editor: Don't call methods from null pointers

Also don't assume data that isn't there anymore.
Fixes #1766

2 files changed, 14 insertions, 0 deletions

diff --git a/src/kvirc/ui/KviMaskEditor.cpp b/src/kvirc/ui/KviMaskEditor.cpp
index 6b1fedba8..7d92ca3c7 100644
--- a/src/kvirc/ui/KviMaskEditor.cpp
+++ b/src/kvirc/ui/KviMaskEditor.cpp
@@ -214,6 +214,13 @@ KviMaskEditor::KviMaskEditor(QWidget * par,KviChannelWindow * pChannel,KviWindow
 
 	g->setColumnStretch(1,1);
 
+	if(!m_pChannel->connection())
+	{
+		m_pRemoveMask->setEnabled(false);
+		m_pAddButton->setEnabled(false);
+		return;
+	}
+
 	for(KviMaskEntry * e = maskList->first();e;e = maskList->next()) addMask(e);
 
 	updateOpStatus();
diff --git a/src/kvirc/ui/KviModeEditor.cpp b/src/kvirc/ui/KviModeEditor.cpp
index e3488799c..a6bb7266f 100644
--- a/src/kvirc/ui/KviModeEditor.cpp
+++ b/src/kvirc/ui/KviModeEditor.cpp
@@ -60,6 +60,9 @@ KviModeEditor::KviModeEditor(QWidget * par,KviWindowToolPageButton* button,const
 	pMasterLayout->addWidget(m_pButton,1,0);
 	connect(m_pButton,SIGNAL(clicked()),this,SLOT(commit()));
 
+	if(!m_pChannel || !m_pChannel->connection())
+		m_pButton->setText(__tr2qs("Close"));
+
 	QWidget * pBackground = new QWidget(pScrollArea->viewport());
 
 	QGridLayout *g = new QGridLayout(pBackground);
@@ -85,6 +88,10 @@ KviModeEditor::KviModeEditor(QWidget * par,KviWindowToolPageButton* button,const
 
 	//NOTE: this is a fallback is for some reason we don't have a serverInfo() struct available fot this connection
 
+	// The connection is dead and the context was destroyed, don't guess on what was there
+	if(!m_pChannel || !m_pChannel->connection())
+		return;
+
 	// first, the basic checkable modes pstnmi
 	QString szModes = "pstnmi";