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LibGUI+WindowServer: Introduce new mouse tracking mechanism

This commit is contained in:
Ben Wiederhake 2021-09-07 21:04:35 +02:00 committed by Andreas Kling
parent bde3c7301e
commit 45126655cd
10 changed files with 94 additions and 3 deletions

View file

@ -663,6 +663,11 @@ void ClientConnection::set_global_cursor_tracking(i32 window_id, bool enabled)
it->value->set_global_cursor_tracking_enabled(enabled);
}
void ClientConnection::set_global_mouse_tracking(bool enabled)
{
m_does_global_mouse_tracking = enabled;
}
void ClientConnection::set_window_cursor(i32 window_id, i32 cursor_type)
{
auto it = m_windows.find(window_id);

View file

@ -38,6 +38,7 @@ public:
~ClientConnection() override;
bool is_unresponsive() const { return m_unresponsive; }
bool does_global_mouse_tracking() const { return m_does_global_mouse_tracking; }
static ClientConnection* from_client_id(int client_id);
static void for_each_client(Function<void(ClientConnection&)>);
@ -113,6 +114,7 @@ private:
virtual void invalidate_rect(i32, Vector<Gfx::IntRect> const&, bool) override;
virtual void did_finish_painting(i32, Vector<Gfx::IntRect> const&) override;
virtual void set_global_cursor_tracking(i32, bool) override;
virtual void set_global_mouse_tracking(bool) override;
virtual void set_window_opacity(i32, float) override;
virtual void set_window_backing_store(i32, i32, i32, IPC::File const&, i32, bool, Gfx::IntSize const&, bool) override;
virtual void set_window_has_alpha_channel(i32, bool) override;
@ -179,6 +181,7 @@ private:
bool m_has_display_link { false };
bool m_show_screen_number { false };
bool m_unresponsive { false };
bool m_does_global_mouse_tracking { false };
// Need this to get private client connection stuff
friend WMClientConnection;

View file

@ -44,5 +44,7 @@ endpoint WindowClient
display_link_notification() =|
track_mouse_move(Gfx::IntPoint mouse_position) =|
ping() =|
}

View file

@ -1200,15 +1200,18 @@ void WindowManager::process_mouse_event(MouseEvent& event)
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.
// 2. Send the mouse event to all clients with global cursor tracking enabled.
auto& window_stack = current_window_stack();
for_each_visible_window_from_front_to_back([&](Window& window) {
if (window.global_cursor_tracking() && &window != window_stack.active_input_tracking_window())
deliver_mouse_event(window, event, false);
return IterationDecision::Continue;
});
ClientConnection::for_each_client([&](ClientConnection& conn) {
if (conn.does_global_mouse_tracking()) {
conn.async_track_mouse_move(event.position());
}
});
// 3. If there's an active input tracking window, all mouse events go there.
// Tracking ends after all mouse buttons have been released.

View file

@ -75,6 +75,7 @@ endpoint WindowServer
did_finish_painting(i32 window_id, Vector<Gfx::IntRect> rects) =|
set_global_cursor_tracking(i32 window_id, bool enabled) =|
set_global_mouse_tracking(bool enabled) =|
set_window_opacity(i32 window_id, float opacity) =|
set_window_alpha_hit_threshold(i32 window_id, float threshold) =|