25b92edd9f
apps/builtin/exec_builtin.c: Try posix_spawn if builtin apps do not have have an entry point.
apps/Application.mk: introduce MODULE config to simplify tristate(m)
apps/nsh: Change the nuttx shell module type to tristate
apps: Add loadable application support
script/mksymtab: Generate symbol table name by default
apps/builtin: Allow loadable applications can register with apps/builtin.
152 lines
4.2 KiB
C
152 lines
4.2 KiB
C
/****************************************************************************
|
|
* apps/examples/pdcurses/charset_main.c
|
|
*
|
|
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
|
* Adapted by: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "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
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include "graphics/curses.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#define FIRST_CH 0x20
|
|
#define LAST_CH 0x7e
|
|
#define NUM_CH (LAST_CH - FIRST_CH + 1)
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
static short color_table[] =
|
|
{
|
|
COLOR_RED, COLOR_BLUE, COLOR_GREEN, COLOR_CYAN,
|
|
COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_BUILD_LOADABLE
|
|
int main(int argc, FAR char *argv[])
|
|
#else
|
|
int charset_main(int argc, char *argv[])
|
|
#endif
|
|
{
|
|
chtype ch;
|
|
int lastch;
|
|
int width;
|
|
int height;
|
|
int xoffset;
|
|
int yoffset;
|
|
int row;
|
|
int col;
|
|
int i;
|
|
|
|
/* Initialize */
|
|
|
|
traceon();
|
|
initscr();
|
|
noecho();
|
|
|
|
/* Setup colors */
|
|
|
|
if (has_colors())
|
|
{
|
|
start_color();
|
|
}
|
|
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
init_pair(i, color_table[i], COLOR_BLACK);
|
|
}
|
|
|
|
/* Set up geometry */
|
|
/* First get the maximum width */
|
|
|
|
width = COLS - 2;
|
|
if (width > NUM_CH)
|
|
{
|
|
width = NUM_CH;
|
|
}
|
|
|
|
/* Get the height associated with the maximum width */
|
|
|
|
height = (NUM_CH + width - 1) / width;
|
|
lastch = LAST_CH;
|
|
|
|
if (height > LINES)
|
|
{
|
|
height = LINES;
|
|
lastch = FIRST_CH + width * height - 1;
|
|
}
|
|
|
|
/* Reduce the width if it will give us a more balanced layout */
|
|
|
|
while (height < (LINES / 2) && width > (COLS / 2))
|
|
{
|
|
int numch = lastch - FIRST_CH + 1;
|
|
|
|
width >>= 1;
|
|
height = (numch + width - 1) / width;
|
|
}
|
|
|
|
/* Center the rectangle containing the font set */
|
|
|
|
xoffset = (COLS - width) / 2;
|
|
yoffset = (LINES - height) / 2;
|
|
|
|
/* Now display the character set using that geometry */
|
|
|
|
ch = FIRST_CH;
|
|
for (row = yoffset; row < yoffset + height; row++)
|
|
{
|
|
for (col = xoffset; col < xoffset + width; col++)
|
|
{
|
|
mvaddch(row, col, ch);
|
|
if (++ch > lastch)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
refresh();
|
|
endwin();
|
|
return 0;
|
|
}
|