#此处判断最后一段，如果已经是与我要追加的目录名一样，就不再追加了，如果不一样，则还需要追加 同时记录好写入注册表的路径 
Function AdjustInstallPath 	
	nsNiuniuSkin::StringHelper "$0" "\" "" "trimright"
	pop $0
	nsNiuniuSkin::StringHelper "$0" "\" "" "getrightbychar"
	pop $1	
		
	${If} "$1" == "${INSTALL_APPEND_PATH}"
		StrCpy $INSTDIR "$0"
	${Else}
		StrCpy $INSTDIR "$0\${INSTALL_APPEND_PATH}"
	${EndIf}
FunctionEnd


#判断选定的安装路径是否合法，主要检测硬盘是否存在[只能是HDD]，路径是否包含非法字符 结果保存在$R5中 
Function IsSetupPathIlleagal
	${GetRoot} "$INSTDIR" $R3   ;获取安装根目录  

	StrCpy $R0 "$R3\"  
	StrCpy $R1 "invalid"  
	${GetDrives} "HDD" "HDDDetection"            ;获取将要安装的根目录磁盘类型

	${If} $R1 == "HDD"              ;是硬盘       
		 StrCpy $R5 "1"	 
		 ${DriveSpace} "$R3\" "/D=F /S=M" $R0           #获取指定盘符的剩余可用空间，/D=F剩余空间， /S=M单位兆字节  
		 ${If} $R0 < 100                                #400即程序安装后需要占用的实际空间，单位：MB  
			StrCpy $R5 "-1"		#表示空间不足 
		 ${endif}
	${Else}  
		 #0表示不合法 
		 StrCpy $R5 "0"
	${endif}
FunctionEnd


Function HDDDetection
	${If} "$R0" == "$9"
		StrCpy $R1 "HDD"
	${Endif}
	
	Push $0
FunctionEnd


#获取默认的安装路径 
Function GenerateSetupAddress
	#读取注册表安装路径 
	SetRegView 32	
	ReadRegStr $0 HKLM "Software\${PRODUCT_PATHNAME}" "InstPath"
	${If} "$0" != ""		#路径不存在，则重新选择路径  	
		#路径读取到了，直接使用 
		#再判断一下这个路径是否有效 
		nsNiuniuSkin::StringHelper "$0" "\\" "\" "replace"
		Pop $0
		StrCpy $INSTDIR "$0"
	${EndIf}
	
	#如果从注册表读的地址非法，则还需要写上默认地址      
	Call IsSetupPathIlleagal
	${If} $R5 == "0"
		StrCpy $INSTDIR "$PROGRAMFILES32\${INSTALL_APPEND_PATH}"		
	${EndIf}	
	
	
	${GetRoot} "D:\" $R3   ;获取安装根目录
	StrCpy $R0 "$R3\"  
	StrCpy $R1 "invalid"  
	${GetDrives} "HDD" "HDDDetection"            ;获取将要安装的根目录磁盘类型
	${If} $R1 == "HDD"              ;是硬盘       
		 StrCpy $R5 "1"	 
		 ${DriveSpace} "$R3\" "/D=F /S=M" $R0           #获取指定盘符的剩余可用空间，/D=F剩余空间， /S=M单位兆字节  
		 
		 StrCpy $INSTDIR "D:\${INSTALL_APPEND_PATH}"	
	${Else}  
		
	${endif}
	
FunctionEnd


# 生成卸载入口 
Function CreateUninstall
	#写入注册信息 
	SetRegView 32
	WriteRegStr HKLM "Software\${PRODUCT_PATHNAME}" "InstPath" "$INSTDIR"
	
	# WriteUninstaller "$INSTDIR\uninst.exe"
	
	# 添加卸载信息到控制面板
	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_PATHNAME}" "DisplayName" "${PRODUCT_NAME}"
	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_PATHNAME}" "UninstallString" "$INSTDIR\uninst.exe"
	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_PATHNAME}" "DisplayIcon" "$INSTDIR\${EXE_NAME}"
	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_PATHNAME}" "Publisher" "${PRODUCT_PUBLISHER}"
	WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_PATHNAME}" "DisplayVersion" "${PRODUCT_VERSION}"
FunctionEnd


# ========================= 安装步骤 ===============================
;创建桌面快捷方式
Function CreateDeskTopIco   
    #添加到桌面快捷方式的动作在此添加  
	SetShellVarContext all
	CreateShortCut "$DESKTOP\${PRODUCT_NAME}.lnk" "$INSTDIR\${EXE_NAME}"	
	SetShellVarContext current	
FunctionEnd

;创建任务栏快捷方式
Function CreateBarlnk    
  ReadRegStr $R0 HKLM "SOFTWARE\Microsoft\Windows NT\CurrentVersion" "CurrentVersion"    
  ${if} $R0 >= 6.0  
     SetOutPath $INSTDIR  
     ;创建任务栏快捷方式(win10系统会失败,并且导致程序运行)
     ;ExecShell taskbarpin "$DESKTOP\${PRODUCT_NAME}.lnk"
	 ${StdUtils.InvokeShellVerb} $0 "$INSTDIR" "${EXE_NAME}" ${StdUtils.Const.ShellVerb.PinToTaskbar}
  ${else}
     CreateShortCut "$QUICKLAUNCH\${PRODUCT_NAME}.lnk" "$INSTDIR\${EXE_NAME}"  
  ${Endif}  
FunctionEnd

# 锁定任务栏
Function createTaskBar
	ReadRegStr $0 HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment" "PROCESSOR_ARCHITECTURE"
	${if} $0 == 'x86'
		SetOutPath "$TEMP"
		#File "PinToTaskbar\x86\PinToTaskbar.exe"
		#File "PinToTaskbar\x86\PinToTaskbarHelper.dll"
		#ExecWait '"$TEMP\PinToTaskbar.exe" /pin "$INSTDIR\${EXE_NAME}"'
		#Delete "$TEMP\PinToTaskbar.exe"
		#Delete "$TEMP\PinToTaskbarHelper.dll"
	${else}
		SetOutPath "$TEMP"
		#File "PinToTaskbar\x64\PinToTaskbar.exe"
		#File "PinToTaskbar\x64\PinToTaskbarHelper.dll"
		#ExecWait '"$TEMP\PinToTaskbar.exe" /pin "$INSTDIR\${EXE_NAME}"'
		#Delete "$TEMP\PinToTaskbar.exe"
		#Delete "$TEMP\PinToTaskbarHelper.dll"
	${Endif}
FunctionEnd

; 创建开机启动
Function CreateBootStart
	CreateShortCut "$SMSTARTUP\${PRODUCT_NAME}.lnk" "$INSTDIR\${EXE_NAME}"
FunctionEnd

;刷新关联图标
Function RefreshShellIcons
  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v \
  (${SHCNE_ASSOCCHANGED}, ${SHCNF_IDLIST}, 0, 0)'
FunctionEnd

Function ExtractFunc
	#安装文件的7Z压缩包
	SetOutPath $INSTDIR

	#根据宏来区分是否走非NSIS7Z的进度条  
	!ifdef INSTALL_WITH_NO_NSIS7Z
		!include "..\app.nsh"
	!else
		GetFunctionAddress $R9 ExtractCallback
		nsis7zU::ExtractWithCallback "$INSTDIR\${INSTALL_7Z_NAME}" $R9
		Delete "$INSTDIR\${INSTALL_7Z_NAME}"
	!endif
	
	Sleep 300
FunctionEnd

Function un.DeleteShotcutAndInstallInfo
	SetRegView 32
	DeleteRegKey HKLM "Software\${PRODUCT_PATHNAME}"	
	DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_PATHNAME}"
	
	; 删除快捷方式
	SetShellVarContext all
	Delete "$SMPROGRAMS\${PRODUCT_NAME}\${PRODUCT_NAME}.lnk"
	Delete "$SMPROGRAMS\${PRODUCT_NAME}\卸载${PRODUCT_NAME}.lnk"
	RMDir "$SMPROGRAMS\${PRODUCT_NAME}\"
	Delete "$DESKTOP\${PRODUCT_NAME}.lnk"
	
	#删除开机启动  
    Delete "$SMSTARTUP\${PRODUCT_NAME}.lnk"
	SetShellVarContext all
FunctionEnd