debugger: adjust sizes of some well-known columns in some views

src/plugins/debugger/breakwindow.cpp

@@ -310,6 +310,7 @@ bool BreakpointDialog::showDialog(BreakpointParameters *data)
     return true;
 }
 
+
 ///////////////////////////////////////////////////////////////////////
 //
 // BreakWindow
@@ -376,6 +377,14 @@ void BreakWindow::mouseDoubleClickEvent(QMouseEvent *ev)
     QTreeView::mouseDoubleClickEvent(ev);
 }
 
+void BreakWindow::setModel(QAbstractItemModel *model)
+{
+    QTreeView::setModel(model);
+    resizeColumnToContents(0); // Number
+    resizeColumnToContents(3); // Line
+    resizeColumnToContents(6); // Ignore count
+}
+
 void BreakWindow::contextMenuEvent(QContextMenuEvent *ev)
 {
     QMenu menu;