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WindowServer: Change window geometry label to use the Overlay class

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This enables flicker-free rendering.
This commit is contained in:
Tom 2021-06-25 09:18:20 -06:00 • committed by Andreas Kling
parent 8b26debda1
commit 84cab29c59
7 changed files with 93 additions and 50 deletions
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48
Userland/Services/WindowServer/Overlays.cpp
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@ -205,4 +205,52 @@ Gfx::IntRect ScreenNumberOverlay::calculate_content_rect_for_screen(Screen& scre
return calculate_frame_rect(content_rect);
}
WindowGeometryOverlay::WindowGeometryOverlay(Window& window)
: m_window(window)
{
update_rect();
}
void WindowGeometryOverlay::update_rect()
{
if (auto* window = m_window.ptr()) {
auto& wm = WindowManager::the();
if (!window->size_increment().is_null()) {
int width_steps = (window->width() - window->base_size().width()) / window->size_increment().width();
int height_steps = (window->height() - window->base_size().height()) / window->size_increment().height();
m_label = String::formatted("{} ({}x{})", window->rect(), width_steps, height_steps);
} else {
m_label = window->rect().to_string();
}
m_label_rect = Gfx::IntRect { 0, 0, wm.font().width(m_label) + 16, wm.font().glyph_height() + 10 };
auto rect = calculate_frame_rect(m_label_rect);
rect.center_within(window->frame().rect());
auto desktop_rect = wm.desktop_rect(ScreenInput::the().cursor_location_screen());
if (rect.left() < desktop_rect.left())
rect.set_left(desktop_rect.left());
if (rect.top() < desktop_rect.top())
rect.set_top(desktop_rect.top());
if (rect.right() > desktop_rect.right())
rect.set_right_without_resize(desktop_rect.right());
if (rect.bottom() > desktop_rect.bottom())
rect.set_bottom_without_resize(desktop_rect.bottom());
set_rect(rect);
} else {
set_enabled(false);
}
}
void WindowGeometryOverlay::render_overlay_bitmap(Gfx::Painter& painter)
{
painter.draw_text({ {}, rect().size() }, m_label, WindowManager::the().font(), Gfx::TextAlignment::Center, Color::White);
}
void WindowGeometryOverlay::window_rect_changed()
{
update_rect();
invalidate();
}
}