static int
read_stdin(void) {
char buf[MAX_LINE_LEN],
retbuf[MAX_LINE_LEN];
ssize_t n, n_off=0;
if(!(n = read(STDIN_FILENO, buf, sizeof buf))) {
if(!dzen.ispersistent) {
dzen.running = False;
return -1;
}
else
return -2;
}
else {
while((n_off = chomp(buf, retbuf, n_off, n))) {
if(!dzen.slave_win.ishmenu
&& dzen.tsupdate
&& dzen.slave_win.max_lines
&& ((dzen.cur_line == 0) || !(dzen.cur_line % (dzen.slave_win.max_lines+1))))
drawheader(retbuf);
else if(!dzen.slave_win.ishmenu
&& !dzen.tsupdate
&& ((dzen.cur_line == 0) || !dzen.slave_win.max_lines))
drawheader(retbuf);
else
drawbody(retbuf);
dzen.cur_line++;
}
}
return 0;
}
//TODO (PM) The check for `ispersistent' is outside the logical scope of this
// function
static int
read_stdin(void) {
char buf[MAX_LINE_LEN],
retbuf[MAX_LINE_LEN];
ssize_t n, n_off=0;
n = read(STDIN_FILENO, buf, sizeof buf);
if(n == 0) { // If 0 bits are read
if(!dzen.ispersistent) { // And dzen is not persistent
dzen.running = False; // Stop running
//TODO (PM) The value of `running' will never be checked since the
// event loop returns if this function returns -1
return -1;
}
else
return -2; // Is persistent
}
else if (n > 0) {
while((n_off = chomp(buf, retbuf, n_off, n))) {
if(!dzen.slave_win.ishmenu
&& dzen.tsupdate
&& dzen.slave_win.max_lines
&& ((dzen.cur_line == 0) || !(dzen.cur_line % (dzen.slave_win.max_lines+1))))
drawheader(retbuf);
else if(!dzen.slave_win.ishmenu
&& !dzen.tsupdate
&& ((dzen.cur_line == 0) || !dzen.slave_win.max_lines))
drawheader(retbuf);
else
drawbody(retbuf);
dzen.cur_line++;
}
}
else {
perror("read"); //TODO (PM) Consolidate error handling
exit(EXIT_FAILURE);
}
return 0;
}
void
drawbody(char * text) {
char *ec;
int i, write_buffer=1;
if(dzen.slave_win.tcnt == -1) {
dzen.slave_win.tcnt = 0;
drawheader(text);
return;
}
if((ec = strstr(text, "^tw()")) && (*(ec-1) != '^')) {
drawheader(ec+5);
return;
}
if(dzen.slave_win.tcnt == dzen.slave_win.tsize)
free_buffer();
write_buffer = parse_non_drawing_commands(text);
if(text[0] == '^' && text[1] == 'c' && text[2] == 's') {
free_buffer();
for(i=0; i < dzen.slave_win.max_lines; i++)
XFillRectangle(dzen.dpy, dzen.slave_win.drawable[i], dzen.rgc, 0, 0, dzen.slave_win.width, dzen.line_height);
x_draw_body();
return;
}
if( write_buffer && (dzen.slave_win.tcnt < dzen.slave_win.tsize) ) {
dzen.slave_win.tbuf[dzen.slave_win.tcnt] = estrdup(text);
dzen.slave_win.tcnt++;
}
}
static void
x_redraw(Window w) {
int i;
if(!dzen.slave_win.ishmenu
&& w == dzen.title_win.win)
drawheader(NULL);
if(!dzen.tsupdate && w == dzen.slave_win.win) {
for(i=0; i < dzen.slave_win.max_lines; i++)
XCopyArea(dzen.dpy, dzen.slave_win.drawable[i], dzen.slave_win.line[i], dzen.gc,
0, 0, dzen.slave_win.width, dzen.line_height, 0, 0);
}
else {
for(i=0; i < dzen.slave_win.max_lines; i++)
if(w == dzen.slave_win.line[i]) {
XCopyArea(dzen.dpy, dzen.slave_win.drawable[i], dzen.slave_win.line[i], dzen.gc,
0, 0, dzen.slave_win.width, dzen.line_height, 0, 0);
}
}
}
