From b0529d564a7e91f6c5af59c538b659f5e2ebfc4c Mon Sep 17 00:00:00 2001
From: Matthew Budd <mjbudd77@gmail.com>
Date: Sun, 2 Aug 2020 21:19:32 -0400
Subject: [PATCH] Added pause while cheat window is active checkbox logic.

---
 src/drivers/Qt/CheatsConf.cpp | 42 ++++++++++++++++++++++++++++++++++-
 src/drivers/Qt/CheatsConf.h   |  4 ++++
 2 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/src/drivers/Qt/CheatsConf.cpp b/src/drivers/Qt/CheatsConf.cpp
index 74f61a15..29f9bdaf 100644
--- a/src/drivers/Qt/CheatsConf.cpp
+++ b/src/drivers/Qt/CheatsConf.cpp
@@ -54,6 +54,9 @@ GuiCheatsDialog_t::GuiCheatsDialog_t(QWidget *parent)
 
 	setWindowTitle("Cheat Search");
 
+	pauseWhileActive  = false;
+	wasPausedByCheats = false;
+
 	//resize( 512, 512 );
 
 	// Window Layout Box
@@ -365,7 +368,14 @@ GuiCheatsDialog_t::GuiCheatsDialog_t(QWidget *parent)
 
 	groupBox->setLayout( vbox3 );
 
-	mainLayout->addWidget( cheatSearchFrame );
+	vbox = new QVBoxLayout();
+
+	pauseBox = new QCheckBox( tr("Pause emulation when this window is active") );
+
+	vbox->addWidget( cheatSearchFrame );
+	vbox->addWidget( pauseBox         );
+
+	mainLayout->addLayout( vbox );
 
 	setLayout( mainLayout );
 
@@ -381,6 +391,7 @@ GuiCheatsDialog_t::GuiCheatsDialog_t(QWidget *parent)
 
 	connect( enaCheats, SIGNAL(stateChanged(int)), this, SLOT(globalEnableCheats(int)) );
 	connect( autoSave , SIGNAL(stateChanged(int)), this, SLOT(autoLoadSaveCheats(int)) );
+	connect( pauseBox , SIGNAL(stateChanged(int)), this, SLOT(pauseWindowState(int)) );
 
 	connect( importCheatFileBtn, SIGNAL(clicked(void)), this, SLOT(openCheatFile(void)) );
 
@@ -389,6 +400,12 @@ GuiCheatsDialog_t::GuiCheatsDialog_t(QWidget *parent)
 //----------------------------------------------------------------------------
 GuiCheatsDialog_t::~GuiCheatsDialog_t(void)
 {
+	if (EmulationPaused && wasPausedByCheats)
+	{
+		EmulationPaused = 0;
+		FCEU_printf ("Emulation paused: %d\n", EmulationPaused);
+	}
+	wasPausedByCheats = false;
 
 }
 //----------------------------------------------------------------------------
@@ -881,3 +898,26 @@ void GuiCheatsDialog_t::autoLoadSaveCheats(int state)
 	}
 }
 //----------------------------------------------------------------------------
+void GuiCheatsDialog_t::pauseWindowState(int state)
+{
+	pauseWhileActive = (state != Qt::Unchecked);
+
+	if (pauseWhileActive)
+	{
+		if (EmulationPaused == 0)
+		{
+			EmulationPaused = 1;
+			wasPausedByCheats = true;
+		}
+	}
+	else
+	{
+		if (EmulationPaused && wasPausedByCheats)
+		{
+			EmulationPaused = 0;
+		}
+		wasPausedByCheats = false;
+	}
+	FCEU_printf ("Emulation paused: %d\n", EmulationPaused);
+}
+//----------------------------------------------------------------------------
diff --git a/src/drivers/Qt/CheatsConf.h b/src/drivers/Qt/CheatsConf.h
index 35d1bc48..1adb7b82 100644
--- a/src/drivers/Qt/CheatsConf.h
+++ b/src/drivers/Qt/CheatsConf.h
@@ -53,6 +53,7 @@ class GuiCheatsDialog_t : public QDialog
 		QCheckBox   *useLtVal;
 		QCheckBox   *enaCheats;
 		QCheckBox   *autoSave;
+		QCheckBox   *pauseBox;
 		QTreeWidget *actvCheatList;
 		QTreeWidget *srchResults;
 		QLineEdit   *cheatNameEntry;
@@ -68,6 +69,8 @@ class GuiCheatsDialog_t : public QDialog
 		int  fontCharWidth;
 		int  actvCheatIdx;
 		bool actvCheatRedraw;
+		bool pauseWhileActive;
+		bool wasPausedByCheats;
 
 	private:
 		void showCheatSearchResults(void);
@@ -88,6 +91,7 @@ class GuiCheatsDialog_t : public QDialog
 		void updateCheatParameters(void);
 		void autoLoadSaveCheats(int state);
 		void globalEnableCheats(int state);
+		void pauseWindowState(int state);
 		void actvCheatItemClicked( QTreeWidgetItem *item, int column);
 
 };