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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <termios.h>
#include <unistd.h>
#include "types.h"
#include "utf8.h"
#include "display.h"
void die(const char *, ...);
Boolean_t multiplexor(Boolean_t);
static struct display *D;
static int rows, columns;
static void dfill(int row, int rows, int col, int cols,
int ch, rgba_t fgrgba, rgba_t bgrgba)
{
int j, k;
for (j = 0; j < rows; j++)
for (k = 0; k < cols; k++)
display_put(D, row+j, col+k, ch, fgrgba, bgrgba);
}
static void dprint(int row, int col, rgba_t fgrgba, rgba_t bgrgba,
const char *format, ...)
{
char buffer[256], *p;
va_list ap;
va_start(ap, format);
vsnprintf(buffer, sizeof buffer, format, ap);
va_end(ap);
for (p = buffer; *p; p++)
display_put(D, row, col++, *p, fgrgba, bgrgba);
}
static void dpause(void)
{
int ch;
dfill(rows-1, 1, 0, columns, ' ', RED_RGBA, WHITE_RGBA);
dprint(rows-1, 0, RED_RGBA, WHITE_RGBA, "Hit Q to quit, or any other key to continue...");
while ((ch = display_getch(D, 1)) == ERROR_CHANGED)
display_get_geometry(D, &rows, &columns);
if (ch == 'q' || ch == 'Q') {
display_end(D);
exit(EXIT_SUCCESS);
}
}
void die(const char *msg, ...)
{
va_list ap;
display_end(D);
va_start(ap, msg);
vfprintf(stderr, msg, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
Boolean_t multiplexor(Boolean_t block)
{
return TRUE;
}
int main(void)
{
if (tcgetattr(1, &original_termios))
die("not running in a terminal");
D = display_init();
display_get_geometry(D, &rows, &columns);
display_title(D, "display-test");
dprint(0, 0, BLACK_RGBA, WHITE_RGBA, "geometry: %d rows, %d columns", rows, columns);
dprint(1, 0, DEFAULT_FGRGBA, DEFAULT_BGRGBA, "default foreground and background");
dprint(2, 0, WHITE_RGBA, BLACK_RGBA, "white foreground on black background");
dprint(3, 0, BLACK_RGBA, WHITE_RGBA, "black foreground on white background");
dprint(4, 0, RED_RGBA, BLUE_RGBA, "red foreground on blue background");
dprint(5, 0, BLUE_RGBA, RED_RGBA, "blue foreground on red background");
dpause();
dfill(0, rows, 0, columns, '.', RED_RGBA, GREEN_RGBA);
dprint(0, 0, BLUE_RGBA, RED_RGBA, "filled with red dots on green");
dpause();
display_erase(D, 0, 0, rows, columns);
dprint(0, 0, BLUE_RGBA, RED_RGBA, "after ERASEALL display_erase()");
dpause();
dfill(0, rows, 0, columns, '.', RED_RGBA, GREEN_RGBA);
display_erase(D, rows/2, 0, rows - rows/2, columns);
dprint(0, 0, BLUE_RGBA, RED_RGBA, "after ERASETOEND display_erase()");
dpause();
dfill(0, rows, 0, columns, '.', RED_RGBA, GREEN_RGBA);
display_erase(D, 1, columns/2, 1, columns);
dprint(0, 0, BLUE_RGBA, RED_RGBA, "after ERASELINE display_erase()");
dpause();
dfill(0, rows, 0, columns, '.', RED_RGBA, GREEN_RGBA);
display_erase(D, 1, 0, 1, columns/2);
dprint(0, 0, BLUE_RGBA, RED_RGBA, "after ERASECOLS display_erase()");
dpause();
dfill(0, rows, 0, columns, '.', RED_RGBA, GREEN_RGBA);
display_insert_lines(D, 2, 0, rows/2, rows-2, columns);
dprint(0, 0, BLUE_RGBA, RED_RGBA, "after display_insert_lines()");
dpause();
dfill(0, rows, 0, columns, '.', RED_RGBA, GREEN_RGBA);
dfill(rows-1, 1, 0, columns, '*', RED_RGBA, GREEN_RGBA);
display_delete_lines(D, 2, 0, rows/2, rows-2, columns);
dprint(0, 0, BLUE_RGBA, RED_RGBA, "after display_delete_lines()");
dpause();
dfill(0, rows, 0, columns, '.', RED_RGBA, GREEN_RGBA);
display_insert_spaces(D, 2, 0, columns/2, columns);
display_insert_spaces(D, 3, columns/2, columns - (columns/2), columns);
dprint(0, 0, BLUE_RGBA, RED_RGBA, "after display_insert_spaces()");
dpause();
dfill(0, rows, 0, columns, '.', RED_RGBA, GREEN_RGBA);
display_delete_chars(D, 2, 0, columns/2, columns);
display_delete_chars(D, 3, columns/2, columns - (columns/2), columns);
dprint(0, 0, BLUE_RGBA, RED_RGBA, "after display_delete_chars()");
dpause();
display_end(D);
printf("display-test done\n");
return EXIT_SUCCESS;
}
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