Files
SDRPlusPlus/core/src/gui/widgets/file_select.cpp
2021-02-11 15:29:51 +01:00

114 lines
3.4 KiB
C++

#include <gui/widgets/file_select.h>
#include <regex>
#include <options.h>
#include <filesystem>
FileSelect::FileSelect(std::string defaultPath) {
path = defaultPath;
pathValid = std::filesystem::is_regular_file(path);
strcpy(strPath, path.c_str());
}
bool FileSelect::render(std::string id) {
bool _pathChanged = false;
float menuColumnWidth = ImGui::GetContentRegionAvailWidth();
#ifdef _WIN32
float buttonWidth = ImGui::CalcTextSize("...").x + 20.0f;
bool lastPathValid = pathValid;
if (!lastPathValid) {
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.0f, 0.0f, 1.0f));
}
ImGui::SetNextItemWidth(menuColumnWidth - buttonWidth);
if (ImGui::InputText(id.c_str(), strPath, 2047)) {
path = std::string(strPath);
std::string expandedPath = expandString(strPath);
if (!std::filesystem::is_regular_file(expandedPath)) {
pathValid = false;
}
else {
pathValid = true;
_pathChanged = true;
}
}
if (!lastPathValid) {
ImGui::PopStyleColor();
}
ImGui::SameLine();
if (ImGui::Button(("..." + id + "_winselect").c_str(), ImVec2(buttonWidth - 8.0f, 0)) && !dialogOpen) {
dialogOpen = true;
if (workerThread.joinable()) { workerThread.join(); }
workerThread = std::thread(&FileSelect::windowsWorker, this);
}
#else
bool lastPathValid = pathValid;
if (!lastPathValid) {
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.0f, 0.0f, 1.0f));
}
ImGui::SetNextItemWidth(menuColumnWidth);
if (ImGui::InputText(id.c_str(), strPath, 2047)) {
path = std::string(strPath);
std::string expandedPath = expandString(strPath);
if (!std::filesystem::is_regular_file(expandedPath)) {
pathValid = false;
}
else {
pathValid = true;
_pathChanged = true;
}
}
if (!lastPathValid) {
ImGui::PopStyleColor();
}
#endif
_pathChanged |= pathChanged;
pathChanged = false;
return _pathChanged;
}
void FileSelect::setPath(std::string path) {
this->path = path;
pathValid = std::filesystem::is_regular_file(path);
strcpy(strPath, path.c_str());
}
std::string FileSelect::expandString(std::string input) {
input = std::regex_replace(input, std::regex("%ROOT%"), options::opts.root);
return std::regex_replace(input, std::regex("//"), "/");
}
bool FileSelect::pathIsValid() {
return pathValid;
}
#ifdef _WIN32
void FileSelect::setWindowsFilter(COMDLG_FILTERSPEC* filt, int n) {
filter = filt;
filterCount = n;
}
void FileSelect::windowsWorker() {
IFileOpenDialog *pFileOpen;
HRESULT hr;
// Create the FileOpenDialog object.
hr = CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_ALL, IID_IFileOpenDialog, reinterpret_cast<void**>(&pFileOpen));
if (filter != NULL) { pFileOpen->SetFileTypes(filterCount, filter); }
hr = pFileOpen->Show(NULL);
if (SUCCEEDED(hr)) {
PWSTR pszFilePath;
IShellItem *pItem;
hr = pFileOpen->GetResult(&pItem);
hr = pItem->GetDisplayName(SIGDN_FILESYSPATH, &pszFilePath);
wcstombs(strPath, pszFilePath, 2048);
CoTaskMemFree(pszFilePath);
path = std::string(strPath);
pathChanged = true;
}
pathValid = std::filesystem::is_regular_file(path);
dialogOpen = false;
}
#endif