modernize: Use override instead of virtual

[quassel.git] / src / qtui / channellistdlg.cpp

diff --git a/src/qtui/channellistdlg.cpp b/src/qtui/channellistdlg.cpp
index d6dde67..204590e 100644 (file)
--- a/src/qtui/channellistdlg.cpp
+++ b/src/qtui/channellistdlg.cpp
@@ -33,7 +33,7 @@ ChannelListDlg::ChannelListDlg(QWidget *parent)
     _listFinished(true),
     _ircListModel(this),
     _sortFilter(this),
-    _simpleModeSpacer(0),
+    _simpleModeSpacer(nullptr),
     _advancedMode(false)
 {
     _sortFilter.setSourceModel(&_ircListModel);
@@ -100,6 +100,11 @@ void ChannelListDlg::setChannelFilters(const QString &channelFilters)
 
 void ChannelListDlg::requestSearch()
 {
+    if (!_netId.isValid()) {
+        // No valid network set yet
+        return;
+    }
+
     _listFinished = false;
     enableQuery(false);
     showErrors(false);
@@ -146,7 +151,7 @@ void ChannelListDlg::setAdvancedMode(bool advanced)
         if (_simpleModeSpacer) {
             ui.searchLayout->removeItem(_simpleModeSpacer);
             delete _simpleModeSpacer;
-            _simpleModeSpacer = 0;
+            _simpleModeSpacer = nullptr;
         }
         ui.advancedModeLabel->setPixmap(icon::get("edit-clear-locationbar-rtl").pixmap(16));
     }