204 lines
6.7 KiB
C
204 lines
6.7 KiB
C
/****************************************************************************
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* apps/graphics/nuttx/pdcgetsc.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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#ifdef CONFIG_SYSTEM_TERMCURSES
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#include <nuttx/termcurses.h>
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#endif
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#include <sys/ioctl.h>
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#include <assert.h>
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#include "pdcnuttx.h"
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: PDC_get_columns_term
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*
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* Description:
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* Returns the size of the screen in columns. It's used in resize_term()
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* to set the new value of COLS. (Some existing implementations also call
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* it internally from PDC_scr_open(), but this is not required.)
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*
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****************************************************************************/
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#ifdef CONFIG_SYSTEM_TERMCURSES
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int PDC_get_columns_term(FAR SCREEN *sp)
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{
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FAR struct pdc_termscreen_s *termscreen = (FAR struct pdc_termscreen_s *)sp;
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FAR struct pdc_termstate_s *termstate = &termscreen->termstate;
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struct winsize winsz;
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int ret;
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/* Call termcurses function to get window size */
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ret =termcurses_getwinsize(termstate->tcurs, &winsz);
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if (ret == OK)
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{
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return winsz.ws_col;
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}
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return ret;
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}
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#endif /* CONFIG_SYSTEM_TERMCURSES */
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/****************************************************************************
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* Name: PDC_get_rows
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*
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* Description:
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* Returns the size of the screen in rows. It's used in resize_term() to
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* set the new value of LINES. (Some existing implementations also call it
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* internally from PDC_scr_open(), but this is not required.)
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*
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****************************************************************************/
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#ifdef CONFIG_SYSTEM_TERMCURSES
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int PDC_get_rows_term(FAR SCREEN *sp)
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{
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FAR struct pdc_termscreen_s *termscreen = (FAR struct pdc_termscreen_s *)sp;
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FAR struct pdc_termstate_s *termstate = &termscreen->termstate;
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struct winsize winsz;
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int ret;
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/* Call termcurses function to get window size */
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ret =termcurses_getwinsize(termstate->tcurs, &winsz);
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if (ret == OK)
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{
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return winsz.ws_row;
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}
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return ret;
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}
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#endif /* CONFIG_SYSTEM_TERMCURSES */
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: PDC_get_rows
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*
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* Description:
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* Returns the size of the screen in rows. It's used in resize_term() to
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* set the new value of LINES. (Some existing implementations also call it
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* internally from PDC_scr_open(), but this is not required.)
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*
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****************************************************************************/
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int PDC_get_rows(void)
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{
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#ifdef CONFIG_PDCURSES_MULTITHREAD
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FAR struct pdc_context_s *ctx = PDC_ctx();
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#endif
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FAR struct pdc_fbscreen_s *fbscreen = (FAR struct pdc_fbscreen_s *)SP;
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FAR struct pdc_fbstate_s *fbstate;
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#ifdef CONFIG_SYSTEM_TERMCURSES
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if (!graphic_screen)
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{
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/* Call termcurses version of PDC_get_rows */
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return PDC_get_rows_term(SP);
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}
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#endif
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PDC_LOG(("PDC_get_rows() - called\n"));
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DEBUGASSERT(fbscreen != NULL);
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fbstate = &fbscreen->fbstate;
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return fbstate->yres / fbstate->fheight;
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}
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/****************************************************************************
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* Name: PDC_get_columns
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*
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* Description:
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* Returns the size of the screen in columns. It's used in resize_term()
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* to set the new value of COLS. (Some existing implementations also call
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* it internally from PDC_scr_open(), but this is not required.)
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*
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****************************************************************************/
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int PDC_get_columns(void)
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{
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#ifdef CONFIG_PDCURSES_MULTITHREAD
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FAR struct pdc_context_s *ctx = PDC_ctx();
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#endif
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FAR struct pdc_fbscreen_s *fbscreen = (FAR struct pdc_fbscreen_s *)SP;
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FAR struct pdc_fbstate_s *fbstate;
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PDC_LOG(("PDC_get_columns() - called\n"));
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#ifdef CONFIG_SYSTEM_TERMCURSES
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if (!graphic_screen)
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{
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/* Call termcurses version of PDC_get_cols */
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return PDC_get_columns_term(SP);
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}
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#endif
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DEBUGASSERT(fbscreen != NULL);
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fbstate = &fbscreen->fbstate;
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return fbstate->xres / fbstate->fwidth;
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}
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/****************************************************************************
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* Name: PDC_get_cursor_mode
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*
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* Description:
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* Returns the size/shape of the cursor. The format of the result is
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* unspecified, except that it must be returned as an int. This function
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* is called from initscr(), and the result is stored in SP->orig_cursor,
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* which is used by PDC_curs_set() to determine the size/shape of the
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* cursor in normal visibility mode (curs_set(1)).
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*
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****************************************************************************/
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int PDC_get_cursor_mode(void)
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{
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PDC_LOG(("PDC_get_cursor_mode() - called\n"));
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return 0;
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}
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