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