+
+wxSplashScreen *
+maybe_show_splash ()
+{
+ wxSplashScreen* splash = 0;
+ try {
+ wxBitmap bitmap;
+ boost::filesystem::path p = shared_path () / "splash.png";
+ if (bitmap.LoadFile (std_to_wx (p.string ()), wxBITMAP_TYPE_PNG)) {
+ splash = new wxSplashScreen (bitmap, wxSPLASH_CENTRE_ON_SCREEN | wxSPLASH_NO_TIMEOUT, 0, 0, -1);
+ wxYield ();
+ }
+ } catch (boost::filesystem::filesystem_error& e) {
+ /* Maybe we couldn't find the splash image; never mind */
+ }
+
+ return splash;
+}
+
+double
+calculate_mark_interval (double mark_interval)
+{
+ if (mark_interval > 5) {
+ mark_interval -= lrint (mark_interval) % 5;
+ }
+ if (mark_interval > 10) {
+ mark_interval -= lrint (mark_interval) % 10;
+ }
+ if (mark_interval > 60) {
+ mark_interval -= lrint (mark_interval) % 60;
+ }
+ if (mark_interval > 3600) {
+ mark_interval -= lrint (mark_interval) % 3600;
+ }
+
+ if (mark_interval < 1) {
+ mark_interval = 1;
+ }
+
+ return mark_interval;
+}
+
+
+/** @return false if the task was cancelled */
+bool
+display_progress (wxString title, wxString task)
+{
+ JobManager* jm = JobManager::instance ();
+
+ wxProgressDialog progress (title, task, 100, 0, wxPD_CAN_ABORT);
+
+ bool ok = true;
+
+ while (jm->work_to_do()) {
+ dcpomatic_sleep_seconds (1);
+ if (!progress.Pulse()) {
+ /* user pressed cancel */
+ BOOST_FOREACH (shared_ptr<Job> i, jm->get()) {
+ i->cancel();
+ }
+ ok = false;
+ break;
+ }
+ }
+
+ return ok;
+}