Flash time every 15 minutes

internal/i3bar/color.go

@@ -13,6 +13,7 @@ type ColorSet struct {
 	Warning    *Color
 	Good       *Color
 	Background *Color
+	Foreground *Color
 }
 
 type Color struct {

internal/i3bar/i3bar.go

@@ -58,6 +58,7 @@ var defaultColorSet = &ColorSet{
 	Bad:        &Color{251, 73, 52},
 	Warning:    &Color{250, 189, 47},
 	Background: &Color{0x28, 0x28, 0x28},
+	Foreground: &Color{0xbd, 0xae, 0x93},
 }
 
 func (b *I3bar) Emit(blocks []*Block) error {

internal/providers/datetime.go

@@ -7,7 +7,6 @@ import (
 )
 
 type DateTime struct {
-	// TODO: 12 hour mode?
 	name string
 }
 
@@ -21,14 +20,21 @@ func (g *DateTime) Frequency() uint8 {
 	return 1
 }
 
-func (g *DateTime) Block(*i3bar.ColorSet) (*i3bar.Block, error) {
+func (g *DateTime) Block(cs *i3bar.ColorSet) (*i3bar.Block, error) {
 	cTime := time.Now().Local()
 
-	return &i3bar.Block{
+	block := &i3bar.Block{
 		Name:      g.name,
 		FullText:  cTime.Weekday().String()[:2] + cTime.Format(" 2006-01-02 15:04:05"),
 		ShortText: cTime.Format("15:04:05"),
-	}, nil
+	}
+	
+	if (cTime.Minute() == 0 && cTime.Second() < 3) || (cTime.Minute() % 15 == 0 && cTime.Second() < 1) {
+		block.BackgroundColor = cs.Foreground
+		block.TextColor = cs.Background
+	}
+	
+	return block, nil
 }
 
 func (g *DateTime) GetNameAndInstance() (string, string) {