frontend/gui moved to graphics/ui

2024-03-19 00:08:46 +03:00
parent b56408a202
commit 5393977e57
26 changed files with 139 additions and 140 deletions
@@ -0,0 +1,112 @@
+#ifndef GRAPHICS_UI_ELEMENTS_CONTAINERS_H_
+#define GRAPHICS_UI_ELEMENTS_CONTAINERS_H_
+
+#include <glm/glm.hpp>
+#include <vector>
+#include <stack>
+#include <string>
+#include <memory>
+#include "UINode.h"
+
+class Batch2D;
+class Assets;
+
+namespace gui {
+    using ontimeout = std::function<void()>;
+
+    struct IntervalEvent {
+        ontimeout callback;
+        float interval;
+        float timer;
+        // -1 - infinity, 1 - one time event
+        int repeat;
+    };
+
+    enum class Orientation { vertical, horizontal };
+
+    class Container : public UINode {
+    protected:
+        std::vector<std::shared_ptr<UINode>> nodes;
+        std::vector<IntervalEvent> intervalEvents;
+        int scroll = 0;
+        int scrollStep = 40;
+        int actualLength = 0;
+        bool scrollable = true;
+    public:
+        Container(glm::vec2 size);
+
+        virtual void act(float delta) override;
+        virtual void drawBackground(const GfxContext* pctx, Assets* assets);
+        virtual void draw(const GfxContext* pctx, Assets* assets) override;
+        virtual std::shared_ptr<UINode> getAt(glm::vec2 pos, std::shared_ptr<UINode> self) override;
+        virtual void add(std::shared_ptr<UINode> node);
+        virtual void add(std::shared_ptr<UINode> node, glm::vec2 pos);
+        virtual void remove(std::shared_ptr<UINode> node);
+        virtual void scrolled(int value) override;
+        virtual void setScrollable(bool flag);
+        void listenInterval(float interval, ontimeout callback, int repeat=-1);
+        virtual glm::vec2 contentOffset() override {return glm::vec2(0.0f, scroll);};
+        virtual void setSize(glm::vec2 size) override;
+        virtual void refresh() override;
+
+        const std::vector<std::shared_ptr<UINode>>& getNodes() const;
+    };
+
+    class Panel : public Container {
+    protected:
+        Orientation orientation = Orientation::vertical;
+        glm::vec4 padding {2.0f};
+        float interval = 2.0f;
+        int maxLength = 0;
+    public:
+        Panel(
+            glm::vec2 size, 
+            glm::vec4 padding=glm::vec4(2.0f), 
+            float interval=2.0f
+        );
+        virtual ~Panel();
+
+        virtual void cropToContent();
+
+        virtual void setOrientation(Orientation orientation);
+        Orientation getOrientation() const;
+
+        virtual void add(std::shared_ptr<UINode> node) override;
+
+        virtual void refresh() override;
+
+        virtual void setMaxLength(int value);
+        int getMaxLength() const;
+
+        virtual void setPadding(glm::vec4 padding);
+        glm::vec4 getPadding() const;
+    };
+
+    struct Page {
+        std::shared_ptr<UINode> panel = nullptr;
+
+        ~Page() {
+            panel = nullptr;
+        }
+    };
+
+    class PagesControl : public Container {
+    protected:
+        std::unordered_map<std::string, Page> pages;
+        std::stack<std::string> pageStack;
+        Page current;
+        std::string curname = "";
+    public:
+        PagesControl();
+
+        bool has(std::string name);
+        void setPage(std::string name, bool history=true);
+        void addPage(std::string name, std::shared_ptr<UINode> panel);
+        void back();
+        void clearHistory();
+        void reset();
+    
+        Page& getCurrent();
+    };
+}
+#endif // GRAPHICS_UI_ELEMENTS_CONTAINERS_H_