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Diffstat (limited to 'widgets')
-rw-r--r--widgets/msgviewer.go206
1 files changed, 141 insertions, 65 deletions
diff --git a/widgets/msgviewer.go b/widgets/msgviewer.go
index 60e1d23..ab79b5e 100644
--- a/widgets/msgviewer.go
+++ b/widgets/msgviewer.go
@@ -23,10 +23,17 @@ import (
)
type MessageViewer struct {
+ ui.Invalidatable
conf *config.AercConfig
err error
- msg *types.MessageInfo
grid *ui.Grid
+ msg *types.MessageInfo
+ switcher *PartSwitcher
+ store *lib.MessageStore
+}
+
+type PartSwitcher struct {
+ ui.Invalidatable
parts []*PartViewer
selected int
}
@@ -48,8 +55,8 @@ func formatAddresses(addrs []*imap.Address) string {
return val.String()
}
-func NewMessageViewer(conf *config.AercConfig, store *lib.MessageStore,
- msg *types.MessageInfo) *MessageViewer {
+func NewMessageViewer(conf *config.AercConfig,
+ store *lib.MessageStore, msg *types.MessageInfo) *MessageViewer {
grid := ui.NewGrid().Rows([]ui.GridSpec{
{ui.SIZE_EXACT, 3}, // TODO: Based on number of header rows
@@ -91,28 +98,51 @@ func NewMessageViewer(conf *config.AercConfig, store *lib.MessageStore,
{ui.SIZE_EXACT, 20},
})
- for i, part := range msg.BodyStructure.Parts {
- fmt.Println(i, part.MIMEType, part.MIMESubType)
- }
+ var (
+ err error
+ mv *MessageViewer
+ )
- // TODO: add multipart switcher and configure additional parts
- pv, err := NewPartViewer(conf, msg, 0)
- if err != nil {
- goto handle_error
+ switcher := &PartSwitcher{}
+ if len(msg.BodyStructure.Parts) == 0 {
+ pv, err := NewPartViewer(conf, store, msg, msg.BodyStructure, []int{1})
+ if err != nil {
+ goto handle_error
+ }
+ switcher.parts = []*PartViewer{pv}
+ pv.OnInvalidate(func(_ ui.Drawable) {
+ switcher.Invalidate()
+ })
+ } else {
+ switcher.parts, err = enumerateParts(conf, store,
+ msg, msg.BodyStructure, []int{})
+ if err != nil {
+ goto handle_error
+ }
+ for i, pv := range switcher.parts {
+ pv.OnInvalidate(func(_ ui.Drawable) {
+ switcher.Invalidate()
+ })
+ // TODO: switch to user's preferred mimetype, if configured
+ if switcher.selected == 0 && pv.part.MIMEType != "multipart" {
+ switcher.selected = i
+ }
+ }
}
- body.AddChild(pv).At(0, 0).Span(1, 2)
grid.AddChild(headers).At(0, 0)
grid.AddChild(body).At(1, 0)
- store.FetchBodyPart(msg.Uid, 0, pv.SetSource)
-
- return &MessageViewer{
- grid: grid,
- msg: msg,
- parts: []*PartViewer{pv},
+ mv = &MessageViewer{
+ grid: grid,
+ msg: msg,
+ store: store,
+ switcher: switcher,
}
+ body.AddChild(mv.switcher).At(0, 0).Span(1, 2)
+ return mv
+
handle_error:
return &MessageViewer{
err: err,
@@ -121,6 +151,34 @@ handle_error:
}
}
+func enumerateParts(conf *config.AercConfig, store *lib.MessageStore,
+ msg *types.MessageInfo, body *imap.BodyStructure,
+ index []int) ([]*PartViewer, error) {
+
+ var parts []*PartViewer
+ for i, part := range body.Parts {
+ curindex := append(index, i+1)
+ if part.MIMEType == "multipart" {
+ // Multipart meta-parts are faked
+ pv := &PartViewer{part: part}
+ parts = append(parts, pv)
+ subParts, err := enumerateParts(
+ conf, store, msg, part, curindex)
+ if err != nil {
+ return nil, err
+ }
+ parts = append(parts, subParts...)
+ continue
+ }
+ pv, err := NewPartViewer(conf, store, msg, part, curindex)
+ if err != nil {
+ return nil, err
+ }
+ parts = append(parts, pv)
+ }
+ return parts, nil
+}
+
func (mv *MessageViewer) Draw(ctx *ui.Context) {
if mv.err != nil {
ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
@@ -140,44 +198,69 @@ func (mv *MessageViewer) OnInvalidate(fn func(d ui.Drawable)) {
})
}
-func (mv *MessageViewer) Event(event tcell.Event) bool {
- // What is encapsulation even
- if mv.parts[mv.selected].term != nil {
- return mv.parts[mv.selected].term.Event(event)
+func (ps *PartSwitcher) Invalidate() {
+ ps.DoInvalidate(ps)
+}
+
+func (ps *PartSwitcher) Focus(focus bool) {
+ if ps.parts[ps.selected].term != nil {
+ ps.parts[ps.selected].term.Focus(focus)
+ }
+}
+
+func (ps *PartSwitcher) Event(event tcell.Event) bool {
+ if ps.parts[ps.selected].term != nil {
+ return ps.parts[ps.selected].term.Event(event)
}
return false
}
-func (mv *MessageViewer) Focus(focus bool) {
- if mv.parts[mv.selected].term != nil {
- mv.parts[mv.selected].term.Focus(focus)
+func (ps *PartSwitcher) Draw(ctx *ui.Context) {
+ height := len(ps.parts)
+ if height == 1 {
+ ps.parts[ps.selected].Draw(ctx)
+ return
}
+ // TODO: cap height and add scrolling for messages with many parts
+ y := ctx.Height() - height
+ for i, part := range ps.parts {
+ style := tcell.StyleDefault.Reverse(ps.selected == i)
+ ctx.Fill(0, y+i, ctx.Width(), 1, ' ', style)
+ ctx.Printf(len(part.index)*2, y+i, style, "%s/%s",
+ strings.ToLower(part.part.MIMEType),
+ strings.ToLower(part.part.MIMESubType))
+ }
+ ps.parts[ps.selected].Draw(ctx.Subcontext(
+ 0, 0, ctx.Width(), ctx.Height()-height))
+}
+
+func (mv *MessageViewer) Event(event tcell.Event) bool {
+ return mv.switcher.Event(event)
+}
+
+func (mv *MessageViewer) Focus(focus bool) {
+ mv.switcher.Focus(focus)
}
type PartViewer struct {
+ ui.Invalidatable
err error
+ fetched bool
filter *exec.Cmd
- index string
+ index []int
msg *types.MessageInfo
pager *exec.Cmd
pagerin io.WriteCloser
part *imap.BodyStructure
sink io.WriteCloser
source io.Reader
+ store *lib.MessageStore
term *Terminal
}
func NewPartViewer(conf *config.AercConfig,
- msg *types.MessageInfo, index int) (*PartViewer, error) {
- var (
- part *imap.BodyStructure
- )
- // TODO: Find IMAP index, which may differ
- if len(msg.BodyStructure.Parts) != 0 {
- part = msg.BodyStructure.Parts[index]
- } else {
- part = msg.BodyStructure
- }
+ store *lib.MessageStore, msg *types.MessageInfo,
+ part *imap.BodyStructure, index []int) (*PartViewer, error) {
var (
filter *exec.Cmd
@@ -228,26 +311,30 @@ func NewPartViewer(conf *config.AercConfig,
if pagerin, _ = pager.StdinPipe(); err != nil {
return nil, err
}
- } else {
- if pipe, err = pager.StdinPipe(); err != nil {
+ if term, err = NewTerminal(pager); err != nil {
return nil, err
}
}
- if term, err = NewTerminal(pager); err != nil {
- return nil, err
- }
pv := &PartViewer{
filter: filter,
+ index: index, // TODO: Nested multipart does indicies differently
+ msg: msg,
pager: pager,
pagerin: pagerin,
part: part,
sink: pipe,
+ store: store,
term: term,
}
- term.OnStart = func() {
- pv.attemptCopy()
+ if term != nil {
+ term.OnStart = func() {
+ pv.attemptCopy()
+ }
+ term.OnInvalidate(func(_ ui.Drawable) {
+ pv.Invalidate()
+ })
}
return pv, nil
@@ -297,17 +384,22 @@ func (pv *PartViewer) attemptCopy() {
}
}
-func (pv *PartViewer) OnInvalidate(fn func(ui.Drawable)) {
- pv.term.OnInvalidate(func(_ ui.Drawable) {
- fn(pv)
- })
-}
-
func (pv *PartViewer) Invalidate() {
- pv.term.Invalidate()
+ pv.DoInvalidate(pv)
}
func (pv *PartViewer) Draw(ctx *ui.Context) {
+ if pv.filter == nil {
+ // TODO: Let them download it directly or something
+ ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
+ ctx.Printf(0, 0, tcell.StyleDefault,
+ "No filter configured for this mimetype")
+ return
+ }
+ if !pv.fetched {
+ pv.store.FetchBodyPart(pv.msg.Uid, pv.index, pv.SetSource)
+ pv.fetched = true
+ }
if pv.err != nil {
ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
ctx.Printf(0, 0, tcell.StyleDefault, "%s", pv.err.Error())
@@ -347,19 +439,3 @@ func (hv *HeaderView) Draw(ctx *ui.Context) {
func (hv *HeaderView) Invalidate() {
hv.DoInvalidate(hv)
}
-
-type MultipartView struct {
- ui.Invalidatable
-}
-
-func (mpv *MultipartView) Draw(ctx *ui.Context) {
- ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
- ctx.Fill(0, 0, ctx.Width(), 1, ' ', tcell.StyleDefault.Reverse(true))
- ctx.Printf(0, 0, tcell.StyleDefault.Reverse(true), "text/plain")
- ctx.Printf(0, 1, tcell.StyleDefault, "text/html")
- ctx.Printf(0, 2, tcell.StyleDefault, "application/pgp-si…")
-}
-
-func (mpv *MultipartView) Invalidate() {
- mpv.DoInvalidate(mpv)
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 07:51:54 +0000