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Listbox: added getter to check if any row is visible

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This commit is contained in:
Charles Dang 2016-09-08 07:43:45 +11:00
parent a281e16bc4
commit 9ea794e5a4
2 changed files with 12 additions and 0 deletions
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10
src/gui/widgets/listbox.cpp
View file

@ -223,6 +223,16 @@ std::vector<bool> tlistbox::get_rows_shown() const
return shown;
}
bool tlistbox::any_rows_shown() const
{
for(size_t i = 0; i < get_item_count(); i++) {
if(generator_->get_item_shown(i)) {
return true;
}
}
return false;
}
const tgrid* tlistbox::get_row_grid(const unsigned row) const
{
assert(generator_);

2
src/gui/widgets/listbox.hpp
View file

@ -149,6 +149,8 @@ public:
*/
std::vector<bool> get_rows_shown() const;
bool any_rows_shown() const;
/**
* Returns the grid of the wanted row.
*