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Code Issues Activity Actions

WindowServer: Change rendering drag&drop to use the Overlay class

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This enables flicker-free rendering.
This commit is contained in:
Tom 2021-06-25 12:08:23 -06:00 • committed by Andreas Kling
parent 84cab29c59
commit 8cfb4c82f0
7 changed files with 99 additions and 98 deletions
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17
Userland/Services/WindowServer/WindowManager.cpp
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@ -776,6 +776,8 @@ bool WindowManager::process_ongoing_drag(MouseEvent& event)
return false;
if (event.type() == Event::MouseMove) {
m_dnd_overlay->cursor_moved();
// 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()))
@ -1523,7 +1525,8 @@ void WindowManager::start_dnd_drag(ClientConnection& client, String const& text,
VERIFY(!m_dnd_client);
m_dnd_client = client;
m_dnd_text = text;
m_dnd_bitmap = bitmap;
m_dnd_overlay = Compositor::the().create_overlay<DndOverlay>(text, bitmap);
m_dnd_overlay->set_enabled(true);
m_dnd_mime_data = mime_data;
Compositor::the().invalidate_cursor();
m_active_input_tracking_window = nullptr;
@ -1535,17 +1538,7 @@ void WindowManager::end_dnd_drag()
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);
m_dnd_overlay = nullptr;
}
void WindowManager::invalidate_after_theme_or_font_change()