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- /*
- * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #include "WindowManager.h"
- #include "Compositor.h"
- #include "EventLoop.h"
- #include "Menu.h"
- #include "Screen.h"
- #include "Window.h"
- #include <AK/Debug.h>
- #include <AK/StdLibExtras.h>
- #include <AK/Vector.h>
- #include <LibGfx/Bitmap.h>
- #include <LibGfx/CharacterBitmap.h>
- #include <LibGfx/Font.h>
- #include <LibGfx/StylePainter.h>
- #include <LibGfx/SystemTheme.h>
- #include <WindowServer/AppletManager.h>
- #include <WindowServer/Button.h>
- #include <WindowServer/ClientConnection.h>
- #include <WindowServer/Cursor.h>
- #include <WindowServer/WindowClientEndpoint.h>
- namespace WindowServer {
- static WindowManager* s_the;
- WindowManager& WindowManager::the()
- {
- VERIFY(s_the);
- return *s_the;
- }
- WindowManager::WindowManager(Gfx::PaletteImpl const& palette)
- : m_palette(palette)
- {
- s_the = this;
- reload_config();
- Compositor::the().did_construct_window_manager({});
- }
- WindowManager::~WindowManager()
- {
- }
- RefPtr<Cursor> WindowManager::get_cursor(String const& name)
- {
- static auto const s_default_cursor_path = "/res/cursors/arrow.x2y2.png";
- return Cursor::create(m_config->read_entry("Cursor", name, s_default_cursor_path), s_default_cursor_path);
- }
- void WindowManager::reload_config()
- {
- m_config = Core::ConfigFile::open("/etc/WindowServer.ini");
- m_double_click_speed = m_config->read_num_entry("Input", "DoubleClickSpeed", 250);
- auto* current_cursor = Compositor::the().current_cursor();
- auto reload_cursor = [&](RefPtr<Cursor>& cursor, const String& name) {
- bool is_current_cursor = current_cursor && current_cursor == cursor.ptr();
- cursor = get_cursor(name);
- if (is_current_cursor)
- Compositor::the().current_cursor_was_reloaded(cursor.ptr());
- };
- reload_cursor(m_hidden_cursor, "Hidden");
- reload_cursor(m_arrow_cursor, "Arrow");
- reload_cursor(m_hand_cursor, "Hand");
- reload_cursor(m_help_cursor, "Help");
- reload_cursor(m_resize_horizontally_cursor, "ResizeH");
- reload_cursor(m_resize_vertically_cursor, "ResizeV");
- reload_cursor(m_resize_diagonally_tlbr_cursor, "ResizeDTLBR");
- reload_cursor(m_resize_diagonally_bltr_cursor, "ResizeDBLTR");
- reload_cursor(m_resize_column_cursor, "ResizeColumn");
- reload_cursor(m_resize_row_cursor, "ResizeRow");
- reload_cursor(m_i_beam_cursor, "IBeam");
- reload_cursor(m_disallowed_cursor, "Disallowed");
- reload_cursor(m_move_cursor, "Move");
- reload_cursor(m_drag_cursor, "Drag");
- reload_cursor(m_wait_cursor, "Wait");
- reload_cursor(m_crosshair_cursor, "Crosshair");
- WindowFrame::reload_config();
- }
- Gfx::Font const& WindowManager::font() const
- {
- return Gfx::FontDatabase::default_font();
- }
- Gfx::Font const& WindowManager::window_title_font() const
- {
- return Gfx::FontDatabase::default_font().bold_variant();
- }
- bool WindowManager::set_screen_layout(ScreenLayout&& screen_layout, bool save, String& error_msg)
- {
- if (!Screen::apply_layout(move(screen_layout), error_msg))
- return false;
- reload_icon_bitmaps_after_scale_change();
- Compositor::the().screen_resolution_changed();
- ClientConnection::for_each_client([&](ClientConnection& client) {
- client.notify_about_new_screen_rects(Screen::rects(), Screen::main().index());
- });
- m_window_stack.for_each_window([](Window& window) {
- window.screens().clear_with_capacity();
- window.recalculate_rect();
- return IterationDecision::Continue;
- });
- if (save)
- Screen::layout().save_config(*m_config);
- return true;
- }
- ScreenLayout WindowManager::get_screen_layout() const
- {
- return Screen::layout();
- }
- bool WindowManager::save_screen_layout(String& error_msg)
- {
- if (!Screen::layout().save_config(*m_config)) {
- error_msg = "Could not save";
- return false;
- }
- return true;
- }
- void WindowManager::set_acceleration_factor(double factor)
- {
- ScreenInput::the().set_acceleration_factor(factor);
- dbgln("Saving acceleration factor {} to config file at {}", factor, m_config->filename());
- m_config->write_entry("Mouse", "AccelerationFactor", String::formatted("{}", factor));
- m_config->sync();
- }
- void WindowManager::set_scroll_step_size(unsigned step_size)
- {
- ScreenInput::the().set_scroll_step_size(step_size);
- dbgln("Saving scroll step size {} to config file at {}", step_size, m_config->filename());
- m_config->write_entry("Mouse", "ScrollStepSize", String::number(step_size));
- m_config->sync();
- }
- void WindowManager::set_double_click_speed(int speed)
- {
- VERIFY(speed >= double_click_speed_min && speed <= double_click_speed_max);
- m_double_click_speed = speed;
- dbgln("Saving double-click speed {} to config file at {}", speed, m_config->filename());
- m_config->write_entry("Input", "DoubleClickSpeed", String::number(speed));
- m_config->sync();
- }
- int WindowManager::double_click_speed() const
- {
- return m_double_click_speed;
- }
- void WindowManager::add_window(Window& window)
- {
- bool is_first_window = m_window_stack.is_empty();
- m_window_stack.add(window);
- if (window.is_fullscreen()) {
- auto& screen = Screen::main(); // TODO: support fullscreen windows on other screens!
- Core::EventLoop::current().post_event(window, make<ResizeEvent>(screen.rect()));
- window.set_rect(screen.rect());
- }
- if (window.type() != WindowType::Desktop || is_first_window)
- set_active_window(&window);
- if (m_switcher.is_visible() && window.type() != WindowType::WindowSwitcher)
- m_switcher.refresh();
- Compositor::the().invalidate_occlusions();
- window.invalidate(true, true);
- tell_wms_window_state_changed(window);
- }
- void WindowManager::move_to_front_and_make_active(Window& window)
- {
- auto move_window_to_front = [&](Window& wnd, bool make_active, bool make_input) {
- if (wnd.is_accessory()) {
- auto* parent = wnd.parent_window();
- do_move_to_front(*parent, true, false);
- make_active = false;
- for (auto& accessory_window : parent->accessory_windows()) {
- if (accessory_window && accessory_window.ptr() != &wnd)
- do_move_to_front(*accessory_window, false, false);
- }
- }
- do_move_to_front(wnd, make_active, make_input);
- };
- // If a window that is currently blocked by a modal child is being
- // brought to the front, bring the entire stack of modal windows
- // to the front and activate the modal window. Also set the
- // active input window to that same window (which would pull
- // active input from any accessory window)
- for_each_window_in_modal_stack(window, [&](auto& w, bool is_stack_top) {
- move_window_to_front(w, is_stack_top, is_stack_top);
- return IterationDecision::Continue;
- });
- Compositor::the().invalidate_occlusions();
- }
- void WindowManager::do_move_to_front(Window& window, bool make_active, bool make_input)
- {
- m_window_stack.move_to_front(window);
- if (make_active)
- set_active_window(&window, make_input);
- if (m_switcher.is_visible()) {
- m_switcher.refresh();
- if (!window.is_accessory()) {
- m_switcher.select_window(window);
- set_highlight_window(&window);
- }
- }
- for (auto& child_window : window.child_windows()) {
- if (child_window)
- do_move_to_front(*child_window, make_active, make_input);
- }
- }
- void WindowManager::remove_window(Window& window)
- {
- m_window_stack.remove(window);
- auto* active = active_window();
- auto* active_input = active_input_window();
- if (active == &window || active_input == &window || (active && window.is_descendant_of(*active)) || (active_input && active_input != active && window.is_descendant_of(*active_input)))
- pick_new_active_window(&window);
- Compositor::the().invalidate_screen(window.frame().render_rect());
- if (m_switcher.is_visible() && window.type() != WindowType::WindowSwitcher)
- m_switcher.refresh();
- Compositor::the().invalidate_occlusions();
- for_each_window_manager([&window](WMClientConnection& conn) {
- if (conn.window_id() < 0 || !(conn.event_mask() & WMEventMask::WindowRemovals))
- return IterationDecision::Continue;
- if (!window.is_internal() && !window.is_modal())
- conn.async_window_removed(conn.window_id(), window.client_id(), window.window_id());
- return IterationDecision::Continue;
- });
- }
- void WindowManager::greet_window_manager(WMClientConnection& conn)
- {
- if (conn.window_id() < 0)
- return;
- m_window_stack.for_each_window([&](Window& other_window) {
- //if (conn.window_id() != other_window.window_id()) {
- tell_wm_about_window(conn, other_window);
- tell_wm_about_window_icon(conn, other_window);
- //}
- return IterationDecision::Continue;
- });
- if (auto* applet_area_window = AppletManager::the().window())
- tell_wms_applet_area_size_changed(applet_area_window->size());
- }
- void WindowManager::tell_wm_about_window(WMClientConnection& conn, Window& window)
- {
- if (conn.window_id() < 0)
- return;
- if (!(conn.event_mask() & WMEventMask::WindowStateChanges))
- return;
- if (window.is_internal())
- return;
- auto* parent = window.parent_window();
- conn.async_window_state_changed(conn.window_id(), window.client_id(), window.window_id(), parent ? parent->client_id() : -1, parent ? parent->window_id() : -1, window.is_active(), window.is_minimized(), window.is_modal_dont_unparent(), window.is_frameless(), (i32)window.type(), window.computed_title(), window.rect(), window.progress());
- }
- void WindowManager::tell_wm_about_window_rect(WMClientConnection& conn, Window& window)
- {
- if (conn.window_id() < 0)
- return;
- if (!(conn.event_mask() & WMEventMask::WindowRectChanges))
- return;
- if (window.is_internal())
- return;
- conn.async_window_rect_changed(conn.window_id(), window.client_id(), window.window_id(), window.rect());
- }
- void WindowManager::tell_wm_about_window_icon(WMClientConnection& conn, Window& window)
- {
- if (conn.window_id() < 0)
- return;
- if (!(conn.event_mask() & WMEventMask::WindowIconChanges))
- return;
- if (window.is_internal())
- return;
- conn.async_window_icon_bitmap_changed(conn.window_id(), window.client_id(), window.window_id(), window.icon().to_shareable_bitmap());
- }
- void WindowManager::tell_wms_window_state_changed(Window& window)
- {
- for_each_window_manager([&](WMClientConnection& conn) {
- tell_wm_about_window(conn, window);
- return IterationDecision::Continue;
- });
- }
- void WindowManager::tell_wms_window_icon_changed(Window& window)
- {
- for_each_window_manager([&](WMClientConnection& conn) {
- tell_wm_about_window_icon(conn, window);
- return IterationDecision::Continue;
- });
- }
- void WindowManager::tell_wms_window_rect_changed(Window& window)
- {
- for_each_window_manager([&](WMClientConnection& conn) {
- tell_wm_about_window_rect(conn, window);
- return IterationDecision::Continue;
- });
- }
- void WindowManager::tell_wms_applet_area_size_changed(Gfx::IntSize const& size)
- {
- for_each_window_manager([&](WMClientConnection& conn) {
- if (conn.window_id() < 0)
- return IterationDecision::Continue;
- conn.async_applet_area_size_changed(conn.window_id(), size);
- return IterationDecision::Continue;
- });
- }
- void WindowManager::tell_wms_super_key_pressed()
- {
- for_each_window_manager([](WMClientConnection& conn) {
- if (conn.window_id() < 0)
- return IterationDecision::Continue;
- conn.async_super_key_pressed(conn.window_id());
- return IterationDecision::Continue;
- });
- }
- static bool window_type_has_title(WindowType type)
- {
- return type == WindowType::Normal || type == WindowType::ToolWindow;
- }
- void WindowManager::notify_modified_changed(Window& window)
- {
- if (m_switcher.is_visible())
- m_switcher.refresh();
- tell_wms_window_state_changed(window);
- }
- void WindowManager::notify_title_changed(Window& window)
- {
- if (!window_type_has_title(window.type()))
- return;
- dbgln_if(WINDOWMANAGER_DEBUG, "[WM] Window({}) title set to '{}'", &window, window.title());
- if (m_switcher.is_visible())
- m_switcher.refresh();
- tell_wms_window_state_changed(window);
- }
- void WindowManager::notify_modal_unparented(Window& window)
- {
- if (window.type() != WindowType::Normal)
- return;
- dbgln_if(WINDOWMANAGER_DEBUG, "[WM] Window({}) was unparented", &window);
- if (m_switcher.is_visible())
- m_switcher.refresh();
- tell_wms_window_state_changed(window);
- }
- void WindowManager::notify_rect_changed(Window& window, Gfx::IntRect const& old_rect, Gfx::IntRect const& new_rect)
- {
- dbgln_if(RESIZE_DEBUG, "[WM] Window({}) rect changed {} -> {}", &window, old_rect, new_rect);
- if (m_switcher.is_visible() && window.type() != WindowType::WindowSwitcher)
- m_switcher.refresh();
- tell_wms_window_rect_changed(window);
- if (window.type() == WindowType::Applet)
- AppletManager::the().relayout();
- MenuManager::the().refresh();
- reevaluate_hovered_window(&window);
- }
- void WindowManager::notify_opacity_changed(Window&)
- {
- Compositor::the().invalidate_occlusions();
- }
- void WindowManager::notify_minimization_state_changed(Window& window)
- {
- tell_wms_window_state_changed(window);
- if (window.client())
- window.client()->async_window_state_changed(window.window_id(), window.is_minimized(), window.is_occluded());
- if (window.is_active() && window.is_minimized())
- pick_new_active_window(&window);
- }
- void WindowManager::notify_occlusion_state_changed(Window& window)
- {
- if (window.client())
- window.client()->async_window_state_changed(window.window_id(), window.is_minimized(), window.is_occluded());
- }
- void WindowManager::notify_progress_changed(Window& window)
- {
- tell_wms_window_state_changed(window);
- }
- bool WindowManager::pick_new_active_window(Window* previous_active)
- {
- bool new_window_picked = false;
- Window* first_candidate = nullptr;
- m_window_stack.for_each_visible_window_from_front_to_back([&](Window& candidate) {
- if (candidate.type() != WindowType::Normal && candidate.type() != WindowType::ToolWindow)
- return IterationDecision::Continue;
- if (candidate.is_destroyed())
- return IterationDecision::Continue;
- if (previous_active != first_candidate)
- first_candidate = &candidate;
- if ((!previous_active && !candidate.is_accessory()) || (previous_active && !candidate.is_accessory_of(*previous_active))) {
- set_active_window(&candidate);
- new_window_picked = true;
- return IterationDecision::Break;
- }
- return IterationDecision::Continue;
- });
- if (!new_window_picked) {
- set_active_window(first_candidate);
- new_window_picked = first_candidate != nullptr;
- }
- return new_window_picked;
- }
- void WindowManager::start_window_move(Window& window, Gfx::IntPoint const& origin)
- {
- MenuManager::the().close_everyone();
- dbgln_if(MOVE_DEBUG, "[WM] Begin moving Window({})", &window);
- move_to_front_and_make_active(window);
- m_move_window = window;
- m_move_window->set_default_positioned(false);
- m_move_origin = origin;
- m_move_window_origin = window.position();
- window.invalidate(true, true);
- }
- void WindowManager::start_window_move(Window& window, MouseEvent const& event)
- {
- start_window_move(window, event.position());
- }
- void WindowManager::start_window_resize(Window& window, Gfx::IntPoint const& position, MouseButton button)
- {
- MenuManager::the().close_everyone();
- move_to_front_and_make_active(window);
- constexpr ResizeDirection direction_for_hot_area[3][3] = {
- { ResizeDirection::UpLeft, ResizeDirection::Up, ResizeDirection::UpRight },
- { ResizeDirection::Left, ResizeDirection::None, ResizeDirection::Right },
- { ResizeDirection::DownLeft, ResizeDirection::Down, ResizeDirection::DownRight },
- };
- Gfx::IntRect outer_rect = window.frame().rect();
- if (!outer_rect.contains(position)) {
- // FIXME: This used to be an VERIFY but crashing WindowServer over this seems silly.
- dbgln("FIXME: !outer_rect.contains(position): outer_rect={}, position={}", outer_rect, position);
- }
- int window_relative_x = position.x() - outer_rect.x();
- int window_relative_y = position.y() - outer_rect.y();
- int hot_area_row = min(2, window_relative_y / (outer_rect.height() / 3));
- int hot_area_column = min(2, window_relative_x / (outer_rect.width() / 3));
- m_resize_direction = direction_for_hot_area[hot_area_row][hot_area_column];
- if (m_resize_direction == ResizeDirection::None) {
- VERIFY(!m_resize_window);
- return;
- }
- dbgln_if(RESIZE_DEBUG, "[WM] Begin resizing Window({})", &window);
- m_resizing_mouse_button = button;
- m_resize_window = window;
- m_resize_origin = position;
- m_resize_window_original_rect = window.rect();
- m_active_input_tracking_window = nullptr;
- window.invalidate(true, true);
- if (hot_area_row == 0 || hot_area_column == 0) {
- m_resize_window->set_default_positioned(false);
- }
- }
- void WindowManager::start_window_resize(Window& window, MouseEvent const& event)
- {
- start_window_resize(window, event.position(), event.button());
- }
- bool WindowManager::process_ongoing_window_move(MouseEvent& event)
- {
- if (!m_move_window)
- return false;
- if (event.type() == Event::MouseUp && event.button() == MouseButton::Left) {
- dbgln_if(MOVE_DEBUG, "[WM] Finish moving Window({})", m_move_window);
- m_move_window->invalidate(true, true);
- if (m_move_window->is_resizable()) {
- process_event_for_doubleclick(*m_move_window, event);
- if (event.type() == Event::MouseDoubleClick) {
- dbgln_if(DOUBLECLICK_DEBUG, "[WM] Click up became doubleclick!");
- m_move_window->set_maximized(!m_move_window->is_maximized());
- }
- }
- m_move_window = nullptr;
- return true;
- }
- if (event.type() == Event::MouseMove) {
- if constexpr (MOVE_DEBUG) {
- dbgln("[WM] Moving, origin: {}, now: {}", m_move_origin, event.position());
- if (m_move_window->is_maximized())
- dbgln(" [!] The window is still maximized. Not moving yet.");
- }
- const int tiling_deadzone = 10;
- const int secondary_deadzone = 2;
- auto& cursor_screen = Screen::closest_to_location(event.position());
- auto desktop = desktop_rect(cursor_screen);
- auto desktop_relative_to_screen = desktop.translated(-cursor_screen.rect().location());
- if (m_move_window->is_maximized()) {
- auto pixels_moved_from_start = event.position().pixels_moved(m_move_origin);
- if (pixels_moved_from_start > 5) {
- // dbgln("[WM] de-maximizing window");
- m_move_origin = event.position();
- if (m_move_origin.y() <= secondary_deadzone + desktop.top())
- return true;
- m_move_window->set_maximized(false, event.position());
- m_move_window_origin = m_move_window->position();
- }
- } else {
- bool is_resizable = m_move_window->is_resizable();
- auto pixels_moved_from_start = event.position().pixels_moved(m_move_origin);
- auto event_location_relative_to_screen = event.position().translated(-cursor_screen.rect().location());
- if (is_resizable && event_location_relative_to_screen.x() <= tiling_deadzone) {
- if (event_location_relative_to_screen.y() <= tiling_deadzone + desktop_relative_to_screen.top())
- m_move_window->set_tiled(&cursor_screen, WindowTileType::TopLeft);
- else if (event_location_relative_to_screen.y() >= desktop_relative_to_screen.height() - tiling_deadzone)
- m_move_window->set_tiled(&cursor_screen, WindowTileType::BottomLeft);
- else
- m_move_window->set_tiled(&cursor_screen, WindowTileType::Left);
- } else if (is_resizable && event_location_relative_to_screen.x() >= cursor_screen.width() - tiling_deadzone) {
- if (event_location_relative_to_screen.y() <= tiling_deadzone + desktop.top())
- m_move_window->set_tiled(&cursor_screen, WindowTileType::TopRight);
- else if (event_location_relative_to_screen.y() >= desktop_relative_to_screen.height() - tiling_deadzone)
- m_move_window->set_tiled(&cursor_screen, WindowTileType::BottomRight);
- else
- m_move_window->set_tiled(&cursor_screen, WindowTileType::Right);
- } else if (is_resizable && event_location_relative_to_screen.y() <= secondary_deadzone + desktop_relative_to_screen.top()) {
- m_move_window->set_tiled(&cursor_screen, WindowTileType::Top);
- } else if (is_resizable && event_location_relative_to_screen.y() >= desktop_relative_to_screen.bottom() - secondary_deadzone) {
- m_move_window->set_tiled(&cursor_screen, WindowTileType::Bottom);
- } else if (m_move_window->tiled() == WindowTileType::None) {
- Gfx::IntPoint pos = m_move_window_origin.translated(event.position() - m_move_origin);
- m_move_window->set_position_without_repaint(pos);
- // "Bounce back" the window if it would end up too far outside the screen.
- // If the user has let go of Mod_Super, maybe they didn't intentionally press it to begin with. Therefore, refuse to go into a state where knowledge about super-drags is necessary.
- bool force_titlebar_visible = !(m_keyboard_modifiers & Mod_Super);
- m_move_window->nudge_into_desktop(&cursor_screen, force_titlebar_visible);
- } else if (pixels_moved_from_start > 5) {
- m_move_window->set_untiled(event.position());
- m_move_origin = event.position();
- m_move_window_origin = m_move_window->position();
- }
- }
- }
- return true;
- }
- bool WindowManager::process_ongoing_window_resize(MouseEvent const& event)
- {
- if (!m_resize_window)
- return false;
- if (event.type() == Event::MouseUp && event.button() == m_resizing_mouse_button) {
- dbgln_if(RESIZE_DEBUG, "[WM] Finish resizing Window({})", m_resize_window);
- auto max_rect = maximized_window_rect(*m_resize_window);
- if (event.y() > max_rect.bottom()) {
- dbgln_if(RESIZE_DEBUG, "Should Maximize vertically");
- m_resize_window->set_vertically_maximized();
- m_resize_window = nullptr;
- m_resizing_mouse_button = MouseButton::None;
- return true;
- }
- Core::EventLoop::current().post_event(*m_resize_window, make<ResizeEvent>(m_resize_window->rect()));
- m_resize_window->invalidate(true, true);
- m_resize_window = nullptr;
- m_resizing_mouse_button = MouseButton::None;
- return true;
- }
- if (event.type() != Event::MouseMove)
- return true;
- int diff_x = event.x() - m_resize_origin.x();
- int diff_y = event.y() - m_resize_origin.y();
- int change_w = 0;
- int change_h = 0;
- switch (m_resize_direction) {
- case ResizeDirection::DownRight:
- change_w = diff_x;
- change_h = diff_y;
- break;
- case ResizeDirection::Right:
- change_w = diff_x;
- break;
- case ResizeDirection::UpRight:
- change_w = diff_x;
- change_h = -diff_y;
- break;
- case ResizeDirection::Up:
- change_h = -diff_y;
- break;
- case ResizeDirection::UpLeft:
- change_w = -diff_x;
- change_h = -diff_y;
- break;
- case ResizeDirection::Left:
- change_w = -diff_x;
- break;
- case ResizeDirection::DownLeft:
- change_w = -diff_x;
- change_h = diff_y;
- break;
- case ResizeDirection::Down:
- change_h = diff_y;
- break;
- default:
- VERIFY_NOT_REACHED();
- }
- auto new_rect = m_resize_window_original_rect;
- // First, size the new rect.
- new_rect.set_width(new_rect.width() + change_w);
- new_rect.set_height(new_rect.height() + change_h);
- m_resize_window->apply_minimum_size(new_rect);
- if (!m_resize_window->size_increment().is_null()) {
- int horizontal_incs = (new_rect.width() - m_resize_window->base_size().width()) / m_resize_window->size_increment().width();
- new_rect.set_width(m_resize_window->base_size().width() + horizontal_incs * m_resize_window->size_increment().width());
- int vertical_incs = (new_rect.height() - m_resize_window->base_size().height()) / m_resize_window->size_increment().height();
- new_rect.set_height(m_resize_window->base_size().height() + vertical_incs * m_resize_window->size_increment().height());
- }
- if (m_resize_window->resize_aspect_ratio().has_value()) {
- auto& ratio = m_resize_window->resize_aspect_ratio().value();
- auto base_size = m_resize_window->base_size();
- if (abs(change_w) > abs(change_h)) {
- new_rect.set_height(base_size.height() + (new_rect.width() - base_size.width()) * ratio.height() / ratio.width());
- } else {
- new_rect.set_width(base_size.width() + (new_rect.height() - base_size.height()) * ratio.width() / ratio.height());
- }
- }
- // Second, set its position so that the sides of the window
- // that end up moving are the same ones as the user is dragging,
- // no matter which part of the logic above caused us to decide
- // to resize by this much.
- switch (m_resize_direction) {
- case ResizeDirection::DownRight:
- case ResizeDirection::Right:
- case ResizeDirection::Down:
- break;
- case ResizeDirection::Left:
- case ResizeDirection::Up:
- case ResizeDirection::UpLeft:
- new_rect.set_right_without_resize(m_resize_window_original_rect.right());
- new_rect.set_bottom_without_resize(m_resize_window_original_rect.bottom());
- break;
- case ResizeDirection::UpRight:
- new_rect.set_bottom_without_resize(m_resize_window_original_rect.bottom());
- break;
- case ResizeDirection::DownLeft:
- new_rect.set_right_without_resize(m_resize_window_original_rect.right());
- break;
- default:
- VERIFY_NOT_REACHED();
- }
- if (m_resize_window->rect() == new_rect)
- return true;
- dbgln_if(RESIZE_DEBUG, "[WM] Resizing, original: {}, now: {}", m_resize_window_original_rect, new_rect);
- m_resize_window->set_rect(new_rect);
- Core::EventLoop::current().post_event(*m_resize_window, make<ResizeEvent>(new_rect));
- return true;
- }
- bool WindowManager::process_ongoing_drag(MouseEvent& event)
- {
- if (!m_dnd_client)
- return false;
- if (event.type() == Event::MouseMove) {
- // We didn't let go of the drag yet, see if we should send some drag move events..
- m_window_stack.for_each_visible_window_from_front_to_back([&](Window& window) {
- if (!window.rect().contains(event.position()))
- return IterationDecision::Continue;
- event.set_drag(true);
- event.set_mime_data(*m_dnd_mime_data);
- deliver_mouse_event(window, event, false);
- return IterationDecision::Break;
- });
- }
- if (!(event.type() == Event::MouseUp && event.button() == MouseButton::Left))
- return true;
- if (auto* window = m_window_stack.window_at(event.position())) {
- m_dnd_client->async_drag_accepted();
- if (window->client()) {
- auto translated_event = event.translated(-window->position());
- window->client()->async_drag_dropped(window->window_id(), translated_event.position(), m_dnd_text, m_dnd_mime_data->all_data());
- }
- } else {
- m_dnd_client->async_drag_cancelled();
- }
- end_dnd_drag();
- return true;
- }
- void WindowManager::set_cursor_tracking_button(Button* button)
- {
- m_cursor_tracking_button = button;
- }
- auto WindowManager::DoubleClickInfo::metadata_for_button(MouseButton button) const -> ClickMetadata const&
- {
- switch (button) {
- case MouseButton::Left:
- return m_left;
- case MouseButton::Right:
- return m_right;
- case MouseButton::Middle:
- return m_middle;
- case MouseButton::Back:
- return m_back;
- case MouseButton::Forward:
- return m_forward;
- default:
- VERIFY_NOT_REACHED();
- }
- }
- auto WindowManager::DoubleClickInfo::metadata_for_button(MouseButton button) -> ClickMetadata&
- {
- switch (button) {
- case MouseButton::Left:
- return m_left;
- case MouseButton::Right:
- return m_right;
- case MouseButton::Middle:
- return m_middle;
- case MouseButton::Back:
- return m_back;
- case MouseButton::Forward:
- return m_forward;
- default:
- VERIFY_NOT_REACHED();
- }
- }
- bool WindowManager::is_considered_doubleclick(MouseEvent const& event, DoubleClickInfo::ClickMetadata const& metadata) const
- {
- int elapsed_since_last_click = metadata.clock.elapsed();
- if (elapsed_since_last_click < m_double_click_speed) {
- auto diff = event.position() - metadata.last_position;
- auto distance_travelled_squared = diff.x() * diff.x() + diff.y() * diff.y();
- if (distance_travelled_squared <= (m_max_distance_for_double_click * m_max_distance_for_double_click))
- return true;
- }
- return false;
- }
- void WindowManager::start_menu_doubleclick(Window& window, MouseEvent const& event)
- {
- // This is a special case. Basically, we're trying to determine whether
- // double clicking on the window menu icon happened. In this case, the
- // WindowFrame only receives a MouseDown event, and since the window
- // menu popus up, it does not see the MouseUp event. But, if they subsequently
- // click there again, the menu is closed and we receive a MouseUp event.
- // So, in order to be able to detect a double click when a menu is being
- // opened by the MouseDown event, we need to consider the MouseDown event
- // as a potential double-click trigger
- VERIFY(event.type() == Event::MouseDown);
- auto& metadata = m_double_click_info.metadata_for_button(event.button());
- if (&window != m_double_click_info.m_clicked_window) {
- // we either haven't clicked anywhere, or we haven't clicked on this
- // window. set the current click window, and reset the timers.
- dbgln_if(DOUBLECLICK_DEBUG, "Initial mousedown on Window({}) for menus (previous was {})", &window, m_double_click_info.m_clicked_window);
- m_double_click_info.m_clicked_window = window;
- m_double_click_info.reset();
- }
- metadata.last_position = event.position();
- metadata.clock.start();
- }
- bool WindowManager::is_menu_doubleclick(Window& window, MouseEvent const& event) const
- {
- VERIFY(event.type() == Event::MouseUp);
- if (&window != m_double_click_info.m_clicked_window)
- return false;
- auto& metadata = m_double_click_info.metadata_for_button(event.button());
- if (!metadata.clock.is_valid())
- return false;
- return is_considered_doubleclick(event, metadata);
- }
- void WindowManager::process_event_for_doubleclick(Window& window, MouseEvent& event)
- {
- // We only care about button presses (because otherwise it's not a doubleclick, duh!)
- VERIFY(event.type() == Event::MouseUp);
- if (&window != m_double_click_info.m_clicked_window) {
- // we either haven't clicked anywhere, or we haven't clicked on this
- // window. set the current click window, and reset the timers.
- dbgln_if(DOUBLECLICK_DEBUG, "Initial mouseup on Window({}) for menus (previous was {})", &window, m_double_click_info.m_clicked_window);
- m_double_click_info.m_clicked_window = window;
- m_double_click_info.reset();
- }
- auto& metadata = m_double_click_info.metadata_for_button(event.button());
- if (!metadata.clock.is_valid() || !is_considered_doubleclick(event, metadata)) {
- // either the clock is invalid because we haven't clicked on this
- // button on this window yet, so there's nothing to do, or this
- // isn't considered to be a double click. either way, restart the
- // clock
- metadata.clock.start();
- } else {
- dbgln_if(DOUBLECLICK_DEBUG, "Transforming MouseUp to MouseDoubleClick ({} < {})!", metadata.clock.elapsed(), m_double_click_speed);
- event = MouseEvent(Event::MouseDoubleClick, event.position(), event.buttons(), event.button(), event.modifiers(), event.wheel_delta());
- // invalidate this now we've delivered a doubleclick, otherwise
- // tripleclick will deliver two doubleclick events (incorrectly).
- metadata.clock = {};
- }
- metadata.last_position = event.position();
- }
- void WindowManager::deliver_mouse_event(Window& window, MouseEvent const& event, bool process_double_click)
- {
- auto translated_event = event.translated(-window.position());
- window.dispatch_event(translated_event);
- if (process_double_click && translated_event.type() == Event::MouseUp) {
- process_event_for_doubleclick(window, translated_event);
- if (translated_event.type() == Event::MouseDoubleClick)
- window.dispatch_event(translated_event);
- }
- }
- bool WindowManager::process_ongoing_active_input_mouse_event(MouseEvent const& event)
- {
- if (!m_active_input_tracking_window)
- return false;
- // At this point, we have delivered the start of an input sequence to a
- // client application. We must keep delivering to that client
- // application until the input sequence is done.
- //
- // This prevents e.g. moving on one window out of the bounds starting
- // a move in that other unrelated window, and other silly shenanigans.
- deliver_mouse_event(*m_active_input_tracking_window, event, true);
- if (event.type() == Event::MouseUp && event.buttons() == 0) {
- m_active_input_tracking_window = nullptr;
- }
- return true;
- }
- bool WindowManager::process_mouse_event_for_titlebar_buttons(MouseEvent const& event)
- {
- if (m_cursor_tracking_button) {
- m_cursor_tracking_button->on_mouse_event(event.translated(-m_cursor_tracking_button->screen_rect().location()));
- return true;
- }
- // This is quite hackish, but it's how the Button hover effect is implemented.
- if (m_hovered_button && event.type() == Event::MouseMove)
- m_hovered_button->on_mouse_event(event.translated(-m_hovered_button->screen_rect().location()));
- return false;
- }
- void WindowManager::process_mouse_event_for_window(HitTestResult& result, MouseEvent const& event)
- {
- auto& window = *result.window;
- auto* blocking_modal_window = window.blocking_modal_window();
- // First check if we should initiate a move or resize (Super+LMB or Super+RMB).
- // In those cases, the event is swallowed by the window manager.
- if (!blocking_modal_window && window.is_movable()) {
- if (!window.is_fullscreen() && m_keyboard_modifiers == Mod_Super && event.type() == Event::MouseDown && event.button() == MouseButton::Left) {
- start_window_move(window, event);
- return;
- }
- if (window.is_resizable() && m_keyboard_modifiers == Mod_Super && event.type() == Event::MouseDown && event.button() == MouseButton::Right && !window.blocking_modal_window()) {
- start_window_resize(window, event);
- return;
- }
- }
- if (event.type() == Event::MouseDown) {
- if (window.type() == WindowType::Normal || window.type() == WindowType::ToolWindow)
- move_to_front_and_make_active(window);
- else if (window.type() == WindowType::Desktop)
- set_active_window(&window);
- }
- if (blocking_modal_window) {
- if (event.type() == Event::Type::MouseDown) {
- // We're clicking on something that's blocked by a modal window.
- // Flash the modal window to let the user know about it.
- blocking_modal_window->frame().start_flash_animation();
- }
- // Don't send mouse events to windows blocked by a modal child.
- return;
- }
- if (result.is_frame_hit) {
- // We are hitting the frame, pass the event along to WindowFrame.
- window.frame().handle_mouse_event(event.translated(-window.frame().rect().location()));
- return;
- }
- if (!window.global_cursor_tracking()) {
- deliver_mouse_event(window, event, true);
- }
- if (event.type() == Event::MouseDown)
- m_active_input_tracking_window = window;
- }
- void WindowManager::process_mouse_event(MouseEvent& event)
- {
- // 0. Forget the resize candidate (window that we could initiate a resize of from the current cursor position.)
- // A new resize candidate may be determined if we hit an appropriate part of a window.
- clear_resize_candidate();
- // 1. Process ongoing drag events. This is done first to avoid clashing with global cursor tracking.
- if (process_ongoing_drag(event))
- return;
- // 2. Send the mouse event to all windows with global cursor tracking enabled.
- // The active input tracking window is excluded here because we're sending the event to it
- // in the next step.
- m_window_stack.for_each_visible_window_from_front_to_back([&](Window& window) {
- if (window.global_cursor_tracking() && &window != m_active_input_tracking_window)
- deliver_mouse_event(window, event, false);
- return IterationDecision::Continue;
- });
- // 3. If there's an active input tracking window, all mouse events go there.
- // Tracking ends after all mouse buttons have been released.
- if (process_ongoing_active_input_mouse_event(event))
- return;
- // 4. If there's a window being moved around, take care of that.
- if (process_ongoing_window_move(event))
- return;
- // 5. If there's a window being resized, take care of that.
- if (process_ongoing_window_resize(event))
- return;
- // 6. If the event is inside a titlebar button, WindowServer implements all
- // the behavior for those buttons internally.
- if (process_mouse_event_for_titlebar_buttons(event))
- return;
- // 7. If there are menus open, deal with them now. (FIXME: This needs to be cleaned up & simplified!)
- bool hitting_menu_in_window_with_active_menu = [&] {
- if (!m_window_with_active_menu)
- return false;
- auto& frame = m_window_with_active_menu->frame();
- return frame.menubar_rect().contains(event.position().translated(-frame.rect().location()));
- }();
- // FIXME: This is quite hackish, we clear the hovered menu before potentially setting the same menu
- // as hovered again. This makes sure that the hovered state doesn't linger after moving the
- // cursor away from a hovered menu.
- MenuManager::the().set_hovered_menu(nullptr);
- if (MenuManager::the().has_open_menu()
- || hitting_menu_in_window_with_active_menu) {
- if (!hitting_menu_in_window_with_active_menu) {
- MenuManager::the().dispatch_event(event);
- return;
- }
- }
- // 8. Hit test the window stack to see what's under the cursor.
- auto result = m_window_stack.hit_test(event.position());
- if (!result.has_value()) {
- // No window is under the cursor.
- if (event.type() == Event::MouseDown) {
- // Clicked outside of any window -> no active window.
- // FIXME: Is this actually necessary? The desktop window should catch everything anyway.
- set_active_window(nullptr);
- }
- return;
- }
- process_mouse_event_for_window(result.value(), event);
- }
- void WindowManager::reevaluate_hovered_window(Window* updated_window)
- {
- if (m_dnd_client || m_resize_window || m_move_window || m_cursor_tracking_button || MenuManager::the().has_open_menu())
- return;
- auto cursor_location = ScreenInput::the().cursor_location();
- auto* currently_hovered = hovered_window();
- if (updated_window) {
- if (!(updated_window == currently_hovered || updated_window->frame().rect().contains(cursor_location) || (currently_hovered && currently_hovered->frame().rect().contains(cursor_location))))
- return;
- }
- Window* hovered_window = nullptr;
- if (auto* fullscreen_window = active_fullscreen_window()) {
- if (fullscreen_window->hit_test(cursor_location).has_value())
- hovered_window = fullscreen_window;
- } else {
- hovered_window = m_window_stack.window_at(cursor_location);
- }
- if (set_hovered_window(hovered_window)) {
- if (currently_hovered && m_resize_candidate == currently_hovered)
- clear_resize_candidate();
- if (hovered_window) {
- // Send a fake MouseMove event. This allows the new hovering window
- // to determine which widget we're hovering, and also update the cursor
- // accordingly. We do this because this re-evaluation of the currently
- // hovered window wasn't triggered by a mouse move event, but rather
- // e.g. a hit-test result change due to a transparent window repaint.
- if (hovered_window->hit_test(cursor_location, false).has_value()) {
- MouseEvent event(Event::MouseMove, cursor_location.translated(-hovered_window->rect().location()), 0, MouseButton::None, 0);
- hovered_window->dispatch_event(event);
- } else if (!hovered_window->is_frameless()) {
- MouseEvent event(Event::MouseMove, cursor_location.translated(-hovered_window->frame().rect().location()), 0, MouseButton::None, 0);
- hovered_window->frame().handle_mouse_event(event);
- }
- }
- }
- }
- void WindowManager::clear_resize_candidate()
- {
- if (m_resize_candidate)
- Compositor::the().invalidate_cursor();
- m_resize_candidate = nullptr;
- }
- Gfx::IntRect WindowManager::desktop_rect(Screen& screen) const
- {
- if (active_fullscreen_window())
- return Screen::main().rect(); // TODO: we should support fullscreen windows on any screen
- auto screen_rect = screen.rect();
- if (screen.is_main_screen())
- screen_rect.set_height(screen.height() - 28);
- return screen_rect;
- }
- Gfx::IntRect WindowManager::arena_rect_for_type(Screen& screen, WindowType type) const
- {
- switch (type) {
- case WindowType::Desktop:
- return Screen::bounding_rect();
- case WindowType::Normal:
- case WindowType::ToolWindow:
- return desktop_rect(screen);
- case WindowType::Menu:
- case WindowType::WindowSwitcher:
- case WindowType::Taskbar:
- case WindowType::Tooltip:
- case WindowType::Applet:
- case WindowType::Notification:
- return screen.rect();
- default:
- VERIFY_NOT_REACHED();
- }
- }
- void WindowManager::event(Core::Event& event)
- {
- if (static_cast<Event&>(event).is_mouse_event()) {
- auto& mouse_event = static_cast<MouseEvent&>(event);
- if (mouse_event.type() != Event::MouseMove)
- m_previous_event_was_super_keydown = false;
- process_mouse_event(mouse_event);
- set_hovered_window(m_window_stack.window_at(mouse_event.position(), WindowStack::IncludeWindowFrame::No));
- return;
- }
- if (static_cast<Event&>(event).is_key_event()) {
- process_key_event(static_cast<KeyEvent&>(event));
- return;
- }
- Core::Object::event(event);
- }
- void WindowManager::process_key_event(KeyEvent& event)
- {
- m_keyboard_modifiers = event.modifiers();
- // Escape key cancels an ongoing drag.
- if (event.type() == Event::KeyDown && event.key() == Key_Escape && m_dnd_client) {
- // Notify the drag-n-drop client that the drag was cancelled.
- m_dnd_client->async_drag_cancelled();
- // Also notify the currently hovered window (if any) that the ongoing drag was cancelled.
- if (m_hovered_window && m_hovered_window->client() && m_hovered_window->client() != m_dnd_client)
- m_hovered_window->client()->async_drag_cancelled();
- end_dnd_drag();
- return;
- }
- // FIXME: This is fragile, the kernel should send a signal when we switch back to the WindowManager's framebuffer
- if (event.type() == Event::KeyDown && (event.modifiers() & Mod_Alt) && (event.key() == Key_ExclamationPoint || event.key() == Key_1)) {
- Compositor::the().invalidate_screen();
- return;
- }
- if (event.type() == Event::KeyDown && (event.modifiers() == (Mod_Ctrl | Mod_Super | Mod_Shift) && event.key() == Key_I)) {
- reload_icon_bitmaps_after_scale_change();
- Compositor::the().invalidate_screen();
- return;
- }
- if (event.type() == Event::KeyDown && event.key() == Key_Super) {
- m_previous_event_was_super_keydown = true;
- } else if (m_previous_event_was_super_keydown) {
- m_previous_event_was_super_keydown = false;
- if (!m_dnd_client && !m_active_input_tracking_window && event.type() == Event::KeyUp && event.key() == Key_Super) {
- tell_wms_super_key_pressed();
- return;
- }
- }
- if (MenuManager::the().current_menu() && event.key() != Key_Super) {
- MenuManager::the().dispatch_event(event);
- return;
- }
- if (event.type() == Event::KeyDown && ((event.modifiers() == Mod_Super && event.key() == Key_Tab) || (event.modifiers() == (Mod_Super | Mod_Shift) && event.key() == Key_Tab)))
- m_switcher.show();
- if (m_switcher.is_visible()) {
- m_switcher.on_key_event(event);
- return;
- }
- if (!m_active_input_window)
- return;
- if (event.type() == Event::KeyDown && event.modifiers() == Mod_Super && m_active_input_window->type() != WindowType::Desktop) {
- if (event.key() == Key_Down) {
- if (m_active_input_window->is_resizable() && m_active_input_window->is_maximized()) {
- maximize_windows(*m_active_input_window, false);
- return;
- }
- if (m_active_input_window->is_minimizable())
- minimize_windows(*m_active_input_window, true);
- return;
- }
- if (m_active_input_window->is_resizable()) {
- if (event.key() == Key_Up) {
- maximize_windows(*m_active_input_window, !m_active_input_window->is_maximized());
- return;
- }
- if (event.key() == Key_Left) {
- if (m_active_input_window->tiled() == WindowTileType::Left)
- return;
- if (m_active_input_window->tiled() != WindowTileType::None) {
- m_active_input_window->set_untiled();
- return;
- }
- if (m_active_input_window->is_maximized())
- maximize_windows(*m_active_input_window, false);
- m_active_input_window->set_tiled(nullptr, WindowTileType::Left);
- return;
- }
- if (event.key() == Key_Right) {
- if (m_active_input_window->tiled() == WindowTileType::Right)
- return;
- if (m_active_input_window->tiled() != WindowTileType::None) {
- m_active_input_window->set_untiled();
- return;
- }
- if (m_active_input_window->is_maximized())
- maximize_windows(*m_active_input_window, false);
- m_active_input_window->set_tiled(nullptr, WindowTileType::Right);
- return;
- }
- }
- }
- m_active_input_window->dispatch_event(event);
- }
- void WindowManager::set_highlight_window(Window* new_highlight_window)
- {
- if (new_highlight_window == m_window_stack.highlight_window())
- return;
- auto* previous_highlight_window = m_window_stack.highlight_window();
- m_window_stack.set_highlight_window(new_highlight_window);
- if (previous_highlight_window) {
- previous_highlight_window->invalidate(true, true);
- Compositor::the().invalidate_screen(previous_highlight_window->frame().render_rect());
- }
- if (new_highlight_window) {
- new_highlight_window->invalidate(true, true);
- Compositor::the().invalidate_screen(new_highlight_window->frame().render_rect());
- }
- // Invalidate occlusions in case the state change changes geometry
- Compositor::the().invalidate_occlusions();
- }
- bool WindowManager::is_active_window_or_accessory(Window& window) const
- {
- if (window.is_accessory())
- return window.parent_window()->is_active();
- return window.is_active();
- }
- static bool window_type_can_become_active(WindowType type)
- {
- return type == WindowType::Normal || type == WindowType::ToolWindow || type == WindowType::Desktop;
- }
- void WindowManager::restore_active_input_window(Window* window)
- {
- // If the previous active input window is gone, fall back to the
- // current active window
- if (!window)
- window = active_window();
- // If the current active window is also gone, pick some other window
- if (!window && pick_new_active_window(nullptr))
- return;
- if (window && !window->is_minimized() && window->is_visible())
- set_active_input_window(window);
- else
- set_active_input_window(nullptr);
- }
- Window* WindowManager::set_active_input_window(Window* window)
- {
- if (window == m_active_input_window)
- return window;
- Window* previous_input_window = m_active_input_window;
- if (previous_input_window)
- Core::EventLoop::current().post_event(*previous_input_window, make<Event>(Event::WindowInputLeft));
- if (window) {
- m_active_input_window = *window;
- Core::EventLoop::current().post_event(*window, make<Event>(Event::WindowInputEntered));
- } else {
- m_active_input_window = nullptr;
- }
- return previous_input_window;
- }
- void WindowManager::set_active_window(Window* new_active_window, bool make_input)
- {
- if (new_active_window) {
- if (auto* modal_window = new_active_window->blocking_modal_window()) {
- VERIFY(modal_window->is_modal());
- VERIFY(modal_window != new_active_window);
- new_active_window = modal_window;
- make_input = true;
- }
- if (!window_type_can_become_active(new_active_window->type()))
- return;
- }
- auto* new_active_input_window = new_active_window;
- if (new_active_window && new_active_window->is_accessory()) {
- // The parent of an accessory window is always the active
- // window, but input is routed to the accessory window
- new_active_window = new_active_window->parent_window();
- }
- if (make_input)
- set_active_input_window(new_active_input_window);
- if (new_active_window == m_window_stack.active_window())
- return;
- if (auto* previously_active_window = m_window_stack.active_window()) {
- for (auto& child_window : previously_active_window->child_windows()) {
- if (child_window && child_window->type() == WindowType::Tooltip)
- child_window->request_close();
- }
- Core::EventLoop::current().post_event(*previously_active_window, make<Event>(Event::WindowDeactivated));
- previously_active_window->invalidate(true, true);
- m_window_stack.set_active_window(nullptr);
- m_active_input_tracking_window = nullptr;
- tell_wms_window_state_changed(*previously_active_window);
- }
- if (new_active_window) {
- m_window_stack.set_active_window(new_active_window);
- Core::EventLoop::current().post_event(*new_active_window, make<Event>(Event::WindowActivated));
- new_active_window->invalidate(true, true);
- tell_wms_window_state_changed(*new_active_window);
- }
- // Window shapes may have changed (e.g. shadows for inactive/active windows)
- Compositor::the().invalidate_occlusions();
- }
- bool WindowManager::set_hovered_window(Window* window)
- {
- if (m_hovered_window == window)
- return false;
- if (m_hovered_window)
- Core::EventLoop::current().post_event(*m_hovered_window, make<Event>(Event::WindowLeft));
- m_hovered_window = window;
- if (m_hovered_window)
- Core::EventLoop::current().post_event(*m_hovered_window, make<Event>(Event::WindowEntered));
- return true;
- }
- ClientConnection const* WindowManager::active_client() const
- {
- if (auto* window = m_window_stack.active_window())
- return window->client();
- return nullptr;
- }
- Cursor const& WindowManager::active_cursor() const
- {
- if (m_dnd_client)
- return *m_drag_cursor;
- if (m_move_window)
- return *m_move_cursor;
- if (m_resize_window || m_resize_candidate) {
- switch (m_resize_direction) {
- case ResizeDirection::Up:
- case ResizeDirection::Down:
- return *m_resize_vertically_cursor;
- case ResizeDirection::Left:
- case ResizeDirection::Right:
- return *m_resize_horizontally_cursor;
- case ResizeDirection::UpLeft:
- case ResizeDirection::DownRight:
- return *m_resize_diagonally_tlbr_cursor;
- case ResizeDirection::UpRight:
- case ResizeDirection::DownLeft:
- return *m_resize_diagonally_bltr_cursor;
- case ResizeDirection::None:
- break;
- }
- }
- if (m_hovered_window) {
- if (auto* modal_window = const_cast<Window&>(*m_hovered_window).blocking_modal_window()) {
- if (modal_window->cursor())
- return *modal_window->cursor();
- } else if (m_hovered_window->cursor()) {
- return *m_hovered_window->cursor();
- }
- }
- return *m_arrow_cursor;
- }
- void WindowManager::set_hovered_button(Button* button)
- {
- m_hovered_button = button;
- }
- void WindowManager::set_resize_candidate(Window& window, ResizeDirection direction)
- {
- m_resize_candidate = window;
- m_resize_direction = direction;
- }
- ResizeDirection WindowManager::resize_direction_of_window(Window const& window)
- {
- if (&window != m_resize_window)
- return ResizeDirection::None;
- return m_resize_direction;
- }
- Gfx::IntRect WindowManager::maximized_window_rect(Window const& window, bool relative_to_window_screen) const
- {
- auto& screen = Screen::closest_to_rect(window.frame().rect());
- Gfx::IntRect rect = screen.rect();
- // Subtract window title bar (leaving the border)
- rect.set_y(rect.y() + window.frame().titlebar_rect().height() + window.frame().menubar_rect().height());
- rect.set_height(rect.height() - window.frame().titlebar_rect().height() - window.frame().menubar_rect().height());
- if (screen.is_main_screen()) {
- // Subtract taskbar window height if present
- const_cast<WindowManager*>(this)->m_window_stack.for_each_visible_window_of_type_from_back_to_front(WindowType::Taskbar, [&rect](Window& taskbar_window) {
- rect.set_height(rect.height() - taskbar_window.height());
- return IterationDecision::Break;
- });
- }
- constexpr int tasteful_space_above_maximized_window = 1;
- rect.set_y(rect.y() + tasteful_space_above_maximized_window);
- rect.set_height(rect.height() - tasteful_space_above_maximized_window);
- if (relative_to_window_screen)
- rect.translate_by(-screen.rect().location());
- return rect;
- }
- void WindowManager::start_dnd_drag(ClientConnection& client, String const& text, Gfx::Bitmap const* bitmap, Core::MimeData const& mime_data)
- {
- VERIFY(!m_dnd_client);
- m_dnd_client = client;
- m_dnd_text = text;
- m_dnd_bitmap = bitmap;
- m_dnd_mime_data = mime_data;
- Compositor::the().invalidate_cursor();
- m_active_input_tracking_window = nullptr;
- }
- void WindowManager::end_dnd_drag()
- {
- VERIFY(m_dnd_client);
- Compositor::the().invalidate_cursor();
- m_dnd_client = nullptr;
- m_dnd_text = {};
- m_dnd_bitmap = nullptr;
- }
- Gfx::IntRect WindowManager::dnd_rect() const
- {
- int bitmap_width = m_dnd_bitmap ? m_dnd_bitmap->width() : 0;
- int bitmap_height = m_dnd_bitmap ? m_dnd_bitmap->height() : 0;
- int width = font().width(m_dnd_text) + bitmap_width;
- int height = max((int)font().glyph_height(), bitmap_height);
- auto location = Compositor::the().current_cursor_rect().center().translated(8, 8);
- return Gfx::IntRect(location, { width, height }).inflated(16, 8);
- }
- void WindowManager::invalidate_after_theme_or_font_change()
- {
- Compositor::the().set_background_color(m_config->read_entry("Background", "Color", palette().desktop_background().to_string()));
- WindowFrame::reload_config();
- m_window_stack.for_each_window([&](Window& window) {
- window.frame().theme_changed();
- return IterationDecision::Continue;
- });
- ClientConnection::for_each_client([&](ClientConnection& client) {
- client.async_update_system_theme(Gfx::current_system_theme_buffer());
- });
- MenuManager::the().did_change_theme();
- AppletManager::the().did_change_theme();
- Compositor::the().invalidate_occlusions();
- Compositor::the().invalidate_screen();
- }
- bool WindowManager::update_theme(String theme_path, String theme_name)
- {
- auto new_theme = Gfx::load_system_theme(theme_path);
- if (!new_theme.is_valid())
- return false;
- Gfx::set_system_theme(new_theme);
- m_palette = Gfx::PaletteImpl::create_with_anonymous_buffer(new_theme);
- auto wm_config = Core::ConfigFile::open("/etc/WindowServer.ini");
- wm_config->write_entry("Theme", "Name", theme_name);
- wm_config->remove_entry("Background", "Color");
- wm_config->sync();
- invalidate_after_theme_or_font_change();
- return true;
- }
- void WindowManager::did_popup_a_menu(Badge<Menu>)
- {
- // Clear any ongoing input gesture
- if (!m_active_input_tracking_window)
- return;
- m_active_input_tracking_window->set_automatic_cursor_tracking_enabled(false);
- m_active_input_tracking_window = nullptr;
- }
- void WindowManager::minimize_windows(Window& window, bool minimized)
- {
- for_each_window_in_modal_stack(window, [&](auto& w, bool) {
- w.set_minimized(minimized);
- return IterationDecision::Continue;
- });
- }
- void WindowManager::maximize_windows(Window& window, bool maximized)
- {
- for_each_window_in_modal_stack(window, [&](auto& w, bool stack_top) {
- if (stack_top)
- w.set_maximized(maximized);
- if (w.is_minimized())
- w.set_minimized(false);
- return IterationDecision::Continue;
- });
- }
- Gfx::IntPoint WindowManager::get_recommended_window_position(Gfx::IntPoint const& desired)
- {
- // FIXME: Find a better source for the width and height to shift by.
- Gfx::IntPoint shift(8, Gfx::WindowTheme::current().titlebar_height(Gfx::WindowTheme::WindowType::Normal, palette()) + 10);
- // FIXME: Find a better source for this.
- int taskbar_height = 28;
- Window const* overlap_window = nullptr;
- m_window_stack.for_each_visible_window_of_type_from_front_to_back(WindowType::Normal, [&](Window& window) {
- if (window.default_positioned() && (!overlap_window || overlap_window->window_id() < window.window_id())) {
- overlap_window = &window;
- }
- return IterationDecision::Continue;
- });
- Gfx::IntPoint point;
- if (overlap_window) {
- auto& screen = Screen::closest_to_location(desired);
- point = overlap_window->position() + shift;
- point = { point.x() % screen.width(),
- (point.y() >= (screen.height() - (screen.is_main_screen() ? taskbar_height : 0)))
- ? Gfx::WindowTheme::current().titlebar_height(Gfx::WindowTheme::WindowType::Normal, palette())
- : point.y() };
- } else {
- point = desired;
- }
- return point;
- }
- void WindowManager::reload_icon_bitmaps_after_scale_change()
- {
- reload_config();
- m_window_stack.for_each_window([&](Window& window) {
- auto& window_frame = window.frame();
- window_frame.theme_changed();
- return IterationDecision::Continue;
- });
- }
- void WindowManager::set_window_with_active_menu(Window* window)
- {
- if (m_window_with_active_menu == window)
- return;
- if (window)
- m_window_with_active_menu = window->make_weak_ptr<Window>();
- else
- m_window_with_active_menu = nullptr;
- }
- }
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