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 // Copyright:   (c) Vaclav Slavik, 2003
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_MSGDLG && !defined(__WXGPE__)
  19
  20 #include "wx/msgdlg.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/intl.h"
  24 #endif
  25
  26 #include "wx/modalhook.h"
  27
  28 #include <gtk/gtk.h>
  29 #include "wx/gtk/private.h"
  30 #include "wx/gtk/private/messagetype.h"
  31 #include "wx/gtk/private/mnemonics.h"
  32 #include "wx/gtk/private/dialogcount.h"
  33
  34 #if wxUSE_LIBHILDON
  35     #include <hildon-widgets/hildon-note.h>
  36 #endif // wxUSE_LIBHILDON
  37
  38 #if wxUSE_LIBHILDON2
  39     #include <hildon/hildon.h>
  40 #endif // wxUSE_LIBHILDON2
  41
  42 IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
  43
  44 wxMessageDialog::wxMessageDialog(wxWindow *parent,
  45                                  const wxString& message,
  46                                  const wxString& caption,
  47                                  long style,
  48                                  const wxPoint& WXUNUSED(pos))
  49                : wxMessageDialogBase
  50                  (
  51                     GetParentForModalDialog(parent, style),
  52                     message,
  53                     caption,
  54                     style
  55                  )
  56 {
  57 }
  58
  59 wxString wxMessageDialog::GetDefaultYesLabel() const
  60 {
  61     return GTK_STOCK_YES;
  62 }
  63
  64 wxString wxMessageDialog::GetDefaultNoLabel() const
  65 {
  66     return GTK_STOCK_NO;
  67 }
  68
  69 wxString wxMessageDialog::GetDefaultOKLabel() const
  70 {
  71     return GTK_STOCK_OK;
  72 }
  73
  74 wxString wxMessageDialog::GetDefaultCancelLabel() const
  75 {
  76     return GTK_STOCK_CANCEL;
  77 }
  78
  79 wxString wxMessageDialog::GetDefaultHelpLabel() const
  80 {
  81     return GTK_STOCK_HELP;
  82 }
  83
  84 void wxMessageDialog::DoSetCustomLabel(wxString& var, const ButtonLabel& label)
  85 {
  86     int stockId = label.GetStockId();
  87     if ( stockId == wxID_NONE )
  88     {
  89         wxMessageDialogBase::DoSetCustomLabel(var, label);
  90         var = wxConvertMnemonicsToGTK(var);
  91     }
  92     else // stock label
  93     {
  94         var = wxGetStockGtkID(stockId);
  95     }
  96 }
  97
  98 void wxMessageDialog::GTKCreateMsgDialog()
  99 {
 100     GtkWindow * const parent = m_parent ? GTK_WINDOW(m_parent->m_widget) : NULL;
 101
 102 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 103     const char *stockIcon = "";
 104
 105     switch ( GetEffectiveIcon() )
 106     {
 107         case wxICON_ERROR:
 108             stockIcon = "qgn_note_gene_syserror";
 109             break;
 110
 111         case wxICON_WARNING:
 112             stockIcon = "qgn_note_gene_syswarning";
 113             break;
 114
 115         case wxICON_QUESTION:
 116             stockIcon = "qgn_note_confirm";
 117             break;
 118
 119         case wxICON_INFORMATION:
 120             stockIcon = "qgn_note_info";
 121             break;
 122     }
 123
 124     // there is no generic note creation function in public API so we have no
 125     // choice but to use g_object_new() directly
 126     m_widget = (GtkWidget *)g_object_new
 127                (
 128                 HILDON_TYPE_NOTE,
 129 #if wxUSE_LIBHILDON
 130                 "note_type", HILDON_NOTE_CONFIRMATION_BUTTON_TYPE,
 131 #else // wxUSE_LIBHILDON
 132                 "note_type", HILDON_NOTE_TYPE_CONFIRMATION_BUTTON,
 133 #endif // wxUSE_LIBHILDON /wxUSE_LIBHILDON2
 134                 "description", (const char *)GetFullMessage().utf8_str(),
 135                 "icon", stockIcon,
 136                 NULL
 137                );
 138 #else // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 139     GtkMessageType type = GTK_MESSAGE_ERROR;
 140     GtkButtonsType buttons = GTK_BUTTONS_NONE;
 141
 142     // when using custom labels, we have to add all the buttons ourselves
 143     if ( !HasCustomLabels() )
 144     {
 145         // "Help" button is not supported by predefined combinations so we
 146         // always need to create the buttons manually when it's used.
 147         if ( !(m_dialogStyle & wxHELP) )
 148         {
 149             if ( m_dialogStyle & wxYES_NO )
 150             {
 151                 if ( !(m_dialogStyle & wxCANCEL) )
 152                     buttons = GTK_BUTTONS_YES_NO;
 153                 //else: no standard GTK_BUTTONS_YES_NO_CANCEL so leave as NONE
 154             }
 155             else if ( m_dialogStyle & wxOK )
 156             {
 157                 buttons = m_dialogStyle & wxCANCEL ? GTK_BUTTONS_OK_CANCEL
 158                                                    : GTK_BUTTONS_OK;
 159             }
 160         }
 161     }
 162
 163     if ( !wxGTKImpl::ConvertMessageTypeFromWX(GetEffectiveIcon(), &type) )
 164     {
 165         // if no style is explicitly specified, detect the suitable icon
 166         // ourselves (this can be disabled by using wxICON_NONE)
 167         type = m_dialogStyle & wxYES ? GTK_MESSAGE_QUESTION : GTK_MESSAGE_INFO;
 168     }
 169
 170     wxString message;
 171     bool needsExtMessage = false;
 172     if (!m_extendedMessage.empty())
 173     {
 174         message = m_message;
 175         needsExtMessage = true;
 176     }
 177     else // extended message not needed
 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 ( needsExtMessage )
 190     {
 191         gtk_message_dialog_format_secondary_text
 192         (
 193             (GtkMessageDialog *)m_widget,
 194             "%s",
 195             (const char *)wxGTK_CONV(m_extendedMessage)
 196         );
 197     }
 198 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 199
 200     g_object_ref(m_widget);
 201
 202     if (m_caption != wxMessageBoxCaptionStr)
 203         gtk_window_set_title(GTK_WINDOW(m_widget), wxGTK_CONV(m_caption));
 204
 205     GtkDialog * const dlg = GTK_DIALOG(m_widget);
 206
 207     if ( m_dialogStyle & wxSTAY_ON_TOP )
 208     {
 209         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 210     }
 211
 212     // we need to add buttons manually if we use custom labels or always for
 213     // Yes/No/Cancel dialog as GTK+ doesn't support it natively and when using
 214     // Hildon we add all the buttons manually as it doesn't support too many of
 215     // the combinations we may have
 216 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 217     static const bool addButtons = true;
 218 #else // !wxUSE_LIBHILDON
 219     const bool addButtons = buttons == GTK_BUTTONS_NONE;
 220 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
 221
 222
 223     if ( addButtons )
 224     {
 225         if ( m_dialogStyle & wxHELP )
 226         {
 227             gtk_dialog_add_button(dlg, wxGTK_CONV(GetHelpLabel()),
 228                                   GTK_RESPONSE_HELP);
 229         }
 230
 231         if ( m_dialogStyle & wxYES_NO ) // Yes/No or Yes/No/Cancel dialog
 232         {
 233             // Add the buttons in the correct order which is, according to
 234             // http://library.gnome.org/devel/hig-book/stable/windows-alert.html.en
 235             // the following one:
 236             //
 237             // [Help]                  [Alternative] [Cancel] [Affirmative]
 238
 239             gtk_dialog_add_button(dlg, wxGTK_CONV(GetNoLabel()),
 240                                   GTK_RESPONSE_NO);
 241
 242             if ( m_dialogStyle & wxCANCEL )
 243             {
 244                 gtk_dialog_add_button(dlg, wxGTK_CONV(GetCancelLabel()),
 245                                       GTK_RESPONSE_CANCEL);
 246             }
 247
 248             gtk_dialog_add_button(dlg, wxGTK_CONV(GetYesLabel()),
 249                                   GTK_RESPONSE_YES);
 250         }
 251         else // Ok or Ok/Cancel dialog
 252         {
 253             gtk_dialog_add_button(dlg, wxGTK_CONV(GetOKLabel()), GTK_RESPONSE_OK);
 254             if ( m_dialogStyle & wxCANCEL )
 255             {
 256                 gtk_dialog_add_button(dlg, wxGTK_CONV(GetCancelLabel()),
 257                                       GTK_RESPONSE_CANCEL);
 258             }
 259         }
 260     }
 261
 262     gint defaultButton;
 263     if ( m_dialogStyle & wxCANCEL_DEFAULT )
 264         defaultButton = GTK_RESPONSE_CANCEL;
 265     else if ( m_dialogStyle & wxNO_DEFAULT )
 266         defaultButton = GTK_RESPONSE_NO;
 267     else if ( m_dialogStyle & wxYES_NO )
 268         defaultButton = GTK_RESPONSE_YES;
 269     else // No need to change the default value, whatever it is.
 270         defaultButton = GTK_RESPONSE_NONE;
 271
 272     if ( defaultButton != GTK_RESPONSE_NONE )
 273         gtk_dialog_set_default_response(dlg, defaultButton);
 274 }
 275
 276 int wxMessageDialog::ShowModal()
 277 {
 278     WX_HOOK_MODAL_DIALOG();
 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     wxOpenModalDialogLocker modalLocker;
 299
 300     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
 301     GTKDisconnect(m_widget);
 302     gtk_widget_destroy(m_widget);
 303     g_object_unref(m_widget);
 304     m_widget = NULL;
 305
 306     switch (result)
 307     {
 308         default:
 309             wxFAIL_MSG(wxT("unexpected GtkMessageDialog return code"));
 310             // fall through
 311
 312         case GTK_RESPONSE_CANCEL:
 313         case GTK_RESPONSE_DELETE_EVENT:
 314         case GTK_RESPONSE_CLOSE:
 315             return wxID_CANCEL;
 316         case GTK_RESPONSE_OK:
 317             return wxID_OK;
 318         case GTK_RESPONSE_YES:
 319             return wxID_YES;
 320         case GTK_RESPONSE_NO:
 321             return wxID_NO;
 322         case GTK_RESPONSE_HELP:
 323             return wxID_HELP;
 324     }
 325 }
 326
 327
 328 #endif // wxUSE_MSGDLG && !defined(__WXGPE__)