From 8c7d5b5b86652b92e30b7acf08ae103e950784ca Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Sat, 14 Feb 2015 23:01:39 -0800
Subject: [PATCH] GBA: Cheat set disabling

---
 src/gba/cheats.c                | 14 ++++++++++++++
 src/gba/cheats.h                |  1 +
 src/platform/qt/CheatsModel.cpp |  9 ++++++---
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/gba/cheats.c b/src/gba/cheats.c
index a7bcaa1e9..f400c3444 100644
--- a/src/gba/cheats.c
+++ b/src/gba/cheats.c
@@ -424,6 +424,7 @@ void GBACheatSetInit(struct GBACheatSet* set, const char* name) {
 	} else {
 		set->name = 0;
 	}
+	set->enabled = true;
 }
 
 void GBACheatSetDeinit(struct GBACheatSet* set) {
@@ -693,6 +694,7 @@ bool GBACheatParseFile(struct GBACheatDevice* device, struct VFile* vf) {
 	struct GBACheatSet* set = 0;
 	struct GBACheatSet* newSet;
 	int gsaVersion = 0;
+	bool nextDisabled = false;
 	while (true) {
 		size_t i = 0;
 		ssize_t bytesRead = vf->readline(vf, cheat, sizeof(cheat));
@@ -712,6 +714,8 @@ bool GBACheatParseFile(struct GBACheatDevice* device, struct VFile* vf) {
 			} while (isspace(cheat[i]));
 			newSet = malloc(sizeof(*set));
 			GBACheatSetInit(newSet, &cheat[i]);
+			newSet->enabled = !nextDisabled;
+			nextDisabled = false;
 			if (set) {
 				GBACheatAddSet(device, set);
 				newSet->gsaVersion = set->gsaVersion;
@@ -732,12 +736,19 @@ bool GBACheatParseFile(struct GBACheatDevice* device, struct VFile* vf) {
 			if (strncasecmp(&cheat[i], "GSAv", 4) == 0 || strncasecmp(&cheat[i], "PARv", 4) == 0) {
 				i += 4;
 				gsaVersion = atoi(&cheat[i]);
+				break;
+			}
+			if (strcasecmp(&cheat[i], "disabled") == 0) {
+				nextDisabled = true;
+				break;
 			}
 			break;
 		default:
 			if (!set) {
 				set = malloc(sizeof(*set));
 				GBACheatSetInit(set, 0);
+				set->enabled = !nextDisabled;
+				nextDisabled = false;
 				_setGameSharkVersion(set, gsaVersion);
 			}
 			GBACheatAddLine(set, cheat);
@@ -779,6 +790,9 @@ bool GBACheatAddLine(struct GBACheatSet* cheats, const char* line) {
 }
 
 void GBACheatRefresh(struct GBACheatDevice* device, struct GBACheatSet* cheats) {
+	if (!cheats->enabled) {
+		return;
+	}
 	bool condition = true;
 	int conditionRemaining = 0;
 	_patchROM(device, cheats);
diff --git a/src/gba/cheats.h b/src/gba/cheats.h
index 213f7f4b3..a2cdfae28 100644
--- a/src/gba/cheats.h
+++ b/src/gba/cheats.h
@@ -163,6 +163,7 @@ struct GBACheatSet {
 	int remainingAddresses;
 
 	char* name;
+	bool enabled;
 	struct StringList lines;
 };
 
diff --git a/src/platform/qt/CheatsModel.cpp b/src/platform/qt/CheatsModel.cpp
index 7437eb74d..572b6fdcd 100644
--- a/src/platform/qt/CheatsModel.cpp
+++ b/src/platform/qt/CheatsModel.cpp
@@ -46,7 +46,7 @@ QVariant CheatsModel::data(const QModelIndex& index, int role) const {
 	case Qt::EditRole:
 		return cheats->name ? cheats->name : tr("(untitled)");
 	case Qt::CheckStateRole:
-		return Qt::Checked;
+		return cheats->enabled ? Qt::Checked : Qt::Unchecked;
 	default:
 		return QVariant();
 	}
@@ -67,9 +67,12 @@ bool CheatsModel::setData(const QModelIndex& index, const QVariant& value, int r
 			cheats->name = nullptr;
 		}
 		cheats->name = strdup(value.toString().toLocal8Bit().constData());
+		emit dataChanged(index, index);
 		return true;
 	case Qt::CheckStateRole:
-		return false;
+		cheats->enabled = value == Qt::Checked;
+		emit dataChanged(index, index);
+		return true;
 	default:
 		return false;
 	}
@@ -108,7 +111,7 @@ Qt::ItemFlags CheatsModel::flags(const QModelIndex &index) const {
 		return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
 	}
 
-	return Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+	return Qt::ItemIsUserCheckable | Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable;
 }
 
 int CheatsModel::columnCount(const QModelIndex& parent) const {