diff options
Diffstat (limited to 'src/rhlibrary/player_widget.go')
| -rw-r--r-- | src/rhlibrary/player_widget.go | 187 |
1 files changed, 5 insertions, 182 deletions
diff --git a/src/rhlibrary/player_widget.go b/src/rhlibrary/player_widget.go index 8019cd9..5440582 100644 --- a/src/rhlibrary/player_widget.go +++ b/src/rhlibrary/player_widget.go @@ -25,67 +25,10 @@ package main import ( - "time" - "code.helsinki.at/rhrd-go/player" - "github.com/gotk3/gotk3/glib" "github.com/gotk3/gotk3/gtk" ) -const ( - meterDBFloor float64 = 72 // -72 db is the lowest VU value - meterSegmentsGreen float64 = 21 - meterSegmentsOrange float64 = 3 - meterSegmentsRed float64 = 1 - meterSegmentsTotal float64 = meterSegmentsGreen + meterSegmentsOrange + meterSegmentsRed -) - -var ( - meterBarCSS *gtk.CssProvider - meterFrameCSS *gtk.CssProvider -) - -func init() { - var err error - if meterBarCSS, err = gtk.CssProviderNew(); err != nil { - panic(err.Error()) - } - err = meterBarCSS.LoadFromData(` -.level-bar { - -GtkLevelBar-min-block-width: 13; - -GtkLevelBar-min-block-height: 8; -} -.level-bar.trough { - border: 0; - padding: 0; - border-radius: 0; - background-image: unset; -} -.level-bar.fill-block.level-green { - border-color: #006600; - background-image: linear-gradient(to bottom, #36B736, #006600); -} -.level-bar.fill-block.level-orange { - border-color: #AE6600; - background-image: linear-gradient(to bottom, #FFAC36, #AE6600); -} -.level-bar.fill-block.level-red { - border-color: #AE0000; - background-image: linear-gradient(to bottom, #FF3636, #AE0000); -}`) - if err != nil { - panic(err.Error()) - } - - if meterFrameCSS, err = gtk.CssProviderNew(); err != nil { - panic(err.Error()) - } - err = meterFrameCSS.LoadFromData(".frame { padding: 3px; }") - if err != nil { - panic(err.Error()) - } -} - func addPlayButton(grid *gtk.Grid, p *player.PlayerChan) (err error) { var btn *gtk.Button if btn, err = gtk.ButtonNewFromIconName("media-playback-start", gtk.ICON_SIZE_DIALOG); err != nil { @@ -128,132 +71,12 @@ func addStopButton(grid *gtk.Grid, p *player.PlayerChan) (err error) { return } -type vuMeterLevel struct { - green float64 - orange float64 - red float64 -} - -func (lvl *vuMeterLevel) setLevel(valdb float64) { - val := valdb + meterDBFloor - if val < 0 { - val = 0 - } else { - val = (val / meterDBFloor) * meterSegmentsTotal - } - - lvl.green = val - lvl.orange = val - meterSegmentsGreen - lvl.red = lvl.orange - meterSegmentsOrange - if lvl.orange < 0 { - lvl.orange = 0 - } - if lvl.red < 0 { - lvl.red = 0 - } - return -} - -type vuMeter struct { - green *gtk.LevelBar - orange *gtk.LevelBar - red *gtk.LevelBar -} - -func createMeterBar(segments float64) (bar *gtk.LevelBar, err error) { - if bar, err = gtk.LevelBarNewForInterval(0, segments); err != nil { - return +func addMeter(grid *gtk.Grid, p *player.PlayerChan) error { + widget, err := getVUMeterWidget(p) + if err == nil { + grid.Add(widget) } - bar.SetMode(gtk.LEVEL_BAR_MODE_DISCRETE) - bar.RemoveOffsetValue(gtk.LEVEL_BAR_OFFSET_LOW) - bar.RemoveOffsetValue(gtk.LEVEL_BAR_OFFSET_HIGH) - - var sc *gtk.StyleContext - if sc, err = bar.GetStyleContext(); err != nil { - return - } - sc.AddProvider(meterBarCSS, 600) // TOOD: hardcoded value - return -} - -func newVUMeter() (meter *vuMeter, err error) { - meter = &vuMeter{} - if meter.green, err = createMeterBar(meterSegmentsGreen); err != nil { - return - } - if meter.orange, err = createMeterBar(meterSegmentsOrange); err != nil { - return - } - if meter.red, err = createMeterBar(meterSegmentsRed); err != nil { - return - } - - meter.green.AddOffsetValue("green", 0) - meter.orange.AddOffsetValue("orange", 0) - meter.red.AddOffsetValue("red", 0) - - return -} - -func (m *vuMeter) SetValue(lvl *vuMeterLevel) { - m.green.SetValue(lvl.green) - m.orange.SetValue(lvl.orange) - m.red.SetValue(lvl.red) -} - -func addMeter(grid *gtk.Grid, p *player.PlayerChan) (err error) { - var mgrid *gtk.Grid - if mgrid, err = gtk.GridNew(); err != nil { - return - } - mgrid.SetRowSpacing(3) - - var left, right *vuMeter - if left, err = newVUMeter(); err != nil { - return - } - if right, err = newVUMeter(); err != nil { - return - } - - p.AddUpdateHandler(func(length time.Duration, pos time.Duration, meter player.Meter, userdata interface{}) bool { - glib.IdleAdd(func() { - ch := len(meter) - lval := &vuMeterLevel{0, 0, 0} - rval := &vuMeterLevel{0, 0, 0} - if ch >= 2 { - lval.setLevel(meter[0].Peak) - rval.setLevel(meter[1].Peak) - } else if ch == 1 { - lval.setLevel(meter[0].Peak) - rval = lval - } - left.SetValue(lval) - right.SetValue(rval) - }) - return true - }, nil) - - mgrid.Attach(left.green, 1, 1, 1, 1) - mgrid.Attach(left.orange, 2, 1, 1, 1) - mgrid.Attach(left.red, 3, 1, 1, 1) - mgrid.Attach(right.green, 1, 2, 1, 1) - mgrid.Attach(right.orange, 2, 2, 1, 1) - mgrid.Attach(right.red, 3, 2, 1, 1) - - var frame *gtk.Frame - if frame, err = gtk.FrameNew(""); err != nil { - return - } - var sc *gtk.StyleContext - if sc, err = frame.GetStyleContext(); err != nil { - return - } - sc.AddProvider(meterFrameCSS, 600) // TOOD: hardcoded value - - frame.Add(mgrid) - grid.Add(frame) - return + return err } func getPlayerWidget(p *player.PlayerChan) (gtk.IWidget, error) { |