1 files changed, 89 insertions, 0 deletions
diff --git a/termui/msg_popup.go b/termui/msg_popup.go
new file mode 100644
index 00000000..dea24fb4
--- /dev/null
+++ b/termui/msg_popup.go
@@ -0,0 +1,89 @@
+package termui
+
+import (
+	"fmt"
+
+	"github.com/MichaelMure/git-bug/util"
+	"github.com/jroimartin/gocui"
+)
+
+const msgPopupView = "msgPopupView"
+
+const msgPopupErrorTitle = "Error"
+
+type msgPopup struct {
+	active  bool
+	title   string
+	message string
+}
+
+func newMsgPopup() *msgPopup {
+	return &msgPopup{
+		message: "",
+	}
+}
+
+func (ep *msgPopup) keybindings(g *gocui.Gui) error {
+	if err := g.SetKeybinding(msgPopupView, gocui.KeySpace, gocui.ModNone, ep.close); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding(msgPopupView, gocui.KeyEnter, gocui.ModNone, ep.close); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding(msgPopupView, 'q', gocui.ModNone, ep.close); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (ep *msgPopup) layout(g *gocui.Gui) error {
+	if !ep.active {
+		return nil
+	}
+
+	maxX, maxY := g.Size()
+
+	width := minInt(60, maxX)
+	wrapped, lines := util.TextWrap(ep.message, width-2)
+	height := minInt(lines+1, maxY-3)
+	x0 := (maxX - width) / 2
+	y0 := (maxY - height) / 2
+
+	v, err := g.SetView(msgPopupView, x0, y0, x0+width, y0+height)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+
+		v.Frame = true
+		v.Autoscroll = true
+	}
+
+	v.Title = ep.title
+
+	v.Clear()
+	fmt.Fprintf(v, wrapped)
+
+	if _, err := g.SetCurrentView(msgPopupView); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (ep *msgPopup) close(g *gocui.Gui, v *gocui.View) error {
+	ep.active = false
+	ep.message = ""
+	return g.DeleteView(msgPopupView)
+}
+
+func (ep *msgPopup) Activate(title string, message string) {
+	ep.active = true
+	ep.title = title
+	ep.message = message
+}
+
+func (ep *msgPopup) UpdateMessage(message string) {
+	ep.message = message
+}