Add infobar

cmd/micro/display/infowindow.go

@@ -0,0 +1,74 @@
+package display
+
+import (
+	"strings"
+
+	runewidth "github.com/mattn/go-runewidth"
+	"github.com/zyedidia/micro/cmd/micro/config"
+	"github.com/zyedidia/micro/cmd/micro/info"
+	"github.com/zyedidia/micro/cmd/micro/screen"
+	"github.com/zyedidia/tcell"
+)
+
+type InfoWindow struct {
+	*info.Bar
+	*View
+
+	defStyle tcell.Style
+	errStyle tcell.Style
+
+	width int
+	y     int
+}
+
+func NewInfoWindow(b *info.Bar) *InfoWindow {
+	iw := new(InfoWindow)
+	iw.Bar = b
+	iw.View = new(View)
+
+	iw.defStyle = config.DefStyle
+
+	if _, ok := config.Colorscheme["message"]; ok {
+		iw.defStyle = config.Colorscheme["message"]
+	}
+
+	iw.errStyle = config.DefStyle.
+		Foreground(tcell.ColorBlack).
+		Background(tcell.ColorMaroon)
+
+	if _, ok := config.Colorscheme["error-message"]; ok {
+		iw.errStyle = config.Colorscheme["error-message"]
+	}
+
+	iw.width, iw.y = screen.Screen.Size()
+	iw.y--
+
+	return iw
+}
+
+func (i *InfoWindow) Relocate() bool  { return false }
+func (i *InfoWindow) GetView() *View  { return i.View }
+func (i *InfoWindow) SetView(v *View) {}
+
+func (i *InfoWindow) Clear() {
+	for x := 0; x < i.width; x++ {
+		screen.Screen.SetContent(x, i.y, ' ', nil, config.DefStyle)
+	}
+}
+
+func (i *InfoWindow) Display() {
+	x := 0
+	if i.HasPrompt || config.GlobalSettings["infobar"].(bool) {
+		style := i.defStyle
+
+		if i.HasError {
+			style = i.errStyle
+		}
+
+		display := i.Msg + strings.TrimSpace(string(i.Bytes()))
+		for _, c := range display {
+			screen.Screen.SetContent(x, i.y, c, nil, style)
+			x += runewidth.RuneWidth(c)
+		}
+	}
+}