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Faster switching of parameter pages if the page is switched

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by cursor keys in the tree control:
The page update is delayed to idle.
This commit is contained in:
bubnikv 2020-09-29 11:04:25 +02:00
parent 5243d3e53c
commit ec8602f8d9
2 changed files with 23 additions and 12 deletions
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29
src/slic3r/GUI/Tab.cpp
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@ -293,7 +293,20 @@ void Tab::create_preset_tab()
m_treectrl->AddRoot("root");
m_treectrl->SetIndent(0);
m_treectrl->Bind(wxEVT_TREE_SEL_CHANGED, &Tab::OnTreeSelChange, this);
// Delay processing of the following handler until the message queue is flushed.
// This helps to process all the cursor key events on Windows in the tree control,
// so that the cursor jumps to the last item.
m_treectrl->Bind(wxEVT_TREE_SEL_CHANGED, [this](wxTreeEvent&) {
if (!m_disable_tree_sel_changed_event && !m_pages.empty())
m_page_switch_planned = true;
});
m_treectrl->Bind(wxEVT_IDLE, [this](wxIdleEvent&) {
if (m_page_switch_planned) {
this->tree_sel_change_delayed();
m_page_switch_planned = false;
}
});
m_treectrl->Bind(wxEVT_KEY_DOWN, &Tab::OnKeyDown, this);
// Initialize the page.
@ -3370,14 +3383,11 @@ void Tab::active_selected_page()
toggle_options();
}
void Tab::OnTreeSelChange(wxTreeEvent& event)
void Tab::tree_sel_change_delayed()
{
if (m_disable_tree_sel_changed_event)
return;
// There is a bug related to Ubuntu overlay scrollbars, see https://github.com/prusa3d/PrusaSlicer/issues/898 and https://github.com/prusa3d/PrusaSlicer/issues/952.
// The issue apparently manifests when Show()ing a window with overlay scrollbars while the UI is frozen. For this reason,
// we will Thaw the UI prematurely on Linux. This means destroing the no_updates object prematurely.
// There is a bug related to Ubuntu overlay scrollbars, see https://github.com/prusa3d/PrusaSlicer/issues/898 and https://github.com/prusa3d/PrusaSlicer/issues/952.
// The issue apparently manifests when Show()ing a window with overlay scrollbars while the UI is frozen. For this reason,
// we will Thaw the UI prematurely on Linux. This means destroing the no_updates object prematurely.
#ifdef __linux__
std::unique_ptr<wxWindowUpdateLocker> no_updates(new wxWindowUpdateLocker(this));
#else
@ -3390,9 +3400,6 @@ void Tab::OnTreeSelChange(wxTreeEvent& event)
//#endif
#endif
if (m_pages.empty())
return;
Page* page = nullptr;
const auto sel_item = m_treectrl->GetSelection();
const auto selection = sel_item ? m_treectrl->GetItemText(sel_item) : "";