89 lines
1.6 KiB
Go
89 lines
1.6 KiB
Go
package ui
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import (
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tb "github.com/nsf/termbox-go"
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"git.sr.ht/~sircmpwn/aerc2/config"
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)
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func Initialize(conf *config.AercConfig) (*UIState, error) {
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state := UIState{
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Config: conf,
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InvalidPanes: InvalidateAll,
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tbEvents: make(chan tb.Event, 10),
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}
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if err := tb.Init(); err != nil {
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return nil, err
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}
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tb.SetInputMode(tb.InputEsc | tb.InputMouse)
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tb.SetOutputMode(tb.Output256)
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go (func() {
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for !state.Exit {
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state.tbEvents <- tb.PollEvent()
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}
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})()
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return &state, nil
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}
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func (state *UIState) Close() {
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tb.Close()
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}
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func (state *UIState) AddTab(tab AercTab) {
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tab.SetParent(state)
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state.Tabs = append(state.Tabs, tab)
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}
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func (state *UIState) Invalidate(what uint) {
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state.InvalidPanes |= what
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}
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func (state *UIState) InvalidateFrom(tab AercTab) {
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if state.Tabs[state.SelectedTab] == tab {
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state.Invalidate(InvalidateTabView)
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}
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}
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func (state *UIState) calcGeometries() {
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width, height := tb.Size()
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// TODO: more
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state.Panes.TabView = Geometry{
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Row: 0,
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Col: 0,
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Width: width,
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Height: height,
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}
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}
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func (state *UIState) Tick() bool {
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select {
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case event := <-state.tbEvents:
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switch event.Type {
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case tb.EventKey:
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if event.Key == tb.KeyEsc {
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state.Exit = true
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}
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case tb.EventResize:
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state.Invalidate(InvalidateAll)
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}
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default:
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// no-op
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break
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}
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if state.InvalidPanes != 0 {
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invalid := state.InvalidPanes
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state.InvalidPanes = 0
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if invalid&InvalidateAll == InvalidateAll {
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tb.Clear(tb.ColorDefault, tb.ColorDefault)
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state.calcGeometries()
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}
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if invalid&InvalidateTabView != 0 {
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tab := state.Tabs[state.SelectedTab]
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tab.Render(state.Panes.TabView)
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}
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tb.Flush()
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}
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return true
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}
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