+/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
+
/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
#include <list>
#include <wx/graphics.h>
+#include <boost/weak_ptr.hpp>
+#include "film.h"
#include "timeline.h"
#include "wx_util.h"
#include "playlist.h"
using std::cout;
using std::max;
using boost::shared_ptr;
+using boost::weak_ptr;
+using boost::dynamic_pointer_cast;
using boost::bind;
-int const Timeline::_track_height = 64;
-
-Timeline::Timeline (wxWindow* parent, shared_ptr<Playlist> pl)
- : wxPanel (parent)
- , _playlist (pl)
+class View
{
- SetDoubleBuffered (true);
+public:
+ View (Timeline& t)
+ : _timeline (t)
+ {
+
+ }
+
+ void paint (wxGraphicsContext* g)
+ {
+ _last_paint_bbox = bbox ();
+ do_paint (g);
+ }
- Connect (wxID_ANY, wxEVT_PAINT, wxPaintEventHandler (Timeline::paint), 0, this);
+ void force_redraw ()
+ {
+ _timeline.force_redraw (_last_paint_bbox);
+ _timeline.force_redraw (bbox ());
+ }
+
+ virtual Rect bbox () const = 0;
- if (pl->audio_from() == Playlist::AUDIO_FFMPEG) {
- SetMinSize (wxSize (640, _track_height * 2 + 96));
- } else {
- SetMinSize (wxSize (640, _track_height * (max (size_t (1), pl->audio().size()) + 1) + 96));
+protected:
+ virtual void do_paint (wxGraphicsContext *) = 0;
+
+ int time_x (Time t) const
+ {
+ return _timeline.tracks_position().x + t * _timeline.pixels_per_time_unit();
}
+
+ Timeline& _timeline;
- pl->Changed.connect (bind (&Timeline::playlist_changed, this));
- pl->ContentChanged.connect (bind (&Timeline::playlist_changed, this));
-}
+private:
+ Rect _last_paint_bbox;
+};
-template <class T>
-int
-plot_content_list (
- list<shared_ptr<const T> > content, wxGraphicsContext* gc, int x, int y, double pixels_per_second, int track_height, wxString type, bool consecutive
- )
+class ContentView : public View
{
- Time t = 0;
- for (typename list<shared_ptr<const T> >::iterator i = content.begin(); i != content.end(); ++i) {
- Time const len = (*i)->temporal_length ();
+public:
+ ContentView (Timeline& tl, shared_ptr<Content> c, int t)
+ : View (tl)
+ , _content (c)
+ , _track (t)
+ , _selected (false)
+ {
+ c->Changed.connect (bind (&ContentView::content_changed, this, _2));
+ }
+
+ Rect bbox () const
+ {
+ shared_ptr<const Film> film = _timeline.film ();
+ shared_ptr<const Content> content = _content.lock ();
+ if (!film || !content) {
+ return Rect ();
+ }
+
+ return Rect (
+ time_x (content->start ()) - 8,
+ y_pos (_track) - 8,
+ content->length () * _timeline.pixels_per_time_unit() + 16,
+ _timeline.track_height() + 16
+ );
+ }
+
+ void set_selected (bool s) {
+ _selected = s;
+ force_redraw ();
+ }
+
+ bool selected () const {
+ return _selected;
+ }
+
+ weak_ptr<Content> content () const {
+ return _content;
+ }
+
+ virtual wxString type () const = 0;
+ virtual wxColour colour () const = 0;
+
+private:
+
+ void do_paint (wxGraphicsContext* gc)
+ {
+ shared_ptr<const Film> film = _timeline.film ();
+ shared_ptr<const Content> content = _content.lock ();
+ if (!film || !content) {
+ return;
+ }
+
+ Time const start = content->start ();
+ Time const len = content->length ();
+
+ wxColour selected (colour().Red() / 2, colour().Green() / 2, colour().Blue() / 2);
+
+ gc->SetPen (*wxBLACK_PEN);
+
+#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
+ gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 4, wxPENSTYLE_SOLID));
+ if (_selected) {
+ gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (selected, wxBRUSHSTYLE_SOLID));
+ } else {
+ gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (colour(), wxBRUSHSTYLE_SOLID));
+ }
+#else
+ gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 4, wxSOLID));
+ if (_selected) {
+ gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (selected, wxSOLID));
+ } else {
+ gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (colour(), wxSOLID));
+ }
+#endif
+
wxGraphicsPath path = gc->CreatePath ();
- path.MoveToPoint (x + t * pixels_per_second, y);
- path.AddLineToPoint (x + (t + len) * pixels_per_second, y);
- path.AddLineToPoint (x + (t + len) * pixels_per_second, y + track_height);
- path.AddLineToPoint (x + t * pixels_per_second, y + track_height);
- path.AddLineToPoint (x + t * pixels_per_second, y);
+ path.MoveToPoint (time_x (start), y_pos (_track));
+ path.AddLineToPoint (time_x (start + len), y_pos (_track));
+ path.AddLineToPoint (time_x (start + len), y_pos (_track + 1));
+ path.AddLineToPoint (time_x (start), y_pos (_track + 1));
+ path.AddLineToPoint (time_x (start), y_pos (_track));
gc->StrokePath (path);
gc->FillPath (path);
- wxString name = wxString::Format (wxT ("%s [%s]"), std_to_wx ((*i)->file().filename().string()).data(), type.data());
+ wxString name = wxString::Format (wxT ("%s [%s]"), std_to_wx (content->file().filename().string()).data(), type().data());
wxDouble name_width;
wxDouble name_height;
wxDouble name_descent;
wxDouble name_leading;
gc->GetTextExtent (name, &name_width, &name_height, &name_descent, &name_leading);
- gc->Clip (wxRegion (x + t * pixels_per_second, y, len * pixels_per_second, track_height));
- gc->DrawText (name, t * pixels_per_second + 12, y + track_height - name_height - 4);
+ gc->Clip (wxRegion (time_x (start), y_pos (_track), len * _timeline.pixels_per_time_unit(), _timeline.track_height()));
+ gc->DrawText (name, time_x (start) + 12, y_pos (_track + 1) - name_height - 4);
gc->ResetClip ();
+ }
- if (consecutive) {
- t += len;
- } else {
- y += track_height;
+ int y_pos (int t) const
+ {
+ return _timeline.tracks_position().y + t * _timeline.track_height();
+ }
+
+ void content_changed (int p)
+ {
+ if (p == ContentProperty::START || p == VideoContentProperty::VIDEO_LENGTH) {
+ force_redraw ();
+ }
+ }
+
+ boost::weak_ptr<Content> _content;
+ int _track;
+ bool _selected;
+};
+
+class AudioContentView : public ContentView
+{
+public:
+ AudioContentView (Timeline& tl, shared_ptr<Content> c, int t)
+ : ContentView (tl, c, t)
+ {}
+
+private:
+ wxString type () const
+ {
+ return _("audio");
+ }
+
+ wxColour colour () const
+ {
+ return wxColour (149, 121, 232, 255);
+ }
+};
+
+class VideoContentView : public ContentView
+{
+public:
+ VideoContentView (Timeline& tl, shared_ptr<Content> c, int t)
+ : ContentView (tl, c, t)
+ {}
+
+private:
+
+ wxString type () const
+ {
+ return _("video");
+ }
+
+ wxColour colour () const
+ {
+ return wxColour (242, 92, 120, 255);
+ }
+};
+
+class TimeAxisView : public View
+{
+public:
+ TimeAxisView (Timeline& tl, int y)
+ : View (tl)
+ , _y (y)
+ {}
+
+ void do_paint (wxGraphicsContext* gc)
+ {
+#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
+ gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
+#else
+ gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxSOLID));
+#endif
+
+ int mark_interval = rint (128 / (TIME_HZ * _timeline.pixels_per_time_unit ()));
+ if (mark_interval > 5) {
+ mark_interval -= mark_interval % 5;
+ }
+ if (mark_interval > 10) {
+ mark_interval -= mark_interval % 10;
+ }
+ if (mark_interval > 60) {
+ mark_interval -= mark_interval % 60;
+ }
+ if (mark_interval > 3600) {
+ mark_interval -= mark_interval % 3600;
+ }
+
+ if (mark_interval < 1) {
+ mark_interval = 1;
+ }
+
+ wxGraphicsPath path = gc->CreatePath ();
+ path.MoveToPoint (_timeline.x_offset(), _y);
+ path.AddLineToPoint (_timeline.width(), _y);
+ gc->StrokePath (path);
+
+ Time t = 0;
+ while ((t * _timeline.pixels_per_time_unit()) < _timeline.width()) {
+ wxGraphicsPath path = gc->CreatePath ();
+ path.MoveToPoint (time_x (t), _y - 4);
+ path.AddLineToPoint (time_x (t), _y + 4);
+ gc->StrokePath (path);
+
+ int tc = t / TIME_HZ;
+ int const h = tc / 3600;
+ tc -= h * 3600;
+ int const m = tc / 60;
+ tc -= m * 60;
+ int const s = tc;
+
+ wxString str = wxString::Format (wxT ("%02d:%02d:%02d"), h, m, s);
+ wxDouble str_width;
+ wxDouble str_height;
+ wxDouble str_descent;
+ wxDouble str_leading;
+ gc->GetTextExtent (str, &str_width, &str_height, &str_descent, &str_leading);
+
+ int const tx = _timeline.x_offset() + t * _timeline.pixels_per_time_unit();
+ if ((tx + str_width) < _timeline.width()) {
+ gc->DrawText (str, time_x (t), _y + 16);
+ }
+
+ t += mark_interval * TIME_HZ;
}
}
- if (consecutive) {
- y += track_height;
+ Rect bbox () const
+ {
+ return Rect (0, _y - 4, _timeline.width(), 24);
}
- return y;
+private:
+ int _y;
+};
+
+Timeline::Timeline (wxWindow* parent, shared_ptr<const Film> film)
+ : wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE)
+ , _film (film)
+ , _pixels_per_time_unit (0)
+ , _left_down (false)
+ , _down_view_start (0)
+ , _first_move (false)
+{
+ SetDoubleBuffered (true);
+
+ setup_pixels_per_time_unit ();
+
+ Connect (wxID_ANY, wxEVT_PAINT, wxPaintEventHandler (Timeline::paint), 0, this);
+ Connect (wxID_ANY, wxEVT_LEFT_DOWN, wxMouseEventHandler (Timeline::left_down), 0, this);
+ Connect (wxID_ANY, wxEVT_LEFT_UP, wxMouseEventHandler (Timeline::left_up), 0, this);
+ Connect (wxID_ANY, wxEVT_MOTION, wxMouseEventHandler (Timeline::mouse_moved), 0, this);
+ Connect (wxID_ANY, wxEVT_SIZE, wxSizeEventHandler (Timeline::resized), 0, this);
+
+ SetMinSize (wxSize (640, tracks() * track_height() + 96));
+
+ playlist_changed ();
+
+ film->playlist()->Changed.connect (bind (&Timeline::playlist_changed, this));
}
void
{
wxPaintDC dc (this);
- shared_ptr<Playlist> pl = _playlist.lock ();
- if (!pl) {
+ wxGraphicsContext* gc = wxGraphicsContext::Create (dc);
+ if (!gc) {
return;
}
- wxGraphicsContext* gc = wxGraphicsContext::Create (dc);
- if (!gc) {
+ gc->SetFont (gc->CreateFont (*wxNORMAL_FONT));
+
+ for (list<shared_ptr<View> >::iterator i = _views.begin(); i != _views.end(); ++i) {
+ (*i)->paint (gc);
+ }
+
+ delete gc;
+}
+
+void
+Timeline::playlist_changed ()
+{
+ shared_ptr<const Film> fl = _film.lock ();
+ if (!fl) {
return;
}
- int const x_offset = 8;
- int y = 8;
- int const width = GetSize().GetWidth();
- double const pixels_per_second = (width - x_offset * 2) / (pl->content_length() / pl->video_frame_rate());
+ _views.clear ();
- gc->SetFont (gc->CreateFont (*wxNORMAL_FONT));
+ Playlist::ContentList content = fl->playlist()->content ();
- gc->SetPen (*wxBLACK_PEN);
-#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
- gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 4, wxPENSTYLE_SOLID));
- gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (149, 121, 232, 255), wxBRUSHSTYLE_SOLID));
-#else
- gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 4, wxSOLID));
- gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (149, 121, 232, 255), wxSOLID));
-#endif
- y = plot_content_list (pl->video (), gc, x_offset, y, pixels_per_second, _track_height, _("video"), true);
-
-#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
- gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (242, 92, 120, 255), wxBRUSHSTYLE_SOLID));
-#else
- gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (242, 92, 120, 255), wxSOLID));
-#endif
- y = plot_content_list (pl->audio (), gc, x_offset, y, pixels_per_second, _track_height, _("audio"), pl->audio_from() == Playlist::AUDIO_FFMPEG);
+ for (Playlist::ContentList::iterator i = content.begin(); i != content.end(); ++i) {
+ if (dynamic_pointer_cast<VideoContent> (*i)) {
+ _views.push_back (shared_ptr<View> (new VideoContentView (*this, *i, 0)));
+ }
+ if (dynamic_pointer_cast<AudioContent> (*i)) {
+ _views.push_back (shared_ptr<View> (new AudioContentView (*this, *i, 1)));
+ }
+ }
- /* Time axis */
+ _views.push_back (shared_ptr<View> (new TimeAxisView (*this, tracks() * track_height() + 32)));
+
+ Refresh ();
+}
-#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
- gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
-#else
- gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxSOLID));
-#endif
-
- int mark_interval = rint (128 / pixels_per_second);
- if (mark_interval > 5) {
- mark_interval -= mark_interval % 5;
+int
+Timeline::tracks () const
+{
+ /* XXX */
+ return 2;
+}
+
+void
+Timeline::setup_pixels_per_time_unit ()
+{
+ shared_ptr<const Film> film = _film.lock ();
+ if (!film) {
+ return;
}
- if (mark_interval > 10) {
- mark_interval -= mark_interval % 10;
+
+ _pixels_per_time_unit = static_cast<double>(width() - x_offset() * 2) / film->length();
+}
+
+void
+Timeline::left_down (wxMouseEvent& ev)
+{
+ list<shared_ptr<View> >::iterator i = _views.begin();
+ Position const p (ev.GetX(), ev.GetY());
+ while (i != _views.end() && !(*i)->bbox().contains (p)) {
+ ++i;
}
- if (mark_interval > 60) {
- mark_interval -= mark_interval % 60;
+
+ _down_view.reset ();
+
+ if (i != _views.end ()) {
+ shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
+ if (cv) {
+ _down_view = cv;
+ shared_ptr<Content> c = cv->content().lock();
+ assert (c);
+ _down_view_start = c->start ();
+ }
}
- if (mark_interval > 3600) {
- mark_interval -= mark_interval % 3600;
+
+ for (list<shared_ptr<View> >::iterator j = _views.begin(); j != _views.end(); ++j) {
+ shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*j);
+ if (cv) {
+ cv->set_selected (i == j);
+ }
}
- if (mark_interval < 1) {
- mark_interval = 1;
- }
+ _left_down = true;
+ _down_point = ev.GetPosition ();
+ _first_move = false;
+}
- wxGraphicsPath path = gc->CreatePath ();
- path.MoveToPoint (x_offset, y + 40);
- path.AddLineToPoint (width, y + 40);
- gc->StrokePath (path);
+void
+Timeline::left_up (wxMouseEvent &)
+{
+ _left_down = false;
+}
- double t = 0;
- while ((t * pixels_per_second) < width) {
- wxGraphicsPath path = gc->CreatePath ();
- path.MoveToPoint (x_offset + t * pixels_per_second, y + 36);
- path.AddLineToPoint (x_offset + t * pixels_per_second, y + 44);
- gc->StrokePath (path);
+void
+Timeline::mouse_moved (wxMouseEvent& ev)
+{
+ if (!_left_down) {
+ return;
+ }
- int tc = t;
- int const h = tc / 3600;
- tc -= h * 3600;
- int const m = tc / 60;
- tc -= m * 60;
- int const s = tc;
+ wxPoint const p = ev.GetPosition();
- wxString str = wxString::Format (wxT ("%02d:%02d:%02d"), h, m, s);
- wxDouble str_width;
- wxDouble str_height;
- wxDouble str_descent;
- wxDouble str_leading;
- gc->GetTextExtent (str, &str_width, &str_height, &str_descent, &str_leading);
+ if (!_first_move) {
+ int const dist = sqrt (pow (p.x - _down_point.x, 2) + pow (p.y - _down_point.y, 2));
+ if (dist < 8) {
+ return;
+ }
+ _first_move = true;
+ }
- int const tx = x_offset + t * pixels_per_second;
- if ((tx + str_width) < width) {
- gc->DrawText (str, x_offset + t * pixels_per_second, y + 60);
+ Time const time_diff = (p.x - _down_point.x) / _pixels_per_time_unit;
+ if (_down_view) {
+ shared_ptr<Content> c = _down_view->content().lock();
+ if (c) {
+ c->set_start (_down_view_start + time_diff);
}
- t += mark_interval;
}
+}
- delete gc;
+void
+Timeline::force_redraw (Rect const & r)
+{
+ RefreshRect (wxRect (r.x, r.y, r.width, r.height), false);
+}
+
+shared_ptr<const Film>
+Timeline::film () const
+{
+ return _film.lock ();
}
void
-Timeline::playlist_changed ()
+Timeline::resized (wxSizeEvent &)
{
- Refresh ();
+ setup_pixels_per_time_unit ();
}
projects / dcpomatic.git / blobdiff