From bfea1228e3663f1ce7de191222bca7dc54c0c6c8 Mon Sep 17 00:00:00 2001
From: Tsu Jan <tsujan2000@gmail.com>
Date: Sat, 18 Aug 2018 10:31:32 +0430
Subject: [PATCH] Don't crash with invalid config format

Fixes https://github.com/lxqt/screengrab/issues/104
---
 src/core/config.cpp        | 2 +-
 src/core/ui/mainwindow.cpp | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/core/config.cpp b/src/core/config.cpp
index 9795d83..9b4bd31 100644
--- a/src/core/config.cpp
+++ b/src/core/config.cpp
@@ -247,7 +247,7 @@ void Config::setSaveFileName(QString fileName)
 
 QString Config::getSaveFormat()
 {
-    return value(KEY_SAVEFORMAT).toString();
+    return value(KEY_SAVEFORMAT).toString().toLower();
 }
 
 void Config::setSaveFormat(QString format)
diff --git a/src/core/ui/mainwindow.cpp b/src/core/ui/mainwindow.cpp
index e6cbd4e..9bbffe7 100644
--- a/src/core/ui/mainwindow.cpp
+++ b/src/core/ui/mainwindow.cpp
@@ -565,11 +565,11 @@ void MainWindow::saveScreen()
     // create initial filepath
     QHash<QString, QString> formatsAvalible;
     const QStringList formatIDs = _conf->getFormatIDs();
+    if (formatIDs.isEmpty()) return;
     for (const QString &formatID : formatIDs)
         formatsAvalible[formatID] = tr("%1 Files").arg(formatID.toUpper());
 
-    QString format = formatIDs.at(_conf->getDefaultFormatID());
-    _conf->getSaveFormat();
+    QString format = formatIDs.at(qBound(0, _conf->getDefaultFormatID(), formatIDs.size() - 1));
 
     Core* c = Core::instance();
     QString filePath = c->getSaveFilePath(format);