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authorDaniel Bridges <bridges2@gmail.com>2019-07-22 16:29:07 -0700
committerDrew DeVault <sir@cmpwn.com>2019-07-26 14:22:04 -0400
commit67fb0938a66605a0b6a837005804637b348b250d (patch)
treeb9bb363185b248ae8eed29e7b8388d8a71433d3e /widgets
parent1b673b5ea7d06ef914e9d48ff7299f8b5f2119fd (diff)
Support configurable header layout in compose widget
Diffstat (limited to 'widgets')
-rw-r--r--widgets/aerc.go4
-rw-r--r--widgets/compose.go251
-rw-r--r--widgets/headerlayout.go41
-rw-r--r--widgets/msgviewer.go47
4 files changed, 191 insertions, 152 deletions
diff --git a/widgets/aerc.go b/widgets/aerc.go
index 3cf1f64..050ba77 100644
--- a/widgets/aerc.go
+++ b/widgets/aerc.go
@@ -353,7 +353,7 @@ func (aerc *Aerc) Mailto(addr *url.URL) error {
}
}
composer := NewComposer(aerc.Config(),
- acct.AccountConfig(), acct.Worker()).Defaults(defaults)
+ acct.AccountConfig(), acct.Worker(), defaults)
composer.FocusSubject()
title := "New email"
if subj, ok := defaults["Subject"]; ok {
@@ -361,7 +361,7 @@ func (aerc *Aerc) Mailto(addr *url.URL) error {
composer.FocusTerminal()
}
tab := aerc.NewTab(composer, title)
- composer.OnSubjectChange(func(subject string) {
+ composer.OnHeaderChange("Subject", func(subject string) {
if subject == "" {
tab.Name = "New email"
} else {
diff --git a/widgets/compose.go b/widgets/compose.go
index 8277811..b45892f 100644
--- a/widgets/compose.go
+++ b/widgets/compose.go
@@ -24,11 +24,7 @@ import (
)
type Composer struct {
- headers struct {
- from *headerEditor
- subject *headerEditor
- to *headerEditor
- }
+ editors map[string]*headerEditor
acct *config.AccountConfig
config *config.AercConfig
@@ -45,77 +41,93 @@ type Composer struct {
focused int
}
-// TODO: Let caller configure headers, initial body (for replies), etc
func NewComposer(conf *config.AercConfig,
- acct *config.AccountConfig, worker *types.Worker) *Composer {
+ acct *config.AccountConfig, worker *types.Worker, defaults map[string]string) *Composer {
+
+ if defaults == nil {
+ defaults = make(map[string]string)
+ }
+ if from := defaults["From"]; from == "" {
+ defaults["From"] = acct.From
+ }
+
+ layout, editors, focusable := buildComposeHeader(conf.Compose.HeaderLayout, defaults)
+
+ header, headerHeight := layout.grid(
+ func(header string) ui.Drawable { return editors[header] },
+ )
grid := ui.NewGrid().Rows([]ui.GridSpec{
- {ui.SIZE_EXACT, 3},
- {ui.SIZE_WEIGHT, 1},
- }).Columns([]ui.GridSpec{
+ {ui.SIZE_EXACT, headerHeight},
{ui.SIZE_WEIGHT, 1},
- })
-
- // TODO: let user specify extra headers to edit by default
- headers := ui.NewGrid().Rows([]ui.GridSpec{
- {ui.SIZE_EXACT, 1}, // To/From
- {ui.SIZE_EXACT, 1}, // Subject
- {ui.SIZE_EXACT, 1}, // [spacer]
}).Columns([]ui.GridSpec{
{ui.SIZE_WEIGHT, 1},
- {ui.SIZE_WEIGHT, 1},
})
- to := newHeaderEditor("To", "")
- from := newHeaderEditor("From", acct.From)
- subject := newHeaderEditor("Subject", "")
- headers.AddChild(to).At(0, 0)
- headers.AddChild(from).At(0, 1)
- headers.AddChild(subject).At(1, 0).Span(1, 2)
- headers.AddChild(ui.NewFill(' ')).At(2, 0).Span(1, 2)
-
email, err := ioutil.TempFile("", "aerc-compose-*.eml")
if err != nil {
// TODO: handle this better
return nil
}
- grid.AddChild(headers).At(0, 0)
+ grid.AddChild(header).At(0, 0)
c := &Composer{
- acct: acct,
- config: conf,
- email: email,
- grid: grid,
- worker: worker,
+ editors: editors,
+ acct: acct,
+ config: conf,
+ defaults: defaults,
+ email: email,
+ grid: grid,
+ worker: worker,
// You have to backtab to get to "From", since you usually don't edit it
focused: 1,
- focusable: []ui.DrawableInteractive{from, to, subject},
+ focusable: focusable,
}
- c.headers.to = to
- c.headers.from = from
- c.headers.subject = subject
+
c.ShowTerminal()
return c
}
-// Sets additional headers to be added to the outgoing email (e.g. In-Reply-To)
-func (c *Composer) Defaults(defaults map[string]string) *Composer {
- c.defaults = defaults
- if to, ok := defaults["To"]; ok {
- c.headers.to.input.Set(to)
- delete(defaults, "To")
+func buildComposeHeader(layout HeaderLayout, defaults map[string]string) (newLayout HeaderLayout, editors map[string]*headerEditor, focusable []ui.DrawableInteractive) {
+ editors = make(map[string]*headerEditor)
+ focusable = make([]ui.DrawableInteractive, 0)
+
+ for _, row := range layout {
+ for _, h := range row {
+ e := newHeaderEditor(h, "")
+ editors[h] = e
+ switch h {
+ case "From":
+ // Prepend From to support backtab
+ focusable = append([]ui.DrawableInteractive{e}, focusable...)
+ default:
+ focusable = append(focusable, e)
+ }
+ }
}
- if from, ok := defaults["From"]; ok {
- c.headers.from.input.Set(from)
- delete(defaults, "From")
+
+ // Add Cc/Bcc editors to layout if in defaults and not already visible
+ for _, h := range []string{"Cc", "Bcc"} {
+ if val, ok := defaults[h]; ok && val != "" {
+ if _, ok := editors[h]; !ok {
+ e := newHeaderEditor(h, "")
+ editors[h] = e
+ focusable = append(focusable, e)
+ layout = append(layout, []string{h})
+ }
+ }
}
- if subject, ok := defaults["Subject"]; ok {
- c.headers.subject.input.Set(subject)
- delete(defaults, "Subject")
+
+ // Set default values for all editors
+ for key := range editors {
+ if val, ok := defaults[key]; ok {
+ editors[key].input.Set(val)
+ delete(defaults, key)
+ }
}
- return c
+ return layout, editors, focusable
}
// Note: this does not reload the editor. You must call this before the first
@@ -133,7 +145,7 @@ func (c *Composer) FocusTerminal() *Composer {
return c
}
c.focusable[c.focused].Focus(false)
- c.focused = 3
+ c.focused = len(c.editors)
c.focusable[c.focused].Focus(true)
return c
}
@@ -145,10 +157,13 @@ func (c *Composer) FocusSubject() *Composer {
return c
}
-func (c *Composer) OnSubjectChange(fn func(subject string)) {
- c.headers.subject.OnChange(func() {
- fn(c.headers.subject.input.String())
- })
+// OnHeaderChange registers an OnChange callback for the specified header.
+func (c *Composer) OnHeaderChange(header string, fn func(subject string)) {
+ if editor, ok := c.editors[header]; ok {
+ editor.OnChange(func() {
+ fn(editor.input.String())
+ })
+ }
}
func (c *Composer) Draw(ctx *ui.Context) {
@@ -209,7 +224,9 @@ func (c *Composer) Worker() *types.Worker {
func (c *Composer) PrepareHeader() (*mail.Header, []string, error) {
// Extract headers from the email, if present
- c.email.Seek(0, os.SEEK_SET)
+ if err := c.reloadEmail(); err != nil {
+ return nil, nil, err
+ }
var (
rcpts []string
header mail.Header
@@ -224,23 +241,62 @@ func (c *Composer) PrepareHeader() (*mail.Header, []string, error) {
// Update headers
mhdr := (*message.Header)(&header.Header)
mhdr.SetText("Message-Id", mail.GenerateMessageID())
- if subject, _ := header.Subject(); subject == "" {
- header.SetSubject(c.headers.subject.input.String())
+
+ headerKeys := make([]string, 0, len(c.editors))
+ for key := range c.editors {
+ headerKeys = append(headerKeys, key)
}
- if date, err := header.Date(); err != nil || date == (time.Time{}) {
- header.SetDate(time.Now())
+ // Ensure headers which require special processing are included.
+ for _, key := range []string{"To", "From", "Cc", "Bcc", "Subject", "Date"} {
+ if _, ok := c.editors[key]; !ok {
+ headerKeys = append(headerKeys, key)
+ }
}
- from := c.headers.from.input.String()
- from_addrs, err := gomail.ParseAddressList(from)
- if err != nil {
- return nil, nil, errors.Wrapf(err, "ParseAddressList(%s)", from)
- } else {
- var simon_from []*mail.Address
- for _, addr := range from_addrs {
- simon_from = append(simon_from, (*mail.Address)(addr))
+
+ for _, h := range headerKeys {
+ val := ""
+ editor, ok := c.editors[h]
+ if ok {
+ val = editor.input.String()
+ } else {
+ val, _ = mhdr.Text(h)
+ }
+ switch h {
+ case "Subject":
+ if subject, _ := header.Subject(); subject == "" {
+ header.SetSubject(val)
+ }
+ case "Date":
+ if date, err := header.Date(); err != nil || date == (time.Time{}) {
+ header.SetDate(time.Now())
+ }
+ case "From", "To", "Cc", "Bcc": // Address headers
+ if val != "" {
+ hdrRcpts, err := gomail.ParseAddressList(val)
+ if err != nil {
+ return nil, nil, errors.Wrapf(err, "ParseAddressList(%s)", val)
+ }
+ edRcpts := make([]*mail.Address, len(hdrRcpts))
+ for i, addr := range hdrRcpts {
+ edRcpts[i] = (*mail.Address)(addr)
+ }
+ header.SetAddressList(h, edRcpts)
+ if h != "From" {
+ for _, addr := range edRcpts {
+ rcpts = append(rcpts, addr.Address)
+ }
+ }
+ }
+ default:
+ // Handle user configured header editors.
+ if ok && !mhdr.Header.Has(h) {
+ if val := editor.input.String(); val != "" {
+ mhdr.SetText(h, val)
+ }
+ }
}
- header.SetAddressList("From", simon_from)
}
+
// Merge in additional headers
txthdr := mhdr.Header
for key, value := range c.defaults {
@@ -248,56 +304,14 @@ func (c *Composer) PrepareHeader() (*mail.Header, []string, error) {
mhdr.SetText(key, value)
}
}
- if to := c.headers.to.input.String(); to != "" {
- // Dammit Simon, this branch is 3x as long as it ought to be because
- // your types aren't compatible enough with each other
- to_rcpts, err := gomail.ParseAddressList(to)
- if err != nil {
- return nil, nil, errors.Wrapf(err, "ParseAddressList(%s)", to)
- }
- ed_rcpts, err := header.AddressList("To")
- if err != nil {
- return nil, nil, errors.Wrap(err, "AddressList(To)")
- }
- for _, addr := range to_rcpts {
- ed_rcpts = append(ed_rcpts, (*mail.Address)(addr))
- }
- header.SetAddressList("To", ed_rcpts)
- for _, addr := range ed_rcpts {
- rcpts = append(rcpts, addr.Address)
- }
- }
- if cc, _ := mhdr.Text("Cc"); cc != "" {
- cc_rcpts, err := gomail.ParseAddressList(cc)
- if err != nil {
- return nil, nil, errors.Wrapf(err, "ParseAddressList(%s)", cc)
- }
- // TODO: Update when the user inputs Cc's through the UI
- for _, addr := range cc_rcpts {
- rcpts = append(rcpts, addr.Address)
- }
- }
- if bcc, _ := mhdr.Text("Bcc"); bcc != "" {
- bcc_rcpts, err := gomail.ParseAddressList(bcc)
- if err != nil {
- return nil, nil, errors.Wrapf(err, "ParseAddressList(%s)", bcc)
- }
- // TODO: Update when the user inputs Bcc's through the UI
- for _, addr := range bcc_rcpts {
- rcpts = append(rcpts, addr.Address)
- }
- }
+
return &header, rcpts, nil
}
func (c *Composer) WriteMessage(header *mail.Header, writer io.Writer) error {
- name := c.email.Name()
- c.email.Close()
- file, err := os.Open(name)
- if err != nil {
- return errors.Wrap(err, "FileOpen")
+ if err := c.reloadEmail(); err != nil {
+ return err
}
- c.email = file
var body io.Reader
reader, err := mail.CreateReader(c.email)
if err == nil {
@@ -472,6 +486,17 @@ func (c *Composer) NextField() {
c.focusable[c.focused].Focus(true)
}
+func (c *Composer) reloadEmail() error {
+ name := c.email.Name()
+ c.email.Close()
+ file, err := os.Open(name)
+ if err != nil {
+ return errors.Wrap(err, "ReloadEmail")
+ }
+ c.email = file
+ return nil
+}
+
type headerEditor struct {
name string
input *ui.TextInput
diff --git a/widgets/headerlayout.go b/widgets/headerlayout.go
new file mode 100644
index 0000000..c6e6161
--- /dev/null
+++ b/widgets/headerlayout.go
@@ -0,0 +1,41 @@
+package widgets
+
+import (
+ "git.sr.ht/~sircmpwn/aerc/lib/ui"
+ "git.sr.ht/~sircmpwn/aerc/models"
+)
+
+type HeaderLayout [][]string
+
+// forMessage returns a filtered header layout, removing rows whose headers
+// do not appear in the provided message.
+func (layout HeaderLayout) forMessage(msg *models.MessageInfo) HeaderLayout {
+ headers := msg.RFC822Headers
+ result := make(HeaderLayout, 0, len(layout))
+ for _, row := range layout {
+ // To preserve layout alignment, only hide rows if all columns are empty
+ for _, col := range row {
+ if headers.Get(col) != "" {
+ result = append(result, row)
+ break
+ }
+ }
+ }
+ return result
+}
+
+// grid builds a ui grid, populating each cell by calling a callback function
+// with the current header string.
+func (layout HeaderLayout) grid(cb func(string) ui.Drawable) (grid *ui.Grid, height int) {
+ rowCount := len(layout) + 1 // extra row for spacer
+ grid = ui.MakeGrid(rowCount, 1, ui.SIZE_EXACT, ui.SIZE_WEIGHT)
+ for i, cols := range layout {
+ r := ui.MakeGrid(1, len(cols), ui.SIZE_EXACT, ui.SIZE_WEIGHT)
+ for j, col := range cols {
+ r.AddChild(cb(col)).At(0, j)
+ }
+ grid.AddChild(r).At(i, 0)
+ }
+ grid.AddChild(ui.NewFill(' ')).At(rowCount-1, 0)
+ return grid, rowCount
+}
diff --git a/widgets/msgviewer.go b/widgets/msgviewer.go
index 7d92861..5b97f6f 100644
--- a/widgets/msgviewer.go
+++ b/widgets/msgviewer.go
@@ -46,7 +46,16 @@ type PartSwitcher struct {
func NewMessageViewer(acct *AccountView, conf *config.AercConfig,
store *lib.MessageStore, msg *models.MessageInfo) *MessageViewer {
- header, headerHeight := createHeader(msg, conf.Viewer.HeaderLayout)
+
+ layout := HeaderLayout(conf.Viewer.HeaderLayout).forMessage(msg)
+ header, headerHeight := layout.grid(
+ func(header string) ui.Drawable {
+ return &HeaderView{
+ Name: header,
+ Value: fmtHeader(msg, header),
+ }
+ },
+ )
grid := ui.NewGrid().Rows([]ui.GridSpec{
{ui.SIZE_EXACT, headerHeight},
@@ -78,42 +87,6 @@ func NewMessageViewer(acct *AccountView, conf *config.AercConfig,
}
}
-func createHeader(msg *models.MessageInfo, layout [][]string) (grid *ui.Grid, height int) {
- presentHeaders := presentHeaders(msg, layout)
- rowCount := len(presentHeaders) + 1 // extra row for spacer
- grid = ui.MakeGrid(rowCount, 1, ui.SIZE_EXACT, ui.SIZE_WEIGHT)
- for i, cols := range presentHeaders {
- r := ui.MakeGrid(1, len(cols), ui.SIZE_EXACT, ui.SIZE_WEIGHT)
- for j, col := range cols {
- r.AddChild(
- &HeaderView{
- Name: col,
- Value: fmtHeader(msg, col),
- }).At(0, j)
- }
- grid.AddChild(r).At(i, 0)
- }
- grid.AddChild(ui.NewFill(' ')).At(rowCount-1, 0)
- return grid, rowCount
-}
-
-// presentHeaders returns a filtered header layout, removing rows whose headers
-// do not appear in the provided message.
-func presentHeaders(msg *models.MessageInfo, layout [][]string) [][]string {
- headers := msg.RFC822Headers
- result := make([][]string, 0, len(layout))
- for _, row := range layout {
- // To preserve layout alignment, only hide rows if all columns are empty
- for _, col := range row {
- if headers.Get(col) != "" {
- result = append(result, row)
- break
- }
- }
- }
- return result
-}
-
func fmtHeader(msg *models.MessageInfo, header string) string {
switch header {
case "From":