From b920148258ac78d975ded66eebfa8c0c89de3b9b Mon Sep 17 00:00:00 2001
From: Cozz Lovan <cozzlovan@yahoo.com>
Date: Sun, 2 Feb 2014 04:12:30 +0100
Subject: [Qt] Improve single step in bitcoinamountfield

---
 src/qt/bitcoinamountfield.cpp | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

(limited to 'src/qt/bitcoinamountfield.cpp')

diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp
index c1f2f18d45..d452d4aab9 100644
--- a/src/qt/bitcoinamountfield.cpp
+++ b/src/qt/bitcoinamountfield.cpp
@@ -19,12 +19,12 @@ BitcoinAmountField::BitcoinAmountField(QWidget *parent) :
     amount(0),
     currentUnit(-1)
 {
+    nSingleStep = 100000; // satoshis
+
     amount = new QDoubleSpinBox(this);
     amount->setLocale(QLocale::c());
-    amount->setDecimals(8);
     amount->installEventFilter(this);
     amount->setMaximumWidth(170);
-    amount->setSingleStep(0.001);
 
     QHBoxLayout *layout = new QHBoxLayout(this);
     layout->addWidget(amount);
@@ -159,11 +159,7 @@ void BitcoinAmountField::unitChanged(int idx)
     // Set max length after retrieving the value, to prevent truncation
     amount->setDecimals(BitcoinUnits::decimals(currentUnit));
     amount->setMaximum(qPow(10, BitcoinUnits::amountDigits(currentUnit)) - qPow(10, -amount->decimals()));
-
-    if (currentUnit == BitcoinUnits::uBTC)
-        amount->setSingleStep(0.01);
-    else
-        amount->setSingleStep(0.001);
+    amount->setSingleStep((double)nSingleStep / (double)BitcoinUnits::factor(currentUnit));
 
     if (valid)
     {
@@ -182,3 +178,9 @@ void BitcoinAmountField::setDisplayUnit(int newUnit)
 {
     unit->setValue(newUnit);
 }
+
+void BitcoinAmountField::setSingleStep(qint64 step)
+{
+    nSingleStep = step;
+    unitChanged(unit->currentIndex());
+}
-- 
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