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WindowServer: Factor out compositing from WSWindowManager into WSCompositor.

This is far from finished and the two classes are awkwardly grabbing at each
other's innards, but here's a first step in the right direction.
This commit is contained in:
Andreas Kling 2019-05-24 19:32:46 +02:00
parent 508007f1dd
commit ad908f1395
11 changed files with 487 additions and 426 deletions

View file

@ -0,0 +1,58 @@
#pragma once
#include <AK/OwnPtr.h>
#include <AK/RetainPtr.h>
#include <LibCore/CObject.h>
#include <SharedGraphics/DisjointRectSet.h>
#include <SharedGraphics/GraphicsBitmap.h>
class Painter;
class WSCursor;
class WSCompositor final : public CObject {
public:
static WSCompositor& the();
void compose();
void invalidate();
void invalidate(const Rect&);
void set_resolution(int width, int height);
bool set_wallpaper(const String& path, Function<void(bool)>&& callback);
String wallpaper_path() const { return m_wallpaper_path; }
void invalidate_cursor();
Rect current_cursor_rect() const;
private:
virtual void event(CEvent&) override;
virtual const char* class_name() const override { return "WSCompositor"; }
WSCompositor();
void flip_buffers();
void flush(const Rect&);
void draw_cursor();
void draw_geometry_label();
void draw_menubar();
void finish_setting_wallpaper(const String& path, Retained<GraphicsBitmap>&&);
unsigned m_compose_count { 0 };
unsigned m_flush_count { 0 };
bool m_pending_compose_event { false };
bool m_flash_flush { false };
bool m_buffers_are_flipped { false };
RetainPtr<GraphicsBitmap> m_front_bitmap;
RetainPtr<GraphicsBitmap> m_back_bitmap;
OwnPtr<Painter> m_back_painter;
OwnPtr<Painter> m_front_painter;
DisjointRectSet m_dirty_rects;
Rect m_last_cursor_rect;
Rect m_last_geometry_label_rect;
String m_wallpaper_path;
RetainPtr<GraphicsBitmap> m_wallpaper;
};