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Merge commit '7298ebb'

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This commit is contained in:
Gavin Andresen
2011-12-12 15:03:16 -05:00
parent 1d8b4cd544 7298ebb432
commit 5491c310a6
3 changed files with 71 additions and 2 deletions
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53
src/qt/askpassphrasedialog.cpp
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@@ -6,17 +6,25 @@
#include <QMessageBox>
#include <QPushButton>
#include <QKeyEvent>
AskPassphraseDialog::AskPassphraseDialog(Mode mode, QWidget *parent) :
QDialog(parent),
ui(new Ui::AskPassphraseDialog),
mode(mode),
model(0)
model(0),
fCapsLock(false)
{
ui->setupUi(this);
ui->passEdit1->setMaxLength(MAX_PASSPHRASE_SIZE);
ui->passEdit2->setMaxLength(MAX_PASSPHRASE_SIZE);
ui->passEdit3->setMaxLength(MAX_PASSPHRASE_SIZE);
// Setup Caps Lock detection.
ui->passEdit1->installEventFilter(this);
ui->passEdit2->installEventFilter(this);
ui->passEdit3->installEventFilter(this);
ui->capsLabel->clear();
switch(mode)
{
@@ -188,3 +196,46 @@ void AskPassphraseDialog::textChanged()
}
ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(acceptable);
}
bool AskPassphraseDialog::event(QEvent *event)
{
// Detect Caps Lock key press.
if (event->type() == QEvent::KeyPress) {
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
if (ke->key() == Qt::Key_CapsLock) {
fCapsLock = !fCapsLock;
}
if (fCapsLock) {
ui->capsLabel->setText(tr("Warning: The Caps Lock key is on."));
} else {
ui->capsLabel->clear();
}
}
return QWidget::event(event);
}
bool AskPassphraseDialog::eventFilter(QObject *, QEvent *event)
{
/* Detect Caps Lock.
* There is no good OS-independent way to check a key state in Qt, but we
* can detect Caps Lock by checking for the following condition:
* Shift key is down and the result is a lower case character, or
* Shift key is not down and the result is an upper case character.
*/
if (event->type() == QEvent::KeyPress) {
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
QString str = ke->text();
if (str.length() != 0) {
const QChar *psz = str.unicode();
bool fShift = (ke->modifiers() & Qt::ShiftModifier) != 0;
if ((fShift && psz->isLower()) || (!fShift && psz->isUpper())) {
fCapsLock = true;
ui->capsLabel->setText(tr("Warning: The Caps Lock key is on."));
} else if (psz->isLetter()) {
fCapsLock = false;
ui->capsLabel->clear();
}
}
}
return false;
}