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) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_CHOICEDLG
  28
  29 #ifndef WX_PRECOMP
  30     #include <stdio.h>
  31     #include "wx/utils.h"
  32     #include "wx/dialog.h"
  33     #include "wx/button.h"
  34     #include "wx/listbox.h"
  35     #include "wx/stattext.h"
  36     #include "wx/intl.h"
  37     #include "wx/sizer.h"
  38     #include "wx/arrstr.h"
  39 #endif
  40
  41 #if wxUSE_STATLINE
  42     #include "wx/statline.h"
  43 #endif
  44
  45 #include "wx/generic/choicdgg.h"
  46
  47 // ----------------------------------------------------------------------------
  48 // constants
  49 // ----------------------------------------------------------------------------
  50
  51 #define wxID_LISTBOX 3000
  52
  53 // ---------------------------------------------------------------------------
  54 // macros
  55 // ---------------------------------------------------------------------------
  56
  57 /* Macro for avoiding #ifdefs when value have to be different depending on size of
  58    device we display on - take it from something like wxDesktopPolicy in the future
  59  */
  60
  61 #if defined(__SMARTPHONE__)
  62     #define wxLARGESMALL(large,small) small
  63 #else
  64     #define wxLARGESMALL(large,small) large
  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 int wxGetSingleChoiceIndex( const wxString& message,
 133                             const wxString& caption,
 134                             int n, const wxString *choices,
 135                             wxWindow *parent,
 136                             int WXUNUSED(x), int WXUNUSED(y),
 137                             bool WXUNUSED(centre),
 138                             int WXUNUSED(width), int WXUNUSED(height) )
 139 {
 140     wxSingleChoiceDialog dialog(parent, message, caption, n, choices);
 141     int choice;
 142     if ( dialog.ShowModal() == wxID_OK )
 143         choice = dialog.GetSelection();
 144     else
 145         choice = -1;
 146
 147     return choice;
 148 }
 149
 150 int wxGetSingleChoiceIndex( const wxString& message,
 151                             const wxString& caption,
 152                             const wxArrayString& aChoices,
 153                             wxWindow *parent,
 154                             int x, int y,
 155                             bool centre,
 156                             int width, int height)
 157 {
 158     wxString *choices;
 159     int n = ConvertWXArrayToC(aChoices, &choices);
 160     int res = wxGetSingleChoiceIndex(message, caption, n, choices, parent,
 161                                      x, y, centre, width, height);
 162     delete [] choices;
 163
 164     return res;
 165 }
 166
 167 void *wxGetSingleChoiceData( const wxString& message,
 168                              const wxString& caption,
 169                              int n, const wxString *choices,
 170                              void **client_data,
 171                              wxWindow *parent,
 172                              int WXUNUSED(x), int WXUNUSED(y),
 173                              bool WXUNUSED(centre),
 174                              int WXUNUSED(width), int WXUNUSED(height) )
 175 {
 176     wxSingleChoiceDialog dialog(parent, message, caption, n, choices,
 177                                 (char **)client_data);
 178     void *data;
 179     if ( dialog.ShowModal() == wxID_OK )
 180         data = dialog.GetSelectionClientData();
 181     else
 182         data = NULL;
 183
 184     return data;
 185 }
 186
 187 void *wxGetSingleChoiceData( const wxString& message,
 188                              const wxString& caption,
 189                              const wxArrayString& aChoices,
 190                              void **client_data,
 191                              wxWindow *parent,
 192                              int x, int y,
 193                              bool centre,
 194                              int width, int height)
 195 {
 196     wxString *choices;
 197     int n = ConvertWXArrayToC(aChoices, &choices);
 198     void *res = wxGetSingleChoiceData(message, caption, n, choices,
 199                                       client_data, parent,
 200                                       x, y, centre, width, height);
 201     delete [] choices;
 202
 203     return res;
 204 }
 205
 206 size_t wxGetMultipleChoices(wxArrayInt& selections,
 207                             const wxString& message,
 208                             const wxString& caption,
 209                             int n, const wxString *choices,
 210                             wxWindow *parent,
 211                             int WXUNUSED(x), int WXUNUSED(y),
 212                             bool WXUNUSED(centre),
 213                             int WXUNUSED(width), int WXUNUSED(height))
 214 {
 215     wxMultiChoiceDialog dialog(parent, message, caption, n, choices);
 216
 217     // call this even if selections array is empty and this then (correctly)
 218     // deselects the first item which is selected by default
 219     dialog.SetSelections(selections);
 220
 221     if ( dialog.ShowModal() == wxID_OK )
 222         selections = dialog.GetSelections();
 223     else
 224         selections.Empty();
 225
 226     return selections.GetCount();
 227 }
 228
 229 size_t wxGetMultipleChoices(wxArrayInt& selections,
 230                             const wxString& message,
 231                             const wxString& caption,
 232                             const wxArrayString& aChoices,
 233                             wxWindow *parent,
 234                             int x, int y,
 235                             bool centre,
 236                             int width, int height)
 237 {
 238     wxString *choices;
 239     int n = ConvertWXArrayToC(aChoices, &choices);
 240     size_t res = wxGetMultipleChoices(selections, message, caption,
 241                                       n, choices, parent,
 242                                       x, y, centre, width, height);
 243     delete [] choices;
 244
 245     return res;
 246 }
 247
 248 // ----------------------------------------------------------------------------
 249 // wxAnyChoiceDialog
 250 // ----------------------------------------------------------------------------
 251
 252 bool wxAnyChoiceDialog::Create(wxWindow *parent,
 253                                const wxString& message,
 254                                const wxString& caption,
 255                                int n, const wxString *choices,
 256                                long styleDlg,
 257                                const wxPoint& pos,
 258                                long styleLbox)
 259 {
 260 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 261     styleDlg &= ~wxBORDER_MASK;
 262     styleDlg &= ~wxRESIZE_BORDER;
 263     styleDlg &= ~wxCAPTION;
 264 #endif
 265
 266     if ( !wxDialog::Create(parent, wxID_ANY, caption, pos, wxDefaultSize, styleDlg) )
 267         return false;
 268
 269     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 270
 271     // 1) text message
 272     topsizer->Add( CreateTextSizer( message ), 0, wxALL, wxLARGESMALL(10,0) );
 273
 274     // 2) list box
 275     m_listbox = new wxListBox( this, wxID_LISTBOX,
 276                                wxDefaultPosition, wxDefaultSize,
 277                                n, choices,
 278                                styleLbox );
 279     if ( n > 0 )
 280         m_listbox->SetSelection(0);
 281
 282     topsizer->Add( m_listbox, 1, wxEXPAND|wxLEFT|wxRIGHT, wxLARGESMALL(15,0) );
 283
 284     // smart phones does not support or do not waste space for wxButtons
 285 #ifdef __SMARTPHONE__
 286
 287     SetRightMenu(wxID_CANCEL, _("Cancel"));
 288
 289 #else // __SMARTPHONE__/!__SMARTPHONE__
 290
 291 #if wxUSE_STATLINE
 292     // 3) static line
 293     topsizer->Add( new wxStaticLine( this, wxID_ANY ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 294 #endif
 295
 296     // 4) buttons
 297     topsizer->Add( CreateButtonSizer( styleDlg & (wxOK|wxCANCEL) ), 0, wxEXPAND | wxALL, 10 );
 298
 299 #endif // !__SMARTPHONE__
 300
 301     SetSizer( topsizer );
 302
 303 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__)
 304     topsizer->SetSizeHints( this );
 305     topsizer->Fit( this );
 306
 307     if ( styleDlg & wxCENTRE )
 308         Centre(wxBOTH);
 309 #endif
 310
 311     m_listbox->SetFocus();
 312
 313     return true;
 314 }
 315
 316 bool wxAnyChoiceDialog::Create(wxWindow *parent,
 317                                const wxString& message,
 318                                const wxString& caption,
 319                                const wxArrayString& choices,
 320                                long styleDlg,
 321                                const wxPoint& pos,
 322                                long styleLbox)
 323 {
 324     wxCArrayString chs(choices);
 325     return Create(parent, message, caption, chs.GetCount(), chs.GetStrings(),
 326                   styleDlg, pos, styleLbox);
 327 }
 328
 329 // ----------------------------------------------------------------------------
 330 // wxSingleChoiceDialog
 331 // ----------------------------------------------------------------------------
 332
 333 BEGIN_EVENT_TABLE(wxSingleChoiceDialog, wxDialog)
 334     EVT_BUTTON(wxID_OK, wxSingleChoiceDialog::OnOK)
 335     EVT_LISTBOX_DCLICK(wxID_LISTBOX, wxSingleChoiceDialog::OnListBoxDClick)
 336 END_EVENT_TABLE()
 337
 338 IMPLEMENT_DYNAMIC_CLASS(wxSingleChoiceDialog, wxDialog)
 339
 340 wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent,
 341                                            const wxString& message,
 342                                            const wxString& caption,
 343                                            int n,
 344                                            const wxString *choices,
 345                                            char **clientData,
 346                                            long style,
 347                                            const wxPoint& WXUNUSED(pos))
 348 {
 349     Create(parent, message, caption, n, choices, clientData, style);
 350 }
 351
 352 wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent,
 353                                            const wxString& message,
 354                                            const wxString& caption,
 355                                            const wxArrayString& choices,
 356                                            char **clientData,
 357                                            long style,
 358                                            const wxPoint& WXUNUSED(pos))
 359 {
 360     Create(parent, message, caption, choices, clientData, style);
 361 }
 362
 363 bool wxSingleChoiceDialog::Create( wxWindow *parent,
 364                                    const wxString& message,
 365                                    const wxString& caption,
 366                                    int n,
 367                                    const wxString *choices,
 368                                    char **clientData,
 369                                    long style,
 370                                    const wxPoint& pos )
 371 {
 372     if ( !wxAnyChoiceDialog::Create(parent, message, caption,
 373                                     n, choices,
 374                                     style, pos) )
 375         return false;
 376
 377     m_selection = n > 0 ? 0 : -1;
 378
 379     if (clientData)
 380     {
 381         for (int i = 0; i < n; i++)
 382             m_listbox->SetClientData(i, clientData[i]);
 383     }
 384
 385     return true;
 386 }
 387
 388 bool wxSingleChoiceDialog::Create( wxWindow *parent,
 389                                    const wxString& message,
 390                                    const wxString& caption,
 391                                    const wxArrayString& choices,
 392                                    char **clientData,
 393                                    long style,
 394                                    const wxPoint& pos )
 395 {
 396     wxCArrayString chs(choices);
 397     return Create( parent, message, caption, chs.GetCount(), chs.GetStrings(),
 398                    clientData, style, pos );
 399 }
 400
 401 // Set the selection
 402 void wxSingleChoiceDialog::SetSelection(int sel)
 403 {
 404     m_listbox->SetSelection(sel);
 405     m_selection = sel;
 406 }
 407
 408 void wxSingleChoiceDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 409 {
 410     m_selection = m_listbox->GetSelection();
 411     m_stringSelection = m_listbox->GetStringSelection();
 412     if ( m_listbox->HasClientUntypedData() )
 413         SetClientData(m_listbox->GetClientData(m_selection));
 414     EndModal(wxID_OK);
 415 }
 416
 417 void wxSingleChoiceDialog::OnListBoxDClick(wxCommandEvent& WXUNUSED(event))
 418 {
 419     m_selection = m_listbox->GetSelection();
 420     m_stringSelection = m_listbox->GetStringSelection();
 421
 422     if ( m_listbox->HasClientUntypedData() )
 423         SetClientData(m_listbox->GetClientData(m_selection));
 424
 425     EndModal(wxID_OK);
 426 }
 427
 428 // ----------------------------------------------------------------------------
 429 // wxMultiChoiceDialog
 430 // ----------------------------------------------------------------------------
 431
 432 IMPLEMENT_DYNAMIC_CLASS(wxMultiChoiceDialog, wxDialog)
 433
 434 bool wxMultiChoiceDialog::Create( wxWindow *parent,
 435                                   const wxString& message,
 436                                   const wxString& caption,
 437                                   int n,
 438                                   const wxString *choices,
 439                                   long style,
 440                                   const wxPoint& pos )
 441 {
 442     if ( !wxAnyChoiceDialog::Create(parent, message, caption,
 443                                     n, choices,
 444                                     style, pos,
 445                                     wxLB_ALWAYS_SB | wxLB_EXTENDED) )
 446         return false;
 447
 448     return true;
 449 }
 450
 451 bool wxMultiChoiceDialog::Create( wxWindow *parent,
 452                                   const wxString& message,
 453                                   const wxString& caption,
 454                                   const wxArrayString& choices,
 455                                   long style,
 456                                   const wxPoint& pos )
 457 {
 458     wxCArrayString chs(choices);
 459     return Create( parent, message, caption, chs.GetCount(),
 460                    chs.GetStrings(), style, pos );
 461 }
 462
 463 void wxMultiChoiceDialog::SetSelections(const wxArrayInt& selections)
 464 {
 465     // first clear all currently selected items
 466     size_t n,
 467            count = m_listbox->GetCount();
 468     for ( n = 0; n < count; ++n )
 469     {
 470         m_listbox->Deselect(n);
 471     }
 472
 473     // now select the ones which should be selected
 474     count = selections.GetCount();
 475     for ( n = 0; n < count; n++ )
 476     {
 477         m_listbox->Select(selections[n]);
 478     }
 479 }
 480
 481 bool wxMultiChoiceDialog::TransferDataFromWindow()
 482 {
 483     m_selections.Empty();
 484     size_t count = m_listbox->GetCount();
 485     for ( size_t n = 0; n < count; n++ )
 486     {
 487         if ( m_listbox->IsSelected(n) )
 488             m_selections.Add(n);
 489     }
 490
 491     return true;
 492 }
 493
 494 #endif // wxUSE_CHOICEDLG