FullscreenUI: Use native file selector on Flatpak

pcsx2-gsrunner/Main.cpp

@@ -34,6 +34,7 @@
 #include "pcsx2/Host.h"
 #include "pcsx2/INISettingsInterface.h"
 #include "pcsx2/ImGui/FullscreenUI.h"
+#include "pcsx2/ImGui/ImGuiFullscreen.h"
 #include "pcsx2/ImGui/ImGuiManager.h"
 #include "pcsx2/Input/InputManager.h"
 #include "pcsx2/MTGS.h"
@@ -272,7 +273,7 @@ void Host::BeginPresentFrame()
 
 		const bool idle_frame = s_total_frames && (last_draws == s_total_internal_draws && last_uploads == s_total_uploads);
 
-		if(!idle_frame)
+		if (!idle_frame)
 			s_total_drawn_frames++;
 
 		s_total_frames++;
@@ -399,6 +400,17 @@ void Host::OnCreateMemoryCardOpenRequested()
 	// noop
 }
 
+bool Host::ShouldPreferHostFileSelector()
+{
+	return false;
+}
+
+void Host::OpenHostFileSelectorAsync(std::string_view title, bool select_directory, FileSelectorCallback callback,
+	FileSelectorFilters filters, std::string_view initial_directory)
+{
+	callback(std::string());
+}
+
 std::optional<u32> InputManager::ConvertHostKeyboardStringToCode(const std::string_view& str)
 {
 	return std::nullopt;
@@ -538,7 +550,7 @@ bool GSRunner::ParseCommandLineArgs(int argc, char* argv[], VMBootParameters& pa
 
 				s_settings_interface.SetBoolValue("EmuCore/GS", "UserHacks", true);
 
-				if(str.find("af") != std::string::npos)
+				if (str.find("af") != std::string::npos)
 					s_settings_interface.SetBoolValue("EmuCore/GS", "UserHacks_AutoFlush", true);
 				if (str.find("cpufb") != std::string::npos)
 					s_settings_interface.SetBoolValue("EmuCore/GS", "UserHacks_CPU_FB_Conversion", true);
@@ -834,7 +846,7 @@ int wmain(int argc, wchar_t** argv)
 	u8_args.reserve(static_cast<size_t>(argc));
 	for (int i = 0; i < argc; i++)
 		u8_args.push_back(StringUtil::WideStringToUTF8String(argv[i]));
-	
+
 	std::vector<char*> u8_argptrs;
 	u8_argptrs.reserve(u8_args.size());
 	for (int i = 0; i < argc; i++)

pcsx2-gsrunner/pcsx2-gsrunner.vcxproj

@@ -36,6 +36,7 @@
     <ClCompile>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(SolutionDir)3rdparty\fmt\fmt\include</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(SolutionDir)3rdparty\include</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(SolutionDir)3rdparty\imgui\include</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(SolutionDir)3rdparty\rapidyaml\rapidyaml\ext\c4core\src\c4\ext\fast_float\include;</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(SolutionDir)3rdparty\simpleini\include</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(SolutionDir)pcsx2</AdditionalIncludeDirectories>

pcsx2-qt/QtHost.cpp

@@ -24,6 +24,7 @@
 #include "pcsx2/Host.h"
 #include "pcsx2/INISettingsInterface.h"
 #include "pcsx2/ImGui/FullscreenUI.h"
+#include "pcsx2/ImGui/ImGuiFullscreen.h"
 #include "pcsx2/ImGui/ImGuiManager.h"
 #include "pcsx2/ImGui/ImGuiOverlays.h"
 #include "pcsx2/Input/InputManager.h"
@@ -46,6 +47,7 @@
 #include <QtCore/QTimer>
 #include <QtWidgets/QApplication>
 #include <QtWidgets/QMessageBox>
+#include <QtWidgets/QFileDialog>
 #include <QtGui/QClipboard>
 #include <QtGui/QInputMethod>
 
@@ -1152,6 +1154,59 @@ void Host::OnCreateMemoryCardOpenRequested()
 	emit g_emu_thread->onCreateMemoryCardOpenRequested();
 }
 
+bool Host::ShouldPreferHostFileSelector()
+{
+#ifdef __linux__
+	// If running inside a flatpak, we want to use native selectors/portals.
+	return (std::getenv("container") != nullptr);
+#else
+	return false;
+#endif
+}
+
+void Host::OpenHostFileSelectorAsync(std::string_view title, bool select_directory, FileSelectorCallback callback,
+	FileSelectorFilters filters, std::string_view initial_directory)
+{
+	const bool from_cpu_thread = g_emu_thread->isOnEmuThread();
+
+	QString filters_str;
+	if (!filters.empty())
+	{
+		filters_str.append(QStringLiteral("All File Types (%1)")
+							   .arg(QString::fromStdString(StringUtil::JoinString(filters.begin(), filters.end(), " "))));
+		for (const std::string& filter : filters)
+		{
+			filters_str.append(
+				QStringLiteral(";;%1 Files (%2)")
+					.arg(
+						QtUtils::StringViewToQString(std::string_view(filter).substr(filter.starts_with("*.") ? 2 : 0)).toUpper())
+					.arg(QString::fromStdString(filter)));
+		}
+	}
+
+	QtHost::RunOnUIThread([title = QtUtils::StringViewToQString(title), select_directory, callback = std::move(callback),
+							  filters_str = std::move(filters_str),
+							  initial_directory = QtUtils::StringViewToQString(initial_directory),
+							  from_cpu_thread]() mutable {
+		auto lock = g_main_window->pauseAndLockVM();
+
+		QString path;
+
+		if (select_directory)
+			path = QFileDialog::getExistingDirectory(lock.getDialogParent(), title, initial_directory);
+		else
+			path = QFileDialog::getOpenFileName(lock.getDialogParent(), title, initial_directory, filters_str);
+
+		if (!path.isEmpty())
+			path = QDir::toNativeSeparators(path);
+
+		if (from_cpu_thread)
+			Host::RunOnCPUThread([callback = std::move(callback), path = path.toStdString()]() { callback(path); });
+		else
+			callback(path.toStdString());
+	});
+}
+
 void Host::PumpMessagesOnCPUThread()
 {
 	g_emu_thread->getEventLoop()->processEvents(QEventLoop::AllEvents);
@@ -1255,9 +1310,9 @@ bool QtHost::InitializeConfig()
 		QMessageBox::critical(
 			nullptr, QStringLiteral("PCSX2"),
 			QStringLiteral("Failed to create data directory at path\n\n%1\n\n"
-				"The error was: %2\n"
-				"Please ensure this directory is writable. You can also try portable mode "
-				"by creating portable.txt in the same directory you installed PCSX2 into.")
+						   "The error was: %2\n"
+						   "Please ensure this directory is writable. You can also try portable mode "
+						   "by creating portable.txt in the same directory you installed PCSX2 into.")
 				.arg(QString::fromStdString(EmuFolders::DataRoot))
 				.arg(QString::fromStdString(error.GetDescription())));
 		return false;

pcsx2/ImGui/ImGuiFullscreen.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2002-2023 PCSX2 Dev Team
+// SPDX-FileCopyrightText: 2002-2024 PCSX2 Dev Team
 // SPDX-License-Identifier: LGPL-3.0+
 
 #define IMGUI_DEFINE_MATH_OPERATORS
@@ -9,6 +9,7 @@
 #include "GS/Renderers/Common/GSTexture.h"
 #include "ImGui/ImGuiAnimated.h"
 #include "ImGui/ImGuiFullscreen.h"
+#include "ImGui/ImGuiManager.h"
 
 #include "common/Assertions.h"
 #include "common/Console.h"
@@ -1871,7 +1872,7 @@ void ImGuiFullscreen::PopulateFileSelectorItems()
 			{
 				if (s_file_selector_filters.empty() ||
 					std::none_of(s_file_selector_filters.begin(), s_file_selector_filters.end(),
-						[&fd](const std::string& filter) { return StringUtil::WildcardMatch(fd.FileName.c_str(), filter.c_str()); }))
+						[&fd](const std::string& filter) { return StringUtil::WildcardMatch(fd.FileName.c_str(), filter.c_str(), false); }))
 				{
 					continue;
 				}
@@ -1900,6 +1901,16 @@ bool ImGuiFullscreen::IsFileSelectorOpen()
 void ImGuiFullscreen::OpenFileSelector(std::string_view title, bool select_directory, FileSelectorCallback callback,
 	FileSelectorFilters filters, std::string initial_directory)
 {
+	if (initial_directory.empty() || !FileSystem::DirectoryExists(initial_directory.c_str()))
+		initial_directory = FileSystem::GetWorkingDirectory();
+
+	if (Host::ShouldPreferHostFileSelector())
+	{
+		Host::OpenHostFileSelectorAsync(ImGuiManager::StripIconCharacters(title), select_directory, std::move(callback),
+			std::move(filters), initial_directory);
+		return;
+	}
+
 	if (s_file_selector_open)
 		CloseFileSelector();
 
@@ -1909,8 +1920,6 @@ void ImGuiFullscreen::OpenFileSelector(std::string_view title, bool select_direc
 	s_file_selector_callback = std::move(callback);
 	s_file_selector_filters = std::move(filters);
 
-	if (initial_directory.empty() || !FileSystem::DirectoryExists(initial_directory.c_str()))
-		initial_directory = FileSystem::GetWorkingDirectory();
 	SetFileSelectorDirectory(std::move(initial_directory));
 	QueueResetFocus();
 }

pcsx2/ImGui/ImGuiFullscreen.h

@@ -264,3 +264,17 @@ namespace ImGuiFullscreen
 	void GetFileSelectorHelpText(SmallStringBase& dest);
 	void GetInputDialogHelpText(SmallStringBase& dest);
 } // namespace ImGuiFullscreen
+
+// Host UI triggers from Big Picture mode.
+namespace Host
+{
+	/// Returns true if native file dialogs should be preferred over Big Picture.
+	bool ShouldPreferHostFileSelector();
+
+	/// Opens a file selector dialog.
+	using FileSelectorCallback = std::function<void(const std::string& path)>;
+	using FileSelectorFilters = std::vector<std::string>;
+	void OpenHostFileSelectorAsync(std::string_view title, bool select_directory, FileSelectorCallback callback,
+		FileSelectorFilters filters = FileSelectorFilters(),
+		std::string_view initial_directory = std::string_view());
+} // namespace Host

pcsx2/ImGui/ImGuiManager.cpp

@@ -1061,3 +1061,25 @@ void ImGuiManager::SetSoftwareCursorPosition(u32 index, float pos_x, float pos_y
 	sc.pos.first = pos_x;
 	sc.pos.second = pos_y;
 }
+
+std::string ImGuiManager::StripIconCharacters(std::string_view str)
+{
+	std::string result;
+	result.reserve(str.length());
+
+	for (size_t offset = 0; offset < str.length();)
+	{
+		char32_t utf;
+		offset += StringUtil::DecodeUTF8(str, offset, &utf);
+
+		// icon if outside BMP/SMP/TIP, or inside private use area
+		if (utf > 0x32FFF || (utf >= 0xE000 && utf <= 0xF8FF))
+			continue;
+
+		StringUtil::EncodeAndAppendUTF8(result, utf);
+	}
+
+	StringUtil::StripWhitespace(&result);
+
+	return result;
+}

pcsx2/ImGui/ImGuiManager.h

@@ -103,6 +103,9 @@ namespace ImGuiManager
 
 	/// Sets the position of a software cursor, used when we have relative coordinates such as controllers.
 	void SetSoftwareCursorPosition(u32 index, float pos_x, float pos_y);
+
+	/// Strips icon characters from a string.
+	std::string StripIconCharacters(std::string_view str);
 } // namespace ImGuiManager
 
 namespace Host

tests/ctest/core/StubHost.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2002-2023 PCSX2 Dev Team
+// SPDX-FileCopyrightText: 2002-2024 PCSX2 Dev Team
 // SPDX-License-Identifier: LGPL-3.0+
 
 #include "pcsx2/Achievements.h"
@@ -6,6 +6,8 @@
 #include "pcsx2/GameList.h"
 #include "pcsx2/Host.h"
 #include "pcsx2/ImGui/FullscreenUI.h"
+#include "pcsx2/ImGui/ImGuiAnimated.h"
+#include "pcsx2/ImGui/ImGuiFullscreen.h"
 #include "pcsx2/ImGui/ImGuiManager.h"
 #include "pcsx2/Input/InputManager.h"
 #include "pcsx2/VMManager.h"
@@ -213,6 +215,17 @@ void Host::OnCreateMemoryCardOpenRequested()
 {
 }
 
+bool Host::ShouldPreferHostFileSelector()
+{
+	return false;
+}
+
+void Host::OpenHostFileSelectorAsync(std::string_view title, bool select_directory, FileSelectorCallback callback,
+	FileSelectorFilters filters, std::string_view initial_directory)
+{
+	callback(std::string());
+}
+
 std::optional<u32> InputManager::ConvertHostKeyboardStringToCode(const std::string_view& str)
 {
 	return std::nullopt;