From 4be9d35e217adc0eb09978df0495f92079834bef Mon Sep 17 00:00:00 2001
From: koki-develop <kou.pg.0131@gmail.com>
Date: Sun, 26 Mar 2023 09:14:32 +0900
Subject: [PATCH 1/6] implement max()

---
 util.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/util.go b/util.go
index 5fcafa0..8cc3d85 100644
--- a/util.go
+++ b/util.go
@@ -28,3 +28,11 @@ func intFilter(is []int, f func(i int) bool) []int {
 	}
 	return rtn
 }
+
+func max(l, r int) int {
+	if l < r {
+		return r
+	} else {
+		return l
+	}
+}

From 9759a1147ada070f3cafb28eaccc6bb082d70acf Mon Sep 17 00:00:00 2001
From: koki-develop <kou.pg.0131@gmail.com>
Date: Sun, 26 Mar 2023 09:28:31 +0900
Subject: [PATCH 2/6] implement model.headerHeight()

---
 model.go | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/model.go b/model.go
index dc21898..c062ba4 100644
--- a/model.go
+++ b/model.go
@@ -15,10 +15,6 @@ var (
 	_ tea.Model = (*model)(nil)
 )
 
-const (
-	headerHeight = 1
-)
-
 type model struct {
 	fzf   *FZF
 	items *items
@@ -106,9 +102,15 @@ func (m *model) headerView() string {
 	return m.input.View()
 }
 
+func (m *model) headerHeight() int {
+	return lipgloss.Height(m.headerView())
+}
+
 func (m *model) itemsView() string {
 	var v strings.Builder
 
+	headerHeight := m.headerHeight()
+
 	for i, match := range m.matches[m.windowYPosition:] {
 		cursorLine := m.cursorPosition == i
 
@@ -270,6 +272,8 @@ func (m *model) fixCursor() {
 }
 
 func (m *model) fixYPosition() {
+	headerHeight := m.headerHeight()
+
 	if m.windowHeight-headerHeight > len(m.matches) {
 		m.windowYPosition = 0
 		return

From fac3061db2d529f90a0204f2c9fbaf041fc1963b Mon Sep 17 00:00:00 2001
From: koki-develop <kou.pg.0131@gmail.com>
Date: Sun, 26 Mar 2023 09:33:36 +0900
Subject: [PATCH 3/6] fix cursorLine

---
 model.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/model.go b/model.go
index c062ba4..5ae71fb 100644
--- a/model.go
+++ b/model.go
@@ -112,7 +112,7 @@ func (m *model) itemsView() string {
 	headerHeight := m.headerHeight()
 
 	for i, match := range m.matches[m.windowYPosition:] {
-		cursorLine := m.cursorPosition == i
+		cursorLine := m.cursorPosition == i+m.windowYPosition
 
 		// write cursor
 		if cursorLine {

From 4df2d22d08624585ac1305b4ae716d87f4847dd6 Mon Sep 17 00:00:00 2001
From: koki-develop <kou.pg.0131@gmail.com>
Date: Sun, 26 Mar 2023 09:38:39 +0900
Subject: [PATCH 4/6] fix m.choice()

---
 model.go | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/model.go b/model.go
index 5ae71fb..d12d3b5 100644
--- a/model.go
+++ b/model.go
@@ -209,9 +209,15 @@ func (m *model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 }
 
 func (m *model) choice() {
-	if len(m.choices) == 0 && m.cursorPosition >= 0 {
-		m.choices = append(m.choices, m.matches[m.cursorPosition].Index)
+	if len(m.choices) > 0 {
+		return
+	}
+
+	if m.matches.Len() == 0 {
+		return
 	}
+
+	m.choices = append(m.choices, m.matches[m.cursorPosition].Index)
 }
 
 func (m *model) toggle() {

From cedc7de3f9c29187062073f40643d2717a6abae4 Mon Sep 17 00:00:00 2001
From: koki-develop <kou.pg.0131@gmail.com>
Date: Sun, 26 Mar 2023 09:40:07 +0900
Subject: [PATCH 5/6] fix m.fixCursor()

---
 model.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/model.go b/model.go
index d12d3b5..27ac274 100644
--- a/model.go
+++ b/model.go
@@ -266,7 +266,7 @@ func (m *model) filter() {
 }
 
 func (m *model) fixCursor() {
-	if m.cursorPosition < 0 && len(m.matches) > 0 {
+	if m.cursorPosition < 0 {
 		m.cursorPosition = 0
 		return
 	}

From 36123fbccf0a5eba92070d9aba7621953abf5cec Mon Sep 17 00:00:00 2001
From: koki-develop <kou.pg.0131@gmail.com>
Date: Sun, 26 Mar 2023 09:48:13 +0900
Subject: [PATCH 6/6] display items count

---
 model.go | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/model.go b/model.go
index 27ac274..49540b2 100644
--- a/model.go
+++ b/model.go
@@ -2,6 +2,7 @@ package fzf
 
 import (
 	"fmt"
+	"strconv"
 	"strings"
 
 	"github.com/charmbracelet/bubbles/key"
@@ -99,7 +100,22 @@ func (m *model) View() string {
 }
 
 func (m *model) headerView() string {
-	return m.input.View()
+	var v strings.Builder
+
+	// input
+	_, _ = v.WriteString(m.input.View())
+	_, _ = v.WriteRune('\n')
+
+	// count
+	var cv strings.Builder
+	_, _ = cv.WriteString(strconv.Itoa(m.matches.Len()))
+	_, _ = cv.WriteRune('/')
+	_, _ = cv.WriteString(strconv.Itoa(m.items.Len()))
+	_, _ = cv.WriteRune(' ')
+	_, _ = v.WriteString(cv.String())
+	_, _ = v.WriteString(strings.Repeat("─", max(m.windowWidth-cv.Len(), 0)))
+
+	return v.String()
 }
 
 func (m *model) headerHeight() int {