display.c

神龙解压卡Linux下的完整开发包,绝对是超值超值超值

#include "common.h"

#include "display.h"

#define MESSAGE_SIZE 40
#define PLAY_SIZE 10
#define TIME_SIZE 10
#define TITLE_SIZE 4
#define CHAPTER_SIZE 5
#define DOMAIN_SIZE 6

static int g_action_display = 1;

static char g_display[MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE+CHAPTER_SIZE+DOMAIN_SIZE+1];

static void display_clear (void) 
{
	// go one line up and delete the line.
	if (g_action_display) {
		printf ("%cM %c[2K", 0x1b, 0x1b);
	}
}

static void display (void)
{
	int i;
	int space_pad;

	space_pad = 0;
	for (i = 0; i < MESSAGE_SIZE; i++) {
		if (g_display[i] == '\0') {
			space_pad = 1;
		}
		if (space_pad) {
			g_display[i] = ' ';
		}
	}
	g_display[MESSAGE_SIZE-1] = '-';

	space_pad = 0;
	for (i = MESSAGE_SIZE; i < MESSAGE_SIZE+PLAY_SIZE; i++) {
		if (g_display[i] == '\0') {
			space_pad = 1;
		}
		if (space_pad) {
			g_display[i] = ' ';
		}
	}
	g_display[MESSAGE_SIZE+PLAY_SIZE-1] = '-';

	space_pad = 0;
	for (i = MESSAGE_SIZE+PLAY_SIZE; i < MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE; i++) {
		if (g_display[i] == '\0') {
			space_pad = 1;
		}
		if (space_pad) {
			g_display[i] = ' ';
		}
	}
	g_display[MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE-1] = '-';

	space_pad = 0;
	for (i = MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE; i < MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE; i++) {
		if (g_display[i] == '\0') {
			space_pad = 1;
		}
		if (space_pad) {
			g_display[i] = ' ';
		}
	}
	g_display[MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE-1] = '-';

	space_pad = 0;
	for (i = MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE; 
	     i < MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE+CHAPTER_SIZE; i++) {
		if (g_display[i] == '\0') {
			space_pad = 1;
		}
		if (space_pad) {
			g_display[i] = ' ';
		}
	}
	g_display[MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE+CHAPTER_SIZE-1] = '-';


	space_pad = 0;
	for (i = MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE+CHAPTER_SIZE; 
	     i < MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE+CHAPTER_SIZE+DOMAIN_SIZE; i++) {
		if (g_display[i] == '\0') {
			space_pad = 1;
		}
		if (space_pad) {
			g_display[i] = ' ';
		}
	}
	g_display[MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE+CHAPTER_SIZE+DOMAIN_SIZE] = '\n';

	if (g_action_display) {
		printf (g_display);
	}
}


void display_init (void)
{
	int i;
	for (i = 0; i < MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE; i++) {
		g_display[i] = ' ';
	}
}

void display_message (const char *str)
{
	display_clear ();
	strncpy (g_display, str, MESSAGE_SIZE);
	display ();
}

void display_play_state (const char *str)
{
	display_clear ();
	strncpy (g_display+MESSAGE_SIZE, str, PLAY_SIZE);
	display ();
}

void display_time (const char *str)
{
	display_clear ();
	strncpy (g_display+MESSAGE_SIZE+PLAY_SIZE, str, TIME_SIZE);
	display ();
}

void display_title (const char *str)
{
	display_clear ();
	strncpy (g_display+MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE, str, TITLE_SIZE);
	display ();
}

void display_chapter (const char *str)
{
	display_clear ();
	strncpy (g_display+MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE, str, CHAPTER_SIZE);
	display ();
}

void display_domain (const char *str)
{
	display_clear ();
	strncpy (g_display+MESSAGE_SIZE+PLAY_SIZE+TIME_SIZE+TITLE_SIZE+CHAPTER_SIZE, str, DOMAIN_SIZE);
	display ();
}

void display_disable (void)
{
	g_action_display = 0;
}