Vendor dependencies using golang/dep

Output from 'dep status':

PROJECT                               CONSTRAINT     VERSION        REVISION  LATEST   PKGS USED
cloud.google.com/go                   v0.23.0        v0.23.0        0fd7230   v0.23.0  1
github.com/briandowns/openweathermap  ^0.11.0        0.11           1b87579   0.11     1
github.com/gdamore/encoding           branch master  branch master  b23993c   b23993c  1
github.com/gdamore/tcell              ^1.0.0         v1.0.0         061d51a   v1.0.0   2
github.com/go-test/deep               ^1.0.1         v1.0.1         6592d9c   v1.0.1   1
github.com/golang/protobuf            v1.1.0         v1.1.0         b4deda0   v1.1.0   1
github.com/google/go-github           branch master  branch master  2ae5df7   2ae5df7  1
github.com/google/go-querystring      branch master  branch master  53e6ce1   53e6ce1  1
github.com/jessevdk/go-flags          ^1.4.0         v1.4.0         c6ca198   v1.4.0   1
github.com/lucasb-eyer/go-colorful    v1.0           v1.0           345fbb3   v1.0     1
github.com/mattn/go-runewidth         v0.0.2         v0.0.2         9e777a8   v0.0.2   1
github.com/olebedev/config            branch master  branch master  9a10d05   9a10d05  1
github.com/radovskyb/watcher          ^1.0.2         v1.0.2         6145e14   v1.0.2   1
github.com/rivo/tview                 branch master  branch master  71ecf1f   71ecf1f  1
github.com/yfronto/newrelic           branch master  branch master  f7fa0c6   f7fa0c6  1
golang.org/x/net                      branch master  branch master  1e49130   1e49130  2
golang.org/x/oauth2                   branch master  branch master  1e0a3fa   1e0a3fa  5
golang.org/x/text                     v0.3.0         v0.3.0         f21a4df   v0.3.0   5
google.golang.org/api                 branch master  branch master  00e3bb8   00e3bb8  4
google.golang.org/appengine           v1.0.0         v1.0.0         150dc57   v1.0.0   10
gopkg.in/yaml.v2                      ^2.2.1         v2.2.1         5420a8b   v2.2.1   1

See https://golang.github.io/dep/docs/daily-dep.html

vendor/github.com/rivo/tview/button.go

@@ -0,0 +1,137 @@
+package tview
+
+import (
+	"github.com/gdamore/tcell"
+)
+
+// Button is labeled box that triggers an action when selected.
+//
+// See https://github.com/rivo/tview/wiki/Button for an example.
+type Button struct {
+	*Box
+
+	// The text to be displayed before the input area.
+	label string
+
+	// The label color.
+	labelColor tcell.Color
+
+	// The label color when the button is in focus.
+	labelColorActivated tcell.Color
+
+	// The background color when the button is in focus.
+	backgroundColorActivated tcell.Color
+
+	// An optional function which is called when the button was selected.
+	selected func()
+
+	// An optional function which is called when the user leaves the button. A
+	// key is provided indicating which key was pressed to leave (tab or backtab).
+	blur func(tcell.Key)
+}
+
+// NewButton returns a new input field.
+func NewButton(label string) *Button {
+	box := NewBox().SetBackgroundColor(Styles.ContrastBackgroundColor)
+	box.SetRect(0, 0, StringWidth(label)+4, 1)
+	return &Button{
+		Box:                      box,
+		label:                    label,
+		labelColor:               Styles.PrimaryTextColor,
+		labelColorActivated:      Styles.InverseTextColor,
+		backgroundColorActivated: Styles.PrimaryTextColor,
+	}
+}
+
+// SetLabel sets the button text.
+func (b *Button) SetLabel(label string) *Button {
+	b.label = label
+	return b
+}
+
+// GetLabel returns the button text.
+func (b *Button) GetLabel() string {
+	return b.label
+}
+
+// SetLabelColor sets the color of the button text.
+func (b *Button) SetLabelColor(color tcell.Color) *Button {
+	b.labelColor = color
+	return b
+}
+
+// SetLabelColorActivated sets the color of the button text when the button is
+// in focus.
+func (b *Button) SetLabelColorActivated(color tcell.Color) *Button {
+	b.labelColorActivated = color
+	return b
+}
+
+// SetBackgroundColorActivated sets the background color of the button text when
+// the button is in focus.
+func (b *Button) SetBackgroundColorActivated(color tcell.Color) *Button {
+	b.backgroundColorActivated = color
+	return b
+}
+
+// SetSelectedFunc sets a handler which is called when the button was selected.
+func (b *Button) SetSelectedFunc(handler func()) *Button {
+	b.selected = handler
+	return b
+}
+
+// SetBlurFunc sets a handler which is called when the user leaves the button.
+// The callback function is provided with the key that was pressed, which is one
+// of the following:
+//
+//   - KeyEscape: Leaving the button with no specific direction.
+//   - KeyTab: Move to the next field.
+//   - KeyBacktab: Move to the previous field.
+func (b *Button) SetBlurFunc(handler func(key tcell.Key)) *Button {
+	b.blur = handler
+	return b
+}
+
+// Draw draws this primitive onto the screen.
+func (b *Button) Draw(screen tcell.Screen) {
+	// Draw the box.
+	borderColor := b.borderColor
+	backgroundColor := b.backgroundColor
+	if b.focus.HasFocus() {
+		b.backgroundColor = b.backgroundColorActivated
+		b.borderColor = b.labelColorActivated
+		defer func() {
+			b.borderColor = borderColor
+		}()
+	}
+	b.Box.Draw(screen)
+	b.backgroundColor = backgroundColor
+
+	// Draw label.
+	x, y, width, height := b.GetInnerRect()
+	if width > 0 && height > 0 {
+		y = y + height/2
+		labelColor := b.labelColor
+		if b.focus.HasFocus() {
+			labelColor = b.labelColorActivated
+		}
+		Print(screen, b.label, x, y, width, AlignCenter, labelColor)
+	}
+}
+
+// InputHandler returns the handler for this primitive.
+func (b *Button) InputHandler() func(event *tcell.EventKey, setFocus func(p Primitive)) {
+	return b.WrapInputHandler(func(event *tcell.EventKey, setFocus func(p Primitive)) {
+		// Process key event.
+		switch key := event.Key(); key {
+		case tcell.KeyEnter: // Selected.
+			if b.selected != nil {
+				b.selected()
+			}
+		case tcell.KeyBacktab, tcell.KeyTab, tcell.KeyEscape: // Leave. No action.
+			if b.blur != nil {
+				b.blur(key)
+			}
+		}
+	})
+}