mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
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89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/*
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Copyright (C) 2009 Red Hat, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _H_SCREEN_LAYER
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#define _H_SCREEN_LAYER
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#include "threads.h"
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#include "region.h"
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class RedScreen;
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class Application;
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class ScreenLayer {
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public:
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ScreenLayer(int z_order, bool opaque);
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virtual ~ScreenLayer();
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void attach_to_screen(Application& applicaion, int screen_id);
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void detach_from_screen(Application& applicaion);
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void set_screen(RedScreen* screen) { _screen = screen;}
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RedScreen* screen() { return _screen; }
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int z_order() { return _z_order;}
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void set_area(const QRegion& area);
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void offset_area(int dx, int dy);
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void clear_area();
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void set_rect_area(const Rect& r);
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void add_rect_area(const Rect& r);
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void remove_rect_area(const Rect& r);
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void begin_update(QRegion& direct_rgn, QRegion& composit_rgn);
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void invalidate();
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uint64_t invalidate(const Rect& r, bool urgent = false);
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void invalidate(const QRegion& r);
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bool contains_point(int x, int y);
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virtual void copy_pixels(const QRegion& dest_region, RedDrawable& dest_dc) {}
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void set_using_ogl(bool val) {_using_ogl = val;}
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bool using_ogl() {return _using_ogl;}
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virtual void on_size_changed() {}
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virtual void pre_migrate() { }
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virtual void post_migrate() { }
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QRegion& area() { return _area;}
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QRegion& direct_area() { return _direct_area;}
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QRegion& composit_area() { return _composit_area;}
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virtual void on_update_completion(uint64_t mark) {}
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virtual bool pointer_test(int x, int y) { return false;}
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virtual void on_pointer_enter(int x, int y, unsigned int buttons_state) {}
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virtual void on_pointer_motion(int x, int y, unsigned int buttons_state) {}
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virtual void on_pointer_leave() {}
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virtual void on_mouse_button_press(int button, int buttons_state) {}
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virtual void on_mouse_button_release(int button, int buttons_state) {}
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private:
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uint64_t invalidate_rect(const Rect& r, bool urgent);
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void notify_changed();
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private:
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RedScreen* _screen;
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int _z_order;
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bool _opaque;
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bool _using_ogl;
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Mutex _area_lock;
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QRegion _area;
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QRegion _direct_area;
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QRegion _composit_area;
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};
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#endif
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