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