[i] = choices[i];
 261     }
 262     void *data = wxGetSingleChoiceData(message, caption,
 263                                        n, (const wxString *)strings,
 264                                        client_data, parent,
 265                                        x, y, centre, width, height);
 266     delete[] strings;
 267     return data;
 268 }
 269 #endif // WXWIN_COMPATIBILITY_2
 270
 271 size_t wxGetMultipleChoices(wxArrayInt& selections,
 272                             const wxString& message,
 273                             const wxString& caption,
 274                             int n, const wxString *choices,
 275                             wxWindow *parent,
 276                             int WXUNUSED(x), int WXUNUSED(y),
 277                             bool WXUNUSED(centre),
 278                             int WXUNUSED(width), int WXUNUSED(height))
 279 {
 280     wxMultiChoiceDialog dialog(parent, message, caption, n, choices);
 281
 282     if ( !selections.IsEmpty() )
 283         dialog.SetSelections(selections);
 284
 285     if ( dialog.ShowModal() == wxID_OK )
 286         selections = dialog.GetSelections();
 287     else
 288         selections.Empty();
 289
 290     return selections.GetCount();
 291 }
 292
 293 size_t wxGetMultipleChoices(wxArrayInt& selections,
 294                             const wxString& message,
 295                             const wxString& caption,
 296                             const wxArrayString& aChoices,
 297                             wxWindow *parent,
 298                             int x, int y,
 299                             bool centre,
 300                             int width, int height)
 301 {
 302     wxString *choices;
 303     int n = ConvertWXArrayToC(aChoices, &choices);
 304     size_t res = wxGetMultipleChoices(selections, message, caption,
 305                                       n, choices, parent,
 306                                       x, y, centre, width, height);
 307     delete [] choices;
 308
 309     return res;
 310 }
 311
 312 // ----------------------------------------------------------------------------
 313 // wxAnyChoiceDialog
 314 // ----------------------------------------------------------------------------
 315
 316 bool wxAnyChoiceDialog::Create(wxWindow *parent,
 317                                const wxString& message,
 318                                const wxString& caption,
 319                                int n, const wxString *choices,
 320                                long WXUNUSED(styleDlg), // FIXME: why unused?
 321                                const wxPoint& pos,
 322                                long styleLbox)
 323 {
 324     if ( !wxDialog::Create(parent, -1, caption, pos, wxDefaultSize,
 325                            wxCHOICEDLG_DIALOG_STYLE) )
 326         return FALSE;
 327
 328     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 329
 330     // 1) text message
 331     topsizer->Add( CreateTextSizer( message ), 0, wxALL, 10 );
 332
 333     // 2) list box
 334     m_listbox = new wxListBox( this, wxID_LISTBOX,
 335                                wxDefaultPosition, wxDefaultSize,
 336                                n, choices,
 337                                styleLbox );
 338     if ( n > 0 )
 339         m_listbox->SetSelection(0);
 340
 341     topsizer->Add( m_listbox, 1, wxEXPAND | wxLEFT|wxRIGHT, 15 );
 342
 343 #if wxUSE_STATLINE
 344     // 3) static line
 345     topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 346 #endif
 347
 348     // 4) buttons
 349     topsizer->Add( CreateButtonSizer( wxOK|wxCANCEL ), 0, wxCENTRE | wxALL, 10 );
 350
 351     SetAutoLayout( TRUE );
 352     SetSizer( topsizer );
 353
 354     topsizer->SetSizeHints( this );
 355     topsizer->Fit( this );
 356
 357     Centre( wxBOTH );
 358
 359     m_listbox->SetFocus();
 360
 361     return TRUE;
 362 }
 363
 364 // ----------------------------------------------------------------------------
 365 // wxSingleChoiceDialog
 366 // ----------------------------------------------------------------------------
 367
 368 BEGIN_EVENT_TABLE(wxSingleChoiceDialog, wxDialog)
 369     EVT_BUTTON(wxID_OK, wxSingleChoiceDialog::OnOK)
 370     EVT_LISTBOX_DCLICK(wxID_LISTBOX, wxSingleChoiceDialog::OnListBoxDClick)
 371 END_EVENT_TABLE()
 372
 373 IMPLEMENT_DYNAMIC_CLASS(wxSingleChoiceDialog, wxDialog)
 374
 375 wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent,
 376                                            const wxString& message,
 377                                            const wxString& caption,
 378                                            int n,
 379                                            const wxString *choices,
 380                                            char **clientData,
 381                                            long style,
 382                                            const wxPoint& WXUNUSED(pos))
 383 {
 384     Create(parent, message, caption, n, choices, clientData, style);
 385 }
 386
 387 #if WXWIN_COMPATIBILITY_2
 388
 389 wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent,
 390                                            const wxString& message,
 391                                            const wxString& caption,
 392                                            const wxStringList& choices,
 393                                            char **clientData,
 394                                            long style,
 395                                            const wxPoint& WXUNUSED(pos))
 396 {
 397     Create(parent, message, caption, choices, clientData, style);
 398 }
 399
 400 bool wxSingleChoiceDialog::Create(wxWindow *parent,
 401                                   const wxString& message,
 402                                   const wxString& caption,
 403                                   const wxStringList& choices,
 404                                   char **clientData,
 405                                   long style,
 406                                   const wxPoint& pos)
 407 {
 408     wxString *strings = new wxString[choices.Number()];
 409     int i;
 410     for ( i = 0; i < choices.Number(); i++)
 411     {
 412         strings[i] = (char *)choices.Nth(i)->Data();
 413     }
 414     bool ans = Create(parent, message, caption, choices.Number(), strings, clientData, style, pos);
 415     delete[] strings;
 416     return ans;
 417 }
 418
 419 #endif // WXWIN_COMPATIBILITY_2
 420
 421 bool wxSingleChoiceDialog::Create( wxWindow *parent,
 422                                    const wxString& message,
 423                                    const wxString& caption,
 424                                    int n,
 425                                    const wxString *choices,
 426                                    char **clientData,
 427                                    long style,
 428                                    const wxPoint& pos )
 429 {
 430     if ( !wxAnyChoiceDialog::Create(parent, message, caption,
 431                                     n, choices,
 432                                     style, pos) )
 433         return FALSE;
 434
 435     m_selection = n > 0 ? 0 : -1;
 436
 437     if (clientData)
 438     {
 439         for (int i = 0; i < n; i++)
 440             m_listbox->SetClientData(i, clientData[i]);
 441     }
 442
 443     return TRUE;
 444 }
 445
 446 // Set the selection
 447 void wxSingleChoiceDialog::SetSelection(int sel)
 448 {
 449     m_listbox->SetSelection(sel);
 450     m_selection = sel;
 451 }
 452
 453 void wxSingleChoiceDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 454 {
 455     m_selection = m_listbox->GetSelection();
 456     m_stringSelection = m_listbox->GetStringSelection();
 457     // TODO!
 458 #ifndef __WXMOTIF__
 459     if ( m_listbox->HasClientUntypedData() )
 460         SetClientData(m_listbox->GetClientData(m_selection));
 461 #endif
 462     EndModal(wxID_OK);
 463 }
 464
 465 void wxSingleChoiceDialog::OnListBoxDClick(wxCommandEvent& WXUNUSED(event))
 466 {
 467     m_selection = m_listbox->GetSelection();
 468     m_stringSelection = m_listbox->GetStringSelection();
 469
 470     // TODO!
 471 #ifndef __WXMOTIF__
 472     if ( m_listbox->HasClientUntypedData() )
 473         SetClientData(m_listbox->GetClientData(m_selection));
 474 #endif
 475
 476     EndModal(wxID_OK);
 477 }
 478
 479 // ----------------------------------------------------------------------------
 480 // wxMultiChoiceDialog
 481 // ----------------------------------------------------------------------------
 482
 483 IMPLEMENT_DYNAMIC_CLASS(wxMultiChoiceDialog, wxDialog)
 484
 485 bool wxMultiChoiceDialog::Create( wxWindow *parent,
 486                                   const wxString& message,
 487                                   const wxString& caption,
 488                                   int n,
 489                                   const wxString *choices,
 490                                   long style,
 491                                   const wxPoint& pos )
 492 {
 493     if ( !wxAnyChoiceDialog::Create(parent, message, caption,
 494                                     n, choices,
 495                                     style, pos,
 496                                     wxLB_ALWAYS_SB | wxLB_EXTENDED) )
 497         return FALSE;
 498
 499     return TRUE;
 500 }
 501
 502 void wxMultiChoiceDialog::SetSelections(const wxArrayInt& selections)
 503 {
 504     size_t count = selections.GetCount();
 505     for ( size_t n = 0; n < count; n++ )
 506     {
 507         m_listbox->Select(selections[n]);
 508     }
 509 }
 510
 511 bool wxMultiChoiceDialog::TransferDataFromWindow()
 512 {
 513     // VZ: I hate to do it but I can't fix wxMotif right now (FIXME)
 514 #ifdef __WXMOTIF__
 515     #define IsSelected Selected
 516 #endif
 517
 518     m_selections.Empty();
 519     size_t count = m_listbox->GetCount();
 520     for ( size_t n = 0; n < count; n++ )
 521     {
 522         if ( m_listbox->IsSelected(n) )
 523             m_selections.Add(n);
 524     }
 525
 526     return TRUE;
 527 }
 528
 529 #endif // wxUSE_CHOICEDLG