FreeRDP/client/SDL/sdl_utils.cpp

/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 * SDL Client
 *
 * Copyright 2022 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 <assert.h>
#include "sdl_utils.hpp"

#include "sdl_freerdp.hpp"

#include <SDL.h>

const char* sdl_event_type_str(Uint32 type)
{
#define STR(x) #x
#define EV_CASE_STR(x) \
	case x:            \
		return STR(x)

	switch (type)
	{
		EV_CASE_STR(SDL_FIRSTEVENT);
		EV_CASE_STR(SDL_QUIT);
		EV_CASE_STR(SDL_APP_TERMINATING);
		EV_CASE_STR(SDL_APP_LOWMEMORY);
		EV_CASE_STR(SDL_APP_WILLENTERBACKGROUND);
		EV_CASE_STR(SDL_APP_DIDENTERBACKGROUND);
		EV_CASE_STR(SDL_APP_WILLENTERFOREGROUND);
		EV_CASE_STR(SDL_APP_DIDENTERFOREGROUND);
#if SDL_VERSION_ATLEAST(2, 0, 10)
		EV_CASE_STR(SDL_DISPLAYEVENT);
#endif
		EV_CASE_STR(SDL_WINDOWEVENT);
		EV_CASE_STR(SDL_SYSWMEVENT);
		EV_CASE_STR(SDL_KEYDOWN);
		EV_CASE_STR(SDL_KEYUP);
		EV_CASE_STR(SDL_TEXTEDITING);
		EV_CASE_STR(SDL_TEXTINPUT);
		EV_CASE_STR(SDL_KEYMAPCHANGED);
		EV_CASE_STR(SDL_MOUSEMOTION);
		EV_CASE_STR(SDL_MOUSEBUTTONDOWN);
		EV_CASE_STR(SDL_MOUSEBUTTONUP);
		EV_CASE_STR(SDL_MOUSEWHEEL);
		EV_CASE_STR(SDL_JOYAXISMOTION);
		EV_CASE_STR(SDL_JOYBALLMOTION);
		EV_CASE_STR(SDL_JOYHATMOTION);
		EV_CASE_STR(SDL_JOYBUTTONDOWN);
		EV_CASE_STR(SDL_JOYBUTTONUP);
		EV_CASE_STR(SDL_JOYDEVICEADDED);
		EV_CASE_STR(SDL_JOYDEVICEREMOVED);
		EV_CASE_STR(SDL_CONTROLLERAXISMOTION);
		EV_CASE_STR(SDL_CONTROLLERBUTTONDOWN);
		EV_CASE_STR(SDL_CONTROLLERBUTTONUP);
		EV_CASE_STR(SDL_CONTROLLERDEVICEADDED);
		EV_CASE_STR(SDL_CONTROLLERDEVICEREMOVED);
		EV_CASE_STR(SDL_CONTROLLERDEVICEREMAPPED);
#if SDL_VERSION_ATLEAST(2, 0, 14)
		EV_CASE_STR(SDL_LOCALECHANGED);
		EV_CASE_STR(SDL_CONTROLLERTOUCHPADDOWN);
		EV_CASE_STR(SDL_CONTROLLERTOUCHPADMOTION);
		EV_CASE_STR(SDL_CONTROLLERTOUCHPADUP);
		EV_CASE_STR(SDL_CONTROLLERSENSORUPDATE);
#endif
		EV_CASE_STR(SDL_FINGERDOWN);
		EV_CASE_STR(SDL_FINGERUP);
		EV_CASE_STR(SDL_FINGERMOTION);
		EV_CASE_STR(SDL_DOLLARGESTURE);
		EV_CASE_STR(SDL_DOLLARRECORD);
		EV_CASE_STR(SDL_MULTIGESTURE);
		EV_CASE_STR(SDL_CLIPBOARDUPDATE);
		EV_CASE_STR(SDL_DROPFILE);
		EV_CASE_STR(SDL_DROPTEXT);
		EV_CASE_STR(SDL_DROPBEGIN);
		EV_CASE_STR(SDL_DROPCOMPLETE);
		EV_CASE_STR(SDL_AUDIODEVICEADDED);
		EV_CASE_STR(SDL_AUDIODEVICEREMOVED);
#if SDL_VERSION_ATLEAST(2, 0, 9)
		EV_CASE_STR(SDL_SENSORUPDATE);
#endif
		EV_CASE_STR(SDL_RENDER_TARGETS_RESET);
		EV_CASE_STR(SDL_RENDER_DEVICE_RESET);
		EV_CASE_STR(SDL_USEREVENT);

		EV_CASE_STR(SDL_USEREVENT_UPDATE);
		EV_CASE_STR(SDL_USEREVENT_CREATE_WINDOWS);
		EV_CASE_STR(SDL_USEREVENT_WINDOW_RESIZEABLE);
		EV_CASE_STR(SDL_USEREVENT_WINDOW_FULLSCREEN);
		EV_CASE_STR(SDL_USEREVENT_POINTER_NULL);
		EV_CASE_STR(SDL_USEREVENT_POINTER_DEFAULT);
		EV_CASE_STR(SDL_USEREVENT_POINTER_POSITION);
		EV_CASE_STR(SDL_USEREVENT_POINTER_SET);

		EV_CASE_STR(SDL_LASTEVENT);
		default:
			return "SDL_UNKNOWNEVENT";
	}
#undef EV_CASE_STR
#undef STR
}

const char* sdl_error_string(Uint32 res)
{
	if (res == 0)
		return nullptr;

	return SDL_GetError();
}

BOOL sdl_log_error_ex(Uint32 res, wLog* log, const char* what, const char* file, size_t line,
                      const char* fkt)
{
	const char* msg = sdl_error_string(res);

	WINPR_UNUSED(file);

	if (!msg)
		return FALSE;

	WLog_Print(log, WLOG_ERROR, "[%s:%" PRIuz "][%s]: %s", fkt, line, what, msg);
	return TRUE;
}

BOOL sdl_push_user_event(Uint32 type, ...)
{
	SDL_Event ev = { 0 };
	SDL_UserEvent* event = &ev.user;

	va_list ap;
	va_start(ap, type);
	event->type = type;
	switch (type)
	{
		case SDL_USEREVENT_UPDATE:
			event->data1 = va_arg(ap, void*);
			break;
		case SDL_USEREVENT_POINTER_POSITION:
			event->data1 = (void*)(uintptr_t)va_arg(ap, UINT32);
			event->data2 = (void*)(uintptr_t)va_arg(ap, UINT32);
			break;
		case SDL_USEREVENT_POINTER_SET:
			event->data1 = va_arg(ap, void*);
			event->data2 = va_arg(ap, void*);
			break;
		case SDL_USEREVENT_CREATE_WINDOWS:
			event->data1 = (void*)va_arg(ap, void*);
			break;
		case SDL_USEREVENT_WINDOW_FULLSCREEN:
		case SDL_USEREVENT_WINDOW_RESIZEABLE:
			event->data1 = va_arg(ap, void*);
			event->code = va_arg(ap, int);
			break;
		case SDL_USEREVENT_POINTER_NULL:
		case SDL_USEREVENT_POINTER_DEFAULT:
			break;
		default:
			va_end(ap);
			return FALSE;
	}
	va_end(ap);
	return SDL_PushEvent(&ev) == 1;
}

BOOL update_fullscreen(sdlContext* sdl, BOOL enter)
{
	WINPR_ASSERT(sdl);

	CriticalSectionLock lock(sdl->critical);
	for (uint32_t x = 0; x < sdl->windowCount; x++)
	{
		sdl_window_t* window = &sdl->windows[x];
		if (!sdl_push_user_event(SDL_USEREVENT_WINDOW_FULLSCREEN, window->window, enter))
			return FALSE;
	}
	sdl->fullscreen = enter;
	return TRUE;
}

BOOL update_resizeable(sdlContext* sdl, BOOL enable)
{
	WINPR_ASSERT(sdl);

	CriticalSectionLock lock(sdl->critical);

	const rdpSettings* settings = sdl->common.context.settings;
	const BOOL dyn = freerdp_settings_get_bool(settings, FreeRDP_DynamicResolutionUpdate);
	const BOOL smart = freerdp_settings_get_bool(settings, FreeRDP_SmartSizing);
	BOOL use = (dyn && enable) || smart;

	for (uint32_t x = 0; x < sdl->windowCount; x++)
	{
		sdl_window_t* window = &sdl->windows[x];
		if (!sdl_push_user_event(SDL_USEREVENT_WINDOW_RESIZEABLE, window->window, use))
			return FALSE;
	}
	sdl->resizeable = use;

	return TRUE;
}