aboutsummaryrefslogtreecommitdiff
path: root/widgets/status.go
diff options
context:
space:
mode:
Diffstat (limited to 'widgets/status.go')
-rw-r--r--widgets/status.go91
1 files changed, 91 insertions, 0 deletions
diff --git a/widgets/status.go b/widgets/status.go
new file mode 100644
index 0000000..bb87d33
--- /dev/null
+++ b/widgets/status.go
@@ -0,0 +1,91 @@
+package widgets
+
+import (
+ "time"
+
+ tb "github.com/nsf/termbox-go"
+
+ "git.sr.ht/~sircmpwn/aerc2/lib/ui"
+)
+
+type StatusLine struct {
+ stack []*StatusMessage
+ fallback StatusMessage
+
+ onInvalidate func(d ui.Drawable)
+}
+
+type StatusMessage struct {
+ bg tb.Attribute
+ fg tb.Attribute
+ message string
+}
+
+func NewStatusLine() *StatusLine {
+ return &StatusLine{
+ fallback: StatusMessage{
+ bg: tb.ColorWhite,
+ fg: tb.ColorBlack,
+ message: "Idle",
+ },
+ }
+}
+
+func (status *StatusLine) OnInvalidate(onInvalidate func (d ui.Drawable)) {
+ status.onInvalidate = onInvalidate
+}
+
+func (status *StatusLine) Invalidate() {
+ if status.onInvalidate != nil {
+ status.onInvalidate(status)
+ }
+}
+
+func (status *StatusLine) Draw(ctx *ui.Context) {
+ line := &status.fallback
+ if len(status.stack) != 0 {
+ line = status.stack[len(status.stack)-1]
+ }
+ cell := tb.Cell{
+ Fg: line.fg,
+ Bg: line.bg,
+ Ch: ' ',
+ }
+ ctx.Fill(0, 0, ctx.Width(), ctx.Height(), cell)
+ ctx.Printf(0, 0, cell, "%s", line.message)
+}
+
+func (status *StatusLine) Set(text string) *StatusMessage {
+ status.fallback = StatusMessage{
+ bg: tb.ColorWhite,
+ fg: tb.ColorBlack,
+ message: text,
+ }
+ status.Invalidate()
+ return &status.fallback
+}
+
+func (status *StatusLine) Push(text string, expiry time.Duration) *StatusMessage {
+ msg := &StatusMessage{
+ bg: tb.ColorWhite,
+ fg: tb.ColorBlack,
+ message: text,
+ }
+ status.stack = append(status.stack, msg)
+ go (func () {
+ time.Sleep(expiry)
+ for i, m := range status.stack {
+ if m == msg {
+ status.stack = append(status.stack[:i], status.stack[i+1:]...)
+ break
+ }
+ }
+ status.Invalidate()
+ })()
+ return msg
+}
+
+func (msg *StatusMessage) Color(bg tb.Attribute, fg tb.Attribute) {
+ msg.bg = bg
+ msg.fg = fg
+}