toggle help menu

Former-commit-id: d9aad64fd3087c6789de73a7946a16caad9c7fc2 [formerly d9aad64fd3087c6789de73a7946a16caad9c7fc2 [formerly 0fd056c846092e8310cab5dd042e927e8fca74d6 [formerly b3f6d2ec560622cede5c81658302154814f02d9b]]]
Former-commit-id: f4da4cdd33244f486f2e29355a20c0b011718518
Former-commit-id: 31cc38d2450cbef3401a1183b1b0519d0043a9de [formerly f8ecf5b286c93e0672058008c9a9651919107633]
Former-commit-id: 526df3564e2949dfb4d16f36736fa32a5ef95919

cointop/actions.go

@@ -4,6 +4,8 @@ func actionsMap() map[string]bool {
 	return map[string]bool{
 		"first_page":                      true,
 		"help":                            true,
+		"toggle_show_help":                true,
+		"close_help":                      true,
 		"last_page":                       true,
 		"move_to_page_first_row":          true,
 		"move_to_page_last_row":           true,

cointop/cointop.go

@@ -46,6 +46,7 @@ type Cointop struct {
 	cache             *cache.Cache
 	debug             bool
 	helpview          *gocui.View
+	helpvisible       bool
 }
 
 // Run runs cointop
@@ -109,5 +110,13 @@ func Run() {
 }
 
 func (ct *Cointop) quit() error {
+	if ct.helpvisible {
+		return nil
+	}
+
+	return ct.forceQuit()
+}
+
+func (ct *Cointop) forceQuit() error {
 	return gocui.ErrQuit
 }

cointop/help.go

@@ -1,6 +1,53 @@
 package cointop
 
-func (ct *Cointop) openHelp() error {
+import (
+	"fmt"
+
+	"github.com/miguelmota/cointop/pkg/pad"
+)
+
+func (ct *Cointop) toggleHelp() error {
+	ct.helpvisible = !ct.helpvisible
+	if ct.helpvisible {
+		return ct.showHelp()
+	}
+	return ct.hideHelp()
+}
+
+func (ct *Cointop) updateHelp() {
+	str := fmt.Sprintf(" Help %s\n\n", pad.Left("[x] exit", ct.maxtablewidth-11, " "))
+	i := 0
+	for k, v := range ct.shortcutkeys {
+		nl := " "
+		i = i + 1
+		if i%3 == 0 {
+			i = 0
+			nl = "\n"
+		}
+		str = fmt.Sprintf("%s%10s %-40s%s", str, fmt.Sprintf("[%s]", k), v, nl)
+	}
+
+	ct.update(func() {
+		ct.helpview.Clear()
+		ct.helpview.Frame = true
+		fmt.Fprintln(ct.helpview, str)
+	})
+}
+
+func (ct *Cointop) showHelp() error {
+	ct.helpvisible = true
+	ct.updateHelp()
 	ct.setActiveView("help")
 	return nil
 }
+
+func (ct *Cointop) hideHelp() error {
+	ct.helpvisible = false
+	ct.setViewOnBottom("help")
+	ct.update(func() {
+		ct.helpview.Clear()
+		ct.helpview.Frame = false
+		fmt.Fprintln(ct.helpview, "")
+	})
+	return nil
+}

cointop/keybindings.go

@@ -225,8 +225,13 @@ func (ct *Cointop) keybindings(g *gocui.Gui) error {
 		case "sort_right_column":
 			fn = ct.keyfn(ct.sortNextCol)
 		case "help":
-			fn = ct.keyfn(ct.openHelp)
+			fallthrough
+		case "toggle_show_help":
+			fn = ct.keyfn(ct.toggleHelp)
 			view = ""
+		case "hide_help":
+			fn = ct.keyfn(ct.hideHelp)
+			view = "help"
 		case "first_page":
 			fn = ct.keyfn(ct.firstPage)
 		case "sort_column_1h_change":
@@ -280,8 +285,18 @@ func (ct *Cointop) keybindings(g *gocui.Gui) error {
 		ct.setKeybindingMod(key, mod, fn, view)
 	}
 
+	// keys to force quit
+	ct.setKeybindingMod(gocui.KeyCtrlC, gocui.ModNone, ct.keyfn(ct.forceQuit), "")
+	ct.setKeybindingMod(gocui.KeyCtrlZ, gocui.ModNone, ct.keyfn(ct.forceQuit), "")
+
+	// searchfield keys
 	ct.setKeybindingMod(gocui.KeyEnter, gocui.ModNone, ct.keyfn(ct.doSearch), "searchfield")
 	ct.setKeybindingMod(gocui.KeyEsc, gocui.ModNone, ct.keyfn(ct.cancelSearch), "searchfield")
+
+	// keys to quit help when open
+	ct.setKeybindingMod(gocui.KeyEsc, gocui.ModNone, ct.keyfn(ct.hideHelp), "help")
+	ct.setKeybindingMod('q', gocui.ModNone, ct.keyfn(ct.hideHelp), "help")
+	ct.setKeybindingMod('x', gocui.ModNone, ct.keyfn(ct.hideHelp), "help")
 	return nil
 }
 

cointop/layout.go

@@ -80,20 +80,12 @@ func (ct *Cointop) layout(g *gocui.Gui) error {
 		ct.searchfield.FgColor = gocui.ColorWhite
 	}
 
-	helpwidth := 50
-	helpheight := 25
-	tablewidth := 182
-	helpX := (tablewidth / 2) - (helpwidth / 2)
-	helpY := topOffset + 2
-	if helpX <= 0 {
-		helpX = 5
-	}
-	if v, err := g.SetView("help", helpX, helpY, helpX+helpwidth, helpY+helpheight); err != nil {
+	if v, err := g.SetView("help", 1, 1, ct.maxtablewidth-2, maxY-2); err != nil {
 		if err != gocui.ErrUnknownView {
 			return err
 		}
 		ct.helpview = v
-		ct.helpview.Frame = true
+		ct.helpview.Frame = false
 		ct.helpview.BgColor = gocui.ColorBlack
 		ct.helpview.FgColor = gocui.ColorWhite
 
@@ -122,6 +114,11 @@ func (ct *Cointop) setActiveView(v string) error {
 	return nil
 }
 
+func (ct *Cointop) setViewOnBottom(v string) error {
+	_, err := ct.g.SetViewOnBottom(v)
+	return err
+}
+
 func (ct *Cointop) intervalFetchData() {
 	go func() {
 		for {