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[dcpomatic.git] / src / wx / timeline.cc

diff --git a/src/wx/timeline.cc b/src/wx/timeline.cc
index 604a00f39cd60ed482719c789af534c11bc2aadc..9af8c3b85cb15ae4e0b11ae1fffc326d968bfcd1 100644 (file)
--- a/src/wx/timeline.cc
+++ b/src/wx/timeline.cc
@@ -117,7 +117,7 @@ Timeline::Timeline(wxWindow* parent, ContentPanel* cp, shared_ptr<Film> film, Fi
        _main_canvas->Bind   (wxEVT_SCROLLWIN_PAGEDOWN,   boost::bind (&Timeline::scrolled,     this, _1));
        _main_canvas->Bind   (wxEVT_SCROLLWIN_THUMBTRACK, boost::bind (&Timeline::scrolled,     this, _1));
 
-       film_change (ChangeType::DONE, Film::Property::CONTENT);
+       film_change(ChangeType::DONE, FilmProperty::CONTENT);
 
        SetMinSize (wxSize (640, 4 * pixels_per_track() + 96));
 
@@ -151,6 +151,11 @@ Timeline::paint_labels ()
 {
        wxPaintDC dc (_labels_canvas);
 
+       auto film = _film.lock();
+       if (film->content().empty()) {
+               return;
+       }
+
        auto gc = wxGraphicsContext::Create (dc);
        if (!gc) {
                return;
@@ -170,6 +175,13 @@ void
 Timeline::paint_main ()
 {
        wxPaintDC dc (_main_canvas);
+       dc.Clear();
+
+       auto film = _film.lock();
+       if (film->content().empty()) {
+               return;
+       }
+
        _main_canvas->DoPrepareDC (dc);
 
        auto gc = wxGraphicsContext::Create (dc);
@@ -179,10 +191,6 @@ Timeline::paint_main ()
 
        ScopeGuard sg = [gc]() { delete gc; };
 
-       int vsx, vsy;
-       _main_canvas->GetViewStart (&vsx, &vsy);
-       gc->Translate (-vsx * _x_scroll_rate, -vsy * _y_scroll_rate);
-
        gc->SetAntialiasMode (wxANTIALIAS_DEFAULT);
 
        for (auto i: _views) {
@@ -208,8 +216,6 @@ Timeline::paint_main ()
        }
 
        if (_zoom_point) {
-               /* Translate back as _down_point and _zoom_point do not take scroll into account */
-               gc->Translate (vsx * _x_scroll_rate, vsy * _y_scroll_rate);
                gc->SetPen(gui_is_dark() ? *wxWHITE_PEN : *wxBLACK_PEN);
                gc->SetBrush (*wxTRANSPARENT_BRUSH);
                gc->DrawRectangle (
@@ -232,16 +238,16 @@ Timeline::paint_main ()
 
 
 void
-Timeline::film_change (ChangeType type, Film::Property p)
+Timeline::film_change(ChangeType type, FilmProperty p)
 {
        if (type != ChangeType::DONE) {
                return;
        }
 
-       if (p == Film::Property::CONTENT || p == Film::Property::REEL_TYPE || p == Film::Property::REEL_LENGTH) {
+       if (p == FilmProperty::CONTENT || p == FilmProperty::REEL_TYPE || p == FilmProperty::REEL_LENGTH) {
                ensure_ui_thread ();
                recreate_views ();
-       } else if (p == Film::Property::CONTENT_ORDER) {
+       } else if (p == FilmProperty::CONTENT_ORDER) {
                Refresh ();
        }
 }
@@ -315,11 +321,12 @@ place (shared_ptr<const Film> film, TimelineViewList& views, int& tracks)
                }
 
                auto cv = dynamic_pointer_cast<TimelineContentView> (i);
+               DCPOMATIC_ASSERT(cv);
 
                int t = base;
 
                auto content = cv->content();
-               DCPTimePeriod const content_period (content->position(), content->end(film));
+               DCPTimePeriod const content_period = content->period(film);
 
                while (true) {
                        auto j = views.begin();
@@ -333,7 +340,8 @@ place (shared_ptr<const Film> film, TimelineViewList& views, int& tracks)
                                auto test_content = test->content();
                                if (
                                        test->track() && test->track().get() == t &&
-                                       content_period.overlap(DCPTimePeriod(test_content->position(), test_content->end(film)))) {
+                                       content_period.overlap(test_content->period(film))
+                                  ) {
                                        /* we have an overlap on track `t' */
                                        ++t;
                                        break;
@@ -696,6 +704,7 @@ Timeline::mouse_moved_zoom (wxMouseEvent& ev)
        }
 
        _zoom_point = ev.GetPosition ();
+       setup_scrollbars();
        Refresh ();
 }
 
@@ -943,10 +952,33 @@ Timeline::zoom_all ()
 {
        auto film = _film.lock ();
        DCPOMATIC_ASSERT (film);
-       set_pixels_per_second ((_main_canvas->GetSize().GetWidth() - 32) / film->length().seconds());
-       set_pixels_per_track ((_main_canvas->GetSize().GetHeight() - tracks_y_offset() - _time_axis_view->bbox().height - 32) / _tracks);
+       set_pixels_per_second((_main_canvas->GetSize().GetWidth() - 32) / std::max(1.0, film->length().seconds()));
+       set_pixels_per_track((_main_canvas->GetSize().GetHeight() - tracks_y_offset() - _time_axis_view->bbox().height - 32) / std::max(1, _tracks));
        setup_scrollbars ();
        _main_canvas->Scroll (0, 0);
        _labels_canvas->Scroll (0, 0);
        Refresh ();
 }
+
+
+void
+Timeline::keypress(wxKeyEvent const& event)
+{
+       if (event.GetKeyCode() == WXK_DELETE) {
+               auto film = _film.lock();
+               DCPOMATIC_ASSERT(film);
+               film->remove_content(selected_content());
+       } else {
+               switch (event.GetRawKeyCode()) {
+               case '+':
+                       set_pixels_per_second(_pixels_per_second.get_value_or(1) * 2);
+                       setup_scrollbars();
+                       break;
+               case '-':
+                       set_pixels_per_second(_pixels_per_second.get_value_or(1) / 2);
+                       setup_scrollbars();
+                       break;
+               }
+       }
+}
+