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https://github.com/LadybirdBrowser/ladybird.git
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7984c2836d
This also adds the ability to query how many virtual desktops are set up, and for the Taskbar to be notified when the active virtual desktop has changed.
124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/*
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "WindowStack.h"
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#include "WindowManager.h"
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namespace WindowServer {
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WindowStack::WindowStack(unsigned row, unsigned column)
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: m_row(row)
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, m_column(column)
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{
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}
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WindowStack::~WindowStack()
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{
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}
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void WindowStack::add(Window& window)
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{
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VERIFY(window.outer_stack() == nullptr);
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m_windows.append(window);
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window.set_outer_stack({}, this);
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}
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void WindowStack::add_to_back(Window& window)
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{
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VERIFY(window.outer_stack() == nullptr);
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m_windows.prepend(window);
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window.set_outer_stack({}, this);
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}
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void WindowStack::remove(Window& window)
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{
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VERIFY(window.outer_stack() == this);
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m_windows.remove(window);
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window.set_outer_stack({}, nullptr);
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if (m_active_window == &window)
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m_active_window = nullptr;
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if (m_active_input_window == &window)
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m_active_input_window = nullptr;
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if (m_active_input_tracking_window == &window)
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m_active_input_tracking_window = nullptr;
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}
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void WindowStack::move_to_front(Window& window)
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{
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if (m_windows.last() != &window)
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window.invalidate();
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m_windows.remove(window);
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m_windows.append(window);
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}
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void WindowStack::move_all_windows(WindowStack& new_window_stack, Vector<Window*, 32>& windows_moved, MoveAllWindowsTo move_to)
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{
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VERIFY(this != &new_window_stack);
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if (move_to == MoveAllWindowsTo::Front) {
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while (auto* window = m_windows.take_first()) {
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window->set_outer_stack({}, nullptr);
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new_window_stack.add(*window);
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windows_moved.append(window);
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}
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} else {
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while (auto* window = m_windows.take_last()) {
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window->set_outer_stack({}, nullptr);
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new_window_stack.add_to_back(*window);
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windows_moved.append(window);
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}
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}
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m_active_window = nullptr;
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m_active_input_window = nullptr;
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m_active_input_tracking_window = nullptr;
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}
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Window* WindowStack::window_at(Gfx::IntPoint const& position, IncludeWindowFrame include_window_frame) const
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{
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auto result = hit_test(position);
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if (!result.has_value())
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return nullptr;
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if (include_window_frame == IncludeWindowFrame::No && result->is_frame_hit)
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return nullptr;
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return result->window;
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}
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Window* WindowStack::highlight_window() const
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{
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if (auto* window = WindowManager::the().highlight_window(); window && window->outer_stack() == this)
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return window;
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return nullptr;
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}
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void WindowStack::set_active_window(Window* window)
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{
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if (!window)
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m_active_window = nullptr;
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else
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m_active_window = window->make_weak_ptr<Window>();
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}
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void WindowStack::set_all_occluded(bool occluded)
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{
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for (auto& window : m_windows) {
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if (!WindowManager::is_stationary_window_type(window.type()))
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window.set_occluded(occluded);
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}
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}
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Optional<HitTestResult> WindowStack::hit_test(Gfx::IntPoint const& position) const
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{
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Optional<HitTestResult> result;
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WindowManager::the().for_each_visible_window_from_front_to_back([&](Window& window) {
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result = window.hit_test(position);
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if (result.has_value())
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return IterationDecision::Break;
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return IterationDecision::Continue;
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},
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const_cast<WindowStack*>(this));
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return result;
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}
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}
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