Merge pull request #12815 from Dentomologist/enable_hotkeys_and_controllers_for_focused_tas_input

TAS Input: Enable emulator hotkeys and controller input when TAS Input window has focus

Source/Core/DolphinQt/Host.cpp

@@ -162,6 +162,11 @@ bool Host::GetGBAFocus()
 #endif
 }
 
+bool Host::GetTASInputFocus() const
+{
+  return m_tas_input_focus;
+}
+
 bool Host::GetRenderFullscreen()
 {
   return m_render_fullscreen;
@@ -177,6 +182,11 @@ void Host::SetRenderFullscreen(bool fullscreen)
   }
 }
 
+void Host::SetTASInputFocus(const bool focus)
+{
+  m_tas_input_focus = focus;
+}
+
 void Host::ResizeSurface(int new_width, int new_height)
 {
   if (g_presenter)
@@ -228,6 +238,11 @@ bool Host_RendererIsFullscreen()
   return Host::GetInstance()->GetRenderFullscreen();
 }
 
+bool Host_TASInputHasFocus()
+{
+  return Host::GetInstance()->GetTASInputFocus();
+}
+
 void Host_YieldToUI()
 {
   qApp->processEvents(QEventLoop::ExcludeUserInputEvents);

Source/Core/DolphinQt/Host.h

@@ -25,12 +25,14 @@ public:
   bool GetRenderFullFocus();
   bool GetRenderFullscreen();
   bool GetGBAFocus();
+  bool GetTASInputFocus() const;
 
   void SetMainWindowHandle(void* handle);
   void SetRenderHandle(void* handle);
   void SetRenderFocus(bool focus);
   void SetRenderFullFocus(bool focus);
   void SetRenderFullscreen(bool fullscreen);
+  void SetTASInputFocus(bool focus);
   void ResizeSurface(int new_width, int new_height);
 
 signals:
@@ -49,4 +51,5 @@ private:
   std::atomic<bool> m_render_focus{false};
   std::atomic<bool> m_render_full_focus{false};
   std::atomic<bool> m_render_fullscreen{false};
+  std::atomic<bool> m_tas_input_focus{false};
 };

Source/Core/DolphinQt/TAS/TASInputWindow.cpp

@@ -6,7 +6,9 @@
 #include <cmath>
 #include <utility>
 
+#include <QApplication>
 #include <QCheckBox>
+#include <QEvent>
 #include <QGroupBox>
 #include <QHBoxLayout>
 #include <QLabel>
@@ -17,6 +19,7 @@
 
 #include "Common/CommonTypes.h"
 
+#include "DolphinQt/Host.h"
 #include "DolphinQt/QtUtils/AspectRatioWidget.h"
 #include "DolphinQt/QtUtils/QueueOnObject.h"
 #include "DolphinQt/Resources.h"
@@ -268,3 +271,16 @@ std::optional<ControlState> TASInputWindow::GetSpinBox(TASSpinBox* spin, int zer
 
   return (spin->GetValue() - zero) / scale;
 }
+
+void TASInputWindow::changeEvent(QEvent* const event)
+{
+  if (event->type() == QEvent::ActivationChange)
+  {
+    const bool active_window_is_tas_input =
+        qobject_cast<TASInputWindow*>(QApplication::activeWindow()) != nullptr;
+
+    // Switching between TAS Input windows will call SetTASInputFocus(true) twice, but that's fine.
+    Host::GetInstance()->SetTASInputFocus(active_window_is_tas_input);
+  }
+  QDialog::changeEvent(event);
+}

Source/Core/DolphinQt/TAS/TASInputWindow.h

@@ -18,6 +18,7 @@
 class QBoxLayout;
 class QCheckBox;
 class QDialog;
+class QEvent;
 class QGroupBox;
 class QSpinBox;
 class QString;
@@ -68,6 +69,8 @@ protected:
                                     QKeySequence shortcut_key_sequence, Qt::Orientation orientation,
                                     QWidget* shortcut_widget);
 
+  void changeEvent(QEvent* event) override;
+
   QGroupBox* m_settings_box;
   QCheckBox* m_use_controller;
   QSpinBox* m_turbo_press_frames;