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WindowManager: Move more of the menu management logic to WSMenuManager

Browse source 
This patch moves a whole lot of the menu logic from WSWindowManager to
its proper home in WSMenuManager.

We also get rid of the "close_current_menu()" concept which was easily
confused in the presence of submenus. All operations should now be
aware of the menu stack instead. (The concept of a single, current menu
made a lot more sense when there were no nested menus.)
This commit is contained in:
Andreas Kling 2019-11-11 12:21:57 +01:00
parent 77de51d251
commit cbecad0a77
7 changed files with 126 additions and 96 deletions
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84
Servers/WindowServer/WSMenuManager.cpp
View file

@ -143,23 +143,24 @@ void WSMenuManager::handle_menu_mouse_event(WSMenu& menu, const WSMouseEvent& ev
&& !m_open_menu_stack.is_empty()
&& (m_open_menu_stack.first()->menubar() || m_open_menu_stack.first() == wm.system_menu());
bool is_mousedown_with_left_button = event.type() == WSMouseEvent::MouseDown && event.button() == MouseButton::Left;
bool should_open_menu = &menu != wm.current_menu() && (is_hover_with_any_menu_open || is_mousedown_with_left_button);
bool should_open_menu = &menu != m_current_menu && (is_hover_with_any_menu_open || is_mousedown_with_left_button);
if (should_open_menu) {
if (wm.current_menu() == &menu)
if (m_current_menu == &menu)
return;
wm.close_current_menu();
close_everyone();
if (!menu.is_empty()) {
auto& menu_window = menu.ensure_menu_window();
menu_window.move_to({ menu.rect_in_menubar().x(), menu.rect_in_menubar().bottom() + 2 });
menu_window.set_visible(true);
}
wm.set_current_menu(&menu);
set_current_menu(&menu);
refresh();
return;
}
if (event.type() == WSMouseEvent::MouseDown && event.button() == MouseButton::Left) {
wm.close_current_menu();
close_everyone();
set_current_menu(nullptr);
return;
}
}
@ -167,4 +168,75 @@ void WSMenuManager::handle_menu_mouse_event(WSMenu& menu, const WSMouseEvent& ev
void WSMenuManager::set_needs_window_resize()
{
m_needs_window_resize = true;
}
}
void WSMenuManager::close_everyone()
{
for (auto& menu : m_open_menu_stack) {
if (menu && menu->menu_window())
menu->menu_window()->set_visible(false);
}
m_open_menu_stack.clear();
refresh();
}
void WSMenuManager::close_everyone_not_in_lineage(WSMenu& menu)
{
Vector<WSMenu*> menus_to_close;
for (auto& open_menu : m_open_menu_stack) {
if (!open_menu)
continue;
if (&menu == open_menu.ptr() || open_menu->is_menu_ancestor_of(menu))
continue;
menus_to_close.append(open_menu);
}
close_menus(menus_to_close);
}
void WSMenuManager::close_menus(const Vector<WSMenu*>& menus)
{
for (auto& menu : menus) {
if (menu == m_current_menu)
m_current_menu = nullptr;
if (menu->menu_window())
menu->menu_window()->set_visible(false);
m_open_menu_stack.remove_first_matching([&](auto& entry) {
return entry == menu;
});
}
refresh();
}
static void collect_menu_subtree(WSMenu& menu, Vector<WSMenu*>& menus)
{
menus.append(&menu);
for (int i = 0; i < menu.item_count(); ++i) {
auto& item = menu.item(i);
if (!item.is_submenu())
continue;
collect_menu_subtree(*const_cast<WSMenuItem&>(item).submenu(), menus);
}
}
void WSMenuManager::close_menu_and_descendants(WSMenu& menu)
{
Vector<WSMenu*> menus_to_close;
collect_menu_subtree(menu, menus_to_close);
close_menus(menus_to_close);
}
void WSMenuManager::set_current_menu(WSMenu* menu, bool is_submenu)
{
if (!is_submenu && m_current_menu)
m_current_menu->close();
if (menu)
m_current_menu = menu->make_weak_ptr();
if (!is_submenu) {
close_everyone();
if (menu)
m_open_menu_stack.append(menu->make_weak_ptr());
} else {
m_open_menu_stack.append(menu->make_weak_ptr());
}
}