fix 修复主界面按esc恢复慢的问题

cmd/hytop/Todo.md

-# Todo
-
-待办清单：
-
-解决非root用户执行出错的问题
-优化抓取数据逻辑，避免卡顿
-- 减少无效数据的收集
-- 多goroutine收集数据，收集数据的goroutine不阻塞tui相关goroutine的运行
-- 优化数据结构，降低时间复杂度

cmd/hytop/tui/dcuinfo.go

@@ -92,8 +92,8 @@ func (m *ModelDCUInfo) View() string {
 	strBuilder := strings.Builder{}
 	strCache := strings.Builder{}
 	var targetDCU int = -1
-	if m.actionMsg != nil && m.actionMsg.TargetDCUIndex != nil {
-		targetDCU = *m.actionMsg.TargetDCUIndex
+	if m.actionMsg != nil {
+		targetDCU = m.actionMsg.TargetDCUIndex
 	}
 	var borderStr string = myBorder.Left
 	if m.darkModule {

cmd/hytop/tui/main.go

@@ -104,7 +104,7 @@ type ActionMsg struct {
 	PointPid       *int32         // 指针指向的pid，为null表示没有选择进程，在主视图和进程树视图起作用
 	PidEnvView     *int32         // 进程环境变量视图的pid号，为null表示不进入进程环境变量视图
 	PidTreePids    []int32        // pid tree视图下，进程id的顺序列表
-	TargetDCUIndex *int           // PointPid使用的dcu index
+	TargetDCUIndex int            // PointPid使用的dcu index，为-1表示没有选择任何dcu
 }
 
 // ModelMain tui主模型类
@@ -468,9 +468,9 @@ func (m *ModelMain) handleKeyEsc() tea.Cmd {
 			m.actionMsg.Action = nil
 		} else if m.actionMsg.SelectPids != nil {
 			m.actionMsg.SelectPids = nil
-		} else if m.actionMsg.PointPid != nil || m.actionMsg.TargetDCUIndex != nil {
+		} else if m.actionMsg.PointPid != nil {
 			m.actionMsg.PointPid = nil
-			m.actionMsg.TargetDCUIndex = nil
+			m.actionMsg.TargetDCUIndex = -1
 		}
 		header, _ := m.Header.Update(m.actionMsg)
 		dcuInfo, _ := m.DCUInfo.Update(m.actionMsg)
@@ -650,8 +650,7 @@ func (m *ModelMain) handleKeyUp() tea.Cmd {
 		}
 		pid := processes[index].Info.Pid
 		m.actionMsg.PointPid = &pid
-		idx := processes[index].DCU
-		m.actionMsg.TargetDCUIndex = &idx
+		m.actionMsg.TargetDCUIndex = processes[index].DCU
 		m1, cmd1 := m.ProcessInfo.Update(m.actionMsg)
 		m2, cmd2 := m.DCUInfo.Update(m.actionMsg)
 		m3, cmd3 := m.SysLoad.Update(m.actionMsg)
@@ -738,8 +737,7 @@ func (m *ModelMain) handleKeyDown() tea.Cmd {
 		}
 		pid := processes[index].Info.Pid
 		m.actionMsg.PointPid = &pid
-		idx := processes[index].DCU
-		m.actionMsg.TargetDCUIndex = &idx
+		m.actionMsg.TargetDCUIndex = processes[index].DCU
 		m1, cmd1 := m.ProcessInfo.Update(m.actionMsg)
 		m2, cmd2 := m.DCUInfo.Update(m.actionMsg)
 		m3, cmd3 := m.SysLoad.Update(m.actionMsg)

cmd/hytop/tui/sysload.go

@@ -171,10 +171,10 @@ func (m *ModelSysLoad) Update(inputMsg tea.Msg) (tea.Model, tea.Cmd) {
 
 // handleAction 处理ActionMsg
 func (m *ModelSysLoad) handleAction() {
-	if m.actionMsg == nil || m.actionMsg.TargetDCUIndex == nil || m.actionMsg.VM != VMMain {
+	if m.actionMsg == nil || m.actionMsg.VM != VMMain {
 		return
 	}
-	targetIndex := int32(*m.actionMsg.TargetDCUIndex)
+	targetIndex := int32(m.actionMsg.TargetDCUIndex)
 	oldIndex := m.DCUToShow.Swap(targetIndex)
 	if oldIndex == targetIndex {
 		// 没有变
@@ -212,11 +212,11 @@ func (m *ModelSysLoad) View() string {
 		mem = LowLeightStyle.Render(mem)
 	}
 	var dcuMem, dcu string
-	if m.actionMsg == nil || m.actionMsg.TargetDCUIndex == nil {
+	if m.actionMsg == nil  {
 		dcuMem = fmt.Sprintf(" DCU AVG MEM: %.1f%%", m.current.DCUMemUsageAvg)
 		dcu = fmt.Sprintf(" DCU AVG UTL: %.1f%%", m.current.DCUUsageAvg)
 	} else {
-		index := int(*m.actionMsg.TargetDCUIndex)
+		index := m.actionMsg.TargetDCUIndex
 		if index == -1 {
 			dcuMem = fmt.Sprintf(" DCU AVG MEM: %.1f%%", m.current.DCUMemUsageAvg)
 			dcu = fmt.Sprintf(" DCU AVG UTL: %.1f%%", m.current.DCUUsageAvg)
@@ -338,11 +338,11 @@ func (m *ModelSysLoad) updateInfo(t *ModelMsg) {
 	m.current = &s
 
 	needUpdate, index := false, -1
-	if m.actionMsg != nil && m.actionMsg.TargetDCUIndex != nil {
-		index = *m.actionMsg.TargetDCUIndex
+	if m.actionMsg != nil  {
+		index = m.actionMsg.TargetDCUIndex
 		// 需要进入特定DCU的图表
 		oldIndex := m.DCUToShow.Swap(int32(index))
-		if oldIndex != int32(*m.actionMsg.TargetDCUIndex) {
+		if oldIndex != int32(m.actionMsg.TargetDCUIndex) {
 			// 需要更新
 			needUpdate = true
 		}