Statuses

1 files changed, 97 insertions, 0 deletions

diff --git a/status/00-status.go b/status/00-status.go
new file mode 100644
index 0000000..d508eab
--- /dev/null
+++ b/status/00-status.go
@@ -0,0 +1,97 @@
+package status // import "hhvn.uk/hbspbar/status"
+
+import (
+	"time"
+	"sync"
+	"image"
+
+	"hhvn.uk/hbspbar/config"
+	"hhvn.uk/hbspbar/drw"
+)
+
+var Status   map[int]*status
+var Mutex    sync.Mutex
+var statusid map[string]int
+var Updated  chan bool
+var updates  chan *status
+
+const (
+	Red    = 0xffaa2222
+	Orange = 0xffaa7700
+	Green  = 0xff00aa00
+	Black  = 0xff000000
+	Grey   = 0xff888888
+	Yellow = 0xffaaaa00
+	White  = 0xffcccccc
+)
+
+func init() {
+	Status   = make(map[int]*status)
+	statusid = make(map[string]int)
+	Updated  = make(chan bool)
+	updates  = make(chan *status)
+
+	go func() {
+		for {
+			s := <- updates
+
+			id := statusid[s.Name]
+
+			Mutex.Lock()
+			Status[id] = s
+			Mutex.Unlock()
+
+			Updated <- true
+		}
+	}()
+}
+
+func register(name string) {
+	nid := 0
+	for _, id := range statusid {
+		if id >= nid {
+			nid = id + 1
+		}
+	}
+	statusid[name] = nid
+}
+
+type status struct {
+	Name string
+	I    *image.RGBA
+	W    int
+}
+
+func newUpdate(name string) (*status) {
+	var s status
+
+	s.Name = name
+	s.W    = 0
+	s.I    = image.NewRGBA(image.Rect(0, 0, 1000, int(config.H)))
+
+	// Use drw's in order not to modify s.W
+	drw.DrawRect(s.I, 0, 0, 1000, int(config.H), config.Status, true)
+
+	return &s
+}
+
+func sleep(s int) {
+	time.Sleep(time.Duration(s) * time.Second)
+}
+
+func (s *status) furthest(x int) {
+	if x > s.W {
+		s.W = x
+	}
+}
+
+func (s *status) drawText(x int, col uint32, text string) (int, error) {
+	w, err := drw.DrawText(s.I, x, col, text)
+	s.furthest(x + w)
+	return w, err
+}
+
+func (s *status) drawRect(x, y, w, h int, c uint32, fill bool) {
+	drw.DrawRect(s.I, x, y, w, h, c, fill)
+	s.furthest(x + w)
+}