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WindowServer: Stop tracking hovered menu independently from the index (#1093)
Tracking the hovered menu item independently from the index of the currently hovered item is error prone and bad code. Simplify WSMenu by only tracking the index of the currently hovered item. Fixes #1092
This commit is contained in:
shannonbooth
Andreas Kling
parent
488c510e02
commit
f60bd255f5
Notes:
sideshowbarker
2024-07-19 09:59:30 +09:00
Author: https://github.com/shannonbooth 🔰
Commit: f60bd255f5
Pull-request: https://github.com/SerenityOS/serenity/pull/1093
2 changed files with 49 additions and 53 deletions
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@ -155,7 +155,7 @@ void WSMenu::draw()
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for (auto& item : m_items) {
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if (item.type() == WSMenuItem::Text) {
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Color text_color = palette.menu_base_text();
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if (&item == m_hovered_item && item.is_enabled()) {
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if (&item == hovered_item() && item.is_enabled()) {
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painter.fill_rect(item.rect(), palette.menu_selection());
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painter.draw_rect(item.rect(), palette.menu_selection().darkened());
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text_color = palette.menu_selection_text();
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@ -207,12 +207,18 @@ void WSMenu::draw()
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}
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}
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WSMenuItem* WSMenu::hovered_item() const
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{
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if (m_hovered_item_index == -1)
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return nullptr;
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return const_cast<WSMenuItem*>(&item(m_hovered_item_index));
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}
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void WSMenu::update_for_new_hovered_item()
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{
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if (m_hovered_item && m_hovered_item->is_submenu()) {
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ASSERT(m_hovered_item == &m_items.at(m_current_index));
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WSMenuManager::the().close_everyone_not_in_lineage(*m_hovered_item->submenu());
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m_hovered_item->submenu()->popup(m_hovered_item->rect().top_right().translated(menu_window()->rect().location()), true);
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if (hovered_item() && hovered_item()->is_submenu()) {
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WSMenuManager::the().close_everyone_not_in_lineage(*hovered_item()->submenu());
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hovered_item()->submenu()->popup(hovered_item()->rect().top_right().translated(menu_window()->rect().location()), true);
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} else {
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WSMenuManager::the().close_everyone_not_in_lineage(*this);
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WSMenuManager::the().set_current_menu(this);
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@ -225,22 +231,20 @@ void WSMenu::open_hovered_item()
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{
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ASSERT(menu_window());
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ASSERT(menu_window()->is_visible());
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if (!m_hovered_item)
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if (!hovered_item())
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return;
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ASSERT(m_hovered_item == &m_items.at(m_current_index));
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if (m_hovered_item->is_enabled())
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did_activate(*m_hovered_item);
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if (hovered_item()->is_enabled())
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did_activate(*hovered_item());
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clear_hovered_item();
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}
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void WSMenu::decend_into_submenu_at_hovered_item()
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{
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ASSERT(m_hovered_item);
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ASSERT(m_hovered_item->is_submenu());
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auto submenu = m_hovered_item->submenu();
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ASSERT(submenu->m_current_index == 0);
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submenu->m_hovered_item = &submenu->m_items.at(0);
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ASSERT(submenu->m_hovered_item->type() != WSMenuItem::Separator);
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ASSERT(hovered_item());
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ASSERT(hovered_item()->is_submenu());
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auto submenu = hovered_item()->submenu();
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submenu->m_hovered_item_index = 0;
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ASSERT(submenu->hovered_item()->type() != WSMenuItem::Separator);
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submenu->update_for_new_hovered_item();
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m_in_submenu = true;
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}
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@ -249,17 +253,12 @@ void WSMenu::event(CEvent& event)
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{
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if (event.type() == WSEvent::MouseMove) {
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ASSERT(menu_window());
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auto* item = item_at(static_cast<const WSMouseEvent&>(event).position());
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if (m_hovered_item == item)
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int index = item_index_at(static_cast<const WSMouseEvent&>(event).position());
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if (m_hovered_item_index == index)
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return;
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m_hovered_item = item;
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m_hovered_item_index = index;
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if (m_hovered_item) {
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// FIXME: Tell parent menu (if it exists) that it is currently in a submenu
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m_current_index = m_items.find([&](auto& item) { return item.ptr() == m_hovered_item; }).index();
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ASSERT(m_current_index != m_items.size());
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}
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m_in_submenu = false;
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update_for_new_hovered_item();
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return;
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@ -280,21 +279,21 @@ void WSMenu::event(CEvent& event)
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ASSERT(menu_window()->is_visible());
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// Default to the first item on key press if one has not been selected yet
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if (!m_hovered_item) {
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m_hovered_item = &m_items.at(0);
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if (!hovered_item()) {
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m_hovered_item_index = 0;
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update_for_new_hovered_item();
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return;
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}
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// Pass the event for the submenu that we are currently in to handle
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if (m_in_submenu && key != Key_Left) {
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ASSERT(m_hovered_item->is_submenu());
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m_hovered_item->submenu()->dispatch_event(event);
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ASSERT(hovered_item()->is_submenu());
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hovered_item()->submenu()->dispatch_event(event);
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return;
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}
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if (key == Key_Return) {
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if (m_hovered_item->is_submenu())
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if (hovered_item()->is_submenu())
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decend_into_submenu_at_hovered_item();
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else
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open_hovered_item();
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@ -305,11 +304,10 @@ void WSMenu::event(CEvent& event)
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ASSERT(m_items.at(0).type() != WSMenuItem::Separator);
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do {
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m_current_index--;
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if (m_current_index < 0)
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m_current_index = m_items.size() - 1;
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m_hovered_item = &m_items.at(m_current_index);
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} while (m_hovered_item->type() == WSMenuItem::Separator);
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m_hovered_item_index--;
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if (m_hovered_item_index < 0)
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m_hovered_item_index = m_items.size() - 1;
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} while (hovered_item()->type() == WSMenuItem::Separator);
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update_for_new_hovered_item();
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return;
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@ -319,11 +317,10 @@ void WSMenu::event(CEvent& event)
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ASSERT(m_items.at(0).type() != WSMenuItem::Separator);
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do {
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m_current_index++;
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if (m_current_index >= m_items.size())
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m_current_index = 0;
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m_hovered_item = &m_items.at(m_current_index);
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} while (m_hovered_item->type() == WSMenuItem::Separator);
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m_hovered_item_index++;
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if (m_hovered_item_index >= m_items.size())
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m_hovered_item_index = 0;
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} while (hovered_item()->type() == WSMenuItem::Separator);
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update_for_new_hovered_item();
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return;
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@ -333,15 +330,14 @@ void WSMenu::event(CEvent& event)
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if (!m_in_submenu)
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return;
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m_hovered_item = &m_items.at(m_current_index);
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ASSERT(m_hovered_item->is_submenu());
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m_hovered_item->submenu()->clear_hovered_item();
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ASSERT(hovered_item()->is_submenu());
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hovered_item()->submenu()->clear_hovered_item();
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m_in_submenu = false;
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return;
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}
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if (key == Key_Right) {
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if (m_hovered_item->is_submenu())
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if (hovered_item()->is_submenu())
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decend_into_submenu_at_hovered_item();
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return;
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}
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@ -351,10 +347,9 @@ void WSMenu::event(CEvent& event)
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void WSMenu::clear_hovered_item()
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{
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if (!m_hovered_item)
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if (!hovered_item())
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return;
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m_current_index = 0;
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m_hovered_item = nullptr;
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m_hovered_item_index = -1;
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m_in_submenu = false;
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redraw();
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}
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@ -382,13 +377,15 @@ WSMenuItem* WSMenu::item_with_identifier(unsigned identifer)
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return nullptr;
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}
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WSMenuItem* WSMenu::item_at(const Point& position)
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int WSMenu::item_index_at(const Point& position)
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{
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int i = 0;
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for (auto& item : m_items) {
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if (item.rect().contains(position))
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return &item;
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return i;
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++i;
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}
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return nullptr;
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return -1;
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}
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void WSMenu::close()
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@ -71,10 +71,9 @@ public:
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const Font& font() const;
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WSMenuItem* item_with_identifier(unsigned);
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WSMenuItem* item_at(const Point&);
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void redraw();
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const WSMenuItem* hovered_item() const { return m_hovered_item; }
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WSMenuItem* hovered_item() const;
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void clear_hovered_item();
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Function<void(WSMenuItem&)> on_item_activation;
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@ -90,6 +89,7 @@ public:
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private:
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virtual void event(CEvent&) override;
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int item_index_at(const Point&);
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int padding_between_text_and_shortcut() const { return 50; }
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void did_activate(WSMenuItem&);
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void open_hovered_item();
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@ -102,7 +102,6 @@ private:
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Rect m_rect_in_menubar;
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Rect m_text_rect_in_menubar;
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WSMenuBar* m_menubar { nullptr };
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WSMenuItem* m_hovered_item { nullptr };
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NonnullOwnPtrVector<WSMenuItem> m_items;
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RefPtr<WSWindow> m_menu_window;
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@ -110,6 +109,6 @@ private:
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bool m_is_window_menu_open = { false };
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int m_theme_index_at_last_paint { -1 };
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int m_current_index { 0 };
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int m_hovered_item_index { -1 };
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bool m_in_submenu { false };
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};
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