5e61fd0e67
Let the global menu bar be either "open" or "closed". Clicking on one of the menus in the menu bar toggles the state. This ends up simpler and more intuitive than what we had before.
310 lines
10 KiB
C++
310 lines
10 KiB
C++
#include "WSMenu.h"
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#include "WSEvent.h"
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#include "WSEventLoop.h"
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#include "WSMenuItem.h"
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#include "WSMenuManager.h"
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#include "WSScreen.h"
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#include "WSWindow.h"
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#include "WSWindowManager.h"
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#include <LibDraw/CharacterBitmap.h>
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#include <LibDraw/Font.h>
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#include <LibDraw/GraphicsBitmap.h>
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#include <LibDraw/Painter.h>
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#include <LibDraw/StylePainter.h>
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#include <WindowServer/WSAPITypes.h>
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#include <WindowServer/WSClientConnection.h>
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WSMenu::WSMenu(WSClientConnection* client, int menu_id, const String& name)
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: CObject(client)
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, m_client(client)
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, m_menu_id(menu_id)
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, m_name(move(name))
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{
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}
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WSMenu::~WSMenu()
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{
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}
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const Font& WSMenu::font() const
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{
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return Font::default_font();
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}
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static const char* s_checked_bitmap_data = {
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" "
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" # "
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" ## "
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" ### "
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" ## ### "
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" ##### "
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" ### "
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" # "
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" "
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};
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static const char* s_submenu_arrow_bitmap_data = {
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" "
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" # "
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" ## "
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" ### "
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" #### "
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" ### "
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" ## "
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" # "
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" "
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};
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static CharacterBitmap* s_checked_bitmap;
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static const int s_checked_bitmap_width = 9;
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static const int s_checked_bitmap_height = 9;
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static const int s_submenu_arrow_bitmap_width = 9;
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static const int s_submenu_arrow_bitmap_height = 9;
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static const int s_item_icon_width = 16;
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static const int s_checkbox_or_icon_padding = 6;
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static const int s_stripe_width = 23;
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int WSMenu::width() const
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{
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int widest_text = 0;
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int widest_shortcut = 0;
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for (auto& item : m_items) {
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if (item.type() != WSMenuItem::Text)
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continue;
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int text_width = font().width(item.text());
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if (!item.shortcut_text().is_empty()) {
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int shortcut_width = font().width(item.shortcut_text());
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widest_shortcut = max(shortcut_width, widest_shortcut);
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}
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widest_text = max(widest_text, text_width);
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}
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int widest_item = widest_text + s_stripe_width;
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if (widest_shortcut)
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widest_item += padding_between_text_and_shortcut() + widest_shortcut;
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return max(widest_item, rect_in_menubar().width()) + horizontal_padding() + frame_thickness() * 2;
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}
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int WSMenu::height() const
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{
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if (m_items.is_empty())
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return 0;
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return (m_items.last().rect().bottom() + 1) + frame_thickness();
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}
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void WSMenu::redraw()
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{
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if (!menu_window())
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return;
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draw();
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menu_window()->invalidate();
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}
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WSWindow& WSMenu::ensure_menu_window()
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{
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int width = this->width();
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if (!m_menu_window) {
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Point next_item_location(frame_thickness(), frame_thickness());
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for (auto& item : m_items) {
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int height = 0;
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if (item.type() == WSMenuItem::Text)
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height = item_height();
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else if (item.type() == WSMenuItem::Separator)
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height = 8;
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item.set_rect({ next_item_location, { width - frame_thickness() * 2, height } });
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next_item_location.move_by(0, height);
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}
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auto window = WSWindow::construct(*this, WSWindowType::Menu);
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window->set_rect(0, 0, width, height());
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m_menu_window = move(window);
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draw();
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}
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return *m_menu_window;
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}
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void WSMenu::draw()
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{
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ASSERT(menu_window());
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ASSERT(menu_window()->backing_store());
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Painter painter(*menu_window()->backing_store());
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Rect rect { {}, menu_window()->size() };
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painter.fill_rect(rect.shrunken(6, 6), Color::White);
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StylePainter::paint_window_frame(painter, rect);
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int width = this->width();
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if (!s_checked_bitmap)
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s_checked_bitmap = &CharacterBitmap::create_from_ascii(s_checked_bitmap_data, s_checked_bitmap_width, s_checked_bitmap_height).leak_ref();
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bool has_checkable_items = false;
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bool has_items_with_icon = false;
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for (auto& item : m_items) {
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has_checkable_items = has_checkable_items | item.is_checkable();
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has_items_with_icon = has_items_with_icon | !!item.icon();
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}
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Rect stripe_rect { frame_thickness(), frame_thickness(), s_stripe_width, height() - frame_thickness() * 2 };
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painter.fill_rect(stripe_rect, Color::WarmGray);
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painter.draw_line(stripe_rect.top_right(), stripe_rect.bottom_right(), Color::from_rgb(0xbbb7b0));
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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 = Color::Black;
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if (&item == m_hovered_item && item.is_enabled()) {
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painter.fill_rect(item.rect(), Color::from_rgb(0xad714f));
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painter.draw_rect(item.rect(), Color::from_rgb(0x793016));
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text_color = Color::White;
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} else if (!item.is_enabled()) {
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text_color = Color::MidGray;
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}
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Rect text_rect = item.rect().translated(stripe_rect.width() + 6, 0);
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if (item.is_checkable()) {
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Rect checkmark_rect { item.rect().x() + 7, 0, s_checked_bitmap_width, s_checked_bitmap_height };
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checkmark_rect.center_vertically_within(text_rect);
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Rect checkbox_rect = checkmark_rect.inflated(4, 4);
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painter.fill_rect(checkbox_rect, Color::White);
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StylePainter::paint_frame(painter, checkbox_rect, FrameShape::Container, FrameShadow::Sunken, 2);
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if (item.is_checked()) {
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painter.draw_bitmap(checkmark_rect.location(), *s_checked_bitmap, Color::Black);
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}
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} else if (item.icon()) {
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Rect icon_rect { item.rect().x() + 3, 0, s_item_icon_width, s_item_icon_width };
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icon_rect.center_vertically_within(text_rect);
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painter.blit(icon_rect.location(), *item.icon(), item.icon()->rect());
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}
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painter.draw_text(text_rect, item.text(), TextAlignment::CenterLeft, text_color);
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if (!item.shortcut_text().is_empty()) {
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painter.draw_text(item.rect().translated(-right_padding(), 0), item.shortcut_text(), TextAlignment::CenterRight, text_color);
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}
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if (item.is_submenu()) {
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static auto& submenu_arrow_bitmap = CharacterBitmap::create_from_ascii(s_submenu_arrow_bitmap_data, s_submenu_arrow_bitmap_width, s_submenu_arrow_bitmap_height).leak_ref();
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Rect submenu_arrow_rect {
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item.rect().right() - s_submenu_arrow_bitmap_width - 2,
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0,
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s_submenu_arrow_bitmap_width,
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s_submenu_arrow_bitmap_height
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};
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submenu_arrow_rect.center_vertically_within(item.rect());
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painter.draw_bitmap(submenu_arrow_rect.location(), submenu_arrow_bitmap, Color::Black);
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}
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} else if (item.type() == WSMenuItem::Separator) {
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Point p1(item.rect().translated(stripe_rect.width() + 4, 0).x(), item.rect().center().y() - 1);
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Point p2(width - 7, item.rect().center().y() - 1);
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painter.draw_line(p1, p2, Color::MidGray);
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painter.draw_line(p1.translated(0, 1), p2.translated(0, 1), Color::White);
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}
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}
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}
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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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return;
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m_hovered_item = item;
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if (m_hovered_item && m_hovered_item->is_submenu()) {
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WSWindowManager::the().menu_manager().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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} else {
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WSWindowManager::the().menu_manager().close_everyone_not_in_lineage(*this);
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}
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redraw();
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return;
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}
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if (event.type() == WSEvent::MouseUp) {
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ASSERT(menu_window());
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if (!m_hovered_item)
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return;
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if (m_hovered_item->is_enabled())
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did_activate(*m_hovered_item);
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clear_hovered_item();
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return;
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}
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CObject::event(event);
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}
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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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return;
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m_hovered_item = nullptr;
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redraw();
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}
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void WSMenu::did_activate(WSMenuItem& item)
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{
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if (on_item_activation)
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on_item_activation(item);
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WSWindowManager::the().menu_manager().close_bar();
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WSAPI_ServerMessage message;
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message.type = WSAPI_ServerMessage::Type::MenuItemActivated;
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message.menu.menu_id = m_menu_id;
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message.menu.identifier = item.identifier();
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if (m_client)
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m_client->post_message(message);
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}
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WSMenuItem* WSMenu::item_with_identifier(unsigned identifer)
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{
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for (auto& item : m_items) {
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if (item.identifier() == identifer)
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return &item;
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}
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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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{
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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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}
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return nullptr;
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}
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void WSMenu::close()
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{
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WSWindowManager::the().menu_manager().close_menu_and_descendants(*this);
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}
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void WSMenu::popup(const Point& position, bool is_submenu)
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{
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ASSERT(!is_empty());
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auto& window = ensure_menu_window();
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const int margin = 30;
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Point adjusted_pos = position;
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if (adjusted_pos.x() + window.width() >= WSScreen::the().width() - margin) {
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adjusted_pos = adjusted_pos.translated(-window.width(), 0);
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}
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if (adjusted_pos.y() + window.height() >= WSScreen::the().height() - margin) {
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adjusted_pos = adjusted_pos.translated(0, -window.height());
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}
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window.move_to(adjusted_pos);
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window.set_visible(true);
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WSWindowManager::the().menu_manager().set_current_menu(this, is_submenu);
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}
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bool WSMenu::is_menu_ancestor_of(const WSMenu& other) const
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{
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for (auto& item : m_items) {
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if (!item.is_submenu())
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continue;
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auto& submenu = *const_cast<WSMenuItem&>(item).submenu();
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if (&submenu == &other)
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return true;
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if (submenu.is_menu_ancestor_of(other))
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return true;
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}
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return false;
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}
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