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package config
import (
"fmt"
"math"
"path"
"regexp"
"strconv"
"text/template"
"time"
"git.sr.ht/~rjarry/aerc/lib/log"
"git.sr.ht/~rockorager/vaxis"
"github.com/emersion/go-message/mail"
"github.com/go-ini/ini"
)
type UIConfig struct {
IndexColumns []*ColumnDef `ini:"index-columns" parse:"ParseIndexColumns" default:"flags:4,name<20%,subject,date>="`
ColumnSeparator string `ini:"column-separator" default:" "`
DirListLeft *template.Template `ini:"dirlist-left" default:"{{.Folder}}"`
DirListRight *template.Template `ini:"dirlist-right" default:"{{if .Unread}}{{humanReadable .Unread}}{{end}}"`
AutoMarkRead bool `ini:"auto-mark-read" default:"true"`
TimestampFormat string `ini:"timestamp-format" default:"2006 Jan 02"`
ThisDayTimeFormat string `ini:"this-day-time-format" default:"15:04"`
ThisWeekTimeFormat string `ini:"this-week-time-format" default:"Jan 02"`
ThisYearTimeFormat string `ini:"this-year-time-format" default:"Jan 02"`
MessageViewTimestampFormat string `ini:"message-view-timestamp-format" default:"2006 Jan 02, 15:04 GMT-0700"`
MessageViewThisDayTimeFormat string `ini:"message-view-this-day-time-format"`
MessageViewThisWeekTimeFormat string `ini:"message-view-this-week-time-format"`
MessageViewThisYearTimeFormat string `ini:"message-view-this-year-time-format"`
PinnedTabMarker string "ini:\"pinned-tab-marker\" default:\"`\""
SidebarWidth int `ini:"sidebar-width" default:"22"`
MessageListSplit SplitParams `ini:"message-list-split" parse:"ParseSplit"`
EmptyMessage string `ini:"empty-message" default:"(no messages)"`
EmptyDirlist string `ini:"empty-dirlist" default:"(no folders)"`
EmptySubject string `ini:"empty-subject" default:"(no subject)"`
MouseEnabled bool `ini:"mouse-enabled"`
ThreadingEnabled bool `ini:"threading-enabled"`
ForceClientThreads bool `ini:"force-client-threads"`
ClientThreadsDelay time.Duration `ini:"client-threads-delay" default:"50ms"`
ThreadContext bool `ini:"show-thread-context"`
FuzzyComplete bool `ini:"fuzzy-complete"`
NewMessageBell bool `ini:"new-message-bell" default:"true"`
Spinner string `ini:"spinner" default:"[..] , [..] , [..] , [..] , [..], [..] , [..] , [..] "`
SpinnerDelimiter string `ini:"spinner-delimiter" default:","`
SpinnerInterval time.Duration `ini:"spinner-interval" default:"200ms"`
IconUnencrypted string `ini:"icon-unencrypted"`
IconEncrypted string `ini:"icon-encrypted" default:"[e]"`
IconSigned string `ini:"icon-signed" default:"[s]"`
IconSignedEncrypted string `ini:"icon-signed-encrypted"`
IconUnknown string `ini:"icon-unknown" default:"[s?]"`
IconInvalid string `ini:"icon-invalid" default:"[s!]"`
IconAttachment string `ini:"icon-attachment" default:"a"`
IconReplied string `ini:"icon-replied" default:"r"`
IconNew string `ini:"icon-new" default:"N"`
IconOld string `ini:"icon-old" default:"O"`
IconDraft string `ini:"icon-draft" default:"d"`
IconFlagged string `ini:"icon-flagged" default:"!"`
IconMarked string `ini:"icon-marked" default:"*"`
IconDeleted string `ini:"icon-deleted" default:"X"`
DirListDelay time.Duration `ini:"dirlist-delay" default:"200ms"`
DirListTree bool `ini:"dirlist-tree"`
DirListCollapse int `ini:"dirlist-collapse"`
Sort []string `ini:"sort" delim:" "`
NextMessageOnDelete bool `ini:"next-message-on-delete" default:"true"`
CompletionDelay time.Duration `ini:"completion-delay" default:"250ms"`
CompletionMinChars int `ini:"completion-min-chars" default:"1" parse:"ParseCompletionMinChars"`
CompletionPopovers bool `ini:"completion-popovers" default:"true"`
MsglistScrollOffset int `ini:"msglist-scroll-offset" default:"0"`
DialogPosition string `ini:"dialog-position" default:"center" parse:"ParseDialogPosition"`
DialogWidth int `ini:"dialog-width" default:"50" parse:"ParseDialogDimensions"`
DialogHeight int `ini:"dialog-height" default:"50" parse:"ParseDialogDimensions"`
StyleSetDirs []string `ini:"stylesets-dirs" delim:":"`
StyleSetName string `ini:"styleset-name" default:"default"`
style StyleSet
// customize border appearance
BorderCharVertical rune `ini:"border-char-vertical" default:"│" type:"rune"`
BorderCharHorizontal rune `ini:"border-char-horizontal" default:"─" type:"rune"`
SelectLast bool `ini:"select-last-message" default:"false"`
ReverseOrder bool `ini:"reverse-msglist-order"`
ReverseThreadOrder bool `ini:"reverse-thread-order"`
SortThreadSiblings bool `ini:"sort-thread-siblings"`
ThreadPrefixTip string `ini:"thread-prefix-tip" default:">"`
ThreadPrefixIndent string `ini:"thread-prefix-indent" default:" "`
ThreadPrefixStem string `ini:"thread-prefix-stem" default:"│"`
ThreadPrefixLimb string `ini:"thread-prefix-limb" default:""`
ThreadPrefixFolded string `ini:"thread-prefix-folded" default:"+"`
ThreadPrefixUnfolded string `ini:"thread-prefix-unfolded" default:""`
ThreadPrefixFirstChild string `ini:"thread-prefix-first-child" default:""`
ThreadPrefixHasSiblings string `ini:"thread-prefix-has-siblings" default:"├─"`
ThreadPrefixLone string `ini:"thread-prefix-lone" default:""`
ThreadPrefixOrphan string `ini:"thread-prefix-orphan" default:""`
ThreadPrefixLastSibling string `ini:"thread-prefix-last-sibling" default:"└─"`
ThreadPrefixDummy string `ini:"thread-prefix-dummy" default:"┬─"`
ThreadPrefixLastSiblingReverse string `ini:"thread-prefix-last-sibling-reverse" default:"┌─"`
ThreadPrefixFirstChildReverse string `ini:"thread-prefix-first-child-reverse" default:""`
ThreadPrefixOrphanReverse string `ini:"thread-prefix-orphan-reverse" default:""`
ThreadPrefixDummyReverse string `ini:"thread-prefix-dummy-reverse" default:"┴─"`
// Tab Templates
TabTitleAccount *template.Template `ini:"tab-title-account" default:"{{.Account}}"`
TabTitleComposer *template.Template `ini:"tab-title-composer" default:"{{if .To}}to:{{index (.To | shortmboxes) 0}} {{end}}{{.SubjectBase}}"`
TabTitleViewer *template.Template `ini:"tab-title-viewer" default:"{{.Subject}}"`
// private
contextualUis []*UiConfigContext
contextualCounts map[uiContextType]int
contextualCache map[uiContextKey]*UIConfig
}
type uiContextType int
const (
uiContextFolder uiContextType = iota
uiContextAccount
)
type UiConfigContext struct {
ContextType uiContextType
Regex *regexp.Regexp
UiConfig *UIConfig
Section ini.Section
}
type uiContextKey struct {
ctxType uiContextType
value string
}
var Ui = &UIConfig{
contextualCounts: make(map[uiContextType]int),
contextualCache: make(map[uiContextKey]*UIConfig),
}
var uiContextualSectionRe = regexp.MustCompile(`^ui:(account|folder|subject)([~=])(.+)$`)
func parseUi(file *ini.File) error {
if err := Ui.parse(file.Section("ui")); err != nil {
return err
}
for _, section := range file.Sections() {
var err error
groups := uiContextualSectionRe.FindStringSubmatch(section.Name())
if groups == nil {
continue
}
ctx, separator, value := groups[1], groups[2], groups[3]
uiSubConfig := UIConfig{}
if err = uiSubConfig.parse(section); err != nil {
return err
}
contextualUi := UiConfigContext{
UiConfig: &uiSubConfig,
Section: *section,
}
switch ctx {
case "account":
contextualUi.ContextType = uiContextAccount
case "folder":
contextualUi.ContextType = uiContextFolder
}
if separator == "=" {
value = "^" + regexp.QuoteMeta(value) + "$"
}
contextualUi.Regex, err = regexp.Compile(value)
if err != nil {
return err
}
Ui.contextualUis = append(Ui.contextualUis, &contextualUi)
Ui.contextualCounts[contextualUi.ContextType]++
}
// append default paths to styleset-dirs
for _, dir := range SearchDirs {
Ui.StyleSetDirs = append(
Ui.StyleSetDirs, path.Join(dir, "stylesets"),
)
}
if err := Ui.loadStyleSet(Ui.StyleSetDirs); err != nil {
return err
}
for _, contextualUi := range Ui.contextualUis {
if contextualUi.UiConfig.StyleSetName == "" &&
len(contextualUi.UiConfig.StyleSetDirs) == 0 {
continue // no need to do anything if nothing is overridden
}
// fill in the missing part from the base
if contextualUi.UiConfig.StyleSetName == "" {
contextualUi.UiConfig.StyleSetName = Ui.StyleSetName
} else if len(contextualUi.UiConfig.StyleSetDirs) == 0 {
contextualUi.UiConfig.StyleSetDirs = Ui.StyleSetDirs
}
// since at least one of them has changed, load the styleset
if err := contextualUi.UiConfig.loadStyleSet(
contextualUi.UiConfig.StyleSetDirs); err != nil {
return err
}
}
log.Debugf("aerc.conf: [ui] %#v", Ui)
return nil
}
func (config *UIConfig) parse(section *ini.Section) error {
if err := MapToStruct(section, config, section.Name() == "ui"); err != nil {
return err
}
if config.MessageViewTimestampFormat == "" {
config.MessageViewTimestampFormat = config.TimestampFormat
}
return nil
}
func (*UIConfig) ParseIndexColumns(section *ini.Section, key *ini.Key) ([]*ColumnDef, error) {
if !section.HasKey("column-date") {
_, _ = section.NewKey("column-date", `{{.DateAutoFormat .Date.Local}}`)
}
if !section.HasKey("column-name") {
_, _ = section.NewKey("column-name", `{{index (.From | names) 0}}`)
}
if !section.HasKey("column-flags") {
_, _ = section.NewKey("column-flags", `{{.Flags | join ""}}`)
}
if !section.HasKey("column-subject") {
_, _ = section.NewKey("column-subject", `{{.ThreadPrefix}}{{.Subject}}`)
}
return ParseColumnDefs(key, section)
}
type SplitDirection int
const (
SPLIT_NONE SplitDirection = iota
SPLIT_HORIZONTAL
SPLIT_VERTICAL
)
type SplitParams struct {
Direction SplitDirection
Size int
}
func (*UIConfig) ParseSplit(section *ini.Section, key *ini.Key) (p SplitParams, err error) {
re := regexp.MustCompile(`^\s*(v(?:ert(?:ical)?)?|h(?:oriz(?:ontal)?)?)?\s+(\d+)\s*$`)
match := re.FindStringSubmatch(key.String())
if len(match) != 3 {
err = fmt.Errorf("bad option value")
return
}
p.Direction = SPLIT_HORIZONTAL
switch match[1] {
case "v", "vert", "vertical":
p.Direction = SPLIT_VERTICAL
case "h", "horiz", "horizontal":
p.Direction = SPLIT_HORIZONTAL
}
size, e := strconv.ParseUint(match[2], 10, 32)
if e != nil {
err = e
return
}
p.Size = int(size)
return
}
func (*UIConfig) ParseDialogPosition(section *ini.Section, key *ini.Key) (string, error) {
match, _ := regexp.MatchString(`^\s*(top|center|bottom)\s*$`, key.String())
if !(match) {
return "", fmt.Errorf("bad option value")
}
return key.String(), nil
}
const (
DIALOG_MIN_PROPORTION = 10
DIALOG_MAX_PROPORTION = 100
)
func (*UIConfig) ParseDialogDimensions(section *ini.Section, key *ini.Key) (int, error) {
value, err := key.Int()
if value < DIALOG_MIN_PROPORTION || value > DIALOG_MAX_PROPORTION || err != nil {
return 0, fmt.Errorf("value out of range")
}
return value, nil
}
const MANUAL_COMPLETE = math.MaxInt
func (*UIConfig) ParseCompletionMinChars(section *ini.Section, key *ini.Key) (int, error) {
if key.String() == "manual" {
return MANUAL_COMPLETE, nil
}
return key.Int()
}
func (ui *UIConfig) loadStyleSet(styleSetDirs []string) error {
ui.style = NewStyleSet()
err := ui.style.LoadStyleSet(ui.StyleSetName, styleSetDirs)
if err != nil {
if ui.style.path == "" {
ui.style.path = ui.StyleSetName
}
return fmt.Errorf("%s: %w", ui.style.path, err)
}
return nil
}
func (base *UIConfig) mergeContextual(
contextType uiContextType, s string,
) *UIConfig {
for _, contextualUi := range base.contextualUis {
if contextualUi.ContextType != contextType {
continue
}
if !contextualUi.Regex.Match([]byte(s)) {
continue
}
ui := *base
err := ui.parse(&contextualUi.Section)
if err != nil {
log.Warnf("merge ui failed: %v", err)
}
ui.contextualCache = make(map[uiContextKey]*UIConfig)
ui.contextualCounts = base.contextualCounts
ui.contextualUis = base.contextualUis
if contextualUi.UiConfig.StyleSetName != "" {
ui.style = contextualUi.UiConfig.style
}
return &ui
}
return base
}
func (uiConfig *UIConfig) GetUserStyle(name string) vaxis.Style {
return uiConfig.style.UserStyle(name)
}
func (uiConfig *UIConfig) GetStyle(so StyleObject) vaxis.Style {
return uiConfig.style.Get(so, nil)
}
func (uiConfig *UIConfig) GetStyleSelected(so StyleObject) vaxis.Style {
return uiConfig.style.Selected(so, nil)
}
func (uiConfig *UIConfig) GetComposedStyle(base StyleObject,
styles []StyleObject,
) vaxis.Style {
return uiConfig.style.Compose(base, styles, nil)
}
func (uiConfig *UIConfig) GetComposedStyleSelected(
base StyleObject, styles []StyleObject,
) vaxis.Style {
return uiConfig.style.ComposeSelected(base, styles, nil)
}
func (uiConfig *UIConfig) MsgComposedStyle(
base StyleObject, styles []StyleObject, h *mail.Header,
) vaxis.Style {
return uiConfig.style.Compose(base, styles, h)
}
func (uiConfig *UIConfig) MsgComposedStyleSelected(
base StyleObject, styles []StyleObject, h *mail.Header,
) vaxis.Style {
return uiConfig.style.ComposeSelected(base, styles, h)
}
func (uiConfig *UIConfig) StyleSetPath() string {
return uiConfig.style.path
}
func (base *UIConfig) contextual(ctxType uiContextType, value string) *UIConfig {
if base.contextualCounts[ctxType] == 0 {
// shortcut if no contextual ui for that type
return base
}
key := uiContextKey{ctxType: ctxType, value: value}
c, found := base.contextualCache[key]
if !found {
c = base.mergeContextual(ctxType, value)
base.contextualCache[key] = c
}
return c
}
func (base *UIConfig) ForAccount(account string) *UIConfig {
return base.contextual(uiContextAccount, account)
}
func (base *UIConfig) ForFolder(folder string) *UIConfig {
return base.contextual(uiContextFolder, folder)
}
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