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 <gtk/gtk.h>
  28 #include "wx/gtk/private.h"
  29 #include "wx/gtk/private/messagetype.h"
  30 #include "wx/gtk/private/mnemonics.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     bool needsExtMessage = false;
 170     if (!m_extendedMessage.empty())
 171     {
 172         message = m_message;
 173         needsExtMessage = true;
 174     }
 175     else // extended message not needed
 176     {
 177         message = GetFullMessage();
 178     }
 179
 180     m_widget = gtk_message_dialog_new(parent,
 181                                       GTK_DIALOG_MODAL,
 182                                       type,
 183                                       buttons,
 184                                       "%s",
 185                                       (const char*)wxGTK_CONV(message));
 186
 187     if ( needsExtMessage )
 188     {
 189         gtk_message_dialog_format_secondary_text
 190         (
 191             (GtkMessageDialog *)m_widget,
 192             "%s",
 193             (const char *)wxGTK_CONV(m_extendedMessage)
 194         );
 195     }
 196 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 197
 198     g_object_ref(m_widget);
 199
 200     if (m_caption != wxMessageBoxCaptionStr)
 201         gtk_window_set_title(GTK_WINDOW(m_widget), wxGTK_CONV(m_caption));
 202
 203     GtkDialog * const dlg = GTK_DIALOG(m_widget);
 204
 205     if ( m_dialogStyle & wxSTAY_ON_TOP )
 206     {
 207         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 208     }
 209
 210     // we need to add buttons manually if we use custom labels or always for
 211     // Yes/No/Cancel dialog as GTK+ doesn't support it natively and when using
 212     // Hildon we add all the buttons manually as it doesn't support too many of
 213     // the combinations we may have
 214 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 215     static const bool addButtons = true;
 216 #else // !wxUSE_LIBHILDON
 217     const bool addButtons = buttons == GTK_BUTTONS_NONE;
 218 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
 219
 220
 221     if ( addButtons )
 222     {
 223         if ( m_dialogStyle & wxHELP )
 224         {
 225             gtk_dialog_add_button(dlg, wxGTK_CONV(GetHelpLabel()),
 226                                   GTK_RESPONSE_HELP);
 227         }
 228
 229         if ( m_dialogStyle & wxYES_NO ) // Yes/No or Yes/No/Cancel dialog
 230         {
 231             // Add the buttons in the correct order which is, according to
 232             // http://library.gnome.org/devel/hig-book/stable/windows-alert.html.en
 233             // the following one:
 234             //
 235             // [Help]                  [Alternative] [Cancel] [Affirmative]
 236
 237             gtk_dialog_add_button(dlg, wxGTK_CONV(GetNoLabel()),
 238                                   GTK_RESPONSE_NO);
 239
 240             if ( m_dialogStyle & wxCANCEL )
 241             {
 242                 gtk_dialog_add_button(dlg, wxGTK_CONV(GetCancelLabel()),
 243                                       GTK_RESPONSE_CANCEL);
 244             }
 245
 246             gtk_dialog_add_button(dlg, wxGTK_CONV(GetYesLabel()),
 247                                   GTK_RESPONSE_YES);
 248         }
 249         else // Ok or Ok/Cancel dialog
 250         {
 251             gtk_dialog_add_button(dlg, wxGTK_CONV(GetOKLabel()), GTK_RESPONSE_OK);
 252             if ( m_dialogStyle & wxCANCEL )
 253             {
 254                 gtk_dialog_add_button(dlg, wxGTK_CONV(GetCancelLabel()),
 255                                       GTK_RESPONSE_CANCEL);
 256             }
 257         }
 258     }
 259
 260     gint defaultButton;
 261     if ( m_dialogStyle & wxCANCEL_DEFAULT )
 262         defaultButton = GTK_RESPONSE_CANCEL;
 263     else if ( m_dialogStyle & wxNO_DEFAULT )
 264         defaultButton = GTK_RESPONSE_NO;
 265     else if ( m_dialogStyle & wxYES_NO )
 266         defaultButton = GTK_RESPONSE_YES;
 267     else // No need to change the default value, whatever it is.
 268         defaultButton = GTK_RESPONSE_NONE;
 269
 270     if ( defaultButton != GTK_RESPONSE_NONE )
 271         gtk_dialog_set_default_response(dlg, defaultButton);
 272 }
 273
 274 int wxMessageDialog::ShowModal()
 275 {
 276     // break the mouse capture as it would interfere with modal dialog (see
 277     // wxDialog::ShowModal)
 278     wxWindow * const win = wxWindow::GetCapture();
 279     if ( win )
 280         win->GTKReleaseMouseAndNotify();
 281
 282     if ( !m_widget )
 283     {
 284         GTKCreateMsgDialog();
 285         wxCHECK_MSG( m_widget, wxID_CANCEL,
 286                      wxT("failed to create GtkMessageDialog") );
 287     }
 288
 289     // This should be necessary, but otherwise the
 290     // parent TLW will disappear..
 291     if (m_parent)
 292         gtk_window_present( GTK_WINDOW(m_parent->m_widget) );
 293
 294     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
 295     gtk_widget_destroy(m_widget);
 296     g_object_unref(m_widget);
 297     m_widget = NULL;
 298
 299     switch (result)
 300     {
 301         default:
 302             wxFAIL_MSG(wxT("unexpected GtkMessageDialog return code"));
 303             // fall through
 304
 305         case GTK_RESPONSE_CANCEL:
 306         case GTK_RESPONSE_DELETE_EVENT:
 307         case GTK_RESPONSE_CLOSE:
 308             return wxID_CANCEL;
 309         case GTK_RESPONSE_OK:
 310             return wxID_OK;
 311         case GTK_RESPONSE_YES:
 312             return wxID_YES;
 313         case GTK_RESPONSE_NO:
 314             return wxID_NO;
 315         case GTK_RESPONSE_HELP:
 316             return wxID_HELP;
 317     }
 318 }
 319
 320
 321 #endif // wxUSE_MSGDLG && !defined(__WXGPE__)