fixed crash when importing files without an extension

olive.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.6.2, 2018-07-01T04:18:56. -->
+<!-- Written by QtCreator 4.6.2, 2018-07-01T17:58:13. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

panels/effectcontrols.cpp

@@ -77,6 +77,7 @@ void EffectControls::clear_effects() {
     }
     ui->vcontainer->setVisible(false);
     ui->acontainer->setVisible(false);
+    selected_clips.clear();
 }
 
 void EffectControls::deselect_all_effects(QWidget* sender) {
@@ -163,10 +164,14 @@ bool EffectControls::is_focused() {
     if (this->hasFocus()) return true;
     for (int i=0;i<selected_clips.size();i++) {
         Clip* c = selected_clips.at(i);
-        for (int j=0;j<c->effects.size();j++) {
-            if (c->effects.at(j)->container->is_focused()) {
-                return true;
+        if (c != NULL) {
+            for (int j=0;j<c->effects.size();j++) {
+                if (c->effects.at(j)->container->is_focused()) {
+                    return true;
+                }
             }
+        } else {
+            qDebug() << "[WARNING] Tried to check focus of a NULL clip";
         }
     }
     return false;

panels/project.cpp

@@ -174,6 +174,9 @@ void Project::process_file_list(QStringList& files) {
 
         // heuristic to determine whether file is part of an image sequence
         int lastcharindex = file.lastIndexOf(".")-1;
+        if (lastcharindex == -2) {
+            lastcharindex = file.length() - 1;
+        }
         if (file[lastcharindex].isDigit()) {
             bool is_img_sequence = false;
             QString sequence_test(file);

ui/sourcetable.cpp

@@ -9,6 +9,7 @@
 
 #include <QDragEnterEvent>
 #include <QMimeData>
+#include <QDebug>
 
 SourceTable::SourceTable(QWidget* parent) : QTreeWidget(parent) {
     sortByColumn(0, Qt::AscendingOrder);
@@ -51,6 +52,7 @@ void SourceTable::dropEvent(QDropEvent* event) {
         if (!urls.isEmpty()) {
             QStringList paths;
             for (int i=0;i<urls.size();i++) {
+                qDebug() << urls.at(i).toLocalFile();
                 paths.append(urls.at(i).toLocalFile());
             }
             panel_project->process_file_list(paths);