添加了轨道和位置点

include/PosPair.h

@@ -11,6 +11,26 @@
 class PosPair{
 
 public:
+    /**
+     * 设定的轨道开始坐标x
+     */
+    static const int stop_begin_x = 100;
+
+    /**
+     * 设定的轨道开始坐标y
+     */
+    static const int stop_begin_y = 80;
+
+    /**
+     * 轨道的宽度
+     */
+    static const int stop_rail_width = 300;
+
+    /**
+     * 轨道的高度
+     */
+    static const int stop_rail_height = 200;
+
     /*
      * 站点位置的x坐标
      */
@@ -48,25 +68,6 @@ public:
     int GetBusPosY() const;
 
 private:
-    /**
-     * 设定的轨道开始坐标x
-     */
-    const int stop_begin_x = 100;
-
-    /**
-     * 设定的轨道开始坐标y
-     */
-    const int stop_begin_y = 80;
-
-    /**
-     * 轨道的宽度
-     */
-    const int stop_rail_width = 300;
-
-    /**
-     * 轨道的高度
-     */
-    const int stop_rail_height = 200;
 
     /**
      * 公交车到站点的距离

include/mainScene.h

@@ -34,7 +34,7 @@ public:
      * 生成站点画面
      * @param node_number
      */
-    void SetStopScene(int node_number);
+    void SetStopScene(int node_number, int node_distance);
 
     /**
      * 重设公交车的位置
@@ -59,6 +59,16 @@ private:
      */
     QGraphicsSimpleTextItem *name_items;
 
+    /**
+     * 轨道对象
+     */
+    QGraphicsPathItem *rail_path;
+
+    /**
+     * 位置点对象数组
+     */
+    QGraphicsEllipseItem *pos_spots;
+
     /**
      * 每个站点的所在位置
      */
@@ -74,6 +84,11 @@ private:
      */
     int stop_node_number;
 
+    /**
+     * 站点之间的距离
+     */
+    int stop_node_distance;
+
     /**
      * 一个矩形的边框
      * 使无论中间存在多少站点，这个scene都能在view的中心

src/centralwidget.cpp

@@ -31,7 +31,8 @@ void CentralWidget::SetController(BusStrategyBase *c)
 {
     controller = c;
     SetControlConnection();
-    SetRailsScene(controller->rails_model->node_num);
+    SetRailsScene(controller->rails_model->node_num,
+                  controller->rails_model->total_distance / controller->rails_model->node_num);
 }
 
 void CentralWidget::SetStrategyLabel(int strategy)
@@ -117,13 +118,13 @@ void CentralWidget::SetWidgetConnection()
 void CentralWidget::SetupQueryList()
 {
     // 设置请求列表的表头
-    QueryListItem *column_name = new QueryListItem(1,1);
+    auto *column_name = new QueryListItem(1,1);
     column_name->SetColumnName();
 
     query_items.push_back(column_name);
 
     // 在列表中显示
-    QListWidgetItem *widget_item = new QListWidgetItem;
+    auto *widget_item = new QListWidgetItem;
     ui->query_list->addItem(widget_item);
     ui->query_list->setItemWidget(widget_item, column_name);
 }
@@ -159,12 +160,12 @@ void CentralWidget::AppendQueryItemSlot(int query_type, int node_id)
         return;
     }
 
-    QueryListItem *item = new QueryListItem(query_type, node_id);
+    auto *item = new QueryListItem(query_type, node_id);
 
     query_items.push_back(item);
 
     // 在列表中显示
-    QListWidgetItem *widget_item = new QListWidgetItem;
+    auto *widget_item = new QListWidgetItem;
     ui->query_list->addItem(widget_item);
     ui->query_list->setItemWidget(widget_item, item);
 }
@@ -231,9 +232,9 @@ void CentralWidget::AddQueryButtonClicked()
     emit AppendQuerySignal(query_type, node_id);
 }
 
-void CentralWidget::SetRailsScene(int node_num)
+void CentralWidget::SetRailsScene(int node_num, int node_distance)
 {
-    scene_manager->SetStopScene(node_num);
+    scene_manager->SetStopScene(node_num, node_distance);
     SetRailsComboBox(node_num);
 }
 

src/header/centralwidget.h

@@ -143,7 +143,7 @@ private:
      * 重新设置站点选择下拉栏
      * @param node_num
      */
-    void SetRailsScene(int node_num);
+    void SetRailsScene(int node_num, int node_distance);
 };
 
 

src/mainScene.cpp

@@ -8,9 +8,12 @@ SceneManager::SceneManager()
 {
     scene = new QGraphicsScene;
     stop_node_number = 0;
+    stop_node_distance = 0;
     pixmap_items = nullptr;
     stop_pos_pairs = nullptr;
     name_items = nullptr;
+    pos_spots = nullptr;
+    rail_path = nullptr;
     rect_item = new QGraphicsRectItem;
     bus = new BusWidget;
 
@@ -24,24 +27,31 @@ SceneManager::~SceneManager()
     delete []name_items;
     delete []pixmap_items;
     delete []stop_pos_pairs;
+    delete []pos_spots;
+    delete rail_path;
     delete bus;
+    delete rect_item;
     delete scene;
 }
 
-void SceneManager::SetStopScene(int node_number)
+void SceneManager::SetStopScene(int node_number, int node_distance)
 {
     // 先清除屏幕
     ClearStopScene();
 
     stop_node_number = node_number;
+    stop_node_distance = node_distance;
+
     pixmap_items = new QGraphicsPixmapItem[stop_node_number];
     stop_pos_pairs = new PosPair[stop_node_number];
     name_items = new QGraphicsSimpleTextItem[stop_node_number];
+    pos_spots = new QGraphicsEllipseItem[stop_node_number * (node_distance - 1)];
+    rail_path = new QGraphicsPathItem;
 
     int stop_space_length = stop_pos_pairs->GetStopSpaceLength(stop_node_number);
+
     double stop_scale = 0.15;
     QTransform stop_transform;
-
     stop_transform.scale(stop_scale, stop_scale);
 
     // 为站点对象设置
@@ -64,6 +74,7 @@ void SceneManager::SetStopScene(int node_number)
         pixmap_items[i].setPos(stop_pos_pairs[i].pos_x, stop_pos_pairs[i].pos_y);
     }
 
+    // 初始化站点编号
     for(int i = 0; i < stop_node_number; i++)
     {
         name_items[i].setText(QString::number(i + 1));
@@ -72,6 +83,60 @@ void SceneManager::SetStopScene(int node_number)
         scene->addItem(&name_items[i]);
     }
 
+    // 设置画点的画笔
+    QPen pen = QPen();
+    pen.setWidth(2);
+    pen.setColor(Qt::black);
+    // 设置画轨道的画笔
+    QPen rail_pen = QPen();
+    rail_pen.setWidth(1);
+    rail_pen.setColor(Qt::black);
+
+    // 画轨道
+    QPainterPath path;
+    path.moveTo(PosPair::stop_begin_x, PosPair::stop_begin_y);
+
+    // 画位置点
+    int pos;
+    for(int i = 0; i < stop_node_number; i++)
+    {
+        path.lineTo(stop_pos_pairs[i].pos_x, stop_pos_pairs[i].pos_y);
+
+        // 处理在画最后一个点的时候数组越界的问题
+        int next_id = i + 1;
+        if(next_id == stop_node_number)
+        {
+            next_id = 0;
+        }
+
+        int x_distance = (stop_pos_pairs[next_id].pos_x - stop_pos_pairs[i].pos_x) / node_distance;
+        int y_distance = (stop_pos_pairs[next_id].pos_y - stop_pos_pairs[i].pos_y) / node_distance;
+
+        int spot_pos_x = stop_pos_pairs[i].pos_x;
+        int spot_pos_y = stop_pos_pairs[i].pos_y;
+
+        for(int j = 0; j < node_distance - 1; j++)
+        {
+            pos = i * (node_distance - 1) + j;
+
+            spot_pos_x += x_distance;
+            spot_pos_y += y_distance;
+
+            pos_spots[pos].setPen(pen);
+            pos_spots[pos].setBrush(QBrush(Qt::black));
+
+            pos_spots[pos].setRect(spot_pos_x - 1, spot_pos_y - 1, 2, 2);
+
+            scene->addItem(&pos_spots[pos]);
+        }
+    }
+
+    // 最后在连回起点
+    path.lineTo(PosPair::stop_begin_x, PosPair::stop_begin_y);
+    rail_path->setPath(path);
+    rail_path->setPen(rail_pen);
+    scene->addItem(rail_path);
+
     // 设置公交车图像
     bus->ResetBusPos(stop_pos_pairs, node_number);
     scene->addItem(bus->item);
@@ -79,7 +144,6 @@ void SceneManager::SetStopScene(int node_number)
 
 void SceneManager::ResetBus()
 {
-
     bus->ResetBusPos(stop_pos_pairs, stop_node_number);
 }
 
@@ -91,14 +155,29 @@ void SceneManager::ClearStopScene()
         scene->removeItem(&pixmap_items[i]);
     }
 
+    // 移除站点编号
     for(int i = 0; i < stop_node_number; i++)
     {
         scene->removeItem(&name_items[i]);
     }
 
+    // 移除位置点
+    for(int i = 0; i < stop_node_number * (stop_node_distance - 1); i++)
+    {
+        scene->removeItem(&pos_spots[i]);
+    }
+
+    // 移除轨道
+    if(rail_path != nullptr)
+    {
+        scene->removeItem(rail_path);
+    }
+
     delete []name_items;
     delete []pixmap_items;
+    delete []pos_spots;
     delete []stop_pos_pairs;
+    delete rail_path;
 }
 
 void SceneManager::BeginBusAnimation(int direction, int duration)