Debugger: Rework display length limitation systems

There are two values now, one to limit an entry in the L&E view
(default 100) and a hard upper limit (at 1 mio).

If displayed values are elided, the true length is shown in addition.

Change-Id: I180b70446c18e258c164e5af75b88d4c8b6c53f2
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/debugger/watchdata.cpp

@@ -126,6 +126,7 @@ WatchData::WatchData() :
     size(0),
     bitpos(0),
     bitsize(0),
+    elided(0),
     hasChildren(false),
     valueEnabled(true),
     valueEditable(true),
@@ -142,12 +143,12 @@ bool WatchData::isEqual(const WatchData &other) const
       && name == other.name
       && value == other.value
       && editvalue == other.editvalue
-      && valuetooltip == other.valuetooltip
       && type == other.type
       && displayedType == other.displayedType
       && variable == other.variable
       && address == other.address
       && size == other.size
+      && elided == other.elided
       && hasChildren == other.hasChildren
       && valueEnabled == other.valueEnabled
       && valueEditable == other.valueEditable
@@ -312,6 +313,9 @@ QString WatchData::toString() const
     if (isValueKnown() && !value.isEmpty())
         str << "value=\"" << value << doubleQuoteComma;
 
+    if (elided)
+        str << "valueelided=\"" << elided << doubleQuoteComma;
+
     if (!editvalue.isEmpty())
         str << "editvalue=\"<...>\",";
     //    str << "editvalue=\"" << editvalue << doubleQuoteComma;
@@ -382,7 +386,7 @@ QString WatchData::toToolTip() const
     formatToolTipRow(str, tr("Internal Type"), QLatin1String(type));
     if (!displayedType.isEmpty())
         formatToolTipRow(str, tr("Displayed Type"), displayedType);
-    QString val = valuetooltip.isEmpty() ? value : valuetooltip;
+    QString val = value;
     // Automatically display hex value for unsigned integers.
     if (!val.isEmpty() && val.at(0).isDigit() && isIntType(type)) {
         bool ok;
@@ -458,13 +462,6 @@ void WatchData::updateValue(const GdbMi &item)
     }
 }
 
-void setWatchDataValueToolTip(WatchData &data, const GdbMi &mi,
-    int encoding)
-{
-    if (mi.isValid())
-        data.valuetooltip = decodeData(mi.data(), encoding);
-}
-
 void WatchData::updateChildCount(const GdbMi &mi)
 {
     if (mi.isValid())
@@ -629,6 +626,10 @@ void parseWatchData(const QSet<QByteArray> &expandedINames,
     if (mi.isValid())
         data.typeFormats = QString::fromUtf8(mi.data());
 
+    mi = item["valueelided"];
+    if (mi.isValid())
+        data.elided = mi.toInt();
+
     mi = item["bitpos"];
     if (mi.isValid())
         data.bitpos = mi.toInt();