[studio] Add FilePickerPopup

src/olympic/studio/modlib/include/studio/filepickerpopup.hpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#pragma once
+
+#include "popup.hpp"
+#include "filetreemodel.hpp"
+
+namespace studio {
+
+class FilePickerPopup {
+
+	private:
+		ox::String m_name;
+		FileExplorer m_explorer;
+		ox::Vector<ox::String> const m_fileExts;
+		bool m_open{};
+
+	public:
+		explicit FilePickerPopup(ox::StringParam name, keel::Context &kctx, ox::StringParam fileExt) noexcept;
+
+		explicit FilePickerPopup(ox::StringParam name, keel::Context &kctx, ox::Vector<ox::String> fileExts) noexcept;
+
+		void refresh() noexcept;
+
+		void open() noexcept;
+
+		void close() noexcept;
+
+		[[nodiscard]]
+		bool isOpen() const noexcept;
+
+		ox::Optional<ox::String> draw(StudioContext &ctx) noexcept;
+
+};
+
+}

src/olympic/studio/modlib/include/studio/filetreemodel.hpp

@@ -15,7 +15,7 @@
 
 namespace studio {
 
-constexpr void safeDelete(class FileTreeModel *m) noexcept;
+constexpr void safeDelete(class FileTreeModel const *m) noexcept;
 
 class FileExplorer: public ox::SignalHandler {
 
@@ -32,8 +32,6 @@ class FileExplorer: public ox::SignalHandler {
 			m_kctx{kctx},
 			m_fileDraggable{fileDraggable} {}
 
-		virtual ~FileExplorer() = default;
-
 		void draw(StudioContext &ctx, ImVec2 const &sz) const noexcept;
 
 		void setModel(ox::UPtr<FileTreeModel> &&model, bool selectRoot = false) noexcept;
@@ -45,6 +43,8 @@ class FileExplorer: public ox::SignalHandler {
 
 		virtual void fileOpened(ox::StringViewCR path) const noexcept;
 
+		virtual void fileDeleted(ox::StringViewCR path) const noexcept;
+
 		void drawFileContextMenu(ox::CStringViewCR path) const noexcept;
 
 		void drawDirContextMenu(ox::CStringViewCR path) const noexcept;
@@ -116,7 +116,7 @@ class FileTreeModel {
 
 };
 
-constexpr void safeDelete(FileTreeModel *m) noexcept {
+constexpr void safeDelete(FileTreeModel const *m) noexcept {
 	delete m;
 }
 

src/olympic/studio/modlib/include/studio/imguiutil.hpp

@@ -155,6 +155,23 @@ TextInput<ox::IString<MaxChars>> InputText(
 	return out;
 }
 
+template<size_t MaxChars = 50>
+TextInput<ox::IString<MaxChars>> InputTextWithHint(
+		ox::CStringViewCR label,
+		ox::CStringViewCR hint,
+		ox::StringViewCR currentText,
+		ImGuiInputTextFlags const flags = 0,
+		ImGuiInputTextCallback const callback = nullptr,
+		void *user_data = nullptr) noexcept {
+	TextInput<ox::IString<MaxChars>> out = {.text = currentText};
+	out.changed = ImGui::InputTextWithHint(
+			label.c_str(), hint.c_str(), out.text.data(), MaxChars + 1, flags, callback, user_data);
+	if (out.changed) {
+		std::ignore = out.text.unsafeResize(ox::strlen(out.text.c_str()));
+	}
+	return out;
+}
+
 template<size_t StrCap>
 bool InputText(
 	ox::CStringViewCR label,