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enhance the performance of nana

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This commit is contained in:
Jinhao
2019-04-13 00:03:40 +08:00
parent cff5a0e1c4
commit cff318d182
8 changed files with 140 additions and 75 deletions
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38
source/gui/detail/basic_window.cpp
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@@ -336,6 +336,43 @@ namespace nana
flags.action = act;
}
bool basic_window::try_lazy_update(bool try_refresh)
{
if (drawer.graphics.empty())
return true;
if (!this->root_widget->other.attribute.root->lazy_update)
return false;
if (nullptr == effect.bground)
{
if (try_refresh)
{
flags.refreshing = true;
drawer.refresh();
flags.refreshing = false;
}
}
for (auto i = this->root_widget->other.attribute.root->update_requesters.cbegin(); i != this->root_widget->other.attribute.root->update_requesters.cend();)
{
auto req = *i;
//Avoid redundancy, don't insert the window if it or its ancestor window already exist in the container.
if ((req == this) || req->is_ancestor_of(this))
return true;
//If there is a window which is a child or child's child of the window, remove it.
if (this->is_ancestor_of(req))
i = this->root_widget->other.attribute.root->update_requesters.erase(i);
else
++i;
}
this->root_widget->other.attribute.root->update_requesters.push_back(this);
return true;
}
void basic_window::_m_init_pos_and_size(basic_window* parent, const rectangle& r)
{
pos_owner = pos_root = r.position();
@@ -390,7 +427,6 @@ namespace nana
flags.ignore_menubar_focus = false;
flags.ignore_mouse_focus = false;
flags.space_click_enabled = false;
flags.ignore_child_mapping = false;
visible = false;