128 lines
4.5 KiB
C
128 lines
4.5 KiB
C
/****************************************************************************
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* apps/graphics/nuttx/pdcsetsc.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <string.h>
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#include "pdcnuttx.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: PDC_curs_set
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*
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* Description:
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* Called from curs_set(). Changes the appearance of the cursor -- 0 turns
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* it off, 1 is normal (the terminal's default, if applicable, as
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* determined by SP->orig_cursor), and 2 is high visibility. The exact
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* appearance of these modes is not specified.
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*
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****************************************************************************/
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int PDC_curs_set(int visibility)
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{
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int ret;
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PDC_LOG(("PDC_curs_set() - called: visibility=%d\n", visibility));
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/* The return value is the previous visibility */
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ret = SP->visibility;
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/* Make sure that the new visibility is within range, then instantiate it. */
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if (visibility < 0)
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{
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visibility = 0;
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}
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else if (visibility > 2)
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{
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visibility = 2;
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}
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SP->visibility = visibility;
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/* Redraw the cursor of the visiblity has change. For our purses 1 and 2
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* are currently treated the same.
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*/
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if ((ret == 0 && visibility > 0) || /* From OFF to ON */
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(ret > 0 && visibility == 0)) /* From ON to OFF */
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{
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PDC_gotoyx(SP->cursrow, SP->curscol);
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}
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return ret;
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}
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/****************************************************************************
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* Name: PDC_set_title
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*
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* Description:
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* PDC_set_title() sets the title of the window in which the curses
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* program is running. This function may not do anything on some
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* platforms. (Currently it only works in Win32 and X11.)
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*
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****************************************************************************/
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void PDC_set_title(const char *title)
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{
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PDC_LOG(("PDC_set_title() - called:<%s>\n", title));
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}
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/****************************************************************************
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* Name: PDC_set_blink
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*
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* Description:
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* PDC_set_blink() toggles whether the A_BLINK attribute sets an actual
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* blink mode (true), or sets the background color to high intensity
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* (false). The default is platform-dependent (false in most cases). It
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* returns OK if it could set the state to match the given parameter,
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* ERR otherwise. Current platforms also adjust the value of COLORS
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* according to this function -- 16 for false, and 8 for true.
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*
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****************************************************************************/
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int PDC_set_blink(bool blinkon)
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{
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COLORS = 16;
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return blinkon ? ERR : OK;
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}
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