mirror of
https://github.com/fergalmoran/ladybird.git
synced 2025-12-26 19:29:16 +00:00
411058b2a3
Color themes are loaded from .ini files in /res/themes/
The theme can be switched from the "Themes" section in the system menu.
The basic mechanism is that WindowServer broadcasts a SharedBuffer with
all of the color values of the current theme. Clients receive this with
the response to their initial WindowServer::Greet handshake.
When the theme is changed, WindowServer tells everyone by sending out
an UpdateSystemTheme message with a new SharedBuffer to use.
This does feel somewhat bloated somehow, but I'm sure we can iterate on
it over time and improve things.
To get one of the theme colors, use the Color(SystemColor) constructor:
painter.fill_rect(rect, SystemColor::HoverHighlight);
Some things don't work 100% right without a reboot. Specifically, when
constructing a GWidget, it will set its own background and foreground
colors based on the current SystemColor::Window and SystemColor::Text.
The widget is then stuck with these values, and they don't update on
system theme change, only on app restart.
All in all though, this is pretty cool. Merry Christmas! :^)
325 lines
9.6 KiB
C++
325 lines
9.6 KiB
C++
#include <LibCore/CTimer.h>
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#include <LibDraw/Font.h>
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#include <LibDraw/Painter.h>
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#include <WindowServer/WSMenuManager.h>
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#include <WindowServer/WSScreen.h>
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#include <WindowServer/WSWindowManager.h>
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#include <time.h>
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#include <unistd.h>
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WSMenuManager::WSMenuManager()
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{
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m_username = getlogin();
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m_needs_window_resize = true;
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m_timer = CTimer::construct(300, [this] {
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static time_t last_update_time;
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time_t now = time(nullptr);
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if (now != last_update_time) {
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tick_clock();
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last_update_time = now;
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}
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});
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}
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WSMenuManager::~WSMenuManager()
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{
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}
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void WSMenuManager::setup()
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{
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m_window = WSWindow::construct(*this, WSWindowType::Menubar);
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m_window->set_rect(menubar_rect());
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}
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bool WSMenuManager::is_open(const WSMenu& menu) const
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{
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for (int i = 0; i < m_open_menu_stack.size(); ++i) {
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if (&menu == m_open_menu_stack[i].ptr())
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return true;
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}
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return false;
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}
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void WSMenuManager::draw()
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{
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auto& wm = WSWindowManager::the();
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auto menubar_rect = this->menubar_rect();
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if (m_needs_window_resize) {
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int username_width = Font::default_bold_font().width(m_username);
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m_username_rect = {
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menubar_rect.right() - menubar_menu_margin() / 2 - Font::default_bold_font().width(m_username),
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menubar_rect.y(),
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username_width,
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menubar_rect.height()
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};
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int time_width = Font::default_font().width("2222-22-22 22:22:22");
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m_time_rect = {
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m_username_rect.left() - menubar_menu_margin() / 2 - time_width,
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menubar_rect.y(),
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time_width,
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menubar_rect.height()
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};
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int right_edge_x = m_time_rect.left() - 4;
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for (auto& existing_applet : m_applets) {
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if (!existing_applet)
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continue;
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Rect new_applet_rect(right_edge_x - existing_applet->size().width(), 0, existing_applet->size().width(), existing_applet->size().height());
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Rect dummy_menubar_rect(0, 0, 0, 18);
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new_applet_rect.center_vertically_within(dummy_menubar_rect);
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existing_applet->set_rect_in_menubar(new_applet_rect);
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right_edge_x = existing_applet->rect_in_menubar().x() - 4;
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}
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m_window->set_rect(menubar_rect);
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m_needs_window_resize = false;
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}
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Painter painter(*window().backing_store());
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painter.fill_rect(menubar_rect, SystemColor::Window);
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painter.draw_line({ 0, menubar_rect.bottom() }, { menubar_rect.right(), menubar_rect.bottom() }, SystemColor::ThreedShadow1);
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int index = 0;
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wm.for_each_active_menubar_menu([&](WSMenu& menu) {
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Color text_color = SystemColor::Text;
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if (is_open(menu)) {
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painter.fill_rect(menu.rect_in_menubar(), SystemColor::MenuSelection);
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painter.draw_rect(menu.rect_in_menubar(), Color(SystemColor::MenuSelection).darkened());
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text_color = Color::White;
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}
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painter.draw_text(
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menu.text_rect_in_menubar(),
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menu.name(),
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index == 1 ? wm.app_menu_font() : wm.menu_font(),
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TextAlignment::CenterLeft,
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text_color);
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++index;
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return IterationDecision::Continue;
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});
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painter.draw_text(m_username_rect, m_username, Font::default_bold_font(), TextAlignment::CenterRight, SystemColor::Text);
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time_t now = time(nullptr);
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auto* tm = localtime(&now);
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auto time_text = String::format("%4u-%02u-%02u %02u:%02u:%02u",
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tm->tm_year + 1900,
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tm->tm_mon + 1,
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tm->tm_mday,
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tm->tm_hour,
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tm->tm_min,
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tm->tm_sec);
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painter.draw_text(m_time_rect, time_text, wm.font(), TextAlignment::CenterRight, SystemColor::Text);
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for (auto& applet : m_applets) {
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if (!applet)
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continue;
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draw_applet(*applet);
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}
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}
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void WSMenuManager::tick_clock()
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{
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refresh();
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}
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void WSMenuManager::refresh()
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{
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if (!m_window)
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return;
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draw();
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window().invalidate();
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}
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void WSMenuManager::event(CEvent& event)
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{
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if (WSWindowManager::the().active_window_is_modal())
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return CObject::event(event);
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if (event.type() == WSEvent::MouseMove || event.type() == WSEvent::MouseUp || event.type() == WSEvent::MouseDown || event.type() == WSEvent::MouseWheel) {
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auto& mouse_event = static_cast<WSMouseEvent&>(event);
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WSWindowManager::the().for_each_active_menubar_menu([&](WSMenu& menu) {
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if (menu.rect_in_menubar().contains(mouse_event.position())) {
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handle_menu_mouse_event(menu, mouse_event);
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return IterationDecision::Break;
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}
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return IterationDecision::Continue;
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});
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for (auto& applet : m_applets) {
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if (!applet)
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continue;
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if (!applet->rect_in_menubar().contains(mouse_event.position()))
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continue;
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auto local_event = mouse_event.translated(-applet->rect_in_menubar().location());
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applet->event(local_event);
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}
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}
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return CObject::event(event);
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}
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void WSMenuManager::handle_menu_mouse_event(WSMenu& menu, const WSMouseEvent& event)
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{
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auto& wm = WSWindowManager::the();
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bool is_hover_with_any_menu_open = event.type() == WSMouseEvent::MouseMove
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&& !m_open_menu_stack.is_empty()
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&& (m_open_menu_stack.first()->menubar() || m_open_menu_stack.first() == wm.system_menu());
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bool is_mousedown_with_left_button = event.type() == WSMouseEvent::MouseDown && event.button() == MouseButton::Left;
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bool should_open_menu = &menu != m_current_menu && (is_hover_with_any_menu_open || is_mousedown_with_left_button);
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if (is_mousedown_with_left_button)
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m_bar_open = !m_bar_open;
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if (should_open_menu && m_bar_open) {
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if (m_current_menu == &menu)
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return;
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close_everyone();
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if (!menu.is_empty()) {
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menu.redraw_if_theme_changed();
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auto& menu_window = menu.ensure_menu_window();
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menu_window.move_to({ menu.rect_in_menubar().x(), menu.rect_in_menubar().bottom() + 2 });
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menu_window.set_visible(true);
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}
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set_current_menu(&menu);
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refresh();
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return;
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}
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if (!m_bar_open)
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close_everyone();
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}
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void WSMenuManager::set_needs_window_resize()
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{
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m_needs_window_resize = true;
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}
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void WSMenuManager::close_everyone()
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{
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for (auto& menu : m_open_menu_stack) {
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if (menu && menu->menu_window())
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menu->menu_window()->set_visible(false);
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}
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m_open_menu_stack.clear();
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m_current_menu = nullptr;
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refresh();
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}
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void WSMenuManager::close_everyone_not_in_lineage(WSMenu& menu)
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{
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Vector<WSMenu*> menus_to_close;
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for (auto& open_menu : m_open_menu_stack) {
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if (!open_menu)
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continue;
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if (&menu == open_menu.ptr() || open_menu->is_menu_ancestor_of(menu))
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continue;
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menus_to_close.append(open_menu);
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}
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close_menus(menus_to_close);
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}
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void WSMenuManager::close_menus(const Vector<WSMenu*>& menus)
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{
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for (auto& menu : menus) {
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if (menu == m_current_menu)
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m_current_menu = nullptr;
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if (menu->menu_window())
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menu->menu_window()->set_visible(false);
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m_open_menu_stack.remove_first_matching([&](auto& entry) {
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return entry == menu;
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});
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}
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refresh();
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}
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static void collect_menu_subtree(WSMenu& menu, Vector<WSMenu*>& menus)
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{
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menus.append(&menu);
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for (int i = 0; i < menu.item_count(); ++i) {
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auto& item = menu.item(i);
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if (!item.is_submenu())
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continue;
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collect_menu_subtree(*const_cast<WSMenuItem&>(item).submenu(), menus);
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}
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}
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void WSMenuManager::close_menu_and_descendants(WSMenu& menu)
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{
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Vector<WSMenu*> menus_to_close;
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collect_menu_subtree(menu, menus_to_close);
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close_menus(menus_to_close);
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}
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void WSMenuManager::set_current_menu(WSMenu* menu, bool is_submenu)
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{
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if (!is_submenu && m_current_menu)
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m_current_menu->close();
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if (menu)
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m_current_menu = menu->make_weak_ptr();
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if (!is_submenu) {
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close_everyone();
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if (menu)
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m_open_menu_stack.append(menu->make_weak_ptr());
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} else {
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m_open_menu_stack.append(menu->make_weak_ptr());
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}
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}
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void WSMenuManager::close_bar()
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{
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close_everyone();
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m_bar_open = false;
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}
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void WSMenuManager::add_applet(WSWindow& applet)
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{
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int right_edge_x = m_time_rect.left() - 4;
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for (auto& existing_applet : m_applets) {
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if (existing_applet)
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right_edge_x = existing_applet->rect_in_menubar().x() - 4;
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}
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Rect new_applet_rect(right_edge_x - applet.size().width(), 0, applet.size().width(), applet.size().height());
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Rect dummy_menubar_rect(0, 0, 0, 18);
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new_applet_rect.center_vertically_within(dummy_menubar_rect);
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applet.set_rect_in_menubar(new_applet_rect);
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m_applets.append(applet.make_weak_ptr());
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}
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void WSMenuManager::remove_applet(WSWindow& applet)
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{
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m_applets.remove_first_matching([&](auto& entry) {
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return &applet == entry.ptr();
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});
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}
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void WSMenuManager::draw_applet(const WSWindow& applet)
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{
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if (!applet.backing_store())
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return;
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Painter painter(*window().backing_store());
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painter.blit(applet.rect_in_menubar().location(), *applet.backing_store(), applet.backing_store()->rect());
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}
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void WSMenuManager::invalidate_applet(const WSWindow& applet, const Rect& rect)
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{
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// FIXME: This should only invalidate the applet's own rect, not the whole menubar.
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(void)rect;
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draw_applet(applet);
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window().invalidate();
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}
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Rect WSMenuManager::menubar_rect() const
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{
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return { 0, 0, WSScreen::the().rect().width(), 18 };
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}
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