Move filter event handling into proc widget.

main.go

@@ -12,7 +12,6 @@ import (
 	"strconv"
 	"syscall"
 	"time"
-	"unicode/utf8"
 
 	docopt "github.com/docopt/docopt.go"
 	ui "github.com/gizak/termui/v3"
@@ -274,36 +273,6 @@ func initWidgets() {
 	}
 }
 
-// handleEditFilterEvents handles events while editing the proc filter.
-// Returns true if the event was handled.
-func handleEditFilterEvents(e ui.Event) bool {
-	if utf8.RuneCountInString(e.ID) == 1 {
-		proc.SetFilter(proc.Filter() + e.ID)
-		ui.Render(proc)
-		return true
-	}
-	switch e.ID {
-	case "<C-c>", "<Escape>":
-		proc.SetFilter("")
-		proc.SetEditingFilter(false)
-		ui.Render(proc)
-	case "<Enter>":
-		proc.SetEditingFilter(false)
-		ui.Render(proc)
-	case "<Backspace>":
-		if filter := proc.Filter(); filter != "" {
-			proc.SetFilter(filter[:len(filter)-1])
-		}
-		ui.Render(proc)
-	case "<Space>":
-		proc.SetFilter(proc.Filter() + " ")
-		ui.Render(proc)
-	default:
-		return false
-	}
-	return true
-}
-
 func eventLoop() {
 	drawTicker := time.NewTicker(updateInterval).C
 
@@ -327,8 +296,8 @@ func eventLoop() {
 				}
 			}
 		case e := <-uiEvents:
-
-			if proc.EditingFilter() && handleEditFilterEvents(e) {
+			if proc.HandleEvent(e) {
+				ui.Render(proc)
 				break
 			}
 			switch e.ID {

src/widgets/proc.go

@@ -96,19 +96,6 @@ func NewProcWidget() *ProcWidget {
 	return self
 }
 
-func (self *ProcWidget) Filter() string {
-	return self.filter
-}
-
-func (self *ProcWidget) SetFilter(filter string) {
-	self.filter = filter
-	self.update()
-}
-
-func (self *ProcWidget) EditingFilter() bool {
-	return self.editingFilter
-}
-
 func (self *ProcWidget) SetEditingFilter(editing bool) {
 	self.editingFilter = editing
 	if !editing {
@@ -116,6 +103,38 @@ func (self *ProcWidget) SetEditingFilter(editing bool) {
 	}
 }
 
+// handleEditFilterEvents handles events while editing the proc filter.
+// Returns true if the event was handled.
+func (self *ProcWidget) HandleEvent(e tui.Event) bool {
+	if !self.editingFilter {
+		return false
+	}
+	if utf8.RuneCountInString(e.ID) == 1 {
+		self.filter += e.ID
+		self.update()
+		return true
+	}
+	switch e.ID {
+	case "<C-c>", "<Escape>":
+		self.filter = ""
+		self.update()
+		self.SetEditingFilter(false)
+	case "<Enter>":
+		self.SetEditingFilter(false)
+	case "<Backspace>":
+		if self.filter != "" {
+			self.filter = self.filter[:len(self.filter)-1]
+			self.update()
+		}
+	case "<Space>":
+		self.filter += " "
+		self.update()
+	default:
+		return false
+	}
+	return true
+}
+
 func (self *ProcWidget) Draw(buf *tui.Buffer) {
 	self.Table.Draw(buf)
 	if self.filter != "" || self.editingFilter {