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ctk-curses: add some comments for clarity

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This commit is contained in:
François Revol 2013-03-30 17:57:01 +01:00
parent 9372a153dd
commit 45662ac1ef
1 changed files with 8 additions and 1 deletions
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9
platform/native/ctk/ctk-curses.c
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@ -78,6 +78,7 @@ static unsigned char ctk_color_map[8] = {
COLOR_WHITE COLOR_WHITE
}; };
/*-----------------------------------------------------------------------------------*/
static unsigned char map_color(unsigned char color) static unsigned char map_color(unsigned char color)
{ {
unsigned char c; unsigned char c;
@ -85,17 +86,18 @@ static unsigned char map_color(unsigned char color)
c |= ctk_color_map[(color >> 4) & 0x07] << 4; c |= ctk_color_map[(color >> 4) & 0x07] << 4;
return c; return c;
} }
/*-----------------------------------------------------------------------------------*/ /*-----------------------------------------------------------------------------------*/
static void static void
ctrlhandler(int sig) ctrlhandler(int sig)
{ {
/* make sure we call console_exit() to leave the terminal in a clean state */
exit(EXIT_SUCCESS); exit(EXIT_SUCCESS);
} }
/*-----------------------------------------------------------------------------------*/ /*-----------------------------------------------------------------------------------*/
void void
console_init(void) console_init(void)
{ {
/* mouse support is ncurses-specific */
#ifdef NCURSES_MOUSE_VERSION #ifdef NCURSES_MOUSE_VERSION
mmask_t oldmask; mmask_t oldmask;
#endif #endif
@ -112,6 +114,10 @@ console_init(void)
/* will display an error and exit if the term can't be initialized */ /* will display an error and exit if the term can't be initialized */
/*setupterm((char *)0, STDOUT_FILENO, (int *)0); */ /*setupterm((char *)0, STDOUT_FILENO, (int *)0); */
/* references:
* http://linux.die.net/man/3/ncurses
* http://linux.die.net/HOWTO/NCURSES-Programming-HOWTO/index.html
*/
initscr(); initscr();
start_color(); start_color();
cbreak(); cbreak();
@ -148,6 +154,7 @@ console_init(void)
/* don't block on read, just timeout 1ms */ /* don't block on read, just timeout 1ms */
timeout(1); timeout(1);
/* make sure we return the terminal in a clean state */
signal(SIGINT, ctrlhandler); signal(SIGINT, ctrlhandler);
atexit(console_exit); atexit(console_exit);