mirror of
https://github.com/RGBCube/serenity
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5250f4fb90
PR #1495 fixes #1464 but only accounts for window menus. In File Manager, for example, attempting to pop up the context menu on the file name text box of the properties modal window, will result in the same behavior. Removing the code altogether solves the problem, altough I'm not sure if it could have any bad implications. I was thinking it might allow interaction with a parent window menu if it remains open just before the popup window is shown, but I have not seen a way to replicate this behavior.
402 lines
12 KiB
C++
402 lines
12 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2020, Shannon Booth <shannon.ml.booth@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/Badge.h>
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#include <AK/FileSystemPath.h>
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#include <AK/QuickSort.h>
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#include <LibCore/DirIterator.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/Painter.h>
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#include <WindowServer/AppletManager.h>
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#include <WindowServer/MenuManager.h>
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#include <WindowServer/Screen.h>
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#include <WindowServer/WindowManager.h>
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#include <unistd.h>
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//#define DEBUG_MENUS
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namespace WindowServer {
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static MenuManager* s_the;
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MenuManager& MenuManager::the()
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{
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ASSERT(s_the);
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return *s_the;
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}
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MenuManager::MenuManager()
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{
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s_the = this;
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m_needs_window_resize = true;
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// NOTE: This ensures that the system menu has the correct dimensions.
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set_current_menubar(nullptr);
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m_window = Window::construct(*this, WindowType::Menubar);
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m_window->set_rect(menubar_rect());
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}
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MenuManager::~MenuManager()
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{
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}
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bool MenuManager::is_open(const Menu& menu) const
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{
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for (size_t 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 MenuManager::draw()
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{
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auto& wm = WindowManager::the();
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auto palette = wm.palette();
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auto menubar_rect = this->menubar_rect();
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if (m_needs_window_resize) {
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m_window->set_rect(menubar_rect);
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AppletManager::the().calculate_applet_rects(window());
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m_needs_window_resize = false;
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}
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Gfx::Painter painter(*window().backing_store());
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painter.fill_rect(menubar_rect, palette.window());
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painter.draw_line({ 0, menubar_rect.bottom() }, { menubar_rect.right(), menubar_rect.bottom() }, palette.threed_shadow1());
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for_each_active_menubar_menu([&](Menu& menu) {
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Color text_color = palette.window_text();
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if (is_open(menu)) {
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painter.fill_rect(menu.rect_in_menubar(), palette.menu_selection());
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painter.draw_rect(menu.rect_in_menubar(), palette.menu_selection().darkened());
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text_color = palette.menu_selection_text();
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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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menu.title_font(),
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Gfx::TextAlignment::CenterLeft,
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text_color);
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return IterationDecision::Continue;
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});
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AppletManager::the().draw();
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}
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void MenuManager::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 MenuManager::event(Core::Event& event)
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{
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if (static_cast<Event&>(event).is_mouse_event()) {
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handle_mouse_event(static_cast<MouseEvent&>(event));
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return;
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}
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if (static_cast<Event&>(event).is_key_event()) {
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auto& key_event = static_cast<const KeyEvent&>(event);
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if (key_event.type() == Event::KeyUp && key_event.key() == Key_Escape) {
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close_everyone();
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return;
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}
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if (event.type() == Event::KeyDown) {
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for_each_active_menubar_menu([&](Menu& menu) {
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if (is_open(menu))
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menu.dispatch_event(event);
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return IterationDecision::Continue;
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});
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}
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}
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return Core::Object::event(event);
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}
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void MenuManager::handle_mouse_event(MouseEvent& mouse_event)
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{
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bool handled_menubar_event = false;
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for_each_active_menubar_menu([&](Menu& 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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handled_menubar_event = true;
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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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if (handled_menubar_event)
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return;
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if (has_open_menu()) {
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auto* topmost_menu = m_open_menu_stack.last().ptr();
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ASSERT(topmost_menu);
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auto* window = topmost_menu->menu_window();
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if (!window) {
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dbg() << "MenuManager::handle_mouse_event: No menu window";
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return;
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}
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ASSERT(window->is_visible());
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bool event_is_inside_current_menu = window->rect().contains(mouse_event.position());
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if (event_is_inside_current_menu) {
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WindowManager::the().set_hovered_window(window);
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auto translated_event = mouse_event.translated(-window->position());
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WindowManager::the().deliver_mouse_event(*window, translated_event);
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return;
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}
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if (topmost_menu->hovered_item())
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topmost_menu->clear_hovered_item();
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if (mouse_event.type() == Event::MouseDown || mouse_event.type() == Event::MouseUp) {
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auto* window_menu_of = topmost_menu->window_menu_of();
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if (window_menu_of) {
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bool event_is_inside_taskbar_button = window_menu_of->taskbar_rect().contains(mouse_event.position());
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if (event_is_inside_taskbar_button && !topmost_menu->is_window_menu_open()) {
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topmost_menu->set_window_menu_open(true);
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return;
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}
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}
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if (mouse_event.type() == Event::MouseDown) {
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close_bar();
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topmost_menu->set_window_menu_open(false);
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}
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}
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if (mouse_event.type() == Event::MouseMove) {
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for (auto& menu : m_open_menu_stack) {
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if (!menu)
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continue;
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if (!menu->menu_window()->rect().contains(mouse_event.position()))
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continue;
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WindowManager::the().set_hovered_window(menu->menu_window());
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auto translated_event = mouse_event.translated(-menu->menu_window()->position());
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WindowManager::the().deliver_mouse_event(*menu->menu_window(), translated_event);
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break;
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}
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}
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return;
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}
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AppletManager::the().dispatch_event(static_cast<Event&>(mouse_event));
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}
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void MenuManager::handle_menu_mouse_event(Menu& menu, const MouseEvent& event)
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{
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bool is_hover_with_any_menu_open = event.type() == MouseEvent::MouseMove
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&& has_open_menu()
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&& (m_open_menu_stack.first()->menubar() || m_open_menu_stack.first() == m_system_menu.ptr());
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bool is_mousedown_with_left_button = event.type() == MouseEvent::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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open_menu(menu);
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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 MenuManager::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 MenuManager::close_all_menus_from_client(Badge<ClientConnection>, ClientConnection& client)
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{
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if (!has_open_menu())
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return;
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if (m_open_menu_stack.first()->client() != &client)
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return;
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close_everyone();
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}
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void MenuManager::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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menu->clear_hovered_item();
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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 MenuManager::close_everyone_not_in_lineage(Menu& menu)
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{
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Vector<Menu*> 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 MenuManager::close_menus(const Vector<Menu*>& 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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menu->clear_hovered_item();
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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(Menu& menu, Vector<Menu*>& 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<MenuItem&>(item).submenu(), menus);
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}
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}
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void MenuManager::close_menu_and_descendants(Menu& menu)
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{
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Vector<Menu*> 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 MenuManager::toggle_menu(Menu& menu)
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{
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if (is_open(menu)) {
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close_menu_and_descendants(menu);
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return;
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}
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open_menu(menu);
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}
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void MenuManager::open_menu(Menu& menu)
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{
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if (is_open(menu))
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return;
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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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}
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void MenuManager::set_current_menu(Menu* menu, bool is_submenu)
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{
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if (menu == m_current_menu)
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return;
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if (!is_submenu) {
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if (menu)
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close_everyone_not_in_lineage(*menu);
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else
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close_everyone();
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}
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if (!menu) {
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m_current_menu = nullptr;
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return;
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}
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m_current_menu = menu->make_weak_ptr();
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if (m_open_menu_stack.find([menu](auto& other) { return menu == other.ptr(); }).is_end())
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m_open_menu_stack.append(menu->make_weak_ptr());
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}
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void MenuManager::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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Gfx::Rect MenuManager::menubar_rect() const
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{
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return { 0, 0, Screen::the().rect().width(), 18 };
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}
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void MenuManager::set_current_menubar(MenuBar* menubar)
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{
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if (menubar)
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m_current_menubar = menubar->make_weak_ptr();
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else
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m_current_menubar = nullptr;
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#ifdef DEBUG_MENUS
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dbg() << "[WM] Current menubar is now " << menubar;
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#endif
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Gfx::Point next_menu_location { MenuManager::menubar_menu_margin() / 2, 0 };
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for_each_active_menubar_menu([&](Menu& menu) {
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int text_width = menu.title_font().width(menu.name());
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menu.set_rect_in_menubar({ next_menu_location.x() - MenuManager::menubar_menu_margin() / 2, 0, text_width + MenuManager::menubar_menu_margin(), menubar_rect().height() - 1 });
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menu.set_text_rect_in_menubar({ next_menu_location, { text_width, menubar_rect().height() } });
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next_menu_location.move_by(menu.rect_in_menubar().width(), 0);
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return IterationDecision::Continue;
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});
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refresh();
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}
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void MenuManager::close_menubar(MenuBar& menubar)
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{
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if (current_menubar() == &menubar)
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set_current_menubar(nullptr);
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}
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void MenuManager::set_system_menu(Menu& menu)
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{
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m_system_menu = menu.make_weak_ptr();
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set_current_menubar(m_current_menubar);
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}
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void MenuManager::did_change_theme()
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{
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++m_theme_index;
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refresh();
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}
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}
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