Add time widget with variable format that replaces the clock and date…

… widgets

decks/main.deck

@@ -17,12 +17,18 @@
 [[keys]]
   index = 3
   [keys.widget]
-    id = "date"
+    id = "time"
+    [keys.widget.config]
+      format = "dd;mmm;yyyy"
+      font = "bold;regular;thin"
 
 [[keys]]
   index = 4
   [keys.widget]
-    id = "clock"
+    id = "time"
+    [keys.widget.config]
+      format = "HH;MM;SS"
+      font = "bold;regular;thin"
 
 [[keys]]
   index = 5

widget.go

@@ -64,15 +64,13 @@ func NewWidget(index uint8, id string, action *ActionConfig, actionHold *ActionC
 			label:      config["label"],
 		}
 
-	case "clock":
-		return &ClockWidget{
+	case "time":
+		return &TimeWidget{
 			BaseWidget: bw,
-			mode:       config["mode"],
+			format:     config["format"],
+			font:       config["font"],
 		}
 
-	case "date":
-		return &DateWidget{bw}
-
 	case "recentWindow":
 		i, err := strconv.ParseUint(config["window"], 10, 64)
 		if err != nil {

widget_time.go

@@ -0,0 +1,105 @@
+package main
+
+import (
+	"image"
+	"log"
+	"time"
+	"strings"
+
+	"github.com/muesli/streamdeck"
+	"github.com/golang/freetype/truetype"
+)
+
+type TimeWidget struct {
+	BaseWidget
+	format string
+	font   string
+}
+
+func mapToFont(font string) *truetype.Font {
+	switch font {
+	case "thin":
+		return ttfThinFont
+	case "regular":
+		return ttfFont
+	case "bold":
+		return ttfBoldFont
+	default:
+		return ttfFont
+	}
+}
+
+func mapToTimeString(format string) string {
+	t := time.Now()
+	switch format {
+	case "yyyy":
+		return t.Format("2006")
+	case "yy":
+		return t.Format("06")
+	case "mmmm":
+		return t.Format("January")
+	case "mmm":
+		return t.Format("Jan")
+	case "mm":
+		return t.Format("01")
+	case "dddd":
+		return t.Format("Monday")
+	case "ddd":
+		return t.Format("Mon")
+	case "dd":
+		return t.Format("02")
+	case "HHT":
+		return t.Format("03")
+	case "HH", "hour":
+		return t.Format("15")
+	case "MM", "min":
+		return t.Format("04")
+	case "ss", "SS", "sec":
+		return t.Format("05")
+	case "tt":
+		return t.Format("PM")
+	case "Z", "ZZZ":
+		return t.Format("MST")
+	case "o":
+		return t.Format("Z07:00")
+	default:
+		return t.Format(format)
+	}
+}
+
+func (w *TimeWidget) Update(dev *streamdeck.Device) {
+	const margin = 4
+	size := int(dev.Pixels)
+	img := image.NewRGBA(image.Rect(0, 0, size, size))
+	height := size - (margin * 2)
+
+	formats := strings.Split(w.format, ";")
+	fonts := strings.Split(w.font, ";")
+
+	if len(formats) == 0 {
+		return
+	}
+	for len(fonts) < len(formats) {
+		fonts = append(fonts, "regular")
+	}
+
+	pt := (float64(height) / float64(len(formats))) * 72.0 / float64(dev.DPI)
+
+	for i:=0; i<len(formats); i++ {
+		str := mapToTimeString(formats[i])
+		font := mapToFont(fonts[i])
+		lower := margin + (height / len(formats)) * i
+		upper := margin + (height / len(formats)) * (i + 1)
+
+		drawString(img, image.Rect(0, lower, size, upper),
+			font,
+			str,
+			pt,
+			image.Pt(-1, -1))
+	}
+
+	err := dev.SetImage(w.key, img)
+	if err != nil {
+		log.Fatal(err)
+	}
+}