From db1b2cd53f5dc7bfbfb6ee54ad0bb0882ea2cc03 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Wed, 10 Jan 2018 22:03:56 -0500
Subject: Renderer scaffolding

---
 ui/render.go | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 ui/render.go

(limited to 'ui/render.go')

diff --git a/ui/render.go b/ui/render.go
new file mode 100644
index 0000000..bca0cf6
--- /dev/null
+++ b/ui/render.go
@@ -0,0 +1,45 @@
+package ui
+
+import (
+	tb "github.com/nsf/termbox-go"
+
+	"git.sr.ht/~sircmpwn/aerc2/config"
+)
+
+func Initialize(conf *config.AercConfig) (*UIState, error) {
+	state := UIState{
+		InvalidPanes: InvalidateAll,
+		Tabs:         make([]AercTab, len(conf.Accounts)),
+	}
+	// TODO: Initialize each tab to a mailbox tab
+	if err := tb.Init(); err != nil {
+		return nil, err
+	}
+	tb.SetInputMode(tb.InputEsc | tb.InputMouse)
+	tb.SetOutputMode(tb.Output256)
+	return &state, nil
+}
+
+func (state *UIState) Close() {
+	tb.Close()
+}
+
+func (state *UIState) Invalidate(what uint) {
+	state.InvalidPanes |= what
+}
+
+func (state *UIState) Tick() bool {
+	switch e := tb.PollEvent(); e.Type {
+	case tb.EventKey:
+		if e.Key == tb.KeyEsc {
+			state.Exit = true
+		}
+	case tb.EventResize:
+		state.Invalidate(InvalidateAll)
+	}
+	if state.InvalidPanes != 0 {
+		// TODO: re-render
+		state.InvalidPanes = 0
+	}
+	return true
+}
-- 
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