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// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later
package display
import (
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"math"
"os"
"os/exec"
"path/filepath"
"reflect"
"sort"
"strconv"
"strings"
"sync"
"time"
"github.com/davecgh/go-spew/spew"
"github.com/godbus/dbus"
"github.com/jouyouyun/hardware/graphic"
sessiondisplay "github.com/linuxdeepin/go-dbus-factory/com.deepin.daemon.display"
sysdisplay "github.com/linuxdeepin/go-dbus-factory/com.deepin.system.display"
inputdevices "github.com/linuxdeepin/go-dbus-factory/com.deepin.system.inputdevices"
systeminfo "github.com/linuxdeepin/go-dbus-factory/com.deepin.system.systeminfo"
configManager "github.com/linuxdeepin/go-dbus-factory/org.desktopspec.ConfigManager"
ofdbus "github.com/linuxdeepin/go-dbus-factory/org.freedesktop.dbus"
login1 "github.com/linuxdeepin/go-dbus-factory/org.freedesktop.login1"
gio "github.com/linuxdeepin/go-gir/gio-2.0"
"github.com/linuxdeepin/go-lib/dbusutil"
"github.com/linuxdeepin/go-lib/gsettings"
"github.com/linuxdeepin/go-lib/log"
"github.com/linuxdeepin/go-lib/strv"
"github.com/linuxdeepin/go-lib/xdg/basedir"
x "github.com/linuxdeepin/go-x11-client"
"github.com/linuxdeepin/go-x11-client/ext/randr"
"github.com/linuxdeepin/startdde/display/brightness"
)
const (
DisplayModeCustom uint8 = iota
DisplayModeMirror
DisplayModeExtend
DisplayModeOnlyOne
DisplayModeUnknown
)
// DisplayModeInvalid 无效的模式
const DisplayModeInvalid uint8 = 0
const (
// 1:自动旋转;即未主动调用 SetRotation() 接口(由内部触发)发生的旋转操作,如根据重力传感器自动设定旋转方向
RotationFinishModeAuto uint8 = iota + 1
// 2:手动旋转;即主动调用 SetRotation() 接口完成旋转,如控制中心下拉框方式旋转屏幕
RotationFinishModeManual
)
const (
sensorProxyInterface = "com.deepin.SensorProxy"
sensorProxyPath = "/com/deepin/SensorProxy"
sensorProxySignalName = "RotationValueChanged"
sensorProxySignal = "com.deepin.SensorProxy.RotationValueChanged"
sensorProxyGetScreenStatus = "com.deepin.SensorProxy.GetScreenStatus"
)
const (
gsSchemaDisplay = "com.deepin.dde.display"
gsKeyDisplayMode = "display-mode"
gsKeyBrightness = "brightness"
gsKeySetter = "brightness-setter"
gsKeyMapOutput = "map-output"
gsKeyRateFilter = "rate-filter"
//gsKeyPrimary = "primary"
gsXSettingsPrimaryName = "primary-monitor-name"
gsXSettingsPrimaryRect = "primary-monitor-rect"
gsKeyCustomMode = "current-custom-mode"
gsKeyColorTemperatureMode = "color-temperature-mode"
gsKeyColorTemperatureManual = "color-temperature-manual"
gsKeyRotateScreenTimeDelay = "rotate-screen-time-delay"
customModeDelim = "+"
monitorsIdDelimiter = ","
defaultTemperatureMode = ColorTemperatureModeNone
defaultTemperatureManual = 6500
defaultRotateScreenTimeDelay = 500
cmdTouchscreenDialogBin = "/usr/lib/deepin-daemon/dde-touchscreen-dialog"
gsSchemaXSettings = "com.deepin.xsettings"
gsKeyScaleFactor = "scale-factor"
)
const (
priorityEDP = iota
priorityDP
priorityHDMI
priorityDVI
priorityVGA
priorityOther
)
const (
DSettingsAppID = "org.deepin.startdde"
DSettingsDisplayName = "org.deepin.Display"
DSettingsKeyHDMIIsBuiltinConfig = "HDMI-is-builtin"
DSettingsKeyBackLightMaxBrightnessChooseBigConfig = "backLight-max-brightness-choose-big"
DSettingsKeySpecialGPUVendorListConfig = "special-gpu-vendor-list"
)
var (
_monitorTypePriority = map[string]int{
"edp": priorityEDP,
"dp": priorityDP,
"hdmi": priorityHDMI,
"dvi": priorityDVI,
"vga": priorityVGA,
}
)
var (
startBuildInScreenRotationMutex sync.Mutex
rotationScreenValue = map[string]uint16{
"normal": randr.RotationRotate0,
"left": randr.RotationRotate270, // 屏幕重力旋转左转90
"right": randr.RotationRotate90, // 屏幕重力旋转右转90
}
)
type touchscreenMapValue struct {
OutputName string
Auto bool
}
//go:generate dbusutil-gen -output display_dbusutil.go -import github.com/godbus/dbus,github.com/linuxdeepin/go-x11-client,github.com/linuxdeepin/go-lib/strv -type Manager,Monitor manager.go monitor.go
//go:generate dbusutil-gen em -type Manager,Monitor
type Manager struct {
service *dbusutil.Service
sysBus *dbus.Conn
sysSigLoop *dbusutil.SignalLoop
sessionSigLoop *dbusutil.SignalLoop
// 系统级 dbus-daemon 服务
dbusDaemon ofdbus.DBus
sensorProxy dbus.BusObject
inputDevices inputdevices.InputDevices
// 系统级 display 服务
sysDisplay sysdisplay.Display
xConn *x.Conn
PropsMu sync.RWMutex
sysConfig SysRootConfig
userConfig UserConfig
userCfgMu sync.Mutex
recommendScaleFactor float64
builtinMonitor *Monitor
builtinMonitorMu sync.Mutex
candidateBuiltinMonitors []*Monitor // 候补的
monitorMap map[uint32]*Monitor
monitorMapMu sync.Mutex
mm monitorManager
debugOpts debugOptions
redshiftRunner *redshiftRunner
sessionActive bool
newSysCfg *SysRootConfig
cursorShowed bool
// gsettings com.deepin.dde.display
settings *gio.Settings
xSettingsGs *gio.Settings
monitorsId monitorsId
monitorsIdMu sync.Mutex
hasBuiltinMonitor bool
rotateScreenTimeDelay int32
setFillModeMu sync.Mutex
delayApplyTimer *time.Timer
delayApplyOptions applyOptions
prevCurrentNumMonitors int
prevNumMonitors int
prevNumMonitorsUpdatedAt time.Time
delaySwitchMode *delaySwitchMode
applyMu sync.Mutex
applySaveMu sync.Mutex
inApply bool
futureConfig monitorsFutureConfig
// dbusutil-gen: equal=objPathsEqual
Monitors []dbus.ObjectPath
// dbusutil-gen: equal=nil
CustomIdList []string
HasChanged bool
DisplayMode byte
// dbusutil-gen: equal=nil
Brightness map[string]float64
// dbusutil-gen: equal=nil
Touchscreens dxTouchscreens
tm touchscreenManager
// dbusutil-gen: equal=nil
TouchscreensV2 dxTouchscreens
// dbusutil-gen: equal=nil
TouchMap map[string]string
touchscreenMap map[string]touchscreenMapValue
// touch.uuid -> touchScreenDialog cmd
touchScreenDialogMap map[string]*exec.Cmd
touchScreenDialogMutex sync.RWMutex
CurrentCustomId string
Primary string
PrimaryRect x.Rectangle
ScreenWidth uint16
ScreenHeight uint16
MaxBacklightBrightness uint32
// method of adjust color temperature according to time and location
ColorTemperatureMode int32
// adjust color temperature by manual adjustment
ColorTemperatureManual int32
// TODO 删除下面 2 个色温相关字段
// 存在gsetting中的色温模式
gsColorTemperatureMode int32
// 存在gsetting中的色温值
gsColorTemperatureManual int32
// 不支持调节色温的显卡型号
unsupportGammaDrmList []string
drmSupportGamma bool
initPrimary bool
dsHDMIIsBuiltinConfig []string
dsBackLightMaxBrightnessChooseBigConfig []string
dmiInfo systeminfo.DMIInfo
pciVendor []string
dsSpecialGPUVendorList []string
}
type monitorSizeInfo struct {
width, height uint16
mmWidth, mmHeight uint32
}
var _ monitorManagerHooks = (*Manager)(nil)
func newManager(service *dbusutil.Service) *Manager {
m := &Manager{
service: service,
monitorMap: make(map[uint32]*Monitor),
Brightness: make(map[string]float64),
redshiftRunner: newRedshiftRunner(),
unsupportGammaDrmList: []string{
"Loongson",
},
}
m.initPrimary = false
m.redshiftRunner.cb = func(value int) {
m.setColorTempOneShot()
}
chassis, err := getComputeChassis()
if err != nil {
logger.Warning(err)
}
if chassis == "laptop" || chassis == "all-in-one" {
m.hasBuiltinMonitor = true
}
m.settings = gio.NewSettings(gsSchemaDisplay)
m.CurrentCustomId = m.settings.GetString(gsKeyCustomMode)
m.rotateScreenTimeDelay = m.settings.GetInt(gsKeyRotateScreenTimeDelay)
m.ColorTemperatureManual = defaultTemperatureManual
m.ColorTemperatureMode = defaultTemperatureMode
m.xSettingsGs = gio.NewSettings(gsSchemaXSettings)
m.xConn = _xConn
screen := m.xConn.GetDefaultScreen()
if screen != nil {
m.ScreenWidth = screen.WidthInPixels
m.ScreenHeight = screen.HeightInPixels
}
sessionSigLoop := dbusutil.NewSignalLoop(m.service.Conn(), 10)
m.sessionSigLoop = sessionSigLoop
sessionSigLoop.Start()
m.sysBus, err = dbus.SystemBus()
if err != nil {
logger.Warning(err)
}
if _useWayland {
m.mm = newKMonitorManager(sessionSigLoop)
m.tm = newWaylandTouchscreenManager(service.Conn(), m.sysBus)
} else {
m.mm = newXMonitorManager(m.xConn, _hasRandr1d2)
m.tm = newXTouchscreenManager(m.sysBus)
}
m.mm.setHooks(m)
m.setPropMaxBacklightBrightness(uint32(m.GetMaxBacklightBrightness()))
sysSigLoop := dbusutil.NewSignalLoop(m.sysBus, 10)
m.sysSigLoop = sysSigLoop
sysSigLoop.Start()
m.dbusDaemon = ofdbus.NewDBus(m.sysBus)
m.dbusDaemon.InitSignalExt(sysSigLoop, true)
m.inputDevices = inputdevices.NewInputDevices(m.sysBus)
m.inputDevices.InitSignalExt(sysSigLoop, true)
m.sysDisplay = sysdisplay.NewDisplay(m.sysBus)
loginManager := login1.NewManager(m.sysBus)
loginManager.InitSignalExt(sysSigLoop, true)
/* 当系统从待机或者休眠状态唤醒时,需要重新获取当前屏幕的状态 */
_, err = loginManager.ConnectPrepareForSleep(func(isSleep bool) {
if !isSleep {
logger.Info("system Wakeup, need reacquire screen status", isSleep)
m.initScreenRotation()
logger.Info("Cancel wm blackscreen effect")
cmd := exec.Command("/bin/bash", "-c", "dbus-send --print-reply --dest=org.kde.KWin /BlackScreen org.kde.kwin.BlackScreen.setActive boolean:false")
error := cmd.Run()
if error != nil {
logger.Warning("Cancel wm blackscreen failed", error)
}
}
})
if err != nil {
logger.Warning("failed to connect signal PrepareForSleep:", err)
}
selfSessionPath, err := loginManager.GetSessionByPID(0, uint32(os.Getpid()))
if err != nil {
logger.Warningf("get session path failed: %v", err)
// 允许在不能获取 session path 时提早结束
return m
}
logger.Debug("self session path:", selfSessionPath)
selfSession, err := login1.NewSession(m.sysBus, selfSessionPath)
if err != nil {
logger.Warning(err)
return m
}
selfSession.InitSignalExt(sysSigLoop, true)
err = selfSession.Active().ConnectChanged(func(hasValue, active bool) {
if !hasValue {
return
}
logger.Debug("session active changed", active)
m.sessionActive = active
if !active {
return
}
if m.newSysCfg != nil {
m.handleSysConfigUpdated(m.newSysCfg)
m.newSysCfg = nil
}
m.showTouchscreenDialogs()
// 监听用户的session Active属性改变信号,当切换到当前已经登录的用户时
// 需要从内核重新获取当前屏幕的状态,将锁屏界面旋转到对应方向
if m.builtinMonitor != nil {
m.initScreenRotation()
}
})
if err != nil {
logger.Warningf("prop active ConnectChanged failed! %v", err)
}
m.sessionActive, err = selfSession.Active().Get(0)
if err != nil {
logger.Warning(err)
}
m.drmSupportGamma, _ = m.detectDrmSupportGamma()
if m.drmSupportGamma {
m.setColorTempModeReal(ColorTemperatureModeNone)
}
return m
}
// 初始化系统级 display 服务的信号处理
func (m *Manager) initSysDisplay() {
m.sysDisplay.InitSignalExt(m.sysSigLoop, true)
_, err := m.sysDisplay.ConnectConfigUpdated(func(updateAt string) {
logger.Debug("sys display ConfigUpdated", updateAt)
if updateAt == m.sysConfig.UpdateAt {
return
}
newSysConfig, err := m.getSysConfig()
if err != nil {
// 获取出错,忽略这一次更新信号
logger.Warning("getSysConfig err:", err)
return
}
if logger.GetLogLevel() == log.LevelDebug {
logger.Debug("get new sysConfig:", spew.Sdump(newSysConfig))
}
if !m.sessionActive {
m.newSysCfg = newSysConfig
return
}
m.handleSysConfigUpdated(newSysConfig)
})
if err != nil {
logger.Warning(err)
}
}
// 处理系统级别的配置更新
func (m *Manager) handleSysConfigUpdated(newSysConfig *SysRootConfig) {
logger.Debug("handleSysConfigUpdated")
setCfg := func() {
m.sysConfig.copyFrom(newSysConfig)
}
currentCfg := &m.sysConfig.Config
newCfg := &newSysConfig.Config
cfgEq := reflect.DeepEqual(currentCfg, newCfg)
if cfgEq {
// 具体配置没有任何改变
logger.Debug("cfg eq")
setCfg()
return
}
monitorMap := m.cloneMonitorMap()
monitors := getConnectedMonitors(monitorMap)
newCfg.updateUuid(monitors)
fillModesEq := reflect.DeepEqual(currentCfg.FillModes, newCfg.FillModes)
displayModeEq := currentCfg.DisplayMode == newCfg.DisplayMode
scaleFactorsEq := reflect.DeepEqual(currentCfg.ScaleFactors, newCfg.ScaleFactors)
single := len(monitors) == 1
monitorsId := monitors.getMonitorsId()
currentMonitorCfgs := currentCfg.getMonitorConfigs(monitorsId, currentCfg.DisplayMode, single)
currentMonitorCfgs.sort()
newMonitorCfgs := newCfg.getMonitorConfigs(monitorsId, currentCfg.DisplayMode, single)
newMonitorCfgs.sort()
monitorCfgsEq := reflect.DeepEqual(currentMonitorCfgs, newMonitorCfgs)
logger.Debugf("fillModeEq: %v, displayModeEq: %v, scaleFactorsEq: %v, monitorCfgsEq: %v, monitorsId: %v, single: %v",
fillModesEq, displayModeEq, scaleFactorsEq, monitorCfgsEq, monitorsId, single)
if logger.GetLogLevel() == log.LevelDebug {
logger.Debugf("currentMonitorCfgs: %s", spew.Sdump(currentMonitorCfgs))
logger.Debugf("newMonitorCfgs: %s", spew.Sdump(newMonitorCfgs))
}
setCfg()
if !scaleFactorsEq {
// scale factors 改变了
logger.Debug("scaleFactors changed")
if ScaleFactorsHelper.changedCb != nil {
go func() {
err := ScaleFactorsHelper.changedCb(newCfg.ScaleFactors)
if err != nil {
logger.Warning("scale factors changed cb err:", err)
}
}()
} else {
logger.Warning("scale factors changed cb is nil")
}
}
if !displayModeEq {
// displayMode 改变了
logger.Debug("displayMode changed")
go func() {
err := m.applyDisplayConfig(newCfg.DisplayMode, monitorsId, monitorMap, false, nil)
if err != nil {
logger.Warning(err)
return
}
m.setPropDisplayMode(newCfg.DisplayMode)
}()
return
}
// 以下都是 displayMode 没变
doApply := false
if !monitorCfgsEq {
if currentMonitorCfgs.onlyBrNotEq(newMonitorCfgs) {
// 仅亮度改变
logger.Debug("monitorCfgs not eq, but only brightness changed")
go func() {
for _, config := range newMonitorCfgs {
if config.Enabled {
err := m.setBrightness(config.Name, config.Brightness)
if err != nil {
logger.Warning(err)
}
}
}
m.syncPropBrightness()
}()
} else {
// 不光是亮度改变,还有其他屏幕配置,比如位置pos,分辨率等改变。
logger.Debug("monitor configs changed")
doApply = true
go func() {
err := m.applySysMonitorConfigs(newCfg.DisplayMode, monitorsId, monitorMap, newMonitorCfgs, nil)
if err != nil {
logger.Warning(err)
return
}
}()
}
}
if !fillModesEq {
// fillModes 改变了
if !doApply {
// applySysMonitorConfigs 会在内部设置 fillMode
logger.Debug("fillModes changed, set fill mode for monitors")
monitors := m.getConnectedMonitors()
var primaryScreenFillMode = fillModeDefault
for _, config := range newMonitorCfgs {
if config.Primary {
primaryScreenFillMode = newCfg.FillModes[monitors.GetByName(config.Name).generateFillModeKey()]
break
}
}
go func() {
// 设置 fillModes
for _, monitor := range monitors {
var monitorFillMode = fillModeDefault
if newCfg.DisplayMode == DisplayModeMirror {
monitorFillMode = primaryScreenFillMode
} else {
monitorFillMode = newCfg.FillModes[monitor.generateFillModeKey()]
}
err := m.mm.setMonitorFillMode(monitor, monitorFillMode)
if err != nil {
logger.Warning("set monitor fill mode failed:", monitor, err)
}
}
}()
}
}
}
// initBuiltinMonitor 初始化内置显示器。
func (m *Manager) initBuiltinMonitor() {
if !m.hasBuiltinMonitor {
return
}
// 从系统级配置中获取内置显示器名称
builtinMonitorName := m.sysConfig.Config.Cache.BuiltinMonitor
monitors := m.getConnectedMonitors()
if builtinMonitorName != "" {
for _, monitor := range monitors {
if monitor.Name == builtinMonitorName {
m.builtinMonitor = monitor
}
}
}
// 从配置文件获取的内置显示器还存在,信任配置文件,可以返回了
if m.builtinMonitor != nil {
return
}
builtinMonitorName = ""
var rest []*Monitor
for _, monitor := range monitors {
name := strings.ToLower(monitor.Name)
if strings.HasPrefix(name, "vga") {
// 忽略 vga 开头的
} else if strings.HasPrefix(name, "edp") {
// 如果是 edp 开头,直接成为 builtinMonitor
rest = []*Monitor{monitor}
break
} else {
rest = append(rest, monitor)
}
}
if len(rest) == 1 {
m.builtinMonitor = rest[0]
builtinMonitorName = m.builtinMonitor.Name
} else if len(rest) > 1 {
// 选择 id 最小的显示器作为内置显示器,这个结果不太准确,但却无可奈何。
// 不保存 builtinMonitor 到配置文件中,由于 builtinMonitorName 为空,就会清空配置文件。
m.builtinMonitor = getMinIdMonitor(rest)
// 把剩余显示器列表 rest 设置到候选内置显示器列表。
m.candidateBuiltinMonitors = rest
}
// 保存内置显示器配置文件
err := m.saveBuiltinMonitorConfig(builtinMonitorName)
if err != nil {
logger.Warning("failed to save builtin monitor config:", err)
}
}
// updateBuiltinMonitorOnDisconnected 在发现显示器断开连接时,更新内置显示器,因为断开的不可能是内置显示器。
// 参数 id 是断开的显示器的 id。
func (m *Manager) updateBuiltinMonitorOnDisconnected(id uint32) {
m.builtinMonitorMu.Lock()
defer m.builtinMonitorMu.Unlock()
if len(m.candidateBuiltinMonitors) < 2 {
return
}
m.candidateBuiltinMonitors = monitorsRemove(m.candidateBuiltinMonitors, id)
if len(m.candidateBuiltinMonitors) == 1 {
// 当只剩下一个候补时能自动成为真的 builtin monitor
m.builtinMonitor = m.candidateBuiltinMonitors[0]
m.candidateBuiltinMonitors = nil
// 保存内置显示器配置文件
err := m.saveBuiltinMonitorConfig(m.builtinMonitor.Name)
if err != nil {
logger.Warning("failed to save builtin monitor config:", err)
}
}
}
// monitorsRemove 删除 monitors 列表中显示器 id 为参数 id 的显示器,返回新列表
func monitorsRemove(monitors []*Monitor, id uint32) []*Monitor {
var result []*Monitor
for _, m := range monitors {
if m.ID != id {
result = append(result, m)
}
}
return result
}
func (m *Manager) buildConfigForSingle(monitor *Monitor) SysMonitorConfigs {
cfg := monitor.toBasicSysConfig()
cfg.Enabled = true
cfg.Primary = true
mode := monitor.BestMode
cfg.Width = mode.Width
cfg.Height = mode.Height
cfg.RefreshRate = mode.Rate
// cfg.X = 0
// cfg.Y = 0
cfg.Brightness = 1
cfg.Rotation = randr.RotationRotate0
//cfg.Reflect = 0
return SysMonitorConfigs{cfg}
}
func (m *Manager) applyDisplayConfig(mode byte, monitorsId monitorsId, monitorMap map[uint32]*Monitor, setColorTemp bool, options applyOptions) error {
if monitorsId.v1 == "" {
return errors.New("monitorsId is empty")
}
// X 环境下,如果 randr 版本低于 1.2 时,不做操作
if !_useWayland && !_hasRandr1d2 {
return nil
}
monitors := getConnectedMonitors(monitorMap)
if len(monitors) == 0 {
// 拔掉所有显示器
logger.Debug("applyDisplayConfig not found any connected monitor,return")
return nil
}
m.updateConfigUuid(monitors)
if setColorTemp {
m.applyColorTempConfig(mode)
}
defer func() {
if _useWayland {
m.updateScreenSize()
}
}()
os.Setenv("D_DXCB_FORCE_OVERRIDE_HIDPI", "1")
scale := strconv.FormatFloat(m.xSettingsGs.GetDouble(gsKeyScaleFactor), 'f', -1, 64)
var value string
for i := 0; i < len(monitors); i++ {
value += scale + ";"
}
value = strings.TrimRight(value, ";")
os.Setenv("QT_SCREEN_SCALE_FACTORS", value)
var err error
if len(monitors) == 1 {
// 单屏情况
screenCfg := m.getSysScreenConfig(monitorsId)
needSaveCfg := false
monitorConfigs := screenCfg.getSingleMonitorConfigs()
if len(monitorConfigs) == 0 {
// 没有单屏配置
needSaveCfg = true
monitorConfigs = m.buildConfigForSingle(monitors[0])
}
// 应用配置
err = m.applySysMonitorConfigs(DisplayModeInvalid, monitorsId, monitorMap, monitorConfigs, options)
if err != nil {
logger.Warning("failed to apply configs:", err)
return err
}
if needSaveCfg {
screenCfg.setSingleMonitorConfigs(monitorConfigs)
m.setSysScreenConfig(monitorsId, screenCfg)
err = m.saveSysConfig("single")
if err != nil {
logger.Warning(err)
}
}
return nil
}
// 多屏情况
switch mode {
case DisplayModeMirror:
err = m.applyModeMirror(monitorsId, monitorMap, options)
case DisplayModeExtend:
err = m.applyModeExtend(monitorsId, monitorMap, options)
case DisplayModeOnlyOne:
err = m.applyModeOnlyOne(monitorsId, monitorMap, options)
}
if err != nil {
logger.Warning(err)
return err
}
return nil
}
// 在显示器断开或连接时,monitorsId 会改变,重新应用与之相符合的显示配置。
func (m *Manager) updateMonitorsId(options applyOptions) (changed bool) {
m.monitorsIdMu.Lock()
defer m.monitorsIdMu.Unlock()
// NOTE: 加锁为了保护 monitorsId 和 delayApplyTimer
oldMonitorsId := m.monitorsId
monitorMap := m.cloneMonitorMap()
newMonitorsId := getConnectedMonitors(monitorMap).getMonitorsId()
if newMonitorsId != oldMonitorsId && (newMonitorsId.v1 != "" || _useWayland) {
m.monitorsId = newMonitorsId
logger.Debugf("monitors id changed, old monitors id: %v, new monitors id: %v", oldMonitorsId.v1, newMonitorsId.v1)
m.markClean()
const delayApplyDuration = 1 * time.Second
if m.delayApplyTimer == nil {
m.delayApplyTimer = time.AfterFunc(delayApplyDuration, m.delayApplyConfig)
}
m.setDelayApplyOptions(options)
m.delayApplyTimer.Stop()
// timer Reset 之前需要 Stop
m.delayApplyTimer.Reset(delayApplyDuration)
}
return false
}
func (m *Manager) delayApplyConfig() {
options := m.getDelayApplyOptions()
// NOTE: applyConfig 应在非 X 事件处理的另外一个 goroutine 中进行。
monitorMap := m.cloneMonitorMap()
monitors := getConnectedMonitors(monitorMap)
monitorsId := monitors.getMonitorsId()
m.PropsMu.Lock()
delay := m.delaySwitchMode
m.PropsMu.Unlock()
var paths []dbus.ObjectPath
if delay != nil && len(monitors) > 1 && time.Since(delay.time) < 4*time.Second {
logger.Debug("delay != nil and len(monitors) > 1")
logger.Debug("since delay.time:", time.Since(delay.time))
// 这个 time.Since(delay.time) 一般是 1.5s 左右。
opts := getSwitchModeOptions(delay.mode, delay.name)
logger.Debugf("delay call switchModeAux, delaySwitchMode: %+v", delay)
err := m.switchModeAux(delay.mode, delay.oldMode, monitorsId, monitorMap, true, opts)
if err != nil {
logger.Warning("switch mode failed:", err)
}
paths = monitors.getPaths()
m.PropsMu.Lock()
m.delaySwitchMode = nil
m.PropsMu.Unlock()
} else {
logger.Debugf("delay call applyConfig, monitorsId: %v, options: %v", monitorsId, options)
m.applySaveMu.Lock()
paths = m.applyConfig(true, options)
m.applySaveMu.Unlock()
}
logger.Debug("update prop Monitors:", paths)
m.PropsMu.Lock()
m.setPropMonitors(paths)
m.PropsMu.Unlock()
}
func (m *Manager) getDelayApplyOptions() applyOptions {
m.PropsMu.Lock()
options := m.delayApplyOptions
m.PropsMu.Unlock()
return options
}
func (m *Manager) setDelayApplyOptions(options applyOptions) {
m.PropsMu.Lock()
m.delayApplyOptions = options
m.PropsMu.Unlock()
}
// applyConfig 应用显示配置,允许根据实际情况自动切换模式。
func (m *Manager) applyConfig(setColorTemp bool, options applyOptions) (paths []dbus.ObjectPath) {
monitorMap := m.cloneMonitorMap()
monitors := getConnectedMonitors(monitorMap)
monitorsId := monitors.getMonitorsId()
logger.Debugf("applyConfig monitorsId: %v, options: %v", monitorsId, options)
m.PropsMu.RLock()
displayMode := m.DisplayMode
m.PropsMu.RUnlock()
// 3个及以上屏幕,如果当前显示模式是 OnlyOne,需要自动切换到 Mirror 显示模式。
if displayMode == DisplayModeOnlyOne && len(monitors) >= 3 {
logger.Debug("switchMode mirror", monitorsId)
err := m.switchModeAux(DisplayModeMirror, displayMode, monitorsId, monitorMap, setColorTemp, options)
if err != nil {
logger.Warning(err)
}
} else {
err := m.applyDisplayConfig(displayMode, monitorsId, monitorMap, setColorTemp, options)
if err != nil {
logger.Warning(err)
}
}
return monitors.getPaths()
}
func (m *Manager) migrateOldConfig() {
if _greeterMode {
// greeter 模式无法读取gsetting值,在没有显示系统级配置文件时,默认多屏模式为扩展
m.sysConfig.mu.Lock()
m.sysConfig.Config.DisplayMode = DisplayModeExtend
m.DisplayMode = m.sysConfig.Config.DisplayMode
m.sysConfig.mu.Unlock()
return
}
logger.Debug("migrateOldConfig")
// 当系统级配置文件不存在时,此时的display Mode取gsetting中的值,确保升级前后一致
m.sysConfig.mu.Lock()
m.sysConfig.Config.DisplayMode = uint8(m.settings.GetEnum(gsKeyDisplayMode))
m.DisplayMode = m.sysConfig.Config.DisplayMode
m.sysConfig.mu.Unlock()
// NOTE: 在设置 m.DisplayMode, m.Brightness, m.gsColorTemperatureMode, m.gsColorTemperatureManual 之后
// 再加载配置文件并迁移,主要原因是 loadOldConfig 中的 ConfigV3D3.toConfig 和 ConfigV4.toConfig 需要。
m.gsColorTemperatureMode = m.settings.GetInt(gsKeyColorTemperatureMode)
m.gsColorTemperatureManual = m.settings.GetInt(gsKeyColorTemperatureManual)
m.initBrightness()
configV6, err := loadOldConfig(m)
if err != nil {
// 旧配置加载失败
if !os.IsNotExist(err) {
logger.Warning(err)
}
} else {
// 旧配置加载成功
if logger.GetLogLevel() == log.LevelDebug {
logger.Debug("migrateOldConfig configV6:", spew.Sdump(configV6))
}
sysCfg := configV6.toSysConfigV1()
sysCfg.DisplayMode = m.DisplayMode
m.sysConfig.Config = sysCfg
m.userConfig = configV6.toUserConfigV1()
m.userConfig.fix()
if err := m.saveUserConfig(); err != nil {
logger.Warning(err)
}
}
cfgDir := getCfgDir()
// 内置显示器配置文件 ~/.config/deepin/startdde/builtin-monitor
builtinMonitorConfigFile := filepath.Join(cfgDir, "builtin-monitor")
builtinMonitor, err := loadBuiltinMonitorConfig(builtinMonitorConfigFile)
if err != nil {
if !os.IsNotExist(err) {
logger.Warning(err)
}
} else {
m.sysConfig.Config.Cache.BuiltinMonitor = builtinMonitor
}
// NOTE: 这里的 cache 文件路径就是错的 ~/.cache/deepin/startdded/connectifno.cache
connectCacheFile := filepath.Join(basedir.GetUserCacheDir(),
"deepin/startdded/connectifno.cache")
connectInfo, err := readConnectInfoCache(connectCacheFile)
if err != nil {
if !os.IsNotExist(err) {
logger.Warning(err)
}
} else {
connectTime := make(map[string]time.Time)
for name, connected := range connectInfo.Connects {
if connected {
if t, ok := connectInfo.LastConnectedTimes[name]; ok {
connectTime[name] = t
}
}
}
m.sysConfig.Config.Cache.ConnectTime = connectTime
}
m.sysConfig.fix()
if err := m.saveSysConfigNoLock("migrate old config"); err != nil {
logger.Warning(err)
}
}
func (m *Manager) init() {
brightness.InitBacklightHelper()
brightness.SetUseWayland(_useWayland)
m.initDebugOptions()
m.loadSysConfig()
if m.sysConfig.Version == "" {
// 系统配置为空,需要迁移旧配置
m.migrateOldConfig()
}
if _scaleFactors != nil {
err := m.setScaleFactors(_scaleFactors)
if err != nil {
logger.Warning(err)
}
_scaleFactors = nil
}
if _hasRandr1d2 || _useWayland {
monitors := m.mm.getMonitors()
logger.Debug("len monitors", len(monitors))
err := m.recordMonitorsConnected(monitors)
if err != nil {
logger.Warning(err)
}
for _, monitor := range monitors {
err := m.addMonitor(monitor)
if err != nil {
logger.Warning(err)
}
}
m.initBuiltinMonitor()
m.monitorsId = m.getMonitorsId()
m.updatePropMonitors()
pmi := m.mm.getPrimaryMonitor()
if pmi != nil {
m.setPropPrimary(pmi.Name)
m.setPropPrimaryRect(pmi.getRect())
}
} else {
// randr 版本低于 1.2
screen := m.xConn.GetDefaultScreen()
screenInfo, err := randr.GetScreenInfo(m.xConn, screen.Root).Reply(m.xConn)
if err == nil {
monitor, err := m.addMonitorFallback(screenInfo)
if err == nil {
m.updatePropMonitors()
m.setPropPrimary("Default")
m.setPropPrimaryRect(x.Rectangle{
X: monitor.X,
Y: monitor.Y,
Width: monitor.Width,
Height: monitor.Height,
})
} else {
logger.Warning(err)
}
} else {
logger.Warning(err)
}