build: Cleaned up cmake build structure (#399)

* build: Cleanup build process, move main application to /main folder

* build: Try fixing MacOS bundling

* build: Fixed swapped parameters

* build: One imhex -> main too much

* build: Move resources to a better location

* build: Try to fix macos bundle creation

* build: More bundle fixes

* build: Fixed syntax

* build: Another try

* build: Added macos debugging stuff

* build: Fix bundle path

* build: Removed duplicated adding of Frameworks folder to rpath

* build: Removed debugging

main/include/init/splash_window.hpp

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <functional>
+#include <future>
+#include <vector>
+
+#include <mutex>
+
+struct GLFWwindow;
+
+namespace hex::init {
+
+    using TaskFunction = std::function<bool()>;
+
+    class WindowSplash {
+    public:
+        WindowSplash();
+        ~WindowSplash();
+
+        bool loop();
+
+        void addStartupTask(const std::string &taskName, const TaskFunction &task) {
+            this->m_tasks.emplace_back(taskName, task);
+        }
+
+    private:
+        GLFWwindow *m_window;
+        std::mutex m_progressMutex;
+        float m_progress = 0;
+        std::string m_currTaskName;
+
+        void initGLFW();
+        void initImGui();
+
+        void deinitGLFW();
+        void deinitImGui();
+
+        std::future<bool> processTasksAsync();
+
+        std::vector<std::pair<std::string, TaskFunction>> m_tasks;
+    };
+
+}

main/include/init/tasks.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <functional>
+#include <string>
+#include <vector>
+
+namespace hex::init {
+
+    struct Task {
+        std::string name;
+        std::function<bool()> function;
+    };
+
+    struct Argument {
+        std::string name, value;
+    };
+
+    std::vector<Task> getInitTasks();
+    std::vector<Task> getExitTasks();
+
+    std::vector<Argument>& getInitArguments();
+}