rename

2024-04-23 18:43:02 +03:00
parent 67f34ceb8c
commit 051f0b8c6a
35 changed files with 61 additions and 62 deletions
@@ -0,0 +1,131 @@
+#ifndef FRONTEND_GUI_GUI_HPP_
+#define FRONTEND_GUI_GUI_HPP_
+
+#include <queue>
+#include <memory>
+#include <vector>
+#include <string>
+#include <glm/glm.hpp>
+#include <functional>
+#include <unordered_map>
+
+#include "../../delegates.h"
+
+class GfxContext;
+class Assets;
+class Camera;
+
+/*
+ Some info about padding and margin.
+    Padding is element inner space, margin is outer
+    glm::vec4 usage:
+      x - left
+      y - top
+      z - right
+      w - bottom
+
+ Outer element
+ +======================================================================+
+ |            .           .                    .          .             |
+ |            .padding.y  .                    .          .             |
+ | padding.x  .           .                    .          .   padding.z |
+ |- - - - - - + - - - - - + - - - - - - - - - -+- - - - - + - - - - - - |
+ |            .           .                    .          .             |
+ |            .           .margin.y            .          .             |
+ |            .margin.x   .                    .  margin.z.             |
+ |- - - - - - + - - - - - +====================+- - - - - + - - - - - - |
+ |            .           |    Inner element   |          .             |
+ |- - - - - - + - - - - - +====================+- - - - - + - - - - - - |
+ |            .           .                    .          .             |
+ |            .           .margin.w            .          .             |
+ |            .           .                    .          .             |
+ |- - - - - - + - - - - - + - - - - - - - - - -+- - - - - + - - - - - - |
+ |            .           .                    .          .             |
+ |            .padding.w  .                    .          .             |
+ |            .           .                    .          .             |
+ +======================================================================+
+*/
+
+namespace gui {
+    class UINode;
+    class Container;
+    class Menu;
+
+    /// @brief The main UI controller
+    class GUI {
+        std::shared_ptr<Container> container;
+        std::shared_ptr<UINode> hover = nullptr;
+        std::shared_ptr<UINode> pressed = nullptr;
+        std::shared_ptr<UINode> focus = nullptr;
+        std::unordered_map<std::string, std::shared_ptr<UINode>> storage;
+
+        std::unique_ptr<Camera> uicamera;
+        std::shared_ptr<Menu> menu;
+        std::queue<runnable> postRunnables;
+        void actMouse(float delta);
+        void actFocused();
+    public:
+        GUI();
+        ~GUI();
+
+        /// @brief Get the main menu (Menu) node
+        std::shared_ptr<Menu> getMenu();
+
+        /// @brief Get current focused node 
+        /// @return focused node or nullptr
+        std::shared_ptr<UINode> getFocused() const;
+
+        /// @brief Check if all user input is caught by some element like TextBox
+        bool isFocusCaught() const;
+
+        /// @brief Main input handling and logic update method 
+        /// @param delta delta time
+        void act(float delta);
+
+        /// @brief Draw all visible elements on main container 
+        /// @param pctx parent graphics context
+        /// @param assets active assets storage
+        void draw(const GfxContext* pctx, Assets* assets);
+
+        /// @brief Add element to the main container
+        /// @param node UI element
+        void add(std::shared_ptr<UINode> node);
+
+        /// @brief Add element to the main container
+        /// @param node UI element
+        /// @param coord element position within the main container
+        void add(std::shared_ptr<UINode> node, glm::vec2 coord);
+
+        /// @brief Remove node from the main container
+        void remove(std::shared_ptr<UINode> node) noexcept;
+
+        /// @brief Store node in the GUI nodes dictionary 
+        /// (does not add node to the main container)
+        /// @param name node key
+        /// @param node target node
+        void store(std::string name, std::shared_ptr<UINode> node);
+
+        /// @brief Get node from the GUI nodes dictionary 
+        /// @param name node key
+        /// @return stored node or nullptr
+        std::shared_ptr<UINode> get(std::string name) noexcept;
+
+        /// @brief Remove node from the GUI nodes dictionary
+        /// @param name node key 
+        void remove(std::string name) noexcept;
+
+        /// @brief Set node as focused 
+        /// @param node new focused node or nullptr to remove focus
+        void setFocus(std::shared_ptr<UINode> node);
+
+        /// @brief Get the main container
+        /// @deprecated
+        std::shared_ptr<Container> getContainer() const;
+
+        void onAssetsLoad(Assets* assets);
+
+        void postRunnable(runnable callback);
+    };
+}
+
+#endif // FRONTEND_GUI_GUI_HPP_