132 lines
4.1 KiB
C++
132 lines
4.1 KiB
C++
#include <AK/HashMap.h>
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#include <LibGUI/GAction.h>
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#include <LibGUI/GMenu.h>
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#include <LibGUI/GWindowServerConnection.h>
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//#define GMENU_DEBUG
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static HashMap<int, GMenu*>& all_menus()
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{
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static HashMap<int, GMenu*>* map;
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if (!map)
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map = new HashMap<int, GMenu*>();
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return *map;
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}
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GMenu* GMenu::from_menu_id(int menu_id)
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{
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auto it = all_menus().find(menu_id);
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if (it == all_menus().end())
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return nullptr;
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return (*it).value;
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}
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GMenu::GMenu(const StringView& name)
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: m_name(name)
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{
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}
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GMenu::~GMenu()
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{
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unrealize_menu();
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}
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void GMenu::add_action(NonnullRefPtr<GAction> action)
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{
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m_items.append(make<GMenuItem>(m_menu_id, move(action)));
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#ifdef GMENU_DEBUG
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dbgprintf("GMenu::add_action(): MenuItem Menu ID: %d\n", m_menu_id);
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#endif
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}
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void GMenu::add_submenu(NonnullRefPtr<GMenu> submenu)
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{
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m_items.append(make<GMenuItem>(m_menu_id, move(submenu)));
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}
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void GMenu::add_separator()
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{
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m_items.append(make<GMenuItem>(m_menu_id, GMenuItem::Separator));
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}
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void GMenu::realize_if_needed()
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{
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if (m_menu_id == -1)
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realize_menu();
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}
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void GMenu::popup(const Point& screen_position)
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{
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realize_if_needed();
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GWindowServerConnection::the().post_message(WindowServer::PopupMenu(m_menu_id, screen_position));
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}
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void GMenu::dismiss()
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{
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if (m_menu_id == -1)
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return;
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GWindowServerConnection::the().post_message(WindowServer::DismissMenu(m_menu_id));
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}
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int GMenu::realize_menu()
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{
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m_menu_id = GWindowServerConnection::the().send_sync<WindowServer::CreateMenu>(m_name)->menu_id();
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#ifdef GMENU_DEBUG
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dbgprintf("GMenu::realize_menu(): New menu ID: %d\n", m_menu_id);
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#endif
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ASSERT(m_menu_id > 0);
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for (int i = 0; i < m_items.size(); ++i) {
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auto& item = m_items[i];
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item.set_menu_id({}, m_menu_id);
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item.set_identifier({}, i);
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if (item.type() == GMenuItem::Separator) {
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GWindowServerConnection::the().send_sync<WindowServer::AddMenuSeparator>(m_menu_id);
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continue;
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}
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if (item.type() == GMenuItem::Submenu) {
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auto& submenu = *item.submenu();
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submenu.realize_if_needed();
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GWindowServerConnection::the().send_sync<WindowServer::AddMenuItem>(m_menu_id, i, submenu.menu_id(), submenu.name(), true, false, false, "", -1);
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continue;
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}
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if (item.type() == GMenuItem::Action) {
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auto& action = *item.action();
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int icon_buffer_id = -1;
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if (action.icon()) {
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ASSERT(action.icon()->format() == GraphicsBitmap::Format::RGBA32);
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ASSERT(action.icon()->size() == Size(16, 16));
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if (action.icon()->shared_buffer_id() == -1) {
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auto shared_buffer = SharedBuffer::create_with_size(action.icon()->size_in_bytes());
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ASSERT(shared_buffer);
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auto shared_icon = GraphicsBitmap::create_with_shared_buffer(GraphicsBitmap::Format::RGBA32, *shared_buffer, action.icon()->size());
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memcpy(shared_buffer->data(), action.icon()->bits(0), action.icon()->size_in_bytes());
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shared_buffer->seal();
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shared_buffer->share_with(GWindowServerConnection::the().server_pid());
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action.set_icon(shared_icon);
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}
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icon_buffer_id = action.icon()->shared_buffer_id();
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}
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auto shortcut_text = action.shortcut().is_valid() ? action.shortcut().to_string() : String();
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GWindowServerConnection::the().send_sync<WindowServer::AddMenuItem>(m_menu_id, i, -1, action.text(), action.is_enabled(), action.is_checkable(), action.is_checkable() ? action.is_checked() : false, shortcut_text, icon_buffer_id);
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}
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}
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all_menus().set(m_menu_id, this);
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return m_menu_id;
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}
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void GMenu::unrealize_menu()
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{
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if (m_menu_id == -1)
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return;
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all_menus().remove(m_menu_id);
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GWindowServerConnection::the().send_sync<WindowServer::DestroyMenu>(m_menu_id);
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m_menu_id = 0;
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}
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GAction* GMenu::action_at(int index)
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{
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if (index >= m_items.size())
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return nullptr;
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return m_items[index].action();
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}
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