Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/client/SDL/SDL2/dialogs/CMakeLists.txt

@@ -0,0 +1,72 @@
+set(SRCS
+    sdl_button.hpp
+    sdl_button.cpp
+    sdl_buttons.hpp
+    sdl_buttons.cpp
+    sdl_dialogs.cpp
+    sdl_dialogs.hpp
+    sdl_widget.hpp
+    sdl_widget.cpp
+    sdl_input.hpp
+    sdl_input.cpp
+    sdl_input_widgets.cpp
+    sdl_input_widgets.hpp
+    sdl_select.hpp
+    sdl_select.cpp
+    sdl_selectlist.hpp
+    sdl_selectlist.cpp
+    sdl_connection_dialog.cpp
+    sdl_connection_dialog.hpp
+)
+
+list(APPEND LIBS sdl2_client_res winpr)
+
+if(NOT WITH_SDL_LINK_SHARED)
+  list(APPEND LIBS SDL2::SDL2-static)
+else()
+  list(APPEND LIBS SDL2::SDL2)
+endif()
+
+macro(find_sdl_component name)
+  find_package(${name})
+  if(NOT ${name}_FOUND)
+    find_package(PkgConfig REQUIRED)
+    pkg_check_modules(${name} REQUIRED ${name})
+
+    if(BUILD_SHARED_LIBS)
+      list(APPEND LIBS ${${name}_LIBRARIES})
+      link_directories(${${name}_LIBRARY_DIRS})
+      include_directories(SYSTEM ${${name}_INCLUDE_DIRS})
+    else()
+      list(APPEND LIBS ${${name}_STATIC_LIBRARIES})
+      link_directories(${${name}_STATIC_LIBRARY_DIRS})
+      include_directories(SYSTEM ${${name}_STATIC_INCLUDE_DIRS})
+    endif()
+  else()
+    if(WITH_SDL_LINK_SHARED)
+      list(APPEND LIBS ${name}::${name})
+      set_target_properties(${name}::${name} PROPERTIES SYSTEM TRUE)
+    else()
+      list(APPEND LIBS ${name}::${name}-static)
+      set_target_properties(${name}::${name}-static PROPERTIES SYSTEM TRUE)
+    endif()
+  endif()
+endmacro()
+
+find_sdl_component(SDL2_ttf)
+
+option(WITH_SDL_IMAGE_DIALOGS "Build with SDL_image support (recommended)" OFF)
+if(WITH_SDL_IMAGE_DIALOGS)
+  find_sdl_component(SDL2_image)
+  add_compile_definitions(WITH_SDL_IMAGE_DIALOGS)
+endif()
+
+add_subdirectory(res)
+
+add_library(sdl2-dialogs STATIC ${SRCS})
+
+target_link_libraries(sdl2-dialogs PRIVATE ${LIBS})
+
+if(BUILD_TESTING_INTERNAL OR BUILD_TESTING)
+  #	add_subdirectory(test)
+endif()

third_party/FreeRDP/client/SDL/SDL2/dialogs/res/CMakeLists.txt

@@ -0,0 +1,30 @@
+# FreeRDP: A Remote Desktop Protocol Implementation
+# FreeRDP SDL Client
+#
+# Copyright 2024 Armin Novak <anovak@thincast.com>
+# Copyright 2024 Thincast Technologies GmbH
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set(SRCS sdl2_resource_manager.cpp sdl2_resource_manager.hpp)
+
+add_library(sdl2_client_res STATIC ${SRCS})
+
+if(NOT WITH_SDL_LINK_SHARED)
+  target_link_libraries(sdl2_client_res ${SDL2_STATIC_LIBRARIES})
+else()
+  target_link_libraries(sdl2_client_res ${SDL2_LIBRARIES})
+endif()
+
+set_target_properties(sdl2_client_res PROPERTIES POSITION_INDEPENDENT_CODE ON INTERPROCEDURAL_OPTIMIZATION OFF)
+target_link_libraries(sdl2_client_res sdl-common-client-res)

third_party/FreeRDP/client/SDL/SDL2/dialogs/res/sdl2_resource_manager.cpp

@@ -0,0 +1,37 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "sdl2_resource_manager.hpp"
+#include <iostream>
+
+SDL_RWops* SDL2ResourceManager::get(const std::string& type, const std::string& id)
+{
+	if (useCompiledResources())
+	{
+		auto d = data(type, id);
+		if (!d)
+			return nullptr;
+
+		auto s = d->size();
+		if (s > INT32_MAX)
+			return nullptr;
+		return SDL_RWFromConstMem(d->data(), static_cast<int>(s));
+	}
+
+	auto name = filename(type, id);
+	return SDL_RWFromFile(name.c_str(), "rb");
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/res/sdl2_resource_manager.hpp

@@ -0,0 +1,38 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include <string>
+#include <map>
+#include <vector>
+#include <SDL.h>
+
+#include <res/sdl_resource_manager.hpp>
+
+class SDL2ResourceManager : public SDLResourceManager
+{
+  public:
+	SDL2ResourceManager() = delete;
+	SDL2ResourceManager(const SDL2ResourceManager& other) = delete;
+	SDL2ResourceManager(const SDL2ResourceManager&& other) = delete;
+	~SDL2ResourceManager() = delete;
+	SDL2ResourceManager& operator=(const SDL2ResourceManager& other) = delete;
+	SDL2ResourceManager& operator=(SDL2ResourceManager&& other) = delete;
+
+	static SDL_RWops* get(const std::string& type, const std::string& id);
+};

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_button.cpp

@@ -0,0 +1,71 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client Channels
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ * Copyright 2023 Thincast Technologies GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cassert>
+#include <utility>
+
+#include "sdl_button.hpp"
+
+static const SDL_Color buttonbackgroundcolor = { 0x69, 0x66, 0x63, 0xff };
+static const SDL_Color buttonhighlightcolor = { 0xcd, 0xca, 0x35, 0x60 };
+static const SDL_Color buttonmouseovercolor = { 0x66, 0xff, 0x66, 0x60 };
+static const SDL_Color buttonfontcolor = { 0xd1, 0xcf, 0xcd, 0xff };
+
+SdlButton::SdlButton(SDL_Renderer* renderer, std::string label, int id, SDL_Rect rect)
+    : SdlWidget(renderer, rect, false), _name(std::move(label)), _id(id)
+{
+	assert(renderer);
+
+	update_text(renderer, _name, buttonfontcolor, buttonbackgroundcolor);
+}
+
+SdlButton::SdlButton(SdlButton&& other) noexcept = default;
+
+SdlButton::~SdlButton() = default;
+
+bool SdlButton::highlight(SDL_Renderer* renderer)
+{
+	assert(renderer);
+
+	std::vector<SDL_Color> colors = { buttonbackgroundcolor, buttonhighlightcolor };
+	if (!fill(renderer, colors))
+		return false;
+	return update_text(renderer, _name, buttonfontcolor);
+}
+
+bool SdlButton::mouseover(SDL_Renderer* renderer)
+{
+	std::vector<SDL_Color> colors = { buttonbackgroundcolor, buttonmouseovercolor };
+	if (!fill(renderer, colors))
+		return false;
+	return update_text(renderer, _name, buttonfontcolor);
+}
+
+bool SdlButton::update(SDL_Renderer* renderer)
+{
+	assert(renderer);
+
+	return update_text(renderer, _name, buttonfontcolor, buttonbackgroundcolor);
+}
+
+int SdlButton::id() const
+{
+	return _id;
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_button.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <string>
+
+#include "sdl_widget.hpp"
+
+class SdlButton : public SdlWidget
+{
+  public:
+	SdlButton(SDL_Renderer* renderer, std::string label, int id, SDL_Rect rect);
+	SdlButton(const SdlButton& other) = delete;
+	SdlButton(SdlButton&& other) noexcept;
+	~SdlButton() override;
+
+	SdlButton& operator=(const SdlButton& other) = delete;
+	SdlButton& operator=(SdlButton&& other) = delete;
+
+	bool highlight(SDL_Renderer* renderer);
+	bool mouseover(SDL_Renderer* renderer);
+	bool update(SDL_Renderer* renderer);
+
+	[[nodiscard]] int id() const;
+
+  private:
+	std::string _name;
+	int _id;
+};

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_buttons.cpp

@@ -0,0 +1,112 @@
+#include <cassert>
+#include <algorithm>
+
+#include <winpr/cast.h>
+
+#include "sdl_buttons.hpp"
+
+static const Uint32 hpadding = 10;
+
+SdlButtonList::~SdlButtonList() = default;
+
+bool SdlButtonList::populate(SDL_Renderer* renderer, const std::vector<std::string>& labels,
+                             const std::vector<int>& ids, Sint32 total_width, Sint32 offsetY,
+                             Sint32 width, Sint32 height)
+{
+	assert(renderer);
+	assert(width >= 0);
+	assert(height >= 0);
+	assert(labels.size() == ids.size());
+
+	_list.clear();
+	size_t button_width =
+	    ids.size() * (WINPR_ASSERTING_INT_CAST(uint32_t, width) + hpadding) + hpadding;
+	size_t offsetX =
+	    WINPR_ASSERTING_INT_CAST(uint32_t, total_width) -
+	    std::min<size_t>(WINPR_ASSERTING_INT_CAST(uint32_t, total_width), button_width);
+	for (size_t x = 0; x < ids.size(); x++)
+	{
+		const size_t curOffsetX = offsetX + x * (static_cast<size_t>(width) + hpadding);
+		const SDL_Rect rect = { static_cast<int>(curOffsetX), offsetY, width, height };
+		_list.emplace_back(renderer, labels.at(x), ids.at(x), rect);
+	}
+	return true;
+}
+
+SdlButton* SdlButtonList::get_selected(const SDL_MouseButtonEvent& button)
+{
+	const Sint32 x = button.x;
+	const Sint32 y = button.y;
+
+	return get_selected(x, y);
+}
+
+SdlButton* SdlButtonList::get_selected(Sint32 x, Sint32 y)
+{
+	for (auto& btn : _list)
+	{
+		auto r = btn.rect();
+		if ((x >= r.x) && (x <= r.x + r.w) && (y >= r.y) && (y <= r.y + r.h))
+			return &btn;
+	}
+	return nullptr;
+}
+
+bool SdlButtonList::set_highlight_next(bool reset)
+{
+	if (reset)
+		_highlighted = nullptr;
+	else
+	{
+		auto next = _highlight_index++;
+		_highlight_index %= _list.size();
+		auto& element = _list.at(next);
+		_highlighted = &element;
+	}
+	return true;
+}
+
+bool SdlButtonList::set_highlight(size_t index)
+{
+	if (index >= _list.size())
+	{
+		_highlighted = nullptr;
+		return false;
+	}
+	auto& element = _list.at(index);
+	_highlighted = &element;
+	_highlight_index = ++index % _list.size();
+	return true;
+}
+
+bool SdlButtonList::set_mouseover(Sint32 x, Sint32 y)
+{
+	_mouseover = get_selected(x, y);
+	return _mouseover != nullptr;
+}
+
+void SdlButtonList::clear()
+{
+	_list.clear();
+	_mouseover = nullptr;
+	_highlighted = nullptr;
+	_highlight_index = 0;
+}
+
+bool SdlButtonList::update(SDL_Renderer* renderer)
+{
+	assert(renderer);
+
+	for (auto& btn : _list)
+	{
+		if (!btn.update(renderer))
+			return false;
+	}
+
+	if (_highlighted)
+		_highlighted->highlight(renderer);
+
+	if (_mouseover)
+		_mouseover->mouseover(renderer);
+	return true;
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_buttons.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <vector>
+#include <cstdint>
+
+#include "sdl_button.hpp"
+
+class SdlButtonList
+{
+  public:
+	SdlButtonList() = default;
+	virtual ~SdlButtonList();
+
+	bool populate(SDL_Renderer* renderer, const std::vector<std::string>& labels,
+	              const std::vector<int>& ids, Sint32 total_width, Sint32 offsetY, Sint32 width,
+	              Sint32 height);
+
+	bool update(SDL_Renderer* renderer);
+	SdlButton* get_selected(const SDL_MouseButtonEvent& button);
+	SdlButton* get_selected(Sint32 x, Sint32 y);
+
+	bool set_highlight_next(bool reset = false);
+	bool set_highlight(size_t index);
+	bool set_mouseover(Sint32 x, Sint32 y);
+
+	void clear();
+
+	SdlButtonList(const SdlButtonList& other) = delete;
+	SdlButtonList(SdlButtonList&& other) = delete;
+	SdlButtonList& operator=(const SdlButtonList& other) = delete;
+	SdlButtonList& operator=(SdlButtonList&& other) = delete;
+
+  private:
+	std::vector<SdlButton> _list;
+	SdlButton* _highlighted = nullptr;
+	size_t _highlight_index = 0;
+	SdlButton* _mouseover = nullptr;
+};

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_connection_dialog.cpp

@@ -0,0 +1,539 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <cassert>
+#include <thread>
+
+#include "sdl_connection_dialog.hpp"
+#include "../sdl_utils.hpp"
+#include "../sdl_freerdp.hpp"
+#include "res/sdl2_resource_manager.hpp"
+
+static const SDL_Color backgroundcolor = { 0x38, 0x36, 0x35, 0xff };
+static const SDL_Color textcolor = { 0xd1, 0xcf, 0xcd, 0xff };
+static const SDL_Color infocolor = { 0x43, 0xe0, 0x0f, 0x60 };
+static const SDL_Color warncolor = { 0xcd, 0xca, 0x35, 0x60 };
+static const SDL_Color errorcolor = { 0xf7, 0x22, 0x30, 0x60 };
+
+static const Uint32 vpadding = 5;
+static const Uint32 hpadding = 5;
+
+SDLConnectionDialog::SDLConnectionDialog(rdpContext* context) : _context(context)
+{
+	SDL_Init(SDL_INIT_TIMER | SDL_INIT_VIDEO);
+	hide();
+}
+
+SDLConnectionDialog::~SDLConnectionDialog()
+{
+	resetTimer();
+	destroyWindow();
+	SDL_Quit();
+}
+
+bool SDLConnectionDialog::visible() const
+{
+	if (!_window || !_renderer)
+		return false;
+
+	auto flags = SDL_GetWindowFlags(_window);
+	return (flags & (SDL_WINDOW_HIDDEN | SDL_WINDOW_MINIMIZED)) == 0;
+}
+
+bool SDLConnectionDialog::setTitle(const char* fmt, ...)
+{
+	std::scoped_lock lock(_mux);
+	va_list ap = {};
+	va_start(ap, fmt);
+	_title = print(fmt, ap);
+	va_end(ap);
+
+	return show(MSG_NONE);
+}
+
+bool SDLConnectionDialog::showInfo(const char* fmt, ...)
+{
+	va_list ap = {};
+	va_start(ap, fmt);
+	auto rc = show(MSG_INFO, fmt, ap);
+	va_end(ap);
+	return rc;
+}
+
+bool SDLConnectionDialog::showWarn(const char* fmt, ...)
+{
+	va_list ap = {};
+	va_start(ap, fmt);
+	auto rc = show(MSG_WARN, fmt, ap);
+	va_end(ap);
+	return rc;
+}
+
+bool SDLConnectionDialog::showError(const char* fmt, ...)
+{
+	va_list ap = {};
+	va_start(ap, fmt);
+	auto rc = show(MSG_ERROR, fmt, ap);
+	va_end(ap);
+	if (!rc)
+		return rc;
+	return setTimer();
+}
+
+bool SDLConnectionDialog::show()
+{
+	std::scoped_lock lock(_mux);
+	return show(_type_active);
+}
+
+bool SDLConnectionDialog::hide()
+{
+	std::scoped_lock lock(_mux);
+	return show(MSG_DISCARD);
+}
+
+bool SDLConnectionDialog::running() const
+{
+	std::scoped_lock lock(_mux);
+	return _running;
+}
+
+bool SDLConnectionDialog::update()
+{
+	std::scoped_lock lock(_mux);
+	switch (_type)
+	{
+		case MSG_INFO:
+		case MSG_WARN:
+		case MSG_ERROR:
+			_type_active = _type;
+			createWindow();
+			break;
+		case MSG_DISCARD:
+			resetTimer();
+			destroyWindow();
+			break;
+		default:
+			if (_window)
+			{
+				SDL_SetWindowTitle(_window, _title.c_str());
+			}
+			break;
+	}
+	_type = MSG_NONE;
+	return true;
+}
+
+bool SDLConnectionDialog::setModal()
+{
+	if (_window)
+	{
+		auto sdl = get_context(_context);
+		if (sdl->windows.empty())
+			return true;
+
+		auto parent = sdl->windows.begin()->second.window();
+		SDL_SetWindowModalFor(_window, parent);
+		SDL_RaiseWindow(_window);
+	}
+	return true;
+}
+
+bool SDLConnectionDialog::clearWindow(SDL_Renderer* renderer)
+{
+	assert(renderer);
+
+	const int drc = SDL_SetRenderDrawColor(renderer, backgroundcolor.r, backgroundcolor.g,
+	                                       backgroundcolor.b, backgroundcolor.a);
+	if (widget_log_error(drc, "SDL_SetRenderDrawColor"))
+		return false;
+
+	const int rcls = SDL_RenderClear(renderer);
+	return !widget_log_error(rcls, "SDL_RenderClear");
+}
+
+bool SDLConnectionDialog::update(SDL_Renderer* renderer)
+{
+	std::scoped_lock lock(_mux);
+	if (!renderer)
+		return false;
+
+	if (!clearWindow(renderer))
+		return false;
+
+	for (auto& btn : _list)
+	{
+		if (!btn.widget.update_text(renderer, _msg, btn.fgcolor, btn.bgcolor))
+			return false;
+	}
+
+	if (!_buttons.update(renderer))
+		return false;
+
+	SDL_RenderPresent(renderer);
+	return true;
+}
+
+bool SDLConnectionDialog::wait(bool ignoreRdpContext)
+{
+	while (running())
+	{
+		if (!ignoreRdpContext)
+		{
+			if (freerdp_shall_disconnect_context(_context))
+				return false;
+		}
+		std::this_thread::yield();
+	}
+	return true;
+}
+
+bool SDLConnectionDialog::handle(const SDL_Event& event)
+{
+	Uint32 windowID = 0;
+	if (_window)
+	{
+		windowID = SDL_GetWindowID(_window);
+	}
+
+	switch (event.type)
+	{
+		case SDL_USEREVENT_RETRY_DIALOG:
+			return update();
+		case SDL_QUIT:
+			resetTimer();
+			destroyWindow();
+			return false;
+		case SDL_KEYDOWN:
+		case SDL_KEYUP:
+			if (visible())
+			{
+				auto& ev = reinterpret_cast<const SDL_KeyboardEvent&>(event);
+				update(_renderer);
+				switch (event.key.keysym.sym)
+				{
+					case SDLK_RETURN:
+					case SDLK_RETURN2:
+					case SDLK_ESCAPE:
+					case SDLK_KP_ENTER:
+						if (event.type == SDL_KEYUP)
+						{
+							freerdp_abort_connect_context(_context);
+							sdl_push_quit();
+						}
+						break;
+					case SDLK_TAB:
+						_buttons.set_highlight_next();
+						break;
+					default:
+						break;
+				}
+
+				return windowID == ev.windowID;
+			}
+			return false;
+		case SDL_MOUSEMOTION:
+			if (visible())
+			{
+				auto& ev = reinterpret_cast<const SDL_MouseMotionEvent&>(event);
+
+				_buttons.set_mouseover(event.button.x, event.button.y);
+				update(_renderer);
+				return windowID == ev.windowID;
+			}
+			return false;
+		case SDL_MOUSEBUTTONDOWN:
+		case SDL_MOUSEBUTTONUP:
+			if (visible())
+			{
+				auto& ev = reinterpret_cast<const SDL_MouseButtonEvent&>(event);
+				update(_renderer);
+
+				auto button = _buttons.get_selected(event.button);
+				if (button)
+				{
+					if (event.type == SDL_MOUSEBUTTONUP)
+					{
+						freerdp_abort_connect_context(_context);
+						sdl_push_quit();
+					}
+				}
+
+				return windowID == ev.windowID;
+			}
+			return false;
+		case SDL_MOUSEWHEEL:
+			if (visible())
+			{
+				auto& ev = reinterpret_cast<const SDL_MouseWheelEvent&>(event);
+				update(_renderer);
+				return windowID == ev.windowID;
+			}
+			return false;
+		case SDL_FINGERUP:
+		case SDL_FINGERDOWN:
+			if (visible())
+			{
+				auto& ev = reinterpret_cast<const SDL_TouchFingerEvent&>(event);
+				update(_renderer);
+#if SDL_VERSION_ATLEAST(2, 0, 18)
+				return windowID == ev.windowID;
+#else
+				return false;
+#endif
+			}
+			return false;
+		case SDL_WINDOWEVENT:
+		{
+			auto& ev = reinterpret_cast<const SDL_WindowEvent&>(event);
+			switch (ev.event)
+			{
+				case SDL_WINDOWEVENT_CLOSE:
+					if (windowID == ev.windowID)
+					{
+						freerdp_abort_connect_context(_context);
+						sdl_push_quit();
+					}
+					break;
+				default:
+					update(_renderer);
+					setModal();
+					break;
+			}
+
+			return windowID == ev.windowID;
+		}
+		default:
+			return false;
+	}
+}
+
+bool SDLConnectionDialog::createWindow()
+{
+	destroyWindow();
+
+	const int widget_height = 50;
+	const int widget_width = 600;
+	const int total_height = 300;
+
+	auto flags = WINPR_ASSERTING_INT_CAST(
+	    uint32_t, SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_MOUSE_FOCUS | SDL_WINDOW_INPUT_FOCUS);
+	auto rc = SDL_CreateWindowAndRenderer(widget_width, total_height, flags, &_window, &_renderer);
+	if (rc != 0)
+	{
+		widget_log_error(rc, "SDL_CreateWindowAndRenderer");
+		return false;
+	}
+	SDL_SetWindowTitle(_window, _title.c_str());
+	setModal();
+
+	SDL_Color res_bgcolor;
+	switch (_type_active)
+	{
+		case MSG_INFO:
+			res_bgcolor = infocolor;
+			break;
+		case MSG_WARN:
+			res_bgcolor = warncolor;
+			break;
+		case MSG_ERROR:
+			res_bgcolor = errorcolor;
+			break;
+		case MSG_DISCARD:
+		default:
+			res_bgcolor = backgroundcolor;
+			break;
+	}
+
+#if defined(WITH_SDL_IMAGE_DIALOGS)
+	std::string res_name;
+	switch (_type_active)
+	{
+		case MSG_INFO:
+			res_name = "icon_info.svg";
+			break;
+		case MSG_WARN:
+			res_name = "icon_warning.svg";
+			break;
+		case MSG_ERROR:
+			res_name = "icon_error.svg";
+			break;
+		case MSG_DISCARD:
+		default:
+			res_name = "";
+			break;
+	}
+
+	int height = (total_height - 3ul * vpadding) / 2ul;
+	SDL_Rect iconRect{ hpadding, vpadding, widget_width / 4ul - 2ul * hpadding, height };
+	widget_cfg_t icon{ textcolor,
+		               res_bgcolor,
+		               { _renderer, iconRect,
+		                 SDL2ResourceManager::get(SDLResourceManager::typeImages(), res_name) } };
+	_list.emplace_back(std::move(icon));
+
+	iconRect.y += height;
+
+	widget_cfg_t logo{ textcolor,
+		               backgroundcolor,
+		               { _renderer, iconRect,
+		                 SDL2ResourceManager::get(SDLResourceManager::typeImages(),
+		                                          "FreeRDP_Icon.svg") } };
+	_list.emplace_back(std::move(logo));
+
+	SDL_Rect rect = { widget_width / 4ul, vpadding, widget_width * 3ul / 4ul,
+		              total_height - 3ul * vpadding - widget_height };
+#else
+	SDL_Rect rect = { hpadding, vpadding, widget_width - 2ul * hpadding,
+		              total_height - 2ul * vpadding };
+#endif
+
+	widget_cfg_t w{ textcolor, backgroundcolor, { _renderer, rect, false } };
+	w.widget.set_wrap(true, widget_width);
+	_list.emplace_back(std::move(w));
+	rect.y += widget_height + vpadding;
+
+	const std::vector<int> buttonids = { 1 };
+	const std::vector<std::string> buttonlabels = { "cancel" };
+	_buttons.populate(_renderer, buttonlabels, buttonids, widget_width,
+	                  total_height - widget_height - vpadding,
+	                  static_cast<Sint32>(widget_width / 2), static_cast<Sint32>(widget_height));
+	_buttons.set_highlight(0);
+
+	SDL_ShowWindow(_window);
+	SDL_RaiseWindow(_window);
+
+	return true;
+}
+
+void SDLConnectionDialog::destroyWindow()
+{
+	_buttons.clear();
+	_list.clear();
+	SDL_DestroyRenderer(_renderer);
+	SDL_DestroyWindow(_window);
+	_renderer = nullptr;
+	_window = nullptr;
+}
+
+bool SDLConnectionDialog::show(MsgType type, const char* fmt, va_list ap)
+{
+	std::scoped_lock lock(_mux);
+	_msg = print(fmt, ap);
+	return show(type);
+}
+
+bool SDLConnectionDialog::show(MsgType type)
+{
+	_type = type;
+	return sdl_push_user_event(SDL_USEREVENT_RETRY_DIALOG);
+}
+
+std::string SDLConnectionDialog::print(const char* fmt, va_list ap)
+{
+	int size = -1;
+	std::string res;
+
+	do
+	{
+		res.resize(128);
+		if (size > 0)
+			res.resize(WINPR_ASSERTING_INT_CAST(size_t, size));
+
+		va_list copy = {};
+		va_copy(copy, ap);
+		WINPR_PRAGMA_DIAG_PUSH
+		WINPR_PRAGMA_DIAG_IGNORED_FORMAT_NONLITERAL
+		size = vsnprintf(res.data(), res.size(), fmt, copy);
+		WINPR_PRAGMA_DIAG_POP
+		va_end(copy);
+
+	} while ((size > 0) && (static_cast<size_t>(size) > res.size()));
+
+	return res;
+}
+
+bool SDLConnectionDialog::setTimer(Uint32 timeoutMS)
+{
+	std::scoped_lock lock(_mux);
+	resetTimer();
+
+	_timer = SDL_AddTimer(timeoutMS, &SDLConnectionDialog::timeout, this);
+	_running = true;
+	return true;
+}
+
+void SDLConnectionDialog::resetTimer()
+{
+	if (_running)
+		SDL_RemoveTimer(_timer);
+	_running = false;
+}
+
+Uint32 SDLConnectionDialog::timeout([[maybe_unused]] Uint32 intervalMS, void* pvthis)
+{
+	auto self = static_cast<SDLConnectionDialog*>(pvthis);
+	self->hide();
+	self->_running = false;
+	return 0;
+}
+
+SDLConnectionDialogHider::SDLConnectionDialogHider(freerdp* instance)
+    : SDLConnectionDialogHider(get(instance))
+{
+}
+
+SDLConnectionDialogHider::SDLConnectionDialogHider(rdpContext* context)
+    : SDLConnectionDialogHider(get(context))
+{
+}
+
+SDLConnectionDialogHider::SDLConnectionDialogHider(SDLConnectionDialog* dialog) : _dialog(dialog)
+{
+	if (_dialog)
+	{
+		_visible = _dialog->visible();
+		if (_visible)
+		{
+			_dialog->hide();
+		}
+	}
+}
+
+SDLConnectionDialogHider::~SDLConnectionDialogHider()
+{
+	if (_dialog && _visible)
+	{
+		_dialog->show();
+	}
+}
+
+SDLConnectionDialog* SDLConnectionDialogHider::get(freerdp* instance)
+{
+	if (!instance)
+		return nullptr;
+	return get(instance->context);
+}
+
+SDLConnectionDialog* SDLConnectionDialogHider::get(rdpContext* context)
+{
+	auto sdl = get_context(context);
+	if (!sdl)
+		return nullptr;
+	return sdl->connection_dialog.get();
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_connection_dialog.hpp

@@ -0,0 +1,131 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <memory>
+#include <mutex>
+#include <string>
+#include <vector>
+
+#include <SDL.h>
+
+#include <freerdp/freerdp.h>
+
+#include "sdl_widget.hpp"
+#include "sdl_buttons.hpp"
+
+class SDLConnectionDialog
+{
+  public:
+	explicit SDLConnectionDialog(rdpContext* context);
+	SDLConnectionDialog(const SDLConnectionDialog& other) = delete;
+	SDLConnectionDialog(const SDLConnectionDialog&& other) = delete;
+	virtual ~SDLConnectionDialog();
+
+	SDLConnectionDialog& operator=(const SDLConnectionDialog& other) = delete;
+	SDLConnectionDialog& operator=(SDLConnectionDialog&& other) = delete;
+
+	bool visible() const;
+
+	bool setTitle(const char* fmt, ...);
+	bool showInfo(const char* fmt, ...);
+	bool showWarn(const char* fmt, ...);
+	bool showError(const char* fmt, ...);
+
+	bool show();
+	bool hide();
+
+	bool running() const;
+	bool wait(bool ignoreRdpContextQuit = false);
+
+	bool handle(const SDL_Event& event);
+
+  private:
+	enum MsgType
+	{
+		MSG_NONE,
+		MSG_INFO,
+		MSG_WARN,
+		MSG_ERROR,
+		MSG_DISCARD
+	};
+
+	bool createWindow();
+	void destroyWindow();
+
+	bool update();
+
+	bool setModal();
+
+	static bool clearWindow(SDL_Renderer* renderer);
+
+	bool update(SDL_Renderer* renderer);
+
+	bool show(MsgType type, const char* fmt, va_list ap);
+	bool show(MsgType type);
+
+	static std::string print(const char* fmt, va_list ap);
+	bool setTimer(Uint32 timeoutMS = 15000);
+	void resetTimer();
+
+	static Uint32 timeout(Uint32 intervalMS, void* pvthis);
+
+	struct widget_cfg_t
+	{
+		SDL_Color fgcolor = {};
+		SDL_Color bgcolor = {};
+		SdlWidget widget;
+	};
+
+	rdpContext* _context = nullptr;
+	SDL_Window* _window = nullptr;
+	SDL_Renderer* _renderer = nullptr;
+	mutable std::mutex _mux;
+	std::string _title;
+	std::string _msg;
+	MsgType _type = MSG_NONE;
+	MsgType _type_active = MSG_NONE;
+	SDL_TimerID _timer = -1;
+	bool _running = false;
+	std::vector<widget_cfg_t> _list;
+	SdlButtonList _buttons;
+};
+
+class SDLConnectionDialogHider
+{
+  public:
+	explicit SDLConnectionDialogHider(freerdp* instance);
+	explicit SDLConnectionDialogHider(rdpContext* context);
+
+	explicit SDLConnectionDialogHider(SDLConnectionDialog* dialog);
+	SDLConnectionDialogHider(const SDLConnectionDialogHider& other) = delete;
+	SDLConnectionDialogHider(SDLConnectionDialogHider&& other) = delete;
+	SDLConnectionDialogHider& operator=(const SDLConnectionDialogHider& other) = delete;
+	SDLConnectionDialogHider& operator=(SDLConnectionDialogHider&& other) = delete;
+
+	~SDLConnectionDialogHider();
+
+  private:
+	SDLConnectionDialog* get(freerdp* instance);
+	static SDLConnectionDialog* get(rdpContext* context);
+
+	SDLConnectionDialog* _dialog = nullptr;
+	bool _visible = false;
+};

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_dialogs.cpp

@@ -0,0 +1,626 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vector>
+#include <string>
+#include <cassert>
+
+#include <freerdp/log.h>
+#include <freerdp/utils/smartcardlogon.h>
+
+#include <SDL.h>
+
+#include "../sdl_freerdp.hpp"
+#include "sdl_dialogs.hpp"
+#include "sdl_input.hpp"
+#include "sdl_input_widgets.hpp"
+#include "sdl_select.hpp"
+#include "sdl_selectlist.hpp"
+
+enum
+{
+	SHOW_DIALOG_ACCEPT_REJECT = 1,
+	SHOW_DIALOG_TIMED_ACCEPT = 2
+};
+
+static const char* type_str_for_flags(UINT32 flags)
+{
+	const char* type = "RDP-Server";
+
+	if (flags & VERIFY_CERT_FLAG_GATEWAY)
+		type = "RDP-Gateway";
+
+	if (flags & VERIFY_CERT_FLAG_REDIRECT)
+		type = "RDP-Redirect";
+	return type;
+}
+
+static BOOL sdl_wait_for_result(rdpContext* context, Uint32 type, SDL_Event* result)
+{
+	const SDL_Event empty = {};
+
+	WINPR_ASSERT(context);
+	WINPR_ASSERT(result);
+
+	while (!freerdp_shall_disconnect_context(context))
+	{
+		*result = empty;
+		const int rc = SDL_PeepEvents(result, 1, SDL_GETEVENT, type, type);
+		if (rc > 0)
+			return TRUE;
+		Sleep(1);
+	}
+	return FALSE;
+}
+
+static int sdl_show_dialog(rdpContext* context, const char* title, const char* message,
+                           Sint32 flags)
+{
+	SDL_Event event = {};
+
+	if (!sdl_push_user_event(SDL_USEREVENT_SHOW_DIALOG, title, message, flags))
+		return 0;
+
+	if (!sdl_wait_for_result(context, SDL_USEREVENT_SHOW_RESULT, &event))
+		return 0;
+
+	return event.user.code;
+}
+
+BOOL sdl_authenticate_ex(freerdp* instance, char** username, char** password, char** domain,
+                         rdp_auth_reason reason)
+{
+	SDL_Event event = {};
+	BOOL res = FALSE;
+
+	SDLConnectionDialogHider hider(instance);
+
+	const char* target = freerdp_settings_get_server_name(instance->context->settings);
+	switch (reason)
+	{
+		case AUTH_NLA:
+			break;
+
+		case AUTH_TLS:
+		case AUTH_RDP:
+		case AUTH_SMARTCARD_PIN: /* in this case password is pin code */
+			if ((*username) && (*password))
+				return TRUE;
+			break;
+		case GW_AUTH_HTTP:
+		case GW_AUTH_RDG:
+		case GW_AUTH_RPC:
+			target =
+			    freerdp_settings_get_string(instance->context->settings, FreeRDP_GatewayHostname);
+			break;
+		default:
+			break;
+	}
+
+	char* title = nullptr;
+	size_t titlesize = 0;
+	winpr_asprintf(&title, &titlesize, "Credentials required for %s", target);
+
+	CStringPtr scope(title, free);
+	char* u = nullptr;
+	char* d = nullptr;
+	char* p = nullptr;
+
+	assert(username);
+	assert(domain);
+	assert(password);
+
+	u = *username;
+	d = *domain;
+	p = *password;
+
+	if (!sdl_push_user_event(SDL_USEREVENT_AUTH_DIALOG, title, u, d, p, reason))
+		return res;
+
+	if (!sdl_wait_for_result(instance->context, SDL_USEREVENT_AUTH_RESULT, &event))
+		return res;
+
+	auto arg = reinterpret_cast<SDL_UserAuthArg*>(event.padding);
+
+	res = arg->result > 0;
+
+	free(*username);
+	free(*domain);
+	free(*password);
+	*username = arg->user;
+	*domain = arg->domain;
+	*password = arg->password;
+
+	return res;
+}
+
+BOOL sdl_choose_smartcard(freerdp* instance, SmartcardCertInfo** cert_list, DWORD count,
+                          DWORD* choice, BOOL gateway)
+{
+	BOOL res = FALSE;
+
+	WINPR_ASSERT(instance);
+	WINPR_ASSERT(cert_list);
+	WINPR_ASSERT(choice);
+
+	SDLConnectionDialogHider hider(instance);
+	std::vector<std::string> strlist;
+	std::vector<const char*> list;
+	for (DWORD i = 0; i < count; i++)
+	{
+		const SmartcardCertInfo* cert = cert_list[i];
+		char* reader = ConvertWCharToUtf8Alloc(cert->reader, nullptr);
+		char* container_name = ConvertWCharToUtf8Alloc(cert->containerName, nullptr);
+
+		char* msg = nullptr;
+		size_t len = 0;
+
+		winpr_asprintf(&msg, &len,
+		               "%s\n\tReader: %s\n\tUser: %s@%s\n\tSubject: %s\n\tIssuer: %s\n\tUPN: %s",
+		               container_name, reader, cert->userHint, cert->domainHint, cert->subject,
+		               cert->issuer, cert->upn);
+
+		strlist.emplace_back(msg);
+		free(msg);
+		free(reader);
+		free(container_name);
+
+		auto& m = strlist.back();
+		list.push_back(m.c_str());
+	}
+
+	SDL_Event event = {};
+	const char* title = "Select a logon smartcard certificate";
+	if (gateway)
+		title = "Select a gateway logon smartcard certificate";
+	if (!sdl_push_user_event(SDL_USEREVENT_SCARD_DIALOG, title, list.data(), count))
+		return res;
+
+	if (!sdl_wait_for_result(instance->context, SDL_USEREVENT_SCARD_RESULT, &event))
+		return res;
+
+	res = (event.user.code >= 0);
+	*choice = static_cast<DWORD>(event.user.code);
+
+	return res;
+}
+
+SSIZE_T sdl_retry_dialog(freerdp* instance, const char* what, size_t current,
+                         [[maybe_unused]] void* userarg)
+{
+	WINPR_ASSERT(instance);
+	WINPR_ASSERT(instance->context);
+	WINPR_ASSERT(what);
+
+	auto sdl = get_context(instance->context);
+	auto settings = instance->context->settings;
+	const size_t delay = freerdp_settings_get_uint32(settings, FreeRDP_TcpConnectTimeout);
+	std::scoped_lock lock(sdl->critical);
+	if (!sdl->connection_dialog)
+		return WINPR_ASSERTING_INT_CAST(SSIZE_T, delay);
+
+	sdl->connection_dialog->setTitle("Retry connection to %s",
+	                                 freerdp_settings_get_server_name(instance->context->settings));
+
+	if ((strcmp(what, "arm-transport") != 0) && (strcmp(what, "connection") != 0))
+	{
+		sdl->connection_dialog->showError("Unknown module %s, aborting", what);
+		return -1;
+	}
+
+	if (current == 0)
+	{
+		if (strcmp(what, "arm-transport") == 0)
+			sdl->connection_dialog->showWarn("[%s] Starting your VM. It may take up to 5 minutes",
+			                                 what);
+	}
+
+	const BOOL enabled = freerdp_settings_get_bool(settings, FreeRDP_AutoReconnectionEnabled);
+
+	if (!enabled)
+	{
+		sdl->connection_dialog->showError(
+		    "Automatic reconnection disabled, terminating. Try to connect again later");
+		return -1;
+	}
+
+	const size_t max = freerdp_settings_get_uint32(settings, FreeRDP_AutoReconnectMaxRetries);
+
+	if (current >= max)
+	{
+		sdl->connection_dialog->showError(
+		    "[%s] retries exceeded. Your VM failed to start. Try again later or contact your "
+		    "tech support for help if this keeps happening.",
+		    what);
+		return -1;
+	}
+
+	sdl->connection_dialog->showInfo("[%s] retry %" PRIuz "/%" PRIuz ", delaying %" PRIuz
+	                                 "ms before next attempt",
+	                                 what, current + 1, max, delay);
+	return WINPR_ASSERTING_INT_CAST(SSIZE_T, delay);
+}
+
+BOOL sdl_present_gateway_message(freerdp* instance, [[maybe_unused]] UINT32 type,
+                                 BOOL isDisplayMandatory, BOOL isConsentMandatory, size_t length,
+                                 const WCHAR* wmessage)
+{
+	if (!isDisplayMandatory)
+		return TRUE;
+
+	char* title = nullptr;
+	size_t len = 0;
+	winpr_asprintf(&title, &len, "[gateway]");
+
+	Sint32 flags = 0;
+	if (isConsentMandatory)
+		flags = SHOW_DIALOG_ACCEPT_REJECT;
+	else if (isDisplayMandatory)
+		flags = SHOW_DIALOG_TIMED_ACCEPT;
+	char* message = ConvertWCharNToUtf8Alloc(wmessage, length, nullptr);
+
+	SDLConnectionDialogHider hider(instance);
+	const int rc = sdl_show_dialog(instance->context, title, message, flags);
+	free(title);
+	free(message);
+	return rc > 0;
+}
+
+int sdl_logon_error_info(freerdp* instance, UINT32 data, UINT32 type)
+{
+	int rc = -1;
+	const char* str_data = freerdp_get_logon_error_info_data(data);
+	const char* str_type = freerdp_get_logon_error_info_type(type);
+
+	if (!instance || !instance->context)
+		return -1;
+
+	/* ignore LOGON_MSG_SESSION_CONTINUE message */
+	if (type == LOGON_MSG_SESSION_CONTINUE)
+		return 0;
+
+	SDLConnectionDialogHider hider(instance);
+
+	char* title = nullptr;
+	size_t tlen = 0;
+	winpr_asprintf(&title, &tlen, "[%s] info",
+	               freerdp_settings_get_server_name(instance->context->settings));
+
+	char* message = nullptr;
+	size_t mlen = 0;
+	winpr_asprintf(&message, &mlen, "Logon Error Info %s [%s]", str_data, str_type);
+
+	rc = sdl_show_dialog(instance->context, title, message, SHOW_DIALOG_ACCEPT_REJECT);
+	free(title);
+	free(message);
+	return rc;
+}
+
+static DWORD sdl_show_ceritifcate_dialog(rdpContext* context, const char* title,
+                                         const char* message)
+{
+	SDLConnectionDialogHider hider(context);
+	if (!sdl_push_user_event(SDL_USEREVENT_CERT_DIALOG, title, message))
+		return 0;
+
+	SDL_Event event = {};
+	if (!sdl_wait_for_result(context, SDL_USEREVENT_CERT_RESULT, &event))
+		return 0;
+	return static_cast<DWORD>(event.user.code);
+}
+
+static char* sdl_pem_cert(const char* pem)
+{
+	rdpCertificate* cert = freerdp_certificate_new_from_pem(pem);
+	if (!cert)
+		return nullptr;
+
+	char* fp = freerdp_certificate_get_fingerprint(cert);
+	char* start = freerdp_certificate_get_validity(cert, TRUE);
+	char* end = freerdp_certificate_get_validity(cert, FALSE);
+	freerdp_certificate_free(cert);
+
+	char* str = nullptr;
+	size_t slen = 0;
+	winpr_asprintf(&str, &slen,
+	               "Valid from:  %s\n"
+	               "Valid to:    %s\n"
+	               "Thumbprint:  %s\n",
+	               start, end, fp);
+	free(fp);
+	free(start);
+	free(end);
+	return str;
+}
+
+DWORD sdl_verify_changed_certificate_ex(freerdp* instance, const char* host, UINT16 port,
+                                        const char* common_name, const char* subject,
+                                        const char* issuer, const char* new_fingerprint,
+                                        const char* old_subject, const char* old_issuer,
+                                        const char* old_fingerprint, DWORD flags)
+{
+	const char* type = type_str_for_flags(flags);
+
+	WINPR_ASSERT(instance);
+	WINPR_ASSERT(instance->context);
+	WINPR_ASSERT(instance->context->settings);
+
+	SDLConnectionDialogHider hider(instance);
+	/* Newer versions of FreeRDP allow exposing the whole PEM by setting
+	 * FreeRDP_CertificateCallbackPreferPEM to TRUE
+	 */
+	char* new_fp_str = nullptr;
+	size_t len = 0;
+	if (flags & VERIFY_CERT_FLAG_FP_IS_PEM)
+		new_fp_str = sdl_pem_cert(new_fingerprint);
+	else
+		winpr_asprintf(&new_fp_str, &len, "Thumbprint:  %s\n", new_fingerprint);
+
+	/* Newer versions of FreeRDP allow exposing the whole PEM by setting
+	 * FreeRDP_CertificateCallbackPreferPEM to TRUE
+	 */
+	char* old_fp_str = nullptr;
+	size_t olen = 0;
+	if (flags & VERIFY_CERT_FLAG_FP_IS_PEM)
+		old_fp_str = sdl_pem_cert(old_fingerprint);
+	else
+		winpr_asprintf(&old_fp_str, &olen, "Thumbprint:  %s\n", old_fingerprint);
+
+	const char* collission_str = "";
+	if (flags & VERIFY_CERT_FLAG_MATCH_LEGACY_SHA1)
+	{
+		collission_str =
+		    "A matching entry with legacy SHA1 was found in local known_hosts2 store.\n"
+		    "If you just upgraded from a FreeRDP version before 2.0 this is expected.\n"
+		    "The hashing algorithm has been upgraded from SHA1 to SHA256.\n"
+		    "All manually accepted certificates must be reconfirmed!\n"
+		    "\n";
+	}
+
+	char* title = nullptr;
+	size_t tlen = 0;
+	winpr_asprintf(&title, &tlen, "Certificate for %s:%" PRIu16 " (%s) has changed", host, port,
+	               type);
+
+	char* message = nullptr;
+	size_t mlen = 0;
+	winpr_asprintf(&message, &mlen,
+	               "New Certificate details:\n"
+	               "Common Name: %s\n"
+	               "Subject:     %s\n"
+	               "Issuer:      %s\n"
+	               "%s\n"
+	               "Old Certificate details:\n"
+	               "Subject:     %s\n"
+	               "Issuer:      %s\n"
+	               "%s\n"
+	               "%s\n"
+	               "The above X.509 certificate does not match the certificate used for previous "
+	               "connections.\n"
+	               "This may indicate that the certificate has been tampered with.\n"
+	               "Please contact the administrator of the RDP server and clarify.\n",
+	               common_name, subject, issuer, new_fp_str, old_subject, old_issuer, old_fp_str,
+	               collission_str);
+
+	const DWORD rc = sdl_show_ceritifcate_dialog(instance->context, title, message);
+	free(title);
+	free(message);
+	free(new_fp_str);
+	free(old_fp_str);
+
+	return rc;
+}
+
+DWORD sdl_verify_certificate_ex(freerdp* instance, const char* host, UINT16 port,
+                                const char* common_name, const char* subject, const char* issuer,
+                                const char* fingerprint, DWORD flags)
+{
+	const char* type = type_str_for_flags(flags);
+
+	/* Newer versions of FreeRDP allow exposing the whole PEM by setting
+	 * FreeRDP_CertificateCallbackPreferPEM to TRUE
+	 */
+	char* fp_str = nullptr;
+	size_t len = 0;
+	if (flags & VERIFY_CERT_FLAG_FP_IS_PEM)
+		fp_str = sdl_pem_cert(fingerprint);
+	else
+		winpr_asprintf(&fp_str, &len, "Thumbprint:  %s\n", fingerprint);
+
+	char* title = nullptr;
+	size_t tlen = 0;
+	winpr_asprintf(&title, &tlen, "New certificate for %s:%" PRIu16 " (%s)", host, port, type);
+
+	char* message = nullptr;
+	size_t mlen = 0;
+	winpr_asprintf(
+	    &message, &mlen,
+	    "Common Name: %s\n"
+	    "Subject:     %s\n"
+	    "Issuer:      %s\n"
+	    "%s\n"
+	    "The above X.509 certificate could not be verified, possibly because you do not have\n"
+	    "the CA certificate in your certificate store, or the certificate has expired.\n"
+	    "Please look at the OpenSSL documentation on how to add a private CA to the store.\n",
+	    common_name, subject, issuer, fp_str);
+
+	SDLConnectionDialogHider hider(instance);
+	const DWORD rc = sdl_show_ceritifcate_dialog(instance->context, title, message);
+	free(fp_str);
+	free(title);
+	free(message);
+	return rc;
+}
+
+BOOL sdl_cert_dialog_show(const char* title, const char* message)
+{
+	int buttonid = -1;
+	enum
+	{
+		BUTTONID_CERT_ACCEPT_PERMANENT = 23,
+		BUTTONID_CERT_ACCEPT_TEMPORARY = 24,
+		BUTTONID_CERT_DENY = 25
+	};
+	const SDL_MessageBoxButtonData buttons[] = {
+		{ 0, BUTTONID_CERT_ACCEPT_PERMANENT, "permanent" },
+		{ SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, BUTTONID_CERT_ACCEPT_TEMPORARY, "temporary" },
+		{ SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT, BUTTONID_CERT_DENY, "cancel" }
+	};
+
+	const SDL_MessageBoxData data = { SDL_MESSAGEBOX_WARNING, nullptr, title,  message,
+		                              ARRAYSIZE(buttons),     buttons, nullptr };
+	const int rc = SDL_ShowMessageBox(&data, &buttonid);
+
+	Sint32 value = -1;
+	if (rc < 0)
+		value = 0;
+	else
+	{
+		switch (buttonid)
+		{
+			case BUTTONID_CERT_ACCEPT_PERMANENT:
+				value = 1;
+				break;
+			case BUTTONID_CERT_ACCEPT_TEMPORARY:
+				value = 2;
+				break;
+			default:
+				value = 0;
+				break;
+		}
+	}
+
+	return sdl_push_user_event(SDL_USEREVENT_CERT_RESULT, value);
+}
+
+BOOL sdl_message_dialog_show(const char* title, const char* message, Sint32 flags)
+{
+	int buttonid = -1;
+	enum
+	{
+		BUTTONID_SHOW_ACCEPT = 24,
+		BUTTONID_SHOW_DENY = 25
+	};
+	const SDL_MessageBoxButtonData buttons[] = {
+		{ SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, BUTTONID_SHOW_ACCEPT, "accept" },
+		{ SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT, BUTTONID_SHOW_DENY, "cancel" }
+	};
+
+	const int button_cnt = (flags & SHOW_DIALOG_ACCEPT_REJECT) ? 2 : 1;
+	const SDL_MessageBoxData data = {
+		SDL_MESSAGEBOX_WARNING, nullptr, title, message, button_cnt, buttons, nullptr
+	};
+	const int rc = SDL_ShowMessageBox(&data, &buttonid);
+
+	Sint32 value = -1;
+	if (rc < 0)
+		value = 0;
+	else
+	{
+		switch (buttonid)
+		{
+			case BUTTONID_SHOW_ACCEPT:
+				value = 1;
+				break;
+			default:
+				value = 0;
+				break;
+		}
+	}
+
+	return sdl_push_user_event(SDL_USEREVENT_SHOW_RESULT, value);
+}
+
+BOOL sdl_auth_dialog_show(const SDL_UserAuthArg* args)
+{
+	const std::vector<std::string> auth = { "Username:        ", "Domain:          ",
+		                                    "Password:        " };
+	const std::vector<std::string> authPin = { "Device:       ", "PIN:        " };
+	const std::vector<std::string> gw = { "GatewayUsername: ", "GatewayDomain:   ",
+		                                  "GatewayPassword: " };
+	std::vector<std::string> prompt;
+	Sint32 rc = -1;
+
+	switch (args->result)
+	{
+		case AUTH_SMARTCARD_PIN:
+			prompt = authPin;
+			break;
+		case AUTH_TLS:
+		case AUTH_RDP:
+		case AUTH_NLA:
+			prompt = auth;
+			break;
+		case GW_AUTH_HTTP:
+		case GW_AUTH_RDG:
+		case GW_AUTH_RPC:
+			prompt = gw;
+			break;
+		default:
+			break;
+	}
+
+	std::vector<std::string> result;
+
+	if (!prompt.empty())
+	{
+		std::vector<std::string> initial{ args->user ? args->user : "Smartcard", "" };
+		std::vector<Uint32> flags = { SdlInputWidget::SDL_INPUT_READONLY,
+			                          SdlInputWidget::SDL_INPUT_MASK };
+		if (args->result != AUTH_SMARTCARD_PIN)
+		{
+			initial = { args->user ? args->user : "", args->domain ? args->domain : "",
+				        args->password ? args->password : "" };
+			flags = { 0, 0, SdlInputWidget::SDL_INPUT_MASK };
+		}
+		SdlInputWidgetList ilist(args->title, prompt, initial, flags);
+		rc = ilist.run(result);
+	}
+
+	if ((result.size() < prompt.size()))
+		rc = -1;
+
+	char* user = nullptr;
+	char* domain = nullptr;
+	char* pwd = nullptr;
+	if (rc > 0)
+	{
+		user = _strdup(result.at(0).c_str());
+		if (args->result == AUTH_SMARTCARD_PIN)
+			pwd = _strdup(result.at(1).c_str());
+		else
+		{
+			domain = _strdup(result.at(1).c_str());
+			pwd = _strdup(result.at(2).c_str());
+		}
+	}
+	return sdl_push_user_event(SDL_USEREVENT_AUTH_RESULT, user, domain, pwd, rc);
+}
+
+BOOL sdl_scard_dialog_show(const char* title, Sint32 count, const char** list)
+{
+	const auto scount = WINPR_ASSERTING_INT_CAST(size_t, count);
+	std::vector<std::string> vlist;
+	vlist.reserve(scount);
+	for (size_t x = 0; x < scount; x++)
+		vlist.emplace_back(list[x]);
+	SdlSelectList slist(title, vlist);
+	Sint32 value = slist.run();
+	return sdl_push_user_event(SDL_USEREVENT_SCARD_RESULT, value);
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_dialogs.hpp

@@ -0,0 +1,53 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <winpr/wtypes.h>
+#include <freerdp/freerdp.h>
+
+#include "../sdl_types.hpp"
+#include "../sdl_utils.hpp"
+
+BOOL sdl_authenticate_ex(freerdp* instance, char** username, char** password, char** domain,
+                         rdp_auth_reason reason);
+BOOL sdl_choose_smartcard(freerdp* instance, SmartcardCertInfo** cert_list, DWORD count,
+                          DWORD* choice, BOOL gateway);
+
+SSIZE_T sdl_retry_dialog(freerdp* instance, const char* what, size_t current, void* userarg);
+
+DWORD sdl_verify_certificate_ex(freerdp* instance, const char* host, UINT16 port,
+                                const char* common_name, const char* subject, const char* issuer,
+                                const char* fingerprint, DWORD flags);
+
+DWORD sdl_verify_changed_certificate_ex(freerdp* instance, const char* host, UINT16 port,
+                                        const char* common_name, const char* subject,
+                                        const char* issuer, const char* new_fingerprint,
+                                        const char* old_subject, const char* old_issuer,
+                                        const char* old_fingerprint, DWORD flags);
+
+int sdl_logon_error_info(freerdp* instance, UINT32 data, UINT32 type);
+
+BOOL sdl_present_gateway_message(freerdp* instance, UINT32 type, BOOL isDisplayMandatory,
+                                 BOOL isConsentMandatory, size_t length, const WCHAR* message);
+
+BOOL sdl_message_dialog_show(const char* title, const char* message, Sint32 flags);
+BOOL sdl_cert_dialog_show(const char* title, const char* message);
+BOOL sdl_scard_dialog_show(const char* title, Sint32 count, const char** list);
+BOOL sdl_auth_dialog_show(const SDL_UserAuthArg* args);

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_input.cpp

@@ -0,0 +1,177 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "sdl_input.hpp"
+
+#include <cassert>
+
+#include <string>
+#include <utility>
+
+#include <SDL.h>
+#include <SDL_ttf.h>
+
+#include "sdl_widget.hpp"
+#include "sdl_button.hpp"
+#include "sdl_buttons.hpp"
+
+static const SDL_Color inputbackgroundcolor = { 0x56, 0x56, 0x56, 0xff };
+static const SDL_Color inputhighlightcolor = { 0x80, 0, 0, 0x60 };
+static const SDL_Color inputmouseovercolor = { 0, 0x80, 0, 0x60 };
+static const SDL_Color inputfontcolor = { 0xd1, 0xcf, 0xcd, 0xff };
+static const SDL_Color labelbackgroundcolor = { 0x56, 0x56, 0x56, 0xff };
+static const SDL_Color labelfontcolor = { 0xd1, 0xcf, 0xcd, 0xff };
+static const Uint32 vpadding = 5;
+static const Uint32 hpadding = 10;
+
+SdlInputWidget::SdlInputWidget(SDL_Renderer* renderer, std::string label, std::string initial,
+                               Uint32 flags, size_t offset, size_t width, size_t height)
+    : _flags(flags), _text(std::move(initial)), _text_label(std::move(label)),
+      _label(renderer,
+             { 0, static_cast<int>(offset * (height + vpadding)), static_cast<int>(width),
+               static_cast<int>(height) },
+             false),
+      _input(renderer,
+             { static_cast<int>(width + hpadding), static_cast<int>(offset * (height + vpadding)),
+               static_cast<int>(width), static_cast<int>(height) },
+             true),
+      _highlight(false), _mouseover(false)
+{
+}
+
+SdlInputWidget::SdlInputWidget(SdlInputWidget&& other) noexcept
+    : _flags(other._flags), _text(std::move(other._text)),
+      _text_label(std::move(other._text_label)), _label(std::move(other._label)),
+      _input(std::move(other._input)), _highlight(other._highlight), _mouseover(other._mouseover)
+{
+}
+
+bool SdlInputWidget::fill_label(SDL_Renderer* renderer, SDL_Color color)
+{
+	if (!_label.fill(renderer, color))
+		return false;
+	return _label.update_text(renderer, _text_label, labelfontcolor);
+}
+
+bool SdlInputWidget::update_label(SDL_Renderer* renderer)
+{
+	return _label.update_text(renderer, _text_label, labelfontcolor, labelbackgroundcolor);
+}
+
+bool SdlInputWidget::set_mouseover(SDL_Renderer* renderer, bool mouseOver)
+{
+	if (readonly())
+		return true;
+	_mouseover = mouseOver;
+	return update_input(renderer);
+}
+
+bool SdlInputWidget::set_highlight(SDL_Renderer* renderer, bool highlight)
+{
+	if (readonly())
+		return true;
+	_highlight = highlight;
+	return update_input(renderer);
+}
+
+bool SdlInputWidget::update_input(SDL_Renderer* renderer)
+{
+	std::vector<SDL_Color> colors = { inputbackgroundcolor };
+	if (_highlight)
+		colors.push_back(inputhighlightcolor);
+	if (_mouseover)
+		colors.push_back(inputmouseovercolor);
+
+	if (!_input.fill(renderer, colors))
+		return false;
+	return update_input(renderer, inputfontcolor);
+}
+
+bool SdlInputWidget::resize_input(size_t size)
+{
+	_text.resize(size);
+
+	return true;
+}
+
+bool SdlInputWidget::set_str(SDL_Renderer* renderer, const std::string& text)
+{
+	if (readonly())
+		return true;
+	_text = text;
+	if (!resize_input(_text.size()))
+		return false;
+	return update_input(renderer);
+}
+
+bool SdlInputWidget::remove_str(SDL_Renderer* renderer, size_t count)
+{
+	if (readonly())
+		return true;
+
+	assert(renderer);
+	if (_text.empty())
+		return true;
+
+	if (!resize_input(_text.size() - count))
+		return false;
+	return update_input(renderer);
+}
+
+bool SdlInputWidget::append_str(SDL_Renderer* renderer, const std::string& text)
+{
+	assert(renderer);
+	if (readonly())
+		return true;
+
+	_text.append(text);
+	if (!resize_input(_text.size()))
+		return false;
+	return update_input(renderer);
+}
+
+const SDL_Rect& SdlInputWidget::input_rect() const
+{
+	return _input.rect();
+}
+
+std::string SdlInputWidget::value() const
+{
+	return _text;
+}
+
+bool SdlInputWidget::readonly() const
+{
+	return (_flags & SDL_INPUT_READONLY) != 0;
+}
+
+bool SdlInputWidget::update_input(SDL_Renderer* renderer, SDL_Color fgcolor)
+{
+	std::string text = _text;
+	if (!text.empty())
+	{
+		if (_flags & SDL_INPUT_MASK)
+		{
+			for (char& x : text)
+				x = '*';
+		}
+	}
+
+	return _input.update_text(renderer, text, fgcolor);
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_input.hpp

@@ -0,0 +1,74 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <vector>
+#include <string>
+
+#include <SDL.h>
+#include "sdl_widget.hpp"
+
+class SdlInputWidget
+{
+  public:
+	enum
+	{
+		SDL_INPUT_MASK = 1,
+		SDL_INPUT_READONLY = 2
+	};
+
+	SdlInputWidget(SDL_Renderer* renderer, std::string label, std::string initial, Uint32 flags,
+	               size_t offset, size_t width, size_t height);
+	SdlInputWidget(SdlInputWidget&& other) noexcept;
+	SdlInputWidget(const SdlInputWidget& other) = delete;
+	~SdlInputWidget() = default;
+
+	SdlInputWidget& operator=(const SdlInputWidget& other) = delete;
+	SdlInputWidget& operator=(SdlInputWidget&& other) = delete;
+
+	bool fill_label(SDL_Renderer* renderer, SDL_Color color);
+	bool update_label(SDL_Renderer* renderer);
+
+	bool set_mouseover(SDL_Renderer* renderer, bool mouseOver);
+	bool set_highlight(SDL_Renderer* renderer, bool highlight);
+	bool update_input(SDL_Renderer* renderer);
+	bool resize_input(size_t size);
+
+	bool set_str(SDL_Renderer* renderer, const std::string& text);
+	bool remove_str(SDL_Renderer* renderer, size_t count);
+	bool append_str(SDL_Renderer* renderer, const std::string& text);
+
+	[[nodiscard]] const SDL_Rect& input_rect() const;
+	[[nodiscard]] std::string value() const;
+
+	[[nodiscard]] bool readonly() const;
+
+  protected:
+	bool update_input(SDL_Renderer* renderer, SDL_Color fgcolor);
+
+  private:
+	Uint32 _flags;
+	std::string _text;
+	std::string _text_label;
+	SdlWidget _label;
+	SdlWidget _input;
+	bool _highlight;
+	bool _mouseover;
+};

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_input_widgets.cpp

@@ -0,0 +1,299 @@
+#include <cassert>
+#include <limits>
+#include <algorithm>
+#include <cinttypes>
+
+#include "sdl_input_widgets.hpp"
+
+static const Uint32 vpadding = 5;
+
+SdlInputWidgetList::SdlInputWidgetList(const std::string& title,
+                                       const std::vector<std::string>& labels,
+                                       const std::vector<std::string>& initial,
+                                       const std::vector<Uint32>& flags)
+    : _window(nullptr), _renderer(nullptr)
+{
+	assert(labels.size() == initial.size());
+	assert(labels.size() == flags.size());
+	const std::vector<int> buttonids = { INPUT_BUTTON_ACCEPT, INPUT_BUTTON_CANCEL };
+	const std::vector<std::string> buttonlabels = { "accept", "cancel" };
+
+	const size_t widget_width = 300;
+	const size_t widget_heigth = 50;
+
+	const size_t total_width = widget_width + widget_width;
+	const size_t input_height = labels.size() * (widget_heigth + vpadding) + vpadding;
+	const size_t total_height = input_height + widget_heigth;
+
+	assert(total_width <= INT32_MAX);
+	assert(total_height <= INT32_MAX);
+	Uint32 wflags = SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_MOUSE_FOCUS | SDL_WINDOW_INPUT_FOCUS;
+	auto rc =
+	    SDL_CreateWindowAndRenderer(static_cast<int>(total_width), static_cast<int>(total_height),
+	                                wflags, &_window, &_renderer);
+	if (rc != 0)
+		widget_log_error(rc, "SDL_CreateWindowAndRenderer");
+	else
+	{
+		SDL_SetWindowTitle(_window, title.c_str());
+		for (size_t x = 0; x < labels.size(); x++)
+			_list.emplace_back(_renderer, labels.at(x), initial.at(x), flags.at(x), x, widget_width,
+			                   widget_heigth);
+
+		_buttons.populate(_renderer, buttonlabels, buttonids, total_width,
+		                  static_cast<Sint32>(input_height), static_cast<Sint32>(widget_width),
+		                  static_cast<Sint32>(widget_heigth));
+		_buttons.set_highlight(0);
+	}
+}
+
+ssize_t SdlInputWidgetList::next(ssize_t current)
+{
+	size_t iteration = 0;
+	auto val = static_cast<size_t>(current);
+
+	do
+	{
+		if (iteration >= _list.size())
+			return -1;
+
+		if (iteration == 0)
+		{
+			if (current < 0)
+				val = 0;
+			else
+				val++;
+		}
+		else
+			val++;
+		iteration++;
+		val %= _list.size();
+	} while (!valid(static_cast<ssize_t>(val)));
+	return static_cast<ssize_t>(val);
+}
+
+bool SdlInputWidgetList::valid(ssize_t current) const
+{
+	if (current < 0)
+		return false;
+	auto s = static_cast<size_t>(current);
+	if (s >= _list.size())
+		return false;
+	return !_list.at(s).readonly();
+}
+
+SdlInputWidget* SdlInputWidgetList::get(ssize_t index)
+{
+	if (index < 0)
+		return nullptr;
+	auto s = static_cast<size_t>(index);
+	if (s >= _list.size())
+		return nullptr;
+	return &_list.at(s);
+}
+
+SdlInputWidgetList::~SdlInputWidgetList()
+{
+	_list.clear();
+	_buttons.clear();
+	SDL_DestroyRenderer(_renderer);
+	SDL_DestroyWindow(_window);
+}
+
+bool SdlInputWidgetList::update(SDL_Renderer* renderer)
+{
+	for (auto& btn : _list)
+	{
+		if (!btn.update_label(renderer))
+			return false;
+		if (!btn.update_input(renderer))
+			return false;
+	}
+
+	return _buttons.update(renderer);
+}
+
+ssize_t SdlInputWidgetList::get_index(const SDL_MouseButtonEvent& button)
+{
+	const Sint32 x = button.x;
+	const Sint32 y = button.y;
+
+	assert(_list.size() <= std::numeric_limits<ssize_t>::max());
+	for (size_t i = 0; i < _list.size(); i++)
+	{
+		auto& cur = _list.at(i);
+		auto r = cur.input_rect();
+
+		if ((x >= r.x) && (x <= r.x + r.w) && (y >= r.y) && (y <= r.y + r.h))
+			return static_cast<ssize_t>(i);
+	}
+	return -1;
+}
+
+int SdlInputWidgetList::run(std::vector<std::string>& result)
+{
+	int res = -1;
+	ssize_t LastActiveTextInput = -1;
+	ssize_t CurrentActiveTextInput = next(-1);
+
+	if (!_window || !_renderer)
+		return -2;
+
+	try
+	{
+		bool running = true;
+		std::vector<SDL_Keycode> pressed;
+		while (running)
+		{
+			if (!clear_window(_renderer))
+				throw;
+
+			if (!update(_renderer))
+				throw;
+
+			if (!_buttons.update(_renderer))
+				throw;
+
+			SDL_Event event = {};
+			SDL_WaitEvent(&event);
+			switch (event.type)
+			{
+				case SDL_KEYUP:
+				{
+					auto it = std::remove(pressed.begin(), pressed.end(), event.key.keysym.sym);
+					pressed.erase(it, pressed.end());
+
+					switch (event.key.keysym.sym)
+					{
+						case SDLK_BACKSPACE:
+						{
+							auto cur = get(CurrentActiveTextInput);
+							if (cur)
+							{
+								if (!cur->remove_str(_renderer, 1))
+									throw;
+							}
+						}
+						break;
+						case SDLK_TAB:
+							CurrentActiveTextInput = next(CurrentActiveTextInput);
+							break;
+						case SDLK_RETURN:
+						case SDLK_RETURN2:
+						case SDLK_KP_ENTER:
+							running = false;
+							res = INPUT_BUTTON_ACCEPT;
+							break;
+						case SDLK_ESCAPE:
+							running = false;
+							res = INPUT_BUTTON_CANCEL;
+							break;
+						case SDLK_v:
+							if (pressed.size() == 2)
+							{
+								if ((pressed.at(0) == SDLK_LCTRL) || (pressed.at(0) == SDLK_RCTRL))
+								{
+									auto cur = get(CurrentActiveTextInput);
+									if (cur)
+									{
+										auto text = SDL_GetClipboardText();
+										cur->set_str(_renderer, text);
+									}
+								}
+							}
+							break;
+						default:
+							break;
+					}
+				}
+				break;
+				case SDL_KEYDOWN:
+					pressed.push_back(event.key.keysym.sym);
+					break;
+				case SDL_TEXTINPUT:
+				{
+					auto cur = get(CurrentActiveTextInput);
+					if (cur)
+					{
+						if (!cur->append_str(_renderer, event.text.text))
+							throw;
+					}
+				}
+				break;
+				case SDL_MOUSEMOTION:
+				{
+					auto TextInputIndex = get_index(event.button);
+					for (auto& cur : _list)
+					{
+						if (!cur.set_mouseover(_renderer, false))
+							throw;
+					}
+					if (TextInputIndex >= 0)
+					{
+						auto& cur = _list.at(static_cast<size_t>(TextInputIndex));
+						if (!cur.set_mouseover(_renderer, true))
+							throw;
+					}
+
+					_buttons.set_mouseover(event.button.x, event.button.y);
+				}
+				break;
+				case SDL_MOUSEBUTTONDOWN:
+				{
+					auto val = get_index(event.button);
+					if (valid(val))
+						CurrentActiveTextInput = val;
+
+					auto button = _buttons.get_selected(event.button);
+					if (button)
+					{
+						running = false;
+						if (button->id() == INPUT_BUTTON_CANCEL)
+							res = INPUT_BUTTON_CANCEL;
+						else
+							res = INPUT_BUTTON_ACCEPT;
+					}
+				}
+				break;
+				case SDL_QUIT:
+					res = INPUT_BUTTON_CANCEL;
+					running = false;
+					break;
+				default:
+					break;
+			}
+
+			if (LastActiveTextInput != CurrentActiveTextInput)
+			{
+				if (CurrentActiveTextInput < 0)
+					SDL_StopTextInput();
+				else
+					SDL_StartTextInput();
+				LastActiveTextInput = CurrentActiveTextInput;
+			}
+
+			for (auto& cur : _list)
+			{
+				if (!cur.set_highlight(_renderer, false))
+					throw;
+			}
+			auto cur = get(CurrentActiveTextInput);
+			if (cur)
+			{
+				if (!cur->set_highlight(_renderer, true))
+					throw;
+			}
+
+			SDL_RenderPresent(_renderer);
+		}
+
+		for (auto& cur : _list)
+			result.push_back(cur.value());
+	}
+	catch (...)
+	{
+		res = -2;
+	}
+
+	return res;
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_input_widgets.hpp

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <string>
+#include <vector>
+#include <SDL.h>
+
+#include "sdl_input.hpp"
+#include "sdl_buttons.hpp"
+
+class SdlInputWidgetList
+{
+  public:
+	SdlInputWidgetList(const std::string& title, const std::vector<std::string>& labels,
+	                   const std::vector<std::string>& initial, const std::vector<Uint32>& flags);
+	SdlInputWidgetList(const SdlInputWidgetList& other) = delete;
+	SdlInputWidgetList(SdlInputWidgetList&& other) = delete;
+
+	SdlInputWidgetList& operator=(const SdlInputWidgetList& other) = delete;
+	SdlInputWidgetList& operator=(SdlInputWidgetList&& other) = delete;
+
+	virtual ~SdlInputWidgetList();
+
+	int run(std::vector<std::string>& result);
+
+  protected:
+	bool update(SDL_Renderer* renderer);
+	ssize_t get_index(const SDL_MouseButtonEvent& button);
+
+  private:
+	enum
+	{
+		INPUT_BUTTON_ACCEPT = 1,
+		INPUT_BUTTON_CANCEL = -2
+	};
+
+	ssize_t next(ssize_t current);
+	[[nodiscard]] bool valid(ssize_t current) const;
+	SdlInputWidget* get(ssize_t index);
+
+	SDL_Window* _window;
+	SDL_Renderer* _renderer;
+	std::vector<SdlInputWidget> _list;
+	SdlButtonList _buttons;
+};

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_select.cpp

@@ -0,0 +1,72 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cassert>
+
+#include <string>
+#include <utility>
+
+#include <SDL.h>
+#include <SDL_ttf.h>
+
+#include "sdl_select.hpp"
+#include "sdl_widget.hpp"
+#include "sdl_button.hpp"
+#include "sdl_buttons.hpp"
+#include "sdl_input_widgets.hpp"
+
+static const SDL_Color labelmouseovercolor = { 0, 0x80, 0, 0x60 };
+static const SDL_Color labelbackgroundcolor = { 0x69, 0x66, 0x63, 0xff };
+static const SDL_Color labelhighlightcolor = { 0xcd, 0xca, 0x35, 0x60 };
+static const SDL_Color labelfontcolor = { 0xd1, 0xcf, 0xcd, 0xff };
+
+SdlSelectWidget::SdlSelectWidget(SDL_Renderer* renderer, std::string label, SDL_Rect rect)
+    : SdlWidget(renderer, rect, true), _text(std::move(label)), _mouseover(false), _highlight(false)
+{
+	update_text(renderer);
+}
+
+SdlSelectWidget::SdlSelectWidget(SdlSelectWidget&& other) noexcept = default;
+
+SdlSelectWidget::~SdlSelectWidget() = default;
+
+bool SdlSelectWidget::set_mouseover(SDL_Renderer* renderer, bool mouseOver)
+{
+	_mouseover = mouseOver;
+	return update_text(renderer);
+}
+
+bool SdlSelectWidget::set_highlight(SDL_Renderer* renderer, bool highlight)
+{
+	_highlight = highlight;
+	return update_text(renderer);
+}
+
+bool SdlSelectWidget::update_text(SDL_Renderer* renderer)
+{
+	assert(renderer);
+	std::vector<SDL_Color> colors = { labelbackgroundcolor };
+	if (_highlight)
+		colors.push_back(labelhighlightcolor);
+	if (_mouseover)
+		colors.push_back(labelmouseovercolor);
+	if (!fill(renderer, colors))
+		return false;
+	return SdlWidget::update_text(renderer, _text, labelfontcolor);
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_select.hpp

@@ -0,0 +1,47 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include <SDL.h>
+#include "sdl_widget.hpp"
+
+class SdlSelectWidget : public SdlWidget
+{
+  public:
+	SdlSelectWidget(SDL_Renderer* renderer, std::string label, SDL_Rect rect);
+	SdlSelectWidget(SdlSelectWidget&& other) noexcept;
+	~SdlSelectWidget() override;
+
+	bool set_mouseover(SDL_Renderer* renderer, bool mouseOver);
+	bool set_highlight(SDL_Renderer* renderer, bool highlight);
+	bool update_text(SDL_Renderer* renderer);
+
+	SdlSelectWidget(const SdlSelectWidget& other) = delete;
+	SdlSelectWidget& operator=(const SdlSelectWidget& other) = delete;
+	SdlSelectWidget& operator=(SdlSelectWidget&& other) = delete;
+
+  private:
+	std::string _text;
+	bool _mouseover;
+	bool _highlight;
+};

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_selectlist.cpp

@@ -0,0 +1,217 @@
+#include <cassert>
+
+#include <winpr/cast.h>
+
+#include "sdl_selectlist.hpp"
+
+static const Uint32 vpadding = 5;
+
+SdlSelectList::SdlSelectList(const std::string& title, const std::vector<std::string>& labels)
+    : _window(nullptr), _renderer(nullptr)
+{
+	const size_t widget_height = 50;
+	const size_t widget_width = 600;
+
+	const size_t total_height = labels.size() * (widget_height + vpadding) + vpadding;
+	const size_t height = total_height + widget_height;
+	assert(widget_width <= INT32_MAX);
+	assert(height <= INT32_MAX);
+
+	auto flags = WINPR_ASSERTING_INT_CAST(
+	    uint32_t, SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_MOUSE_FOCUS | SDL_WINDOW_INPUT_FOCUS);
+	auto rc = SDL_CreateWindowAndRenderer(static_cast<int>(widget_width), static_cast<int>(height),
+	                                      flags, &_window, &_renderer);
+	if (rc != 0)
+		widget_log_error(rc, "SDL_CreateWindowAndRenderer");
+	else
+	{
+		SDL_SetWindowTitle(_window, title.c_str());
+
+		SDL_Rect rect = { 0, 0, widget_width, widget_height };
+		for (auto& label : labels)
+		{
+			_list.emplace_back(_renderer, label, rect);
+			rect.y += widget_height + vpadding;
+		}
+
+		const std::vector<int> buttonids = { INPUT_BUTTON_ACCEPT, INPUT_BUTTON_CANCEL };
+		const std::vector<std::string> buttonlabels = { "accept", "cancel" };
+		_buttons.populate(_renderer, buttonlabels, buttonids, widget_width,
+		                  static_cast<Sint32>(total_height), static_cast<Sint32>(widget_width / 2),
+		                  static_cast<Sint32>(widget_height));
+		_buttons.set_highlight(0);
+	}
+}
+
+SdlSelectList::~SdlSelectList()
+{
+	_list.clear();
+	_buttons.clear();
+	SDL_DestroyRenderer(_renderer);
+	SDL_DestroyWindow(_window);
+}
+
+int SdlSelectList::run()
+{
+	int res = -2;
+	ssize_t CurrentActiveTextInput = 0;
+	bool running = true;
+
+	if (!_window || !_renderer)
+		return -2;
+	try
+	{
+		while (running)
+		{
+			if (!clear_window(_renderer))
+				throw;
+
+			if (!update_text())
+				throw;
+
+			if (!_buttons.update(_renderer))
+				throw;
+
+			SDL_Event event = {};
+			SDL_WaitEvent(&event);
+			switch (event.type)
+			{
+				case SDL_KEYDOWN:
+					switch (event.key.keysym.sym)
+					{
+						case SDLK_UP:
+						case SDLK_BACKSPACE:
+							if (CurrentActiveTextInput > 0)
+								CurrentActiveTextInput--;
+							else
+								CurrentActiveTextInput =
+								    WINPR_ASSERTING_INT_CAST(ssize_t, _list.size() - 1);
+							break;
+						case SDLK_DOWN:
+						case SDLK_TAB:
+						{
+							if (CurrentActiveTextInput < 0)
+								CurrentActiveTextInput = 0;
+							else
+								CurrentActiveTextInput++;
+
+							const auto s = _list.size();
+							if (s <= 0)
+								CurrentActiveTextInput = 0;
+							else
+								CurrentActiveTextInput =
+								    CurrentActiveTextInput % WINPR_ASSERTING_INT_CAST(ssize_t, s);
+						}
+						break;
+						case SDLK_RETURN:
+						case SDLK_RETURN2:
+						case SDLK_KP_ENTER:
+							running = false;
+							res = WINPR_ASSERTING_INT_CAST(int, CurrentActiveTextInput);
+							break;
+						case SDLK_ESCAPE:
+							running = false;
+							res = INPUT_BUTTON_CANCEL;
+							break;
+						default:
+							break;
+					}
+					break;
+				case SDL_MOUSEMOTION:
+				{
+					ssize_t TextInputIndex = get_index(event.button);
+					reset_mouseover();
+					if (TextInputIndex >= 0)
+					{
+						auto& cur = _list.at(WINPR_ASSERTING_INT_CAST(size_t, TextInputIndex));
+						if (!cur.set_mouseover(_renderer, true))
+							throw;
+					}
+
+					_buttons.set_mouseover(event.button.x, event.button.y);
+				}
+				break;
+				case SDL_MOUSEBUTTONDOWN:
+				{
+					auto button = _buttons.get_selected(event.button);
+					if (button)
+					{
+						running = false;
+						if (button->id() == INPUT_BUTTON_CANCEL)
+							res = INPUT_BUTTON_CANCEL;
+						else
+							res = static_cast<int>(CurrentActiveTextInput);
+					}
+					else
+					{
+						CurrentActiveTextInput = get_index(event.button);
+					}
+				}
+				break;
+				case SDL_QUIT:
+					res = INPUT_BUTTON_CANCEL;
+					running = false;
+					break;
+				default:
+					break;
+			}
+
+			reset_highlight();
+			if (CurrentActiveTextInput >= 0)
+			{
+				auto& cur = _list.at(WINPR_ASSERTING_INT_CAST(size_t, CurrentActiveTextInput));
+				if (!cur.set_highlight(_renderer, true))
+					throw;
+			}
+
+			SDL_RenderPresent(_renderer);
+		}
+	}
+	catch (...)
+	{
+		return -1;
+	}
+	return res;
+}
+
+ssize_t SdlSelectList::get_index(const SDL_MouseButtonEvent& button)
+{
+	const Sint32 x = button.x;
+	const Sint32 y = button.y;
+	for (size_t i = 0; i < _list.size(); i++)
+	{
+		auto& cur = _list.at(i);
+		auto r = cur.rect();
+
+		if ((x >= r.x) && (x <= r.x + r.w) && (y >= r.y) && (y <= r.y + r.h))
+			return WINPR_ASSERTING_INT_CAST(ssize_t, i);
+	}
+	return -1;
+}
+
+bool SdlSelectList::update_text()
+{
+	for (auto& cur : _list)
+	{
+		if (!cur.update_text(_renderer))
+			return false;
+	}
+
+	return true;
+}
+
+void SdlSelectList::reset_mouseover()
+{
+	for (auto& cur : _list)
+	{
+		cur.set_mouseover(_renderer, false);
+	}
+}
+
+void SdlSelectList::reset_highlight()
+{
+	for (auto& cur : _list)
+	{
+		cur.set_highlight(_renderer, false);
+	}
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_selectlist.hpp

@@ -0,0 +1,41 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include <SDL.h>
+
+#include "sdl_select.hpp"
+#include "sdl_button.hpp"
+#include "sdl_buttons.hpp"
+
+class SdlSelectList
+{
+  public:
+	SdlSelectList(const std::string& title, const std::vector<std::string>& labels);
+	virtual ~SdlSelectList();
+
+	int run();
+
+	SdlSelectList(const SdlSelectList& other) = delete;
+	SdlSelectList(SdlSelectList&& other) = delete;
+	SdlSelectList& operator=(const SdlSelectList& other) = delete;
+	SdlSelectList& operator=(SdlSelectList&& other) = delete;
+
+  private:
+	enum
+	{
+		INPUT_BUTTON_ACCEPT = 0,
+		INPUT_BUTTON_CANCEL = -2
+	};
+
+	ssize_t get_index(const SDL_MouseButtonEvent& button);
+	bool update_text();
+	void reset_mouseover();
+	void reset_highlight();
+
+	SDL_Window* _window;
+	SDL_Renderer* _renderer;
+	std::vector<SdlSelectWidget> _list;
+	SdlButtonList _buttons;
+};

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_widget.cpp

@@ -0,0 +1,291 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cassert>
+#include <cstdio>
+#include <cstdlib>
+#include <algorithm>
+
+#include <SDL.h>
+#include <SDL_ttf.h>
+
+#include "sdl_widget.hpp"
+#include "../sdl_utils.hpp"
+
+#include "res/sdl2_resource_manager.hpp"
+
+#include <freerdp/log.h>
+
+#if defined(WITH_SDL_IMAGE_DIALOGS)
+#include <SDL_image.h>
+#endif
+
+#define TAG CLIENT_TAG("SDL.widget")
+
+static const SDL_Color backgroundcolor = { 0x38, 0x36, 0x35, 0xff };
+
+static const Uint32 hpadding = 10;
+
+SdlWidget::SdlWidget([[maybe_unused]] SDL_Renderer* renderer, SDL_Rect rect, bool input)
+    : _rect(rect), _input(input)
+{
+	assert(renderer);
+
+	auto ops = SDL2ResourceManager::get(SDLResourceManager::typeFonts(),
+	                                    "OpenSans-VariableFont_wdth,wght.ttf");
+	if (!ops)
+		widget_log_error(-1, "SDLResourceManager::get");
+	else
+	{
+		_font = TTF_OpenFontRW(ops, 1, 64);
+		if (!_font)
+			widget_log_error(-1, "TTF_OpenFontRW");
+	}
+}
+
+#if defined(WITH_SDL_IMAGE_DIALOGS)
+SdlWidget::SdlWidget(SDL_Renderer* renderer, SDL_Rect rect, SDL_RWops* ops) : _rect(rect)
+{
+	if (ops)
+	{
+		_image = IMG_LoadTexture_RW(renderer, ops, 1);
+		if (!_image)
+			widget_log_error(-1, "IMG_LoadTextureTyped_RW");
+	}
+}
+#endif
+
+SdlWidget::SdlWidget(SdlWidget&& other) noexcept
+    : _font(other._font), _image(other._image), _rect(other._rect), _input(other._input),
+      _wrap(other._wrap), _text_width(other._text_width)
+{
+	other._font = nullptr;
+	other._image = nullptr;
+}
+
+SDL_Texture* SdlWidget::render_text(SDL_Renderer* renderer, const std::string& text,
+                                    SDL_Color fgcolor, SDL_Rect& src, SDL_Rect& dst)
+{
+	auto surface = TTF_RenderUTF8_Blended(_font, text.c_str(), fgcolor);
+	if (!surface)
+	{
+		widget_log_error(-1, "TTF_RenderText_Blended");
+		return nullptr;
+	}
+
+	auto texture = SDL_CreateTextureFromSurface(renderer, surface);
+	SDL_FreeSurface(surface);
+	if (!texture)
+	{
+		widget_log_error(-1, "SDL_CreateTextureFromSurface");
+		return nullptr;
+	}
+
+	TTF_SizeUTF8(_font, text.c_str(), &src.w, &src.h);
+
+	/* Do some magic:
+	 * - Add padding before and after text
+	 * - if text is too long only show the last elements
+	 * - if text is too short only update used space
+	 */
+	dst = _rect;
+	dst.x += hpadding;
+	dst.w -= 2 * hpadding;
+	const auto scale = static_cast<float>(dst.h) / static_cast<float>(src.h);
+	const auto sws = static_cast<float>(src.w) * scale;
+	const auto dws = static_cast<float>(dst.w) / scale;
+	if (static_cast<float>(dst.w) > sws)
+		dst.w = static_cast<int>(sws);
+	if (static_cast<float>(src.w) > dws)
+	{
+		src.x = src.w - static_cast<int>(dws);
+		src.w = static_cast<int>(dws);
+	}
+	return texture;
+}
+
+static int scale(int w, int h)
+{
+	const auto dw = static_cast<double>(w);
+	const auto dh = static_cast<double>(h);
+	const auto scale = dh / dw;
+	const auto dr = dh * scale;
+	return static_cast<int>(dr);
+}
+
+SDL_Texture* SdlWidget::render_text_wrapped(SDL_Renderer* renderer, const std::string& text,
+                                            SDL_Color fgcolor, SDL_Rect& src, SDL_Rect& dst)
+{
+	Sint32 w = 0;
+	Sint32 h = 0;
+	TTF_SizeUTF8(_font, " ", &w, &h);
+
+	assert(_text_width <= UINT32_MAX);
+	auto surface = TTF_RenderUTF8_Blended_Wrapped(_font, text.c_str(), fgcolor,
+	                                              static_cast<Uint32>(_text_width));
+	if (!surface)
+	{
+		widget_log_error(-1, "TTF_RenderText_Blended");
+		return nullptr;
+	}
+
+	src.w = surface->w;
+	src.h = surface->h;
+
+	auto texture = SDL_CreateTextureFromSurface(renderer, surface);
+	SDL_FreeSurface(surface);
+	if (!texture)
+	{
+		widget_log_error(-1, "SDL_CreateTextureFromSurface");
+		return nullptr;
+	}
+
+	/* Do some magic:
+	 * - Add padding before and after text
+	 * - if text is too long only show the last elements
+	 * - if text is too short only update used space
+	 */
+	dst = _rect;
+	dst.x += hpadding;
+	dst.w -= 2 * hpadding;
+	auto dh = scale(src.w, src.h);
+	dst.h = std::min<int>(dh, dst.h);
+
+	return texture;
+}
+
+SdlWidget::~SdlWidget()
+{
+	TTF_CloseFont(_font);
+	if (_image)
+		SDL_DestroyTexture(_image);
+}
+
+bool SdlWidget::error_ex(Sint32 res, const char* what, const char* file, size_t line,
+                         const char* fkt)
+{
+	static wLog* log = nullptr;
+	if (!log)
+		log = WLog_Get(TAG);
+	return sdl_log_error_ex(res, log, what, file, line, fkt);
+}
+
+static bool draw_rect(SDL_Renderer* renderer, const SDL_Rect* rect, SDL_Color color)
+{
+	const int drc = SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, color.a);
+	if (widget_log_error(drc, "SDL_SetRenderDrawColor"))
+		return false;
+
+	const int rc = SDL_RenderFillRect(renderer, rect);
+	return !widget_log_error(rc, "SDL_RenderFillRect");
+}
+
+bool SdlWidget::fill(SDL_Renderer* renderer, SDL_Color color)
+{
+	std::vector<SDL_Color> colors = { color };
+	return fill(renderer, colors);
+}
+
+bool SdlWidget::fill(SDL_Renderer* renderer, const std::vector<SDL_Color>& colors)
+{
+	assert(renderer);
+	SDL_BlendMode mode = SDL_BLENDMODE_INVALID;
+	SDL_GetRenderDrawBlendMode(renderer, &mode);
+	SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
+	for (auto color : colors)
+	{
+		draw_rect(renderer, &_rect, color);
+		SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD);
+	}
+	SDL_SetRenderDrawBlendMode(renderer, mode);
+	return true;
+}
+
+bool SdlWidget::update_text(SDL_Renderer* renderer, const std::string& text, SDL_Color fgcolor,
+                            SDL_Color bgcolor)
+{
+	assert(renderer);
+
+	if (!fill(renderer, bgcolor))
+		return false;
+	return update_text(renderer, text, fgcolor);
+}
+
+bool SdlWidget::wrap() const
+{
+	return _wrap;
+}
+
+bool SdlWidget::set_wrap(bool wrap, size_t width)
+{
+	_wrap = wrap;
+	_text_width = width;
+	return _wrap;
+}
+
+const SDL_Rect& SdlWidget::rect() const
+{
+	return _rect;
+}
+
+bool SdlWidget::update_text(SDL_Renderer* renderer, const std::string& text, SDL_Color fgcolor)
+{
+
+	if (text.empty())
+		return true;
+
+	SDL_Rect src{};
+	SDL_Rect dst{};
+
+	SDL_Texture* texture = nullptr;
+	if (_image)
+	{
+		texture = _image;
+		dst = _rect;
+		auto rc = SDL_QueryTexture(_image, nullptr, nullptr, &src.w, &src.h);
+		if (rc < 0)
+			widget_log_error(rc, "SDL_QueryTexture");
+	}
+	else if (_wrap)
+		texture = render_text_wrapped(renderer, text, fgcolor, src, dst);
+	else
+		texture = render_text(renderer, text, fgcolor, src, dst);
+	if (!texture)
+		return false;
+
+	const int rc = SDL_RenderCopy(renderer, texture, &src, &dst);
+	if (!_image)
+		SDL_DestroyTexture(texture);
+	if (rc < 0)
+		return !widget_log_error(rc, "SDL_RenderCopy");
+	return true;
+}
+
+bool clear_window(SDL_Renderer* renderer)
+{
+	assert(renderer);
+
+	const int drc = SDL_SetRenderDrawColor(renderer, backgroundcolor.r, backgroundcolor.g,
+	                                       backgroundcolor.b, backgroundcolor.a);
+	if (widget_log_error(drc, "SDL_SetRenderDrawColor"))
+		return false;
+
+	const int rcls = SDL_RenderClear(renderer);
+	return !widget_log_error(rcls, "SDL_RenderClear");
+}

third_party/FreeRDP/client/SDL/SDL2/dialogs/sdl_widget.hpp

@@ -0,0 +1,90 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * SDL Client helper dialogs
+ *
+ * Copyright 2023 Armin Novak <armin.novak@thincast.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <string>
+
+#include <vector>
+#include <SDL.h>
+#include <SDL_ttf.h>
+
+#if defined(_MSC_VER)
+#include <BaseTsd.h>
+typedef SSIZE_T ssize_t;
+#endif
+
+#if !defined(HAS_NOEXCEPT)
+#if defined(__clang__)
+#if __has_feature(cxx_noexcept)
+#define HAS_NOEXCEPT
+#endif
+#elif defined(__GXX_EXPERIMENTAL_CXX0X__) && __GNUC__ * 10 + __GNUC_MINOR__ >= 46 || \
+    defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 190023026
+#define HAS_NOEXCEPT
+#endif
+#endif
+
+#ifndef HAS_NOEXCEPT
+#define noexcept
+#endif
+
+class SdlWidget
+{
+  public:
+	SdlWidget(SDL_Renderer* renderer, SDL_Rect rect, bool input);
+#if defined(WITH_SDL_IMAGE_DIALOGS)
+	SdlWidget(SDL_Renderer* renderer, SDL_Rect rect, SDL_RWops* ops);
+#endif
+	SdlWidget(SdlWidget&& other) noexcept;
+	virtual ~SdlWidget();
+
+	bool fill(SDL_Renderer* renderer, SDL_Color color);
+	bool fill(SDL_Renderer* renderer, const std::vector<SDL_Color>& colors);
+	bool update_text(SDL_Renderer* renderer, const std::string& text, SDL_Color fgcolor);
+	bool update_text(SDL_Renderer* renderer, const std::string& text, SDL_Color fgcolor,
+	                 SDL_Color bgcolor);
+
+	[[nodiscard]] bool wrap() const;
+	bool set_wrap(bool wrap = true, size_t width = 0);
+	[[nodiscard]] const SDL_Rect& rect() const;
+
+#define widget_log_error(res, what) SdlWidget::error_ex(res, what, __FILE__, __LINE__, __func__)
+	static bool error_ex(Sint32 res, const char* what, const char* file, size_t line,
+	                     const char* fkt);
+
+	SdlWidget(const SdlWidget& other) = delete;
+	SdlWidget& operator=(const SdlWidget& other) = delete;
+	SdlWidget& operator=(SdlWidget&& other) = delete;
+
+  private:
+	SDL_Texture* render_text(SDL_Renderer* renderer, const std::string& text, SDL_Color fgcolor,
+	                         SDL_Rect& src, SDL_Rect& dst);
+	SDL_Texture* render_text_wrapped(SDL_Renderer* renderer, const std::string& text,
+	                                 SDL_Color fgcolor, SDL_Rect& src, SDL_Rect& dst);
+
+	TTF_Font* _font = nullptr;
+	SDL_Texture* _image = nullptr;
+	SDL_Rect _rect = {};
+	bool _input = false;
+	bool _wrap = false;
+	size_t _text_width = 0;
+};
+
+bool clear_window(SDL_Renderer* renderer);

third_party/FreeRDP/client/SDL/SDL2/dialogs/test/CMakeLists.txt

@@ -0,0 +1,25 @@
+set(MODULE_NAME "TestSDL")
+set(MODULE_PREFIX "TEST_SDL")
+
+set(DRIVER ${MODULE_NAME}.cpp)
+
+disable_warnings_for_directory(${CMAKE_CURRENT_BINARY_DIR})
+
+set(TEST_SRCS TestSDLDialogs.cpp)
+
+create_test_sourcelist(SRCS ${DRIVER} ${TEST_SRCS})
+
+add_library(${MODULE_NAME} ${SRCS})
+
+list(APPEND LIBS dialogs)
+
+target_link_libraries(${MODULE_NAME} ${LIBS})
+
+set_target_properties(${MODULE_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${TESTING_OUTPUT_DIRECTORY}")
+
+foreach(test ${TESTS})
+  get_filename_component(TestName ${test} NAME_WE)
+  add_test(${TestName} ${TESTING_OUTPUT_DIRECTORY}/${MODULE_NAME} ${TestName})
+endforeach()
+
+set_property(TARGET ${MODULE_NAME} PROPERTY FOLDER "FreeRDP/Client/Test")

third_party/FreeRDP/client/SDL/SDL2/dialogs/test/TestSDLDialogs.cpp

@@ -0,0 +1,99 @@
+#include "../sdl_selectlist.hpp"
+#include "../sdl_input_widgets.hpp"
+
+#include <freerdp/api.h>
+#include <winpr/wlog.h>
+
+BOOL sdl_log_error_ex(Uint32 res, wLog* log, const char* what, const char* file, size_t line,
+                      const char* fkt)
+{
+	return FALSE;
+}
+
+static bool test_input_dialog()
+{
+	const auto title = "sometitle";
+	std::vector<std::string> labels;
+	std::vector<std::string> initial;
+	std::vector<Uint32> flags;
+	for (size_t x = 0; x < 12; x++)
+	{
+		labels.push_back("label" + std::to_string(x));
+		initial.push_back(std::to_string(x));
+
+		Uint32 flag = 0;
+		if ((x % 2) != 0)
+			flag |= SdlInputWidget::SDL_INPUT_MASK;
+		if ((x % 3) == 0)
+			flag |= SdlInputWidget::SDL_INPUT_READONLY;
+
+		flags.push_back(flag);
+	}
+	SdlInputWidgetList list{ title, labels, initial, flags };
+	std::vector<std::string> result;
+	auto rc = list.run(result);
+	if (rc < 0)
+	{
+		return false;
+	}
+	if (result.size() != labels.size())
+	{
+		return false;
+	}
+	return true;
+}
+
+static bool test_select_dialog()
+{
+	const auto title = "sometitle";
+	std::vector<std::string> labels;
+	for (size_t x = 0; x < 12; x++)
+	{
+		labels.push_back("label" + std::to_string(x));
+	}
+	SdlSelectList list{ title, labels };
+	auto rc = list.run();
+	if (rc < 0)
+	{
+		return false;
+	}
+	if (static_cast<size_t>(rc) >= labels.size())
+		return false;
+
+	return true;
+}
+
+extern "C"
+{
+	FREERDP_API int TestSDLDialogs(int argc, char* argv[]);
+}
+
+int TestSDLDialogs(int argc, char* argv[])
+{
+	int rc = 0;
+
+	(void)argc;
+	(void)argv;
+
+#if 0
+	SDL_Init(SDL_INIT_VIDEO);
+	try
+	{
+#if 1
+		if (!test_input_dialog())
+			throw -1;
+#endif
+#if 1
+		if (!test_select_dialog())
+			throw -2;
+#endif
+	}
+	catch (int e)
+	{
+		rc = e;
+	}
+	SDL_Quit();
+
+#endif
+	return rc;
+}