diff --git a/include/PosPair.h b/include/PosPair.h index c36bf99..4705d77 100644 --- a/include/PosPair.h +++ b/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 diff --git a/include/mainScene.h b/include/mainScene.h index 4ec548d..49e422f 100644 --- a/include/mainScene.h +++ b/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 diff --git a/src/centralwidget.cpp b/src/centralwidget.cpp index 87976cb..1387408 100644 --- a/src/centralwidget.cpp +++ b/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); } diff --git a/src/header/centralwidget.h b/src/header/centralwidget.h index 0c5fbc3..6293c2e 100644 --- a/src/header/centralwidget.h +++ b/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); }; diff --git a/src/mainScene.cpp b/src/mainScene.cpp index a2346dc..e08be0a 100644 --- a/src/mainScene.cpp +++ b/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)