Add clickable path navigation in Project panel

ui/src/Managers/ProjectManager.cpp

@@ -33,6 +33,14 @@ void ProjectManager::NavigateBack() {
     }
 }
 
+void ProjectManager::NavigateToIndex(size_t index) {
+    if (index >= m_path.size()) return;
+    while (m_path.size() > index + 1) {
+        m_path.pop_back();
+    }
+    m_selectedIndex = -1;
+}
+
 std::string ProjectManager::GetCurrentPath() const {
     if (m_path.empty()) return "Assets";
     std::string result = "Assets";
@@ -43,6 +51,11 @@ std::string ProjectManager::GetCurrentPath() const {
     return result;
 }
 
+std::string ProjectManager::GetPathName(size_t index) const {
+    if (index >= m_path.size()) return "";
+    return m_path[index]->name;
+}
+
 static std::wstring Utf8ToWstring(const std::string& str) {
     if (str.empty()) return L"";
     int len = MultiByteToWideChar(CP_UTF8, 0, str.c_str(), -1, nullptr, 0);

ui/src/Managers/ProjectManager.h

@@ -17,9 +17,12 @@ public:
     
     void NavigateToFolder(const AssetItemPtr& folder);
     void NavigateBack();
+    void NavigateToIndex(size_t index);
     bool CanNavigateBack() const { return m_path.size() > 1; }
     
     std::string GetCurrentPath() const;
+    size_t GetPathDepth() const { return m_path.size(); }
+    std::string GetPathName(size_t index) const;
     
     void Initialize(const std::string& projectPath);
     void RefreshCurrentFolder();

ui/src/panels/ProjectPanel.cpp

@@ -37,7 +37,25 @@ void ProjectPanel::Render() {
     ImGui::EndDisabled();
     ImGui::SameLine();
     
-    ImGui::Text("%s", manager.GetCurrentPath().c_str());
+    ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
+    ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(0, 0, 0, 0));
+    size_t pathDepth = manager.GetPathDepth();
+    for (size_t i = 0; i < pathDepth; i++) {
+        if (i > 0) {
+            ImGui::SameLine();
+            ImGui::Text("/");
+            ImGui::SameLine();
+        }
+        std::string name = manager.GetPathName(i);
+        if (i < pathDepth - 1) {
+            if (ImGui::Button(name.c_str())) {
+                manager.NavigateToIndex(i);
+            }
+        } else {
+            ImGui::Text("%s", name.c_str());
+        }
+    }
+    ImGui::PopStyleColor(2);
     
     ImGui::SameLine();
     ImGui::SetCursorPosX(ImGui::GetWindowWidth() - 80.0f);