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5fdaea8072
shadPS4/src/sdl_window.cpp
kalaposfos13 5fdaea8072 Added support for mod key toggle key
2024-10-18 08:43:50 +02:00

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// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <fstream>
#include <iostream>
#include <map>
#include <sstream>
#include <string>
#include <vector>
#include <SDL3/SDL_events.h>
#include <SDL3/SDL_init.h>
#include <SDL3/SDL_properties.h>
#include <SDL3/SDL_timer.h>
#include <SDL3/SDL_video.h>
#include "common/assert.h"
#include "common/config.h"
#include "common/io_file.h"
#include "common/path_util.h"
#include "common/version.h"
#include "core/libraries/pad/pad.h"
#include "imgui/renderer/imgui_core.h"
#include "input/controller.h"
#include "sdl_window.h"
#include "video_core/renderdoc.h"
#ifdef __APPLE__
#include <SDL3/SDL_metal.h>
#endif
// +1 and +2 is taken
#define SDL_EVENT_MOUSE_WHEEL_UP SDL_EVENT_MOUSE_WHEEL + 3
#define SDL_EVENT_MOUSE_WHEEL_DOWN SDL_EVENT_MOUSE_WHEEL + 4
#define SDL_EVENT_MOUSE_WHEEL_LEFT SDL_EVENT_MOUSE_WHEEL + 5
#define SDL_EVENT_MOUSE_WHEEL_RIGHT SDL_EVENT_MOUSE_WHEEL + 6
#define LEFTJOYSTICK_HALFMODE 0x00010000
#define RIGHTJOYSTICK_HALFMODE 0x00020000
Uint32 getMouseWheelEvent(const SDL_Event* event) {
if (event->type != SDL_EVENT_MOUSE_WHEEL)
return 0;
// std::cout << "We got a wheel event! ";
if (event->wheel.y > 0) {
return SDL_EVENT_MOUSE_WHEEL_UP;
} else if (event->wheel.y < 0) {
return SDL_EVENT_MOUSE_WHEEL_DOWN;
} else if (event->wheel.x > 0) {
return SDL_EVENT_MOUSE_WHEEL_RIGHT;
} else if (event->wheel.x < 0) {
return SDL_EVENT_MOUSE_WHEEL_LEFT;
}
return 0;
}
namespace Frontend {
using Libraries::Pad::OrbisPadButtonDataOffset;
KeyBinding::KeyBinding(const SDL_Event* event) {
modifier = getCustomModState();
key = 0;
// std::cout << "Someone called the new binding ctor!\n";
if (event->type == SDL_EVENT_KEY_DOWN || event->type == SDL_EVENT_KEY_UP) {
key = event->key.key;
} else if (event->type == SDL_EVENT_MOUSE_BUTTON_DOWN ||
event->type == SDL_EVENT_MOUSE_BUTTON_UP) {
key = event->button.button;
} else if (event->type == SDL_EVENT_MOUSE_WHEEL) {
key = getMouseWheelEvent(event);
} else {
std::cout << "We don't support this event type!\n";
}
}
bool KeyBinding::operator<(const KeyBinding& other) const {
return std::tie(key, modifier) < std::tie(other.key, other.modifier);
}
// modifiers are bitwise or-d together, so we need to check if ours is in that
template <typename T>
typename std::map<KeyBinding, T>::const_iterator FindKeyAllowingPartialModifiers(
const std::map<KeyBinding, T>& map, KeyBinding binding) {
for (typename std::map<KeyBinding, T>::const_iterator it = map.cbegin(); it != map.cend();
it++) {
if ((it->first.key == binding.key) && (it->first.modifier & binding.modifier) != 0) {
return it;
}
}
return map.end(); // Return end if no match is found
}
template <typename T>
typename std::map<KeyBinding, T>::const_iterator FindKeyAllowingOnlyNoModifiers(
const std::map<KeyBinding, T>& map, KeyBinding binding) {
for (typename std::map<KeyBinding, T>::const_iterator it = map.cbegin(); it != map.cend();
it++) {
if (it->first.key == binding.key && it->first.modifier == SDL_KMOD_NONE) {
return it;
}
}
return map.end(); // Return end if no match is found
}
// Axis map: maps key+modifier to controller axis and axis value
struct AxisMapping {
Input::Axis axis;
int value; // Value to set for key press (+127 or -127 for movement)
};
// i strongly suggest you collapse these maps
std::map<std::string, u32> string_to_cbutton_map = {
{"triangle", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_TRIANGLE},
{"circle", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_CIRCLE},
{"cross", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_CROSS},
{"square", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_SQUARE},
{"l1", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_L1},
{"l2", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_L2},
{"r1", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_R1},
{"r2", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_R2},
{"l3", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_L3},
{"r3", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_R3},
{"options", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_OPTIONS},
{"touchpad", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_TOUCH_PAD},
{"up", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_UP},
{"down", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_DOWN},
{"left", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_LEFT},
{"right", OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_RIGHT},
{"leftjoystick_halfmode", LEFTJOYSTICK_HALFMODE},
{"rightjoystick_halfmode", RIGHTJOYSTICK_HALFMODE},
};
std::map<std::string, AxisMapping> string_to_axis_map = {
{"axis_left_x_plus", {Input::Axis::LeftX, 127}},
{"axis_left_x_minus", {Input::Axis::LeftX, -127}},
{"axis_left_y_plus", {Input::Axis::LeftY, 127}},
{"axis_left_y_minus", {Input::Axis::LeftY, -127}},
{"axis_right_x_plus", {Input::Axis::RightX, 127}},
{"axis_right_x_minus", {Input::Axis::RightX, -127}},
{"axis_right_y_plus", {Input::Axis::RightY, 127}},
{"axis_right_y_minus", {Input::Axis::RightY, -127}},
};
std::map<std::string, u32> string_to_keyboard_key_map = {
{"a", SDLK_A},
{"b", SDLK_B},
{"c", SDLK_C},
{"d", SDLK_D},
{"e", SDLK_E},
{"f", SDLK_F},
{"g", SDLK_G},
{"h", SDLK_H},
{"i", SDLK_I},
{"j", SDLK_J},
{"k", SDLK_K},
{"l", SDLK_L},
{"m", SDLK_M},
{"n", SDLK_N},
{"o", SDLK_O},
{"p", SDLK_P},
{"q", SDLK_Q},
{"r", SDLK_R},
{"s", SDLK_S},
{"t", SDLK_T},
{"u", SDLK_U},
{"v", SDLK_V},
{"w", SDLK_W},
{"x", SDLK_X},
{"y", SDLK_Y},
{"z", SDLK_Z},
{"0", SDLK_0},
{"1", SDLK_1},
{"2", SDLK_2},
{"3", SDLK_3},
{"4", SDLK_4},
{"5", SDLK_5},
{"6", SDLK_6},
{"7", SDLK_7},
{"8", SDLK_8},
{"9", SDLK_9},
{"kp0", SDLK_KP_0},
{"kp1", SDLK_KP_1},
{"kp2", SDLK_KP_2},
{"kp3", SDLK_KP_3},
{"kp4", SDLK_KP_4},
{"kp5", SDLK_KP_5},
{"kp6", SDLK_KP_6},
{"kp7", SDLK_KP_7},
{"kp8", SDLK_KP_8},
{"kp9", SDLK_KP_9},
{"comma", SDLK_COMMA},
{"period", SDLK_PERIOD},
{"question", SDLK_QUESTION},
{"semicolon", SDLK_SEMICOLON},
{"minus", SDLK_MINUS},
{"underscore", SDLK_UNDERSCORE},
{"lparenthesis", SDLK_LEFTPAREN},
{"rparenthesis", SDLK_RIGHTPAREN},
{"lbracket", SDLK_LEFTBRACKET},
{"rbracket", SDLK_RIGHTBRACKET},
{"lbrace", SDLK_LEFTBRACE},
{"rbrace", SDLK_RIGHTBRACE},
{"backslash", SDLK_BACKSLASH},
{"dash", SDLK_SLASH},
{"enter", SDLK_RETURN},
{"space", SDLK_SPACE},
{"tab", SDLK_TAB},
{"backspace", SDLK_BACKSPACE},
{"escape", SDLK_ESCAPE},
{"left", SDLK_LEFT},
{"right", SDLK_RIGHT},
{"up", SDLK_UP},
{"down", SDLK_DOWN},
{"lctrl", SDLK_LCTRL},
{"rctrl", SDLK_RCTRL},
{"lshift", SDLK_LSHIFT},
{"rshift", SDLK_RSHIFT},
{"lalt", SDLK_LALT},
{"ralt", SDLK_RALT},
{"lmeta", SDLK_LGUI},
{"rmeta", SDLK_RGUI},
{"lwin", SDLK_LGUI},
{"rwin", SDLK_RGUI},
{"leftbutton", SDL_BUTTON_LEFT},
{"rightbutton", SDL_BUTTON_RIGHT},
{"middlebutton", SDL_BUTTON_MIDDLE},
{"mousewheelup", SDL_EVENT_MOUSE_WHEEL_UP},
{"mousewheeldown", SDL_EVENT_MOUSE_WHEEL_DOWN},
{"mousewheelleft", SDL_EVENT_MOUSE_WHEEL_LEFT},
{"mousewheelright", SDL_EVENT_MOUSE_WHEEL_RIGHT},
{"kpperiod", SDLK_KP_PERIOD},
{"kpcomma", SDLK_KP_COMMA},
{"kpdivide", SDLK_KP_DIVIDE},
{"kpmultiply", SDLK_KP_MULTIPLY},
{"kpminus", SDLK_KP_MINUS},
{"kpplus", SDLK_KP_PLUS},
{"kpenter", SDLK_KP_ENTER},
{"kpequals", SDLK_KP_EQUALS},
{"capslock", SDLK_CAPSLOCK},
};
std::map<std::string, u32> string_to_keyboard_mod_key_map = {
{"lshift", SDL_KMOD_LSHIFT}, {"rshift", SDL_KMOD_RSHIFT},
{"lctrl", SDL_KMOD_LCTRL}, {"rctrl", SDL_KMOD_RCTRL},
{"lalt", SDL_KMOD_LALT}, {"ralt", SDL_KMOD_RALT},
{"shift", SDL_KMOD_SHIFT}, {"ctrl", SDL_KMOD_CTRL},
{"alt", SDL_KMOD_ALT}, {"l_meta", SDL_KMOD_LGUI},
{"r_meta", SDL_KMOD_RGUI}, {"meta", SDL_KMOD_GUI},
{"lwin", SDL_KMOD_LGUI}, {"rwin", SDL_KMOD_RGUI},
{"win", SDL_KMOD_GUI}, {"capslock", SDL_KMOD_CAPS},
{"numlock", SDL_KMOD_NUM}, {"none", SDL_KMOD_NONE}, // if you want to be fancy
};
// Button map: maps key+modifier to controller button
std::map<KeyBinding, u32> button_map = {};
std::map<KeyBinding, AxisMapping> axis_map = {};
std::map<SDL_Keycode, std::pair<SDL_Keymod, bool>> key_to_modkey_toggle_map = {};
SDL_Keymod KeyBinding::getCustomModState() {
SDL_Keymod state = SDL_GetModState();
for (auto mod_flag : key_to_modkey_toggle_map) {
if (mod_flag.second.second) {
state |= mod_flag.second.first;
}
}
return state;
}
// Flags and values for varying purposes
int mouse_joystick_binding = 0;
float mouse_deadzone_offset = 0.5, mouse_speed = 1, mouse_speed_offset = 0.125;
Uint32 mouse_polling_id = 0;
bool mouse_enabled = false, leftjoystick_halfmode = false, rightjoystick_halfmode = false;
// i wrapped it in a function so I can collapse it
std::string getDefaultKeyboardConfig() {
std::string default_config =
R"(## SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
## SPDX-License-Identifier: GPL-2.0-or-later
#Default controller button mappings
#Taken keys:
#F11 : fullscreen
#F10 : FPS counter
#F9 : toggle mouse capture
#F8 : reparse keyboard input(this)
#F7 : toggle mouse-to-joystick input
# (it overwrites everything else to that joystick, so this is required)
#This is a mapping for Bloodborne, inspired by other Souls titles on PC.
#This is a quick and dirty implementation of binding the mouse to a user-specified joystick
mouse_to_joystick = right;
#Use another item(healing), change status in inventory
triangle = f;
#Dodge, back in inventory
circle = space;
#Interact, select item in inventory
cross = e;
#Use quick item, remove item in inventory
square = r;
#Emergency extra bullets
up = w, lalt;
#Change quick item
down = s, lalt;
#Change weapon in left hand
left = a, lalt;
#Change weapon in right hand
right = d, lalt;
#Menu
options = escape;
#Gestures
touchpad = g;
#Transform
l1 = rightbutton, lshift;
#Shoot
r1 = leftbutton;
#Light attack
l2 = rightbutton;
#Heavy attack
r2 = leftbutton, lshift;
#Does nothing
l3 = x;
#Center cam, lock on
r3 = q;
#Axis mappings
#Move
axis_left_x_minus = a;
axis_left_x_plus = d;
axis_left_y_minus = w;
axis_left_y_plus = s;
)";
return default_config;
}
void WindowSDL::parseInputConfig(const std::string& filename) {
// Read configuration file.
const auto config_file = Common::FS::GetUserPath(Common::FS::PathType::UserDir) / filename;
if (!std::filesystem::exists(config_file)) {
// create it
std::ofstream file;
file.open(config_file, std::ios::out);
if (file.is_open()) {
file << getDefaultKeyboardConfig();
file.close();
std::cout << "Config file generated.\n";
} else {
std::cerr << "Error creating file!\n";
}
}
std::ifstream file(config_file);
if (!file.is_open()) {
std::cerr << "Error opening file: " << filename << std::endl;
return;
}
// we reset these here so in case the user fucks up or doesn't include this we can fall back to
// default
mouse_deadzone_offset = 0.5;
mouse_speed = 1;
mouse_speed_offset = 0.125;
button_map.clear();
axis_map.clear();
key_to_modkey_toggle_map.clear();
int lineCount = 0;
std::string line = "";
while (std::getline(file, line)) {
lineCount++;
// strip the ; and whitespace
line.erase(std::remove(line.begin(), line.end(), ' '), line.end());
if (line[line.length() - 1] == ';') {
line = line.substr(0, line.length() - 1);
}
// Ignore comment lines
if (line.empty() || line[0] == '#') {
continue;
}
// Split the line by '='
std::size_t equal_pos = line.find('=');
if (equal_pos == std::string::npos) {
std::cerr << "Invalid line format at line: " << lineCount << " data: " << line
<< std::endl;
continue;
}
std::string before_equals = line.substr(0, equal_pos);
std::string after_equals = line.substr(equal_pos + 1);
std::size_t comma_pos = after_equals.find(',');
KeyBinding binding = {0, SDL_KMOD_NONE};
// special check for mouse to joystick input
if (before_equals == "mouse_to_joystick") {
if (after_equals == "left") {
mouse_joystick_binding = 1;
} else if (after_equals == "right") {
mouse_joystick_binding = 2;
} else {
mouse_joystick_binding = 0; // default to 'none' or invalid
}
continue;
}
// mod key toggle
if (before_equals == "modkey_toggle") {
if (comma_pos != std::string::npos) {
auto k = string_to_keyboard_key_map.find(after_equals.substr(0, comma_pos));
auto m = string_to_keyboard_mod_key_map.find(after_equals.substr(comma_pos + 1));
if (k != string_to_keyboard_key_map.end() &&
m != string_to_keyboard_mod_key_map.end()) {
key_to_modkey_toggle_map[k->second] = {m->second, false};
continue;
}
}
std::cerr << "Invalid line format at line: " << lineCount << " data: " << line
<< std::endl;
continue;
}
// first we parse the binding, and if its wrong, we skip to the next line
if (comma_pos != std::string::npos) {
// Handle key + modifier
std::string key = after_equals.substr(0, comma_pos);
std::string mod = after_equals.substr(comma_pos + 1);
auto key_it = string_to_keyboard_key_map.find(key);
auto mod_it = string_to_keyboard_mod_key_map.find(mod);
if (key_it != string_to_keyboard_key_map.end() &&
mod_it != string_to_keyboard_mod_key_map.end()) {
binding.key = key_it->second;
binding.modifier = mod_it->second;
} else if (before_equals == "mouse_movement_params") {
// handle mouse movement params
float p1 = 0.5, p2 = 1, p3 = 0.125;
std::size_t second_comma_pos = after_equals.find(',');
try {
p1 = std::stof(key);
p2 = std::stof(mod.substr(0, second_comma_pos));
p3 = std::stof(mod.substr(second_comma_pos + 1));
mouse_deadzone_offset = p1;
mouse_speed = p2;
mouse_speed_offset = p3;
} catch (...) {
// fallback to default values
mouse_deadzone_offset = 0.5;
mouse_speed = 1;
mouse_speed_offset = 0.125;
std::cerr << "Parsing error while parsing kbm inputs at line " << lineCount
<< " line data: " << line << "\n";
}
continue;
} else {
std::cerr << "Syntax error while parsing kbm inputs at line " << lineCount
<< " line data: " << line << "\n";
continue; // skip
}
} else {
// Just a key without modifier
auto key_it = string_to_keyboard_key_map.find(after_equals);
if (key_it != string_to_keyboard_key_map.end()) {
binding.key = key_it->second;
} else {
std::cerr << "Syntax error while parsing kbm inputs at line " << lineCount
<< " line data: " << line << "\n";
continue; // skip
}
}
// Check for axis mapping (example: axis_left_x_plus)
auto axis_it = string_to_axis_map.find(before_equals);
auto button_it = string_to_cbutton_map.find(before_equals);
if (axis_it != string_to_axis_map.end()) {
axis_map[binding] = axis_it->second;
} else if (button_it != string_to_cbutton_map.end()) {
button_map[binding] = button_it->second;
} else {
std::cerr << "Syntax error while parsing kbm inputs at line " << lineCount
<< " line data: " << line << "\n";
}
}
file.close();
}
Uint32 WindowSDL::keyRepeatCallback(void* param, Uint32 id, Uint32 interval) {
auto* data = (std::pair<WindowSDL*, SDL_Event*>*)param;
KeyBinding binding(data->second);
if (data->second->type == SDL_EVENT_MOUSE_WHEEL) {
// send an off signal a frame later
auto button_it = button_map.find(binding);
auto axis_it = axis_map.find(binding);
if (button_it != button_map.end()) {
data->first->updateButton(binding, button_it->second, false);
} else if (axis_it != axis_map.end()) {
data->first->controller->Axis(0, axis_it->second.axis, Input::GetAxis(-0x80, 0x80, 0));
}
return 0;
}
data->first->updateModKeyedInputsManually(binding);
delete data->second;
delete data;
return 0; // Return 0 to stop the timer after firing once
}
Uint32 WindowSDL::mousePolling(void* param, Uint32 id, Uint32 interval) {
auto* data = (WindowSDL*)param;
data->updateMouse();
return 33; // Return 0 to stop the timer after firing once
}
void WindowSDL::updateMouse() {
if (!mouse_enabled)
return;
Input::Axis axis_x, axis_y;
switch (mouse_joystick_binding) {
case 1:
axis_x = Input::Axis::LeftX;
axis_y = Input::Axis::LeftY;
break;
case 2:
axis_x = Input::Axis::RightX;
axis_y = Input::Axis::RightY;
break;
case 0:
default:
return; // no update needed
}
float d_x = 0, d_y = 0;
SDL_GetRelativeMouseState(&d_x, &d_y);
float output_speed =
SDL_clamp((sqrt(d_x * d_x + d_y * d_y) + mouse_speed_offset * 128) * mouse_speed,
mouse_deadzone_offset * 128, 128.0);
// std::cout << "speed: " << mouse_speed << "\n";
float angle = atan2(d_y, d_x);
float a_x = cos(angle) * output_speed, a_y = sin(angle) * output_speed;
if (d_x != 0 && d_y != 0) {
controller->Axis(0, axis_x, Input::GetAxis(-0x80, 0x80, a_x));
controller->Axis(0, axis_y, Input::GetAxis(-0x80, 0x80, a_y));
} else {
controller->Axis(0, axis_x, Input::GetAxis(-0x80, 0x80, 0));
controller->Axis(0, axis_y, Input::GetAxis(-0x80, 0x80, 0));
}
}
WindowSDL::WindowSDL(s32 width_, s32 height_, Input::GameController* controller_,
std::string_view window_title)
: width{width_}, height{height_}, controller{controller_} {
if (!SDL_Init(SDL_INIT_VIDEO)) {
UNREACHABLE_MSG("Failed to initialize SDL video subsystem: {}", SDL_GetError());
}
SDL_InitSubSystem(SDL_INIT_AUDIO);
SDL_PropertiesID props = SDL_CreateProperties();
SDL_SetStringProperty(props, SDL_PROP_WINDOW_CREATE_TITLE_STRING,
std::string(window_title).c_str());
SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_X_NUMBER, SDL_WINDOWPOS_CENTERED);
SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_Y_NUMBER, SDL_WINDOWPOS_CENTERED);
SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_WIDTH_NUMBER, width);
SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_HEIGHT_NUMBER, height);
SDL_SetNumberProperty(props, "flags", SDL_WINDOW_VULKAN);
SDL_SetBooleanProperty(props, SDL_PROP_WINDOW_CREATE_RESIZABLE_BOOLEAN, true);
window = SDL_CreateWindowWithProperties(props);
SDL_DestroyProperties(props);
if (window == nullptr) {
UNREACHABLE_MSG("Failed to create window handle: {}", SDL_GetError());
}
SDL_SetWindowFullscreen(window, Config::isFullscreenMode());
SDL_InitSubSystem(SDL_INIT_GAMEPAD);
controller->TryOpenSDLController();
#if defined(SDL_PLATFORM_WIN32)
window_info.type = WindowSystemType::Windows;
window_info.render_surface = SDL_GetPointerProperty(SDL_GetWindowProperties(window),
SDL_PROP_WINDOW_WIN32_HWND_POINTER, NULL);
#elif defined(SDL_PLATFORM_LINUX)
if (SDL_strcmp(SDL_GetCurrentVideoDriver(), "x11") == 0) {
window_info.type = WindowSystemType::X11;
window_info.display_connection = SDL_GetPointerProperty(
SDL_GetWindowProperties(window), SDL_PROP_WINDOW_X11_DISPLAY_POINTER, NULL);
window_info.render_surface = (void*)SDL_GetNumberProperty(
SDL_GetWindowProperties(window), SDL_PROP_WINDOW_X11_WINDOW_NUMBER, 0);
} else if (SDL_strcmp(SDL_GetCurrentVideoDriver(), "wayland") == 0) {
window_info.type = WindowSystemType::Wayland;
window_info.display_connection = SDL_GetPointerProperty(
SDL_GetWindowProperties(window), SDL_PROP_WINDOW_WAYLAND_DISPLAY_POINTER, NULL);
window_info.render_surface = SDL_GetPointerProperty(
SDL_GetWindowProperties(window), SDL_PROP_WINDOW_WAYLAND_SURFACE_POINTER, NULL);
}
#elif defined(SDL_PLATFORM_MACOS)
window_info.type = WindowSystemType::Metal;
window_info.render_surface = SDL_Metal_GetLayer(SDL_Metal_CreateView(window));
#endif
// initialize kbm controls
parseInputConfig("keyboardInputConfig.ini");
// Start polling the mouse
if (mouse_polling_id == 0) {
mouse_polling_id = SDL_AddTimer(33, mousePolling, (void*)this);
}
}
WindowSDL::~WindowSDL() = default;
void WindowSDL::waitEvent() {
// Called on main thread
SDL_Event event{};
if (!SDL_WaitEvent(&event)) {
return;
}
if (ImGui::Core::ProcessEvent(&event)) {
return;
}
SDL_Event* event_copy = new SDL_Event();
*event_copy = event;
std::pair<WindowSDL*, SDL_Event*>* payload_to_timer =
new std::pair<WindowSDL*, SDL_Event*>(this, event_copy);
switch (event.type) {
case SDL_EVENT_WINDOW_RESIZED:
case SDL_EVENT_WINDOW_MAXIMIZED:
case SDL_EVENT_WINDOW_RESTORED:
onResize();
break;
case SDL_EVENT_WINDOW_MINIMIZED:
case SDL_EVENT_WINDOW_EXPOSED:
is_shown = event.type == SDL_EVENT_WINDOW_EXPOSED;
onResize();
break;
case SDL_EVENT_MOUSE_WHEEL:
case SDL_EVENT_MOUSE_BUTTON_UP:
case SDL_EVENT_MOUSE_BUTTON_DOWN:
// native mouse update function goes here
// as seen in pr #633
case SDL_EVENT_KEY_DOWN:
case SDL_EVENT_KEY_UP:
SDL_AddTimer(33, keyRepeatCallback, (void*)payload_to_timer);
onKeyboardMouseEvent(&event);
break;
case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
case SDL_EVENT_GAMEPAD_BUTTON_UP:
case SDL_EVENT_GAMEPAD_AXIS_MOTION:
case SDL_EVENT_GAMEPAD_ADDED:
case SDL_EVENT_GAMEPAD_REMOVED:
case SDL_EVENT_GAMEPAD_TOUCHPAD_DOWN:
case SDL_EVENT_GAMEPAD_TOUCHPAD_UP:
case SDL_EVENT_GAMEPAD_TOUCHPAD_MOTION:
onGamepadEvent(&event);
break;
case SDL_EVENT_QUIT:
is_open = false;
break;
default:
break;
}
}
void WindowSDL::onResize() {
SDL_GetWindowSizeInPixels(window, &width, &height);
ImGui::Core::OnResize();
}
// for L2/R2, touchpad and normal buttons
void WindowSDL::updateButton(KeyBinding& binding, u32 button, bool is_pressed) {
float touchpad_x = 0;
Input::Axis axis = Input::Axis::AxisMax;
switch (button) {
case OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_L2:
case OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_R2:
axis = (button == OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_R2) ? Input::Axis::TriggerRight
: Input::Axis::TriggerLeft;
// int axis_value = is_pressed ? 255 : 0;
// int ax = Input::GetAxis(0, 0x80, is_pressed ? 255 : 0);
controller->Axis(0, axis, Input::GetAxis(0, 0x80, is_pressed ? 255 : 0));
break;
case OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_TOUCH_PAD:
touchpad_x = Config::getBackButtonBehavior() == "left" ? 0.25f
: Config::getBackButtonBehavior() == "right" ? 0.75f
: 0.5f;
controller->SetTouchpadState(0, true, touchpad_x, 0.5f);
controller->CheckButton(0, button, is_pressed);
break;
default: // is a normal key
controller->CheckButton(0, button, is_pressed);
break;
}
}
// previously onKeyPress
void WindowSDL::onKeyboardMouseEvent(const SDL_Event* event) {
// Extract key and modifier
KeyBinding binding(event);
bool input_down = event->type == SDL_EVENT_KEY_DOWN ||
event->type == SDL_EVENT_MOUSE_BUTTON_DOWN ||
event->type == SDL_EVENT_MOUSE_WHEEL;
// Handle window controls outside of the input maps
if (event->type == SDL_EVENT_KEY_DOWN) {
// Reparse kbm inputs
if (binding.key == SDLK_F8) {
parseInputConfig("keyboardInputConfig.ini");
}
// Toggle mouse capture and movement input
else if (binding.key == SDLK_F9) {
mouse_enabled = !mouse_enabled;
SDL_SetWindowRelativeMouseMode(this->GetSdlWindow(),
!SDL_GetWindowRelativeMouseMode(this->GetSdlWindow()));
}
// Toggle fullscreen
else if (binding.key == SDLK_F11) {
SDL_WindowFlags flag = SDL_GetWindowFlags(window);
bool is_fullscreen = flag & SDL_WINDOW_FULLSCREEN;
SDL_SetWindowFullscreen(window, !is_fullscreen);
}
// Trigger rdoc capture
else if (binding.key == SDLK_F12) {
VideoCore::TriggerCapture();
}
}
// Check for modifier toggle
auto modkey_toggle_it = key_to_modkey_toggle_map.find(binding.key);
modkey_toggle_it->second.second ^=
(modkey_toggle_it != key_to_modkey_toggle_map.end() &&
(binding.modifier & (~modkey_toggle_it->second.first)) == SDL_KMOD_NONE && input_down);
// Check if the current key+modifier is a button or axis mapping
// first only exact matches
auto button_it = FindKeyAllowingPartialModifiers(button_map, binding);
auto axis_it = FindKeyAllowingPartialModifiers(axis_map, binding);
// then no mod key matches if we didn't find it in the previous pass
if (button_it == button_map.end() && axis_it == axis_map.end()) {
button_it = FindKeyAllowingOnlyNoModifiers(button_map, binding);
}
if (axis_it == axis_map.end() && button_it == button_map.end()) {
axis_it = FindKeyAllowingOnlyNoModifiers(axis_map, binding);
}
if (button_it != button_map.end()) {
// joystick_halfmode is not a button update so we handle it differently
if (button_it->second == LEFTJOYSTICK_HALFMODE) {
leftjoystick_halfmode = input_down;
} else if (button_it->second == RIGHTJOYSTICK_HALFMODE) {
rightjoystick_halfmode = input_down;
} else {
WindowSDL::updateButton(binding, button_it->second, input_down);
}
}
if (axis_it != axis_map.end()) {
Input::Axis axis = axis_it->second.axis;
float multiplier = 1.0;
switch (axis) {
case Input::Axis::LeftX:
case Input::Axis::LeftY:
multiplier = leftjoystick_halfmode ? 0.5 : 1.0;
break;
case Input::Axis::RightX:
case Input::Axis::RightY:
multiplier = rightjoystick_halfmode ? 0.5 : 1.0;
break;
default:
break;
}
int axis_value = (input_down ? axis_it->second.value : 0) * multiplier;
int ax = Input::GetAxis(-0x80, 0x80, axis_value);
controller->Axis(0, axis, ax);
}
}
// if we don't do this, then if we activate a mod keyed input and let go of the mod key first,
// the button will be stuck on the "on" state becuse the "turn off" signal would only come from
// the other key being unpressed
void WindowSDL::updateModKeyedInputsManually(Frontend::KeyBinding& binding) {
bool mod_keyed_input_found = false;
for (auto input : button_map) {
if (input.first.modifier != SDL_KMOD_NONE) {
if ((input.first.modifier & binding.modifier) == 0) {
WindowSDL::updateButton(binding, input.second, false);
} else if (input.first.key == binding.key) {
mod_keyed_input_found = true;
}
}
}
for (auto input : axis_map) {
if (input.first.modifier != SDL_KMOD_NONE) {
if ((input.first.modifier & binding.modifier) == 0) {
controller->Axis(0, input.second.axis, Input::GetAxis(-0x80, 0x80, 0));
} else if (input.first.key == binding.key) {
mod_keyed_input_found = true;
}
}
}
// if both non mod keyed and mod keyed inputs are used and you press the key and then the mod
// key in a single frame, both will activate but the simple one will not deactivate, unless i
// use this stupid looking workaround
if (!mod_keyed_input_found)
return; // in this case the fix for the fix for the wrong update order is not needed
for (auto input : button_map) {
if (input.first.modifier == SDL_KMOD_NONE) {
WindowSDL::updateButton(binding, input.second, false);
}
}
for (auto input : axis_map) {
if (input.first.modifier == SDL_KMOD_NONE) {
controller->Axis(0, input.second.axis, Input::GetAxis(-0x80, 0x80, 0));
}
}
// also this sometimes leads to janky inputs but whoever decides to intentionally create a state
// where this is needed should not deserve a smooth experience anyway
}
void WindowSDL::onGamepadEvent(const SDL_Event* event) {
using Libraries::Pad::OrbisPadButtonDataOffset;
u32 button = 0;
Input::Axis axis = Input::Axis::AxisMax;
switch (event->type) {
case SDL_EVENT_GAMEPAD_ADDED:
case SDL_EVENT_GAMEPAD_REMOVED:
controller->TryOpenSDLController();
break;
case SDL_EVENT_GAMEPAD_TOUCHPAD_DOWN:
case SDL_EVENT_GAMEPAD_TOUCHPAD_UP:
case SDL_EVENT_GAMEPAD_TOUCHPAD_MOTION:
controller->SetTouchpadState(event->gtouchpad.finger,
event->type != SDL_EVENT_GAMEPAD_TOUCHPAD_UP,
event->gtouchpad.x, event->gtouchpad.y);
break;
case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
case SDL_EVENT_GAMEPAD_BUTTON_UP:
button = sdlGamepadToOrbisButton(event->gbutton.button);
if (button != 0) {
if (event->gbutton.button == SDL_GAMEPAD_BUTTON_BACK) {
std::string backButtonBehavior = Config::getBackButtonBehavior();
if (backButtonBehavior != "none") {
float x = backButtonBehavior == "left"
? 0.25f
: (backButtonBehavior == "right" ? 0.75f : 0.5f);
// trigger a touchpad event so that the touchpad emulation for back button works
controller->SetTouchpadState(0, true, x, 0.5f);
controller->CheckButton(0, button,
event->type == SDL_EVENT_GAMEPAD_BUTTON_DOWN);
}
} else {
controller->CheckButton(0, button, event->type == SDL_EVENT_GAMEPAD_BUTTON_DOWN);
}
}
break;
case SDL_EVENT_GAMEPAD_AXIS_MOTION:
axis = event->gaxis.axis == SDL_GAMEPAD_AXIS_LEFTX ? Input::Axis::LeftX
: event->gaxis.axis == SDL_GAMEPAD_AXIS_LEFTY ? Input::Axis::LeftY
: event->gaxis.axis == SDL_GAMEPAD_AXIS_RIGHTX ? Input::Axis::RightX
: event->gaxis.axis == SDL_GAMEPAD_AXIS_RIGHTY ? Input::Axis::RightY
: event->gaxis.axis == SDL_GAMEPAD_AXIS_LEFT_TRIGGER ? Input::Axis::TriggerLeft
: event->gaxis.axis == SDL_GAMEPAD_AXIS_RIGHT_TRIGGER ? Input::Axis::TriggerRight
: Input::Axis::AxisMax;
if (axis != Input::Axis::AxisMax) {
if (event->gaxis.axis == SDL_GAMEPAD_AXIS_LEFT_TRIGGER ||
event->gaxis.axis == SDL_GAMEPAD_AXIS_RIGHT_TRIGGER) {
controller->Axis(0, axis, Input::GetAxis(0, 0x8000, event->gaxis.value));
} else {
controller->Axis(0, axis, Input::GetAxis(-0x8000, 0x8000, event->gaxis.value));
}
}
break;
}
}
int WindowSDL::sdlGamepadToOrbisButton(u8 button) {
using Libraries::Pad::OrbisPadButtonDataOffset;
switch (button) {
case SDL_GAMEPAD_BUTTON_DPAD_DOWN:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_DOWN;
case SDL_GAMEPAD_BUTTON_DPAD_UP:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_UP;
case SDL_GAMEPAD_BUTTON_DPAD_LEFT:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_LEFT;
case SDL_GAMEPAD_BUTTON_DPAD_RIGHT:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_RIGHT;
case SDL_GAMEPAD_BUTTON_SOUTH:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_CROSS;
case SDL_GAMEPAD_BUTTON_NORTH:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_TRIANGLE;
case SDL_GAMEPAD_BUTTON_WEST:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_SQUARE;
case SDL_GAMEPAD_BUTTON_EAST:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_CIRCLE;
case SDL_GAMEPAD_BUTTON_START:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_OPTIONS;
case SDL_GAMEPAD_BUTTON_TOUCHPAD:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_TOUCH_PAD;
case SDL_GAMEPAD_BUTTON_BACK:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_TOUCH_PAD;
case SDL_GAMEPAD_BUTTON_LEFT_SHOULDER:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_L1;
case SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_R1;
case SDL_GAMEPAD_BUTTON_LEFT_STICK:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_L3;
case SDL_GAMEPAD_BUTTON_RIGHT_STICK:
return OrbisPadButtonDataOffset::ORBIS_PAD_BUTTON_R3;
default:
return 0;
}
}
} // namespace Frontend
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