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fix bug that listbox item automatically deselected

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item automatically are deselected when release mouse after mouse
selection(develop-1.7)
This commit is contained in:
Jinhao 2019-01-19 03:09:52 +08:00
parent 14987b9b74
commit 5935ce2036
1 changed files with 7 additions and 2 deletions
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9
source/gui/widgets/listbox.cpp
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@ -1,7 +1,7 @@
/*
* A List Box Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2019 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
@ -4110,11 +4110,13 @@ namespace nana
essence_->draw_peripheral();
}
// In mouse move event, it cancels the msup_deselect if the listbox is draggable or it started the mouse selection.
void trigger::mouse_move(graph_reference graph, const arg_mouse& arg)
{
using item_state = essence::item_state;
using parts = essence::parts;
//Don't deselect the items if the listbox is draggable
if ((operation_states::msup_deselect == essence_->operation.state) && API::dev::window_draggable(arg.window_handle))
essence_->operation.state = operation_states::none;
@ -4168,6 +4170,9 @@ namespace nana
if (essence_->mouse_selection.started)
{
essence_->update_mouse_selection(arg.pos);
//Don't deselect items if the mouse selection is started
essence_->operation.state = operation_states::none;
need_refresh = true;
}
@ -4411,7 +4416,7 @@ namespace nana
essence_->stop_mouse_selection();
need_refresh = true;
}
if (operation_states::msup_deselect == essence_->operation.state)
{
essence_->operation.state = operation_states::none;