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RetroArch/uwp/uwp_main.cpp
libretroadmin 238f887931 Get rid of initial for loop C89 noncompliance 
* uwp_main.c - code style cleanups
2023-04-23 10:47:09 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2018 - Krzysztof Haładyn
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <ppltasks.h>
#include <collection.h>
#include <windows.devices.enumeration.h>
#include <boolean.h>
#include <encodings/utf.h>
#include <string/stdstring.h>
#include <lists/string_list.h>
#include <queues/task_queue.h>
#include <retro_timers.h>
#include <sstream>
#include <iomanip>
#include "configuration.h"
#include "paths.h"
#include "uwp_main.h"
#include "../retroarch.h"
#include "../frontend/frontend.h"
#include "../input/input_keymaps.h"
#include "../verbosity.h"
#include "uwp_func.h"
#include "uwp_async.h"
using namespace RetroArchUWP;
using namespace concurrency;
using namespace Windows::ApplicationModel;
using namespace Windows::ApplicationModel::Core;
using namespace Windows::ApplicationModel::Activation;
using namespace Windows::UI::Core;
using namespace Windows::UI::Input;
using namespace Windows::UI::ViewManagement;
using namespace Windows::Devices::Input;
using namespace Windows::System;
using namespace Windows::System::Profile;
using namespace Windows::Foundation;
using namespace Windows::Foundation::Collections;
using namespace Windows::Graphics::Display;
using namespace Windows::Devices::Enumeration;
using namespace Windows::Storage;
char uwp_dir_install[PATH_MAX_LENGTH] = { 0 };
char uwp_dir_data[PATH_MAX_LENGTH] = { 0 };
char uwp_device_family[128] = { 0 };
char win32_cpu_model_name[128] = { 0 };
/* Some keys are unavailable in the VirtualKey enum (wtf) but the old-style
* constants work */
const struct rarch_key_map rarch_key_map_uwp[] = {
{ (unsigned int)VirtualKey::Back, RETROK_BACKSPACE },
{ (unsigned int)VirtualKey::Tab, RETROK_TAB },
{ (unsigned int)VirtualKey::Clear, RETROK_CLEAR },
{ (unsigned int)VirtualKey::Enter, RETROK_RETURN },
{ (unsigned int)VirtualKey::Pause, RETROK_PAUSE },
{ (unsigned int)VirtualKey::Escape, RETROK_ESCAPE },
{ (unsigned int)VirtualKey::ModeChange, RETROK_MODE },
{ (unsigned int)VirtualKey::Space, RETROK_SPACE },
{ (unsigned int)VirtualKey::PageUp, RETROK_PAGEUP },
{ (unsigned int)VirtualKey::PageDown, RETROK_PAGEDOWN },
{ (unsigned int)VirtualKey::End, RETROK_END },
{ (unsigned int)VirtualKey::Home, RETROK_HOME },
{ (unsigned int)VirtualKey::Left, RETROK_LEFT },
{ (unsigned int)VirtualKey::Up, RETROK_UP },
{ (unsigned int)VirtualKey::Right, RETROK_RIGHT },
{ (unsigned int)VirtualKey::Down, RETROK_DOWN },
{ (unsigned int)VirtualKey::Print, RETROK_PRINT },
{ (unsigned int)VirtualKey::Insert, RETROK_INSERT },
{ (unsigned int)VirtualKey::Delete, RETROK_DELETE },
{ (unsigned int)VirtualKey::Help, RETROK_HELP },
{ (unsigned int)VirtualKey::Number0, RETROK_0 },
{ (unsigned int)VirtualKey::Number1, RETROK_1 },
{ (unsigned int)VirtualKey::Number2, RETROK_2 },
{ (unsigned int)VirtualKey::Number3, RETROK_3 },
{ (unsigned int)VirtualKey::Number4, RETROK_4 },
{ (unsigned int)VirtualKey::Number5, RETROK_5 },
{ (unsigned int)VirtualKey::Number6, RETROK_6 },
{ (unsigned int)VirtualKey::Number7, RETROK_7 },
{ (unsigned int)VirtualKey::Number8, RETROK_8 },
{ (unsigned int)VirtualKey::Number9, RETROK_9 },
{ (unsigned int)VirtualKey::A, RETROK_a },
{ (unsigned int)VirtualKey::B, RETROK_b },
{ (unsigned int)VirtualKey::C, RETROK_c },
{ (unsigned int)VirtualKey::D, RETROK_d },
{ (unsigned int)VirtualKey::E, RETROK_e },
{ (unsigned int)VirtualKey::F, RETROK_f },
{ (unsigned int)VirtualKey::G, RETROK_g },
{ (unsigned int)VirtualKey::H, RETROK_h },
{ (unsigned int)VirtualKey::I, RETROK_i },
{ (unsigned int)VirtualKey::J, RETROK_j },
{ (unsigned int)VirtualKey::K, RETROK_k },
{ (unsigned int)VirtualKey::L, RETROK_l },
{ (unsigned int)VirtualKey::M, RETROK_m },
{ (unsigned int)VirtualKey::N, RETROK_n },
{ (unsigned int)VirtualKey::O, RETROK_o },
{ (unsigned int)VirtualKey::P, RETROK_p },
{ (unsigned int)VirtualKey::Q, RETROK_q },
{ (unsigned int)VirtualKey::R, RETROK_r },
{ (unsigned int)VirtualKey::S, RETROK_s },
{ (unsigned int)VirtualKey::T, RETROK_t },
{ (unsigned int)VirtualKey::U, RETROK_u },
{ (unsigned int)VirtualKey::V, RETROK_v },
{ (unsigned int)VirtualKey::W, RETROK_w },
{ (unsigned int)VirtualKey::X, RETROK_x },
{ (unsigned int)VirtualKey::Y, RETROK_y },
{ (unsigned int)VirtualKey::Z, RETROK_z },
{ (unsigned int)VirtualKey::LeftWindows, RETROK_LSUPER },
{ (unsigned int)VirtualKey::RightWindows, RETROK_RSUPER },
{ (unsigned int)VirtualKey::Application, RETROK_MENU },
{ (unsigned int)VirtualKey::NumberPad0, RETROK_KP0 },
{ (unsigned int)VirtualKey::NumberPad1, RETROK_KP1 },
{ (unsigned int)VirtualKey::NumberPad2, RETROK_KP2 },
{ (unsigned int)VirtualKey::NumberPad3, RETROK_KP3 },
{ (unsigned int)VirtualKey::NumberPad4, RETROK_KP4 },
{ (unsigned int)VirtualKey::NumberPad5, RETROK_KP5 },
{ (unsigned int)VirtualKey::NumberPad6, RETROK_KP6 },
{ (unsigned int)VirtualKey::NumberPad7, RETROK_KP7 },
{ (unsigned int)VirtualKey::NumberPad8, RETROK_KP8 },
{ (unsigned int)VirtualKey::NumberPad9, RETROK_KP9 },
{ (unsigned int)VirtualKey::Multiply, RETROK_KP_MULTIPLY },
{ (unsigned int)VirtualKey::Add, RETROK_KP_PLUS },
{ (unsigned int)VirtualKey::Subtract, RETROK_KP_MINUS },
{ (unsigned int)VirtualKey::Decimal, RETROK_KP_PERIOD },
{ (unsigned int)VirtualKey::Divide, RETROK_KP_DIVIDE },
{ (unsigned int)VirtualKey::F1, RETROK_F1 },
{ (unsigned int)VirtualKey::F2, RETROK_F2 },
{ (unsigned int)VirtualKey::F3, RETROK_F3 },
{ (unsigned int)VirtualKey::F4, RETROK_F4 },
{ (unsigned int)VirtualKey::F5, RETROK_F5 },
{ (unsigned int)VirtualKey::F6, RETROK_F6 },
{ (unsigned int)VirtualKey::F7, RETROK_F7 },
{ (unsigned int)VirtualKey::F8, RETROK_F8 },
{ (unsigned int)VirtualKey::F9, RETROK_F9 },
{ (unsigned int)VirtualKey::F10, RETROK_F10 },
{ (unsigned int)VirtualKey::F11, RETROK_F11 },
{ (unsigned int)VirtualKey::F12, RETROK_F12 },
{ (unsigned int)VirtualKey::F13, RETROK_F13 },
{ (unsigned int)VirtualKey::F14, RETROK_F14 },
{ (unsigned int)VirtualKey::F15, RETROK_F15 },
{ (unsigned int)VirtualKey::NumberKeyLock, RETROK_NUMLOCK },
{ (unsigned int)VirtualKey::Scroll, RETROK_SCROLLOCK },
{ (unsigned int)VirtualKey::LeftShift, RETROK_LSHIFT },
{ (unsigned int)VirtualKey::RightShift, RETROK_RSHIFT },
{ (unsigned int)VirtualKey::LeftControl, RETROK_LCTRL },
{ (unsigned int)VirtualKey::RightControl, RETROK_RCTRL },
{ (unsigned int)VirtualKey::LeftMenu, RETROK_LALT },
{ (unsigned int)VirtualKey::RightMenu, RETROK_RALT },
{ VK_RETURN, RETROK_KP_ENTER },
{ (unsigned int)VirtualKey::CapitalLock, RETROK_CAPSLOCK },
{ VK_OEM_1, RETROK_SEMICOLON },
{ VK_OEM_PLUS, RETROK_EQUALS },
{ VK_OEM_COMMA, RETROK_COMMA },
{ VK_OEM_MINUS, RETROK_MINUS },
{ VK_OEM_PERIOD, RETROK_PERIOD },
{ VK_OEM_2, RETROK_SLASH },
{ VK_OEM_3, RETROK_BACKQUOTE },
{ VK_OEM_4, RETROK_LEFTBRACKET },
{ VK_OEM_5, RETROK_BACKSLASH },
{ VK_OEM_6, RETROK_RIGHTBRACKET },
{ VK_OEM_7, RETROK_QUOTE },
{ 0, RETROK_UNKNOWN }
};
#define MAX_TOUCH 16
struct input_pointer
{
int id;
int16_t x;
int16_t y;
int16_t full_x;
int16_t full_y;
bool isInContact;
};
struct uwp_input_state_t
{
struct input_pointer touch[MAX_TOUCH]; /* int alignment */
unsigned touch_count;
int16_t mouse_screen_x;
int16_t mouse_screen_y;
int16_t mouse_rel_x;
int16_t mouse_rel_y;
int16_t mouse_wheel_left;
int16_t mouse_wheel_up;
bool mouse_left;
bool mouse_right;
bool mouse_middle;
bool mouse_button4;
bool mouse_button5;
};
struct uwp_input_state_t uwp_current_input, uwp_next_input;
/* Taken from DirectX UWP samples - on Xbox, everything is scaled 200%,
* so getting the DPI calculation correct is crucial */
static inline float ConvertDipsToPixels(float dips, float dpi)
{
static const float dips_per_inch = 96.0f;
return floorf(dips * dpi / dips_per_inch + 0.5f);
}
/* The main function is only used to initialize our IFrameworkView class. */
[Platform::MTAThread]
int main(Platform::Array<Platform::String^>^)
{
DWORD dwAttrib;
char vfs_cache_dir[MAX_PATH];
Platform::String^ local_folder =
Windows::Storage::ApplicationData::Current->LocalFolder->Path;
Platform::String^ install_dir = Windows::ApplicationModel::Package::Current->InstalledLocation->Path + L"\\";
Platform::String^ data_dir = local_folder + L"\\";
/* Delete VFS cache dir, we do this because this allows a far more
* concise implementation than manually implementing a function to do this
* This may be a little slower but shouldn't really matter as the cache dir
* should never have more than a few items */
Platform::String^ vfs_dir = local_folder + L"\\VFSCACHE";
wcstombs(uwp_dir_install, install_dir->Data(), sizeof(uwp_dir_install));
wcstombs(uwp_dir_data, data_dir->Data(), sizeof(uwp_dir_data));
wcstombs(vfs_cache_dir, vfs_dir->Data(), sizeof(vfs_cache_dir));
dwAttrib = GetFileAttributesA(vfs_cache_dir);
if ((dwAttrib != INVALID_FILE_ATTRIBUTES) && (dwAttrib & FILE_ATTRIBUTE_DIRECTORY))
{
concurrency::task<StorageFolder^> vfsdirtask = concurrency::create_task(StorageFolder::GetFolderFromPathAsync(vfs_dir));
vfsdirtask.wait();
StorageFolder^ vfsdir = vfsdirtask.get();
vfsdir->DeleteAsync();
}
wcstombs(uwp_device_family,
AnalyticsInfo::VersionInfo->DeviceFamily->Data(),
sizeof(uwp_device_family));
RARCH_LOG("Data dir: %ls\n", data_dir->Data());
RARCH_LOG("Install dir: %ls\n", install_dir->Data());
auto direct3DApplicationSource = ref new Direct3DApplicationSource();
CoreApplication::Run(direct3DApplicationSource);
return 0;
}
IFrameworkView^ Direct3DApplicationSource::CreateView()
{
return ref new App();
}
App^ App::m_instance;
App::App() :
m_initialized(false),
m_windowClosed(false),
m_windowVisible(true),
m_windowFocused(true),
m_windowResized(false)
{
m_instance = this;
}
/* The first method called when the IFrameworkView is being created. */
void App::Initialize(CoreApplicationView^ applicationView)
{
/* Register event handlers for app lifecycle. This example
* includes Activated, so that we can make the CoreWindow active and start
* rendering on the window. */
applicationView->Activated +=
ref new TypedEventHandler<CoreApplicationView^, IActivatedEventArgs^>(this, &App::OnActivated);
CoreApplication::Suspending +=
ref new EventHandler<SuspendingEventArgs^>(this, &App::OnSuspending);
CoreApplication::Resuming +=
ref new EventHandler<Platform::Object^>(this, &App::OnResuming);
CoreApplication::EnteredBackground +=
ref new EventHandler<EnteredBackgroundEventArgs^>(this, &App::OnEnteredBackground);
}
/* Called when the CoreWindow object is created (or re-created). */
void App::SetWindow(CoreWindow^ window)
{
window->SizeChanged +=
ref new TypedEventHandler<CoreWindow^, WindowSizeChangedEventArgs^>(this, &App::OnWindowSizeChanged);
window->VisibilityChanged +=
ref new TypedEventHandler<CoreWindow^, VisibilityChangedEventArgs^>(this, &App::OnVisibilityChanged);
window->Activated +=
ref new TypedEventHandler<CoreWindow^, WindowActivatedEventArgs^>(this, &App::OnWindowActivated);
window->Closed +=
ref new TypedEventHandler<CoreWindow^, CoreWindowEventArgs^>(this, &App::OnWindowClosed);
window->KeyDown +=
ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &App::OnKey);
window->KeyUp +=
ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &App::OnKey);
window->PointerPressed +=
ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &App::OnPointer);
window->PointerReleased +=
ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &App::OnPointer);
window->PointerMoved +=
ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &App::OnPointer);
window->PointerWheelChanged +=
ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &App::OnPointer);
DisplayInformation^ currentDisplayInformation = DisplayInformation::GetForCurrentView();
currentDisplayInformation->DpiChanged +=
ref new TypedEventHandler<DisplayInformation^, Object^>(this, &App::OnDpiChanged);
DisplayInformation::DisplayContentsInvalidated +=
ref new TypedEventHandler<DisplayInformation^, Object^>(this, &App::OnDisplayContentsInvalidated);
currentDisplayInformation->OrientationChanged +=
ref new TypedEventHandler<DisplayInformation^, Object^>(this, &App::OnOrientationChanged);
Windows::UI::Core::SystemNavigationManager::GetForCurrentView()->BackRequested +=
ref new EventHandler<Windows::UI::Core::BackRequestedEventArgs^>(this, &App::OnBackRequested);
}
/* Initializes scene resources, or loads a previously saved app state. */
void App::Load(Platform::String^ entryPoint)
{
auto catalog = Windows::ApplicationModel::PackageCatalog::OpenForCurrentPackage();
catalog->PackageInstalling +=
ref new TypedEventHandler<PackageCatalog^, PackageInstallingEventArgs^>(this, &App::OnPackageInstalling);
}
/* This method is called after the window becomes active. */
void App::Run()
{
bool x = false;
if (!m_initialized)
{
RARCH_WARN("Initialization failed, so not running\n");
return;
}
for (;;)
{
int ret;
CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessAllIfPresent);
ret = runloop_iterate();
task_queue_check();
if (!x)
{
/* HACK: I have no idea why is this necessary but
* it is required to get proper scaling on Xbox *
* Perhaps PreferredLaunchViewSize is broken and
* we need to wait until the app starts to call TryResizeView */
m_windowResized = true;
x = true;
}
if (ret == -1)
break;
}
}
/* Required for IFrameworkView.
* Terminate events do not cause Uninitialize to be called.
* It will be called if your IFrameworkView
* class is torn down while the app is in the foreground. */
void App::Uninitialize()
{
main_exit(NULL);
/* If this instance of RetroArch was started from another app/frontend
* and the frontend passed "launchOnExit" parameter:
* 1. launch the app specified in "launchOnExit", most likely the
* same app that started RetroArch
* 2. RetroArch goes to background and RunAsyncAndCatchErrors doesn't
* return, because the target app is immediately started.
* 3. Explicitly exit in App::OnEnteredBackground if
* m_launchOnExitShutdown is set. Otherwise, RetroArch doesn't
* properly shutdown.
*/
if (m_launchOnExit != nullptr && !m_launchOnExit->IsEmpty())
{
try
{
/* Launch the target app */
m_launchOnExitShutdown = true;
auto ret = RunAsyncAndCatchErrors<bool>([&]() {
return create_task(Launcher::LaunchUriAsync(ref new Uri(m_launchOnExit)));
}, false);
}
catch (Platform::InvalidArgumentException^ e)
{
}
}
}
/* Application lifecycle event handlers. */
void App::OnActivated(CoreApplicationView^ applicationView, IActivatedEventArgs^ args)
{
int ret;
int argc = NULL;
std::vector<char*> argv;
/* using std::string as temp buf instead of char* array
* to avoid manual char allocations */
std::vector<std::string> argvTmp;
ParseProtocolArgs(args, &argc, &argv, &argvTmp);
/* Start only if not already initialized.
* If there is a game in progress, just return */
if (m_initialized)
return;
if ((ret = rarch_main(argc, argv.data(), NULL)) != 0)
{
RARCH_ERR("Init failed\n");
CoreApplication::Exit();
return;
}
m_initialized = true;
if (is_running_on_xbox())
{
bool reset = false;
int width = uwp_get_width();
int height = uwp_get_height();
/* Reset driver to D3D11 if set to OpenGL on boot as cores can
* just set to 'gl' when needed and there is no good reason to
* use 'gl' for the menus
* Do not change the default driver if the content is already
* initialized through arguments, as this would crash RA for
* cores that use only ANGLE */
settings_t *settings = config_get_ptr();
content_state_t *p_content = content_state_get_ptr();
char *currentdriver = settings->arrays.video_driver;
if ( strcmpi(currentdriver, "gl") == 0
&& !p_content->flags & CONTENT_ST_FLAG_IS_INITED)
{
/* Set driver to default */
configuration_set_string(settings,
settings->arrays.video_driver,
config_get_default_video());
reset = true; /* Reset needed */
}
if ( (settings->uints.video_fullscreen_x != width)
|| (settings->uints.video_fullscreen_y != height))
{
/* Get width and height from display again */
configuration_set_int(settings,
settings->uints.video_fullscreen_x,
width);
configuration_set_int(settings,
settings->uints.video_fullscreen_y,
height);
reset = true; /* Reset needed */
}
if (reset) /* Restart driver */
command_event(CMD_EVENT_REINIT, NULL);
}
/* Run() won't start until the CoreWindow is activated. */
CoreWindow::GetForCurrentThread()->Activate();
}
void App::OnSuspending(Platform::Object^ sender, SuspendingEventArgs^ args)
{
/* This function will ensure that configs are saved in case the app
* is sent to background or terminated for saving configs on quit
* for saving configs on quit now configs will be saved in
* `retroarch_main_quit` at `retroarch.c`
* If this function is called because of app closed by quit,
* the below code must be ignored
/* Save app state asynchronously after requesting a deferral.
* Holding a deferral indicates that the application is busy
* performing suspending operations. Be aware that a deferral may
* not be held indefinitely. After about five seconds, the app will
* be forced to exit. */
SuspendingDeferral^ deferral = args->SuspendingOperation->GetDeferral();
auto app = this;
create_task([app, deferral]()
{
/* TODO: Maybe creating a save state here would be a good idea? */
settings_t* settings = config_get_ptr();
bool config_save_on_exit = settings->bools.config_save_on_exit;
if (config_save_on_exit)
{
if (!path_is_empty(RARCH_PATH_CONFIG))
{
const char* config_path = path_get(RARCH_PATH_CONFIG);
bool path_exists = !string_is_empty(config_path);
if (path_exists)
{
if (config_save_file(config_path))
{
RARCH_LOG("[config] %s \"%s\".\n",
msg_hash_to_str(MSG_SAVED_NEW_CONFIG_TO),
config_path);
}
else
{
RARCH_ERR("[config] %s \"%s\".\n",
msg_hash_to_str(MSG_FAILED_SAVING_CONFIG_TO),
config_path);
}
}
}
}
deferral->Complete();
});
}
void App::OnResuming(Platform::Object^ sender, Platform::Object^ args)
{
/* Restore any data or state that was unloaded on suspend. By default, data
* and state are persisted when resuming from suspend. Note that this event
* does not occur if the app was previously terminated.
*/
}
void App::OnEnteredBackground(Platform::Object^ sender, EnteredBackgroundEventArgs^ args)
{
/* RetroArch entered background because another app/frontend
* was launched on exit, so properly quit */
if (m_launchOnExitShutdown)
CoreApplication::Exit();
}
void App::OnBackRequested(Platform::Object^ sender, Windows::UI::Core::BackRequestedEventArgs^ args)
{
/* Prevent the B controller button on Xbox One from quitting the app */
args->Handled = true;
}
/* Window event handlers. */
void App::OnWindowSizeChanged(CoreWindow^ sender, WindowSizeChangedEventArgs^ args)
{
m_windowResized = true;
}
void App::OnVisibilityChanged(CoreWindow^ sender, VisibilityChangedEventArgs^ args)
{
m_windowVisible = args->Visible;
}
void App::OnWindowActivated(CoreWindow^ sender, WindowActivatedEventArgs^ args)
{
m_windowFocused = args->WindowActivationState != CoreWindowActivationState::Deactivated;
}
void App::OnKey(CoreWindow^ sender, KeyEventArgs^ args)
{
unsigned keycode;
uint16_t mod = 0;
if ((sender->GetKeyState(VirtualKey::Shift) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_SHIFT;
if ((sender->GetKeyState(VirtualKey::Control) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_CTRL;
if ((sender->GetKeyState(VirtualKey::Menu) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_ALT;
if ((sender->GetKeyState(VirtualKey::CapitalLock) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_CAPSLOCK;
if ((sender->GetKeyState(VirtualKey::Scroll) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_SCROLLOCK;
if ((sender->GetKeyState(VirtualKey::LeftWindows) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked ||
(sender->GetKeyState(VirtualKey::RightWindows) & CoreVirtualKeyStates::Locked) == CoreVirtualKeyStates::Locked)
mod |= RETROKMOD_META;
keycode = input_keymaps_translate_keysym_to_rk((unsigned)args->VirtualKey);
input_keyboard_event(!args->KeyStatus.IsKeyReleased, keycode, 0, mod, RETRO_DEVICE_KEYBOARD);
}
void App::OnPointer(CoreWindow^ sender, PointerEventArgs^ args)
{
float dpi = DisplayInformation::GetForCurrentView()->LogicalDpi;
if (args->CurrentPoint->PointerDevice->PointerDeviceType == PointerDeviceType::Mouse)
{
uwp_next_input.mouse_left = args->CurrentPoint->Properties->IsLeftButtonPressed;
uwp_next_input.mouse_middle = args->CurrentPoint->Properties->IsMiddleButtonPressed;
uwp_next_input.mouse_right = args->CurrentPoint->Properties->IsRightButtonPressed;
uwp_next_input.mouse_button4 = args->CurrentPoint->Properties->IsXButton1Pressed;
uwp_next_input.mouse_button5 = args->CurrentPoint->Properties->IsXButton2Pressed;
uwp_next_input.mouse_screen_x = ConvertDipsToPixels(args->CurrentPoint->Position.X, dpi);
uwp_next_input.mouse_screen_y = ConvertDipsToPixels(args->CurrentPoint->Position.Y, dpi);
uwp_next_input.mouse_rel_x = uwp_next_input.mouse_screen_x - uwp_current_input.mouse_screen_x;
uwp_next_input.mouse_rel_y = uwp_next_input.mouse_screen_y - uwp_current_input.mouse_screen_y;
if (args->CurrentPoint->Properties->IsHorizontalMouseWheel)
uwp_next_input.mouse_wheel_left += args->CurrentPoint->Properties->MouseWheelDelta;
else
uwp_next_input.mouse_wheel_up += args->CurrentPoint->Properties->MouseWheelDelta;
}
else
{
struct video_viewport vp;
unsigned i, free_index = MAX_TOUCH; bool found = false;
int id = args->CurrentPoint->PointerId;
for (i = 0; i < uwp_next_input.touch_count; i++)
{
if (!uwp_next_input.touch[i].isInContact && free_index == MAX_TOUCH)
free_index = i;
if (uwp_next_input.touch[i].id == id)
{
found = true;
break;
}
}
if (!found)
{
if (free_index >= 0 && free_index < uwp_next_input.touch_count)
i = free_index;
else if (uwp_next_input.touch_count + 1 < MAX_TOUCH)
i = ++uwp_next_input.touch_count;
else
return;
}
uwp_next_input.touch[i].id = id;
/* convert from event coordinates to core and screen coordinates */
vp.x = 0;
vp.y = 0;
vp.width = 0;
vp.height = 0;
vp.full_width = 0;
vp.full_height = 0;
video_driver_translate_coord_viewport_wrap(
&vp,
ConvertDipsToPixels(args->CurrentPoint->Position.X, dpi),
ConvertDipsToPixels(args->CurrentPoint->Position.Y, dpi),
&uwp_next_input.touch[i].x,
&uwp_next_input.touch[i].y,
&uwp_next_input.touch[i].full_x,
&uwp_next_input.touch[i].full_y);
uwp_next_input.touch[i].isInContact = args->CurrentPoint->IsInContact;
}
}
void App::OnWindowClosed(CoreWindow^ sender, CoreWindowEventArgs^ args)
{
m_windowClosed = true;
}
/* DisplayInformation event handlers. */
void App::OnDpiChanged(DisplayInformation^ sender, Object^ args)
{
m_windowResized = true;
}
void App::OnOrientationChanged(DisplayInformation^ sender, Object^ args)
{
m_windowResized = true;
}
void App::OnDisplayContentsInvalidated(DisplayInformation^ sender, Object^ args)
{
/* Probably can be ignored? */
}
void App::OnPackageInstalling(PackageCatalog^ sender,
PackageInstallingEventArgs^ args)
{
/* TODO: This doesn't seem to work even though it's exactly the same as in sample app and it works there */
if (args->IsComplete)
{
char msg[512];
snprintf(msg, sizeof(msg), "Package \"%ls\" installed, a restart may be necessary", args->Package->DisplayName->Data());
runloop_msg_queue_push(msg, 1, 5 * 60, false, NULL, MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
}
}
void App::ParseProtocolArgs(Windows::ApplicationModel::Activation::IActivatedEventArgs^ args, int *argc, std::vector<char*> *argv, std::vector<std::string> *argvTmp)
{
argvTmp->clear();
argv->clear();
/* If the app is activated using protocol,
* it is expected to be in this format:
* "retroarch:?cmd=<RetroArch CLI arguments>&launchOnExit=<app to launch on exit>"
* For example:
* retroarch:?cmd=retroarch -L cores\core_libretro.dll "c:\mypath\path with spaces\game.rom"&launchOnExit=LaunchApp:
* "cmd" and "launchOnExit" are optional. If none specified,
* it will normally launch into menu
*/
if (args->Kind == ActivationKind::Protocol)
{
unsigned i;
ProtocolActivatedEventArgs^ protocolArgs = dynamic_cast<Windows::ApplicationModel::Activation::ProtocolActivatedEventArgs^>(args);
Windows::Foundation::WwwFormUrlDecoder^ query = protocolArgs->Uri->QueryParsed;
for (i = 0; i < query->Size; i++)
{
IWwwFormUrlDecoderEntry^ arg = query->GetAt(i);
/* Parse RetroArch command line string */
/* This allows a frotend to quit RetroArch, which in turn allows it
* to launch a different game. */
if (arg->Name == "forceExit")
CoreApplication::Exit();
else if (arg->Name == "cmd" && !m_initialized)
{
std::wstring wsValue(arg->Value->ToString()->Data());
std::string strValue(wsValue.begin(), wsValue.end());
std::istringstream iss(strValue);
std::string s;
/* Set escape character to NULL char to preserve backslashes in
* paths which are inside quotes, they get stripped by default */
while (iss >> std::quoted(s, '"', (char)0))
argvTmp->push_back(s);
}
/* If RetroArch UWP app is started using protocol
* with argument "launchOnExit", this gives an option
* to launch another app on RA exit,
* making it easy to integrate RA with other UWP frontends */
else if (arg->Name == "launchOnExit")
m_launchOnExit = arg->Value;
}
}
if (!m_initialized)
{
int i;
(*argc) = argvTmp->size();
/* Convert to char* array compatible with argv */
for (i = 0; i < argvTmp->size(); i++)
argv->push_back((char*)(argvTmp->at(i)).c_str());
argv->push_back(nullptr);
}
}
/* Implement UWP equivalents of various win32_* functions */
extern "C" {
bool is_running_on_xbox(void)
{
Platform::String^ device_family = Windows::System::Profile::AnalyticsInfo::VersionInfo->DeviceFamily;
return (device_family == L"Windows.Xbox");
}
bool win32_has_focus(void *data)
{
return App::GetInstance()->IsWindowFocused();
}
bool win32_set_video_mode(void *data, unsigned width, unsigned height, bool fullscreen)
{
if (App::GetInstance()->IsInitialized())
{
if (fullscreen !=
ApplicationView::GetForCurrentView()->IsFullScreenMode)
{
if (fullscreen)
ApplicationView::GetForCurrentView()->TryEnterFullScreenMode();
else
ApplicationView::GetForCurrentView()->ExitFullScreenMode();
}
ApplicationView::GetForCurrentView()->TryResizeView(Size(width, height));
}
else
{
/* In case the window is not activated yet,
* TryResizeView will fail and we have to set the
* initial parameters instead
* Note that these are preserved after restarting the app
* and used for the UWP splash screen size (!), so they
* should be set only during init and not changed afterwards */
ApplicationView::PreferredLaunchViewSize = Size(width, height);
ApplicationView::PreferredLaunchWindowingMode = fullscreen ? ApplicationViewWindowingMode::FullScreen : ApplicationViewWindowingMode::PreferredLaunchViewSize;
}
/* Setting the window size may sometimes fail "because UWP"
* (i.e. we are on device with no windows, or Windows sandbox decides the window can't be that small)
* so in case resizing fails we just send a resized event back to RetroArch with old size
* (and report success because otherwise it bails out hard about failing
* to set video mode) */
App::GetInstance()->SetWindowResized();
return true;
}
void win32_show_cursor(void *data, bool state)
{
CoreWindow::GetForCurrentThread()->PointerCursor = state ? ref new CoreCursor(CoreCursorType::Arrow, 0) : nullptr;
}
bool win32_get_client_rect(RECT* rect)
{
rect->top = ApplicationView::GetForCurrentView()->VisibleBounds.Top;
rect->left = ApplicationView::GetForCurrentView()->VisibleBounds.Left;
rect->bottom = ApplicationView::GetForCurrentView()->VisibleBounds.Bottom;
rect->right = ApplicationView::GetForCurrentView()->VisibleBounds.Right;
return true;
}
bool win32_get_metrics(void* data,
enum display_metric_types type, float* value)
{
switch (type)
{
case DISPLAY_METRIC_PIXEL_WIDTH:
*value = uwp_get_width();
return true;
case DISPLAY_METRIC_PIXEL_HEIGHT:
*value = uwp_get_height();
return true;
case DISPLAY_METRIC_MM_WIDTH:
/* 25.4 mm in an inch. */
{
int pixels_x = DisplayInformation::GetForCurrentView()->ScreenWidthInRawPixels;
int raw_dpi_x = DisplayInformation::GetForCurrentView()->RawDpiX;
int physical_width = pixels_x / raw_dpi_x;
*value = 254 * physical_width / 10;
}
return true;
case DISPLAY_METRIC_MM_HEIGHT:
/* 25.4 mm in an inch. */
{
int pixels_y = DisplayInformation::GetForCurrentView()->ScreenHeightInRawPixels;
int raw_dpi_y = DisplayInformation::GetForCurrentView()->RawDpiY;
int physical_height = pixels_y / raw_dpi_y;
*value = 254 * physical_height / 10;
}
return true;
case DISPLAY_METRIC_DPI:
*value = DisplayInformation::GetForCurrentView()->RawDpiX;
return true;
case DISPLAY_METRIC_NONE:
default:
*value = 0;
break;
}
return false;
}
void win32_check_window(void *data,
bool *quit, bool *resize, unsigned *width, unsigned *height)
{
static bool is_xbox = is_running_on_xbox();
*quit = App::GetInstance()->IsWindowClosed();
if (is_xbox)
{
settings_t* settings = config_get_ptr();
*width = settings->uints.video_fullscreen_x != 0 ? settings->uints.video_fullscreen_x : uwp_get_width();
*height = settings->uints.video_fullscreen_y != 0 ? settings->uints.video_fullscreen_y : uwp_get_height();
return;
}
*resize = App::GetInstance()->CheckWindowResized();
if (*resize)
{
float dpi = DisplayInformation::GetForCurrentView()->LogicalDpi;
*width = ConvertDipsToPixels(CoreWindow::GetForCurrentThread()->Bounds.Width, dpi);
*height = ConvertDipsToPixels(CoreWindow::GetForCurrentThread()->Bounds.Height, dpi);
}
}
void* uwp_get_corewindow(void)
{
return (void*)CoreWindow::GetForCurrentThread();
}
int uwp_get_height(void)
{
/* This function must be performed within UI thread,
* otherwise it will cause a crash in specific cases
* https://github.com/libretro/RetroArch/issues/13491 */
float surface_scale = 0;
int ret = -1;
volatile bool finished = false;
Windows::ApplicationModel::Core::CoreApplication::MainView->CoreWindow->Dispatcher->RunAsync(
CoreDispatcherPriority::Normal,
ref new Windows::UI::Core::DispatchedHandler([&surface_scale, &ret, &finished]()
{
if (is_running_on_xbox())
{
const Windows::Graphics::Display::Core::HdmiDisplayInformation^ hdi = Windows::Graphics::Display::Core::HdmiDisplayInformation::GetForCurrentView();
if (hdi)
ret = Windows::Graphics::Display::Core::HdmiDisplayInformation::GetForCurrentView()->GetCurrentDisplayMode()->ResolutionHeightInRawPixels;
}
if (ret == -1)
{
const LONG32 resolution_scale = static_cast<LONG32>(Windows::Graphics::Display::DisplayInformation::GetForCurrentView()->ResolutionScale);
surface_scale = static_cast<float>(resolution_scale) / 100.0f;
ret = static_cast<LONG32>(
CoreWindow::GetForCurrentThread()->Bounds.Height
* surface_scale);
}
finished = true;
}));
Windows::UI::Core::CoreWindow^ corewindow = Windows::UI::Core::CoreWindow::GetForCurrentThread();
while (!finished)
{
if (corewindow)
corewindow->Dispatcher->ProcessEvents(Windows::UI::Core::CoreProcessEventsOption::ProcessAllIfPresent);
}
return ret;
}
int uwp_get_width(void)
{
/* This function must be performed within UI thread,
* otherwise it will cause a crash in specific cases
* https://github.com/libretro/RetroArch/issues/13491 */
float surface_scale = 0;
int returnValue = -1;
volatile bool finished = false;
Windows::ApplicationModel::Core::CoreApplication::MainView->CoreWindow->Dispatcher->RunAsync(
CoreDispatcherPriority::Normal,
ref new Windows::UI::Core::DispatchedHandler([&surface_scale, &returnValue, &finished]()
{
if (is_running_on_xbox())
{
const Windows::Graphics::Display::Core::HdmiDisplayInformation^ hdi = Windows::Graphics::Display::Core::HdmiDisplayInformation::GetForCurrentView();
if (hdi)
returnValue = Windows::Graphics::Display::Core::HdmiDisplayInformation::GetForCurrentView()->GetCurrentDisplayMode()->ResolutionWidthInRawPixels;
}
if(returnValue == -1)
{
const LONG32 resolution_scale = static_cast<LONG32>(Windows::Graphics::Display::DisplayInformation::GetForCurrentView()->ResolutionScale);
surface_scale = static_cast<float>(resolution_scale) / 100.0f;
returnValue = static_cast<LONG32>(
CoreWindow::GetForCurrentThread()->Bounds.Width
* surface_scale);
}
finished = true;
}));
Windows::UI::Core::CoreWindow^ corewindow = Windows::UI::Core::CoreWindow::GetForCurrentThread();
while (!finished)
{
if (corewindow)
corewindow->Dispatcher->ProcessEvents(Windows::UI::Core::CoreProcessEventsOption::ProcessAllIfPresent);
}
return returnValue;
}
void uwp_fill_installed_core_packages(struct string_list *list)
{
for (auto package : Windows::ApplicationModel::Package::Current->Dependencies)
{
if (package->IsOptional)
{
string_list_elem_attr attr{};
string_list_append(list, utf16_to_utf8_string_alloc((package->InstalledLocation->Path + L"\\cores")->Data()), attr);
}
}
}
void uwp_input_next_frame(void *data)
{
uwp_current_input = uwp_next_input;
uwp_next_input.mouse_rel_x = 0;
uwp_next_input.mouse_rel_y = 0;
uwp_next_input.mouse_wheel_up %= WHEEL_DELTA;
uwp_next_input.mouse_wheel_left %= WHEEL_DELTA;
}
bool uwp_keyboard_pressed(unsigned key)
{
VirtualKey sym = (VirtualKey)rarch_keysym_lut[(enum retro_key)key];
if (sym == VirtualKey::None)
return false;
CoreWindow^ window = CoreWindow::GetForCurrentThread();
/* At times CoreWindow will return NULL while running Dolphin core
* Dolphin core runs on its own CPU thread separate from the UI-thread and so we must do a check for this. */
if (window)
return (window->GetKeyState(sym) & CoreVirtualKeyStates::Down) == CoreVirtualKeyStates::Down;
return false;
}
int16_t uwp_mouse_state(unsigned port, unsigned id, bool screen)
{
int16_t state = 0;
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
return screen
? uwp_current_input.mouse_screen_x
: uwp_current_input.mouse_rel_x;
case RETRO_DEVICE_ID_MOUSE_Y:
return screen
? uwp_current_input.mouse_screen_y
: uwp_current_input.mouse_rel_y;
case RETRO_DEVICE_ID_MOUSE_LEFT:
return uwp_current_input.mouse_left;
case RETRO_DEVICE_ID_MOUSE_RIGHT:
return uwp_current_input.mouse_right;
case RETRO_DEVICE_ID_MOUSE_WHEELUP:
return uwp_current_input.mouse_wheel_up > WHEEL_DELTA;
case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
return uwp_current_input.mouse_wheel_up < -WHEEL_DELTA;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP:
return uwp_current_input.mouse_wheel_left > WHEEL_DELTA;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN:
return uwp_current_input.mouse_wheel_left < -WHEEL_DELTA;
case RETRO_DEVICE_ID_MOUSE_MIDDLE:
return uwp_current_input.mouse_middle;
case RETRO_DEVICE_ID_MOUSE_BUTTON_4:
return uwp_current_input.mouse_button4;
case RETRO_DEVICE_ID_MOUSE_BUTTON_5:
return uwp_current_input.mouse_button5;
}
return 0;
}
int16_t uwp_pointer_state(unsigned idx, unsigned id, bool screen)
{
switch (id)
{
case RETRO_DEVICE_ID_POINTER_X:
return screen
? uwp_current_input.touch[idx].full_x
: uwp_current_input.touch[idx].x;
case RETRO_DEVICE_ID_POINTER_Y:
return screen
? uwp_current_input.touch[idx].full_y
: uwp_current_input.touch[idx].y;
case RETRO_DEVICE_ID_POINTER_PRESSED:
return uwp_current_input.touch[idx].isInContact;
case RETRO_DEVICE_ID_POINTER_COUNT:
return uwp_current_input.touch_count;
default:
break;
}
return 0;
}
void uwp_open_broadfilesystemaccess_settings(void)
{
Windows::System::Launcher::LaunchUriAsync(ref new Uri("ms-settings:privacy-broadfilesystemaccess"));
}
enum retro_language uwp_get_language(void)
{
auto lang = Windows::System::UserProfile::GlobalizationPreferences::Languages->GetAt(0);
struct string_list split = {0};
char lang_bcp[16] = {0};
char lang_iso[16] = {0};
wcstombs(lang_bcp, lang->Data(), sizeof(lang_bcp));
/* Trying to convert BCP 47 language codes to ISO 639 ones */
string_list_initialize(&split);
string_split_noalloc(&split, lang_bcp, "-");
strlcpy(lang_iso, split.elems[0].data, sizeof(lang_iso));
if (split.size >= 2)
{
strlcat(lang_iso, "_", sizeof(lang_iso));
strlcat(lang_iso, split.elems[split.size >= 3 ? 2 : 1].data,
sizeof(lang_iso));
}
string_list_deinitialize(&split);
return retroarch_get_language_from_iso(lang_iso);
}
const char* uwp_get_cpu_model_name(void)
{
/* TODO/FIXME - Xbox codepath should have a hardcoded CPU model name */
if (is_running_on_xbox()) { }
else
{
Platform::String^ cpu_id = nullptr;
Platform::String^ cpu_name = nullptr;
/* GUID_DEVICE_PROCESSOR: {97FADB10-4E33-40AE-359C-8BEF029DBDD0} */
Platform::String^ if_filter = L"System.Devices.InterfaceClassGuid:=\"{97FADB10-4E33-40AE-359C-8BEF029DBDD0}\"";
/* Enumerate all CPU DeviceInterfaces, and get DeviceInstanceID of the first one. */
cpu_id = RunAsyncAndCatchErrors<Platform::String^>([&]() {
return create_task(DeviceInformation::FindAllAsync(if_filter)).then(
[&](DeviceInformationCollection^ collection)
{
return dynamic_cast<Platform::String^>(
collection->GetAt(0)->Properties->Lookup(L"System.Devices.DeviceInstanceID"));
});
}, nullptr);
if (cpu_id)
{
Platform::String^ dev_filter = L"System.Devices.DeviceInstanceID:=\"" + cpu_id + L"\"";
/* Get the Device with the same ID as the DeviceInterface
* Then get the name (description) of that Device
* We have to do this because the DeviceInterface we get doesn't have a proper description. */
cpu_name = RunAsyncAndCatchErrors<Platform::String^>([&]() {
return create_task(
DeviceInformation::FindAllAsync(dev_filter, {}, DeviceInformationKind::Device)).then(
[&](DeviceInformationCollection^ collection)
{
return cpu_name = collection->GetAt(0)->Name;
});
}, nullptr);
}
if (cpu_name)
{
wcstombs(win32_cpu_model_name, cpu_name->Data(), sizeof(win32_cpu_model_name));
return win32_cpu_model_name;
}
}
return "Unknown";
}
}
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