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// SPDX-License-Identifier: GPL-3.0-or-later
package ui
import (
"github.com/diamondburned/gotk4/pkg/gtk/v4"
"krino/gui/internal/model"
"krino/internal/xdg"
)
// settingsWindow is Settings: krino's defaults, which every directory
// inherits, and how this window behaves. The first are written to
// krino.conf with the care a rules file is written with - checked first,
// the previous text kept as krino.conf.bak - and the second to gui.json,
// which krino itself never reads (his request, 2026-09-16).
type settingsWindow struct {
w *Window
win *gtk.Window
main *model.MainConf
rows []*settingRow
check *gtk.Label
save *gtk.Button
toSave bool
}
// showSettings opens it, one at a time.
func (w *Window) showSettings() {
main, err := model.OpenMain(w.engine)
if err != nil {
w.setStatus("settings: %v", err)
return
}
s := &settingsWindow{w: w, main: main}
s.win = gtk.NewWindow()
s.win.SetTitle("krino settings")
s.win.SetTransientFor(&w.win.Window)
s.win.SetModal(true)
s.win.SetDefaultSize(560, 640)
box := gtk.NewBox(gtk.OrientationVertical, 8)
box.SetMarginStart(12)
box.SetMarginEnd(12)
box.SetMarginTop(12)
box.SetMarginBottom(12)
box.Append(heading("Defaults for every directory - " + xdg.Abbrev(main.File)))
note := gtk.NewLabel("An empty field is one krino.conf does not set, and krino's own default applies. A directory's file overrides these.")
note.SetXAlign(0)
note.SetWrap(true)
note.AddCSSClass("dim-label")
box.Append(note)
for _, head := range append(append([]string{}, model.MainSettings...), "log") {
args, _, err := main.Setting(head)
if err != nil {
w.setStatus("settings: %v", err)
return
}
row := newSettingRow(head, args, s.armSave)
s.rows = append(s.rows, row)
box.Append(row.root)
}
s.check = gtk.NewLabel("")
s.check.SetXAlign(0)
s.check.SetWrap(true)
box.Append(s.check)
box.Append(heading("This window"))
kept := gtk.NewLabel("These are kept as you change them; the button below writes krino.conf, and is only lit when something above has changed.")
kept.SetXAlign(0)
kept.SetWrap(true)
kept.AddCSSClass("dim-label")
box.Append(kept)
prefs := w.prefs
colours := gtk.NewCheckButtonWithLabel("colour the configuration in the Text tab")
colours.SetActive(prefs.Colours)
colours.SetTooltipText("paint comments, strings, form heads and actions in the Text sub-tab")
preview := gtk.NewCheckButtonWithLabel("show the file behind the selected row")
preview.SetActive(prefs.Preview)
preview.SetTooltipText("show the selected file under its explanation: a picture, a PDF's first page, or the first lines of text")
selectAll := gtk.NewDropDownFromStrings([]string{"every file checked", "nothing checked"})
if !prefs.SelectAll {
selectAll.SetSelected(1)
}
selectAll.SetTooltipText("what a freshly scanned plan starts as: every file that can be acted on checked, as the terminal review does, or nothing checked so you pick")
layout := gtk.NewDropDownFromStrings([]string{
"file list beside the explanation",
"file list on top, preview beside the explanation",
})
if prefs.Layout == model.LayoutStacked {
layout.SetSelected(1)
}
layout.SetTooltipText("how the Plan tab is arranged")
previewHeight := gtk.NewSpinButtonWithRange(80, 2000, 20)
previewHeight.SetValue(float64(prefs.PreviewHeight))
previewHeight.SetTooltipText("how tall the preview under an explanation is, in pixels; dragging the divider above it does the same")
box.Append(field("layout", layout))
box.Append(field("preview height", previewHeight))
box.Append(field("after a scan", selectAll))
box.Append(colours)
box.Append(preview)
apply := func() {
which := model.LayoutSide
if layout.Selected() == 1 {
which = model.LayoutStacked
}
p := model.Prefs{
Colours: colours.Active(),
Preview: preview.Active(),
SelectAll: selectAll.Selected() == 0,
PreviewHeight: int(previewHeight.Value()),
Layout: which,
}
w.applyPrefs(p)
if err := p.Save(); err != nil {
w.setStatus("settings: %v", err)
}
}
colours.ConnectToggled(apply)
preview.ConnectToggled(apply)
selectAll.Connect("notify::selected", func() { apply() })
layout.Connect("notify::selected", func() { apply() })
s.save = gtk.NewButtonWithLabel("Save krino.conf")
s.save.AddCSSClass("suggested-action")
s.save.SetSensitive(false)
s.save.SetTooltipText("nothing to save: the defaults above are as krino.conf has them. The window settings below need no saving - they are kept as you change them.")
s.save.ConnectClicked(s.onSave)
closeBtn := gtk.NewButtonWithLabel("Close")
closeBtn.ConnectClicked(func() { s.win.Close() })
// The buttons sit outside the scrolled area: on a short screen they
// would otherwise be below the fold, which is where he found them.
buttons := gtk.NewBox(gtk.OrientationHorizontal, 6)
buttons.SetHAlign(gtk.AlignEnd)
buttons.SetMarginStart(12)
buttons.SetMarginEnd(12)
buttons.SetMarginTop(8)
buttons.SetMarginBottom(12)
buttons.Append(closeBtn)
buttons.Append(s.save)
scroll := gtk.NewScrolledWindow()
scroll.SetChild(box)
scroll.SetVExpand(true)
outer := gtk.NewBox(gtk.OrientationVertical, 0)
outer.Append(scroll)
outer.Append(gtk.NewSeparator(gtk.OrientationHorizontal))
outer.Append(buttons)
s.win.SetChild(outer)
s.win.Show()
}
// armSave writes what the fields hold into the text and checks it, without
// touching the file: Save is what writes.
func (s *settingsWindow) armSave() {
for _, row := range s.rows {
value := row.value()
was, _, err := s.main.Setting(row.head)
if err != nil {
s.check.SetText(escape(err.Error()))
return
}
if value == was {
continue
}
if err := s.main.SetSetting(row.head, value); err != nil {
s.check.SetText(escape(err.Error()))
row.set(was)
continue
}
s.toSave = true
}
diags := s.main.Check()
switch {
case len(diags) == 0:
s.check.SetText("")
canSave := s.toSave && s.main.Modified()
s.save.SetSensitive(canSave)
if canSave {
s.save.SetTooltipText("write krino.conf, keeping the previous text as krino.conf.bak")
}
default:
s.check.SetText(escape(diags[0].Error()))
s.check.AddCSSClass("error")
s.save.SetSensitive(false)
}
}
// onSave writes krino.conf and makes the new defaults the ones every tab
// works from.
func (s *settingsWindow) onSave() {
if err := s.main.Save(); err != nil {
s.check.SetText(escape(err.Error()))
return
}
s.check.RemoveCSSClass("error")
s.check.SetText("saved; the previous text is beside it as krino.conf.bak")
s.save.SetSensitive(false)
if err := s.w.reloadEngine(); err != nil {
s.w.setStatus("saved, but the new configuration does not load: %v", err)
return
}
s.w.setStatus("saved %s", escape(xdg.Abbrev(s.main.File)))
}
// settingHintsMain is the example shown in an empty krino.conf field, for
// the settings the directory form does not already describe.
var settingHintsMain = map[string]string{
"log": `"~/.local/state/krino/krino.log"`,
}
// mainHint is the example for a krino.conf setting.
func mainHint(head string) string {
if h, ok := settingHintsMain[head]; ok {
return h
}
return settingHints[head]
}
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