158 lines
4.2 KiB
C
158 lines
4.2 KiB
C
/*
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* Cursor and icon support
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*
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* Copyright 1995 Alexandre Julliard
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* Copyright 1996 Martin Von Loewis
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* Copyright 1997 Alex Korobka
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* Copyright 1998 Turchanov Sergey
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* Copyright 2007 Henri Verbeet
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* Copyright 2009 Vincent Povirk for CodeWeavers
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* Copyright 2016 Dmitry Timoshkov
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*
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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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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include "win32u_private.h"
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#include "wine/server.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(cursor);
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/***********************************************************************
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* NtUserShowCursor (win32u.@)
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*/
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INT WINAPI NtUserShowCursor( BOOL show )
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{
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HCURSOR cursor;
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int increment = show ? 1 : -1;
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int count;
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SERVER_START_REQ( set_cursor )
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{
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req->flags = SET_CURSOR_COUNT;
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req->show_count = increment;
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wine_server_call( req );
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cursor = wine_server_ptr_handle( reply->prev_handle );
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count = reply->prev_count + increment;
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}
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SERVER_END_REQ;
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TRACE("%d, count=%d\n", show, count );
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if (show && !count) user_driver->pSetCursor( cursor );
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else if (!show && count == -1) user_driver->pSetCursor( 0 );
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return count;
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}
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/***********************************************************************
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* NtUserGetCursor (win32u.@)
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*/
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HCURSOR WINAPI NtUserGetCursor(void)
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{
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HCURSOR ret;
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SERVER_START_REQ( set_cursor )
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{
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req->flags = 0;
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wine_server_call( req );
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ret = wine_server_ptr_handle( reply->prev_handle );
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}
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SERVER_END_REQ;
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return ret;
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}
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/***********************************************************************
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* NtUserClipCursor (win32u.@)
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*/
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BOOL WINAPI NtUserClipCursor( const RECT *rect )
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{
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UINT dpi;
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BOOL ret;
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RECT new_rect;
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TRACE( "Clipping to %s\n", wine_dbgstr_rect(rect) );
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if (rect)
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{
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if (rect->left > rect->right || rect->top > rect->bottom) return FALSE;
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if ((dpi = get_thread_dpi()))
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{
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HMONITOR monitor = monitor_from_rect( rect, MONITOR_DEFAULTTOPRIMARY, dpi );
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new_rect = map_dpi_rect( *rect, dpi, get_monitor_dpi( monitor ));
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rect = &new_rect;
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}
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}
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SERVER_START_REQ( set_cursor )
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{
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req->clip_msg = WM_WINE_CLIPCURSOR;
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if (rect)
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{
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req->flags = SET_CURSOR_CLIP;
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req->clip.left = rect->left;
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req->clip.top = rect->top;
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req->clip.right = rect->right;
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req->clip.bottom = rect->bottom;
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}
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else req->flags = SET_CURSOR_NOCLIP;
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if ((ret = !wine_server_call( req )))
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{
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new_rect.left = reply->new_clip.left;
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new_rect.top = reply->new_clip.top;
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new_rect.right = reply->new_clip.right;
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new_rect.bottom = reply->new_clip.bottom;
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}
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}
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SERVER_END_REQ;
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if (ret) user_driver->pClipCursor( &new_rect );
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return ret;
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}
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BOOL get_clip_cursor( RECT *rect )
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{
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UINT dpi;
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BOOL ret;
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if (!rect) return FALSE;
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SERVER_START_REQ( set_cursor )
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{
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req->flags = 0;
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if ((ret = !wine_server_call( req )))
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{
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rect->left = reply->new_clip.left;
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rect->top = reply->new_clip.top;
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rect->right = reply->new_clip.right;
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rect->bottom = reply->new_clip.bottom;
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}
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}
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SERVER_END_REQ;
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if (ret && (dpi = get_thread_dpi()))
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{
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HMONITOR monitor = monitor_from_rect( rect, MONITOR_DEFAULTTOPRIMARY, 0 );
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*rect = map_dpi_rect( *rect, get_monitor_dpi( monitor ), dpi );
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}
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return ret;
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}
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