nuttx-apps/graphics/pdcurs34/nuttx/pdcsetsc.c
Alin Jerpelea 33254aaaad apps: graphics: pdcurs34: update licenses to Apache
Gregory Nutt is the copyright holder for those files and he has submitted the
SGA as a result we can migrate the licenses to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2022-03-11 00:14:32 +02:00

167 lines
5.3 KiB
C

/****************************************************************************
* apps/graphics/nuttx/pdcsetsc.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <string.h>
#include "pdcnuttx.h"
#ifdef CONFIG_SYSTEM_TERMCURSES
#include <system/termcurses.h>
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: PDC_curs_set_term
*
* Description:
* Called from curs_set(). Changes the appearance of the cursor -- 0 turns
* it off, 1 is normal (the terminal's default, if applicable, as
* determined by SP->orig_cursor), and 2 is high visibility. The exact
* appearance of these modes is not specified.
*
****************************************************************************/
#ifdef CONFIG_SYSTEM_TERMCURSES
static void PDC_curs_set_term(int visibility)
{
#ifdef CONFIG_PDCURSES_MULTITHREAD
FAR struct pdc_context_s *ctx = PDC_ctx();
#endif
FAR struct pdc_termscreen_s *termscreen = (FAR struct pdc_termscreen_s *)SP;
FAR struct pdc_termstate_s *termstate = &termscreen->termstate;
unsigned long attrib;
if (visibility)
{
attrib = TCURS_ATTRIB_CURS_SHOW;
}
else
{
attrib = TCURS_ATTRIB_CURS_HIDE;
}
termcurses_setattribute(termstate->tcurs, attrib);
}
#endif /* CONFIG_SYSTEM_TERMCURSES */
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: PDC_curs_set
*
* Description:
* Called from curs_set(). Changes the appearance of the cursor -- 0 turns
* it off, 1 is normal (the terminal's default, if applicable, as
* determined by SP->orig_cursor), and 2 is high visibility. The exact
* appearance of these modes is not specified.
*
****************************************************************************/
int PDC_curs_set(int visibility)
{
#ifdef CONFIG_PDCURSES_MULTITHREAD
FAR struct pdc_context_s *ctx = PDC_ctx();
#endif
int ret;
PDC_LOG(("PDC_curs_set() - called: visibility=%d\n", visibility));
/* The return value is the previous visibility */
ret = SP->visibility;
/* Make sure that the new visibility is within range, then instantiate it. */
if (visibility < 0)
{
visibility = 0;
}
else if (visibility > 2)
{
visibility = 2;
}
SP->visibility = visibility;
#ifdef CONFIG_SYSTEM_TERMCURSES
if (!graphic_screen)
{
PDC_curs_set_term(visibility);
}
#endif
/* Redraw the cursor of the visibility has change. For our purses 1 and 2
* are currently treated the same.
*/
if ((ret == 0 && visibility > 0) || /* From OFF to ON */
(ret > 0 && visibility == 0)) /* From ON to OFF */
{
PDC_gotoyx(SP->cursrow, SP->curscol);
}
return ret;
}
/****************************************************************************
* Name: PDC_set_title
*
* Description:
* PDC_set_title() sets the title of the window in which the curses
* program is running. This function may not do anything on some
* platforms. (Currently it only works in Win32 and X11.)
*
****************************************************************************/
void PDC_set_title(const char *title)
{
PDC_LOG(("PDC_set_title() - called:<%s>\n", title));
}
/****************************************************************************
* Name: PDC_set_blink
*
* Description:
* PDC_set_blink() toggles whether the A_BLINK attribute sets an actual
* blink mode (true), or sets the background color to high intensity
* (false). The default is platform-dependent (false in most cases). It
* returns OK if it could set the state to match the given parameter,
* ERR otherwise. Current platforms also adjust the value of COLORS
* according to this function -- 16 for false, and 8 for true.
*
****************************************************************************/
int PDC_set_blink(bool blinkon)
{
#ifdef CONFIG_PDCURSES_MULTITHREAD
FAR struct pdc_context_s *ctx = PDC_ctx();
#endif
COLORS = 16;
return blinkon ? ERR : OK;
}