src/gtk/msgdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/msgdlg.cpp
   3 // Purpose:     wxMessageDialog for GTK+2
   4 // Author:      Vaclav Slavik
   5 // Modified by:
   6 // Created:     2003/02/28
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vaclav Slavik, 2003
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_MSGDLG && !defined(__WXGPE__)
  20
  21 #include "wx/msgdlg.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/intl.h"
  25 #endif
  26
  27 #include "wx/gtk/private.h"
  28 #include "wx/gtk/private/messagetype.h"
  29 #include "wx/gtk/private/mnemonics.h"
  30 #include <gtk/gtk.h>
  31
  32 #if wxUSE_LIBHILDON
  33     #include <hildon-widgets/hildon-note.h>
  34 #endif // wxUSE_LIBHILDON
  35
  36 #if wxUSE_LIBHILDON2
  37     #include <hildon/hildon.h>
  38 #endif // wxUSE_LIBHILDON2
  39
  40 IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
  41
  42 wxMessageDialog::wxMessageDialog(wxWindow *parent,
  43                                  const wxString& message,
  44                                  const wxString& caption,
  45                                  long style,
  46                                  const wxPoint& WXUNUSED(pos))
  47                : wxMessageDialogBase
  48                  (
  49                     GetParentForModalDialog(parent, style),
  50                     message,
  51                     caption,
  52                     style
  53                  )
  54 {
  55 }
  56
  57 wxString wxMessageDialog::GetDefaultYesLabel() const
  58 {
  59     return GTK_STOCK_YES;
  60 }
  61
  62 wxString wxMessageDialog::GetDefaultNoLabel() const
  63 {
  64     return GTK_STOCK_NO;
  65 }
  66
  67 wxString wxMessageDialog::GetDefaultOKLabel() const
  68 {
  69     return GTK_STOCK_OK;
  70 }
  71
  72 wxString wxMessageDialog::GetDefaultCancelLabel() const
  73 {
  74     return GTK_STOCK_CANCEL;
  75 }
  76
  77 wxString wxMessageDialog::GetDefaultHelpLabel() const
  78 {
  79     return GTK_STOCK_HELP;
  80 }
  81
  82 void wxMessageDialog::DoSetCustomLabel(wxString& var, const ButtonLabel& label)
  83 {
  84     int stockId = label.GetStockId();
  85     if ( stockId == wxID_NONE )
  86     {
  87         wxMessageDialogBase::DoSetCustomLabel(var, label);
  88         var = wxConvertMnemonicsToGTK(var);
  89     }
  90     else // stock label
  91     {
  92         var = wxGetStockGtkID(stockId);
  93     }
  94 }
  95
  96 void wxMessageDialog::GTKCreateMsgDialog()
  97 {
  98     GtkWindow * const parent = m_parent ? GTK_WINDOW(m_parent->m_widget) : NULL;
  99
 100 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 101     const char *stockIcon = "";
 102
 103     switch ( GetEffectiveIcon() )
 104     {
 105         case wxICON_ERROR:
 106             stockIcon = "qgn_note_gene_syserror";
 107             break;
 108
 109         case wxICON_WARNING:
 110             stockIcon = "qgn_note_gene_syswarning";
 111             break;
 112
 113         case wxICON_QUESTION:
 114             stockIcon = "qgn_note_confirm";
 115             break;
 116
 117         case wxICON_INFORMATION:
 118             stockIcon = "qgn_note_info";
 119             break;
 120     }
 121
 122     // there is no generic note creation function in public API so we have no
 123     // choice but to use g_object_new() directly
 124     m_widget = (GtkWidget *)g_object_new
 125                (
 126                 HILDON_TYPE_NOTE,
 127 #if wxUSE_LIBHILDON
 128                 "note_type", HILDON_NOTE_CONFIRMATION_BUTTON_TYPE,
 129 #else // wxUSE_LIBHILDON
 130                 "note_type", HILDON_NOTE_TYPE_CONFIRMATION_BUTTON,
 131 #endif // wxUSE_LIBHILDON /wxUSE_LIBHILDON2
 132                 "description", (const char *)GetFullMessage().utf8_str(),
 133                 "icon", stockIcon,
 134                 NULL
 135                );
 136 #else // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 137     GtkMessageType type = GTK_MESSAGE_ERROR;
 138     GtkButtonsType buttons = GTK_BUTTONS_NONE;
 139
 140     // when using custom labels, we have to add all the buttons ourselves
 141     if ( !HasCustomLabels() )
 142     {
 143         // "Help" button is not supported by predefined combinations so we
 144         // always need to create the buttons manually when it's used.
 145         if ( !(m_dialogStyle & wxHELP) )
 146         {
 147             if ( m_dialogStyle & wxYES_NO )
 148             {
 149                 if ( !(m_dialogStyle & wxCANCEL) )
 150                     buttons = GTK_BUTTONS_YES_NO;
 151                 //else: no standard GTK_BUTTONS_YES_NO_CANCEL so leave as NONE
 152             }
 153             else if ( m_dialogStyle & wxOK )
 154             {
 155                 buttons = m_dialogStyle & wxCANCEL ? GTK_BUTTONS_OK_CANCEL
 156                                                    : GTK_BUTTONS_OK;
 157             }
 158         }
 159     }
 160
 161     if ( !wxGTKImpl::ConvertMessageTypeFromWX(GetEffectiveIcon(), &type) )
 162     {
 163         // if no style is explicitly specified, detect the suitable icon
 164         // ourselves (this can be disabled by using wxICON_NONE)
 165         type = m_dialogStyle & wxYES ? GTK_MESSAGE_QUESTION : GTK_MESSAGE_INFO;
 166     }
 167
 168     wxString message;
 169 #if GTK_CHECK_VERSION(2, 6, 0)
 170     bool needsExtMessage = false;
 171     if ( gtk_check_version(2, 6, 0) == NULL && !m_extendedMessage.empty() )
 172     {
 173         message = m_message;
 174         needsExtMessage = true;
 175     }
 176     else // extended message not needed or not supported
 177 #endif // GTK+ 2.6+
 178     {
 179         message = GetFullMessage();
 180     }
 181
 182     m_widget = gtk_message_dialog_new(parent,
 183                                       GTK_DIALOG_MODAL,
 184                                       type,
 185                                       buttons,
 186                                       "%s",
 187                                       (const char*)wxGTK_CONV(message));
 188
 189 #if GTK_CHECK_VERSION(2, 6, 0)
 190     if ( needsExtMessage )
 191     {
 192         gtk_message_dialog_format_secondary_text
 193         (
 194             (GtkMessageDialog *)m_widget,
 195             "%s",
 196             (const char *)wxGTK_CONV(m_extendedMessage)
 197         );
 198     }
 199 #endif // GTK+ 2.6+
 200 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 201
 202     g_object_ref(m_widget);
 203
 204     if (m_caption != wxMessageBoxCaptionStr)
 205         gtk_window_set_title(GTK_WINDOW(m_widget), wxGTK_CONV(m_caption));
 206
 207     GtkDialog * const dlg = GTK_DIALOG(m_widget);
 208
 209     if ( m_dialogStyle & wxSTAY_ON_TOP )
 210     {
 211         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 212     }
 213
 214     // we need to add buttons manually if we use custom labels or always for
 215     // Yes/No/Cancel dialog as GTK+ doesn't support it natively and when using
 216     // Hildon we add all the buttons manually as it doesn't support too many of
 217     // the combinations we may have
 218 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 219     static const bool addButtons = true;
 220 #else // !wxUSE_LIBHILDON
 221     const bool addButtons = buttons == GTK_BUTTONS_NONE;
 222 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
 223
 224
 225     if ( addButtons )
 226     {
 227         if ( m_dialogStyle & wxHELP )
 228         {
 229             gtk_dialog_add_button(dlg, wxGTK_CONV(GetHelpLabel()),
 230                                   GTK_RESPONSE_HELP);
 231         }
 232
 233         if ( m_dialogStyle & wxYES_NO ) // Yes/No or Yes/No/Cancel dialog
 234         {
 235             // Add the buttons in the correct order which is, according to
 236             // http://library.gnome.org/devel/hig-book/stable/windows-alert.html.en
 237             // the following one:
 238             //
 239             // [Help]                  [Alternative] [Cancel] [Affirmative]
 240
 241             gtk_dialog_add_button(dlg, wxGTK_CONV(GetNoLabel()),
 242                                   GTK_RESPONSE_NO);
 243
 244             if ( m_dialogStyle & wxCANCEL )
 245             {
 246                 gtk_dialog_add_button(dlg, wxGTK_CONV(GetCancelLabel()),
 247                                       GTK_RESPONSE_CANCEL);
 248             }
 249
 250             gtk_dialog_add_button(dlg, wxGTK_CONV(GetYesLabel()),
 251                                   GTK_RESPONSE_YES);
 252         }
 253         else // Ok or Ok/Cancel dialog
 254         {
 255             gtk_dialog_add_button(dlg, wxGTK_CONV(GetOKLabel()), GTK_RESPONSE_OK);
 256             if ( m_dialogStyle & wxCANCEL )
 257             {
 258                 gtk_dialog_add_button(dlg, wxGTK_CONV(GetCancelLabel()),
 259                                       GTK_RESPONSE_CANCEL);
 260             }
 261         }
 262     }
 263
 264     gint defaultButton;
 265     if ( m_dialogStyle & wxCANCEL_DEFAULT )
 266         defaultButton = GTK_RESPONSE_CANCEL;
 267     else if ( m_dialogStyle & wxNO_DEFAULT )
 268         defaultButton = GTK_RESPONSE_NO;
 269     else if ( m_dialogStyle & wxYES_NO )
 270         defaultButton = GTK_RESPONSE_YES;
 271     else // No need to change the default value, whatever it is.
 272         defaultButton = GTK_RESPONSE_NONE;
 273
 274     if ( defaultButton != GTK_RESPONSE_NONE )
 275         gtk_dialog_set_default_response(dlg, defaultButton);
 276 }
 277
 278 int wxMessageDialog::ShowModal()
 279 {
 280     // break the mouse capture as it would interfere with modal dialog (see
 281     // wxDialog::ShowModal)
 282     wxWindow * const win = wxWindow::GetCapture();
 283     if ( win )
 284         win->GTKReleaseMouseAndNotify();
 285
 286     if ( !m_widget )
 287     {
 288         GTKCreateMsgDialog();
 289         wxCHECK_MSG( m_widget, wxID_CANCEL,
 290                      wxT("failed to create GtkMessageDialog") );
 291     }
 292
 293     // This should be necessary, but otherwise the
 294     // parent TLW will disappear..
 295     if (m_parent)
 296         gtk_window_present( GTK_WINDOW(m_parent->m_widget) );
 297
 298     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
 299     gtk_widget_destroy(m_widget);
 300     g_object_unref(m_widget);
 301     m_widget = NULL;
 302
 303     switch (result)
 304     {
 305         default:
 306             wxFAIL_MSG(wxT("unexpected GtkMessageDialog return code"));
 307             // fall through
 308
 309         case GTK_RESPONSE_CANCEL:
 310         case GTK_RESPONSE_DELETE_EVENT:
 311         case GTK_RESPONSE_CLOSE:
 312             return wxID_CANCEL;
 313         case GTK_RESPONSE_OK:
 314             return wxID_OK;
 315         case GTK_RESPONSE_YES:
 316             return wxID_YES;
 317         case GTK_RESPONSE_NO:
 318             return wxID_NO;
 319         case GTK_RESPONSE_HELP:
 320             return wxID_HELP;
 321     }
 322 }
 323
 324
 325 #endif // wxUSE_MSGDLG && !defined(__WXGPE__)