[nostalgia] Update Studio to handle tabs and open directory dialog on Mac, Update core::init

src/nostalgia/studio/projecttreemodel.cpp

@@ -8,14 +8,16 @@
 
 #include <imgui.h>
 
+#include "projectexplorer.hpp"
 #include "projecttreemodel.hpp"
 
 namespace nostalgia {
 
-ProjectTreeModel::ProjectTreeModel(const ox::String &name,
-                                   ox::Vector<ox::UniquePtr<ProjectTreeModel>> children) noexcept {
+ProjectTreeModel::ProjectTreeModel(ProjectExplorer *explorer, const ox::String &name,
+                                   ProjectTreeModel *parent) noexcept {
+	m_explorer = explorer;
 	m_name = name;
-	m_children = std::move(children);
+	m_parent = parent;
 }
 
 ProjectTreeModel::ProjectTreeModel(ProjectTreeModel &&other) noexcept {
@@ -32,11 +34,23 @@ void ProjectTreeModel::draw(core::Context *ctx) noexcept {
 			}
 			ImGui::TreePop();
 		}
-	} else {
-		if (ImGui::TreeNodeEx(m_name.c_str(), ImGuiTreeNodeFlags_Leaf)) {
-			ImGui::TreePop();
+	} else if (auto path = fullPath(); ImGui::TreeNodeEx(ox::sfmt("{}##{}", m_name, path).c_str(), ImGuiTreeNodeFlags_Leaf)) {
+		if (ImGui::IsItemHovered() && ImGui::IsMouseDoubleClicked(0)) {
+			m_explorer->fileChosen.emit(path);
 		}
+		ImGui::TreePop();
 	}
 }
 
+void ProjectTreeModel::setChildren(ox::Vector<ox::UniquePtr<ProjectTreeModel>> children) noexcept {
+	m_children = std::move(children);
+}
+
+ox::String ProjectTreeModel::fullPath() noexcept {
+	if (m_parent) {
+		return m_parent->fullPath() + "/" + m_name;
+	}
+	return "";
+}
+
 }