src/gtk/aboutdlg.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/aboutdlg.cpp
   3 // Purpose:     native GTK+ wxAboutBox() implementation
   4 // Author:      Vadim Zeitlin
   5 // Created:     2006-10-08
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006 Vadim Zeitlin <vadim@wxwindows.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // for compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #if wxUSE_ABOUTDLG && defined(__WXGTK26__)
  23
  24 #ifndef WX_PRECOMP
  25     #include "wx/utils.h"       // for wxLaunchDefaultBrowser()
  26 #endif //WX_PRECOMP
  27
  28 #include "wx/aboutdlg.h"
  29 #include "wx/generic/aboutdlgg.h"
  30
  31 #include "wx/gtk/private.h"
  32
  33 // ----------------------------------------------------------------------------
  34 // GtkArray: temporary array of GTK strings
  35 // ----------------------------------------------------------------------------
  36
  37 class GtkArray
  38 {
  39 public:
  40     // Create GtkArray from wxArrayString. Note that the created object is
  41     // only valid as long as 'a' is!
  42     GtkArray(const wxArrayString& a)
  43     {
  44         m_count = a.size();
  45         m_strings = new const gchar *[m_count + 1];
  46
  47         for ( size_t n = 0; n < m_count; n++ )
  48         {
  49 #if wxUSE_UNICODE_UTF8
  50             m_strings[n] = a[n].utf8_str();
  51 #else
  52             m_strings[n] = wxGTK_CONV_SYS(a[n]).release();
  53 #endif
  54         }
  55
  56         // array must be NULL-terminated
  57         m_strings[m_count] = NULL;
  58     }
  59
  60     operator const gchar **() const { return m_strings; }
  61
  62     ~GtkArray()
  63     {
  64 #if !wxUSE_UNICODE_UTF8
  65         for ( size_t n = 0; n < m_count; n++ )
  66             free(wx_const_cast(gchar *, m_strings[n]));
  67 #endif
  68
  69         delete [] m_strings;
  70     }
  71
  72 private:
  73     const gchar **m_strings;
  74     size_t m_count;
  75
  76     DECLARE_NO_COPY_CLASS(GtkArray)
  77 };
  78
  79 // ============================================================================
  80 // implementation
  81 // ============================================================================
  82
  83 extern "C" void
  84 wxGtkAboutDialogOnClose(GtkAboutDialog *about)
  85 {
  86     gtk_widget_destroy(GTK_WIDGET(about));
  87 }
  88
  89 extern "C" void
  90 wxGtkAboutDialogOnLink(GtkAboutDialog * WXUNUSED(about),
  91                        const gchar *link,
  92                        gpointer WXUNUSED(data))
  93 {
  94     wxLaunchDefaultBrowser(wxGTK_CONV_BACK_SYS(link));
  95 }
  96
  97 void wxAboutBox(const wxAboutDialogInfo& info)
  98 {
  99     if ( !gtk_check_version(2,6,0) )
 100     {
 101         GtkAboutDialog * const dlg = GTK_ABOUT_DIALOG(gtk_about_dialog_new());
 102         gtk_about_dialog_set_name(dlg, wxGTK_CONV(info.GetName()));
 103         if ( info.HasVersion() )
 104             gtk_about_dialog_set_version(dlg, wxGTK_CONV(info.GetVersion()));
 105         if ( info.HasCopyright() )
 106             gtk_about_dialog_set_copyright(dlg, wxGTK_CONV(info.GetCopyright()));
 107         if ( info.HasDescription() )
 108             gtk_about_dialog_set_comments(dlg, wxGTK_CONV(info.GetDescription()));
 109         if ( info.HasLicence() )
 110             gtk_about_dialog_set_license(dlg, wxGTK_CONV(info.GetLicence()));
 111
 112         wxIcon icon = info.GetIcon();
 113         if ( icon.Ok() )
 114             gtk_about_dialog_set_logo(dlg, info.GetIcon().GetPixbuf());
 115
 116         if ( info.HasWebSite() )
 117         {
 118             // NB: must be called before gtk_about_dialog_set_website() as
 119             //     otherwise it has no effect (although GTK+ docs don't mention
 120             //     this...)
 121             gtk_about_dialog_set_url_hook(wxGtkAboutDialogOnLink, NULL, NULL);
 122
 123             gtk_about_dialog_set_website(dlg, wxGTK_CONV(info.GetWebSiteURL()));
 124             gtk_about_dialog_set_website_label
 125             (
 126                 dlg,
 127                 wxGTK_CONV(info.GetWebSiteDescription())
 128             );
 129         }
 130
 131         if ( info.HasDevelopers() )
 132             gtk_about_dialog_set_authors(dlg, GtkArray(info.GetDevelopers()));
 133         if ( info.HasDocWriters() )
 134             gtk_about_dialog_set_documenters(dlg, GtkArray(info.GetDocWriters()));
 135         if ( info.HasArtists() )
 136             gtk_about_dialog_set_artists(dlg, GtkArray(info.GetArtists()));
 137
 138         wxString transCredits;
 139         if ( info.HasTranslators() )
 140         {
 141             const wxArrayString& translators = info.GetTranslators();
 142             const size_t count = translators.size();
 143             for ( size_t n = 0; n < count; n++ )
 144             {
 145                 transCredits << translators[n] << _T('\n');
 146             }
 147         }
 148         else // no translators explicitely specified
 149         {
 150             // maybe we have translator credits in the message catalog?
 151             wxString translator = _("translator-credits");
 152
 153             // gtk_about_dialog_set_translator_credits() is smart enough to
 154             // detect if "translator-credits" is untranslated and hide the
 155             // translators tab in that case, however it will still show the
 156             // "credits" button, (at least GTK 2.10.6) even if there are no
 157             // credits informations at all, so we still need to do the check
 158             // ourselves
 159             if ( translator != wxT("translator-credits") ) // untranslated!
 160                 transCredits = translator;
 161         }
 162
 163         if ( !transCredits.empty() )
 164             gtk_about_dialog_set_translator_credits(dlg, wxGTK_CONV(transCredits));
 165
 166         g_signal_connect(dlg, "response",
 167                             G_CALLBACK(wxGtkAboutDialogOnClose), NULL);
 168
 169         gtk_widget_show(GTK_WIDGET(dlg));
 170         return;
 171     }
 172
 173     // native about dialog not available, fall back to the generic one
 174     wxGenericAboutBox(info);
 175 }
 176
 177 #endif // wxUSE_ABOUTDLG && GTK+ 2.6+