Out of bounds warning

gridpreview.cpp

@@ -286,3 +286,24 @@ const PointProbe GridPreview::probePoint(const QPoint &point)
     }
     return PointProbe();
 }
+
+const QList<PointProbe> GridPreview::pointsOutOfBounds()
+{
+    QList<PointProbe> out;
+
+    for (auto iter = lines.begin(); iter != lines.end(); iter++)
+    {
+        const QPoint &start = iter->getStart();
+        const QPoint &end = iter->getEnd();
+
+        PointProbe startProbe = probePoint(start);
+        PointProbe endProbe = probePoint(end);
+
+        if (!startProbe.inBounds)
+            out.push_back(startProbe);
+        if (!endProbe.inBounds)
+            out.push_back(startProbe);
+    }
+
+    return out;
+}

gridpreview.h

@@ -21,6 +21,8 @@ struct PointProbe
         inBounds(bounds) {}
 };
 
+
+
 class GridPreview : public QWidget
 {
     Q_OBJECT
@@ -69,6 +71,7 @@ public:
 
     int getPointOwner(const QPoint& point);
     const PointProbe probePoint(const QPoint& point);
+    const QList<PointProbe> pointsOutOfBounds();
 signals:
     void updatedContents();
 };

mainwindow.cpp

@@ -52,18 +52,37 @@ void MainWindow::onGridUpdated()
     {
         if (iter->size() > 1)
         {
-            QString warningTitle = QString("Color \"%1\" is used by several lines:").arg(iter.key());
+            QString title = QString("Color \"%1\" is used by several lines:").arg(iter.key());
-            QStringList warningDescription{};
+            QStringList description{};
 
             for(int i = 0; i < iter->size(); i++)
             {
-                warningDescription.push_back(QString("Line #%1").arg(iter->at(i)));
+                description.push_back(QString("Line #%1").arg(iter->at(i)));
             }
 
-            throwWarning(warningTitle, warningDescription);
+            throwWarning(title, description);
         }
     }
-    ui->treeWarnings->expandAll();
+
+    const QList<PointProbe> outOfBounds = ui->gridPreview->pointsOutOfBounds();
+
+    for (auto iter = outOfBounds.begin(); iter != outOfBounds.end(); iter++)
+    {
+        const Line &line = ui->gridPreview->getLine(iter->ownerIndex);
+        const QPoint &point = iter->isStart ? line.getStart() : line.getEnd();
+
+        QString pointType = iter->isStart ? QString("Start") : QString("End");
+        QString title = QString("%1 point of Line #%2 is out of bounds:").arg(pointType).arg(iter->ownerIndex + 1);
+        QStringList description {
+            QString("Point located at (%1, %2) while grid size is %3x%4")
+                .arg(point.x())
+                .arg(point.y())
+                .arg(ui->gridPreview->getWidth())
+                .arg(ui->gridPreview->getHeight())
+        };
+
+        throwWarning(title, description);
+    }
 
     PointProbe pp = ui->gridPreview->getCapturedProbe();
 
@@ -127,12 +146,13 @@ void MainWindow::throwWarning(const QString &title, const QStringList &descripti
         titleItem->addChild(descriptionItem);
     }
     ui->treeWarnings->addTopLevelItem(titleItem);
+    ui->treeWarnings->expandItem(titleItem);
 }
 
 
 void MainWindow::on_buttonSave_clicked()
 {
-    QString fileName = QFileDialog::getSaveFileName(this, QString("Save grid"), ".", "Lua source code (*.lua)");
+    QString fileName = QFileDialog::getSaveFileName(this, QString("Save grid"), "level.lua", "Lua source code (*.lua)");
     QFile file(fileName);
     if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
         return;