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Get the terminal size at startup with ioctl() and use it. Fixes at least

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NetBSD.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@2616 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2002-03-14 23:46:48 +00:00 committed by cras
parent 85a1b122cd
commit 6a89217d6a
3 changed files with 37 additions and 22 deletions
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6
src/fe-text/term-terminfo.c
View File

@ -78,6 +78,7 @@ static int redraw_timeout(void)
int term_init(void)
{
struct sigaction act;
int width, height;
last_fg = last_bg = -1;
last_attrs = 0;
@ -89,6 +90,11 @@ int term_init(void)
if (current_term == NULL)
return FALSE;
if (term_get_size(&width, &height)) {
current_term->width = width;
current_term->height = height;
}
/* grab CONT signal */
sigemptyset(&act.sa_mask);
act.sa_flags = 0;

44
src/fe-text/term.c
View File

@ -47,12 +47,31 @@ int term_type;
static int force_colors;
static int resize_dirty;
/* Resize the terminal if needed */
void term_resize_dirty(void)
int term_get_size(int *width, int *height)
{
#ifdef TIOCGWINSZ
struct winsize ws;
/* Get new window size */
if (ioctl(0, TIOCGWINSZ, &ws) < 0)
return FALSE;
*width = ws.ws_col;
*height = ws.ws_row;
if (*width < MIN_SCREEN_WIDTH)
*width = MIN_SCREEN_WIDTH;
if (*height < 1)
*height = 1;
return TRUE;
#else
return FALSE;
#endif
}
/* Resize the terminal if needed */
void term_resize_dirty(void)
{
int width, height;
if (!resize_dirty)
@ -60,27 +79,14 @@ void term_resize_dirty(void)
resize_dirty = FALSE;
#ifdef TIOCGWINSZ
/* Get new window size */
if (ioctl(0, TIOCGWINSZ, &ws) < 0)
return;
if (ws.ws_row == term_height && ws.ws_col == term_width) {
/* Same size, abort. */
return;
}
if (ws.ws_col < MIN_SCREEN_WIDTH)
ws.ws_col = MIN_SCREEN_WIDTH;
width = ws.ws_col;
height = ws.ws_row;
#else
if (!term_get_size(&width, &height))
width = height = -1;
#endif
if (height != term_height || width != term_width) {
term_resize(width, height);
mainwindows_resize(term_width, term_height);
term_resize_final(width, height);
}
}
#ifdef SIGWINCH

3
src/fe-text/term.h
View File

@ -30,6 +30,9 @@ extern int term_use_colors, term_type, term_detached;
int term_init(void);
void term_deinit(void);
/* Gets the current terminal size, returns TRUE if ok. */
int term_get_size(int *width, int *height);
/* Resize terminal - if width or height is negative,
the new size is unknown and should be figured out somehow */
void term_resize(int width, int height);