Hane/ImGuiFilePicker
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This commit is contained in:
OugonNoHane 2022-10-27 19:50:46 +02:00
commit 54bd3a914e
1 changed files with 45 additions and 14 deletions
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59
main.cpp
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@ -23,17 +23,25 @@ static void glfw_error_callback(int error, const char* description)
fprintf(stderr, "Glfw Error %d: %s\n", error, description); fprintf(stderr, "Glfw Error %d: %s\n", error, description);
} }
/* FILE PICKER MOMENTO */
bool retrieveCurrentDirectory(char** currentPath){ bool retrieveCurrentDirectory(char** currentPath){
if(GetCurrentDirectory(MAX_PATH, *currentPath)) return true; if(GetCurrentDirectory(MAX_PATH, *currentPath)) return true;
return false; return false;
} }
bool moveDirectory(char** currentPath){
if(SetCurrentDirectory(*currentPath)) return true;
return false;
}
int listDirectory(std::string path, std::vector<char*> *directoryContents){ int listDirectory(std::string path, std::vector<char*> *directoryContents){
HANDLE hFind = INVALID_HANDLE_VALUE; HANDLE hFind = INVALID_HANDLE_VALUE;
WIN32_FIND_DATA ffd; WIN32_FIND_DATA ffd;
LARGE_INTEGER filesize; LARGE_INTEGER filesize;
int numFiles = 0; int numFiles = 0;
if (path.length() > (MAX_PATH - 3)) return -1; if (path.length() > (MAX_PATH - 3)) return -1;
path = path + "\\*"; path = path + "\\*";
hFind = FindFirstFile(path.c_str(), &ffd); hFind = FindFirstFile(path.c_str(), &ffd);
@ -54,12 +62,12 @@ int listDirectory(std::string path, std::vector<char*> *directoryContents){
} while (ffd.cFileName[idx]); } while (ffd.cFileName[idx]);
if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
strcat(itemPath, " <DIR>"); //strcat(itemPath, " <DIR>");
} else { } else {
filesize.QuadPart = ((ffd.nFileSizeHigh * (MAXDWORD+1)) + ffd.nFileSizeLow); // filesize.QuadPart = ((ffd.nFileSizeHigh * (MAXDWORD+1)) + ffd.nFileSizeLow);
char buf[16]; buf[0] = ' '; // char buf[16]; buf[0] = ' ';
itoa(filesize.QuadPart, buf + 1 , 10 ); // itoa(filesize.QuadPart, buf + 1 , 10 );
strcat(itemPath, buf); // strcat(itemPath, buf);
} }
numFiles++; numFiles++;
@ -68,6 +76,7 @@ int listDirectory(std::string path, std::vector<char*> *directoryContents){
return numFiles; return numFiles;
} }
/* FIN FILE PICKER MOMENTO */
@ -188,28 +197,50 @@ int main(int, char**)
{ {
ImGui::Begin("File Picker in 4K"); ImGui::Begin("File Picker in 4K");
//cursed C momento //cursed C momento: necesario ptr en otra var para mandar a char** de firma
static bool renderList = true;
static char currentPath[MAX_PATH]; static char currentPath[MAX_PATH];
char* ptr = &currentPath[0]; static char* ptr = &currentPath[0];
static int currentItemIdx = 0; static int currentItemIdx = -1;
static std::vector<char*> displayContents;
std::vector<char*> directoryContents; std::vector<char*> directoryContents;
ImGui::Text("%s primir", currentPath);
static int numFiles = 0;
if(!retrieveCurrentDirectory(&ptr)) goto filepickerFailure; if(renderList) {
renderList = false;
if(!retrieveCurrentDirectory(&ptr))
goto filepickerFailure;
//
numFiles = (listDirectory(std::string(currentPath), &directoryContents));
//std::cout << numFiles;
if (numFiles < 0)
goto filepickerFailure;
displayContents = std::move(directoryContents);
}
if(int numFiles = (listDirectory(".", &directoryContents))){ if(numFiles > 0){
ImGui::Text("Select a file:"); ImGui::Text("Select a file:");
//TODO quitar
ImGui::Text("%s %d", currentPath, currentItemIdx);
if (ImGui::BeginListBox("fpLb", ImVec2(-FLT_MIN, 25 * ImGui::GetTextLineHeightWithSpacing()))){ if (ImGui::BeginListBox("fpLb", ImVec2(-FLT_MIN, 25 * ImGui::GetTextLineHeightWithSpacing()))){
for (int i = 0; i < numFiles; i++) { for (int i = 0; i < numFiles; i++) {
// ImGui::Selectable(directoryContents.at(i), false); // ImGui::Selectable(directoryContents.at(i), false);
const bool isSelected = (currentItemIdx == i); const bool isSelected = (currentItemIdx == i);
if (ImGui::Selectable(directoryContents.at(i), isSelected)) if (ImGui::Selectable(displayContents.at(i), isSelected))
currentItemIdx = i; currentItemIdx = i;
//Set the initial focus when opening the combo (scrolling + keyboard navigation focus) //Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
if (isSelected) if (isSelected) {
ImGui::SetItemDefaultFocus(); strcat(currentPath, "\\");
strcat(currentPath, displayContents.at(i));
moveDirectory(&ptr);
currentItemIdx = -1;
renderList = true;
}
//ImGui::SetItemDefaultFocus();
} }
ImGui::EndListBox(); ImGui::EndListBox();