Made the message view more stateful by remembering where in the view the

user was

2 files changed, 24 insertions, 10 deletions

diff --git a/internal/client/ui/core/chat/chat.go b/internal/client/ui/core/chat/chat.go
index 90e8d0d..0d8f22c 100644
--- a/internal/client/ui/core/chat/chat.go
+++ b/internal/client/ui/core/chat/chat.go
@@ -255,26 +255,34 @@ func (m *Model) SetFrequency(networkIndex, frequencyIndex int) tea.Cmd {
 }
 
 func (m *Model) ResetBeforeSwitch() {
-	m.index = -1
 	if m.frequencyIndex != -1 && m.networkIndex != -1 {
 		network := state.State.Networks[m.networkIndex]
 		frequencyId := network.Frequencies[m.frequencyIndex].ID
 		log.Println("Saving", frequencyId)
-		state.State.IncompleteMessages[frequencyId] = m.vi.String()
+		state.State.FrequencyState[frequencyId] = state.Frequency{
+			IncompleteMessage: m.vi.String(),
+			Offset:            m.offset,
+			MaxHeight:         m.maxMessagesHeight,
+		}
 		m.vi.Reset()
+		m.offset = SnapToBottom
+		m.maxMessagesHeight = -1
+		m.index = -1
 	} else if m.receiverIndex != -1 {
 		// TODO: receiver
 	}
 }
 
 func (m *Model) RestoreAfterSwitch() tea.Cmd {
-	msgs := state.State.IncompleteMessages
+	msgs := state.State.FrequencyState
 	if m.frequencyIndex != -1 && m.networkIndex != -1 {
 		network := state.State.Networks[m.networkIndex]
 		frequencyId := network.Frequencies[m.frequencyIndex].ID
 		log.Println("Restoring", frequencyId)
 		if val, ok := msgs[frequencyId]; ok {
-			m.vi.SetString(val)
+			m.vi.SetString(val.IncompleteMessage)
+			m.offset = val.Offset
+			m.maxMessagesHeight = val.MaxHeight
 		}
 		return gateway.Send(&packet.RequestMessages{
 			ReceiverID:  nil,
diff --git a/internal/client/ui/core/state/state.go b/internal/client/ui/core/state/state.go
index 762cf2f..3f9cb5a 100644
--- a/internal/client/ui/core/state/state.go
+++ b/internal/client/ui/core/state/state.go
@@ -7,18 +7,24 @@ import (
 	"github.com/kyren223/eko/pkg/snowflake"
 )
 
+type Frequency struct {
+	IncompleteMessage string
+	Offset            int
+	MaxHeight         int
+}
+
 type state struct {
 	// Key is either a frequency or receiver
-	IncompleteMessages map[snowflake.ID]string
-	LastFrequency      map[snowflake.ID]snowflake.ID // key is network
+	FrequencyState map[snowflake.ID]Frequency
+	LastFrequency  map[snowflake.ID]snowflake.ID // key is network
 
 	Messages map[snowflake.ID]*btree.BTreeG[data.Message]
 	Networks []packet.FullNetwork
 }
 
 var State state = state{
-	IncompleteMessages: map[snowflake.ID]string{},
-	LastFrequency:      map[snowflake.ID]snowflake.ID{},
-	Messages:           map[snowflake.ID]*btree.BTreeG[data.Message]{},
-	Networks:           []packet.FullNetwork{},
+	FrequencyState: map[snowflake.ID]Frequency{},
+	LastFrequency:  map[snowflake.ID]snowflake.ID{},
+	Messages:       map[snowflake.ID]*btree.BTreeG[data.Message]{},
+	Networks:       []packet.FullNetwork{},
 }