Changeset 4323 in vbox for trunk/src

Timestamp:

Aug 23, 2007 6:58:03 PM (17 years ago)

Author:

vboxsync

Message:

FE/Qt: Added QIULongValidator.

Location:

trunk/src/VBox/Frontends/VirtualBox

Files:

• include/QIWidgetValidator.h (modified) (2 diffs)
• src/QIWidgetValidator.cpp (modified) (1 diff)

trunk/src/VBox/Frontends/VirtualBox/include/QIWidgetValidator.h

@@ -20 +20 @@
 #define __QIWidgetValidator_h__
 
+#include <limits.h>
+
 #include <qobject.h>
+#include <qvalidator.h>
 
 class QIWidgetValidator : public QObject
@@ -52 +55 @@
 };
 
+class QIULongValidator : public QValidator
+{
+public:
+
+    QIULongValidator (QObject *aParent, const char *aName = 0)
+        : mBottom (0), mTop (ULONG_MAX)
+        , QValidator (aParent, aName) {}
+
+    QIULongValidator (ulong aMinimum, ulong aMaximum,
+                      QObject *aParent, const char *aName = 0)
+        : mBottom (aMinimum), mTop (aMaximum)
+        , QValidator (aParent, aName) {}
+
+    ~QIULongValidator() {}
+
+    State validate (QString &aInput, int &aPos) const;
+    void setBottom (ulong aBottom) { setRange (aBottom, mTop); }
+    void setTop (ulong aTop) { setRange (mBottom, aTop); }
+    void setRange (ulong aBottom, ulong aTop) { mBottom = aBottom; mTop = aTop; }
+    ulong bottom() const { return mBottom; }
+    ulong top() const { return mTop; }
+
+private:
+
+    ulong mBottom;
+    ulong mTop;
+};
+
 #endif // __QIWidgetValidator_h__

trunk/src/VBox/Frontends/VirtualBox/src/QIWidgetValidator.cpp

@@ -233 +233 @@
  */
 
+
+/** @class QIULongValidator
+ *
+ *  The QIULongValidator class is a QIntValidator-like class to validate
+ *  unsigned integer numbers. As opposed to QIntValidator, this class accepts
+ *  all three integer number formats: decimal, hexadecimal (the string starts
+ *  with "0x") and octal (the string starts with "0").
+ */
+
+QValidator::State QIULongValidator::validate (QString &aInput, int &aPos) const
+{
+    Q_UNUSED (aPos);
+
+    QString stripped = aInput.stripWhiteSpace();
+
+    if (stripped.isEmpty() ||
+        stripped.upper() == QString ("0x").upper())
+        return Intermediate;
+
+    bool ok;
+    ulong entered = aInput.toULong (&ok, 0);
+
+    if (!ok)
+        return Invalid;
+
+    if (entered >= mBottom && entered <= mTop)
+        return Acceptable;
+
+    return (entered > mTop ) ? Invalid : Intermediate;
+}