Don't display the tab bar if only one tab is open

cmd/micro/tab.go

@@ -31,6 +31,9 @@ func CurView() *View {
 }
 
 func DisplayTabs() {
+	if len(tabs) <= 1 {
+		return
+	}
 	str := ""
 	for i, t := range tabs {
 		if i == curTab {

cmd/micro/view.go

@@ -99,7 +99,7 @@ func NewView(buf *Buffer) *View {
 func NewViewWidthHeight(buf *Buffer, w, h int) *View {
 	v := new(View)
 
-	v.x, v.y = 0, 1
+	v.x, v.y = 0, 0
 
 	v.widthPercent = w
 	v.heightPercent = h
@@ -123,8 +123,11 @@ func NewViewWidthHeight(buf *Buffer, w, h int) *View {
 func (v *View) Resize(w, h int) {
 	// Always include 1 line for the command line at the bottom
 	h--
-	// Include one line for the tab bar at the top
-	h--
+	if len(tabs) > 1 {
+		// Include one line for the tab bar at the top
+		h--
+		v.y = 1
+	}
 	v.width = int(float32(w) * float32(v.widthPercent) / 100)
 	// We subtract 1 for the statusline
 	v.height = int(float32(h) * float32(v.heightPercent) / 100)

runtime/plugins/go/go.lua

@@ -9,7 +9,7 @@ MakeCommand("goimports", "go_goimports")
 MakeCommand("gofmt", "go_gofmt")
 
 function go_onSave()
-    if views[mainView+1].Buf.FileType == "Go" then
+    if CurView().Buf.FileType == "Go" then
         if GetOption("goimports") then
             go_goimports()
         elseif GetOption("gofmt") then
@@ -19,21 +19,21 @@ function go_onSave()
 end
 
 function go_gofmt()
-    views[mainView+1]:Save()
-    local handle = io.popen("gofmt -w " .. views[mainView+1].Buf.Path)
+    CurView():Save()
+    local handle = io.popen("gofmt -w " .. CurView().Buf.Path)
     local result = handle:read("*a")
     handle:close()
 
-    views[mainView+1]:ReOpen()
+    CurView():ReOpen()
 end
 
 function go_goimports()
-    views[mainView+1]:Save()
-    local handle = io.popen("goimports -w " .. views[mainView+1].Buf.Path)
+    CurView():Save()
+    local handle = io.popen("goimports -w " .. CurView().Buf.Path)
     local result = go_split(handle:read("*a"), ":")
     handle:close()
 
-    views[mainView+1]:ReOpen()
+    CurView():ReOpen()
 end
 
 function go_split(str, sep)

runtime/plugins/linter/linter.lua

@@ -4,15 +4,15 @@ end
 
 function linter_onSave()
     if GetOption("linter") then
-        local ft = views[mainView+1].Buf.FileType
-        local file = views[mainView+1].Buf.Path
+        local ft = CurView().Buf.FileType
+        local file = CurView().Buf.Path
         local devnull = "/dev/null"
         if OS == "windows" then
             devnull = "NUL"
         end
         if ft == "Go" then
             linter_lint("gobuild", "go build -o " .. devnull, "%f:%l: %m")
-            linter_lint("golint", "golint " .. views[mainView+1].Buf.Path, "%f:%l:%d+: %m")
+            linter_lint("golint", "golint " .. CurView().Buf.Path, "%f:%l:%d+: %m")
         elseif ft == "Lua" then
             linter_lint("luacheck", "luacheck --no-color " .. file, "%f:%l:%d+: %m")
         elseif ft == "Python" then
@@ -27,12 +27,12 @@ function linter_onSave()
             linter_lint("jshint", "jshint " .. file, "%f: line %l,.+, %m")
         end
     else
-        views[mainView+1]:ClearAllGutterMessages()
+        CurView():ClearAllGutterMessages()
     end
 end
 
 function linter_lint(linter, cmd, errorformat)
-    views[mainView+1]:ClearGutterMessages(linter)
+    CurView():ClearGutterMessages(linter)
 
     local handle = io.popen("(" .. cmd .. ")" .. " 2>&1")
     local lines = linter_split(handle:read("*a"), "\n")
@@ -44,8 +44,8 @@ function linter_lint(linter, cmd, errorformat)
         line = line:match("^%s*(.+)%s*$")
         if string.find(line, regex) then
             local file, line, msg = string.match(line, regex)
-            if linter_basename(views[mainView+1].Buf.Path) == linter_basename(file) then
-                views[mainView+1]:GutterMessage(linter, tonumber(line), msg, 2)
+            if linter_basename(CurView().Buf.Path) == linter_basename(file) then
+                CurView():GutterMessage(linter, tonumber(line), msg, 2)
             end
         end
     end