preparations for multiple unit (uBTC, mBTC, BTC) support, fix amount entry issue

[novacoin.git] / src / qt / bitcoinamountfield.cpp

diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp
index e475441..330a7bf 100644 (file)
--- a/src/qt/bitcoinamountfield.cpp
+++ b/src/qt/bitcoinamountfield.cpp
@@ -1,4 +1,6 @@
 #include "bitcoinamountfield.h"
+#include "qvalidatedlineedit.h"
+#include "bitcoinunits.h"
 
 #include <QLabel>
 #include <QLineEdit>
@@ -9,12 +11,12 @@
 BitcoinAmountField::BitcoinAmountField(QWidget *parent):
         QWidget(parent), amount(0), decimals(0)
 {
-    amount = new QLineEdit(this);
-    amount->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
+    amount = new QValidatedLineEdit(this);
+    amount->setValidator(new QRegExpValidator(QRegExp("[0-9]*"), this));
     amount->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
     amount->installEventFilter(this);
-    amount->setMaximumWidth(80);
-    decimals = new QLineEdit(this);
+    amount->setMaximumWidth(100);
+    decimals = new QValidatedLineEdit(this);
     decimals->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
     decimals->setMaxLength(8);
     decimals->setAlignment(Qt::AlignLeft|Qt::AlignVCenter);
@@ -25,10 +27,13 @@ BitcoinAmountField::BitcoinAmountField(QWidget *parent):
     layout->addWidget(amount);
     layout->addWidget(new QLabel(QString(".")));
     layout->addWidget(decimals);
+    layout->addWidget(new QLabel(QString(" ") + BitcoinUnits::name(BitcoinUnits::BTC)));
     layout->addStretch(1);
+    layout->setContentsMargins(0,0,0,0);
 
-    setFocusPolicy(Qt::TabFocus);
     setLayout(layout);
+
+    setFocusPolicy(Qt::TabFocus);
     setFocusProxy(amount);
 
     // If one if the widgets changes, the combined content changes as well
@@ -44,10 +49,43 @@ void BitcoinAmountField::setText(const QString &text)
         amount->setText(parts[0]);
         decimals->setText(parts[1]);
     }
+    else
+    {
+        amount->setText(QString());
+        decimals->setText(QString());
+    }
+}
+
+void BitcoinAmountField::clear()
+{
+    amount->clear();
+    decimals->clear();
+}
+
+bool BitcoinAmountField::validate()
+{
+    bool valid = true;
+    if(decimals->text().isEmpty())
+    {
+        decimals->setValid(false);
+        valid = false;
+    }
+    if(!BitcoinUnits::parse(BitcoinUnits::BTC, text(), 0))
+    {
+        amount->setValid(false);
+        decimals->setValid(false);
+        valid = false;
+    }
+
+    return valid;
 }
 
 QString BitcoinAmountField::text() const
 {
+    if(decimals->text().isEmpty())
+    {
+        return QString();
+    }
     return amount->text() + QString(".") + decimals->text();
 }
 
@@ -61,7 +99,15 @@ bool BitcoinAmountField::eventFilter(QObject *object, QEvent *event)
         if(keyEvent->key() == Qt::Key_Period || keyEvent->key() == Qt::Key_Comma)
         {
             decimals->setFocus();
+            decimals->selectAll();
         }
     }
     return false;
 }
+
+QWidget *BitcoinAmountField::setupTabChain(QWidget *prev)
+{
+    QWidget::setTabOrder(prev, amount);
+    QWidget::setTabOrder(amount, decimals);
+    return decimals;
+}