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/modalhook.h"
  28
  29 #include <gtk/gtk.h>
  30 #include "wx/gtk/private.h"
  31 #include "wx/gtk/private/messagetype.h"
  32 #include "wx/gtk/private/mnemonics.h"
  33 #include "wx/gtk/private/dialogcount.h"
  34
  35 #if wxUSE_LIBHILDON
  36     #include <hildon-widgets/hildon-note.h>
  37 #endif // wxUSE_LIBHILDON
  38
  39 #if wxUSE_LIBHILDON2
  40     #include <hildon/hildon.h>
  41 #endif // wxUSE_LIBHILDON2
  42
  43 IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
  44
  45 wxMessageDialog::wxMessageDialog(wxWindow *parent,
  46                                  const wxString& message,
  47                                  const wxString& caption,
  48                                  long style,
  49                                  const wxPoint& WXUNUSED(pos))
  50                : wxMessageDialogBase
  51                  (
  52                     GetParentForModalDialog(parent, style),
  53                     message,
  54                     caption,
  55                     style
  56                  )
  57 {
  58 }
  59
  60 wxString wxMessageDialog::GetDefaultYesLabel() const
  61 {
  62     return GTK_STOCK_YES;
  63 }
  64
  65 wxString wxMessageDialog::GetDefaultNoLabel() const
  66 {
  67     return GTK_STOCK_NO;
  68 }
  69
  70 wxString wxMessageDialog::GetDefaultOKLabel() const
  71 {
  72     return GTK_STOCK_OK;
  73 }
  74
  75 wxString wxMessageDialog::GetDefaultCancelLabel() const
  76 {
  77     return GTK_STOCK_CANCEL;
  78 }
  79
  80 wxString wxMessageDialog::GetDefaultHelpLabel() const
  81 {
  82     return GTK_STOCK_HELP;
  83 }
  84
  85 void wxMessageDialog::DoSetCustomLabel(wxString& var, const ButtonLabel& label)
  86 {
  87     int stockId = label.GetStockId();
  88     if ( stockId == wxID_NONE )
  89     {
  90         wxMessageDialogBase::DoSetCustomLabel(var, label);
  91         var = wxConvertMnemonicsToGTK(var);
  92     }
  93     else // stock label
  94     {
  95         var = wxGetStockGtkID(stockId);
  96     }
  97 }
  98
  99 void wxMessageDialog::GTKCreateMsgDialog()
 100 {
 101     GtkWindow * const parent = m_parent ? GTK_WINDOW(m_parent->m_widget) : NULL;
 102
 103 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 104     const char *stockIcon = "";
 105
 106     switch ( GetEffectiveIcon() )
 107     {
 108         case wxICON_ERROR:
 109             stockIcon = "qgn_note_gene_syserror";
 110             break;
 111
 112         case wxICON_WARNING:
 113             stockIcon = "qgn_note_gene_syswarning";
 114             break;
 115
 116         case wxICON_QUESTION:
 117             stockIcon = "qgn_note_confirm";
 118             break;
 119
 120         case wxICON_INFORMATION:
 121             stockIcon = "qgn_note_info";
 122             break;
 123     }
 124
 125     // there is no generic note creation function in public API so we have no
 126     // choice but to use g_object_new() directly
 127     m_widget = (GtkWidget *)g_object_new
 128                (
 129                 HILDON_TYPE_NOTE,
 130 #if wxUSE_LIBHILDON
 131                 "note_type", HILDON_NOTE_CONFIRMATION_BUTTON_TYPE,
 132 #else // wxUSE_LIBHILDON
 133                 "note_type", HILDON_NOTE_TYPE_CONFIRMATION_BUTTON,
 134 #endif // wxUSE_LIBHILDON /wxUSE_LIBHILDON2
 135                 "description", (const char *)GetFullMessage().utf8_str(),
 136                 "icon", stockIcon,
 137                 NULL
 138                );
 139 #else // !wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 140     GtkMessageType type = GTK_MESSAGE_ERROR;
 141     GtkButtonsType buttons = GTK_BUTTONS_NONE;
 142
 143     // when using custom labels, we have to add all the buttons ourselves
 144     if ( !HasCustomLabels() )
 145     {
 146         // "Help" button is not supported by predefined combinations so we
 147         // always need to create the buttons manually when it's used.
 148         if ( !(m_dialogStyle & wxHELP) )
 149         {
 150             if ( m_dialogStyle & wxYES_NO )
 151             {
 152                 if ( !(m_dialogStyle & wxCANCEL) )
 153                     buttons = GTK_BUTTONS_YES_NO;
 154                 //else: no standard GTK_BUTTONS_YES_NO_CANCEL so leave as NONE
 155             }
 156             else if ( m_dialogStyle & wxOK )
 157             {
 158                 buttons = m_dialogStyle & wxCANCEL ? GTK_BUTTONS_OK_CANCEL
 159                                                    : GTK_BUTTONS_OK;
 160             }
 161         }
 162     }
 163
 164     if ( !wxGTKImpl::ConvertMessageTypeFromWX(GetEffectiveIcon(), &type) )
 165     {
 166         // if no style is explicitly specified, detect the suitable icon
 167         // ourselves (this can be disabled by using wxICON_NONE)
 168         type = m_dialogStyle & wxYES ? GTK_MESSAGE_QUESTION : GTK_MESSAGE_INFO;
 169     }
 170
 171     wxString message;
 172     bool needsExtMessage = false;
 173     if (!m_extendedMessage.empty())
 174     {
 175         message = m_message;
 176         needsExtMessage = true;
 177     }
 178     else // extended message not needed
 179     {
 180         message = GetFullMessage();
 181     }
 182
 183     m_widget = gtk_message_dialog_new(parent,
 184                                       GTK_DIALOG_MODAL,
 185                                       type,
 186                                       buttons,
 187                                       "%s",
 188                                       (const char*)wxGTK_CONV(message));
 189
 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 // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 200
 201     g_object_ref(m_widget);
 202
 203     if (m_caption != wxMessageBoxCaptionStr)
 204         gtk_window_set_title(GTK_WINDOW(m_widget), wxGTK_CONV(m_caption));
 205
 206     GtkDialog * const dlg = GTK_DIALOG(m_widget);
 207
 208     if ( m_dialogStyle & wxSTAY_ON_TOP )
 209     {
 210         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 211     }
 212
 213     // we need to add buttons manually if we use custom labels or always for
 214     // Yes/No/Cancel dialog as GTK+ doesn't support it natively and when using
 215     // Hildon we add all the buttons manually as it doesn't support too many of
 216     // the combinations we may have
 217 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 218     static const bool addButtons = true;
 219 #else // !wxUSE_LIBHILDON
 220     const bool addButtons = buttons == GTK_BUTTONS_NONE;
 221 #endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
 222
 223
 224     if ( addButtons )
 225     {
 226         if ( m_dialogStyle & wxHELP )
 227         {
 228             gtk_dialog_add_button(dlg, wxGTK_CONV(GetHelpLabel()),
 229                                   GTK_RESPONSE_HELP);
 230         }
 231
 232         if ( m_dialogStyle & wxYES_NO ) // Yes/No or Yes/No/Cancel dialog
 233         {
 234             // Add the buttons in the correct order which is, according to
 235             // http://library.gnome.org/devel/hig-book/stable/windows-alert.html.en
 236             // the following one:
 237             //
 238             // [Help]                  [Alternative] [Cancel] [Affirmative]
 239
 240             gtk_dialog_add_button(dlg, wxGTK_CONV(GetNoLabel()),
 241                                   GTK_RESPONSE_NO);
 242
 243             if ( m_dialogStyle & wxCANCEL )
 244             {
 245                 gtk_dialog_add_button(dlg, wxGTK_CONV(GetCancelLabel()),
 246                                       GTK_RESPONSE_CANCEL);
 247             }
 248
 249             gtk_dialog_add_button(dlg, wxGTK_CONV(GetYesLabel()),
 250                                   GTK_RESPONSE_YES);
 251         }
 252         else // Ok or Ok/Cancel dialog
 253         {
 254             gtk_dialog_add_button(dlg, wxGTK_CONV(GetOKLabel()), GTK_RESPONSE_OK);
 255             if ( m_dialogStyle & wxCANCEL )
 256             {
 257                 gtk_dialog_add_button(dlg, wxGTK_CONV(GetCancelLabel()),
 258                                       GTK_RESPONSE_CANCEL);
 259             }
 260         }
 261     }
 262
 263     gint defaultButton;
 264     if ( m_dialogStyle & wxCANCEL_DEFAULT )
 265         defaultButton = GTK_RESPONSE_CANCEL;
 266     else if ( m_dialogStyle & wxNO_DEFAULT )
 267         defaultButton = GTK_RESPONSE_NO;
 268     else if ( m_dialogStyle & wxYES_NO )
 269         defaultButton = GTK_RESPONSE_YES;
 270     else // No need to change the default value, whatever it is.
 271         defaultButton = GTK_RESPONSE_NONE;
 272
 273     if ( defaultButton != GTK_RESPONSE_NONE )
 274         gtk_dialog_set_default_response(dlg, defaultButton);
 275 }
 276
 277 int wxMessageDialog::ShowModal()
 278 {
 279     WX_HOOK_MODAL_DIALOG();
 280
 281     // break the mouse capture as it would interfere with modal dialog (see
 282     // wxDialog::ShowModal)
 283     wxWindow * const win = wxWindow::GetCapture();
 284     if ( win )
 285         win->GTKReleaseMouseAndNotify();
 286
 287     if ( !m_widget )
 288     {
 289         GTKCreateMsgDialog();
 290         wxCHECK_MSG( m_widget, wxID_CANCEL,
 291                      wxT("failed to create GtkMessageDialog") );
 292     }
 293
 294     // This should be necessary, but otherwise the
 295     // parent TLW will disappear..
 296     if (m_parent)
 297         gtk_window_present( GTK_WINDOW(m_parent->m_widget) );
 298
 299     wxOpenModalDialogLocker modalLocker;
 300
 301     gint result = gtk_dialog_run(GTK_DIALOG(m_widget));
 302     GTKDisconnect(m_widget);
 303     gtk_widget_destroy(m_widget);
 304     g_object_unref(m_widget);
 305     m_widget = NULL;
 306
 307     switch (result)
 308     {
 309         default:
 310             wxFAIL_MSG(wxT("unexpected GtkMessageDialog return code"));
 311             // fall through
 312
 313         case GTK_RESPONSE_CANCEL:
 314         case GTK_RESPONSE_DELETE_EVENT:
 315         case GTK_RESPONSE_CLOSE:
 316             return wxID_CANCEL;
 317         case GTK_RESPONSE_OK:
 318             return wxID_OK;
 319         case GTK_RESPONSE_YES:
 320             return wxID_YES;
 321         case GTK_RESPONSE_NO:
 322             return wxID_NO;
 323         case GTK_RESPONSE_HELP:
 324             return wxID_HELP;
 325     }
 326 }
 327
 328
 329 #endif // wxUSE_MSGDLG && !defined(__WXGPE__)