-package hotline
-
-import (
- "context"
- "fmt"
- "github.com/gdamore/tcell/v2"
- "github.com/rivo/tview"
- "gopkg.in/yaml.v3"
- "os"
- "strconv"
- "strings"
-)
-
-type UI struct {
- chatBox *tview.TextView
- chatInput *tview.InputField
- App *tview.Application
- Pages *tview.Pages
- userList *tview.TextView
- trackerList *tview.List
- HLClient *Client
-}
-
-// pages
-const (
- pageServerUI = "serverUI"
-)
-
-func NewUI(c *Client) *UI {
- app := tview.NewApplication()
- chatBox := tview.NewTextView().
- SetScrollable(true).
- SetDynamicColors(true).
- SetWordWrap(true).
- SetChangedFunc(func() {
- app.Draw() // TODO: docs say this is bad but it's the only way to show content during initial render??
- })
- chatBox.Box.SetBorder(true).SetTitle("| Chat |")
-
- chatInput := tview.NewInputField()
- chatInput.
- SetLabel("> ").
- SetFieldBackgroundColor(tcell.ColorDimGray).
- SetDoneFunc(func(key tcell.Key) {
- // skip send if user hit enter with no other text
- if len(chatInput.GetText()) == 0 {
- return
- }
-
- _ = c.Send(
- *NewTransaction(TranChatSend, nil,
- NewField(FieldData, []byte(chatInput.GetText())),
- ),
- )
- chatInput.SetText("") // clear the input field after chat send
- })
-
- chatInput.Box.SetBorder(true).SetTitle("Send")
-
- userList := tview.
- NewTextView().
- SetDynamicColors(true).
- SetChangedFunc(func() {
- app.Draw() // TODO: docs say this is bad but it's the only way to show content during initial render??
- })
- userList.Box.SetBorder(true).SetTitle("Users")
-
- return &UI{
- App: app,
- chatBox: chatBox,
- Pages: tview.NewPages(),
- chatInput: chatInput,
- userList: userList,
- trackerList: tview.NewList(),
- HLClient: c,
- }
-}
-
-func (ui *UI) showBookmarks() *tview.List {
- list := tview.NewList()
- list.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
- if event.Key() == tcell.KeyEsc {
- ui.Pages.SwitchToPage("home")
- }
- return event
- })
- list.Box.SetBorder(true).SetTitle("| Bookmarks |")
-
- shortcut := 97 // rune for "a"
- for i, srv := range ui.HLClient.Pref.Bookmarks {
- addr := srv.Addr
- login := srv.Login
- pass := srv.Password
- list.AddItem(srv.Name, srv.Addr, rune(shortcut+i), func() {
- ui.Pages.RemovePage("joinServer")
-
- newJS := ui.renderJoinServerForm("", addr, login, pass, "bookmarks", true, true)
-
- ui.Pages.AddPage("joinServer", newJS, true, true)
- })
- }
-
- return list
-}
-
-func (ui *UI) getTrackerList(servers []ServerRecord) *tview.List {
- list := tview.NewList()
- list.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
- if event.Key() == tcell.KeyEsc {
- ui.Pages.SwitchToPage("home")
- }
- return event
- })
- list.Box.SetBorder(true).SetTitle("| Servers |")
-
- const shortcut = 97 // rune for "a"
- for i, _ := range servers {
- srv := servers[i]
- list.AddItem(string(srv.Name), string(srv.Description), rune(shortcut+i), func() {
- ui.Pages.RemovePage("joinServer")
-
- newJS := ui.renderJoinServerForm(string(srv.Name), srv.Addr(), GuestAccount, "", trackerListPage, false, true)
-
- ui.Pages.AddPage("joinServer", newJS, true, true)
- ui.Pages.ShowPage("joinServer")
- })
- }
-
- return list
-}
-
-func (ui *UI) renderSettingsForm() *tview.Flex {
- iconStr := strconv.Itoa(ui.HLClient.Pref.IconID)
- settingsForm := tview.NewForm()
- settingsForm.AddInputField("Your Name", ui.HLClient.Pref.Username, 0, nil, nil)
- settingsForm.AddInputField("IconID", iconStr, 0, func(idStr string, _ rune) bool {
- _, err := strconv.Atoi(idStr)
- return err == nil
- }, nil)
- settingsForm.AddInputField("Tracker", ui.HLClient.Pref.Tracker, 0, nil, nil)
- settingsForm.AddCheckbox("Enable Terminal Bell", ui.HLClient.Pref.EnableBell, nil)
- settingsForm.AddButton("Save", func() {
- usernameInput := settingsForm.GetFormItem(0).(*tview.InputField).GetText()
- if len(usernameInput) == 0 {
- usernameInput = "unnamed"
- }
- ui.HLClient.Pref.Username = usernameInput
- iconStr = settingsForm.GetFormItem(1).(*tview.InputField).GetText()
- ui.HLClient.Pref.IconID, _ = strconv.Atoi(iconStr)
- ui.HLClient.Pref.Tracker = settingsForm.GetFormItem(2).(*tview.InputField).GetText()
- ui.HLClient.Pref.EnableBell = settingsForm.GetFormItem(3).(*tview.Checkbox).IsChecked()
-
- out, err := yaml.Marshal(&ui.HLClient.Pref)
- if err != nil {
- // TODO: handle err
- }
- // TODO: handle err
- err = os.WriteFile(ui.HLClient.cfgPath, out, 0666)
- if err != nil {
- println(ui.HLClient.cfgPath)
- panic(err)
- }
- ui.Pages.RemovePage("settings")
- })
- settingsForm.SetBorder(true)
- settingsForm.SetCancelFunc(func() {
- ui.Pages.RemovePage("settings")
- })
- settingsPage := tview.NewFlex().SetDirection(tview.FlexRow)
- settingsPage.Box.SetBorder(true).SetTitle("Settings")
- settingsPage.AddItem(settingsForm, 0, 1, true)
-
- centerFlex := tview.NewFlex().
- AddItem(nil, 0, 1, false).
- AddItem(tview.NewFlex().
- SetDirection(tview.FlexRow).
- AddItem(nil, 0, 1, false).
- AddItem(settingsForm, 15, 1, true).
- AddItem(nil, 0, 1, false), 40, 1, true).
- AddItem(nil, 0, 1, false)
-
- return centerFlex
-}
-
-func (ui *UI) joinServer(addr, login, password string) error {
- // append default port to address if no port supplied
- if len(strings.Split(addr, ":")) == 1 {
- addr += ":5500"
- }
- if err := ui.HLClient.Connect(addr, login, password); err != nil {
- return fmt.Errorf("Error joining server: %v\n", err)
- }
-
- go func() {
- if err := ui.HLClient.HandleTransactions(context.TODO()); err != nil {
- ui.Pages.SwitchToPage("home")
- }
-
- loginErrModal := tview.NewModal().
- AddButtons([]string{"Ok"}).
- SetText("The server connection has closed.").
- SetDoneFunc(func(buttonIndex int, buttonLabel string) {
- ui.Pages.SwitchToPage("home")
- })
- loginErrModal.Box.SetTitle("Server Connection Error")
-
- ui.Pages.AddPage("loginErr", loginErrModal, false, true)
- ui.App.Draw()
- }()
-
- return nil
-}
-
-func (ui *UI) renderJoinServerForm(name, server, login, password, backPage string, save, defaultConnect bool) *tview.Flex {
- joinServerForm := tview.NewForm()
- joinServerForm.
- AddInputField("Server", server, 0, nil, nil).
- AddInputField("Login", login, 0, nil, nil).
- AddPasswordField("Password", password, 0, '*', nil).
- AddCheckbox("Save", save, func(checked bool) {
- ui.HLClient.Pref.AddBookmark(
- joinServerForm.GetFormItem(0).(*tview.InputField).GetText(),
- joinServerForm.GetFormItem(0).(*tview.InputField).GetText(),
- joinServerForm.GetFormItem(1).(*tview.InputField).GetText(),
- joinServerForm.GetFormItem(2).(*tview.InputField).GetText(),
- )
-
- out, err := yaml.Marshal(ui.HLClient.Pref)
- if err != nil {
- panic(err)
- }
-
- err = os.WriteFile(ui.HLClient.cfgPath, out, 0666)
- if err != nil {
- panic(err)
- }
- }).
- AddButton("Cancel", func() {
- ui.Pages.SwitchToPage(backPage)
- }).
- AddButton("Connect", func() {
- srvAddr := joinServerForm.GetFormItem(0).(*tview.InputField).GetText()
- loginInput := joinServerForm.GetFormItem(1).(*tview.InputField).GetText()
- err := ui.joinServer(
- srvAddr,
- loginInput,
- joinServerForm.GetFormItem(2).(*tview.InputField).GetText(),
- )
- if name == "" {
- name = fmt.Sprintf("%s@%s", loginInput, srvAddr)
- }
- ui.HLClient.serverName = name
-
- if err != nil {
- ui.HLClient.Logger.Error("login error", "err", err)
- loginErrModal := tview.NewModal().
- AddButtons([]string{"Oh no"}).
- SetText(err.Error()).
- SetDoneFunc(func(buttonIndex int, buttonLabel string) {
- ui.Pages.SwitchToPage(backPage)
- })
-
- ui.Pages.AddPage("loginErr", loginErrModal, false, true)
- }
-
- // Save checkbox
- if joinServerForm.GetFormItem(3).(*tview.Checkbox).IsChecked() {
- // TODO: implement bookmark saving
- }
- })
-
- joinServerForm.Box.SetBorder(true).SetTitle("| Connect |")
- joinServerForm.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
- if event.Key() == tcell.KeyEscape {
- ui.Pages.SwitchToPage(backPage)
- }
- return event
- })
-
- if defaultConnect {
- joinServerForm.SetFocus(5)
- }
-
- joinServerPage := tview.NewFlex().
- AddItem(nil, 0, 1, false).
- AddItem(tview.NewFlex().
- SetDirection(tview.FlexRow).
- AddItem(nil, 0, 1, false).
- AddItem(joinServerForm, 14, 1, true).
- AddItem(nil, 0, 1, false), 40, 1, true).
- AddItem(nil, 0, 1, false)
-
- return joinServerPage
-}
-
-func (ui *UI) renderServerUI() *tview.Flex {
- ui.chatBox.SetText("") // clear any previously existing chatbox text
- commandList := tview.NewTextView().SetDynamicColors(true)
- commandList.
- SetText("[yellow]^n[-::]: Read News [yellow]^p[-::]: Post News\n[yellow]^l[-::]: View Logs [yellow]^f[-::]: View Files\n").
- SetBorder(true).
- SetTitle("| Keyboard Shortcuts| ")
-
- modal := tview.NewModal().
- SetText("Disconnect from the server?").
- AddButtons([]string{"Cancel", "Exit"}).
- SetFocus(1)
- modal.SetDoneFunc(func(buttonIndex int, buttonLabel string) {
- if buttonIndex == 1 {
- _ = ui.HLClient.Disconnect()
- ui.Pages.RemovePage(pageServerUI)
- ui.Pages.SwitchToPage("home")
- } else {
- ui.Pages.HidePage("modal")
- }
- })
-
- serverUI := tview.NewFlex().
- AddItem(tview.NewFlex().
- SetDirection(tview.FlexRow).
- AddItem(commandList, 4, 0, false).
- AddItem(ui.chatBox, 0, 8, false).
- AddItem(ui.chatInput, 3, 0, true), 0, 1, true).
- AddItem(ui.userList, 25, 1, false)
- serverUI.SetBorder(true).SetTitle("| Mobius - Connected to " + ui.HLClient.serverName + " |").SetTitleAlign(tview.AlignLeft)
- serverUI.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
- if event.Key() == tcell.KeyEscape {
- ui.Pages.AddPage("modal", modal, false, true)
- }
-
- // List files
- if event.Key() == tcell.KeyCtrlF {
- if err := ui.HLClient.Send(*NewTransaction(TranGetFileNameList, nil)); err != nil {
- ui.HLClient.Logger.Error("err", "err", err)
- }
- }
-
- // Show News
- if event.Key() == tcell.KeyCtrlN {
- if err := ui.HLClient.Send(*NewTransaction(TranGetMsgs, nil)); err != nil {
- ui.HLClient.Logger.Error("err", "err", err)
- }
- }
-
- // Post news
- if event.Key() == tcell.KeyCtrlP {
- newsFlex := tview.NewFlex()
- newsFlex.SetBorderPadding(0, 0, 1, 1)
- newsPostTextArea := tview.NewTextView()
- newsPostTextArea.SetBackgroundColor(tcell.ColorDarkSlateGrey)
- newsPostTextArea.SetChangedFunc(func() {
- ui.App.Draw() // TODO: docs say this is bad but it's the only way to show content during initial render??
- })
-
- newsPostForm := tview.NewForm().
- SetButtonsAlign(tview.AlignRight).
- // AddButton("Cancel", nil). // TODO: implement cancel button behavior
- AddButton("Send", nil)
- newsPostForm.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
- switch event.Key() {
- case tcell.KeyEscape:
- ui.Pages.RemovePage("newsInput")
- case tcell.KeyTab:
- ui.App.SetFocus(newsPostTextArea)
- case tcell.KeyEnter:
- newsText := strings.ReplaceAll(newsPostTextArea.GetText(true), "\n", "\r")
- if len(newsText) == 0 {
- return event
- }
- err := ui.HLClient.Send(
- *NewTransaction(TranOldPostNews, nil,
- NewField(FieldData, []byte(newsText)),
- ),
- )
- if err != nil {
- ui.HLClient.Logger.Error("Error posting news", "err", err)
- // TODO: display errModal to user
- }
- ui.Pages.RemovePage("newsInput")
- }
-
- return event
- })
-
- newsFlex.
- SetDirection(tview.FlexRow).
- SetBorder(true).
- SetTitle("| Post Message |")
-
- newsPostTextArea.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
- switch event.Key() {
- case tcell.KeyEscape:
- ui.Pages.RemovePage("newsInput")
- case tcell.KeyTab:
- ui.App.SetFocus(newsPostForm)
- case tcell.KeyEnter:
- _, _ = fmt.Fprintf(newsPostTextArea, "\n")
- default:
- const windowsBackspaceRune = 8
- const macBackspaceRune = 127
- switch event.Rune() {
- case macBackspaceRune, windowsBackspaceRune:
- curTxt := newsPostTextArea.GetText(true)
- if len(curTxt) > 0 {
- curTxt = curTxt[:len(curTxt)-1]
- newsPostTextArea.SetText(curTxt)
- }
- default:
- _, _ = fmt.Fprint(newsPostTextArea, string(event.Rune()))
- }
- }
-
- return event
- })
-
- newsFlex.AddItem(newsPostTextArea, 10, 0, true)
- newsFlex.AddItem(newsPostForm, 3, 0, false)
-
- newsPostPage := tview.NewFlex().
- AddItem(nil, 0, 1, false).
- AddItem(tview.NewFlex().
- SetDirection(tview.FlexRow).
- AddItem(nil, 0, 1, false).
- AddItem(newsFlex, 15, 1, true).
- // AddItem(newsPostForm, 3, 0, false).
- AddItem(nil, 0, 1, false), 40, 1, false).
- AddItem(nil, 0, 1, false)
-
- ui.Pages.AddPage("newsInput", newsPostPage, true, true)
- ui.App.SetFocus(newsPostTextArea)
- }
-
- return event
- })
- return serverUI
-}
-
-func (ui *UI) Start() {
- home := tview.NewFlex().SetDirection(tview.FlexRow)
- home.Box.SetBorder(true).SetTitle("| Mobius v" + VERSION + " |").SetTitleAlign(tview.AlignLeft)
- mainMenu := tview.NewList()
-
- bannerItem := tview.NewTextView().
- SetText(randomBanner()).
- SetDynamicColors(true).
- SetTextAlign(tview.AlignCenter)
-
- home.AddItem(
- tview.NewFlex().AddItem(bannerItem, 0, 1, false),
- 14, 1, false)
- home.AddItem(tview.NewFlex().
- AddItem(nil, 0, 1, false).
- AddItem(mainMenu, 0, 1, true).
- AddItem(nil, 0, 1, false),
- 0, 1, true,
- )
-
- mainMenu.AddItem("Join Server", "", 'j', func() {
- joinServerPage := ui.renderJoinServerForm("", "", GuestAccount, "", "home", false, false)
- ui.Pages.AddPage("joinServer", joinServerPage, true, true)
- }).
- AddItem("Bookmarks", "", 'b', func() {
- ui.Pages.AddAndSwitchToPage("bookmarks", ui.showBookmarks(), true)
- }).
- AddItem("Browse Tracker", "", 't', func() {
- listing, err := GetListing(ui.HLClient.Pref.Tracker)
- if err != nil {
- errMsg := fmt.Sprintf("Error fetching tracker results:\n%v", err)
- errModal := tview.NewModal()
- errModal.SetText(errMsg)
- errModal.AddButtons([]string{"Cancel"})
- errModal.SetDoneFunc(func(buttonIndex int, buttonLabel string) {
- ui.Pages.RemovePage("errModal")
- })
- ui.Pages.RemovePage("joinServer")
- ui.Pages.AddPage("errModal", errModal, false, true)
- return
- }
- ui.trackerList = ui.getTrackerList(listing)
- ui.Pages.AddAndSwitchToPage("trackerList", ui.trackerList, true)
- }).
- AddItem("Settings", "", 's', func() {
- ui.Pages.AddPage("settings", ui.renderSettingsForm(), true, true)
- }).
- AddItem("Quit", "", 'q', func() {
- ui.App.Stop()
- })
-
- ui.Pages.AddPage("home", home, true, true)
-
- // App level input capture
- ui.App.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
- if event.Key() == tcell.KeyCtrlC {
- ui.HLClient.Logger.Info("Exiting")
- ui.App.Stop()
- os.Exit(0)
- }
- // Show Logs
- if event.Key() == tcell.KeyCtrlL {
- ui.HLClient.DebugBuf.TextView.ScrollToEnd()
- ui.HLClient.DebugBuf.TextView.SetBorder(true).SetTitle("Logs")
- ui.HLClient.DebugBuf.TextView.SetDoneFunc(func(key tcell.Key) {
- if key == tcell.KeyEscape {
- ui.Pages.RemovePage("logs")
- }
- })
-
- ui.Pages.AddPage("logs", ui.HLClient.DebugBuf.TextView, true, true)
- }
- return event
- })
-
- if err := ui.App.SetRoot(ui.Pages, true).SetFocus(ui.Pages).Run(); err != nil {
- ui.App.Stop()
- os.Exit(1)
- }
-}
git.r.bdr.sh / rbdr / mobius / commitdiff