Gray out and warn about VMs with missing hypervisor

1 files changed, 7 insertions, 1 deletions

diff --git a/src/dialog.cpp b/src/dialog.cpp
index a0b9a47..d87753a 100644
--- a/src/dialog.cpp
+++ b/src/dialog.cpp
@@ -133,6 +133,10 @@ void Dialog::on_treeView_doubleClicked(const QModelIndex& index)
     if (s == nullptr) // no valid session has been selected, do nothing
             return;
 
+    // Check preconditions. The method might show error messages and return false
+    if (!s->canRun(true))
+        return;
+
     // These two are up here in case run-virt cares...
     if (Config::isSet(Config::PVS)) {
         if (ui->PVS_checkbox->isChecked()) {
@@ -203,7 +207,7 @@ void Dialog::on_treeView_doubleClicked(const QModelIndex& index)
         centerTimer_->stop(); // Stop the auto-center/auto-quit timer, so we don't kill the session :>
         setVisible(false);
     } else {
-        QMessageBox::warning(
+        QMessageBox::critical(
                     this, trUtf8("vmchooser"),
                     trUtf8("Vmchooser failed to run the selected session!"));
     }
@@ -232,6 +236,8 @@ void Dialog::addItems(const QList<Session*>& entries, int tab) {
                         || prev.contains(it->shortDescription())) {
                     matches.append(it);
                 }
+                // Also check for validity
+                it->checkCanRun();
             }
             if (!matches.isEmpty()) {
                 addItems(matches, TAB_RECENT_COURSES);