From 45050709f289603ed76b6a25d111ea411c1d647a Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Sun, 22 Mar 2020 00:49:55 +1000
Subject: [PATCH] Qt: Add support for clearing input bindings with right click

---
 src/duckstation-qt/inputbindingwidgets.cpp | 20 ++++++++++++++++++++
 src/duckstation-qt/inputbindingwidgets.h   |  2 ++
 2 files changed, 22 insertions(+)

diff --git a/src/duckstation-qt/inputbindingwidgets.cpp b/src/duckstation-qt/inputbindingwidgets.cpp
index 166ee3330..453a02502 100644
--- a/src/duckstation-qt/inputbindingwidgets.cpp
+++ b/src/duckstation-qt/inputbindingwidgets.cpp
@@ -4,6 +4,7 @@
 #include "qthostinterface.h"
 #include "qtutils.h"
 #include <QtCore/QTimer>
+#include <QtGui/QMouseEvent>
 #include <QtGui/QKeyEvent>
 #include <cmath>
 
@@ -34,6 +35,17 @@ bool InputBindingWidget::eventFilter(QObject* watched, QEvent* event)
   return false;
 }
 
+void InputBindingWidget::mouseReleaseEvent(QMouseEvent* e)
+{
+  if (e->button() == Qt::RightButton)
+  {
+    clearBinding();
+    return;
+  }
+
+  QPushButton::mouseReleaseEvent(e);
+}
+
 void InputBindingWidget::setNewBinding()
 {
   if (m_new_binding_value.isEmpty())
@@ -46,6 +58,14 @@ void InputBindingWidget::setNewBinding()
   m_new_binding_value.clear();
 }
 
+void InputBindingWidget::clearBinding()
+{
+  m_current_binding_value.clear();
+  m_host_interface->removeSettingValue(m_setting_name);
+  m_host_interface->updateInputMap();
+  setText(m_current_binding_value);
+}
+
 void InputBindingWidget::onPressed()
 {
   if (isListeningForInput())
diff --git a/src/duckstation-qt/inputbindingwidgets.h b/src/duckstation-qt/inputbindingwidgets.h
index 865bad197..a6c7f8015 100644
--- a/src/duckstation-qt/inputbindingwidgets.h
+++ b/src/duckstation-qt/inputbindingwidgets.h
@@ -16,6 +16,7 @@ public:
 
 protected:
   virtual bool eventFilter(QObject* watched, QEvent* event) override;
+  virtual void mouseReleaseEvent(QMouseEvent* e) override;
 
 protected Q_SLOTS:
   void onPressed();
@@ -27,6 +28,7 @@ protected:
 
   bool isListeningForInput() const { return m_input_listen_timer != nullptr; }
   void setNewBinding();
+  void clearBinding();
 
   QtHostInterface* m_host_interface;
   QString m_setting_name;