From c5331f059705d966e22b9a993239f961d10f67b3 Mon Sep 17 00:00:00 2001
From: Roy Qu <royqh1979@gmail.com>
Date: Fri, 20 Jan 2023 12:17:04 +0800
Subject: [PATCH] - enhancement: If there is "cppreference.chm" or
 "cppreference-%locale_name%.chm"(like cppreference-zh_CN.chm) in the redpanda
 C++'s app folder, open it instead of the cppreference website.

---
 NEWS.md                    |  2 ++
 RedPandaIDE/mainwindow.cpp | 32 +++++++++++++++++++++++++-------
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/NEWS.md b/NEWS.md
index 0cc3d964..74534ec1 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -9,6 +9,8 @@ Red Panda C++ Version 2.10
   - enhancement: Save project files' real encoding;
   - enhancement: Use project files' real encoding information when generating the makefile.
   - fix: If buttons in the options dialog / compiler / compiler set page is pressed, they won't release.
+  - enhancement: Confirm before remove a compiler set.
+  - enhancement: If there is "cppreference.chm" or "cppreference-%locale_name%.chm"(like cppreference-zh_CN.chm) in the redpanda C++'s app folder, open it instead of the cppreference website.
 
 Red Panda C++ Version 2.9
 
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index 80831e6c..f13dad96 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -7921,14 +7921,20 @@ void MainWindow::on_actionMove_To_Other_View_triggered()
 
 void MainWindow::on_actionC_C_Reference_triggered()
 {
+    QFileInfo fileInfo(includeTrailingPathDelimiter(pSettings->dirs().appDir())+
+                       QString("cppreference-%1.chm").arg(pSettings->environment().language()));
+    if (fileInfo.exists()) {
+        QDesktopServices::openUrl(QUrl::fromLocalFile(fileInfo.absoluteFilePath()));
+        return;
+    }
+    fileInfo=QFileInfo(includeTrailingPathDelimiter(pSettings->dirs().appDir())+
+                       QString("cppreference.chm"));
+    if (fileInfo.exists()) {
+        QDesktopServices::openUrl(QUrl::fromLocalFile(fileInfo.absoluteFilePath()));
+        return;
+    }
     if (pSettings->environment().language()=="zh_CN") {
-        QFileInfo fileInfo(includeTrailingPathDelimiter(pSettings->dirs().appDir())+"cppreference-zh.chm");
-        if (fileInfo.exists()) {
-            QDesktopServices::openUrl(QUrl::fromLocalFile(fileInfo.absoluteFilePath()));
-        } else {
-
-            QDesktopServices::openUrl(QUrl("https://zh.cppreference.com/w/cpp"));
-        }
+        QDesktopServices::openUrl(QUrl("https://zh.cppreference.com/w/cpp"));
     } else {
         QDesktopServices::openUrl(QUrl("https://en.cppreference.com/w/cpp"));
     }
@@ -8250,6 +8256,18 @@ void MainWindow::onProblemRunAllCases()
 
 void MainWindow::on_actionC_Reference_triggered()
 {
+    QFileInfo fileInfo(includeTrailingPathDelimiter(pSettings->dirs().appDir())+
+                       QString("cppreference-%1.chm").arg(pSettings->environment().language()));
+    if (fileInfo.exists()) {
+        QDesktopServices::openUrl(QUrl::fromLocalFile(fileInfo.absoluteFilePath()));
+        return;
+    }
+    fileInfo=QFileInfo(includeTrailingPathDelimiter(pSettings->dirs().appDir())+
+                       QString("cppreference.chm"));
+    if (fileInfo.exists()) {
+        QDesktopServices::openUrl(QUrl::fromLocalFile(fileInfo.absoluteFilePath()));
+        return;
+    }
     if (pSettings->environment().language()=="zh_CN") {
         QDesktopServices::openUrl(QUrl("https://zh.cppreference.com/w/c"));
     } else {