From bca3378c7d4916d1fa4862a01f39014dfa260e05 Mon Sep 17 00:00:00 2001
From: Guyutongxue <guyutongxue@163.com>
Date: Tue, 16 Aug 2022 16:32:58 +0800
Subject: [PATCH] update

---
 CHANGELOG.md                         |  4 +++
 src-tauri/src/gui.rs                 | 38 +++++++++++++++++++++++++++-
 src-tauri/src/main.rs                |  2 ++
 src-tauri/src/steps/compiler/msvc.rs |  4 +--
 4 files changed, 45 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4880a74..2cfd425 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 - 修复了 MSVC 的错误的问题匹配设置（`vscext` 分支）
 - CLI 增加了日志路径选项
 
+## v4.0.0-beta.11
+*2022.8.16*
+- Windows 下检测 WebView 2 安装
+
 ## v4.0.0-beta.10
 *2022.8.14*
 - 修复了点击“新手模式”在非 Windows 系统上导致的错误
diff --git a/src-tauri/src/gui.rs b/src-tauri/src/gui.rs
index bc530e7..2ee0f72 100644
--- a/src-tauri/src/gui.rs
+++ b/src-tauri/src/gui.rs
@@ -16,7 +16,7 @@
 // along with vscch4.  If not, see <http://www.gnu.org/licenses/>.
 
 use anyhow::{anyhow, Result};
-use log::{debug, info, trace};
+use log::{debug, info, trace, warn};
 use serde::Serialize;
 
 use crate::steps::{
@@ -25,7 +25,43 @@ use crate::steps::{
 use crate::tasks;
 use crate::tasks::TaskInitArgs;
 
+#[cfg(windows)]
+fn has_webview2_installed() -> bool {
+  use crate::utils::winreg;
+  if let Some(v) = winreg::get(
+    winreg::HKEY_LOCAL_MACHINE,
+    r#"SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5}"#,
+    "pv",
+  ) {
+    if v != "" && v != "0.0.0.0" { return true; }
+  }
+  if let Some(v) = winreg::get(
+    winreg::HKEY_CURRENT_USER,
+    r#"Software\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5}"#,
+    "pv",
+  ) {
+    if v != "" && v != "0.0.0.0" { return true; }
+  }
+  return false;
+}
+
 pub fn gui() -> Result<()> {
+  #[cfg(windows)]
+  {
+    if !has_webview2_installed() {
+      debug!("WebView 2 未安装");
+      let download = native_dialog::MessageDialog::new()
+        .set_title("WebView 2 未安装")
+        .set_type(native_dialog::MessageType::Warning)
+        .set_text("您的系统可能尚未安装 WebView 2。这表明您可能无法正常运行图形界面。\n  点击“确认”以前往 WebView 2 下载页面，并退出程序；\n  点击“取消”以继续尝试运行本程序。")
+        .show_confirm()?;
+      if download {
+        open::that("https://go.microsoft.com/fwlink/p/?LinkId=2124703")?;
+        std::process::exit(1);
+      }
+      warn!("用户执意执行 GUI。");
+    }
+  }
   debug!("即将启动 tauri GUI。");
   tauri::Builder::default()
     .invoke_handler(tauri::generate_handler![
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 4bdce08..632db91 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -32,6 +32,7 @@ fn handle_error(e: Error) -> ! {
       native_dialog::MessageDialog::new()
         .set_title("程序已报告错误")
         .set_text(&format!("{}\n您可以将代码 “{}” 发送至 guyutongxue@163.com，开发者会尽快帮您解决问题。\n（使用 --no-stats 选项以关闭此弹窗。）", e.to_string(), &id[0..6]))
+        .set_type(native_dialog::MessageType::Error)
         .show_alert()
         .unwrap();
     }
@@ -40,6 +41,7 @@ fn handle_error(e: Error) -> ! {
       native_dialog::MessageDialog::new()
         .set_title("日志未就绪前出现错误")
         .set_text(&format!("{:?}", e))
+        .set_type(native_dialog::MessageType::Error)
         .show_alert()
         .unwrap();
     } else {
diff --git a/src-tauri/src/steps/compiler/msvc.rs b/src-tauri/src/steps/compiler/msvc.rs
index a738ed1..2566164 100644
--- a/src-tauri/src/steps/compiler/msvc.rs
+++ b/src-tauri/src/steps/compiler/msvc.rs
@@ -84,7 +84,7 @@ fn scan() -> Vec<Compiler> {
     return vec![];
   }
   let vswhere = vswhere.unwrap();
-  debug!("vswhere.exe is {:?}", vswhere);
+  debug!("vswhere.exe 路径：{:?}", vswhere);
 
   #[derive(Deserialize)]
   #[serde(rename_all = "camelCase")]
@@ -111,7 +111,7 @@ fn scan() -> Vec<Compiler> {
       // 受 https://github.com/microsoft/vswhere/issues/262 影响，某些 vswhere 可能存在编码错误
       let s = String::from_utf8_lossy(&o.stdout)
         .into_owned();
-      debug!("vswhere.exe output: {}", s);
+      debug!("vswhere.exe 输出：{}", s);
       serde_json::from_str(&s).ok()
     });
   if list.is_none() {