Sweden-Number/dlls/win32u/cursoricon.c

158 lines
4.2 KiB
C

/*
* Cursor and icon support
*
* Copyright 1995 Alexandre Julliard
* Copyright 1996 Martin Von Loewis
* Copyright 1997 Alex Korobka
* Copyright 1998 Turchanov Sergey
* Copyright 2007 Henri Verbeet
* Copyright 2009 Vincent Povirk for CodeWeavers
* Copyright 2016 Dmitry Timoshkov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include "win32u_private.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(cursor);
/***********************************************************************
* NtUserShowCursor (win32u.@)
*/
INT WINAPI NtUserShowCursor( BOOL show )
{
HCURSOR cursor;
int increment = show ? 1 : -1;
int count;
SERVER_START_REQ( set_cursor )
{
req->flags = SET_CURSOR_COUNT;
req->show_count = increment;
wine_server_call( req );
cursor = wine_server_ptr_handle( reply->prev_handle );
count = reply->prev_count + increment;
}
SERVER_END_REQ;
TRACE("%d, count=%d\n", show, count );
if (show && !count) user_driver->pSetCursor( cursor );
else if (!show && count == -1) user_driver->pSetCursor( 0 );
return count;
}
/***********************************************************************
* NtUserGetCursor (win32u.@)
*/
HCURSOR WINAPI NtUserGetCursor(void)
{
HCURSOR ret;
SERVER_START_REQ( set_cursor )
{
req->flags = 0;
wine_server_call( req );
ret = wine_server_ptr_handle( reply->prev_handle );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* NtUserClipCursor (win32u.@)
*/
BOOL WINAPI NtUserClipCursor( const RECT *rect )
{
UINT dpi;
BOOL ret;
RECT new_rect;
TRACE( "Clipping to %s\n", wine_dbgstr_rect(rect) );
if (rect)
{
if (rect->left > rect->right || rect->top > rect->bottom) return FALSE;
if ((dpi = get_thread_dpi()))
{
HMONITOR monitor = monitor_from_rect( rect, MONITOR_DEFAULTTOPRIMARY, dpi );
new_rect = map_dpi_rect( *rect, dpi, get_monitor_dpi( monitor ));
rect = &new_rect;
}
}
SERVER_START_REQ( set_cursor )
{
req->clip_msg = WM_WINE_CLIPCURSOR;
if (rect)
{
req->flags = SET_CURSOR_CLIP;
req->clip.left = rect->left;
req->clip.top = rect->top;
req->clip.right = rect->right;
req->clip.bottom = rect->bottom;
}
else req->flags = SET_CURSOR_NOCLIP;
if ((ret = !wine_server_call( req )))
{
new_rect.left = reply->new_clip.left;
new_rect.top = reply->new_clip.top;
new_rect.right = reply->new_clip.right;
new_rect.bottom = reply->new_clip.bottom;
}
}
SERVER_END_REQ;
if (ret) user_driver->pClipCursor( &new_rect );
return ret;
}
BOOL get_clip_cursor( RECT *rect )
{
UINT dpi;
BOOL ret;
if (!rect) return FALSE;
SERVER_START_REQ( set_cursor )
{
req->flags = 0;
if ((ret = !wine_server_call( req )))
{
rect->left = reply->new_clip.left;
rect->top = reply->new_clip.top;
rect->right = reply->new_clip.right;
rect->bottom = reply->new_clip.bottom;
}
}
SERVER_END_REQ;
if (ret && (dpi = get_thread_dpi()))
{
HMONITOR monitor = monitor_from_rect( rect, MONITOR_DEFAULTTOPRIMARY, 0 );
*rect = map_dpi_rect( *rect, get_monitor_dpi( monitor ), dpi );
}
return ret;
}