Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Make radio button navigation functions const

Browse Source 
This requires adding a couple of const_cast<>s in their implementation
in order to still allow them returning non-const wxRadioButton pointers,
but this seems preferable to not being able to call them on a const
wxRadioButton in the first place.
This commit is contained in:
Vadim Zeitlin
2020-09-21 15:36:41 +02:00
parent b5fb9bd8d6
commit 1a4f628e40
3 changed files with 24 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
include/wx/radiobut.h
View File

@@ -36,10 +36,10 @@ class WXDLLIMPEXP_FWD_CORE wxRadioButton;
namespace wxPrivate
{
WXDLLIMPEXP_CORE wxRadioButton* wxGetNextButtonInGroup(wxRadioButton *btn);
WXDLLIMPEXP_CORE wxRadioButton* wxGetPreviousButtonInGroup(wxRadioButton *btn);
WXDLLIMPEXP_CORE wxRadioButton* wxGetFirstButtonInGroup(wxRadioButton *btn);
WXDLLIMPEXP_CORE wxRadioButton* wxGetLastButtonInGroup(wxRadioButton *btn);
WXDLLIMPEXP_CORE wxRadioButton* wxGetNextButtonInGroup(const wxRadioButton *btn);
WXDLLIMPEXP_CORE wxRadioButton* wxGetPreviousButtonInGroup(const wxRadioButton *btn);
WXDLLIMPEXP_CORE wxRadioButton* wxGetFirstButtonInGroup(const wxRadioButton *btn);
WXDLLIMPEXP_CORE wxRadioButton* wxGetLastButtonInGroup(const wxRadioButton *btn);
} // namespace wxPrivate
template <class W>
@@ -50,24 +50,24 @@ public:
wxRadioButtonBase() { }
wxRadioButton* GetFirstInGroup()
wxRadioButton* GetFirstInGroup() const
{
return wxPrivate::wxGetFirstButtonInGroup( static_cast<wxRadioButton*>(this));
return wxPrivate::wxGetFirstButtonInGroup(static_cast<const wxRadioButton*>(this));
}
wxRadioButton* GetLastInGroup()
wxRadioButton* GetLastInGroup() const
{
return wxPrivate::wxGetLastButtonInGroup( static_cast<wxRadioButton*>(this));
return wxPrivate::wxGetLastButtonInGroup(static_cast<const wxRadioButton*>(this));
}
wxRadioButton* GetPreviousInGroup()
wxRadioButton* GetPreviousInGroup() const
{
return wxPrivate::wxGetPreviousButtonInGroup( static_cast<wxRadioButton*>(this));
return wxPrivate::wxGetPreviousButtonInGroup(static_cast<const wxRadioButton*>(this));
}
wxRadioButton* GetNextInGroup()
wxRadioButton* GetNextInGroup() const
{
return wxPrivate::wxGetNextButtonInGroup( static_cast<wxRadioButton*>(this));
return wxPrivate::wxGetNextButtonInGroup(static_cast<const wxRadioButton*>(this));
}
private:

8
interface/wx/radiobut.h
View File

@@ -139,7 +139,7 @@ public:
@since 3.1.5
*/
wxRadioButton* GetFirstInGroup();
wxRadioButton* GetFirstInGroup() const;
/**
Returns the last radio button of the @c wxRB_GROUP this instance is in.
@@ -150,7 +150,7 @@ public:
@since 3.1.5
*/
wxRadioButton* GetLastInGroup();
wxRadioButton* GetLastInGroup() const;
/**
Returns the previous radio button of the @c wxRB_GROUP this instance is in.
@@ -162,7 +162,7 @@ public:
@since 3.1.5
*/
wxRadioButton* GetPreviousInGroup();
wxRadioButton* GetPreviousInGroup() const;
/**
Returns the next radio button of the @c wxRB_GROUP this instance is in.
@@ -174,6 +174,6 @@ public:
@since 3.1.5
*/
wxRadioButton* GetNextInGroup();
wxRadioButton* GetNextInGroup() const;
};

16
src/common/containr.cpp
View File

@@ -246,7 +246,7 @@ void wxControlContainer::SetLastFocus(wxWindow *win)
namespace wxPrivate
{
wxRadioButton* wxGetPreviousButtonInGroup(wxRadioButton *btn)
wxRadioButton* wxGetPreviousButtonInGroup(const wxRadioButton *btn)
{
if ( btn->HasFlag(wxRB_GROUP) || btn->HasFlag(wxRB_SINGLE) )
return NULL;
@@ -276,7 +276,7 @@ wxRadioButton* wxGetPreviousButtonInGroup(wxRadioButton *btn)
return prevBtn;
}
wxRadioButton* wxGetNextButtonInGroup(wxRadioButton *btn)
wxRadioButton* wxGetNextButtonInGroup(const wxRadioButton *btn)
{
if (btn->HasFlag(wxRB_SINGLE))
return NULL;
@@ -306,35 +306,35 @@ wxRadioButton* wxGetNextButtonInGroup(wxRadioButton *btn)
return nextBtn;
}
wxRadioButton* wxGetFirstButtonInGroup(wxRadioButton *btn)
wxRadioButton* wxGetFirstButtonInGroup(const wxRadioButton *btn)
{
while (true)
{
wxRadioButton* prevBtn = wxGetPreviousButtonInGroup(btn);
if (!prevBtn)
return btn;
return const_cast<wxRadioButton*>(btn);
btn = prevBtn;
}
}
wxRadioButton* wxGetLastButtonInGroup(wxRadioButton *btn)
wxRadioButton* wxGetLastButtonInGroup(const wxRadioButton *btn)
{
while (true)
{
wxRadioButton* nextBtn = wxGetNextButtonInGroup(btn);
if (!nextBtn)
return btn;
return const_cast<wxRadioButton*>(btn);
btn = nextBtn;
}
}
wxRadioButton* wxGetSelectedButtonInGroup(wxRadioButton *btn)
wxRadioButton* wxGetSelectedButtonInGroup(const wxRadioButton *btn)
{
// Find currently selected button
if (btn->GetValue())
return btn;
return const_cast<wxRadioButton*>(btn);
if (btn->HasFlag(wxRB_SINGLE))
return NULL;