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