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 // GtkStr: temporary GTK string
  35 // ----------------------------------------------------------------------------
  36
  37 class GtkStr : public wxGtkString
  38 {
  39 public:
  40     GtkStr(const wxString& s)
  41         : wxGtkString(wx_const_cast(char *, wxGTK_CONV_SYS(s).release()))
  42     {
  43     }
  44 };
  45
  46 // ----------------------------------------------------------------------------
  47 // GtkArray: temporary array of GTK strings
  48 // ----------------------------------------------------------------------------
  49
  50 class GtkArray
  51 {
  52 public:
  53     GtkArray(const wxArrayString& a)
  54     {
  55         m_count = a.size();
  56         m_strings = new const gchar *[m_count + 1];
  57         for ( size_t n = 0; n < m_count; n++ )
  58             m_strings[n] = wxGTK_CONV_SYS(a[n]).release();
  59
  60         // array must be NULL-terminated
  61         m_strings[m_count] = NULL;
  62     }
  63
  64     operator const gchar **() const { return m_strings; }
  65
  66     ~GtkArray()
  67     {
  68         for ( size_t n = 0; n < m_count; n++ )
  69             free(wx_const_cast(gchar *, m_strings[n]));
  70
  71         delete [] m_strings;
  72     }
  73
  74 private:
  75     const gchar **m_strings;
  76     size_t m_count;
  77
  78     DECLARE_NO_COPY_CLASS(GtkArray)
  79 };
  80
  81 // ============================================================================
  82 // implementation
  83 // ============================================================================
  84
  85 extern "C" void
  86 wxGtkAboutDialogOnClose(GtkAboutDialog *about)
  87 {
  88     gtk_widget_destroy(GTK_WIDGET(about));
  89 }
  90
  91 extern "C" void
  92 wxGtkAboutDialogOnLink(GtkAboutDialog * WXUNUSED(about),
  93                        const gchar *link,
  94                        gpointer WXUNUSED(data))
  95 {
  96     wxLaunchDefaultBrowser(wxGTK_CONV_BACK(link));
  97 }
  98
  99 void wxAboutBox(const wxAboutDialogInfo& info)
 100 {
 101     if ( !gtk_check_version(2,6,0) )
 102     {
 103         GtkAboutDialog * const dlg = GTK_ABOUT_DIALOG(gtk_about_dialog_new());
 104         gtk_about_dialog_set_name(dlg, GtkStr(info.GetName()));
 105         if ( info.HasVersion() )
 106             gtk_about_dialog_set_version(dlg, GtkStr(info.GetVersion()));
 107         if ( info.HasCopyright() )
 108             gtk_about_dialog_set_copyright(dlg, GtkStr(info.GetCopyright()));
 109         if ( info.HasDescription() )
 110             gtk_about_dialog_set_comments(dlg, GtkStr(info.GetDescription()));
 111         if ( info.HasLicence() )
 112             gtk_about_dialog_set_license(dlg, GtkStr(info.GetLicence()));
 113
 114         wxIcon icon = info.GetIcon();
 115         if ( icon.Ok() )
 116             gtk_about_dialog_set_logo(dlg, info.GetIcon().GetPixbuf());
 117
 118         if ( info.HasWebSite() )
 119         {
 120             // NB: must be called before gtk_about_dialog_set_website() as
 121             //     otherwise it has no effect (although GTK+ docs don't mention
 122             //     this...)
 123             gtk_about_dialog_set_url_hook(wxGtkAboutDialogOnLink, NULL, NULL);
 124
 125             gtk_about_dialog_set_website(dlg, GtkStr(info.GetWebSiteURL()));
 126             gtk_about_dialog_set_website_label
 127             (
 128                 dlg,
 129                 GtkStr(info.GetWebSiteDescription())
 130             );
 131         }
 132
 133         if ( info.HasDevelopers() )
 134             gtk_about_dialog_set_authors(dlg, GtkArray(info.GetDevelopers()));
 135         if ( info.HasDocWriters() )
 136             gtk_about_dialog_set_documenters(dlg, GtkArray(info.GetDocWriters()));
 137         if ( info.HasArtists() )
 138             gtk_about_dialog_set_artists(dlg, GtkArray(info.GetArtists()));
 139
 140         wxString transCredits;
 141         if ( info.HasTranslators() )
 142         {
 143             const wxArrayString& translators = info.GetTranslators();
 144             const size_t count = translators.size();
 145             for ( size_t n = 0; n < count; n++ )
 146             {
 147                 transCredits << translators[n] << _T('\n');
 148             }
 149         }
 150         else // no translators explicitely specified
 151         {
 152             // maybe we have translator credits in the message catalog?
 153             wxString translator = _("translator-credits");
 154
 155             // gtk_about_dialog_set_translator_credits() is smart enough to
 156             // detect if "translator-credits" is untranslated and hide the
 157             // translators tab in that case, however it will still show the
 158             // "credits" button, (at least GTK 2.10.6) even if there are no
 159             // credits informations at all, so we still need to do the check
 160             // ourselves
 161             if ( translator != wxT("translator-credits") ) // untranslated!
 162                 transCredits = translator;
 163         }
 164
 165         if ( !transCredits.empty() )
 166             gtk_about_dialog_set_translator_credits(dlg, GtkStr(transCredits));
 167
 168         g_signal_connect(dlg, "response",
 169                             G_CALLBACK(wxGtkAboutDialogOnClose), NULL);
 170
 171         gtk_widget_show(GTK_WIDGET(dlg));
 172         return;
 173     }
 174
 175     // native about dialog not available, fall back to the generic one
 176     wxGenericAboutBox(info);
 177 }
 178
 179 #endif // wxUSE_ABOUTDLG && GTK+ 2.6+