在这部分代码我想插入空白打印:打印水平空白
(“tvtime_osd_list_set_multitext”删除前导空格)
线:
snprintf(buf, buf_length, " %s %s", end_time, xmltv_get_next_title(xmltv) ? xmltv_get_next_title(xmltv) : "");
tvtime_osd_list_set_multitext(osd, cur++, buf, 1);
代码:
int epg_show_nowandnext(tvtime_osd_t* osd, int page, station_mgr_t *stationmgr, xmltv_t *xmltv)
{
if (!page)
return 0;
if (xmltv){
const int buf_length = 255;
const int max_num_lines = 15;
const int num_station_per_page = max_num_lines/3;
const int num_stations = station_get_num_stations(stationmgr);
char *old_channel = strdup(xmltv_get_channel(xmltv));
char buf[buf_length+1];
int i, count, cur = 0;
/* List Header */
snprintf(buf, buf_length, "Now showing and next on (%d/%d):", page, num_stations/num_station_per_page);
tvtime_osd_list_set_text(osd, cur++, buf);
tvtime_osd_list_set_hilight(osd, -1);
for (i = (page-1) * num_station_per_page, count = 0; (i < num_stations) && (count < num_station_per_page); i++, count++) {
const char *xmltv_id = 0;
if (!(xmltv_id = station_get_xmltv_id(stationmgr, i)))
xmltv_id = xmltv_lookup_channel(xmltv, station_get_name(stationmgr, i));
xmltv_set_channel(xmltv, xmltv_id);
xmltv_refresh(xmltv);
/* Channel number + name */
snprintf(buf, buf_length, "[%s] %s:", station_get_channel(stationmgr,i), station_get_name(stationmgr, i));
tvtime_osd_list_set_multitext(osd, cur++, buf, 1);
if (xmltv_get_title(xmltv)) {
char start_time[50];
char end_time[50];
time_t start_timestamp = xmltv_get_start_time(xmltv);
time_t end_timestamp = xmltv_get_end_time(xmltv);
strftime(start_time, 50, "%H:%M", localtime(&start_timestamp));
strftime(end_time, 50, "%H:%M", localtime(&end_timestamp));
/* Highlight if current channel */
if (station_get_current_id(stationmgr) == i+1)
tvtime_osd_list_set_hilight(osd, cur-1);
/* starttime of current program + Now showing program */
snprintf(buf, buf_length, " %s %s", start_time, xmltv_get_title(xmltv));
if (xmltv_get_sub_title(xmltv)){
strncat(buf," (",buf_length-strlen(buf));
strncat(buf,xmltv_get_sub_title(xmltv),buf_length-strlen(buf));
strncat(buf,")",buf_length-strlen(buf));
}
tvtime_osd_list_set_multitext(osd, cur++, buf, 1);
/* endtime of current programme + Next program */
snprintf(buf, buf_length, " %s %s", end_time, xmltv_get_next_title(xmltv) ? xmltv_get_next_title(xmltv) : "");
tvtime_osd_list_set_multitext(osd, cur++, buf, 1);
} else {
/* No program information available for this channel */
tvtime_osd_list_set_text(osd, cur++, "");
tvtime_osd_list_set_text(osd, cur++, "");
}
}
tvtime_osd_list_set_lines(osd, cur);
tvtime_osd_show_list(osd, 1, 1);
xmltv_set_channel(xmltv, old_channel);
free(old_channel);
xmltv_refresh(xmltv);
if (cur > 1){
return page;
} else {
return 0;
}
} else {
tvtime_osd_list_set_text(osd, 0, "No program information available");
tvtime_osd_list_set_lines(osd, 1);
tvtime_osd_show_list(osd, 1, 1);
return !page;
}
}
此打印按照如下格式:
[05] TV5MONDE:
09:30 La Grange De Meslay Festival:Pavel Haas Quartet
10:00 TV5Monde Le Journal
[06] RAI UNO
我想打印格式水平空白:
[05] TV5MONDE:
09:30 La Grange De Meslay Festival:Pavel Haas Quartet
10:00 TV5Monde Le Journal
[06] RAI UNO
我在代码中把 '*'
/* showing now + next showing */
snprintf(buf, buf_length, "* %s %s", end_time, xmltv_get_next_title(xmltv) ? xmltv_get_next_title(xmltv) : "");
tvtime_osd_list_set_multitext(osd, cur++, buf, 1);
输出结果(丑对我来说):
[05] TV5MONDE:
* 09:30 La Grange De Meslay Festival:Pavel Haas Quartet
* 10:00 TV5Monde Le Journal
[06] RAI UNO
开个玩笑,如何让char'*'隐形?
是有可能,空白是以上行? – 2012-01-14 09:47:56
请提供一个可显示问题的最小可编译示例。 – celtschk 2012-01-14 09:50:58
是的,是上面的行上的空格。 – user1148015 2012-01-14 11:56:24