Create a CREATE_INSTANCE_METHOD macro

This is just to simplify the creation of more filters.
more macros will be used, because I tend to abuse them.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 12 insertions, 17 deletions

diff --git a/qt-ui/filtermodels.cpp b/qt-ui/filtermodels.cpp
index 3dabc80cc..a60b2c04f 100644
--- a/qt-ui/filtermodels.cpp
+++ b/qt-ui/filtermodels.cpp
@@ -4,14 +4,21 @@
 #include "mainwindow.h"
 #include "display.h"
 
-TagFilterModel::TagFilterModel(QObject *parent) : QStringListModel(parent)
-{
+#define CREATE_INSTANCE_METHOD( CLASS ) \
+CLASS *CLASS::instance() \
+{ \
+	static CLASS *self = new CLASS(); \
+	return self; \
 }
 
-TagFilterModel *TagFilterModel::instance()
+CREATE_INSTANCE_METHOD(TagFilterModel);
+CREATE_INSTANCE_METHOD(BuddyFilterModel);
+CREATE_INSTANCE_METHOD(LocationFilterModel);
+
+#undef CREATE_INSTANCE_METHOD
+
+TagFilterModel::TagFilterModel(QObject *parent) : QStringListModel(parent)
 {
-	static TagFilterModel *self = new TagFilterModel();
-	return self;
 }
 
 QVariant TagFilterModel::data(const QModelIndex &index, int role) const
@@ -126,12 +133,6 @@ BuddyFilterModel::BuddyFilterModel(QObject *parent) : QStringListModel(parent)
 {
 }
 
-BuddyFilterModel *BuddyFilterModel::instance()
-{
-	static BuddyFilterModel *self = new BuddyFilterModel();
-	return self;
-}
-
 bool BuddyFilterModel::doFilter(dive *d, QModelIndex &index0, QAbstractItemModel *sourceModel) const
 {
 	// If there's nothing checked, this should show everything
@@ -316,12 +317,6 @@ Qt::ItemFlags LocationFilterModel::flags(const QModelIndex &index) const
 	return QStringListModel::flags(index) | Qt::ItemIsUserCheckable;
 }
 
-LocationFilterModel *LocationFilterModel::instance()
-{
-	static LocationFilterModel *self = new LocationFilterModel();
-	return self;
-}
-
 void LocationFilterModel::repopulate()
 {
 	QStringList list;