mewin/nana
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fix bug of scroll.make_page_scroll

Browse Source
This commit is contained in:
Jinhao 2018-02-03 06:28:25 +08:00
parent ebfca14e19
commit 3f7dd3fe3e
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
include/nana/gui/widgets/scroll.hpp
View File

@ -1,7 +1,7 @@
/** /**
* A Scroll Implementation * A Scroll Implementation
* Nana C++ Library(http://www.nanapro.org) * Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2015 Jinhao(cnjinhao@hotmail.com) * Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
* *
* Distributed under the Boost Software License, Version 1.0. * Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at * (See accompanying file LICENSE_1_0.txt or copy at
@ -147,7 +147,7 @@ namespace nana
void step(size_type s) void step(size_type s)
{ {
metrics_.step = s; metrics_.step = (s ? s : 1);
} }
bool make_step(bool forward, unsigned multiple) bool make_step(bool forward, unsigned multiple)
@ -501,7 +501,8 @@ namespace nana
/// @return true if the vlaue is changed. /// @return true if the vlaue is changed.
bool make_page_scroll(bool forward) bool make_page_scroll(bool forward)
{ {
return this->make_step(forward, static_cast<unsigned>(range() - 1)); auto const count = range() / step();
return this->make_step(forward, (count > 2 ? count - 1 : 1));
} }
};//end class scroll };//end class scroll
}//end namespace nana }//end namespace nana