feat: add "clear cache" button to settings (#3277)

Co-authored-by: Leon Richardt <leon.richardt@gmail.com>
Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

CHANGELOG.md

@@ -24,6 +24,7 @@
 - Minor: Added chatter count to viewer list popout (#3261)
 - Minor: Added highlights for first messages (#3267)
 - Minor: Ignore out of bounds check for tiling wms (#3270)
+- Minor: Add clear cache button to cache settings section (#3277)
 - Minor: Added `flags.first_message` filter variable (#3292)
 - Minor: Removed duplicate setting for toggling `Channel Point Redeemed Message` highlights (#3296)
 - Minor: Clean up chat messages of special line characters prior to sending. (#3312)

src/widgets/settingspages/GeneralPage.cpp

@@ -503,6 +503,20 @@ void GeneralPage::initLayout(GeneralPageView &layout)
         box->addWidget(layout.makeButton("Reset", []() {
             getSettings()->cachePath = "";
         }));
+        box->addWidget(layout.makeButton("Clear Cache", [&layout]() {
+            auto reply = QMessageBox::question(
+                layout.window(), "Clear cache",
+                "Are you sure that you want to clear your cache? Emotes may "
+                "take longer to load next time Chatterino is started.",
+                QMessageBox::Yes | QMessageBox::No);
+
+            if (reply == QMessageBox::Yes)
+            {
+                auto cacheDir = QDir(getPaths()->cacheDirectory());
+                cacheDir.removeRecursively();
+                cacheDir.mkdir(getPaths()->cacheDirectory());
+            }
+        }));
         box->addStretch(1);
 
         layout.addLayout(box);