mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 10:18:11 +00:00
9ff1fa1cf3
Keep track of areas that overlays were rendered to when we recompute occlusions. This allows us to then easily figure out areas where overlays were moved from or removed from.
354 lines
12 KiB
C++
354 lines
12 KiB
C++
/*
|
|
* Copyright (c) 2021, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include "Overlays.h"
|
|
#include "Compositor.h"
|
|
#include "WindowManager.h"
|
|
#include <LibGfx/StylePainter.h>
|
|
|
|
namespace WindowServer {
|
|
|
|
Overlay::~Overlay()
|
|
{
|
|
if (is_enabled())
|
|
Compositor::the().remove_overlay(*this);
|
|
}
|
|
|
|
bool Overlay::invalidate()
|
|
{
|
|
if (m_invalidated)
|
|
return false;
|
|
m_invalidated = true;
|
|
if (is_enabled())
|
|
Compositor::the().overlay_rects_changed();
|
|
return true;
|
|
}
|
|
|
|
void Overlay::set_enabled(bool enable)
|
|
{
|
|
if (is_enabled() == enable)
|
|
return;
|
|
|
|
if (enable)
|
|
Compositor::the().add_overlay(*this);
|
|
else
|
|
Compositor::the().remove_overlay(*this);
|
|
}
|
|
|
|
void Overlay::set_rect(Gfx::IntRect const& rect)
|
|
{
|
|
if (m_rect == rect)
|
|
return;
|
|
auto previous_rect = m_rect;
|
|
m_rect = rect;
|
|
invalidate();
|
|
rect_changed(previous_rect);
|
|
}
|
|
|
|
BitmapOverlay::BitmapOverlay()
|
|
{
|
|
clear_bitmaps();
|
|
}
|
|
|
|
void BitmapOverlay::rect_changed(Gfx::IntRect const& previous_rect)
|
|
{
|
|
if (rect().size() != previous_rect.size())
|
|
clear_bitmaps();
|
|
Overlay::rect_changed(previous_rect);
|
|
}
|
|
|
|
void BitmapOverlay::clear_bitmaps()
|
|
{
|
|
m_bitmaps = MultiScaleBitmaps::create_empty();
|
|
}
|
|
|
|
void BitmapOverlay::render(Gfx::Painter& painter, Screen const& screen)
|
|
{
|
|
auto scale_factor = screen.scale_factor();
|
|
auto* bitmap = m_bitmaps->find_bitmap(scale_factor);
|
|
if (!bitmap) {
|
|
auto new_bitmap = create_bitmap(scale_factor);
|
|
if (!new_bitmap)
|
|
return;
|
|
bitmap = new_bitmap.ptr();
|
|
m_bitmaps->add_bitmap(scale_factor, new_bitmap.release_nonnull());
|
|
}
|
|
|
|
painter.blit({}, *bitmap, bitmap->rect());
|
|
}
|
|
|
|
RectangularOverlay::RectangularOverlay()
|
|
{
|
|
clear_bitmaps();
|
|
}
|
|
|
|
void RectangularOverlay::rect_changed(Gfx::IntRect const& previous_rect)
|
|
{
|
|
if (rect().size() != previous_rect.size())
|
|
clear_bitmaps();
|
|
}
|
|
|
|
void RectangularOverlay::clear_bitmaps()
|
|
{
|
|
m_rendered_bitmaps = MultiScaleBitmaps::create_empty();
|
|
}
|
|
|
|
void RectangularOverlay::render(Gfx::Painter& painter, Screen const& screen)
|
|
{
|
|
if (m_content_invalidated) {
|
|
clear_bitmaps();
|
|
m_content_invalidated = false;
|
|
}
|
|
auto scale_factor = screen.scale_factor();
|
|
auto* bitmap = m_rendered_bitmaps->find_bitmap(scale_factor);
|
|
if (!bitmap) {
|
|
auto bitmap_or_error = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, rect().size(), scale_factor);
|
|
if (bitmap_or_error.is_error())
|
|
return;
|
|
auto new_bitmap = bitmap_or_error.release_value_but_fixme_should_propagate_errors();
|
|
bitmap = new_bitmap.ptr();
|
|
|
|
Gfx::Painter bitmap_painter(*new_bitmap);
|
|
if (auto* shadow_bitmap = WindowManager::the().overlay_rect_shadow()) {
|
|
Gfx::StylePainter::paint_simple_rect_shadow(bitmap_painter, new_bitmap->rect(), shadow_bitmap->bitmap(scale_factor), true, true);
|
|
} else {
|
|
bitmap_painter.fill_rect(new_bitmap->rect(), Color(Color::Black).with_alpha(0xcc));
|
|
}
|
|
render_overlay_bitmap(bitmap_painter);
|
|
m_rendered_bitmaps->add_bitmap(scale_factor, move(new_bitmap));
|
|
}
|
|
|
|
painter.blit({}, *bitmap, bitmap->rect());
|
|
}
|
|
|
|
Gfx::IntRect RectangularOverlay::calculate_frame_rect(Gfx::IntRect const& rect)
|
|
{
|
|
if (auto* shadow_bitmap = WindowManager::the().overlay_rect_shadow()) {
|
|
Gfx::IntSize size;
|
|
int base_size = shadow_bitmap->default_bitmap().height() / 2;
|
|
size = { base_size, base_size };
|
|
return rect.inflated(2 * base_size, 2 * base_size);
|
|
}
|
|
return rect.inflated(2 * default_frame_thickness, 2 * default_frame_thickness);
|
|
}
|
|
|
|
void RectangularOverlay::set_content_rect(Gfx::IntRect const& rect)
|
|
{
|
|
set_rect(calculate_frame_rect(rect));
|
|
}
|
|
|
|
void RectangularOverlay::invalidate_content()
|
|
{
|
|
m_content_invalidated = true;
|
|
invalidate();
|
|
}
|
|
|
|
Gfx::Font const* ScreenNumberOverlay::s_font { nullptr };
|
|
|
|
ScreenNumberOverlay::ScreenNumberOverlay(Screen& screen)
|
|
: m_screen(screen)
|
|
{
|
|
if (!s_font)
|
|
pick_font();
|
|
|
|
Gfx::IntRect rect {
|
|
default_offset,
|
|
default_offset,
|
|
default_size,
|
|
default_size
|
|
};
|
|
rect.translate_by(screen.rect().location());
|
|
set_rect(rect);
|
|
}
|
|
|
|
void ScreenNumberOverlay::pick_font()
|
|
{
|
|
auto screen_number_content_rect_size = calculate_content_rect_for_screen(Screen::main()).size();
|
|
auto& font_database = Gfx::FontDatabase::the();
|
|
auto& default_font = WindowManager::the().font();
|
|
DeprecatedString best_font_name;
|
|
int best_font_size = -1;
|
|
font_database.for_each_font([&](Gfx::Font const& font) {
|
|
// TODO: instead of picking *any* font we should probably compare font.name()
|
|
// with default_font.name(). But the default font currently does not provide larger sizes
|
|
auto size = font.pixel_size_rounded_up();
|
|
if (size * 2 <= screen_number_content_rect_size.height() && size > best_font_size) {
|
|
for (unsigned ch = '0'; ch <= '9'; ch++) {
|
|
if (!font.contains_glyph(ch)) {
|
|
// Skip this font, it doesn't have glyphs for digits
|
|
return;
|
|
}
|
|
}
|
|
best_font_name = font.qualified_name();
|
|
best_font_size = size;
|
|
}
|
|
});
|
|
|
|
if (auto best_font = font_database.get_by_name(best_font_name)) {
|
|
s_font = best_font.ptr();
|
|
} else {
|
|
s_font = &default_font;
|
|
}
|
|
|
|
Compositor::the().for_each_overlay([&](auto& overlay) {
|
|
if (overlay.zorder() == ZOrder::ScreenNumber)
|
|
overlay.invalidate();
|
|
return IterationDecision::Continue;
|
|
});
|
|
}
|
|
|
|
Gfx::Font const& ScreenNumberOverlay::font()
|
|
{
|
|
if (!s_font) {
|
|
pick_font();
|
|
VERIFY(s_font);
|
|
}
|
|
return *s_font;
|
|
}
|
|
|
|
void ScreenNumberOverlay::render_overlay_bitmap(Gfx::Painter& painter)
|
|
{
|
|
painter.draw_text(Gfx::IntRect { {}, rect().size() }, DeprecatedString::formatted("{}", m_screen.index() + 1), font(), Gfx::TextAlignment::Center, Color::White);
|
|
}
|
|
|
|
Gfx::IntRect ScreenNumberOverlay::calculate_content_rect_for_screen(Screen& screen)
|
|
{
|
|
Gfx::IntRect content_rect {
|
|
screen.rect().location().translated(default_offset, default_offset),
|
|
{ default_size, default_size }
|
|
};
|
|
|
|
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_empty()) {
|
|
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 = DeprecatedString::formatted("{} ({}x{})", window->rect(), width_steps, height_steps);
|
|
} else {
|
|
m_label = window->rect().to_deprecated_string();
|
|
}
|
|
m_label_rect = Gfx::IntRect { 0, 0, static_cast<int>(ceilf(wm.font().width(m_label))) + 16, wm.font().pixel_size_rounded_up() + 10 };
|
|
|
|
auto rect = calculate_frame_rect(m_label_rect).centered_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);
|
|
invalidate_content(); // needed in case the rectangle itself doesn't change. But the contents did.
|
|
} else {
|
|
set_enabled(false);
|
|
}
|
|
}
|
|
|
|
void WindowGeometryOverlay::render_overlay_bitmap(Gfx::Painter& painter)
|
|
{
|
|
painter.draw_text(Gfx::IntRect { {}, rect().size() }, m_label, WindowManager::the().font(), Gfx::TextAlignment::Center, Color::White);
|
|
}
|
|
|
|
void WindowGeometryOverlay::window_rect_changed()
|
|
{
|
|
update_rect();
|
|
invalidate_content();
|
|
}
|
|
|
|
DndOverlay::DndOverlay(DeprecatedString const& text, Gfx::Bitmap const* bitmap)
|
|
: m_bitmap(bitmap)
|
|
, m_text(text)
|
|
{
|
|
update_rect();
|
|
}
|
|
|
|
Gfx::Font const& DndOverlay::font()
|
|
{
|
|
return WindowManager::the().font();
|
|
}
|
|
|
|
void DndOverlay::update_rect()
|
|
{
|
|
int bitmap_width = m_bitmap ? m_bitmap->width() : 0;
|
|
int bitmap_height = m_bitmap ? m_bitmap->height() : 0;
|
|
auto& font = this->font();
|
|
int width = font.width(m_text) + bitmap_width;
|
|
int height = max(font.pixel_size_rounded_up(), bitmap_height);
|
|
auto location = ScreenInput::the().cursor_location().translated(8, 8);
|
|
set_rect(Gfx::IntRect(location, { width, height }).inflated(16, 8));
|
|
}
|
|
|
|
RefPtr<Gfx::Bitmap> DndOverlay::create_bitmap(int scale_factor)
|
|
{
|
|
auto bitmap_or_error = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, rect().size(), scale_factor);
|
|
if (bitmap_or_error.is_error())
|
|
return {};
|
|
auto new_bitmap = bitmap_or_error.release_value_but_fixme_should_propagate_errors();
|
|
|
|
auto& wm = WindowManager::the();
|
|
Gfx::Painter bitmap_painter(*new_bitmap);
|
|
auto bitmap_rect = new_bitmap->rect();
|
|
bitmap_painter.fill_rect(bitmap_rect, wm.palette().selection().with_alpha(200));
|
|
bitmap_painter.draw_rect(bitmap_rect, wm.palette().selection());
|
|
if (!m_text.is_empty()) {
|
|
auto text_rect = bitmap_rect;
|
|
if (m_bitmap)
|
|
text_rect.translate_by(m_bitmap->width() + 8, 0);
|
|
bitmap_painter.draw_text(text_rect, m_text, Gfx::TextAlignment::CenterLeft, wm.palette().selection_text());
|
|
}
|
|
if (m_bitmap)
|
|
bitmap_painter.blit(bitmap_rect.top_left().translated(4, 4), *m_bitmap, m_bitmap->rect());
|
|
return new_bitmap;
|
|
}
|
|
|
|
void WindowStackSwitchOverlay::render_overlay_bitmap(Gfx::Painter& painter)
|
|
{
|
|
// We should come up with a more elegant way to get the content rectangle
|
|
auto content_rect = Gfx::IntRect({}, m_content_size).centered_within({ {}, rect().size() });
|
|
auto active_color = WindowManager::the().palette().selection();
|
|
auto inactive_color = WindowManager::the().palette().window().darkened(0.9f);
|
|
for (int y = 0; y < m_rows; y++) {
|
|
for (int x = 0; x < m_columns; x++) {
|
|
Gfx::IntRect rect {
|
|
content_rect.left() + x * (default_screen_rect_width + default_screen_rect_padding),
|
|
content_rect.top() + y * (default_screen_rect_height + default_screen_rect_padding),
|
|
default_screen_rect_width,
|
|
default_screen_rect_height
|
|
};
|
|
bool is_target = y == m_target_row && x == m_target_column;
|
|
painter.fill_rect(rect, is_target ? active_color : inactive_color);
|
|
}
|
|
}
|
|
}
|
|
|
|
WindowStackSwitchOverlay::WindowStackSwitchOverlay(Screen& screen, WindowStack& target_window_stack)
|
|
: m_rows((int)WindowManager::the().window_stack_rows())
|
|
, m_columns((int)WindowManager::the().window_stack_columns())
|
|
, m_target_row((int)target_window_stack.row())
|
|
, m_target_column((int)target_window_stack.column())
|
|
{
|
|
m_content_size = {
|
|
m_columns * (default_screen_rect_width + default_screen_rect_padding) - default_screen_rect_padding,
|
|
m_rows * (default_screen_rect_height + default_screen_rect_padding) - default_screen_rect_padding,
|
|
};
|
|
set_rect(calculate_frame_rect(Gfx::IntRect({}, m_content_size).inflated(2 * default_screen_rect_margin, 2 * default_screen_rect_margin)).centered_within(screen.rect()));
|
|
}
|
|
|
|
}
|