implement qaction hotkey support on controller

src/citra_qt/citra_qt.cpp

@@ -782,6 +782,7 @@ void GMainWindow::InitializeHotkeys() {
         this->addAction(action);
         if (!primary_only)
             secondary_window->addAction(action);
+        hotkey_registry.SetAction(main_window, action_name, action);
     };
 
     link_action_shortcut(ui->action_Load_File, QStringLiteral("Load File"));

src/citra_qt/hotkey_monitor.cpp

@@ -54,6 +54,9 @@ void ControllerHotkeyMonitor::checkAllButtons() {
             it.lastStatus = currentStatus;
         }
         if (trigger) {
+            if (it.hk->action) {
+                it.hk->action->trigger();
+            }
             for (auto const& [name, hotkey_shortcut] : it.hk->shortcuts) {
                 if (hotkey_shortcut && hotkey_shortcut->isEnabled()) {
                     QWidget* parent = qobject_cast<QWidget*>(hotkey_shortcut->parent());

src/citra_qt/hotkeys.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <QAction>
 #include <QShortcut>
 #include <QtGlobal>
 #include "citra_qt/hotkeys.h"
@@ -77,3 +78,8 @@ Qt::ShortcutContext HotkeyRegistry::GetShortcutContext(const QString& group,
     Hotkey& hk = hotkey_groups[group][action];
     return hk.context;
 }
+
+void HotkeyRegistry::SetAction(const QString& group, const QString& action_name, QAction* action) {
+    Hotkey& hk = hotkey_groups[group][action_name];
+    hk.action = action;
+}

src/citra_qt/hotkeys.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <map>
+#include <QAction>
 #include <QKeySequence>
 #include <QString>
 #include "core/frontend/input.h"
@@ -22,6 +23,7 @@ struct Hotkey {
     Qt::ShortcutContext context = Qt::WindowShortcut;
     std::unique_ptr<Input::ButtonDevice> button_device = nullptr;
     std::unique_ptr<Input::ButtonDevice> button_device2 = nullptr;
+    QAction* action = nullptr;
 };
 
 class HotkeyRegistry final {
@@ -80,6 +82,15 @@ public:
      */
     Qt::ShortcutContext GetShortcutContext(const QString& group, const QString& action);
 
+    /**
+     * Stores a QAction into the appropriate hotkey, for triggering by controller
+     *
+     * @param group General group this shortcut context belongs to
+     * @param action_name Name of the action
+     * @param action The QAction to store
+     */
+    void SetAction(const QString& group, const QString& action_name, QAction* action);
+
 private:
     using HotkeyMap = std::map<QString, Hotkey>;
     using HotkeyGroupMap = std::map<QString, HotkeyMap>;