5d180d1f99
(...and ASSERT_NOT_REACHED => VERIFY_NOT_REACHED) Since all of these checks are done in release builds as well, let's rename them to VERIFY to prevent confusion, as everyone is used to assertions being compiled out in release. We can introduce a new ASSERT macro that is specifically for debug checks, but I'm doing this wholesale conversion first since we've accumulated thousands of these already, and it's not immediately obvious which ones are suitable for ASSERT.
548 lines
18 KiB
C++
548 lines
18 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/Debug.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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namespace WindowServer {
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static MenuManager* s_the;
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static constexpr int s_search_timeout = 3000;
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MenuManager& MenuManager::the()
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{
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VERIFY(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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m_search_timer = Core::Timer::create_single_shot(0, [this] {
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m_current_search.clear();
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});
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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() - 1 }, { menubar_rect.right(), menubar_rect.bottom() - 1 }, palette.threed_shadow1());
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painter.draw_line({ 0, menubar_rect.bottom() }, { menubar_rect.right(), menubar_rect.bottom() }, palette.threed_shadow2());
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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) && &menu == m_current_menu_bar_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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//painter.draw_rect(menu.text_rect_in_menubar(), Color::Magenta);
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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 (key_event.key() == Key_Backspace) {
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m_current_search.clear();
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return;
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}
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if (m_current_menu && event.type() == Event::KeyDown
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&& ((key_event.key() >= Key_A && key_event.key() <= Key_Z)
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|| (key_event.key() >= Key_0 && key_event.key() <= Key_9))) {
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m_current_search.append_code_point(key_event.code_point());
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m_search_timer->restart(s_search_timeout);
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for (int i = 0; i < m_current_menu->item_count(); ++i) {
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auto text = m_current_menu->item(i).text();
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if (text.to_lowercase().starts_with(m_current_search.to_string().to_lowercase())) {
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m_current_menu->set_hovered_item(i);
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return;
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}
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}
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return;
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}
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if (event.type() == Event::KeyDown) {
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if (key_event.key() == Key_Left) {
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auto it = m_open_menu_stack.find_if([&](const auto& other) { return m_current_menu == other.ptr(); });
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VERIFY(!it.is_end());
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// Going "back" a menu should be the previous menu in the stack
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if (it.index() > 0)
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set_current_menu(m_open_menu_stack.at(it.index() - 1));
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else {
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if (m_current_menu->hovered_item())
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m_current_menu->set_hovered_item(-1);
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else {
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auto* target_menu = previous_menu(m_current_menu);
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if (target_menu)
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open_menu(*target_menu, true);
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}
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}
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close_everyone_not_in_lineage(*m_current_menu);
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return;
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}
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if (key_event.key() == Key_Right) {
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auto hovered_item = m_current_menu->hovered_item();
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if (hovered_item && hovered_item->is_submenu())
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m_current_menu->descend_into_submenu_at_hovered_item();
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else if (m_open_menu_stack.size() <= 1) {
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auto* target_menu = next_menu(m_current_menu);
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if (target_menu) {
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open_menu(*target_menu, true);
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close_everyone_not_in_lineage(*target_menu);
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}
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}
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return;
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}
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if (key_event.key() == Key_Return) {
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auto hovered_item = m_current_menu->hovered_item();
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if (!hovered_item || !hovered_item->is_enabled())
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return;
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if (hovered_item->is_submenu())
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m_current_menu->descend_into_submenu_at_hovered_item();
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else
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m_current_menu->open_hovered_item();
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return;
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}
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m_current_menu->dispatch_event(event);
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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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auto* active_window = WindowManager::the().active_window();
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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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handled_menubar_event = &menu == m_system_menu || !active_window || !active_window->is_modal();
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if (handled_menubar_event)
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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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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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VERIFY(topmost_menu);
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auto* window = topmost_menu->menu_window();
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if (!window) {
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dbgln("MenuManager::handle_mouse_event: No menu window");
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return;
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}
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VERIFY(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, true);
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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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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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return;
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}
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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, true);
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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() && m_current_menu_bar_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 || !m_current_menu_bar_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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close_everyone();
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open_menu(menu, true);
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return;
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}
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if (!m_bar_open && m_current_menu_bar_menu)
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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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VERIFY(menu);
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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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}
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m_open_menu_stack.clear();
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m_current_search.clear();
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clear_current_menu();
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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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clear_current_menu();
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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(*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::open_menu(Menu& menu, bool from_menu_bar, bool as_current_menu)
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{
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if (from_menu_bar)
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m_current_menu_bar_menu = &menu;
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if (is_open(menu)) {
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if (as_current_menu || current_menu() != &menu) {
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// This menu is already open. If requested, or if the current
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// window doesn't match this one, then set it to this
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set_current_menu(&menu);
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}
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return;
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}
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if (!menu.is_empty()) {
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menu.redraw_if_theme_changed();
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bool should_update_position = from_menu_bar;
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if (!menu.menu_window()) {
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should_update_position = true;
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menu.ensure_menu_window();
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}
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if (should_update_position)
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menu.menu_window()->move_to({ menu.rect_in_menubar().x(), menu.rect_in_menubar().bottom() + 2 });
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menu.menu_window()->set_visible(true);
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}
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if (m_open_menu_stack.find_if([&menu](auto& other) { return &menu == other.ptr(); }).is_end())
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m_open_menu_stack.append(menu);
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if (as_current_menu || !current_menu()) {
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// Only make this menu the current menu if requested, or if no
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// other menu is current
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set_current_menu(&menu);
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}
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refresh();
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}
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void MenuManager::clear_current_menu()
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{
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Menu* previous_current_menu = m_current_menu;
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m_current_menu = nullptr;
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m_current_menu_bar_menu = nullptr;
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if (previous_current_menu) {
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// When closing the last menu, restore the previous active input window
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auto& wm = WindowManager::the();
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wm.restore_active_input_window(m_previous_input_window);
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}
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}
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void MenuManager::set_current_menu(Menu* menu)
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{
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if (!menu) {
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clear_current_menu();
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return;
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}
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VERIFY(is_open(*menu));
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if (menu == m_current_menu) {
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return;
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}
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m_current_search.clear();
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Menu* previous_current_menu = m_current_menu;
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m_current_menu = menu;
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auto& wm = WindowManager::the();
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if (!previous_current_menu) {
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// When opening the first menu, store the current active input window
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if (auto* active_input = wm.active_input_window())
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m_previous_input_window = *active_input;
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else
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m_previous_input_window = nullptr;
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}
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wm.set_active_input_window(m_current_menu->menu_window());
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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::IntRect MenuManager::menubar_rect() const
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{
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return { 0, 0, Screen::the().rect().width(), 19 };
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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;
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else
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m_current_menubar = nullptr;
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dbgln_if(MENUS_DEBUG, "[WM] Current menubar is now {}", menubar);
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Gfx::IntPoint 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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|
|
|
Gfx::IntRect text_rect { next_menu_location.translated(0, 1), { text_width, menubar_rect().height() - 3 } };
|
|
|
|
menu.set_text_rect_in_menubar(text_rect);
|
|
next_menu_location.move_by(menu.rect_in_menubar().width(), 0);
|
|
return IterationDecision::Continue;
|
|
});
|
|
refresh();
|
|
}
|
|
|
|
void MenuManager::close_menubar(MenuBar& menubar)
|
|
{
|
|
if (current_menubar() == &menubar)
|
|
set_current_menubar(nullptr);
|
|
}
|
|
|
|
void MenuManager::set_system_menu(Menu& menu)
|
|
{
|
|
m_system_menu = menu;
|
|
set_current_menubar(m_current_menubar);
|
|
}
|
|
|
|
Menu* MenuManager::previous_menu(Menu* current)
|
|
{
|
|
Menu* found = nullptr;
|
|
Menu* previous = nullptr;
|
|
for_each_active_menubar_menu([&](Menu& menu) {
|
|
if (current == &menu) {
|
|
found = previous;
|
|
return IterationDecision::Break;
|
|
}
|
|
previous = &menu;
|
|
return IterationDecision::Continue;
|
|
});
|
|
return found;
|
|
}
|
|
|
|
Menu* MenuManager::next_menu(Menu* current)
|
|
{
|
|
Menu* found = nullptr;
|
|
bool is_next = false;
|
|
for_each_active_menubar_menu([&](Menu& menu) {
|
|
if (is_next) {
|
|
found = &menu;
|
|
return IterationDecision::Break;
|
|
}
|
|
if (current == &menu)
|
|
is_next = true;
|
|
return IterationDecision::Continue;
|
|
});
|
|
return found;
|
|
}
|
|
|
|
void MenuManager::did_change_theme()
|
|
{
|
|
++m_theme_index;
|
|
refresh();
|
|
}
|
|
|
|
}
|