impl historial y adminrigh error

main.cpp

@@ -6,6 +6,7 @@
 #define IMGUI_IMPLEMENTATION
 #define GL_SILENCE_DEPRECATION
 
+//DEBUG MACRO
 #define log_debugc(str, ...) do { if (debug) fprintf(stdout, "[DEBUG] (%s:%d): " (str) "\n", __FILE__, __LINE__, ##__VA_ARGS__); } while (0)
 #define log_debugcpp(str) do { \
 	if (debug) std::cout << "[DEBUG]" << "(" << __FILE__ << ":" << __LINE__ << "): " << str << std::endl; \
@@ -14,10 +15,14 @@
 #define log_volume(str) if(debugVerbosity & DEBUG_VOLUME) log_debugcpp((str)) 
 #define log_extension(str) if(debugVerbosity & DEBUG_EXTENSION) log_debugcpp((str))   	
 	
-
+//PATH MACRO
 #define MAX_LISTDIR_PATH_LENGTH (MAX_PATH - 3)
 #define MAX_ERRORSTR_LEN 512
 
+//HISTORY HANDLING MACRO
+#define MIN_HISTORY_POS history->historyTraversalPos <= 0
+#define MAX_HISTORY_POS history->historyTraversalPos >= history->historyDepth
+
 #include "imgui/misc/single_file/imgui_single_file.h"
 #include <iostream>
 #include <vector>
@@ -61,20 +66,49 @@ typedef struct {
   
 } directoriesInfo;
 
-struct ErrorMessages{
+struct History{
-	const std::string addrBarError = "Failed to open folder: invalid path";
+	std::vector<char*> previousPaths;
-	const std::string tableElementError = "Failed to open folder: access restricted to non-admin users";
+	//TODO C++ david momento
-	const std::string listDirectoryError = "Failed to open folder: access denied";
+	//int historyDepth = -1;
-	const std::string moveUpError = "Failed to move up: reached volume root?";
+	int historyDepth;
+	int historyTraversalPos;
+	bool isAdditionTime;
+	
+	History(){
+		historyTraversalPos = historyDepth = -1;
+		isAdditionTime = true;
+	}
+};
+
+enum HistoryMovement {
+	HISTORY_FORWARD = 1,
+	HISTORY_BACKWARD = 0
+};
+
+enum ListDirectoryError {
+	DIRECTORY_ERROR_PATH_TOO_LONG = -1,
+	DIRECTORY_ERROR_ACCESSING_CONTENT = -2
+};
+
+enum agnosticDirError {
+	AGDIR_ERROR_ACCESS_DENIED = 1
 };
 
 // struct ErrorMessages{
-	// static constexpr char addrBarError[] = "Failed to open folder: invalid path";
+	// const std::string addrBarError = "Failed to open folder: invalid path";
-	// static constexpr char tableElementError[] = "Failed to open folder: access restricted to non-admin users";
+	// const std::string tableElementError = "Failed to open folder: access restricted to non-admin users";
-	// static constexpr char listDirectoryError[] = "Failed to open folder: access denied";
+	// const std::string listDirectoryError = "Failed to open folder: access denied";
-	// static constexpr char moveUpError[] = "Failed to move up: reached volume root?";
+	// const std::string moveUpError = "Failed to move up: reached volume root?";
 // };
 
+namespace ErrorMessages {
+	char addrBarError[] = "Failed to open folder: invalid path";
+	char tableElementError[] = "Failed to open folder: access restricted to non-admin users";
+	char accessDeniedError[] = "Failed to open folder: access denied";
+	char listDirectoryError[] = "Failed to open folder: unknown error";
+	char moveUpError[] = "Failed to move up: reached volume root?";
+};
+
 //TODO UNICORDEO
 /*				FILE PICKER MOMENTO				*/
 
@@ -99,10 +133,10 @@ int listDirectory(std::string path, std::vector<directoriesInfo*> *directoryCont
 	LARGE_INTEGER filesize;
 	int numFiles = 0;
 	
-	if (path.length() > (MAX_LISTDIR_PATH_LENGTH)) return -1;
+	if (path.length() > (MAX_LISTDIR_PATH_LENGTH)) return DIRECTORY_ERROR_PATH_TOO_LONG;
 	path = path + "\\*";
 	hFind = FindFirstFile(path.c_str(), &ffd);
-	if (INVALID_HANDLE_VALUE == hFind) return -2;
+	if (INVALID_HANDLE_VALUE == hFind) return DIRECTORY_ERROR_ACCESSING_CONTENT;
 	do {
 		if(!strcmp(ffd.cFileName, ".") || !strcmp(ffd.cFileName, "..")) continue;
 		log_debugcpp("BUCLE listDirectory iteracion " + std::to_string(numFiles));
@@ -141,6 +175,18 @@ int listDirectory(std::string path, std::vector<directoriesInfo*> *directoryCont
 	return numFiles;
 }	
 
+long getLastDirectorySystemError(){
+	long winLastError = GetLastError();
+	switch(winLastError){
+		case ERROR_ACCESS_DENIED:
+			return AGDIR_ERROR_ACCESS_DENIED;
+			break;
+		default:
+			return -1;
+			break;
+	}
+}
+
 /*				VOLUMES				*/
 
 //new char*[CharCount * sizeof(WCHAR)
@@ -166,7 +212,7 @@ int explodePaths(TCHAR* volumePaths, int volumePathsBufferSize, char separator,
 	}
 	itemPath[pathLengthIdx + 1] = '\0';
 	dest->push_back(itemPath);
-	//TODO concat de puto C 
+	
 	log_debugcpp(dest->at(dest->size() - 1) << " EXPLODEPATH");
 
 	if (nextOcurrence[0] == nextOcurrence[1]) return depth;
@@ -198,7 +244,7 @@ int listVolumes(std::vector<char*> *onPresentPaths){
 			if (volumePathLength == 1) { if (debug) std::cout << "Skill Issue" << std::endl; continue; }
 			log_debugcpp(volumeName);
 			
-			//pathSchecker
+			//DEBUG: pathSchecker
 			// if (debug && volumePaths[0] == 'E') { 
 				// std::cout << volumePathLength << std::endl; 
 				// /*exit(1);*/ 
@@ -260,18 +306,54 @@ bool inputMove(bool* error, char** str){
 	return true;
 }
 
-void handleFolderAccessResult(bool isListDirectoriesAdequate, char* currentPath, char* addrBarVal, char* errorDest, const char* errorContent){
+void handleFolderAccessResult(bool isListDirectoriesAdequate, char* currentPath, \
-	if (isListDirectoriesAdequate) strcpy(currentPath, addrBarVal);
+							char* addrBarVal, char* errorDest, const char* errorContent, History* history){
+	if (isListDirectoriesAdequate) { strcpy(currentPath, addrBarVal); history->isAdditionTime = true; }
 	else strcpy(addrBarVal, currentPath);
 	strcpy(errorDest, errorContent);
 }
 
+/*					HISTORIAL					*/
+
+void addPathToHistory(History *history, char* pathToAdd){
+	char* path;
+	int ajjj = history->previousPaths.size(); 
+	if (history->historyTraversalPos + 1 >= ajjj){
+		path = (char*)calloc(1, MAX_PATH);
+		history->previousPaths.push_back(path);
+	} else {
+		path = history->previousPaths.at(history->historyTraversalPos + 1);
+	}
+	strncpy(path, pathToAdd, MAX_PATH);
+	history->historyTraversalPos++;
+	history->historyDepth = history->historyTraversalPos;
+	history->isAdditionTime = false;
+}
+
+char** moveThroughHistory(History *history, HistoryMovement movement){
+	switch(movement){
+	case HISTORY_BACKWARD:
+		if(MIN_HISTORY_POS) 
+			return &history->previousPaths.at(history->historyTraversalPos);
+		history->historyTraversalPos--;
+		return &history->previousPaths.at(history->historyTraversalPos);
+		break;
+	case HISTORY_FORWARD:
+		if(MAX_HISTORY_POS) 
+			return &history->previousPaths.at(history->historyDepth);
+		history->historyTraversalPos++;
+		return &history->previousPaths.at(history->historyTraversalPos);
+		break;
+	default:
+		return &history->previousPaths.at(history->historyDepth);
+	}
+}
+
 	
 /*			FIN	FILE PICKER MOMENTO				*/
 
 
-int main(int, char**)
+int main(int, char**) {
-{
     // Setup window
     glfwSetErrorCallback(glfw_error_callback);
     if (!glfwInit())
@@ -387,9 +469,10 @@ int main(int, char**)
 		{
 		    ImGui::Begin("File Picker in 4K");        
 			
+			//TODO is dis bector in hipp?
+			static History* history = new History();
 			static bool showError = false;
 			static char error[MAX_ERRORSTR_LEN];			
-			static ErrorMessages eMsg;
 			static bool isListVolumesAdequate = true;
 			static bool isListDirectoriesAdequate = true;
 			
@@ -432,18 +515,46 @@ int main(int, char**)
 				numFiles = listDirectory(std::string(currentPath), &directoryContents);
 				//std::cout << numFiles;
 				if (numFiles < 0) {
+					//TODO quitar GetLastError() de aqui
+					long directoryErrorCode;
 					log_debugcpp("FALLO LA FUNCION, VALOR NEGATIVO " + std::to_string(numFiles));
+					if (numFiles == DIRECTORY_ERROR_ACCESSING_CONTENT) directoryErrorCode = getLastDirectorySystemError();
 					showError = true;
-					strcpy(error, eMsg.listDirectoryError.c_str());
+					switch(directoryErrorCode) {
+						case AGDIR_ERROR_ACCESS_DENIED:
+						strcpy(error, ErrorMessages::accessDeniedError);
+						strcpy(addrBarVal, history->previousPaths.at(history->historyTraversalPos));
+						strcpy(currentPath, history->previousPaths.at(history->historyTraversalPos));
+						numFiles = listDirectory(history->previousPaths.at(history->historyTraversalPos), &directoryContents);
+						break;
+						default:
+						strcpy(error, ErrorMessages::listDirectoryError);
 						strcpy(currentPath, addrBarVal);
 						numFiles = listDirectory(std::string(currentPath), &directoryContents);
+						history->isAdditionTime = false;
+						break;
+					} 
+					history->isAdditionTime = false;
 				} else {
 					showError = false;
 					strcpy(addrBarVal, currentPath);
+					if(history->isAdditionTime) addPathToHistory(history, addrBarVal);
 				}
 			}
 			
-			//It's renderin' time
+			/*
+			
+			
+			
+			
+			
+			It's renderin' time
+			
+			
+			
+			
+			
+			*/
 			static bool showHidden = false;
 			static bool filterByExtension = false;
 			static std::vector<std::string> extensions;
@@ -454,32 +565,54 @@ int main(int, char**)
 
 			ImGui::Text("Select a file:");
 			
-			//Permanentes e increiblemente utilitarios botones en Cuatro K: MOVE UP
+			//Permanentes e increiblemente utilitarios botones en Cuatro K: BACK
+			ImGui::BeginDisabled(MIN_HISTORY_POS);
+			if(ImGui::Button("Back")) {
+				char** interfaceMovementButtonsPath = moveThroughHistory(history, HISTORY_BACKWARD);
+				isListDirectoriesAdequate = inputMove(&showError, interfaceMovementButtonsPath);
+				//TODO: ERROR
+				strcpy(error, ErrorMessages::moveUpError);
+			}
+			ImGui::EndDisabled();
+			//FORWARD
+			ImGui::SameLine();
+			ImGui::BeginDisabled(MAX_HISTORY_POS);
+			if(ImGui::Button("Forward")) {
+				char** interfaceMovementButtonsPath = moveThroughHistory(history, HISTORY_FORWARD);
+				isListDirectoriesAdequate = inputMove(&showError, interfaceMovementButtonsPath);
+				strcpy(error, ErrorMessages::moveUpError);
+			}
+			ImGui::EndDisabled();
+			
+			//MOVE UP
+			ImGui::SameLine();
 			//c pervirtio con unicode std::wstring s(L"←→↑↓");
 			static char moveUp[] = "..";
 			static char* moveUpPtr = &moveUp[0];
 			if(ImGui::Button("Move Up")) {
 				isListDirectoriesAdequate = inputMove(&showError, (&moveUpPtr));
-				strcpy(error, eMsg.moveUpError.c_str());
+				strcpy(error, ErrorMessages::moveUpError);
+				history->isAdditionTime = true;
 			}
 			
 			ImGui::SameLine();
 			//BARRA DE DIRECCIONES
+			//TODO a point
 			ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x - (ImGui::CalcTextSize("Enter").x + ImGui::GetStyle().ItemSpacing.x * 2) );
 			if(ImGui::InputText("##addrbar", addrBarVal, IM_ARRAYSIZE(addrBarVal), ImGuiInputTextFlags_EnterReturnsTrue )){
 				log_debugcpp(currentPath <<" ADDRBAR INTENTO");
 				isListDirectoriesAdequate = inputMove(&showError, &addrBarValPtr);
-				handleFolderAccessResult(isListDirectoriesAdequate, currentPath, addrBarVal, error, eMsg.addrBarError.c_str());
+				handleFolderAccessResult(isListDirectoriesAdequate, currentPath, addrBarVal, error, ErrorMessages::addrBarError, history);
 			};
 			ImGui::PopItemWidth();
 			ImGui::SameLine();
 			if(ImGui::Button("Enter")){
 				log_debugcpp(currentPath <<" ADDRBAR INTENTO");
 				isListDirectoriesAdequate = inputMove(&showError, &addrBarValPtr);
-				handleFolderAccessResult(isListDirectoriesAdequate, currentPath, addrBarVal, error, eMsg.addrBarError.c_str());
+				handleFolderAccessResult(isListDirectoriesAdequate, currentPath, addrBarVal, error, ErrorMessages::addrBarError, history);
 			}
 			//ImGui::Text("%s TEMPADDRBAR", currentPath);
-			log_debugcpp(currentPath <<" LEMISIIMIA");
+			
 			//LA GRAN TABLACIÓN: ACTOR EN LAS SOMBRAS
 			static ImGuiTableFlags splitterTableFlags = ImGuiTableFlags_Resizable | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV; 
 			if (ImGui::BeginTable("##splitterTable", 2, splitterTableFlags, ImVec2(-FLT_MIN, 0.8f * ImGui::GetTextLineHeightWithSpacing()))){
@@ -504,6 +637,7 @@ int main(int, char**)
 							ImGui::PushStyleColor(ImGuiCol_ButtonActive, (ImVec4)ImColor::HSV(i / 7.0f, 0.8f, 0.8f));
 							if(ImGui::Button(onPresentPaths.at(i))){
 								isListDirectoriesAdequate = inputMove(&showError, &onPresentPaths.at(i));
+								history->isAdditionTime = true;
 							}
 							ImGui::PopStyleColor(3);
 							if (i != onPresentPaths.size() - 1) ImGui::TableNextRow();
@@ -545,7 +679,7 @@ int main(int, char**)
 							strcat(addrBarVal, "\\");
 							strcat(addrBarVal, directoryContents.at(idx)->name);
 							isListDirectoriesAdequate = inputMove(&showError, &addrBarValPtr);
-							handleFolderAccessResult(isListDirectoriesAdequate, currentPath, addrBarVal, error, eMsg.tableElementError.c_str());
+							handleFolderAccessResult(isListDirectoriesAdequate, currentPath, addrBarVal, error, ErrorMessages::tableElementError, history);
 							//currentItemIdx = -1;
 						}
 						ImGui::TableNextColumn();