8635c70fda
Aerc will keep track of the previous 1000 commands, which the user can cycle through using the arrow keys while in the ex-line. Pressing up will move backwards in history while pressing down will move forward.
382 lines
8.6 KiB
Go
382 lines
8.6 KiB
Go
package widgets
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import (
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"errors"
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"log"
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"net/url"
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"strings"
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"time"
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"github.com/gdamore/tcell"
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"github.com/google/shlex"
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"git.sr.ht/~sircmpwn/aerc/config"
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"git.sr.ht/~sircmpwn/aerc/lib"
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"git.sr.ht/~sircmpwn/aerc/lib/ui"
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libui "git.sr.ht/~sircmpwn/aerc/lib/ui"
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)
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type Aerc struct {
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accounts map[string]*AccountView
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cmd func(cmd []string) error
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cmdHistory lib.History
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complete func(cmd string) []string
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conf *config.AercConfig
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focused libui.Interactive
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grid *libui.Grid
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logger *log.Logger
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simulating int
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statusbar *libui.Stack
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statusline *StatusLine
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pendingKeys []config.KeyStroke
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tabs *libui.Tabs
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}
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func NewAerc(conf *config.AercConfig, logger *log.Logger,
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cmd func(cmd []string) error, complete func(cmd string) []string,
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cmdHistory lib.History) *Aerc {
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tabs := libui.NewTabs()
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statusbar := ui.NewStack()
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statusline := NewStatusLine()
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statusbar.Push(statusline)
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grid := libui.NewGrid().Rows([]libui.GridSpec{
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{libui.SIZE_EXACT, 1},
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{libui.SIZE_WEIGHT, 1},
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{libui.SIZE_EXACT, 1},
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}).Columns([]libui.GridSpec{
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{libui.SIZE_WEIGHT, 1},
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})
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grid.AddChild(tabs.TabStrip)
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grid.AddChild(tabs.TabContent).At(1, 0)
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grid.AddChild(statusbar).At(2, 0)
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aerc := &Aerc{
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accounts: make(map[string]*AccountView),
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conf: conf,
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cmd: cmd,
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cmdHistory: cmdHistory,
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complete: complete,
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grid: grid,
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logger: logger,
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statusbar: statusbar,
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statusline: statusline,
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tabs: tabs,
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}
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statusline.SetAerc(aerc)
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conf.Triggers.ExecuteCommand = cmd
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for i, acct := range conf.Accounts {
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view := NewAccountView(conf, &conf.Accounts[i], logger, aerc)
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aerc.accounts[acct.Name] = view
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tabs.Add(view, acct.Name)
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}
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if len(conf.Accounts) == 0 {
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wizard := NewAccountWizard(aerc.Config(), aerc)
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wizard.Focus(true)
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aerc.NewTab(wizard, "New account")
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}
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return aerc
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}
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func (aerc *Aerc) Tick() bool {
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more := false
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for _, acct := range aerc.accounts {
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more = acct.Tick() || more
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}
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return more
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}
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func (aerc *Aerc) Children() []ui.Drawable {
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return aerc.grid.Children()
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}
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func (aerc *Aerc) OnInvalidate(onInvalidate func(d libui.Drawable)) {
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aerc.grid.OnInvalidate(func(_ libui.Drawable) {
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onInvalidate(aerc)
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})
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}
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func (aerc *Aerc) Invalidate() {
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aerc.grid.Invalidate()
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}
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func (aerc *Aerc) Focus(focus bool) {
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// who cares
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}
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func (aerc *Aerc) Draw(ctx *libui.Context) {
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aerc.grid.Draw(ctx)
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}
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func (aerc *Aerc) getBindings() *config.KeyBindings {
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switch view := aerc.SelectedTab().(type) {
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case *AccountView:
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return aerc.conf.Bindings.MessageList
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case *AccountWizard:
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return aerc.conf.Bindings.AccountWizard
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case *Composer:
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switch view.Bindings() {
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case "compose::editor":
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return aerc.conf.Bindings.ComposeEditor
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case "compose::review":
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return aerc.conf.Bindings.ComposeReview
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default:
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return aerc.conf.Bindings.Compose
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}
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case *MessageViewer:
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return aerc.conf.Bindings.MessageView
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case *Terminal:
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return aerc.conf.Bindings.Terminal
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default:
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return aerc.conf.Bindings.Global
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}
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}
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func (aerc *Aerc) simulate(strokes []config.KeyStroke) {
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aerc.pendingKeys = []config.KeyStroke{}
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aerc.simulating += 1
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for _, stroke := range strokes {
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simulated := tcell.NewEventKey(
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stroke.Key, stroke.Rune, tcell.ModNone)
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aerc.Event(simulated)
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}
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aerc.simulating -= 1
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}
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func (aerc *Aerc) Event(event tcell.Event) bool {
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if aerc.focused != nil {
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return aerc.focused.Event(event)
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}
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switch event := event.(type) {
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case *tcell.EventKey:
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aerc.statusline.Expire()
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aerc.pendingKeys = append(aerc.pendingKeys, config.KeyStroke{
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Key: event.Key(),
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Rune: event.Rune(),
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})
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aerc.statusline.Invalidate()
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bindings := aerc.getBindings()
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incomplete := false
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result, strokes := bindings.GetBinding(aerc.pendingKeys)
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switch result {
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case config.BINDING_FOUND:
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aerc.simulate(strokes)
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return true
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case config.BINDING_INCOMPLETE:
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incomplete = true
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case config.BINDING_NOT_FOUND:
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}
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if bindings.Globals {
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result, strokes = aerc.conf.Bindings.Global.
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GetBinding(aerc.pendingKeys)
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switch result {
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case config.BINDING_FOUND:
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aerc.simulate(strokes)
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return true
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case config.BINDING_INCOMPLETE:
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incomplete = true
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case config.BINDING_NOT_FOUND:
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}
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}
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if !incomplete {
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aerc.pendingKeys = []config.KeyStroke{}
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exKey := bindings.ExKey
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if aerc.simulating > 0 {
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// Keybindings still use : even if you change the ex key
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exKey = aerc.conf.Bindings.Global.ExKey
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}
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if event.Key() == exKey.Key && event.Rune() == exKey.Rune {
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aerc.BeginExCommand()
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return true
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}
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interactive, ok := aerc.tabs.Tabs[aerc.tabs.Selected].Content.(ui.Interactive)
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if ok {
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return interactive.Event(event)
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}
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return false
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}
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case *tcell.EventMouse:
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aerc.tabs.MouseEvent(event)
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}
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return false
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}
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func (aerc *Aerc) Config() *config.AercConfig {
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return aerc.conf
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}
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func (aerc *Aerc) Logger() *log.Logger {
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return aerc.logger
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}
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func (aerc *Aerc) SelectedAccount() *AccountView {
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acct, ok := aerc.accounts[aerc.tabs.Tabs[aerc.tabs.Selected].Name]
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if !ok {
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return nil
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}
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return acct
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}
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func (aerc *Aerc) SelectedTab() ui.Drawable {
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return aerc.tabs.Tabs[aerc.tabs.Selected].Content
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}
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func (aerc *Aerc) NewTab(drawable ui.Drawable, name string) *ui.Tab {
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tab := aerc.tabs.Add(drawable, name)
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aerc.tabs.Select(len(aerc.tabs.Tabs) - 1)
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return tab
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}
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func (aerc *Aerc) RemoveTab(tab ui.Drawable) {
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aerc.tabs.Remove(tab)
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}
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func (aerc *Aerc) ReplaceTab(tabSrc ui.Drawable, tabTarget ui.Drawable, name string) {
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aerc.tabs.Replace(tabSrc, tabTarget, name)
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}
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func (aerc *Aerc) NextTab() {
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next := aerc.tabs.Selected + 1
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if next >= len(aerc.tabs.Tabs) {
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next = 0
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}
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aerc.tabs.Select(next)
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}
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func (aerc *Aerc) PrevTab() {
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next := aerc.tabs.Selected - 1
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if next < 0 {
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next = len(aerc.tabs.Tabs) - 1
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}
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aerc.tabs.Select(next)
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}
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func (aerc *Aerc) SelectTab(name string) bool {
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for i, tab := range aerc.tabs.Tabs {
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if tab.Name == name {
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aerc.tabs.Select(i)
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return true
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}
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}
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return false
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}
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func (aerc *Aerc) TabNames() []string {
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var names []string
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for _, tab := range aerc.tabs.Tabs {
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names = append(names, tab.Name)
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}
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return names
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}
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func (aerc *Aerc) SelectPreviousTab() bool {
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return aerc.tabs.SelectPrevious()
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}
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// TODO: Use per-account status lines, but a global ex line
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func (aerc *Aerc) SetStatus(status string) *StatusMessage {
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return aerc.statusline.Set(status)
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}
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func (aerc *Aerc) PushStatus(text string, expiry time.Duration) *StatusMessage {
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return aerc.statusline.Push(text, expiry)
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}
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func (aerc *Aerc) PushError(text string) {
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aerc.PushStatus(text, 10*time.Second).Color(tcell.ColorDefault, tcell.ColorRed)
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}
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func (aerc *Aerc) focus(item libui.Interactive) {
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if aerc.focused == item {
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return
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}
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if aerc.focused != nil {
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aerc.focused.Focus(false)
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}
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aerc.focused = item
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interactive, ok := aerc.tabs.Tabs[aerc.tabs.Selected].Content.(ui.Interactive)
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if item != nil {
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item.Focus(true)
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if ok {
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interactive.Focus(false)
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}
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} else {
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if ok {
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interactive.Focus(true)
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}
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}
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}
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func (aerc *Aerc) BeginExCommand() {
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previous := aerc.focused
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exline := NewExLine(func(cmd string) {
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parts, err := shlex.Split(cmd)
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if err != nil {
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aerc.PushStatus(" "+err.Error(), 10*time.Second).
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Color(tcell.ColorDefault, tcell.ColorRed)
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}
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err = aerc.cmd(parts)
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if err != nil {
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aerc.PushStatus(" "+err.Error(), 10*time.Second).
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Color(tcell.ColorDefault, tcell.ColorRed)
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}
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// only add to history if this is an unsimulated command,
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// ie one not executed from a keybinding
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if aerc.simulating == 0 {
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aerc.cmdHistory.Add(cmd)
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}
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aerc.statusbar.Pop()
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aerc.focus(previous)
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}, func() {
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aerc.statusbar.Pop()
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aerc.focus(previous)
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}, func(cmd string) []string {
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return aerc.complete(cmd)
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}, aerc.cmdHistory)
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aerc.statusbar.Push(exline)
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aerc.focus(exline)
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}
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func (aerc *Aerc) Mailto(addr *url.URL) error {
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acct := aerc.SelectedAccount()
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if acct == nil {
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return errors.New("No account selected")
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}
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defaults := make(map[string]string)
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defaults["To"] = addr.Opaque
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headerMap := map[string]string{
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"cc": "Cc",
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"in-reply-to": "In-Reply-To",
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"subject": "Subject",
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}
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for key, vals := range addr.Query() {
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if header, ok := headerMap[strings.ToLower(key)]; ok {
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defaults[header] = strings.Join(vals, ",")
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}
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}
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composer := NewComposer(aerc.Config(),
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acct.AccountConfig(), acct.Worker(), defaults)
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composer.FocusSubject()
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title := "New email"
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if subj, ok := defaults["Subject"]; ok {
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title = subj
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composer.FocusTerminal()
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}
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tab := aerc.NewTab(composer, title)
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composer.OnHeaderChange("Subject", func(subject string) {
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if subject == "" {
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tab.Name = "New email"
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} else {
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tab.Name = subject
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}
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tab.Content.Invalidate()
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})
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return nil
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}
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