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// Copyright 2019-2022 Graham Clark. All rights reserved. Use of this source
// code is governed by the MIT license that can be found in the LICENSE
// file.
// +build !windows
// Package ui contains user-interface functions and helpers for termshark.
package ui
import (
"fmt"
"io/ioutil"
"os"
"github.com/gcla/gowid"
"github.com/gcla/gowid/widgets/holder"
"github.com/gcla/gowid/widgets/terminal"
"github.com/gcla/termshark/v2"
"github.com/gcla/termshark/v2/configs/profiles"
"github.com/gcla/termshark/v2/widgets/fileviewer"
log "github.com/sirupsen/logrus"
)
//======================================================================
func pager() string {
res := profiles.ConfString("main.pager", "")
if res == "" {
res = os.Getenv("PAGER")
}
return res
}
// Dynamically load conv. If the convs window was last opened with a different filter, and the "limit to
// filter" checkbox is checked, then the data needs to be reloaded.
func openLogsUi(app gowid.IApp) {
openFileUi(termshark.CacheFile("termshark.log"), false, fileviewer.Options{
Name: "Logs",
GoToBottom: true,
Pager: pager(),
}, app)
}
func openConfigUi(app gowid.IApp) {
tmp, err := ioutil.TempFile("", "termshark-*.toml")
if err != nil {
OpenError(fmt.Sprintf("Could not create temp file: %v", err), app)
return
}
tmp.Close()
err = profiles.WriteConfigAs(tmp.Name())
if err != nil {
OpenError(fmt.Sprintf("Could not run config viewer\n\n%v", err), app)
} else {
openFileUi(tmp.Name(), true, fileviewer.Options{
Name: "Config",
Pager: pager(),
}, app)
}
}
func openFileUi(file string, delete bool, opt fileviewer.Options, app gowid.IApp) {
logsUi, err := fileviewer.New(file,
gowid.WidgetCallback{"cb",
func(app gowid.IApp, w gowid.IWidget) {
t := w.(*terminal.Widget)
ecode := t.Cmd.ProcessState.ExitCode()
// -1 for signals - don't show an error for that
if ecode != 0 && ecode != -1 {
d := OpenError(fmt.Sprintf("Could not run file viewer\n\n%s", t.Cmd.ProcessState), app)
d.OnOpenClose(gowid.MakeWidgetCallback("cb", func(app gowid.IApp, w gowid.IWidget) {
closeFileUi(app)
}))
} else {
closeFileUi(app)
}
if delete && false {
err := os.Remove(file)
if err != nil {
log.Warnf("Problem deleting %s: %v", file, err)
}
}
},
},
opt,
)
if err != nil {
OpenError(fmt.Sprintf("Error launching terminal: %v", err), app)
return
}
logsView := holder.New(logsUi)
appViewNoKeys.SetSubWidget(logsView, app)
}
func closeFileUi(app gowid.IApp) {
appViewNoKeys.SetSubWidget(mainView, app)
}
//======================================================================
// Local Variables:
// mode: Go
// fill-column: 110
// End:
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