feat: add dialog handler for ModMan

src/ModMan/Web/Platform/Linux/DialogHandlerLinux.cpp

@@ -0,0 +1,92 @@
+#include "DialogHandlerLinux.h"
+
+#ifdef __linux__
+
+#include <gtk/gtk.h>
+
+using namespace PLATFORM_NAMESPACE_LINUX;
+
+namespace
+{
+    bool InitGtk()
+    {
+#if GTK_MAJOR_VERSION >= 4
+        return gtk_init_check();
+#else
+        return gtk_init_check(nullptr, nullptr);
+#endif
+    }
+
+    void OpenFileDialog()
+    {
+#ifdef GDK_AVAILABLE_IN_4_10
+        auto* dialog = gtk_file_dialog_new();
+
+        gtk_file_dialog_open(dialog, nullptr, nullptr, [](GObject      *source,
+               GAsyncResult *result,
+               gpointer      user_data
+            ) -> void {
+
+               }, nullptr
+            );
+
+        g_object_unref(dialog);
+#endif
+    }
+
+    bool SetFilters(void* pFileOpen, const std::vector<FileDialogFilter>& filters)
+    {
+        if (filters.empty())
+            return true;
+
+        return false;
+    }
+
+    std::optional<std::string> ShowFileDialog()
+    {
+        std::optional<std::string> result = std::nullopt;
+
+        return result;
+    }
+} // namespace
+
+namespace PLATFORM_NAMESPACE_LINUX
+{
+    FileDialogFilter::FileDialogFilter(std::string name, std::string filter)
+        : m_name(std::move(name)),
+          m_filter(std::move(filter))
+    {
+    }
+
+    FileDialog::FileDialog() = default;
+
+    void FileDialog::AddFilter(std::string name, std::string filter)
+    {
+        m_filters.emplace_back(std::move(name), std::move(filter));
+    }
+
+    OpenFileDialog::OpenFileDialog() = default;
+
+    std::optional<std::string> OpenFileDialog::Open() const
+    {
+        if (!InitGtk())
+            return std::nullopt;
+
+        return std::nullopt;
+    }
+
+    SaveFileDialog::SaveFileDialog() = default;
+
+    std::optional<std::string> SaveFileDialog::Open() const
+    {
+        return std::nullopt;
+    }
+
+    FolderSelectDialog::FolderSelectDialog() = default;
+
+    std::optional<std::string> FolderSelectDialog::Open() const
+    {
+        return std::nullopt;
+    }
+} // namespace PLATFORM_NAMESPACE_LINUX
+#endif