ui

var (
	YesNo      *dialog.Widget
	MiniBuffer *minibuffer.Widget
	PleaseWait *dialog.Widget
)

var (
	RegularPalette  gowid.Palette
	DarkModePalette gowid.Palette
)

var AutoScroll bool // true if the packet list should auto-scroll when listening on an interface.

var CacheRequests []pcap.LoadPcapSlice

var CacheRequestsChan chan struct{} // false means started, true means finished

var CapinfoData string

var CapinfoLoader *capinfo.Loader

var CapinfoTime time.Time

var ColumnsFormatError = fmt.Errorf("The supplied list of columns and names is invalid")

var CopyModePredicate ifwidget.Predicate

var CopyModeWidget gowid.IWidget

var CurrentColsWidget *psmlColumnsModel

var CurrentWormholeWidget *wormhole.Widget

var DarkMode bool // global state in app

var DoOnce sync.Once

var EmptyHexViewTimer *time.Timer

var EmptyStructViewTimer *time.Timer

var FieldCompleter *fields.TSharkFields // share this - safe once constructed

var FilterWidget *filter.Widget

var Fin *rossshark.Widget

var Goroutinewg *sync.WaitGroup

var Loader *pcap.PacketLoader

var Loadingw gowid.IWidget // "loading..."

var MissingMsgw gowid.IWidget // centered, holding singlePacketViewMsgHolder

var NoGlobalJump termshark.GlobalJumpPos // leave as default, like a placeholder

var PacketColors bool // global state in app

var PacketColorsSupported bool // global state in app - true if it's even possible

var QuitRequested bool // true if a quit has been issued, but not yet processed. Stops some handlers displaying errors.

var QuitRequestedChan chan struct{}

var Running bool // true if gowid/tcell is controlling the terminal

var SearchWidget *search.Widget

var StartUIChan chan struct{}

var StartUIOnce sync.Once

var StreamLoader *streams.Loader // DOC - one because it holds stream index state for pcap

var TemplateData map[string]interface{}

var Templates = template.Must(template.New("Help").Funcs(funcMap).Parse(`
{{define "NameVer"}}termshark {{.Version}}{{end}}
{{define "TsharkVer"}}using tshark {{.TsharkVersion}} (from {{.TsharkAbsolutePath}}){{end}}

{{define "OneLine"}}A wireshark-inspired terminal user interface for tshark. Analyze network traffic interactively from your terminal.{{end}}

{{define "Header"}}{{template "NameVer" .}}

{{template "OneLine"}}
See https://termshark.io for more information.{{end}}

{{define "Footer"}}
If --pass-thru is true (or auto, and stdout is not a tty), tshark will be
executed with the supplied command-line flags. You can provide
tshark-specific flags and they will be passed through to tshark (-n, -d, -T,
etc). For example:

$ termshark -r file.pcap -T psml -n | less{{end}}

{{define "UIUserGuide"}}{{.UserGuideURL}}

{{.CopyCommandMessage}}{{end}}

{{define "UIFAQ"}}{{.FAQURL}}

{{.CopyCommandMessage}}{{end}}

{{define "UIBug"}}{{.BugURL}}

{{.CopyCommandMessage}}{{end}}

{{define "UIFeature"}}{{.FeatureURL}}

{{.CopyCommandMessage}}{{end}}

{{define "UIHelp"}}{{template "NameVer" .}}

A wireshark-inspired tui for tshark. Analyze network traffic interactively from your terminal.

/__ - Go to display filter/stream search
q__ - Quit
tab - Switch panes
c__ - Switch to copy-mode
|__ - Cycle through pane layouts
\__ - Toggle pane zoom
esc - Activate menu
+/- - Adjust horizontal split
</> - Adjust vertical split
:__ - Activate cmdline mode (see help cmdline)
z__ - Maximize/restore any modal dialog
?__ - Display help

In the filter, type a wireshark display filter expression.

Most terminals will support using the mouse! Try clicking the Close button.

Use shift-left-mouse to copy and shift-right-mouse to paste.{{end}}

{{define "VimHelp"}}{{template "NameVer" .}}

Navigate the UI using vim-style keys.

hjkl___ - Move left/down/up/right in various views
gg_____ - Go to the top of the current table
G______ - Go to the bottom of the current table
5gg____ - Go to the 5th row of the table
C-w C-w - Switch panes (same as tab)
C-w_=__ - Equalize pane spacing
ma_____ - Mark current packet (use a through z)
'a_____ - Jump to packet marked 'a'
mA_____ - Mark current packet + pcap (use A through Z)
'A_____ - Jump to packet + pcap marked 'A'
''_____ - After a jump; jump back to prior packet
ZZ_____ - Quit without confirmation

See also help cmdline.{{end}}

{{define "CmdLineHelp"}}{{template "NameVer" .}}

Activate cmdline mode with the : key.

Hit tab to see and choose possible completions.

capinfo______ - Capture file properties
clear-filter_ - Clear the display filter and apply
clear-packets - Clear the current pcap
columns______ - Choose the columns to display
config_______ - Show termshark's config file (Unix-only)
convs________ - Open conversations view
filter_______ - Choose a display filter from recently-used
help_________ - Various help dialogs
load_________ - Load a pcap from the filesystem
logs_________ - Show termshark's log file (Unix-only)
map__________ - Map a keypress to a key sequence (see help map)
marks________ - Show file-local and global packet marks
menu_________ - Open the UI Misc menu
no-theme_____ - Clear theme for the current terminal color mode
profile______ - Profile actions - create, use, delete, etc
quit_________ - Quit termshark
recents______ - Load a pcap from those recently-used
set__________ - Set various config properties (see help set)
streams______ - Open stream reassembly view
theme________ - Choose a theme for the current terminal color mode
unmap________ - Remove a keypress mapping
wormhole_____ - Prepare to transfer the current pcap{{end}}

{{define "SetHelp"}}{{template "NameVer" .}}

Use the cmdline set command to change configuration.

Type :set and hit tab for options.

auto-scroll___________ - scroll during live captures
copy-timeout__________ - wait this long before failing a copy
dark-mode_____________ - enable or disable dark-mode
disable-shark-fin_____ - switch off the secret shark fin
packet-colors_________ - use colors in the packet list view
pager_________________ - pager (used for termshark's log file)
nopager_______________ - disable the pager (use PAGER instead)
suppress-tshark-errors - don't show tshark errors in the UI
term__________________ - make termshark assume this terminal type
noterm________________ - disable the terminal type (use TERM){{end}}

{{define "MapHelp"}}{{template "NameVer" .}}

Use the cmdline map command to set key macros e.g.

map <f1> ZZ       - hit f1 key to quit

Use vim-style syntax for key-presses. Printable characters
represent themselves. Compound keys can be:

<space>
<esc>
<enter>
<f1>-<f12>
<C-s>, <A-/>
<up>, <down>, <left>, <right>
<pgup>, <pgdn>
<home>, <end>

Use the unmap command to remove a mapping.{{end}}

{{define "CopyModeHelp"}}{{template "NameVer" .}}

termshark is in copy-mode. You can press:

'q', 'c' - Exit copy-mode
ctrl-c__ - Copy from selected widget
left____ - Widen selection
right___ - Narrow selection
'?'_____ - Display copy-mode help
{{end}}

{{define "Marks"}}{{if not .Marks}}No local marks are set{{else}}Mark Packet Summary{{range $key, $value := .Marks }}
{{printf " %c" $key}}{{printf "%6d" $value.Pos}}    {{printf "%s" $value.Summary}}{{end}}{{end}}

{{if not .GlobalMarks}}No cross-file marks are set{{else}}Mark Packet  File              Summary{{range $key, $value := .GlobalMarks }}
{{printf " %-4c" $key}} {{printf "%-7d" $value.Pos}}{{printf "%-18s" $value.Base}}{{printf "%s" $value.Summary}}{{end}}{{end}}{{end}}

{{define "Key Mappings"}}{{if .Maps.None}}No key mappings are set{{else}}  From          To   {{range $mapping := .Maps.Get }}
{{printf "  %-14v" $mapping.From}}{{printf "%v" $mapping.To}}   {{end}}{{end}}

{{end}}
`))

var WriteToDeleted bool // true if the user deleted the temporary pcap before quitting

var WriteToSelected bool // true if the user provided the -w flag