ladybird/Servers/WindowServer/WSWindowManager.h
Andreas Kling 0d2bfc4ea0 WindowServer: Actually don't bring up system menu during move/resize
It was still possible to pop up the system menu by letting go of the
mouse button before letting go of the Logo key. This patch fixes that.
2020-01-12 02:33:24 +01:00

393 lines
15 KiB
C++

#pragma once
#include <AK/HashMap.h>
#include <AK/HashTable.h>
#include <AK/InlineLinkedList.h>
#include <AK/WeakPtr.h>
#include <LibCore/CConfigFile.h>
#include <LibCore/CElapsedTimer.h>
#include <LibDraw/Color.h>
#include <LibDraw/DisjointRectSet.h>
#include <LibDraw/Painter.h>
#include <LibDraw/Palette.h>
#include <LibDraw/Rect.h>
#include <WindowServer/WSCursor.h>
#include <WindowServer/WSEvent.h>
#include <WindowServer/WSMenuBar.h>
#include <WindowServer/WSMenuManager.h>
#include <WindowServer/WSWindow.h>
#include <WindowServer/WSWindowSwitcher.h>
#include <WindowServer/WSWindowType.h>
class WSScreen;
class WSMouseEvent;
class WSClientWantsToPaintMessage;
class WSWindow;
class WSClientConnection;
class WSWindowSwitcher;
class GraphicsBitmap;
class WSButton;
enum class ResizeDirection {
None,
Left,
UpLeft,
Up,
UpRight,
Right,
DownRight,
Down,
DownLeft
};
class WSWindowManager : public CObject {
C_OBJECT(WSWindowManager)
friend class WSCompositor;
friend class WSWindowFrame;
friend class WSWindowSwitcher;
public:
static WSWindowManager& the();
explicit WSWindowManager(const PaletteImpl&);
virtual ~WSWindowManager() override;
Palette palette() const { return Palette(*m_palette); }
RefPtr<CConfigFile> wm_config() const
{
return m_wm_config;
}
void reload_config(bool);
void add_window(WSWindow&);
void remove_window(WSWindow&);
void notify_title_changed(WSWindow&);
void notify_rect_changed(WSWindow&, const Rect& oldRect, const Rect& newRect);
void notify_minimization_state_changed(WSWindow&);
void notify_opacity_changed(WSWindow&);
void notify_occlusion_state_changed(WSWindow&);
void notify_client_changed_app_menubar(WSClientConnection&);
Rect maximized_window_rect(const WSWindow&) const;
WSClientConnection* dnd_client() { return m_dnd_client.ptr(); }
const String& dnd_text() const { return m_dnd_text; }
const String& dnd_data_type() const { return m_dnd_data_type; }
const String& dnd_data() const { return m_dnd_data; }
const GraphicsBitmap* dnd_bitmap() const { return m_dnd_bitmap; }
Rect dnd_rect() const;
void start_dnd_drag(WSClientConnection&, const String& text, GraphicsBitmap*, const String& data_type, const String& data);
void end_dnd_drag();
WSWindow* active_window() { return m_active_window.ptr(); }
const WSClientConnection* active_client() const;
bool active_window_is_modal() const { return m_active_window && m_active_window->is_modal(); }
WSWindow* highlight_window() { return m_highlight_window.ptr(); }
void set_highlight_window(WSWindow*);
void move_to_front_and_make_active(WSWindow&);
void draw_window_switcher();
Rect menubar_rect() const;
const WSCursor& active_cursor() const;
const WSCursor& arrow_cursor() const { return *m_arrow_cursor; }
const WSCursor& hand_cursor() const { return *m_hand_cursor; }
const WSCursor& resize_horizontally_cursor() const { return *m_resize_horizontally_cursor; }
const WSCursor& resize_vertically_cursor() const { return *m_resize_vertically_cursor; }
const WSCursor& resize_diagonally_tlbr_cursor() const { return *m_resize_diagonally_tlbr_cursor; }
const WSCursor& resize_diagonally_bltr_cursor() const { return *m_resize_diagonally_bltr_cursor; }
const WSCursor& i_beam_cursor() const { return *m_i_beam_cursor; }
const WSCursor& disallowed_cursor() const { return *m_disallowed_cursor; }
const WSCursor& move_cursor() const { return *m_move_cursor; }
const WSCursor& drag_cursor() const { return *m_drag_cursor; }
void invalidate(const WSWindow&);
void invalidate(const WSWindow&, const Rect&);
void invalidate(const Rect&);
void invalidate();
void flush(const Rect&);
const Font& font() const;
const Font& window_title_font() const;
const Font& menu_font() const;
const Font& app_menu_font() const;
int menubar_menu_margin() const;
void set_resolution(int width, int height);
void set_active_window(WSWindow*);
void set_hovered_button(WSButton*);
WSButton* cursor_tracking_button() { return m_cursor_tracking_button.ptr(); }
void set_cursor_tracking_button(WSButton*);
void set_resize_candidate(WSWindow&, ResizeDirection);
void clear_resize_candidate();
ResizeDirection resize_direction_of_window(const WSWindow&);
bool any_opaque_window_contains_rect(const Rect&);
bool any_opaque_window_above_this_one_contains_rect(const WSWindow&, const Rect&);
void tell_wm_listeners_window_state_changed(WSWindow&);
void tell_wm_listeners_window_icon_changed(WSWindow&);
void tell_wm_listeners_window_rect_changed(WSWindow&);
void start_window_resize(WSWindow&, const Point&, MouseButton);
void start_window_resize(WSWindow&, const WSMouseEvent&);
const WSWindow* active_fullscreen_window() const { return (m_active_window && m_active_window->is_fullscreen()) ? m_active_window : nullptr; }
WSWindow* active_fullscreen_window() { return (m_active_window && m_active_window->is_fullscreen()) ? m_active_window : nullptr; }
void update_theme(String theme_path, String theme_name);
private:
NonnullRefPtr<WSCursor> get_cursor(const String& name);
NonnullRefPtr<WSCursor> get_cursor(const String& name, const Point& hotspot);
void process_mouse_event(WSMouseEvent&, WSWindow*& hovered_window);
void process_event_for_doubleclick(WSWindow& window, WSMouseEvent& event);
void deliver_mouse_event(WSWindow& window, WSMouseEvent& event);
bool process_ongoing_window_resize(const WSMouseEvent&, WSWindow*& hovered_window);
bool process_ongoing_window_move(WSMouseEvent&, WSWindow*& hovered_window);
bool process_ongoing_drag(WSMouseEvent&, WSWindow*& hovered_window);
void start_window_move(WSWindow&, const WSMouseEvent&);
void set_hovered_window(WSWindow*);
template<typename Callback>
IterationDecision for_each_visible_window_of_type_from_back_to_front(WSWindowType, Callback, bool ignore_highlight = false);
template<typename Callback>
IterationDecision for_each_visible_window_of_type_from_front_to_back(WSWindowType, Callback, bool ignore_highlight = false);
template<typename Callback>
IterationDecision for_each_visible_window_from_front_to_back(Callback);
template<typename Callback>
IterationDecision for_each_visible_window_from_back_to_front(Callback);
template<typename Callback>
void for_each_window_listening_to_wm_events(Callback);
template<typename Callback>
void for_each_window(Callback);
template<typename Callback>
IterationDecision for_each_window_of_type_from_front_to_back(WSWindowType, Callback, bool ignore_highlight = false);
virtual void event(CEvent&) override;
void paint_window_frame(const WSWindow&);
void tell_wm_listener_about_window(WSWindow& listener, WSWindow&);
void tell_wm_listener_about_window_icon(WSWindow& listener, WSWindow&);
void tell_wm_listener_about_window_rect(WSWindow& listener, WSWindow&);
void pick_new_active_window();
void recompute_occlusions();
RefPtr<WSCursor> m_arrow_cursor;
RefPtr<WSCursor> m_hand_cursor;
RefPtr<WSCursor> m_resize_horizontally_cursor;
RefPtr<WSCursor> m_resize_vertically_cursor;
RefPtr<WSCursor> m_resize_diagonally_tlbr_cursor;
RefPtr<WSCursor> m_resize_diagonally_bltr_cursor;
RefPtr<WSCursor> m_i_beam_cursor;
RefPtr<WSCursor> m_disallowed_cursor;
RefPtr<WSCursor> m_move_cursor;
RefPtr<WSCursor> m_drag_cursor;
Color m_background_color;
Color m_active_window_border_color;
Color m_active_window_border_color2;
Color m_active_window_title_color;
Color m_inactive_window_border_color;
Color m_inactive_window_border_color2;
Color m_inactive_window_title_color;
Color m_moving_window_border_color;
Color m_moving_window_border_color2;
Color m_moving_window_title_color;
Color m_highlight_window_border_color;
Color m_highlight_window_border_color2;
Color m_highlight_window_title_color;
InlineLinkedList<WSWindow> m_windows_in_order;
struct DoubleClickInfo {
struct ClickMetadata {
CElapsedTimer clock;
Point last_position;
};
ClickMetadata& metadata_for_button(MouseButton);
void reset()
{
m_left = {};
m_right = {};
m_middle = {};
}
WeakPtr<WSWindow> m_clicked_window;
private:
ClickMetadata m_left;
ClickMetadata m_right;
ClickMetadata m_middle;
};
DoubleClickInfo m_double_click_info;
int m_double_click_speed { 0 };
int m_max_distance_for_double_click { 4 };
WeakPtr<WSWindow> m_active_window;
WeakPtr<WSWindow> m_hovered_window;
WeakPtr<WSWindow> m_highlight_window;
WeakPtr<WSWindow> m_active_input_window;
WeakPtr<WSWindow> m_move_window;
Point m_move_origin;
Point m_move_window_origin;
WeakPtr<WSWindow> m_resize_window;
WeakPtr<WSWindow> m_resize_candidate;
MouseButton m_resizing_mouse_button { MouseButton::None };
Rect m_resize_window_original_rect;
Point m_resize_origin;
ResizeDirection m_resize_direction { ResizeDirection::None };
bool m_moved_or_resized_since_logo_keydown { false };
u8 m_keyboard_modifiers { 0 };
WSWindowSwitcher m_switcher;
WeakPtr<WSButton> m_cursor_tracking_button;
WeakPtr<WSButton> m_hovered_button;
NonnullRefPtr<PaletteImpl> m_palette;
RefPtr<CConfigFile> m_wm_config;
WeakPtr<WSClientConnection> m_dnd_client;
String m_dnd_text;
String m_dnd_data_type;
String m_dnd_data;
RefPtr<GraphicsBitmap> m_dnd_bitmap;
};
template<typename Callback>
IterationDecision WSWindowManager::for_each_visible_window_of_type_from_back_to_front(WSWindowType type, Callback callback, bool ignore_highlight)
{
bool do_highlight_window_at_end = false;
for (auto& window : m_windows_in_order) {
if (!window.is_visible())
continue;
if (window.is_minimized())
continue;
if (window.type() != type)
continue;
if (!ignore_highlight && m_highlight_window == &window) {
do_highlight_window_at_end = true;
continue;
}
if (callback(window) == IterationDecision::Break)
return IterationDecision::Break;
}
if (do_highlight_window_at_end) {
if (callback(*m_highlight_window) == IterationDecision::Break)
return IterationDecision::Break;
}
return IterationDecision::Continue;
}
template<typename Callback>
IterationDecision WSWindowManager::for_each_visible_window_from_back_to_front(Callback callback)
{
if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Normal, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Taskbar, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Tooltip, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Menubar, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_back_to_front(WSWindowType::Menu, callback) == IterationDecision::Break)
return IterationDecision::Break;
return for_each_visible_window_of_type_from_back_to_front(WSWindowType::WindowSwitcher, callback);
}
template<typename Callback>
IterationDecision WSWindowManager::for_each_visible_window_of_type_from_front_to_back(WSWindowType type, Callback callback, bool ignore_highlight)
{
if (!ignore_highlight && m_highlight_window && m_highlight_window->type() == type && m_highlight_window->is_visible()) {
if (callback(*m_highlight_window) == IterationDecision::Break)
return IterationDecision::Break;
}
for (auto* window = m_windows_in_order.tail(); window; window = window->prev()) {
if (!window->is_visible())
continue;
if (window->is_minimized())
continue;
if (window->type() != type)
continue;
if (!ignore_highlight && window == m_highlight_window)
continue;
if (callback(*window) == IterationDecision::Break)
return IterationDecision::Break;
}
return IterationDecision::Continue;
}
template<typename Callback>
IterationDecision WSWindowManager::for_each_visible_window_from_front_to_back(Callback callback)
{
if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::WindowSwitcher, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::Menu, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::Menubar, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::Taskbar, callback) == IterationDecision::Break)
return IterationDecision::Break;
if (for_each_visible_window_of_type_from_front_to_back(WSWindowType::Tooltip, callback) == IterationDecision::Break)
return IterationDecision::Break;
return for_each_visible_window_of_type_from_front_to_back(WSWindowType::Normal, callback);
}
template<typename Callback>
void WSWindowManager::for_each_window_listening_to_wm_events(Callback callback)
{
for (auto* window = m_windows_in_order.tail(); window; window = window->prev()) {
if (!window->listens_to_wm_events())
continue;
if (callback(*window) == IterationDecision::Break)
return;
}
}
template<typename Callback>
void WSWindowManager::for_each_window(Callback callback)
{
for (auto* window = m_windows_in_order.tail(); window; window = window->prev()) {
if (callback(*window) == IterationDecision::Break)
return;
}
}
template<typename Callback>
IterationDecision WSWindowManager::for_each_window_of_type_from_front_to_back(WSWindowType type, Callback callback, bool ignore_highlight)
{
if (!ignore_highlight && m_highlight_window && m_highlight_window->type() == type && m_highlight_window->is_visible()) {
if (callback(*m_highlight_window) == IterationDecision::Break)
return IterationDecision::Break;
}
for (auto* window = m_windows_in_order.tail(); window; window = window->prev()) {
if (window->type() != type)
continue;
if (!ignore_highlight && window == m_highlight_window)
continue;
if (callback(*window) == IterationDecision::Break)
return IterationDecision::Break;
}
return IterationDecision::Continue;
}