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NumberFormat: add floating-point precision support

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- Simplify code in AboutSystem
- Make error string translatable in Locale preflet

Change-Id: I3b967ee04d764ec1bcf0fa40e40dae8da4a35c20
Reviewed-on: https://review.haiku-os.org/c/haiku/+/7373
Reviewed-by: waddlesplash <[email protected]>
This commit is contained in:
Emir SARI
2024-02-27 19:27:56 +00:00
committed by waddlesplash
parent 1701b7b537
commit e523bfeb06
4 changed files with 48 additions and 24 deletions
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headers/os/locale/NumberFormat.h
+9 -12
View File
@@ -14,6 +14,7 @@ enum BNumberElement {
B_GROUPING_SEPARATOR,
};
class BNumberFormatImpl;
@@ -23,22 +24,18 @@ public:
BNumberFormat(const BLocale* locale);
~BNumberFormat();
ssize_t Format(char* string, size_t maxSize,
const double value);
ssize_t Format(char* string, size_t maxSize, const double value);
status_t Format(BString& string, const double value);
ssize_t Format(char* string, size_t maxSize,
const int32 value);
ssize_t Format(char* string, size_t maxSize, const int32 value);
status_t Format(BString& string, const int32 value);
ssize_t FormatMonetary(char* string, size_t maxSize,
const double value);
status_t FormatMonetary(BString& string,
const double value);
status_t SetPrecision(int precision);
ssize_t FormatPercent(char* string, size_t maxSize,
const double value);
status_t FormatPercent(BString& string,
const double value);
ssize_t FormatMonetary(char* string, size_t maxSize, const double value);
status_t FormatMonetary(BString& string, const double value);
ssize_t FormatPercent(char* string, size_t maxSize, const double value);
status_t FormatPercent(BString& string, const double value);
status_t Parse(const BString& string, double& value);
src/apps/aboutsystem/AboutSystem.cpp
+8 -5
View File
@@ -1189,12 +1189,15 @@ SysInfoView::_GetRamUsage(system_info* sysInfo)
BString ramUsage;
BString data;
double usedMemoryPercent = double(sysInfo->used_pages) / sysInfo->max_pages;
status_t status = fNumberFormat.FormatPercent(data, usedMemoryPercent);
if (fNumberFormat.FormatPercent(data, usedMemoryPercent) != B_OK)
data.SetToFormat("%d%%", (int)(100 * usedMemoryPercent));
ramUsage.SetToFormat(B_TRANSLATE_COMMENT("%d MiB used (%s)",
"326 MiB used (16%)"), used_pages(sysInfo), data.String());
if (status == B_OK) {
ramUsage.SetToFormat(B_TRANSLATE_COMMENT("%d MiB used (%s)",
"326 MiB used (16%)"), used_pages(sysInfo), data.String());
} else {
ramUsage.SetToFormat(B_TRANSLATE_COMMENT("%d MiB used (%d%%)",
"326 MiB used (16%)"), used_pages(sysInfo), (int)(100 * usedMemoryPercent));
}
return ramUsage;
}
src/kits/locale/NumberFormat.cpp
+23
View File
@@ -278,6 +278,29 @@ BNumberFormat::Format(BString& string, const int32 value)
}
status_t
BNumberFormat::SetPrecision(int precision)
{
NumberFormat* decimalFormatter = fPrivateData->GetFloat(&fConventions);
NumberFormat* currencyFormatter = fPrivateData->GetCurrency(&fConventions);
NumberFormat* percentFormatter = fPrivateData->GetPercent(&fConventions);
if ((decimalFormatter == NULL) || (currencyFormatter == NULL) || (percentFormatter == NULL))
return B_ERROR;
decimalFormatter->setMinimumFractionDigits(precision);
decimalFormatter->setMaximumFractionDigits(precision);
currencyFormatter->setMinimumFractionDigits(precision);
currencyFormatter->setMaximumFractionDigits(precision);
percentFormatter->setMinimumFractionDigits(precision);
percentFormatter->setMaximumFractionDigits(precision);
return B_OK;
}
ssize_t
BNumberFormat::FormatMonetary(char* string, size_t maxSize, const double value)
{
src/preferences/locale/FormatSettingsView.cpp
+8 -7
View File
@@ -378,8 +378,9 @@ FormatSettingsView::_UpdateExamples()
// Do NOT make these class members. We do want to recreate it everytime, as
// to get the updated settings from the locale roster.
BDateFormat dateFormat;
BTimeFormat timeFormat;
BNumberFormat numberFormat;
BString errorString = B_TRANSLATE("ERROR");
BTimeFormat timeFormat;
dateFormat.Format(result, timeValue, B_FULL_DATE_FORMAT);
fFullDateExampleView->SetText(result);
@@ -405,27 +406,27 @@ FormatSettingsView::_UpdateExamples()
timeFormat.Format(result, timeValue, B_SHORT_TIME_FORMAT);
fShortTimeExampleView->SetText(result);
status_t status = numberFormat.Format(result, 1234.5678);
status_t status = numberFormat.Format(result, 1234.56);
if (status == B_OK)
fPositiveNumberExampleView->SetText(result);
else
fPositiveNumberExampleView->SetText("ERROR");
fPositiveNumberExampleView->SetText(errorString);
status = numberFormat.Format(result, -1234.5678);
status = numberFormat.Format(result, -1234.56);
if (status == B_OK)
fNegativeNumberExampleView->SetText(result);
else
fNegativeNumberExampleView->SetText("ERROR");
fNegativeNumberExampleView->SetText(errorString);
status = numberFormat.FormatMonetary(result, 1234.56);
if (status == B_OK)
fPositiveMonetaryExampleView->SetText(result);
else
fPositiveMonetaryExampleView->SetText("ERROR");
fPositiveMonetaryExampleView->SetText(errorString);
status = numberFormat.FormatMonetary(result, -1234.56);
if (status == B_OK)
fNegativeMonetaryExampleView->SetText(result);
else
fNegativeMonetaryExampleView->SetText("ERROR");
fNegativeMonetaryExampleView->SetText(errorString);
}