From 564f84093615011ca525f395569fba333ec0f136 Mon Sep 17 00:00:00 2001
From: OugonNoHane <inupwd@gmail.com>
Date: Thu, 27 Oct 2022 17:01:21 +0200
Subject: [PATCH] Lectura directorio escindida main

---
 main.cpp | 109 +++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 74 insertions(+), 35 deletions(-)

diff --git a/main.cpp b/main.cpp
index 8ed8b64..520d1e1 100644
--- a/main.cpp
+++ b/main.cpp
@@ -7,7 +7,10 @@
 #define GL_SILENCE_DEPRECATION
 #include "imgui/misc/single_file/imgui_single_file.h"
 #include <iostream>
+#include <vector>
 #include <Windows.h>
+#include <stdio.h>
+#include <stdlib.h>
 
 // [Win32] Our example includes a copy of glfw3.lib pre-compiled with VS2010 to maximize ease of testing and compatibility with old VS compilers.
 // To link with VS2010-era libraries, VS2015+ requires linking with legacy_stdio_definitions.lib, which we do using this pragma.
@@ -20,6 +23,52 @@ static void glfw_error_callback(int error, const char* description)
     fprintf(stderr, "Glfw Error %d: %s\n", error, description);
 }
 
+bool retrieveCurrentDirectory(char** currentPath){
+	if(GetCurrentDirectory(MAX_PATH, *currentPath)) return true;
+	return false;
+}
+	
+int listDirectory(std::string path, std::vector<char*> *directoryContents){
+	HANDLE hFind = INVALID_HANDLE_VALUE;
+	WIN32_FIND_DATA ffd;
+	LARGE_INTEGER filesize;
+	int numFiles = 0;
+
+	if (path.length() > (MAX_PATH - 3)) return -1;
+	path = path + "\\*";
+	hFind = FindFirstFile(path.c_str(), &ffd);
+	if (INVALID_HANDLE_VALUE == hFind) return -2;
+	do {
+		char* itemPath;
+		if (directoryContents->size() <= numFiles){
+			itemPath = (char*)calloc(1, MAX_PATH * sizeof(WCHAR));
+			directoryContents->push_back(itemPath);
+		} else {
+			itemPath = directoryContents->at(numFiles);
+		}
+
+		uint64_t idx = 0;
+		do {
+			itemPath[idx] = ffd.cFileName[idx];
+			idx++;
+		} while (ffd.cFileName[idx]);
+		
+		if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
+			strcat(itemPath, " <DIR>");
+		} else {
+			filesize.QuadPart = ((ffd.nFileSizeHigh * (MAXDWORD+1)) + ffd.nFileSizeLow);
+			char buf[16]; buf[0] = ' ';
+			itoa(filesize.QuadPart, buf + 1 , 10 );
+			strcat(itemPath, buf);
+		}
+		
+		numFiles++;
+	} while (FindNextFile(hFind, &ffd) != 0);
+	FindClose(hFind);
+	return numFiles;
+}	
+	
+
 
 
 int main(int, char**)
@@ -94,7 +143,7 @@ int main(int, char**)
     bool show_demo_window = true;
     bool show_another_window = false;
     ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
-
+	
     // Main loop
     while (!glfwWindowShouldClose(window)) {
         // Poll and handle events (inputs, window resize, etc.)
@@ -139,52 +188,42 @@ int main(int, char**)
 		{
 		    ImGui::Begin("File Picker in 4K");                          
 			
-			//TODO Win32
-			HANDLE hFind = INVALID_HANDLE_VALUE;
-			WIN32_FIND_DATA ffd;
-			LARGE_INTEGER filesize;
-			static char* debug32;
-			//
+			//cursed C momento
+			static char currentPath[MAX_PATH];
+			char* ptr = &currentPath[0];
+			
 			static int currentItemIdx = 0;
-			ImGui::Text("Select a file:");
-			hFind = FindFirstFile("C:\\Users\\Fabio\\Downloads\\Street Fighter 6 - Closed Beta\\*", &ffd);
-			if (INVALID_HANDLE_VALUE != hFind) {
-				if (ImGui::BeginListBox("fpLb", ImVec2(FLT_MIN, 25 * ImGui::GetTextLineHeightWithSpacing()))){
-					for (int n = 0; FindNextFile(hFind, &ffd) != 0; n++) {
-							static std::string seleciable; 
-							if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
-								seleciable = " " + std::string(ffd.cFileName) + "<DIR>";
-								ImGui::Selectable(seleciable.c_str(), false);   
-							} else {
-								filesize.QuadPart = (long long)(ffd.nFileSizeHigh * (MAXDWORD+1)) + ffd.nFileSizeLow;
-								seleciable = " " + std::string(ffd.cFileName) + " " + std::to_string(filesize.QuadPart);
-								ImGui::Selectable(seleciable.c_str(), false);
-							}
-							
-							//const bool isSelected = (currentItemIdx == n);
-							//if (ImGui::Selectable(items[n], is_selected))
-							//	item_current_idx = n;
+			std::vector<char*> directoryContents;
+			
+			if(!retrieveCurrentDirectory(&ptr)) goto filepickerFailure;
+			
+			if(int numFiles = (listDirectory(".", &directoryContents))){
+				ImGui::Text("Select a file:");
+				if (ImGui::BeginListBox("fpLb", ImVec2(-FLT_MIN, 25 * ImGui::GetTextLineHeightWithSpacing()))){
+					for (int i = 0; i < numFiles; i++) {
+						// ImGui::Selectable(directoryContents.at(i), false);   
+						
+						const bool isSelected = (currentItemIdx == i);
+						if (ImGui::Selectable(directoryContents.at(i), isSelected))
+							currentItemIdx = i;
 
-							// Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
-							//if (is_selected)
-							//	ImGui::SetItemDefaultFocus();
-							
-							// Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
-							//if (is_selected) ImGui::SetItemDefaultFocus();		
+						//Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
+						if (isSelected)
+							ImGui::SetItemDefaultFocus();					
+					 
 					}
-					FindClose(hFind);
-
 					ImGui::EndListBox();
 				}
 			} else {
 				ImGui::Text("cagaste");     
 			}
 			//ImGui::TreePop();
-			
+			filepickerFailure:
 			ImGui::End();
         
 		}
-
+		
+		
         // 3. Show another simple window.
         if (show_another_window)
         {