Handle new lines arriving

We display the lines, but we also just freeze. Try "./moar.sh moar.sh"
and try to search and you'll see.

m/pager.go

@@ -453,6 +453,21 @@ func (p *_Pager) StartPaging(logger *log.Logger, screen tcell.Screen) {
 	screen.Show()
 	p._Redraw(logger)
 
+	go func() {
+		for {
+			// Wait for new lines to appear
+			<-p.reader.moreLinesAdded
+
+			// Request refresh
+			//
+			// FIXME: What we want to do here really is request a refresh in
+			// 0.2s. If a refresh is already pending, do nothing. This way
+			// we'll be able to respond to more lines read, while not having
+			// to refresh the screen too many times for long files.
+			screen.PostEvent(tcell.NewEventInterrupt(nil))
+		}
+	}()
+
 	// Main loop
 	for !p.quit {
 		ev := screen.PollEvent()

moar.go

@@ -18,6 +18,8 @@ import (
 var versionString = "Should be set when building, please use build.sh to build"
 
 func main() {
+	// FIXME: If we get a CTRL-C, get terminal back into a useful state before terminating
+
 	defer func() {
 		err := recover()
 		if err == nil {