Diffstat (limited to 'noncore/apps/opie-reader/util.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/apps/opie-reader/util.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/noncore/apps/opie-reader/util.cpp b/noncore/apps/opie-reader/util.cpp new file mode 100644 index 0000000..a736f8b --- a/dev/null +++ b/noncore/apps/opie-reader/util.cpp | |||
@@ -0,0 +1,36 @@ | |||
1 | #include "util.h" | ||
2 | |||
3 | QString filesize(unsigned long l) | ||
4 | { | ||
5 | char units[] = { 'K', 'M', 'G' }; | ||
6 | int iu = 0; | ||
7 | while (l > 999 && iu < sizeof(units)) | ||
8 | { | ||
9 | l = (l+512)/1024; | ||
10 | iu++; | ||
11 | } | ||
12 | QString ret = QString::number(l); | ||
13 | if (iu != 0) | ||
14 | { | ||
15 | ret += QChar(units[iu-1]); | ||
16 | } | ||
17 | return ret; | ||
18 | } | ||
19 | |||
20 | QString percent(unsigned long pos, unsigned long len) | ||
21 | { | ||
22 | unsigned long permil = 0; | ||
23 | if (len != 0) | ||
24 | { | ||
25 | permil = (1000*pos+len/2)/len; | ||
26 | } | ||
27 | unsigned long percen = permil/10; | ||
28 | unsigned long frac = permil - 10*percen; | ||
29 | return QString::number(percen) + "." + QString::number(frac); | ||
30 | } | ||
31 | |||
32 | QString fmt(unsigned long pos, unsigned long len) | ||
33 | { | ||
34 | QString ret = filesize(pos) + "/" + filesize(len) + " : " + percent(pos,len) +"%"; | ||
35 | return ret; | ||
36 | } | ||