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kcontrol: implement basic format validator for locale KCM

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2023-07-30 04:08:50 +03:00
parent c9f049c347
commit 82b381e634
2 changed files with 36 additions and 14 deletions
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48
kcontrol/locale/kcmlocale.cpp
View file

@ -39,6 +39,7 @@ static const int s_defaultbinary = static_cast<int>(KLocale::IECBinaryDialect);
KCMLocale::KCMLocale(QWidget *parent, const QVariantList &args)
: KCModule(KCMLocaleFactory::componentData(), parent, args),
m_layout(nullptr),
m_messagewidget(nullptr),
m_languagelabel(nullptr),
m_languagebox(nullptr),
m_binarylabel(nullptr),
@ -77,9 +78,15 @@ KCMLocale::KCMLocale(QWidget *parent, const QVariantList &args)
m_layout = new QGridLayout(this);
m_messagewidget = new KMessageWidget(this);
m_messagewidget->setMessageType(KMessageWidget::Error);
m_messagewidget->setCloseButtonVisible(false);
m_messagewidget->hide();
m_layout->addWidget(m_messagewidget, 0, 0, 1, 2);
m_languagelabel = new QLabel(this);
m_languagelabel->setText(i18n("Language:"));
m_layout->addWidget(m_languagelabel, 0, 0, s_labelsalignment);
m_layout->addWidget(m_languagelabel, 1, 0, s_labelsalignment);
m_languagebox = new KComboBox(this);
// temporary map to sort by the displayed text
QMap<QString, QString> languagesmap;
@ -118,11 +125,11 @@ KCMLocale::KCMLocale(QWidget *parent, const QVariantList &args)
m_languagebox->setToolTip(languagehelp);
m_languagebox->setWhatsThis(languagehelp);
connect(m_languagebox, SIGNAL(currentIndexChanged(int)), this, SLOT(slotLanguageChanged(int)));
m_layout->addWidget(m_languagebox, 0, 1);
m_layout->addWidget(m_languagebox, 1, 1);
m_binarylabel = new QLabel(this);
m_binarylabel->setText(i18n("Byte size units:"));
m_layout->addWidget(m_binarylabel, 1, 0, s_labelsalignment);
m_layout->addWidget(m_binarylabel, 2, 0, s_labelsalignment);
m_binarybox = new KComboBox(this);
Q_ASSERT(int(KLocale::LastBinaryDialect) == int(KLocale::MetricBinaryDialect));
m_binarybox->addItem(
@ -154,11 +161,11 @@ KCMLocale::KCMLocale(QWidget *parent, const QVariantList &args)
m_binarybox->setToolTip(binaryhelp);
m_binarybox->setWhatsThis(binaryhelp);
connect(m_binarybox, SIGNAL(currentIndexChanged(int)), this, SLOT(slotBinaryChanged(int)));
m_layout->addWidget(m_binarybox, 1, 1);
m_layout->addWidget(m_binarybox, 2, 1);
m_measurelabel = new QLabel(this);
m_measurelabel->setText(i18n("Measurement system:"));
m_layout->addWidget(m_measurelabel, 2, 0, s_labelsalignment);
m_layout->addWidget(m_measurelabel, 3, 0, s_labelsalignment);
m_measurebox = new KComboBox(this);
Q_ASSERT(int(QLocale::MetricSystem) == 0);
Q_ASSERT(int(QLocale::UKSystem) == 2);
@ -178,10 +185,8 @@ KCMLocale::KCMLocale(QWidget *parent, const QVariantList &args)
m_measurebox->setToolTip(measurehelp);
m_measurebox->setWhatsThis(measurehelp);
connect(m_measurebox, SIGNAL(currentIndexChanged(int)), this, SLOT(slotMeasureChanged(int)));
m_layout->addWidget(m_measurebox, 2, 1);
m_layout->addWidget(m_measurebox, 3, 1);
// TODO: validate date and time format, user usually has no clue what to enter and invalid
// format will result in all sorts of bad stuff
const QString datetimehelp = i18n(
"<p>For the format details see the QDateTime documentation.</p>"
);
@ -218,7 +223,7 @@ KCMLocale::KCMLocale(QWidget *parent, const QVariantList &args)
m_datenarrowedit->setWhatsThis(datetimehelp);
connect(m_datenarrowedit, SIGNAL(textChanged(QString)), this, SLOT(slotDateOrTimeChanged(QString)));
datelayout->addWidget(m_datenarrowedit, 2, 1);
m_layout->addWidget(dategroup, 3, 0, 1, 2);
m_layout->addWidget(dategroup, 4, 0, 1, 2);
QGroupBox* timegroup = new QGroupBox(this);
timegroup->setTitle(i18n("Time format"));
@ -251,7 +256,7 @@ KCMLocale::KCMLocale(QWidget *parent, const QVariantList &args)
m_timenarrowedit->setWhatsThis(datetimehelp);
connect(m_timenarrowedit, SIGNAL(textChanged(QString)), this, SLOT(slotDateOrTimeChanged(QString)));
timelayout->addWidget(m_timenarrowedit, 2, 1);
m_layout->addWidget(timegroup, 4, 0, 1, 2);
m_layout->addWidget(timegroup, 5, 0, 1, 2);
QGroupBox* datetimegroup = new QGroupBox(this);
datetimegroup->setTitle(i18n("Date and time format"));
@ -284,14 +289,14 @@ KCMLocale::KCMLocale(QWidget *parent, const QVariantList &args)
m_datetimenarrowedit->setWhatsThis(datetimehelp);
connect(m_datetimenarrowedit, SIGNAL(textChanged(QString)), this, SLOT(slotDateOrTimeChanged(QString)));
datetimelayout->addWidget(m_datetimenarrowedit, 2, 1);
m_layout->addWidget(datetimegroup, 5, 0, 1, 2);
m_layout->addWidget(datetimegroup, 6, 0, 1, 2);
datelayout->setColumnMinimumWidth(0, groupsalignment);
timelayout->setColumnMinimumWidth(0, groupsalignment);
datetimelayout->setColumnMinimumWidth(0, groupsalignment);
m_spacer = new QSpacerItem(1, 1, QSizePolicy::Expanding, QSizePolicy::Expanding);
m_layout->addItem(m_spacer, 6, 1, 2);
m_layout->addItem(m_spacer, 7, 1, 2);
setLayout(m_layout);
}
@ -509,8 +514,23 @@ void KCMLocale::slotMeasureChanged(const int index)
void KCMLocale::slotDateOrTimeChanged(const QString &text)
{
Q_UNUSED(text);
emit changed(true);
// validate date and time format, user usually has no clue what to enter and invalid format
// (such as empty one) will result in all sorts of bad stuff
bool valid = true;
QString message;
if (text.isEmpty()) {
valid = false;
message = i18n("Date/time format cannot be empty");
}
if (!valid) {
m_messagewidget->show();
m_messagewidget->setText(message);
// disallow saving invalid formats
emit changed(false);
} else {
m_messagewidget->hide();
emit changed(true);
}
}
#include "moc_kcmlocale.cpp"

2
kcontrol/locale/kcmlocale.h
View file

@ -20,6 +20,7 @@
#define KCMLOCALE_H
#include <KCModule>
#include <KMessageWidget>
#include <KComboBox>
#include <KLineEdit>
#include <QGridLayout>
@ -51,6 +52,7 @@ private:
void loadLocaleSettings();
QGridLayout* m_layout;
KMessageWidget* m_messagewidget;
QLabel* m_languagelabel;
KComboBox* m_languagebox;
QLabel* m_binarylabel;