src/generic/choicdgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        choicdgg.cpp
   3 // Purpose:     Choice dialogs
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "choicdgg.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24   #include <stdio.h>
  25   #include "wx/utils.h"
  26   #include "wx/dialog.h"
  27   #include "wx/button.h"
  28   #include "wx/listbox.h"
  29   #include "wx/stattext.h"
  30   #include "wx/intl.h"
  31 #endif
  32
  33 #if wxUSE_STATLINE
  34   #include "wx/statline.h"
  35 #endif
  36
  37 #include "wx/generic/choicdgg.h"
  38
  39 /* Split message, using constraints to position controls */
  40 static wxSize wxSplitMessage2( const wxString &message, wxWindow *parent )
  41 {
  42     int y = 10;
  43     int w = 50;
  44     wxString line( _T("") );
  45     for (uint pos = 0; pos < message.Len(); pos++)
  46     {
  47         if (message[pos] == _T('\n'))
  48         {
  49             if (!line.IsEmpty())
  50             {
  51                 wxStaticText *s1 = new wxStaticText( parent, -1, line, wxPoint(15,y) );
  52                 wxSize size1( s1->GetSize() );
  53                 if (size1.x > w) w = size1.x;
  54                 line = _T("");
  55             }
  56             y += 18;
  57         }
  58         else
  59         {
  60             line += message[pos];
  61         }
  62     }
  63
  64     if (!line.IsEmpty())
  65     {
  66         wxStaticText *s2 = new wxStaticText( parent, -1, line, wxPoint(15,y) );
  67         wxSize size2( s2->GetSize() );
  68         if (size2.x > w) w = size2.x;
  69     }
  70
  71     y += 18;
  72
  73     return wxSize(w+30,y);
  74 }
  75
  76
  77 wxString wxGetSingleChoice( const wxString& message, const wxString& caption, int n,
  78                             const wxString *choices, wxWindow *parent,
  79                 int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(centre),
  80                 int WXUNUSED(width), int WXUNUSED(height) )
  81 {
  82     wxSingleChoiceDialog dialog(parent, message, caption, n, choices);
  83     if ( dialog.ShowModal() == wxID_OK )
  84         return dialog.GetStringSelection();
  85     else
  86         return _T("");
  87 }
  88
  89 // Overloaded for backward compatibility
  90 wxString wxGetSingleChoice( const wxString& message, const wxString& caption, int n,
  91                             char *choices[], wxWindow *parent,
  92                 int x, int y, bool centre,
  93                 int width, int height )
  94 {
  95     wxString *strings = new wxString[n];
  96     int i;
  97     for ( i = 0; i < n; i++)
  98     {
  99         strings[i] = choices[i];
 100     }
 101     wxString ans(wxGetSingleChoice(message, caption, n, (const wxString *)strings, parent,
 102         x, y, centre, width, height));
 103     delete[] strings;
 104     return ans;
 105 }
 106
 107 int wxGetSingleChoiceIndex( const wxString& message, const wxString& caption, int n,
 108                             const wxString *choices, wxWindow *parent,
 109                 int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(centre),
 110                 int WXUNUSED(width), int WXUNUSED(height) )
 111 {
 112     wxSingleChoiceDialog dialog(parent, message, caption, n, choices);
 113     if ( dialog.ShowModal() == wxID_OK )
 114         return dialog.GetSelection();
 115     else
 116         return -1;
 117 }
 118
 119 // Overloaded for backward compatibility
 120 int wxGetSingleChoiceIndex( const wxString& message, const wxString& caption, int n,
 121                             wxChar *choices[], wxWindow *parent,
 122                 int x, int y, bool centre,
 123                 int width, int height )
 124 {
 125     wxString *strings = new wxString[n];
 126     for ( int i = 0; i < n; i++)
 127         strings[i] = choices[i];
 128     int ans = wxGetSingleChoiceIndex(message, caption, n, (const wxString *)strings, parent,
 129         x, y, centre, width, height);
 130     delete[] strings;
 131     return ans;
 132 }
 133
 134 wxChar *wxGetSingleChoiceData( const wxString& message, const wxString& caption, int n,
 135                    const wxString *choices, wxChar **client_data, wxWindow *parent,
 136                    int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(centre),
 137                    int WXUNUSED(width), int WXUNUSED(height) )
 138 {
 139     wxSingleChoiceDialog dialog(parent, message, caption, n, choices, client_data);
 140     if ( dialog.ShowModal() == wxID_OK )
 141         return dialog.GetSelectionClientData();
 142     else
 143         return NULL;
 144 }
 145
 146 // Overloaded for backward compatibility
 147 wxChar *wxGetSingleChoiceData( const wxString& message, const wxString& caption, int n,
 148                    wxChar *choices[], wxChar **client_data, wxWindow *parent,
 149                    int x, int y, bool centre,
 150                    int width, int height )
 151 {
 152     wxString *strings = new wxString[n];
 153     int i;
 154     for ( i = 0; i < n; i++)
 155     {
 156         strings[i] = choices[i];
 157     }
 158     wxChar *data = wxGetSingleChoiceData(message, caption, n, (const wxString *)strings, client_data, parent,
 159         x, y, centre, width, height);
 160     delete[] strings;
 161     return data;
 162 }
 163
 164
 165 /* Multiple choice dialog contributed by Robert Cowell
 166  *
 167
 168 The new data passed are in the "int nsel" and "int * selection"
 169
 170 The idea is to make a multiple selection from list of strings.
 171 The returned value is the total number selected. initialily there
 172 are nsel selected, with indices stored in
 173 selection[0],...,selection[nsel-1] which appear highlighted to
 174 begin with. On exit with value i
 175 selection[0..i-1] contains the indices of the selected items.
 176 (Some prior selectecions might be deselected.)
 177 Thus selection must be as big as choices, in case all items are
 178 selected.
 179
 180 */
 181 /*
 182 int wxGetMultipleChoice(const wxString& message, const wxString& caption,
 183               int n, const wxString *choices,
 184               int nsel, int * selection,
 185               wxWindow *parent , int x , int y, bool centre,
 186               int width, int height)
 187 {
 188     return -1;
 189 }
 190 */
 191
 192 // wxSingleChoiceDialog
 193
 194 #if !USE_SHARED_LIBRARY
 195 BEGIN_EVENT_TABLE(wxSingleChoiceDialog, wxDialog)
 196     EVT_BUTTON(wxID_OK, wxSingleChoiceDialog::OnOK)
 197     EVT_LISTBOX_DCLICK(wxID_LISTBOX, wxSingleChoiceDialog::OnListBoxDClick)
 198 END_EVENT_TABLE()
 199
 200 IMPLEMENT_CLASS(wxSingleChoiceDialog, wxDialog)
 201 #endif
 202
 203 wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent, const wxString& message, const wxString& caption,
 204         int n, const wxString *choices, wxChar **clientData, long style, const wxPoint& pos):
 205       wxDialog(parent, -1, caption, pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE|wxDIALOG_MODAL|wxTAB_TRAVERSAL)
 206 {
 207         Create(parent, message, caption, n, choices, clientData, style);
 208 }
 209
 210 wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent, const wxString& message, const wxString& caption,
 211         const wxStringList& choices, wxChar **clientData, long style, const wxPoint& pos):
 212       wxDialog(parent, -1, caption, pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE|wxDIALOG_MODAL)
 213 {
 214         Create(parent, message, caption, choices, clientData, style);
 215 }
 216
 217 bool wxSingleChoiceDialog::Create(wxWindow *parent, const wxString& message, const wxString& caption,
 218         const wxStringList& choices, wxChar **clientData, long style, const wxPoint& pos)
 219 {
 220     wxString *strings = new wxString[choices.Number()];
 221     int i;
 222     for ( i = 0; i < choices.Number(); i++)
 223     {
 224         strings[i] = (char *)choices.Nth(i)->Data();
 225     }
 226     bool ans = Create(parent, message, caption, choices.Number(), strings, clientData, style, pos);
 227     delete[] strings;
 228     return ans;
 229 }
 230
 231 bool wxSingleChoiceDialog::Create( wxWindow *WXUNUSED(parent), const wxString& message,
 232                                    const wxString& WXUNUSED(caption), int n,
 233                                    const wxString *choices, wxChar **clientData, long style,
 234                                    const wxPoint& WXUNUSED(pos) )
 235 {
 236     m_dialogStyle = style;
 237     m_selection = 0;
 238     m_stringSelection = _T("");
 239     m_clientData = NULL;
 240
 241     wxBeginBusyCursor();
 242
 243     wxSize message_size( wxSplitMessage2( message, this ) );
 244
 245     wxButton *ok = (wxButton *) NULL;
 246     wxButton *cancel = (wxButton *) NULL;
 247     wxList m_buttons;
 248
 249     int y = message_size.y + 15;
 250
 251     int listbox_height = wxMin( 160, n*20 );
 252
 253     wxListBox *listBox = new wxListBox( this, wxID_LISTBOX, wxPoint(10, y), wxSize(240, listbox_height),
 254                                         n, choices, wxLB_ALWAYS_SB );
 255     listBox->SetSelection( m_selection );
 256     if (clientData)
 257     {
 258         for (int i = 0; i < n; i++)
 259             listBox->SetClientData(i, clientData[i]);
 260     }
 261
 262     y += listbox_height + 35;
 263
 264     if (style & wxOK)
 265     {
 266         ok = new wxButton( this, wxID_OK, _("OK"), wxPoint(-1,y), wxSize(80,-1) );
 267         m_buttons.Append( ok );
 268     }
 269
 270     if (style & wxCANCEL)
 271     {
 272         cancel = new wxButton( this, wxID_CANCEL, _("Cancel"), wxPoint(-1,y), wxSize(80,-1) );
 273         m_buttons.Append( cancel );
 274     }
 275
 276     if (ok)
 277     {
 278         ok->SetDefault();
 279         ok->SetFocus();
 280     }
 281
 282     int w = m_buttons.GetCount() * 100;
 283     if (message_size.x > w) w = message_size.x;
 284     int space = w / (m_buttons.GetCount()*2);
 285
 286     listBox->SetSize( 20, -1, w-10, listbox_height );
 287
 288     int m = 0;
 289     wxNode *node = m_buttons.First();
 290     while (node)
 291     {
 292         wxWindow *win = (wxWindow*)node->Data();
 293         int x = (m*2+1)*space - 40 + 15;
 294         win->Move( x, -1 );
 295         node = node->Next();
 296         m++;
 297     }
 298
 299 #if wxUSE_STATLINE
 300     (void) new wxStaticLine( this, -1, wxPoint(0,y-20), wxSize(w+30, 5) );
 301 #endif
 302
 303     SetSize( w+30, y+40 );
 304
 305     Centre( wxBOTH );
 306
 307     wxEndBusyCursor();
 308
 309     return TRUE;
 310 }
 311
 312 // Set the selection
 313 void wxSingleChoiceDialog::SetSelection(int sel)
 314 {
 315     wxListBox *listBox = (wxListBox *)FindWindow(wxID_LISTBOX);
 316     if (listBox)
 317     {
 318         listBox->SetSelection(sel);
 319     }
 320     m_selection = sel;
 321 }
 322
 323 void wxSingleChoiceDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 324 {
 325     wxListBox *listBox = (wxListBox *)FindWindow(wxID_LISTBOX);
 326     if ( listBox )
 327     {
 328         m_selection = listBox->GetSelection();
 329         m_stringSelection = listBox->GetStringSelection();
 330         m_clientData = (wxChar*)listBox->GetClientData(m_selection);
 331     }
 332
 333     EndModal(wxID_OK);
 334 }
 335
 336 void wxSingleChoiceDialog::OnListBoxDClick(wxCommandEvent& WXUNUSED(event))
 337 {
 338     wxListBox *listBox = (wxListBox *)FindWindow(wxID_LISTBOX);
 339     if ( listBox )
 340     {
 341         m_selection = listBox->GetSelection();
 342         m_stringSelection = listBox->GetStringSelection();
 343         m_clientData = (wxChar*)listBox->GetClientData(m_selection);
 344     }
 345
 346     EndModal(wxID_OK);
 347 }
 348