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screen: provide const main() overload

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This commit is contained in:
Andrzej Rybczak
2015-05-17 22:04:50 +02:00
parent 2caf08aaa7
commit c7fe74dd66
2 changed files with 7 additions and 1 deletions
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1
src/helpers.cpp
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@@ -21,6 +21,7 @@
#include <algorithm> #include <algorithm>
#include <time.h> #include <time.h>
#include "enums.h"
#include "helpers.h" #include "helpers.h"
#include "playlist.h" #include "playlist.h"
#include "statusbar.h" #include "statusbar.h"

7
src/screen.h
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@@ -120,7 +120,9 @@ bool isVisible(BaseScreen *screen);
template <typename WindowT> struct Screen : public BaseScreen template <typename WindowT> struct Screen : public BaseScreen
{ {
typedef WindowT WindowType; typedef WindowT WindowType;
typedef typename std::add_lvalue_reference<WindowType>::type WindowReference; typedef typename std::add_lvalue_reference<
WindowType
>::type WindowReference;
typedef typename std::add_lvalue_reference< typedef typename std::add_lvalue_reference<
typename std::add_const<WindowType>::type typename std::add_const<WindowType>::type
>::type ConstWindowReference; >::type ConstWindowReference;
@@ -201,6 +203,9 @@ public:
WindowReference main() { WindowReference main() {
return w; return w;
} }
ConstWindowReference main() const {
return w;
}
protected: protected:
/// Template parameter that should indicate the main type /// Template parameter that should indicate the main type