commands: add :toggle-thread-context command

Add a command to toggle the display of an thread-context. Update
CHANGELOG.

Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Tested-by: Inwit <inwit@sindominio.net>
Acked-by: Robin Jarry <robin@jarry.cc>

4 files changed, 49 insertions, 0 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e9b3f2a..0897c6a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   temporary file from which selected files will be read instead of the standard
   output.
 - Save drafts in custom folders with `:postpone -t <folder>`.
+- View "thread-context" in notmuch backends with `:toggle-thread-context`.
 
 ### Fixed
 
diff --git a/commands/msg/toggle-thread-context.go b/commands/msg/toggle-thread-context.go
new file mode 100644
index 00000000..09c60b85
--- /dev/null
+++ b/commands/msg/toggle-thread-context.go
@@ -0,0 +1,36 @@
+package msg
+
+import (
+	"errors"
+
+	"git.sr.ht/~rjarry/aerc/lib/ui"
+	"git.sr.ht/~rjarry/aerc/widgets"
+)
+
+type ToggleThreadContext struct{}
+
+func init() {
+	register(ToggleThreadContext{})
+}
+
+func (ToggleThreadContext) Aliases() []string {
+	return []string{"toggle-thread-context"}
+}
+
+func (ToggleThreadContext) Complete(aerc *widgets.Aerc, args []string) []string {
+	return nil
+}
+
+func (ToggleThreadContext) Execute(aerc *widgets.Aerc, args []string) error {
+	if len(args) != 1 {
+		return errors.New("Usage: toggle-entire-thread")
+	}
+	h := newHelper(aerc)
+	store, err := h.store()
+	if err != nil {
+		return err
+	}
+	store.ToggleThreadContext()
+	ui.Invalidate()
+	return nil
+}
diff --git a/doc/aerc.1.scd b/doc/aerc.1.scd
index 8515370a..b2123a54 100644
--- a/doc/aerc.1.scd
+++ b/doc/aerc.1.scd
@@ -503,6 +503,10 @@ message list, the message in the message viewer, etc).
 	in *[ui].index-columns*. See *aerc-config*(5) and *aerc-templates*(7)
 	for more details.
 
+*:toggle-thread-context*
+	Toggles between showing entire thread (when supported) and only showing
+	messages which match the current query / mailbox.
+
 *:view* [*-p*]++
 *:view-message* [*-p*]
 	Opens the message viewer to display the selected message. If the peek
diff --git a/lib/msgstore.go b/lib/msgstore.go
index 6186b195..ab48f331 100644
--- a/lib/msgstore.go
+++ b/lib/msgstore.go
@@ -442,6 +442,14 @@ func (store *MessageStore) ThreadedView() bool {
 	return store.threadedView
 }
 
+func (store *MessageStore) ToggleThreadContext() {
+	if !store.threadedView {
+		return
+	}
+	store.threadContext = !store.threadContext
+	store.Sort(store.sortCriteria, nil)
+}
+
 func (store *MessageStore) BuildThreads() bool {
 	return store.buildThreads
 }