Debugger: Remove direct entering new watchers in the treeview

Instead pop up the "Add new expression dialog". Same amount of activity
needed, but more uniform in UI and code and hopefully less confusion
about the now-gone <Edit> marker.

Change-Id: I228801dc51f6d09ea9991b98399dc9ef04aa96c8
Reviewed-by: Christian Stenger <christian.stenger@digia.com>

share/qtcreator/debugger/dumper.py

@@ -1502,20 +1502,15 @@ class DumperBase:
             self.put('iname="%s",' % iname)
             self.put('name="%s",' % exp)
             self.put('wname="%s",' % escapedExp)
-            if len(exp) == 0: # The <Edit> case
-                self.putValue(" ")
-                self.putNoType()
+            try:
+                value = self.parseAndEvaluate(exp)
+                self.putItem(value)
+            except RuntimeError:
+                self.currentType.value = " "
+                self.currentValue.value = "<no such value>"
+                self.currentChildNumChild = -1
+                self.currentNumChild = 0
                 self.putNumChild(0)
-            else:
-                try:
-                    value = self.parseAndEvaluate(exp)
-                    self.putItem(value)
-                except RuntimeError:
-                    self.currentType.value = " "
-                    self.currentValue.value = "<no such value>"
-                    self.currentChildNumChild = -1
-                    self.currentNumChild = 0
-                    self.putNumChild(0)
 
 
 # Some "Enums"

src/plugins/debugger/watchhandler.cpp

@@ -684,8 +684,6 @@ static QString quoteUnprintable(const QString &str)
 static QString translate(const QString &str)
 {
     if (str.startsWith(QLatin1Char('<'))) {
-        if (str == QLatin1String("<Edit>"))
-            return WatchHandler::tr("<Edit>");
         if (str == QLatin1String("<empty>"))
             return WatchHandler::tr("<empty>");
         if (str == QLatin1String("<uninitialized>"))
@@ -1063,9 +1061,7 @@ static QString expression(const WatchItem *item)
 QString WatchModel::displayName(const WatchItem *item) const
 {
     QString result;
-    if (item->parent == m_watchRoot && item->name.isEmpty())
-        result = tr("<Edit>");
-    else if (item->parent == m_returnRoot)
+    if (item->parent == m_returnRoot)
         result = tr("returned value");
     else if (item->name == QLatin1String("*"))
         result = QLatin1Char('*') + item->parent->name;

src/plugins/debugger/watchwindow.cpp

@@ -554,8 +554,7 @@ void WatchTreeView::mouseDoubleClickEvent(QMouseEvent *ev)
 {
     const QModelIndex idx = indexAt(ev->pos());
     if (!idx.isValid()) {
-        // The "<Edit>" case.
-        watchExpression(QString());
+        inputNewExpression();
         return;
     }
     BaseTreeView::mouseDoubleClickEvent(ev);
@@ -921,12 +920,7 @@ void WatchTreeView::contextMenuEvent(QContextMenuEvent *ev)
     if (!act) {
         ;
     } else if (act == &actInsertNewWatchItem) {
-        bool ok;
-        QString newExp = QInputDialog::getText(this, tr("Enter Expression for Evaluator"),
-                                   tr("Expression:"), QLineEdit::Normal,
-                                   QString(), &ok);
-        if (ok && !newExp.isEmpty())
-            watchExpression(newExp);
+        inputNewExpression();
     } else if (act == &actOpenMemoryEditAtObjectAddress) {
         addVariableMemoryView(currentEngine(), false, mi0, false, ev->globalPos(), this);
     } else if (act == &actOpenMemoryEditAtPointerAddress) {
@@ -1090,5 +1084,15 @@ void WatchTreeView::setModelData
     model()->setData(index, value, role);
 }
 
+void WatchTreeView::inputNewExpression()
+{
+    bool ok;
+    QString exp = QInputDialog::getText(this, tr("Enter Expression for Evaluator"),
+                                        tr("Expression:"), QLineEdit::Normal,
+                                        QString(), &ok);
+    if (ok && !exp.isEmpty())
+        watchExpression(exp, exp);
+}
+
 } // namespace Internal
 } // namespace Debugger

src/plugins/debugger/watchwindow.h

@@ -89,6 +89,7 @@ private:
     bool event(QEvent *ev);
     void currentChanged(const QModelIndex &current, const QModelIndex &previous);
 
+    void inputNewExpression();
     void editItem(const QModelIndex &idx);
     void resetHelper(const QModelIndex &idx);