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add scroll_operation_interface

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Jinhao
2018-04-21 03:49:15 +08:00
parent 2cf374705f
commit 0c7e8a8ca2
13 changed files with 258 additions and 203 deletions
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12
source/gui/widgets/textbox.cpp
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@@ -1,7 +1,7 @@
/*
* A Textbox Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
@@ -816,6 +816,16 @@ namespace drawerbase {
if(editor)
editor->reset_caret_pixels();
}
std::shared_ptr<scroll_operation_interface> textbox::_m_scroll_operation() const
{
internal_scope_guard lock;
auto editor = get_drawer_trigger().editor();
if (editor)
return editor->scroll_operation();
return {};
}
//end class textbox
}//end namespace nana