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LibGUI: Support using a bitmap as override cursor

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This commit is contained in:
Marco Cutecchia 2021-10-15 22:24:41 +02:00 • committed by Andreas Kling
parent 4bfe060336
commit 116bb4888f
4 changed files with 46 additions and 26 deletions
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38
Userland/Libraries/LibGUI/Window.cpp
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@ -317,21 +317,28 @@ void Window::make_window_manager(unsigned event_mask)
GUI::WindowManagerServerConnection::the().async_set_manager_window(m_window_id);
}
bool Window::are_cursors_the_same(AK::Variant<Gfx::StandardCursor, NonnullRefPtr<Gfx::Bitmap>> const& left, AK::Variant<Gfx::StandardCursor, NonnullRefPtr<Gfx::Bitmap>> const& right) const
{
if (left.has<Gfx::StandardCursor>() != right.has<Gfx::StandardCursor>())
return false;
if (left.has<Gfx::StandardCursor>())
return left.get<Gfx::StandardCursor>() == right.get<Gfx::StandardCursor>();
return left.get<NonnullRefPtr<Gfx::Bitmap>>().ptr() == right.get<NonnullRefPtr<Gfx::Bitmap>>().ptr();
}
void Window::set_cursor(Gfx::StandardCursor cursor)
{
if (m_cursor == cursor)
if (are_cursors_the_same(m_cursor, cursor))
return;
m_cursor = cursor;
m_custom_cursor = nullptr;
update_cursor();
}
void Window::set_cursor(const Gfx::Bitmap& cursor)
void Window::set_cursor(NonnullRefPtr<Gfx::Bitmap> cursor)
{
if (m_custom_cursor == &cursor)
if (are_cursors_the_same(m_cursor, cursor))
return;
m_cursor = Gfx::StandardCursor::None;
m_custom_cursor = &cursor;
m_cursor = cursor;
update_cursor();
}
@ -1135,21 +1142,22 @@ void Window::set_progress(Optional<int> progress)
void Window::update_cursor()
{
Gfx::StandardCursor new_cursor;
auto new_cursor = m_cursor;
if (m_hovered_widget && m_hovered_widget->override_cursor() != Gfx::StandardCursor::None)
new_cursor = m_hovered_widget->override_cursor();
else
new_cursor = m_cursor;
if (m_hovered_widget) {
auto override_cursor = m_hovered_widget->override_cursor();
if (override_cursor.has<NonnullRefPtr<Gfx::Bitmap>>() || override_cursor.get<Gfx::StandardCursor>() != Gfx::StandardCursor::None)
new_cursor = move(override_cursor);
}
if (!m_custom_cursor && m_effective_cursor == new_cursor)
if (are_cursors_the_same(m_effective_cursor, new_cursor))
return;
m_effective_cursor = new_cursor;
if (m_custom_cursor)
WindowServerConnection::the().async_set_window_custom_cursor(m_window_id, m_custom_cursor->to_shareable_bitmap());
if (new_cursor.has<NonnullRefPtr<Gfx::Bitmap>>())
WindowServerConnection::the().async_set_window_custom_cursor(m_window_id, new_cursor.get<NonnullRefPtr<Gfx::Bitmap>>()->to_shareable_bitmap());
else
WindowServerConnection::the().async_set_window_cursor(m_window_id, (u32)m_effective_cursor);
WindowServerConnection::the().async_set_window_cursor(m_window_id, (u32)new_cursor.get<Gfx::StandardCursor>());
}
void Window::focus_a_widget_if_possible(FocusSource source)