From 04b4f36da969896e3d331f5e13b41be32be55a05 Mon Sep 17 00:00:00 2001
From: parax0 <parax0@github.com>
Date: Sat, 22 Aug 2015 09:43:42 -0400
Subject: [PATCH] Spin boxes now trim trailing zeroes

---
 UI/CWorldEditor.ui       |  6 ++---
 UI/WDraggableSpinBox.cpp | 55 ++++++++++++++++++++++++++++++++++++++++
 UI/WDraggableSpinBox.h   |  5 ++++
 3 files changed, 63 insertions(+), 3 deletions(-)

diff --git a/UI/CWorldEditor.ui b/UI/CWorldEditor.ui
index 40935ee2..613d16d2 100644
--- a/UI/CWorldEditor.ui
+++ b/UI/CWorldEditor.ui
@@ -142,7 +142,7 @@
          </property>
          <property name="minimumSize">
           <size>
-           <width>70</width>
+           <width>78</width>
            <height>0</height>
           </size>
          </property>
@@ -195,7 +195,7 @@
          </property>
          <property name="minimumSize">
           <size>
-           <width>60</width>
+           <width>78</width>
            <height>0</height>
           </size>
          </property>
@@ -248,7 +248,7 @@
          </property>
          <property name="minimumSize">
           <size>
-           <width>60</width>
+           <width>78</width>
            <height>0</height>
           </size>
          </property>
diff --git a/UI/WDraggableSpinBox.cpp b/UI/WDraggableSpinBox.cpp
index 453242a4..697f2029 100644
--- a/UI/WDraggableSpinBox.cpp
+++ b/UI/WDraggableSpinBox.cpp
@@ -8,6 +8,8 @@ WDraggableSpinBox::WDraggableSpinBox(QWidget *parent) : QDoubleSpinBox(parent)
 {
     mBeingDragged = false;
     mDefaultValue = 0;
+    mMinDecimals = 1;
+    mTrimTrailingZeroes = true;
     setMinimum(-1000000.0);
     setMaximum(1000000.0);
     lineEdit()->installEventFilter(this);
@@ -93,7 +95,60 @@ bool WDraggableSpinBox::eventFilter(QObject *, QEvent *pEvent)
     return false;
 }
 
+QString WDraggableSpinBox::textFromValue(double val) const
+{
+    QString str = QString::number(val, 'f', decimals());
+    int decIndex = str.indexOf('.');
+    int numDecs;
+
+    if (decIndex == -1)
+        numDecs = 0;
+    else
+        numDecs = str.size() - decIndex - 1;
+
+    if (numDecs < mMinDecimals)
+    {
+        int size = str.size() + mMinDecimals + 1;
+        str.reserve(size);
+
+        str += '.';
+
+        for (int iDec = 0; iDec < mMinDecimals; iDec++)
+            str += '0';
+    }
+
+    else if ((numDecs > mMinDecimals) && mTrimTrailingZeroes)
+    {
+        while (numDecs > mMinDecimals)
+        {
+            if (str.endsWith('0')) {
+                str.chop(1);
+                numDecs--;
+            }
+
+            else if (str.endsWith('.')) {
+                str.chop(1);
+                break;
+            }
+
+            else break;
+        }
+    }
+
+    return str;
+}
+
 void WDraggableSpinBox::SetDefaultValue(double value)
 {
     mDefaultValue = value;
 }
+
+void WDraggableSpinBox::SetMinDecimals(int dec)
+{
+    mMinDecimals = dec;
+}
+
+void WDraggableSpinBox::TrimTrailingZeroes(bool trim)
+{
+    mTrimTrailingZeroes = trim;
+}
diff --git a/UI/WDraggableSpinBox.h b/UI/WDraggableSpinBox.h
index e51a8e50..ee9b017d 100644
--- a/UI/WDraggableSpinBox.h
+++ b/UI/WDraggableSpinBox.h
@@ -10,6 +10,8 @@ class WDraggableSpinBox : public QDoubleSpinBox
     bool mBeenDragged;
     double mDefaultValue;
     int mLastY;
+    int mMinDecimals;
+    bool mTrimTrailingZeroes;
 
 public:
     explicit WDraggableSpinBox(QWidget *parent = 0);
@@ -19,7 +21,10 @@ public:
     void mouseMoveEvent(QMouseEvent *pEvent);
     void wheelEvent(QWheelEvent *pEvent);
     bool eventFilter(QObject *pObj, QEvent *pEvent);
+    QString textFromValue(double val) const;
     void SetDefaultValue(double value);
+    void SetMinDecimals(int dec);
+    void TrimTrailingZeroes(bool trim);
 };
 
 #endif // WDRAGGABLESPINBOX_H