/*
* Copyright (c) 2020 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <assert.h>
#include <display/wndresize.h>
#include <stdbool.h>
/** Get stock cursor to use for the specified window resize type.
*
* The resize type must be valid, otherwise behavior is undefined.
* Resize type can be validated using @c display_wndrsz_valid().
*
* @param rsztype Resize type
* @return Cursor to use for this resize type
*/
display_stock_cursor_t display_cursor_from_wrsz(display_wnd_rsztype_t rsztype)
{
switch (rsztype) {
case display_wr_top:
case display_wr_bottom:
return dcurs_size_ud;
case display_wr_left:
case display_wr_right:
return dcurs_size_lr;
case display_wr_top_left:
case display_wr_bottom_right:
return dcurs_size_uldr;
case display_wr_top_right:
case display_wr_bottom_left:
return dcurs_size_urdl;
default:
assert(false);
return dcurs_arrow;
}
}
/** Determine if resize type is valid.
*
* Determine if the resize type has one of the valid values. This function
* should be used when the resize type comes from an untrusted source
* (such as from the client).
*
* @param rsztype Resize type
* @return @c true iff the resize type is valid
*/
bool display_wndrsz_valid(display_wnd_rsztype_t rsztype)
{
bool valid;
valid = false;
switch (rsztype) {
case display_wr_top:
case display_wr_bottom:
case display_wr_left:
case display_wr_right:
case display_wr_top_left:
case display_wr_bottom_right:
case display_wr_top_right:
case display_wr_bottom_left:
valid = true;
break;
}
return valid;
}
/** @}
*/