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-rw-r--r--src/pacman/callback.c49
1 files changed, 33 insertions, 16 deletions
diff --git a/src/pacman/callback.c b/src/pacman/callback.c
index 5865550e..629c2e1c 100644
--- a/src/pacman/callback.c
+++ b/src/pacman/callback.c
@@ -328,8 +328,11 @@ void cb_trans_progress(pmtransprog_t event, const char *pkgname, int percent,
/* size of line to allocate for text printing (e.g. not progressbar) */
const int infolen = 50;
- int tmp, digits, oprlen, textlen, remainlen;
+ int tmp, digits, textlen;
char *opr = NULL;
+ /* used for wide character width determination and printing */
+ int len, wclen, wcwid, padwid;
+ wchar_t *wcstr;
if(config->noprogressbar) {
return;
@@ -378,27 +381,41 @@ void cb_trans_progress(pmtransprog_t event, const char *pkgname, int percent,
while((tmp /= 10)) {
++digits;
}
-
/* determine room left for non-digits text [not ( 1/12) part] */
textlen = infolen - 3 - (2 * digits);
- oprlen = mbstowcs(NULL, opr, 0);
- /* room left (eg for package name) */
- remainlen = textlen - oprlen - 1;
+ /* In order to deal with characters from all locales, we have to worry
+ * about wide characters and their column widths. A lot of stuff is
+ * done here to figure out the actual number of screen columns used
+ * by the output, and then pad it accordingly so we fill the terminal.
+ */
+ /* len = opr len + pkgname len (if available) + space + null */
+ len = strlen(opr) + ((pkgname) ? strlen(pkgname) : 0) + 2;
+ wcstr = calloc(len, sizeof(wchar_t));
+ /* print our strings to the alloc'ed memory */
+ wclen = swprintf(wcstr, len, L"%s %s", opr, pkgname);
+ wcwid = wcswidth(wcstr, wclen);
+ padwid = textlen - wcwid;
+ /* if padwid is < 0, we need to trim the string so padwid = 0 */
+ if(padwid < 0) {
+ int i = textlen - 3;
+ wchar_t *p = wcstr;
+ /* grab the max number of char columns we can fill */
+ while(i > 0 && wcwidth(*p) < i) {
+ i -= wcwidth(*p);
+ p++;
+ }
+ /* then add the ellipsis and fill out any extra padding */
+ wcscpy(p, L"...");
+ padwid = i;
- switch (event) {
- case PM_TRANS_PROGRESS_ADD_START:
- case PM_TRANS_PROGRESS_UPGRADE_START:
- case PM_TRANS_PROGRESS_REMOVE_START:
- printf("(%*d/%*d) %s %-*.*s", digits, remain, digits, howmany,
- opr, remainlen, remainlen, pkgname);
- break;
- case PM_TRANS_PROGRESS_CONFLICTS_START:
- printf("(%*d/%*d) %s %-*s", digits, remain, digits, howmany,
- opr, remainlen, "");
- break;
}
+ printf("(%*d/%*d) %ls%-*s", digits, remain, digits, howmany,
+ wcstr, padwid, "");
+
+ free(wcstr);
+
/* call refactored fill progress function */
fill_progress(percent, percent, getcols() - infolen);