update UI for file open dialog (BROKEN!)

src/render/GUIFunction.cpp

@@ -3,10 +3,15 @@
 
 
 // win32 api IFileOpenDialog
-PWSTR GUIFunction::openFileFolderDialog(HINSTANCE hInstance, HINSTANCE, PWSTR pCmdLine, int nCmdShow)
+
+
+// TO DO: rewrite this function to bool and get file path through public value
+bool  GUIFunction::openFileFolderDialog()
 {
 	//initialize COM lib
+    
 	HRESULT hResult = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
+    
     if (SUCCEEDED(hResult))
     {
         IFileOpenDialog* pFileOpen = nullptr;
@@ -27,21 +32,25 @@ PWSTR GUIFunction::openFileFolderDialog(HINSTANCE hInstance, HINSTANCE, PWSTR pC
                 {
                     PWSTR pszFilePath;
                     hResult = pItem->GetDisplayName(SIGDN_FILESYSPATH, &pszFilePath);
-                    
+                    filePath = pszFilePath;
                     // Display the file name to the user.
                     if (SUCCEEDED(hResult))
                     {
                         MessageBoxW(NULL, pszFilePath, L"File Path", MB_OK);
                         CoTaskMemFree(pszFilePath);
-                        stringFilePath == pszFilePath;
+                        
                     }
                     pItem->Release();
                 }
+                return true;
             }
             pFileOpen->Release();
+            return false;
         }
+        
         CoUninitialize();
+        return false;
     }
-    return stringFilePath;
+    return false;
     
 };

src/render/GUIFunction.h

@@ -8,20 +8,16 @@
 class GUIFunction
 {
 public:
-	GUIFunction();
-	~GUIFunction();
 
-	PWSTR openFileFolderDialog(HINSTANCE hInstance, HINSTANCE, PWSTR pCmdLine, int nCmdShow);
+	PWSTR filePath;
+
+	
+
+	bool openFileFolderDialog();
 	private:
-		PWSTR stringFilePath;
+		
 };
 
-GUIFunction::GUIFunction()
+
-{
-}
-
-GUIFunction::~GUIFunction()
-{
-}
 
 

src/render/render.cpp

@@ -1,4 +1,3 @@
-#pragma once
 
 /*
 * Vulkan Example - glTF scene loading and rendering
@@ -31,6 +30,7 @@
 
 
 #include "render.h"
+#include "GUIFunction.h"
 
 
 
@@ -1287,7 +1287,7 @@
 
 	auto tEnd = std::chrono::high_resolution_clock::now();
 	auto tDiff = std::chrono::duration<double, std::milli>(tEnd - tStart).count();
-	std::cout << "Generating pre-filtered enivornment cube with " << numMips << " mip levels took " << tDiff << " ms" << std::endl;
+	std::cout << "Generating pre-filtered environment cube with " << numMips << " mip levels took " << tDiff << " ms" << std::endl;
 }
 
 	void VulkanExample::GenerateBRDFLUT()
@@ -1650,6 +1650,22 @@
 		{
 			overlay->checkBox("Pause", &paused);
 		}
+		if (overlay->header("file"))
+		{
+			if (overlay->button("select model")) 
+			{
+				GUIFunction guiFunc{};
+
+				if (guiFunc.openFileFolderDialog())
+				{
+					std::cout << guiFunc.filePath << std::endl;
+				}
+				else
+				{
+					std::cerr << "file select error" << std::endl;
+				}
+			}
+		}
 	}
 
 

src/render/render.h

@@ -27,6 +27,7 @@
 #include "vulkanexamplebase.h"
 #include "glTFModel.h"
 
+
 #define ENABLE_VALIDATION false