1 files changed, 63 insertions, 5 deletions

diff --git a/src/yuzu/configuration/configuration_shared.cpp b/src/yuzu/configuration/configuration_shared.cpp
index bb47c3933..18482795c 100644
--- a/src/yuzu/configuration/configuration_shared.cpp
+++ b/src/yuzu/configuration/configuration_shared.cpp
@@ -4,17 +4,20 @@
 
 #include <QCheckBox>
 #include <QComboBox>
+#include <QObject>
+#include <QString>
 #include "core/settings.h"
 #include "yuzu/configuration/configuration_shared.h"
 #include "yuzu/configuration/configure_per_game.h"
 
 void ConfigurationShared::ApplyPerGameSetting(Settings::Setting<bool>* setting,
-                                              const QCheckBox* checkbox) {
-    if (checkbox->checkState() == Qt::PartiallyChecked) {
+                                              const QCheckBox* checkbox,
+                                              const CheckState& tracker) {
+    if (tracker == CheckState::Global) {
         setting->SetGlobal(true);
     } else {
         setting->SetGlobal(false);
-        setting->SetValue(checkbox->checkState() == Qt::Checked);
+        setting->SetValue(checkbox->checkState());
     }
 }
 
@@ -69,8 +72,63 @@ void ConfigurationShared::SetPerGameSetting(
                                                            ConfigurationShared::USE_GLOBAL_OFFSET);
 }
 
-void ConfigurationShared::InsertGlobalItem(QComboBox* combobox) {
-    const QString use_global_text = ConfigurePerGame::tr("Use global configuration");
+void ConfigurationShared::SetHighlight(QWidget* widget, bool highlighted) {
+    if (highlighted) {
+        widget->setStyleSheet(QStringLiteral("QWidget#%1 { background-color:rgba(0,203,255,0.5) }")
+                                  .arg(widget->objectName()));
+    } else {
+        widget->setStyleSheet(QStringLiteral("QWidget#%1 { background-color:rgba(0,0,0,0) }")
+                                  .arg(widget->objectName()));
+    }
+    widget->show();
+}
+
+void ConfigurationShared::SetColoredTristate(QCheckBox* checkbox,
+                                             const Settings::Setting<bool>& setting,
+                                             CheckState& tracker) {
+    if (setting.UsingGlobal()) {
+        tracker = CheckState::Global;
+    } else {
+        tracker = (setting.GetValue() == setting.GetValue(true)) ? CheckState::On : CheckState::Off;
+    }
+    SetHighlight(checkbox, tracker != CheckState::Global);
+    QObject::connect(checkbox, &QCheckBox::clicked, checkbox, [checkbox, setting, &tracker] {
+        tracker = static_cast<CheckState>((static_cast<int>(tracker) + 1) %
+                                          static_cast<int>(CheckState::Count));
+        if (tracker == CheckState::Global) {
+            checkbox->setChecked(setting.GetValue(true));
+        }
+        SetHighlight(checkbox, tracker != CheckState::Global);
+    });
+}
+
+void ConfigurationShared::SetColoredTristate(QCheckBox* checkbox, bool global, bool state,
+                                             bool global_state, CheckState& tracker) {
+    if (global) {
+        tracker = CheckState::Global;
+    } else {
+        tracker = (state == global_state) ? CheckState::On : CheckState::Off;
+    }
+    SetHighlight(checkbox, tracker != CheckState::Global);
+    QObject::connect(checkbox, &QCheckBox::clicked, checkbox, [checkbox, global_state, &tracker] {
+        tracker = static_cast<CheckState>((static_cast<int>(tracker) + 1) %
+                                          static_cast<int>(CheckState::Count));
+        if (tracker == CheckState::Global) {
+            checkbox->setChecked(global_state);
+        }
+        SetHighlight(checkbox, tracker != CheckState::Global);
+    });
+}
+
+void ConfigurationShared::SetColoredComboBox(QComboBox* combobox, QWidget* target, int global) {
+    InsertGlobalItem(combobox, global);
+    QObject::connect(combobox, qOverload<int>(&QComboBox::activated), target,
+                     [target](int index) { SetHighlight(target, index != 0); });
+}
+
+void ConfigurationShared::InsertGlobalItem(QComboBox* combobox, int global_index) {
+    const QString use_global_text =
+        ConfigurePerGame::tr("Use global configuration (%1)").arg(combobox->itemText(global_index));
     combobox->insertItem(ConfigurationShared::USE_GLOBAL_INDEX, use_global_text);
     combobox->insertSeparator(ConfigurationShared::USE_GLOBAL_SEPARATOR_INDEX);
 }