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authorStanislaw Halik <sthalik@misaki.pl>2016-08-15 15:35:23 +0200
committerStanislaw Halik <sthalik@misaki.pl>2016-08-16 00:03:42 +0200
commit82f388100bc2aa6244dac34699b9df078f0c8199 (patch)
tree5d8d97baa6c50aab4b6ee336161d526973f37586 /compat/util.hpp
parent77451f10565a622e1ca7f3d39937aae40ec9331d (diff)
compat/util: add robust way to block qt signals
Diffstat (limited to 'compat/util.hpp')
-rw-r--r--compat/util.hpp19
1 files changed, 19 insertions, 0 deletions
diff --git a/compat/util.hpp b/compat/util.hpp
index 1217e654..d2aaa572 100644
--- a/compat/util.hpp
+++ b/compat/util.hpp
@@ -8,6 +8,7 @@
#include <thread>
#include <condition_variable>
+#include <QObject>
#include <QDebug>
#define progn(...) ([&]() { __VA_ARGS__ }())
@@ -22,6 +23,24 @@ void run_in_thread_async(QObject* obj, F&& fun)
QObject::connect(&src, &QObject::destroyed, obj, std::move(fun), Qt::AutoConnection);
}
+class inhibit_qt_signals final
+{
+ QObject& val;
+ bool operate_p;
+
+public:
+ inhibit_qt_signals(QObject& val) : val(val), operate_p(!val.signalsBlocked())
+ {
+ if (operate_p)
+ val.blockSignals(true);
+ }
+ ~inhibit_qt_signals()
+ {
+ if (operate_p)
+ val.blockSignals(false);
+ }
+};
+
namespace detail {
template<typename t>