search/filter: display in extra status

Add an extra attribute to the status line. When non-empty, display it
after the current status.

Set that extra status after a successful :search or :filter. Remove it
after :clear.

Signed-off-by: Robin Jarry <robin@jarry.cc>

2 files changed, 23 insertions, 1 deletions

diff --git a/widgets/aerc.go b/widgets/aerc.go
index e644f827..10e9924c 100644
--- a/widgets/aerc.go
+++ b/widgets/aerc.go
@@ -392,6 +392,14 @@ func (aerc *Aerc) SetStatus(status string) *StatusMessage {
 	return aerc.statusline.Set(status)
 }
 
+func (aerc *Aerc) SetExtraStatus(status string) {
+	aerc.statusline.SetExtra(status)
+}
+
+func (aerc *Aerc) ClearExtraStatus() {
+	aerc.statusline.ClearExtra()
+}
+
 func (aerc *Aerc) SetError(status string) *StatusMessage {
 	return aerc.statusline.SetError(status)
 }
diff --git a/widgets/status.go b/widgets/status.go
index c70d215f..960f2445 100644
--- a/widgets/status.go
+++ b/widgets/status.go
@@ -14,6 +14,7 @@ type StatusLine struct {
 	ui.Invalidatable
 	stack    []*StatusMessage
 	fallback StatusMessage
+	extra    string
 	aerc     *Aerc
 	uiConfig config.UIConfig
 }
@@ -29,6 +30,7 @@ func NewStatusLine(uiConfig config.UIConfig) *StatusLine {
 			style:   uiConfig.GetStyle(config.STYLE_STATUSLINE_DEFAULT),
 			message: "Idle",
 		},
+		extra:    "",
 		uiConfig: uiConfig,
 	}
 }
@@ -49,7 +51,11 @@ func (status *StatusLine) Draw(ctx *ui.Context) {
 			pendingKeys += string(pendingKey.Rune)
 		}
 	}
-	message := runewidth.FillRight(line.message, ctx.Width()-len(pendingKeys)-5)
+	text := line.message
+	if status.extra != "" {
+		text += " " + status.extra
+	}
+	message := runewidth.FillRight(text, ctx.Width()-len(pendingKeys)-5)
 	ctx.Printf(0, 0, line.style, "%s%s", message, pendingKeys)
 }
 
@@ -103,6 +109,14 @@ func (status *StatusLine) PushSuccess(text string) *StatusMessage {
 	return msg
 }
 
+func (status *StatusLine) SetExtra(text string) {
+	status.extra = text
+}
+
+func (status *StatusLine) ClearExtra() {
+	status.extra = ""
+}
+
 func (status *StatusLine) Expire() {
 	status.stack = nil
 }