mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
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95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/*
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Copyright (C) 2009 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _H_CURSOR_CHANNEL
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#define _H_CURSOR_CHANNEL
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#include "red_channel.h"
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#include "cache.hpp"
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#include "cursor.h"
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#include "screen_layer.h"
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class ChannelFactory;
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class CursorChannel;
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class DisplayChannel;
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class CursorCacheTreat {
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public:
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static inline CursorData* get(CursorData* cursor)
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{
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return cursor->ref();
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}
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static inline void release(CursorData* cursor)
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{
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cursor->unref();
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}
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static const char* name() { return "cursor";}
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};
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typedef Cache<CursorData, CursorCacheTreat, 1024> CursorCache;
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class CursorChannel: public RedChannel, public ScreenLayer {
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public:
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CursorChannel(RedClient& client, uint32_t id);
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virtual ~CursorChannel();
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static ChannelFactory& Factory();
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void on_mouse_mode_change();
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void attach_display(DisplayChannel* channel);
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void detach_display();
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protected:
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virtual void on_connect();
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virtual void on_disconnect();
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private:
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static void create_native_cursor(CursorData* cursor);
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void update_display_cursor();
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void set_cursor(SpiceCursor& red_cursor, int x, int y, bool visible);
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void remove_cursor();
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virtual void copy_pixels(const QRegion& dest_region, RedDrawable& dest_dc);
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void handle_init(RedPeer::InMessage* message);
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void handle_reset(RedPeer::InMessage* message);
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void handle_cursor_set(RedPeer::InMessage* message);
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void handle_cursor_move(RedPeer::InMessage* message);
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void handle_cursor_hide(RedPeer::InMessage* message);
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void handle_cursor_trail(RedPeer::InMessage* message);
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void handle_inval_one(RedPeer::InMessage* message);
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void handle_inval_all(RedPeer::InMessage* message);
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friend class AttachDispayEvent;
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friend class CursorUpdateEvent;
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private:
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CursorCache _cursor_cache;
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CursorData* _cursor;
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SpicePoint _hot_pos;
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SpiceRect _cursor_rect;
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Mutex _update_lock;
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bool _cursor_visible;
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DisplayChannel* _display_channel;
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};
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#endif
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