[nostalgia/studio] Switch file dialog to NFDE and add save file dialog

src/nostalgia/studio/CMakeLists.txt

@@ -12,8 +12,8 @@ add_executable(
 target_link_libraries(
 	nostalgia-studio
 		OxClArgs
-		NostalgiaCore-Studio
 		NostalgiaStudio
+		NostalgiaCore-Studio
 )
 
 if (CMAKE_BUILD_TYPE STREQUAL "Release")

src/nostalgia/studio/lib/CMakeLists.txt

@@ -1,12 +1,3 @@
-if(APPLE)
-	enable_language(OBJCXX)
-endif()
-
-if(NOT APPLE AND NOT WIN32)
-	find_package(PkgConfig REQUIRED)
-	pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
-endif()
-
 add_library(
 	NostalgiaStudio
 		configio.cpp
@@ -16,8 +7,7 @@ add_library(
 		task.cpp
 		undostack.cpp
 		widget.cpp
-		filedialog_gtk.cpp
-		$<$<BOOL:${APPLE}>:filedialog_mac.mm>
+		filedialog_nfd.cpp
 )
 
 if(NOT MSVC)
@@ -42,7 +32,7 @@ include_directories(
 
 target_link_libraries(
 	NostalgiaStudio PUBLIC
-		${GTK3_LIBRARIES}
+		nfd
 		OxEvent
 		NostalgiaCore
 )

src/nostalgia/studio/lib/filedialog.hpp

@@ -6,6 +6,13 @@
 
 namespace nostalgia::studio {
 
+struct FDFilterItem {
+	ox::String name;
+	ox::String spec;
+};
+
+ox::Result<ox::String> saveFile(const ox::Vector<FDFilterItem> &exts) noexcept;
+
 ox::Result<ox::String> chooseDirectory() noexcept;
 
 }

src/nostalgia/studio/lib/filedialog_gtk.cpp

@@ -1,41 +0,0 @@
-/*
- * Copyright 2016 - 2022 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#include <ox/std/defines.hpp>
-
-#if !defined(OX_OS_Windows) && !defined(OX_OS_Darwin)
-#include <gtk/gtk.h>
-
-#include <ox/std/defer.hpp>
-#include <ox/std/string.hpp>
-
-namespace nostalgia::studio {
-
-ox::Result<ox::String> chooseDirectory() noexcept {
-	ox::Result<ox::String> out;
-	const auto action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
-	gtk_init(nullptr, nullptr);
-	auto dialog = gtk_file_chooser_dialog_new("Open Project Directory", nullptr, action,
-	                                          ("_Cancel"), GTK_RESPONSE_CANCEL,
-	                                          ("_Open"), GTK_RESPONSE_ACCEPT,
-	                                          nullptr);
-	const auto res = gtk_dialog_run(GTK_DIALOG(dialog));
-	if (res == GTK_RESPONSE_ACCEPT) {
-		auto chooser = GTK_FILE_CHOOSER(dialog);
-		auto path = gtk_file_chooser_get_filename(chooser);
-		out = ox::String(path);
-		g_free(path);
-	} else {
-		out = OxError(1);
-	}
-	gtk_widget_destroy(dialog);
-	// for some reason we need to 4 iterations through the main loop to destroy the dialog
-	for (int i = 0; i < 4; ++i) {
-		gtk_main_iteration_do(false);
-	}
-	return out;
-}
-
-}
-#endif

src/nostalgia/studio/lib/filedialog_mac.mm

@@ -1,32 +0,0 @@
-/*
- * Copyright 2016 - 2022 gary@drinkingtea.net
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-#import <Cocoa/Cocoa.h>
-
-#include <ox/std/string.hpp>
-
-#include "filedialog.hpp"
-
-namespace nostalgia::studio {
-
-ox::Result<ox::String> chooseDirectory() noexcept {
-	auto panel = [NSOpenPanel openPanel];
-	[panel setAllowsMultipleSelection:NO];
-	[panel setCanChooseDirectories:YES];
-	[panel setCanChooseFiles:NO];
-	[panel setFloatingPanel:YES];
-	if ([panel runModal] == NSModalResponseOK) {
-		const auto url = [panel URL];
-		const auto urlStr = [url absoluteString];
-		const auto urlCStr = [urlStr UTF8String];
-		return ox::String(urlCStr).substr(7);
-	}
-	return OxError(1);
-}
-
-}

src/nostalgia/studio/lib/filedialog_nfd.cpp

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2016 - 2022 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#include <nfd.hpp>
+
+#include <ox/std/error.hpp>
+#include <ox/std/string.hpp>
+#include <ox/std/trace.hpp>
+
+#include "filedialog.hpp"
+
+namespace nostalgia::studio {
+
+static ox::Result<ox::String> toResult(nfdresult_t r, const NFD::UniquePathN &path) noexcept {
+	switch (r) {
+		case NFD_OKAY:
+			return ox::String(path.get());
+		case NFD_CANCEL:
+			return OxError(1, "Operation cancelled");
+		default:
+			return OxError(2, NFD::GetError());
+	}
+}
+
+ox::Result<ox::String> saveFile(const ox::Vector<FDFilterItem> &filters) noexcept {
+	NFD::Guard guard;
+	NFD::UniquePathN path;
+	ox::Vector<nfdnfilteritem_t, 5> filterItems(filters.size());
+	for (auto i = 0u; const auto &f : filters) {
+		filterItems[i] = {f.name.c_str(), f.spec.c_str()};
+		++i;
+	}
+	return toResult(NFD::SaveDialog(path, filterItems.data(), filterItems.size()), path);
+}
+
+ox::Result<ox::String> chooseDirectory() noexcept {
+	NFD::Guard guard;
+	NFD::UniquePathN path;
+	return toResult(NFD::PickFolder(path), path);
+}
+
+}