A minimal email TUI where you read with Markdown and write in Neovim.
neomd.ssp.sh/docs
email
markdown
neovim
tui
adding clickable tabs
+59
-8
+24
-1
internal/ui/model.go
+24
-1
internal/ui/model.go
···
832
832
func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
833
833
switch msg := msg.(type) {
834
834
835
+
case tea.MouseMsg:
836
+
if m.state == stateInbox && msg.Action == tea.MouseActionPress && msg.Button == tea.MouseButtonLeft && msg.Y == 0 {
837
+
// Click on tab bar — compute zones and match.
838
+
_, zones := folderTabs(m.folders, "", m.folderCounts)
839
+
offX := 0
840
+
if len(m.accounts) > 1 {
841
+
offX = len(" "+m.activeAccount().Name+" ·") + 2
842
+
}
843
+
clickX := msg.X - offX
844
+
for _, z := range zones {
845
+
if clickX >= z.xStart && clickX < z.xEnd {
846
+
if z.folderIndex == m.activeFolderI && m.offTabFolder == "" {
847
+
return m, nil // already on this tab
848
+
}
849
+
m.activeFolderI = z.folderIndex
850
+
m.offTabFolder = ""
851
+
m.loading = true
852
+
return m, tea.Batch(m.spinner.Tick, m.fetchFolderCmd(m.activeFolder()))
853
+
}
854
+
}
855
+
}
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+
// Fall through — let other components handle mouse events (scroll, etc.)
857
+
835
858
case tea.WindowSizeMsg:
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m.width = msg.Width
837
860
m.height = msg.Height
···
2747
2770
if m.offTabFolder != "" {
2748
2771
activeTab = "" // deselect all tabs; off-tab folder shown separately
2749
2772
}
2750
-
header := folderTabs(m.folders, activeTab, m.folderCounts)
2773
+
header, _ := folderTabs(m.folders, activeTab, m.folderCounts)
2751
2774
if m.offTabFolder != "" {
2752
2775
header += styleSeparator.Render(" │ ") + styleHeader.Render(m.offTabFolder)
2753
2776
}
+35
-7
internal/ui/styles.go
+35
-7
internal/ui/styles.go
···
113
113
Bold(true)
114
114
)
115
115
116
-
// folderTabs renders the folder switcher bar.
117
-
func folderTabs(folders []string, active string, counts map[string]int) string {
118
-
var tabs []string
119
-
for _, f := range folders {
120
-
label := f
116
+
// tabZone records the X range for a clickable folder tab.
117
+
type tabZone struct {
118
+
xStart, xEnd int // character range [xStart, xEnd)
119
+
folderIndex int
120
+
}
121
+
122
+
// folderTabs renders the folder switcher bar and returns click zones.
123
+
func folderTabs(folders []string, active string, counts map[string]int) (string, []tabZone) {
124
+
// Compute raw label for each tab (before styling) to track character positions.
125
+
labels := make([]string, len(folders))
126
+
for i, f := range folders {
127
+
labels[i] = f
121
128
if n, ok := counts[f]; ok && n > 0 {
122
-
label = fmt.Sprintf("%s (%d)", f, n)
129
+
labels[i] = fmt.Sprintf("%s (%d)", f, n)
123
130
}
131
+
}
132
+
133
+
// styleHeader and styleFolder both add Padding(0,1) = 1 space each side.
134
+
const padLeft = 1
135
+
const padRight = 1
136
+
const sepWidth = 3 // " │ " rendered width
137
+
138
+
var zones []tabZone
139
+
var tabs []string
140
+
x := 0
141
+
for i, f := range folders {
142
+
label := labels[i]
143
+
start := x + padLeft
144
+
end := start + len(label)
145
+
zones = append(zones, tabZone{xStart: x, xEnd: end + padRight, folderIndex: i})
146
+
124
147
if f == active {
125
148
tabs = append(tabs, styleHeader.Render(label))
126
149
} else {
127
150
tabs = append(tabs, styleFolder.Render(label))
128
151
}
152
+
x = end + padRight
153
+
if i < len(folders)-1 {
154
+
x += sepWidth
155
+
}
129
156
}
157
+
130
158
sep := styleSeparator.Render(" │ ")
131
159
result := ""
132
160
for i, t := range tabs {
···
135
163
}
136
164
result += t
137
165
}
138
-
return result
166
+
return result, zones
139
167
}