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; 高 DPI 支持

ManifestDPIAware true

!include "WordFunc.nsh"

!macro customInit

; 设置 DPI 感知

System::Call 'USER32::SetProcessDPIAware()'

!macroend

; 在安装开始前修正安装目录

!macro preInit

; 如果安装目录不以 CipherTalk 结尾，自动追加

${WordFind} "$INSTDIR" "\" "-1" $R0

${If} $R0 != "CipherTalk"

StrCpy $INSTDIR "$INSTDIR\CipherTalk"

${EndIf}

!macroend

; 安装完成后检测并安装 VC++ Redistributable

!macro customInstall

IfSilent skipVC ; 如果是静默安装（外壳调用），则跳过内部检查，避免MessageBox阻塞

; 检查 VC++ 2015-2022 x64 是否已安装

ReadRegStr $0 HKLM "SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64" "Installed"

${If} $0 != "1"

; 未安装，显示提示并下载

MessageBox MB_YESNO|MB_ICONQUESTION "检测到系统缺少 Visual C++ 运行库，这可能导致程序无法正常运行。$\n$\n是否立即下载并安装？（约 24MB）" IDYES downloadVC IDNO skipVC

downloadVC:

DetailPrint "正在下载 Visual C++ Redistributable..."

SetOutPath "$TEMP"

; 从微软官方下载 VC++ Redistributable x64

inetc::get /TIMEOUT=30000 /CAPTION "下载 Visual C++ 运行库" /BANNER "正在下载，请稍候..." \

"https://aka.ms/vs/17/release/vc_redist.x64.exe" "$TEMP\vc_redist.x64.exe" /END

Pop $0

${If} $0 == "OK"

DetailPrint "下载完成，正在安装..."

; 使用 ShellExecute 以管理员权限运行

ExecShell "runas" '"$TEMP\vc_redist.x64.exe"' "/install /quiet /norestart" SW_HIDE

; 等待安装完成

Sleep 5000

; 检查是否安装成功

ReadRegStr $1 HKLM "SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64" "Installed"

${If} $1 == "1"

DetailPrint "Visual C++ Redistributable 安装成功"

MessageBox MB_OK|MB_ICONINFORMATION "Visual C++ 运行库安装成功！"

${Else}

MessageBox MB_OK|MB_ICONEXCLAMATION "Visual C++ 运行库安装失败，您可能需要手动安装。"

${EndIf}

Delete "$TEMP\vc_redist.x64.exe"

${Else}

MessageBox MB_OK|MB_ICONEXCLAMATION "下载失败：$0$\n$\n您可以稍后手动下载安装 Visual C++ Redistributable。"

${EndIf}

Goto doneVC

skipVC:

DetailPrint "用户跳过 Visual C++ Redistributable 安装"

doneVC:

${Else}

DetailPrint "Visual C++ Redistributable 已安装"

${EndIf}

!macroend