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 namespace
  38 {
  39
  40 class GtkArray
  41 {
  42 public:
  43     // Create GtkArray from wxArrayString. Note that the created object is
  44     // only valid as long as 'a' is!
  45     GtkArray(const wxArrayString& a)
  46     {
  47         m_count = a.size();
  48         m_strings = new const gchar *[m_count + 1];
  49
  50         for ( size_t n = 0; n < m_count; n++ )
  51         {
  52 #if wxUSE_UNICODE_UTF8
  53             m_strings[n] = a[n].utf8_str();
  54 #else
  55             m_strings[n] = wxGTK_CONV_SYS(a[n]).release();
  56 #endif
  57         }
  58
  59         // array must be NULL-terminated
  60         m_strings[m_count] = NULL;
  61     }
  62
  63     operator const gchar **() const { return m_strings; }
  64
  65     ~GtkArray()
  66     {
  67 #if !wxUSE_UNICODE_UTF8
  68         for ( size_t n = 0; n < m_count; n++ )
  69             free(wx_const_cast(gchar *, m_strings[n]));
  70 #endif
  71
  72         delete [] m_strings;
  73     }
  74
  75 private:
  76     const gchar **m_strings;
  77     size_t m_count;
  78
  79     DECLARE_NO_COPY_CLASS(GtkArray)
  80 };
  81
  82 } // anonymous namespace
  83
  84 // ============================================================================
  85 // implementation
  86 // ============================================================================
  87
  88 extern "C" void
  89 wxGtkAboutDialogOnClose(GtkAboutDialog *about)
  90 {
  91     gtk_widget_destroy(GTK_WIDGET(about));
  92 }
  93
  94 extern "C" void
  95 wxGtkAboutDialogOnLink(GtkAboutDialog * WXUNUSED(about),
  96                        const gchar *link,
  97                        gpointer WXUNUSED(data))
  98 {
  99     wxLaunchDefaultBrowser(wxGTK_CONV_BACK_SYS(link));
 100 }
 101
 102 void wxAboutBox(const wxAboutDialogInfo& info)
 103 {
 104     if ( !gtk_check_version(2,6,0) )
 105     {
 106         GtkAboutDialog * const dlg = GTK_ABOUT_DIALOG(gtk_about_dialog_new());
 107         gtk_about_dialog_set_name(dlg, wxGTK_CONV_SYS(info.GetName()));
 108         if ( info.HasVersion() )
 109             gtk_about_dialog_set_version(dlg, wxGTK_CONV_SYS(info.GetVersion()));
 110         if ( info.HasCopyright() )
 111             gtk_about_dialog_set_copyright(dlg, wxGTK_CONV_SYS(info.GetCopyright()));
 112         if ( info.HasDescription() )
 113             gtk_about_dialog_set_comments(dlg, wxGTK_CONV_SYS(info.GetDescription()));
 114         if ( info.HasLicence() )
 115             gtk_about_dialog_set_license(dlg, wxGTK_CONV_SYS(info.GetLicence()));
 116
 117         wxIcon icon = info.GetIcon();
 118         if ( icon.Ok() )
 119             gtk_about_dialog_set_logo(dlg, info.GetIcon().GetPixbuf());
 120
 121         if ( info.HasWebSite() )
 122         {
 123             // NB: must be called before gtk_about_dialog_set_website() as
 124             //     otherwise it has no effect (although GTK+ docs don't mention
 125             //     this...)
 126             gtk_about_dialog_set_url_hook(wxGtkAboutDialogOnLink, NULL, NULL);
 127
 128             gtk_about_dialog_set_website(dlg, wxGTK_CONV_SYS(info.GetWebSiteURL()));
 129             gtk_about_dialog_set_website_label
 130             (
 131                 dlg,
 132                 wxGTK_CONV_SYS(info.GetWebSiteDescription())
 133             );
 134         }
 135
 136         if ( info.HasDevelopers() )
 137             gtk_about_dialog_set_authors(dlg, GtkArray(info.GetDevelopers()));
 138         if ( info.HasDocWriters() )
 139             gtk_about_dialog_set_documenters(dlg, GtkArray(info.GetDocWriters()));
 140         if ( info.HasArtists() )
 141             gtk_about_dialog_set_artists(dlg, GtkArray(info.GetArtists()));
 142
 143         wxString transCredits;
 144         if ( info.HasTranslators() )
 145         {
 146             const wxArrayString& translators = info.GetTranslators();
 147             const size_t count = translators.size();
 148             for ( size_t n = 0; n < count; n++ )
 149             {
 150                 transCredits << translators[n] << _T('\n');
 151             }
 152         }
 153         else // no translators explicitely specified
 154         {
 155             // maybe we have translator credits in the message catalog?
 156             wxString translator = _("translator-credits");
 157
 158             // gtk_about_dialog_set_translator_credits() is smart enough to
 159             // detect if "translator-credits" is untranslated and hide the
 160             // translators tab in that case, however it will still show the
 161             // "credits" button, (at least GTK 2.10.6) even if there are no
 162             // credits informations at all, so we still need to do the check
 163             // ourselves
 164             if ( translator != wxT("translator-credits") ) // untranslated!
 165                 transCredits = translator;
 166         }
 167
 168         if ( !transCredits.empty() )
 169             gtk_about_dialog_set_translator_credits(dlg, wxGTK_CONV_SYS(transCredits));
 170
 171         g_signal_connect(dlg, "response",
 172                             G_CALLBACK(wxGtkAboutDialogOnClose), NULL);
 173
 174         gtk_widget_show(GTK_WIDGET(dlg));
 175         return;
 176     }
 177
 178     // native about dialog not available, fall back to the generic one
 179     wxGenericAboutBox(info);
 180 }
 181
 182 #endif // wxUSE_ABOUTDLG && GTK+ 2.6+