src/common/dlgcmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        common/dlgcmn.cpp
   3 // Purpose:     common (to all ports) wxDialog functions
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     28.06.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "dialogbase.h"
  22 #endif
  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 "wx/button.h"
  33     #include "wx/dialog.h"
  34     #include "wx/dcclient.h"
  35     #include "wx/intl.h"
  36     #include "wx/settings.h"
  37     #include "wx/stattext.h"
  38     #include "wx/sizer.h"
  39     #include "wx/button.h"
  40     #include "wx/containr.h"
  41 #endif
  42
  43 //--------------------------------------------------------------------------
  44 // wxDialogBase
  45 //--------------------------------------------------------------------------
  46
  47 // FIXME - temporary hack in absence of wxtopLevelWindow, should be always used
  48 #ifdef wxTopLevelWindowNative
  49 BEGIN_EVENT_TABLE(wxDialogBase, wxTopLevelWindow)
  50     WX_EVENT_TABLE_CONTROL_CONTAINER(wxDialogBase)
  51 END_EVENT_TABLE()
  52
  53 WX_DELEGATE_TO_CONTROL_CONTAINER(wxDialogBase)
  54 #endif
  55
  56 void wxDialogBase::Init()
  57 {
  58     m_returnCode = 0;
  59     m_affirmativeId = wxID_OK;
  60
  61     // the dialogs have this flag on by default to prevent the events from the
  62     // dialog controls from reaching the parent frame which is usually
  63     // undesirable and can lead to unexpected and hard to find bugs
  64     SetExtraStyle(GetExtraStyle() | wxWS_EX_BLOCK_EVENTS);
  65
  66 #ifdef wxTopLevelWindowNative // FIXME - temporary hack, should be always used!
  67     m_container.SetContainerWindow(this);
  68 #endif
  69 }
  70
  71 #if wxUSE_STATTEXT // && wxUSE_TEXTCTRL
  72
  73 wxSizer *wxDialogBase::CreateTextSizer( const wxString& message )
  74 {
  75     bool is_pda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
  76
  77     wxString text = message;
  78
  79     // I admit that this is complete bogus, but it makes
  80     // message boxes work for pda screens temporarily..
  81     int max_width = -1;
  82     if (is_pda)
  83     {
  84         max_width = wxSystemSettings::GetMetric( wxSYS_SCREEN_X ) - 25;
  85         text += wxT('\n');
  86     }
  87
  88
  89     wxBoxSizer *box = new wxBoxSizer( wxVERTICAL );
  90
  91     // get line height for empty lines
  92     int y = 0;
  93     wxFont font( GetFont() );
  94     if (!font.Ok())
  95         font = *wxSWISS_FONT;
  96     GetTextExtent( wxT("H"), (int*)NULL, &y, (int*)NULL, (int*)NULL, &font);
  97
  98     size_t last_space = 0;
  99     wxString line;
 100     for ( size_t pos = 0; pos < text.length(); pos++ )
 101     {
 102         switch ( text[pos] )
 103         {
 104             case wxT('\n'):
 105                 if (!line.empty())
 106                 {
 107                     wxStaticText *s = new wxStaticText( this, wxID_ANY, line );
 108                     box->Add( s );
 109                     line = wxEmptyString;
 110                 }
 111                 else
 112                 {
 113                     box->Add( 5, y );
 114                 }
 115                 break;
 116
 117             case wxT('&'):
 118                 // this is used as accel mnemonic prefix in the wxWidgets
 119                 // controls but in the static messages created by
 120                 // CreateTextSizer() (used by wxMessageBox, for example), we
 121                 // don't want this special meaning, so we need to quote it
 122                 line += wxT('&');
 123
 124                 // fall through to add it normally too
 125
 126             default:
 127                 if (text[pos] == wxT(' '))
 128                     last_space = pos;
 129
 130                 line += message[pos];
 131
 132                 if (is_pda)
 133                 {
 134                     int width = 0;
 135                     GetTextExtent( line, &width, (int*)NULL, (int*)NULL, (int*)NULL, &font );
 136
 137                     if (width > max_width)
 138                     {
 139                         // exception if there was no previous space
 140                         if (last_space == 0)
 141                             last_space = pos;
 142
 143                         int diff = pos-last_space;
 144                         int len = line.Len();
 145                         line.Remove( len-diff, diff );
 146
 147                         wxStaticText *s = new wxStaticText( this, wxID_ANY, line );
 148                         box->Add( s );
 149
 150                         pos = last_space;
 151                         last_space = 0;
 152                         line = wxEmptyString;
 153                     }
 154                 }
 155         }
 156     }
 157
 158     // remaining text behind last '\n'
 159     if (!line.empty())
 160     {
 161         wxStaticText *s2 = new wxStaticText( this, wxID_ANY, line );
 162         box->Add( s2 );
 163     }
 164
 165     return box;
 166 }
 167
 168 #endif // wxUSE_STATTEXT // && wxUSE_TEXTCTRL
 169
 170 #if wxUSE_BUTTON
 171
 172 wxSizer *wxDialogBase::CreateButtonSizer( long flags )
 173 {
 174 #ifdef __SMARTPHONE__
 175     wxDialog* dialog = (wxDialog*) this;
 176     if (flags & wxOK){
 177         dialog->SetLeftMenu(wxID_OK);
 178     }
 179
 180     if (flags & wxCANCEL){
 181         dialog->SetRightMenu(wxID_CANCEL);
 182     }
 183
 184     if (flags & wxYES){
 185         dialog->SetLeftMenu(wxID_YES);
 186     }
 187
 188     if (flags & wxNO){
 189         dialog->SetLeftMenu(wxID_NO);
 190     }
 191     wxBoxSizer* sizer = new wxBoxSizer(wxHORIZONTAL);
 192     return sizer;
 193 #else
 194     return CreateStdDialogButtonSizer( flags );
 195 #endif
 196 }
 197
 198 wxStdDialogButtonSizer *wxDialogBase::CreateStdDialogButtonSizer( long flags )
 199 {
 200     wxStdDialogButtonSizer *sizer = new wxStdDialogButtonSizer();
 201     wxButton *ok = NULL;
 202     wxButton *yes = NULL;
 203     wxButton *no = NULL;
 204
 205     if (flags & wxOK){
 206         ok = new wxButton(this, wxID_OK);
 207         sizer->AddButton(ok);
 208     }
 209
 210     if (flags & wxCANCEL){
 211         wxButton *cancel = new wxButton(this, wxID_CANCEL);
 212         sizer->AddButton(cancel);
 213     }
 214
 215     if (flags & wxYES){
 216         yes = new wxButton(this, wxID_YES);
 217         sizer->AddButton(yes);
 218     }
 219
 220     if (flags & wxNO){
 221         no = new wxButton(this, wxID_NO);
 222         sizer->AddButton(no);
 223     }
 224
 225     if (flags & wxHELP){
 226         wxButton *help = new wxButton(this, wxID_HELP);
 227         sizer->AddButton(help);
 228     }
 229
 230     sizer->Realize();
 231
 232     if (flags & wxNO_DEFAULT)
 233     {
 234         if (no)
 235         {
 236             no->SetDefault();
 237             no->SetFocus();
 238         }
 239     }
 240     else
 241     {
 242         if (ok)
 243         {
 244             ok->SetDefault();
 245             ok->SetFocus();
 246         }
 247         else if (yes)
 248         {
 249             yes->SetDefault();
 250             yes->SetFocus();
 251         }
 252     }
 253
 254     if (flags & wxOK)
 255         SetAffirmativeId(wxID_OK);
 256     else if (flags & wxYES)
 257         SetAffirmativeId(wxID_YES);
 258
 259     return sizer;
 260 }
 261
 262
 263 #endif // wxUSE_BUTTON