added pause while key is down

lib/appbase/common/ChatterinoSetting.hpp

@@ -51,4 +51,38 @@ using IntSetting = ChatterinoSetting<int>;
 using StringSetting = ChatterinoSetting<std::string>;
 using QStringSetting = ChatterinoSetting<QString>;
 
+template <typename Enum>
+class EnumSetting
+    : public ChatterinoSetting<typename std::underlying_type<Enum>::type>
+{
+    using Underlying = typename std::underlying_type<Enum>::type;
+
+public:
+    using ChatterinoSetting<Underlying>::ChatterinoSetting;
+
+    EnumSetting(const std::string &path, const Enum &defaultValue)
+        : ChatterinoSetting<Underlying>(path, Underlying(defaultValue))
+    {
+        _registerSetting(this->getData());
+    }
+
+    template <typename T2>
+    EnumSetting<Enum> &operator=(Enum newValue)
+    {
+        this->setValue(Underlying(newValue));
+
+        return *this;
+    }
+
+    operator Enum()
+    {
+        return Enum(this->getValue());
+    }
+
+    Enum getEnum()
+    {
+        return Enum(this->getValue());
+    }
+};
+
 }  // namespace AB_NAMESPACE

src/singletons/Settings.hpp

@@ -103,6 +103,8 @@ public:
         "/behaviour/autocompletion/prefixOnlyCompletion", true};
 
     BoolSetting pauseChatOnHover = {"/behaviour/pauseChatHover", false};
+    EnumSetting<Qt::KeyboardModifier> pauseChatModifier = {
+        "/behaviour/pauseChatModifier", Qt::KeyboardModifier::NoModifier};
     BoolSetting autorun = {"/behaviour/autorun", false};
     BoolSetting mentionUsersWithComma = {"/behaviour/mentionUsersWithComma",
                                          true};

src/widgets/helper/ChannelView.hpp

@@ -44,6 +44,7 @@ enum class PauseReason {
     Mouse,
     Selection,
     DoubleClick,
+    KeyboardModifier,
 };
 
 using SteadyClock = std::chrono::steady_clock;

src/widgets/settingspages/GeneralPage.cpp

@@ -21,9 +21,56 @@
 #define FIREFOX_EXTENSION_LINK \
     "https://addons.mozilla.org/en-US/firefox/addon/chatterino-native-host/"
 
+// define to highlight sections in editor
 #define addTitle addTitle
 
+#ifdef Q_OS_WIN
+#    define META_KEY "Windows"
+#else
+#    define META_KEY "Meta"
+#endif
+
 namespace chatterino {
+namespace {
+    void addKeyboardModifierSetting(SettingsLayout &layout,
+                                    const QString &title,
+                                    EnumSetting<Qt::KeyboardModifier> &setting)
+    {
+        layout.addDropdown<int>(
+            title, {"None", "Shift", "Control", "Alt", META_KEY}, setting,
+            [](int index) {
+                switch (index)
+                {
+                    case Qt::ShiftModifier:
+                        return 1;
+                    case Qt::ControlModifier:
+                        return 2;
+                    case Qt::AltModifier:
+                        return 3;
+                    case Qt::MetaModifier:
+                        return 4;
+                    default:
+                        return 0;
+                }
+            },
+            [](DropdownArgs args) {
+                switch (args.index)
+                {
+                    case 1:
+                        return Qt::ShiftModifier;
+                    case 2:
+                        return Qt::ControlModifier;
+                    case 3:
+                        return Qt::AltModifier;
+                    case 4:
+                        return Qt::MetaModifier;
+                    default:
+                        return Qt::NoModifier;
+                }
+            },
+            false);
+    }
+}  // namespace
 
 TitleLabel *SettingsLayout::addTitle(const QString &title)
 {
@@ -273,6 +320,8 @@ void GeneralPage::initLayout(SettingsLayout &layout)
     layout.addCheckbox("Smooth scrolling on new messages",
                        s.enableSmoothScrollingNewMessages);
     layout.addCheckbox("Pause on hover", s.pauseChatOnHover);
+    addKeyboardModifierSetting(layout, "Pause while holding a key",
+                               s.pauseChatModifier);
     layout.addCheckbox("Show input when it's empty", s.showEmptyInput);
     layout.addCheckbox("Show message length while typing", s.showMessageLength);
     if (!BaseWindow::supportsCustomWindowFrame())

src/widgets/splits/Split.cpp

@@ -188,6 +188,16 @@ Split::Split(QWidget *parent)
         {
             this->overlay_->hide();
         }
+
+        if (getSettings()->pauseChatModifier.getEnum() != Qt::NoModifier &&
+            status == getSettings()->pauseChatModifier.getEnum())
+        {
+            this->view_->pause(PauseReason::KeyboardModifier);
+        }
+        else
+        {
+            this->view_->unpause(PauseReason::KeyboardModifier);
+        }
     });
 
     this->input_->ui_.textEdit->focused.connect(