/
SDLMain.cpp
1565 lines (1407 loc) · 42.4 KB
/
SDLMain.cpp
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// SDL/EGL implementation of the framework.
// This is quite messy due to platform-specific implementations and #ifdef's.
// If your platform is not supported, it is suggested to use Qt instead.
#include <cstdlib>
#include <unistd.h>
#include <pwd.h>
#include "ppsspp_config.h"
#if PPSSPP_PLATFORM(MAC)
#include "SDL2/SDL.h"
#include "SDL2/SDL_syswm.h"
#else
#include "SDL.h"
#include "SDL_syswm.h"
#endif
#include "SDL/SDLJoystick.h"
SDLJoystick *joystick = NULL;
#if PPSSPP_PLATFORM(RPI)
#include <bcm_host.h>
#endif
#include <atomic>
#include <algorithm>
#include <cmath>
#include <csignal>
#include <thread>
#include <locale>
#include "Common/System/Display.h"
#include "Common/System/System.h"
#include "Common/System/Request.h"
#include "Common/System/NativeApp.h"
#include "ext/glslang/glslang/Public/ShaderLang.h"
#include "Common/Data/Format/PNGLoad.h"
#include "Common/Net/Resolve.h"
#include "Common/File/FileUtil.h"
#include "NKCodeFromSDL.h"
#include "Common/Math/math_util.h"
#include "Common/GPU/OpenGL/GLRenderManager.h"
#include "Common/Profiler/Profiler.h"
#if defined(VK_USE_PLATFORM_XLIB_KHR)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#elif defined(VK_USE_PLATFORM_XCB_KHR)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xlib-xcb.h>
#endif
#include "Common/GraphicsContext.h"
#include "Common/TimeUtil.h"
#include "Common/Input/InputState.h"
#include "Common/Input/KeyCodes.h"
#include "Common/Data/Collections/ConstMap.h"
#include "Common/Data/Encoding/Utf8.h"
#include "Common/Thread/ThreadUtil.h"
#include "Core/System.h"
#include "Core/Core.h"
#include "Core/Config.h"
#include "Core/ConfigValues.h"
#include "SDLGLGraphicsContext.h"
#include "SDLVulkanGraphicsContext.h"
#if PPSSPP_PLATFORM(MAC)
#include "SDL2/SDL_vulkan.h"
#else
#include "SDL_vulkan.h"
#endif
#if PPSSPP_PLATFORM(MAC) || PPSSPP_PLATFORM(IOS)
#include "UI/DarwinFileSystemServices.h"
#endif
#if PPSSPP_PLATFORM(MAC)
#include "CocoaBarItems.h"
#endif
#if PPSSPP_PLATFORM(SWITCH)
#define LIBNX_SWKBD_LIMIT 500 // enforced by HOS
extern u32 __nx_applet_type; // Not exposed through a header?
#endif
GlobalUIState lastUIState = UISTATE_MENU;
GlobalUIState GetUIState();
static bool g_QuitRequested = false;
static bool g_RestartRequested = false;
static int g_DesktopWidth = 0;
static int g_DesktopHeight = 0;
static float g_DesktopDPI = 1.0f;
static float g_ForcedDPI = 0.0f; // if this is 0.0f, use g_DesktopDPI
static float g_RefreshRate = 60.f;
static int g_sampleRate = 44100;
static int g_frameCount = 0;
static bool g_rebootEmuThread = false;
static SDL_AudioSpec g_retFmt;
// Window state to be transferred to the main SDL thread.
static std::mutex g_mutexWindow;
struct WindowState {
std::string title;
bool toggleFullScreenNextFrame;
int toggleFullScreenType;
bool clipboardDataAvailable;
std::string clipboardString;
bool update;
};
static WindowState g_windowState;
int getDisplayNumber(void) {
int displayNumber = 0;
char * displayNumberStr;
//get environment
displayNumberStr=getenv("SDL_VIDEO_FULLSCREEN_HEAD");
if (displayNumberStr) {
displayNumber = atoi(displayNumberStr);
}
return displayNumber;
}
void sdl_mixaudio_callback(void *userdata, Uint8 *stream, int len) {
NativeMix((short *)stream, len / (2 * 2), g_sampleRate);
}
static SDL_AudioDeviceID audioDev = 0;
// Must be called after NativeInit().
static void InitSDLAudioDevice(const std::string &name = "") {
SDL_AudioSpec fmt;
memset(&fmt, 0, sizeof(fmt));
fmt.freq = g_sampleRate;
fmt.format = AUDIO_S16;
fmt.channels = 2;
fmt.samples = 256;
fmt.callback = &sdl_mixaudio_callback;
fmt.userdata = nullptr;
std::string startDevice = name;
if (startDevice.empty()) {
startDevice = g_Config.sAudioDevice;
}
audioDev = 0;
if (!startDevice.empty()) {
audioDev = SDL_OpenAudioDevice(startDevice.c_str(), 0, &fmt, &g_retFmt, SDL_AUDIO_ALLOW_FREQUENCY_CHANGE);
if (audioDev <= 0) {
WARN_LOG(AUDIO, "Failed to open audio device: %s", startDevice.c_str());
}
}
if (audioDev <= 0) {
INFO_LOG(AUDIO, "SDL: Trying a different audio device");
audioDev = SDL_OpenAudioDevice(nullptr, 0, &fmt, &g_retFmt, SDL_AUDIO_ALLOW_FREQUENCY_CHANGE);
}
if (audioDev <= 0) {
ERROR_LOG(AUDIO, "Failed to open audio device: %s", SDL_GetError());
} else {
if (g_retFmt.samples != fmt.samples) // Notify, but still use it
ERROR_LOG(AUDIO, "Output audio samples: %d (requested: %d)", g_retFmt.samples, fmt.samples);
if (g_retFmt.format != fmt.format || g_retFmt.channels != fmt.channels) {
ERROR_LOG(AUDIO, "Sound buffer format does not match requested format.");
ERROR_LOG(AUDIO, "Output audio freq: %d (requested: %d)", g_retFmt.freq, fmt.freq);
ERROR_LOG(AUDIO, "Output audio format: %d (requested: %d)", g_retFmt.format, fmt.format);
ERROR_LOG(AUDIO, "Output audio channels: %d (requested: %d)", g_retFmt.channels, fmt.channels);
ERROR_LOG(AUDIO, "Provided output format does not match requirement, turning audio off");
SDL_CloseAudioDevice(audioDev);
}
SDL_PauseAudioDevice(audioDev, 0);
}
}
static void StopSDLAudioDevice() {
if (audioDev > 0) {
SDL_PauseAudioDevice(audioDev, 1);
SDL_CloseAudioDevice(audioDev);
}
}
static void UpdateScreenDPI(SDL_Window *window) {
int drawable_width, window_width;
SDL_GetWindowSize(window, &window_width, NULL);
if (g_Config.iGPUBackend == (int)GPUBackend::OPENGL)
SDL_GL_GetDrawableSize(window, &drawable_width, NULL);
else if (g_Config.iGPUBackend == (int)GPUBackend::VULKAN)
SDL_Vulkan_GetDrawableSize(window, &drawable_width, NULL);
// Round up a little otherwise there would be a gap sometimes
// in fractional scaling
g_DesktopDPI = ((float) drawable_width + 1.0f) / window_width;
// Temporary hack
#if PPSSPP_PLATFORM(MAC) || PPSSPP_PLATFORM(IOS)
if (g_Config.iGPUBackend == (int)GPUBackend::VULKAN) {
g_DesktopDPI = 1.0f;
}
#endif
}
// Simple implementations of System functions
void System_Toast(const char *text) {
#ifdef _WIN32
std::wstring str = ConvertUTF8ToWString(text);
MessageBox(0, str.c_str(), L"Toast!", MB_ICONINFORMATION);
#else
puts(text);
#endif
}
void System_ShowKeyboard() {
// Irrelevant on PC
}
void System_Vibrate(int length_ms) {
// Ignore on PC
}
bool System_MakeRequest(SystemRequestType type, int requestId, const std::string ¶m1, const std::string ¶m2, int param3) {
switch (type) {
case SystemRequestType::RESTART_APP:
g_RestartRequested = true;
// TODO: Also save param1 and then split it into an argv.
return true;
case SystemRequestType::EXIT_APP:
// Do a clean exit
g_QuitRequested = true;
return true;
#if PPSSPP_PLATFORM(SWITCH)
case SystemRequestType::INPUT_TEXT_MODAL: {
// swkbd only works on "real" titles
if (__nx_applet_type != AppletType_Application && __nx_applet_type != AppletType_SystemApplication) {
g_requestManager.PostSystemFailure(requestId);
return true;
}
SwkbdConfig kbd;
Result rc = swkbdCreate(&kbd, 0);
if (R_SUCCEEDED(rc)) {
char buf[LIBNX_SWKBD_LIMIT] = {'\0'};
swkbdConfigMakePresetDefault(&kbd);
swkbdConfigSetHeaderText(&kbd, param1.c_str());
swkbdConfigSetInitialText(&kbd, param2.c_str());
rc = swkbdShow(&kbd, buf, sizeof(buf));
swkbdClose(&kbd);
g_requestManager.PostSystemSuccess(requestId, buf);
return true;
}
g_requestManager.PostSystemFailure(requestId);
return true;
}
#endif // PPSSPP_PLATFORM(SWITCH)
#if PPSSPP_PLATFORM(MAC) || PPSSPP_PLATFORM(IOS)
case SystemRequestType::BROWSE_FOR_FILE:
{
DarwinDirectoryPanelCallback callback = [requestId] (bool success, Path path) {
if (success) {
g_requestManager.PostSystemSuccess(requestId, path.c_str());
} else {
g_requestManager.PostSystemFailure(requestId);
}
};
DarwinFileSystemServices services;
BrowseFileType fileType = (BrowseFileType)param3;
services.presentDirectoryPanel(callback, /* allowFiles = */ true, /* allowDirectories = */ false, fileType);
return true;
}
case SystemRequestType::BROWSE_FOR_FOLDER:
{
DarwinDirectoryPanelCallback callback = [requestId] (bool success, Path path) {
if (success) {
g_requestManager.PostSystemSuccess(requestId, path.c_str());
} else {
g_requestManager.PostSystemFailure(requestId);
}
};
DarwinFileSystemServices services;
services.presentDirectoryPanel(callback, /* allowFiles = */ false, /* allowDirectories = */ true);
return true;
}
#endif
case SystemRequestType::TOGGLE_FULLSCREEN_STATE:
{
std::lock_guard<std::mutex> guard(g_mutexWindow);
g_windowState.update = true;
g_windowState.toggleFullScreenNextFrame = true;
if (param1 == "1") {
g_windowState.toggleFullScreenType = 1;
} else if (param1 == "0") {
g_windowState.toggleFullScreenType = 0;
} else {
// Just toggle.
g_windowState.toggleFullScreenType = -1;
}
return true;
}
case SystemRequestType::SET_WINDOW_TITLE:
{
std::lock_guard<std::mutex> guard(g_mutexWindow);
const char *app_name = System_GetPropertyBool(SYSPROP_APP_GOLD) ? "PPSSPP Gold" : "PPSSPP";
g_windowState.title = param1.empty() ? app_name : param1;
g_windowState.update = true;
return true;
}
case SystemRequestType::COPY_TO_CLIPBOARD:
{
std::lock_guard<std::mutex> guard(g_mutexWindow);
g_windowState.clipboardString = param1;
g_windowState.clipboardDataAvailable = true;
g_windowState.update = true;
return true;
}
case SystemRequestType::SHOW_FILE_IN_FOLDER:
{
#if PPSSPP_PLATFORM(WINDOWS)
SFGAOF flags;
PIDLIST_ABSOLUTE pidl = nullptr;
HRESULT hr = SHParseDisplayName(ConvertUTF8ToWString(ReplaceAll(path, "/", "\\")).c_str(), nullptr, &pidl, 0, &flags);
if (pidl) {
if (SUCCEEDED(hr))
SHOpenFolderAndSelectItems(pidl, 0, NULL, 0);
CoTaskMemFree(pidl);
}
#elif PPSSPP_PLATFORM(MAC)
OSXShowInFinder(param1.c_str());
#elif (PPSSPP_PLATFORM(LINUX) && !PPSSPP_PLATFORM(ANDROID))
pid_t pid = fork();
if (pid < 0)
return true;
if (pid == 0) {
execlp("xdg-open", "xdg-open", param1.c_str(), nullptr);
exit(1);
}
#endif /* PPSSPP_PLATFORM(WINDOWS) */
return true;
}
default:
return false;
}
}
void System_AskForPermission(SystemPermission permission) {}
PermissionStatus System_GetPermissionStatus(SystemPermission permission) { return PERMISSION_STATUS_GRANTED; }
void System_LaunchUrl(LaunchUrlType urlType, const char *url) {
switch (urlType) {
case LaunchUrlType::BROWSER_URL:
case LaunchUrlType::MARKET_URL:
{
#if PPSSPP_PLATFORM(SWITCH)
Uuid uuid = { 0 };
WebWifiConfig conf;
webWifiCreate(&conf, NULL, url, uuid, 0);
webWifiShow(&conf, NULL);
#elif defined(MOBILE_DEVICE)
INFO_LOG(SYSTEM, "Would have gone to %s but LaunchBrowser is not implemented on this platform", url);
#elif defined(_WIN32)
std::wstring wurl = ConvertUTF8ToWString(url);
ShellExecute(NULL, L"open", wurl.c_str(), NULL, NULL, SW_SHOWNORMAL);
#elif defined(__APPLE__)
OSXOpenURL(url);
#else
std::string command = std::string("xdg-open ") + url;
int err = system(command.c_str());
if (err) {
INFO_LOG(SYSTEM, "Would have gone to %s but xdg-utils seems not to be installed", url);
}
#endif
break;
}
case LaunchUrlType::EMAIL_ADDRESS:
{
#if defined(MOBILE_DEVICE)
INFO_LOG(SYSTEM, "Would have opened your email client for %s but LaunchEmail is not implemented on this platform", url);
#elif defined(_WIN32)
std::wstring mailto = std::wstring(L"mailto:") + ConvertUTF8ToWString(url);
ShellExecute(NULL, L"open", mailto.c_str(), NULL, NULL, SW_SHOWNORMAL);
#elif defined(__APPLE__)
std::string mailToURL = std::string("mailto:") + url;
OSXOpenURL(mailToURL.c_str());
#else
std::string command = std::string("xdg-email ") + url;
int err = system(command.c_str());
if (err) {
INFO_LOG(SYSTEM, "Would have gone to %s but xdg-utils seems not to be installed", url);
}
#endif
break;
}
}
}
std::string System_GetProperty(SystemProperty prop) {
switch (prop) {
case SYSPROP_NAME:
#ifdef _WIN32
return "SDL:Windows";
#elif __linux__
return "SDL:Linux";
#elif __APPLE__
return "SDL:macOS";
#elif PPSSPP_PLATFORM(SWITCH)
return "SDL:Horizon";
#else
return "SDL:";
#endif
case SYSPROP_LANGREGION: {
// Get user-preferred locale from OS
setlocale(LC_ALL, "");
std::string locale(setlocale(LC_ALL, NULL));
// Set c and c++ strings back to POSIX
std::locale::global(std::locale("POSIX"));
if (!locale.empty()) {
// Technically, this is an opaque string, but try to find the locale code.
size_t messagesPos = locale.find("LC_MESSAGES=");
if (messagesPos != std::string::npos) {
messagesPos += strlen("LC_MESSAGES=");
size_t semi = locale.find(';', messagesPos);
locale = locale.substr(messagesPos, semi - messagesPos);
}
if (locale.find("_", 0) != std::string::npos) {
if (locale.find(".", 0) != std::string::npos) {
return locale.substr(0, locale.find(".",0));
}
return locale;
}
}
return "en_US";
}
case SYSPROP_CLIPBOARD_TEXT:
return SDL_HasClipboardText() ? SDL_GetClipboardText() : "";
case SYSPROP_AUDIO_DEVICE_LIST:
{
std::string result;
for (int i = 0; i < SDL_GetNumAudioDevices(0); ++i) {
const char *name = SDL_GetAudioDeviceName(i, 0);
if (!name) {
continue;
}
if (i == 0) {
result = name;
} else {
result.append(1, '\0');
result.append(name);
}
}
return result;
}
case SYSPROP_BUILD_VERSION:
return PPSSPP_GIT_VERSION;
case SYSPROP_USER_DOCUMENTS_DIR:
{
const char *home = getenv("HOME");
return home ? std::string(home) : "/";
}
default:
return "";
}
}
std::vector<std::string> System_GetPropertyStringVec(SystemProperty prop) {
std::vector<std::string> result;
switch (prop) {
case SYSPROP_TEMP_DIRS:
if (getenv("TMPDIR") && strlen(getenv("TMPDIR")) != 0)
result.push_back(getenv("TMPDIR"));
if (getenv("TMP") && strlen(getenv("TMP")) != 0)
result.push_back(getenv("TMP"));
if (getenv("TEMP") && strlen(getenv("TEMP")) != 0)
result.push_back(getenv("TEMP"));
return result;
default:
return result;
}
}
int System_GetPropertyInt(SystemProperty prop) {
switch (prop) {
case SYSPROP_AUDIO_SAMPLE_RATE:
return g_retFmt.freq;
case SYSPROP_AUDIO_FRAMES_PER_BUFFER:
return g_retFmt.samples;
case SYSPROP_DEVICE_TYPE:
#if defined(MOBILE_DEVICE)
return DEVICE_TYPE_MOBILE;
#else
return DEVICE_TYPE_DESKTOP;
#endif
case SYSPROP_DISPLAY_COUNT:
return SDL_GetNumVideoDisplays();
case SYSPROP_KEYBOARD_LAYOUT:
{
char q, w, y;
q = SDL_GetKeyFromScancode(SDL_SCANCODE_Q);
w = SDL_GetKeyFromScancode(SDL_SCANCODE_W);
y = SDL_GetKeyFromScancode(SDL_SCANCODE_Y);
if (q == 'a' && w == 'z' && y == 'y')
return KEYBOARD_LAYOUT_AZERTY;
else if (q == 'q' && w == 'w' && y == 'z')
return KEYBOARD_LAYOUT_QWERTZ;
return KEYBOARD_LAYOUT_QWERTY;
}
case SYSPROP_DISPLAY_XRES:
return g_DesktopWidth;
case SYSPROP_DISPLAY_YRES:
return g_DesktopHeight;
default:
return -1;
}
}
float System_GetPropertyFloat(SystemProperty prop) {
switch (prop) {
case SYSPROP_DISPLAY_REFRESH_RATE:
return g_RefreshRate;
case SYSPROP_DISPLAY_DPI:
return (g_ForcedDPI == 0.0f ? g_DesktopDPI : g_ForcedDPI) * 96.0;
case SYSPROP_DISPLAY_SAFE_INSET_LEFT:
case SYSPROP_DISPLAY_SAFE_INSET_RIGHT:
case SYSPROP_DISPLAY_SAFE_INSET_TOP:
case SYSPROP_DISPLAY_SAFE_INSET_BOTTOM:
return 0.0f;
default:
return -1;
}
}
bool System_GetPropertyBool(SystemProperty prop) {
switch (prop) {
case SYSPROP_CAN_SHOW_FILE:
#if PPSSPP_PLATFORM(WINDOWS) || PPSSPP_PLATFORM(MAC) || (PPSSPP_PLATFORM(LINUX) && !PPSSPP_PLATFORM(ANDROID))
return true;
#else
return false;
#endif
case SYSPROP_HAS_OPEN_DIRECTORY:
#if PPSSPP_PLATFORM(WINDOWS)
return true;
#elif PPSSPP_PLATFORM(MAC) || (PPSSPP_PLATFORM(LINUX) && !PPSSPP_PLATFORM(ANDROID))
return true;
#endif
case SYSPROP_HAS_BACK_BUTTON:
return true;
#if PPSSPP_PLATFORM(SWITCH)
case SYSPROP_HAS_TEXT_INPUT_DIALOG:
return __nx_applet_type == AppletType_Application || __nx_applet_type != AppletType_SystemApplication;
case SYSPROP_HAS_KEYBOARD:
return true;
#endif
case SYSPROP_APP_GOLD:
#ifdef GOLD
return true;
#else
return false;
#endif
case SYSPROP_CAN_JIT:
return true;
case SYSPROP_SUPPORTS_OPEN_FILE_IN_EDITOR:
return true; // FileUtil.cpp: OpenFileInEditor
#ifndef HTTPS_NOT_AVAILABLE
case SYSPROP_SUPPORTS_HTTPS:
return !g_Config.bDisableHTTPS;
#endif
#if PPSSPP_PLATFORM(MAC)
case SYSPROP_HAS_FOLDER_BROWSER:
case SYSPROP_HAS_FILE_BROWSER:
return true;
#endif
default:
return false;
}
}
void System_Notify(SystemNotification notification) {
switch (notification) {
case SystemNotification::AUDIO_RESET_DEVICE:
StopSDLAudioDevice();
InitSDLAudioDevice();
break;
default:
break;
}
}
// returns -1 on failure
static int parseInt(const char *str) {
int val;
int retval = sscanf(str, "%d", &val);
printf("%i = scanf %s\n", retval, str);
if (retval != 1) {
return -1;
} else {
return val;
}
}
static float parseFloat(const char *str) {
float val;
int retval = sscanf(str, "%f", &val);
printf("%i = sscanf %s\n", retval, str);
if (retval != 1) {
return -1.0f;
} else {
return val;
}
}
void UpdateWindowState(SDL_Window *window) {
SDL_SetWindowTitle(window, g_windowState.title.c_str());
if (g_windowState.toggleFullScreenNextFrame) {
g_windowState.toggleFullScreenNextFrame = false;
Uint32 window_flags = SDL_GetWindowFlags(window);
if (g_windowState.toggleFullScreenType == -1) {
window_flags ^= SDL_WINDOW_FULLSCREEN_DESKTOP;
} else if (g_windowState.toggleFullScreenType == 1) {
window_flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
} else {
window_flags &= ~SDL_WINDOW_FULLSCREEN_DESKTOP;
}
SDL_SetWindowFullscreen(window, window_flags);
}
if (g_windowState.clipboardDataAvailable) {
SDL_SetClipboardText(g_windowState.clipboardString.c_str());
g_windowState.clipboardDataAvailable = false;
g_windowState.clipboardString.clear();
}
g_windowState.update = false;
}
enum class EmuThreadState {
DISABLED,
START_REQUESTED,
RUNNING,
QUIT_REQUESTED,
STOPPED,
};
static std::thread emuThread;
static std::atomic<int> emuThreadState((int)EmuThreadState::DISABLED);
static void EmuThreadFunc(GraphicsContext *graphicsContext) {
SetCurrentThreadName("Emu");
// There's no real requirement that NativeInit happen on this thread.
// We just call the update/render loop here.
emuThreadState = (int)EmuThreadState::RUNNING;
NativeInitGraphics(graphicsContext);
while (emuThreadState != (int)EmuThreadState::QUIT_REQUESTED) {
UpdateRunLoop(graphicsContext);
}
emuThreadState = (int)EmuThreadState::STOPPED;
graphicsContext->StopThread();
NativeShutdownGraphics();
}
static void EmuThreadStart(GraphicsContext *context) {
emuThreadState = (int)EmuThreadState::START_REQUESTED;
emuThread = std::thread(&EmuThreadFunc, context);
}
static void EmuThreadStop(const char *reason) {
emuThreadState = (int)EmuThreadState::QUIT_REQUESTED;
}
static void EmuThreadJoin() {
emuThread.join();
emuThread = std::thread();
}
struct InputStateTracker {
void TranslateMouseWheel() {
// SDL2 doesn't consider the mousewheel a button anymore
// so let's send the KEY_UP if it was moved after some frames
if (mouseWheelMovedUpFrames > 0) {
mouseWheelMovedUpFrames--;
if (mouseWheelMovedUpFrames == 0) {
KeyInput key;
key.deviceId = DEVICE_ID_MOUSE;
key.keyCode = NKCODE_EXT_MOUSEWHEEL_UP;
key.flags = KEY_UP;
NativeKey(key);
}
}
if (mouseWheelMovedDownFrames > 0) {
mouseWheelMovedDownFrames--;
if (mouseWheelMovedDownFrames == 0) {
KeyInput key;
key.deviceId = DEVICE_ID_MOUSE;
key.keyCode = NKCODE_EXT_MOUSEWHEEL_DOWN;
key.flags = KEY_UP;
NativeKey(key);
}
}
}
void MouseControl() {
// Disabled by default, needs a workaround to map to psp keys.
if (g_Config.bMouseControl) {
float scaleFactor_x = g_display.dpi_scale_x * 0.1 * g_Config.fMouseSensitivity;
float scaleFactor_y = g_display.dpi_scale_y * 0.1 * g_Config.fMouseSensitivity;
AxisInput axis[2];
axis[0].axisId = JOYSTICK_AXIS_MOUSE_REL_X;
axis[0].deviceId = DEVICE_ID_MOUSE;
axis[0].value = std::max(-1.0f, std::min(1.0f, mouseDeltaX * scaleFactor_x));
axis[1].axisId = JOYSTICK_AXIS_MOUSE_REL_Y;
axis[1].deviceId = DEVICE_ID_MOUSE;
axis[1].value = std::max(-1.0f, std::min(1.0f, mouseDeltaY * scaleFactor_y));
if (GetUIState() == UISTATE_INGAME || g_Config.bMapMouse) {
NativeAxis(axis, 2);
}
mouseDeltaX *= g_Config.fMouseSmoothing;
mouseDeltaY *= g_Config.fMouseSmoothing;
}
}
void MouseCaptureControl() {
bool captureMouseCondition = g_Config.bMouseControl && ((GetUIState() == UISTATE_INGAME && g_Config.bMouseConfine) || g_Config.bMapMouse);
if (mouseCaptured != captureMouseCondition) {
mouseCaptured = captureMouseCondition;
if (captureMouseCondition)
SDL_SetRelativeMouseMode(SDL_TRUE);
else
SDL_SetRelativeMouseMode(SDL_FALSE);
}
}
bool mouseDown;
float mouseDeltaX;
float mouseDeltaY;
int mouseWheelMovedUpFrames;
int mouseWheelMovedDownFrames;
bool mouseCaptured;
};
static void ProcessSDLEvent(SDL_Window *window, const SDL_Event &event, InputStateTracker *inputTracker) {
// We have to juggle around 3 kinds of "DPI spaces" if a logical DPI is
// provided (through --dpi, it is equal to system DPI if unspecified):
// - SDL gives us motion events in "system DPI" points
// - UpdateScreenScale expects pixels, so in a way "96 DPI" points
// - The UI code expects motion events in "logical DPI" points
float mx = event.motion.x * g_DesktopDPI * g_display.dpi_scale_x;
float my = event.motion.y * g_DesktopDPI * g_display.dpi_scale_x;
switch (event.type) {
case SDL_QUIT:
g_QuitRequested = 1;
break;
#if !defined(MOBILE_DEVICE)
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_SIZE_CHANGED: // better than RESIZED, more general
{
int new_width = event.window.data1;
int new_height = event.window.data2;
// The size given by SDL is in point-units, convert these to
// pixels before passing to UpdateScreenScale()
int new_width_px = new_width * g_DesktopDPI;
int new_height_px = new_height * g_DesktopDPI;
Core_NotifyWindowHidden(false);
Uint32 window_flags = SDL_GetWindowFlags(window);
bool fullscreen = (window_flags & SDL_WINDOW_FULLSCREEN);
// This one calls NativeResized if the size changed.
UpdateScreenScale(new_width_px, new_height_px);
// Set variable here in case fullscreen was toggled by hotkey
if (g_Config.UseFullScreen() != fullscreen) {
g_Config.bFullScreen = fullscreen;
g_Config.iForceFullScreen = -1;
} else {
// It is possible for the monitor to change DPI, so recalculate
// DPI on each resize event.
UpdateScreenDPI(window);
}
if (!g_Config.bFullScreen) {
g_Config.iWindowWidth = new_width;
g_Config.iWindowHeight = new_height;
}
// Hide/Show cursor correctly toggling fullscreen
if (lastUIState == UISTATE_INGAME && fullscreen && !g_Config.bShowTouchControls) {
SDL_ShowCursor(SDL_DISABLE);
} else if (lastUIState != UISTATE_INGAME || !fullscreen) {
SDL_ShowCursor(SDL_ENABLE);
}
break;
}
case SDL_WINDOWEVENT_MOVED:
{
int x = event.window.data1;
int y = event.window.data2;
Uint32 window_flags = SDL_GetWindowFlags(window);
bool fullscreen = (window_flags & SDL_WINDOW_FULLSCREEN);
if (!fullscreen) {
g_Config.iWindowX = x;
g_Config.iWindowY = y;
}
break;
}
case SDL_WINDOWEVENT_MINIMIZED:
case SDL_WINDOWEVENT_HIDDEN:
Core_NotifyWindowHidden(true);
break;
case SDL_WINDOWEVENT_EXPOSED:
case SDL_WINDOWEVENT_SHOWN:
Core_NotifyWindowHidden(false);
break;
default:
break;
}
break;
#endif
case SDL_KEYDOWN:
{
if (event.key.repeat > 0) { break;}
int k = event.key.keysym.sym;
KeyInput key;
key.flags = KEY_DOWN;
auto mapped = KeyMapRawSDLtoNative.find(k);
if (mapped == KeyMapRawSDLtoNative.end() || mapped->second == NKCODE_UNKNOWN) {
break;
}
key.keyCode = mapped->second;
key.deviceId = DEVICE_ID_KEYBOARD;
NativeKey(key);
#ifdef _DEBUG
if (k == SDLK_F7) {
printf("f7 pressed - rebooting emuthread\n");
g_rebootEmuThread = true;
}
#endif
break;
}
case SDL_KEYUP:
{
if (event.key.repeat > 0) { break;}
int k = event.key.keysym.sym;
KeyInput key;
key.flags = KEY_UP;
auto mapped = KeyMapRawSDLtoNative.find(k);
if (mapped == KeyMapRawSDLtoNative.end() || mapped->second == NKCODE_UNKNOWN) {
break;
}
key.keyCode = mapped->second;
key.deviceId = DEVICE_ID_KEYBOARD;
NativeKey(key);
break;
}
case SDL_TEXTINPUT:
{
int pos = 0;
int c = u8_nextchar(event.text.text, &pos);
KeyInput key;
key.flags = KEY_CHAR;
key.unicodeChar = c;
key.deviceId = DEVICE_ID_KEYBOARD;
NativeKey(key);
break;
}
// This behavior doesn't feel right on a macbook with a touchpad.
#if !PPSSPP_PLATFORM(MAC)
case SDL_FINGERMOTION:
{
int w, h;
SDL_GetWindowSize(window, &w, &h);
TouchInput input;
input.id = event.tfinger.fingerId;
input.x = event.tfinger.x * w * g_DesktopDPI * g_display.dpi_scale_x;
input.y = event.tfinger.y * h * g_DesktopDPI * g_display.dpi_scale_x;
input.flags = TOUCH_MOVE;
input.timestamp = event.tfinger.timestamp;
NativeTouch(input);
break;
}
case SDL_FINGERDOWN:
{
int w, h;
SDL_GetWindowSize(window, &w, &h);
TouchInput input;
input.id = event.tfinger.fingerId;
input.x = event.tfinger.x * w * g_DesktopDPI * g_display.dpi_scale_x;
input.y = event.tfinger.y * h * g_DesktopDPI * g_display.dpi_scale_x;
input.flags = TOUCH_DOWN;
input.timestamp = event.tfinger.timestamp;
NativeTouch(input);
KeyInput key;
key.deviceId = DEVICE_ID_MOUSE;
key.keyCode = NKCODE_EXT_MOUSEBUTTON_1;
key.flags = KEY_DOWN;
NativeKey(key);
break;
}
case SDL_FINGERUP:
{
int w, h;
SDL_GetWindowSize(window, &w, &h);
TouchInput input;
input.id = event.tfinger.fingerId;
input.x = event.tfinger.x * w * g_DesktopDPI * g_display.dpi_scale_x;
input.y = event.tfinger.y * h * g_DesktopDPI * g_display.dpi_scale_x;
input.flags = TOUCH_UP;
input.timestamp = event.tfinger.timestamp;
NativeTouch(input);
KeyInput key;
key.deviceId = DEVICE_ID_MOUSE;
key.keyCode = NKCODE_EXT_MOUSEBUTTON_1;
key.flags = KEY_UP;
NativeKey(key);
break;
}
#endif
case SDL_MOUSEBUTTONDOWN:
switch (event.button.button) {
case SDL_BUTTON_LEFT:
{
inputTracker->mouseDown = true;
TouchInput input{};
input.x = mx;
input.y = my;
input.flags = TOUCH_DOWN | TOUCH_MOUSE;
input.id = 0;
NativeTouch(input);
KeyInput key(DEVICE_ID_MOUSE, NKCODE_EXT_MOUSEBUTTON_1, KEY_DOWN);
NativeKey(key);
}
break;
case SDL_BUTTON_RIGHT:
{
KeyInput key(DEVICE_ID_MOUSE, NKCODE_EXT_MOUSEBUTTON_2, KEY_DOWN);
NativeKey(key);
}
break;
case SDL_BUTTON_MIDDLE:
{
KeyInput key(DEVICE_ID_MOUSE, NKCODE_EXT_MOUSEBUTTON_3, KEY_DOWN);
NativeKey(key);
}
break;
case SDL_BUTTON_X1:
{
KeyInput key(DEVICE_ID_MOUSE, NKCODE_EXT_MOUSEBUTTON_4, KEY_DOWN);
NativeKey(key);
}
break;
case SDL_BUTTON_X2:
{
KeyInput key(DEVICE_ID_MOUSE, NKCODE_EXT_MOUSEBUTTON_5, KEY_DOWN);
NativeKey(key);
}
break;
}
break;
case SDL_MOUSEWHEEL:
{
KeyInput key;
key.deviceId = DEVICE_ID_MOUSE;
key.flags = KEY_DOWN;
#if SDL_VERSION_ATLEAST(2, 0, 18)
if (event.wheel.preciseY != 0.0f) {
// Should the scale be DPI-driven?
const float scale = 30.0f;
key.keyCode = event.wheel.preciseY > 0 ? NKCODE_EXT_MOUSEWHEEL_UP : NKCODE_EXT_MOUSEWHEEL_DOWN;
key.flags |= KEY_HASWHEELDELTA;
int wheelDelta = event.wheel.preciseY * scale;