implement ui

src/ui/BuildButtonGrid.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <map>
+#include <vector>
+
+#include <QWidget>
+
+#include "BuildingType.h"
+#include "GameConfig.h"
+
+class QPushButton;
+
+class BuildButtonGrid : public QWidget
+{
+    Q_OBJECT
+
+public:
+    BuildButtonGrid(const GameConfig* config, QWidget* parent = nullptr);
+
+    void updateAffordability(int buildingBlocks);
+    void clearActiveButton();
+
+signals:
+    void buildingTypeSelected(BuildingType type);
+    void builderModeExited();
+
+private slots:
+    void onBuildButton(int index);
+
+private:
+    const GameConfig*                m_config;
+    std::vector<BuildingType>        m_types;
+    std::vector<QPushButton*>        m_buttons;
+    std::map<BuildingType, int>      m_costs;
+    int                              m_activeIndex;
+};