WindowServer: Move classes into WindowServer namespace

Also remove the leading WS from names and filenames.

1 files changed, 273 insertions, 0 deletions

diff --git a/Servers/WindowServer/Window.h b/Servers/WindowServer/Window.h
new file mode 100644
index 0000000000..9d016c640f
--- /dev/null
+++ b/Servers/WindowServer/Window.h
@@ -0,0 +1,273 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/InlineLinkedList.h>
+#include <AK/String.h>
+#include <LibCore/Object.h>
+#include <LibGfx/Bitmap.h>
+#include <LibGfx/DisjointRectSet.h>
+#include <LibGfx/Rect.h>
+#include <WindowServer/WindowFrame.h>
+#include <WindowServer/WindowType.h>
+
+namespace WindowServer {
+
+class ClientConnection;
+class Cursor;
+class Menu;
+class MouseEvent;
+
+enum WMEventMask {
+    WindowRectChanges = 1 << 0,
+    WindowStateChanges = 1 << 1,
+    WindowIconChanges = 1 << 2,
+    WindowRemovals = 1 << 3,
+};
+
+enum class WindowTileType {
+    None = 0,
+    Left,
+    Right,
+};
+
+enum class PopupMenuItem {
+    Minimize = 0,
+    Maximize,
+};
+
+class Window final : public Core::Object
+    , public InlineLinkedListNode<Window> {
+    C_OBJECT(Window)
+public:
+    Window(ClientConnection&, WindowType, int window_id, bool modal, bool minimizable, bool resizable, bool fullscreen);
+    Window(Core::Object&, WindowType);
+    virtual ~Window() override;
+
+    void popup_window_menu(const Gfx::Point&);
+    void request_close();
+
+    unsigned wm_event_mask() const { return m_wm_event_mask; }
+    void set_wm_event_mask(unsigned mask) { m_wm_event_mask = mask; }
+
+    bool is_minimized() const { return m_minimized; }
+    void set_minimized(bool);
+
+    bool is_minimizable() const { return m_minimizable; }
+    void set_minimizable(bool);
+
+    bool is_resizable() const { return m_resizable && !m_fullscreen; }
+    void set_resizable(bool);
+
+    bool is_maximized() const { return m_maximized; }
+    void set_maximized(bool);
+
+    bool is_fullscreen() const { return m_fullscreen; }
+    void set_fullscreen(bool);
+
+    WindowTileType tiled() const { return m_tiled; }
+    void set_tiled(WindowTileType);
+
+    bool is_occluded() const { return m_occluded; }
+    void set_occluded(bool);
+
+    bool show_titlebar() const { return m_show_titlebar; }
+    void set_show_titlebar(bool show) { m_show_titlebar = show; }
+
+    bool is_movable() const
+    {
+        return m_type == WindowType::Normal;
+    }
+
+    WindowFrame& frame() { return m_frame; }
+    const WindowFrame& frame() const { return m_frame; }
+
+    bool is_blocked_by_modal_window() const;
+
+    bool listens_to_wm_events() const { return m_listens_to_wm_events; }
+
+    ClientConnection* client() { return m_client; }
+    const ClientConnection* client() const { return m_client; }
+
+    WindowType type() const { return m_type; }
+    int window_id() const { return m_window_id; }
+
+    bool is_internal() const { return m_client_id == -1; }
+    i32 client_id() const { return m_client_id; }
+
+    String title() const { return m_title; }
+    void set_title(const String&);
+
+    float opacity() const { return m_opacity; }
+    void set_opacity(float);
+
+    int x() const { return m_rect.x(); }
+    int y() const { return m_rect.y(); }
+    int width() const { return m_rect.width(); }
+    int height() const { return m_rect.height(); }
+
+    bool is_active() const;
+
+    bool is_visible() const { return m_visible; }
+    void set_visible(bool);
+
+    bool is_modal() const { return m_modal; }
+
+    Gfx::Rect rect() const { return m_rect; }
+    void set_rect(const Gfx::Rect&);
+    void set_rect(int x, int y, int width, int height) { set_rect({ x, y, width, height }); }
+    void set_rect_without_repaint(const Gfx::Rect& rect)
+    {
+        if (m_rect == rect)
+            return;
+        auto old_rect = m_rect;
+        m_rect = rect;
+        m_frame.notify_window_rect_changed(old_rect, rect);
+    }
+
+    void set_rect_from_window_manager_resize(const Gfx::Rect&);
+
+    void set_taskbar_rect(const Gfx::Rect& rect) { m_taskbar_rect = rect; }
+    const Gfx::Rect& taskbar_rect() const { return m_taskbar_rect; }
+
+    void move_to(const Gfx::Point& position) { set_rect({ position, size() }); }
+    void move_to(int x, int y) { move_to({ x, y }); }
+
+    Gfx::Point position() const { return m_rect.location(); }
+    void set_position(const Gfx::Point& position) { set_rect({ position.x(), position.y(), width(), height() }); }
+    void set_position_without_repaint(const Gfx::Point& position) { set_rect_without_repaint({ position.x(), position.y(), width(), height() }); }
+
+    Gfx::Size size() const { return m_rect.size(); }
+
+    void invalidate();
+    void invalidate(const Gfx::Rect&);
+
+    virtual void event(Core::Event&) override;
+
+    // Only used by WindowType::MenuApplet. Perhaps it could be a Window subclass? I don't know.
+    void set_rect_in_menubar(const Gfx::Rect& rect) { m_rect_in_menubar = rect; }
+    const Gfx::Rect& rect_in_menubar() const { return m_rect_in_menubar; }
+
+    const Gfx::Bitmap* backing_store() const { return m_backing_store.ptr(); }
+    Gfx::Bitmap* backing_store() { return m_backing_store.ptr(); }
+
+    void set_backing_store(RefPtr<Gfx::Bitmap>&& backing_store)
+    {
+        m_last_backing_store = move(m_backing_store);
+        m_backing_store = move(backing_store);
+    }
+
+    void swap_backing_stores()
+    {
+        swap(m_backing_store, m_last_backing_store);
+    }
+
+    Gfx::Bitmap* last_backing_store() { return m_last_backing_store.ptr(); }
+
+    void set_global_cursor_tracking_enabled(bool);
+    void set_automatic_cursor_tracking_enabled(bool enabled) { m_automatic_cursor_tracking_enabled = enabled; }
+    bool global_cursor_tracking() const { return m_global_cursor_tracking_enabled || m_automatic_cursor_tracking_enabled; }
+
+    bool has_alpha_channel() const { return m_has_alpha_channel; }
+    void set_has_alpha_channel(bool value) { m_has_alpha_channel = value; }
+
+    Gfx::Size size_increment() const { return m_size_increment; }
+    void set_size_increment(const Gfx::Size& increment) { m_size_increment = increment; }
+
+    Gfx::Size base_size() const { return m_base_size; }
+    void set_base_size(const Gfx::Size& size) { m_base_size = size; }
+
+    const Gfx::Bitmap& icon() const { return *m_icon; }
+    void set_icon(NonnullRefPtr<Gfx::Bitmap>&& icon) { m_icon = move(icon); }
+
+    void set_default_icon();
+
+    const Cursor* override_cursor() const { return m_override_cursor.ptr(); }
+    void set_override_cursor(RefPtr<Cursor>&& cursor) { m_override_cursor = move(cursor); }
+
+    void request_update(const Gfx::Rect&);
+    Gfx::DisjointRectSet take_pending_paint_rects() { return move(m_pending_paint_rects); }
+
+    bool in_minimize_animation() const { return m_minimize_animation_step != -1; }
+
+    int minimize_animation_index() const { return m_minimize_animation_step; }
+    void step_minimize_animation() { m_minimize_animation_step += 1; }
+    void start_minimize_animation() { m_minimize_animation_step = 0; }
+    void end_minimize_animation() { m_minimize_animation_step = -1; }
+
+    // For InlineLinkedList.
+    // FIXME: Maybe make a ListHashSet and then WindowManager can just use that.
+    Window* m_next { nullptr };
+    Window* m_prev { nullptr };
+
+    void detach_client(Badge<ClientConnection>) { m_client = nullptr; }
+
+private:
+    void handle_mouse_event(const MouseEvent&);
+    void update_menu_item_text(PopupMenuItem item);
+    void update_menu_item_enabled(PopupMenuItem item);
+
+    ClientConnection* m_client { nullptr };
+    String m_title;
+    Gfx::Rect m_rect;
+    Gfx::Rect m_saved_nonfullscreen_rect;
+    Gfx::Rect m_taskbar_rect;
+    WindowType m_type { WindowType::Normal };
+    bool m_global_cursor_tracking_enabled { false };
+    bool m_automatic_cursor_tracking_enabled { false };
+    bool m_visible { true };
+    bool m_has_alpha_channel { false };
+    bool m_modal { false };
+    bool m_minimizable { false };
+    bool m_resizable { false };
+    bool m_listens_to_wm_events { false };
+    bool m_minimized { false };
+    bool m_maximized { false };
+    bool m_fullscreen { false };
+    WindowTileType m_tiled { WindowTileType::None };
+    Gfx::Rect m_untiled_rect;
+    bool m_occluded { false };
+    bool m_show_titlebar { true };
+    RefPtr<Gfx::Bitmap> m_backing_store;
+    RefPtr<Gfx::Bitmap> m_last_backing_store;
+    int m_window_id { -1 };
+    i32 m_client_id { -1 };
+    float m_opacity { 1 };
+    Gfx::Size m_size_increment;
+    Gfx::Size m_base_size;
+    NonnullRefPtr<Gfx::Bitmap> m_icon;
+    RefPtr<Cursor> m_override_cursor;
+    WindowFrame m_frame;
+    unsigned m_wm_event_mask { 0 };
+    Gfx::DisjointRectSet m_pending_paint_rects;
+    Gfx::Rect m_unmaximized_rect;
+    Gfx::Rect m_rect_in_menubar;
+    RefPtr<Menu> m_window_menu;
+    int m_minimize_animation_step { -1 };
+};
+
+}