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14a17c9d22a14c00ec2bacfc167b2ccc1a7aa85e
cocos-engine/native/cocos/platform/linux/LinuxPlatform.cpp
Yun Hsiao Wu 14a17c9d22 license upgrade (#4210)
2022-01-24 17:18:47 +08:00

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/****************************************************************************
Copyright (c) 2021-2022 Xiamen Yaji Software Co., Ltd.
http://www.cocos.com
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated engine source code (the "Software"), a limited,
worldwide, royalty-free, non-assignable, revocable and non-exclusive license
to use Cocos Creator solely to develop games on your target platforms. You shall
not use Cocos Creator software for developing other software or tools that's
used for developing games. You are not granted to publish, distribute,
sublicense, and/or sell copies of Cocos Creator.
The software or tools in this License Agreement are licensed, not sold.
Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "platform/linux/LinuxPlatform.h"
#include <sys/time.h>
#include <unistd.h>
#include "SDL2/SDL.h"
#include "SDL2/SDL_main.h"
#include "SDL2/SDL_syswm.h"
#include "platform/interfaces/OSInterface.h"
#include "platform/interfaces/modules/ISystemWindow.h"
namespace {
std::unordered_map<int, cc::KeyCode> gKeyMap = {
{SDLK_APPLICATION, cc::KeyCode::CONTEXT_MENU},
{SDLK_SCROLLLOCK, cc::KeyCode::SCROLLLOCK},
{SDLK_PAUSE, cc::KeyCode::PAUSE},
{SDLK_PRINTSCREEN, cc::KeyCode::PRINT_SCREEN},
{SDLK_INSERT, cc::KeyCode::INSERT},
{SDLK_ESCAPE, cc::KeyCode::ESCAPE},
{SDLK_MINUS, cc::KeyCode::MINUS},
{SDLK_LSHIFT, cc::KeyCode::SHIFT_LEFT},
{SDLK_RSHIFT, cc::KeyCode::SHIFT_RIGHT},
{SDLK_EQUALS, cc::KeyCode::EQUAL},
{SDLK_BACKSLASH, cc::KeyCode::BACKSLASH},
{SDLK_BACKQUOTE, cc::KeyCode::BACKQUOTE},
{SDLK_BACKSPACE, cc::KeyCode::BACKSPACE},
{SDLK_RETURN, cc::KeyCode::ENTER},
{SDLK_RETURN2, cc::KeyCode::ENTER},
{SDLK_LEFTBRACKET, cc::KeyCode::BRACKET_LEFT},
{SDLK_RIGHTBRACKET, cc::KeyCode::BRACKET_RIGHT},
{SDLK_SEMICOLON, cc::KeyCode::SEMICOLON},
{SDLK_QUOTE, cc::KeyCode::QUOTE},
{SDLK_TAB, cc::KeyCode::TAB},
{SDLK_LCTRL, cc::KeyCode::CONTROL_LEFT},
{SDLK_RCTRL, cc::KeyCode::CONTROL_RIGHT},
{SDLK_LALT, cc::KeyCode::ALT_LEFT},
{SDLK_RALT, cc::KeyCode::ALT_RIGHT},
{SDLK_LEFT, cc::KeyCode::ARROW_LEFT},
{SDLK_RIGHT, cc::KeyCode::ARROW_RIGHT},
{SDLK_UP, cc::KeyCode::ARROW_UP},
{SDLK_DOWN, cc::KeyCode::ARROW_DOWN},
{SDLK_KP_ENTER, cc::KeyCode::NUMPAD_ENTER},
{SDLK_KP_PLUS, cc::KeyCode::NUMPAD_PLUS},
{SDLK_KP_MULTIPLY, cc::KeyCode::NUMPAD_MULTIPLY},
{SDLK_KP_DIVIDE, cc::KeyCode::NUMPAD_DIVIDE},
{SDLK_KP_MINUS, cc::KeyCode::NUMPAD_MINUS},
{SDLK_KP_PERIOD, cc::KeyCode::NUMPAD_DECIMAL},
{SDLK_KP_BACKSPACE, cc::KeyCode::BACKSPACE},
{SDLK_NUMLOCKCLEAR, cc::KeyCode::NUM_LOCK},
{SDLK_HOME, cc::KeyCode::HOME},
{SDLK_PAGEUP, cc::KeyCode::PAGE_UP},
{SDLK_PAGEDOWN, cc::KeyCode::PAGE_DOWN},
{SDLK_END, cc::KeyCode::END},
{SDLK_COMMA, cc::KeyCode::COMMA},
{SDLK_PERIOD, cc::KeyCode::PERIOD},
{SDLK_SLASH, cc::KeyCode::SLASH},
{SDLK_SPACE, cc::KeyCode::SPACE},
{SDLK_DELETE, cc::KeyCode::DELETE_KEY},
{SDLK_CAPSLOCK, cc::KeyCode::CAPS_LOCK},
{SDLK_KP_0, cc::KeyCode::NUMPAD_0},
{SDLK_KP_1, cc::KeyCode::NUMPAD_1},
{SDLK_KP_2, cc::KeyCode::NUMPAD_2},
{SDLK_KP_3, cc::KeyCode::NUMPAD_3},
{SDLK_KP_4, cc::KeyCode::NUMPAD_4},
{SDLK_KP_5, cc::KeyCode::NUMPAD_5},
{SDLK_KP_6, cc::KeyCode::NUMPAD_6},
{SDLK_KP_7, cc::KeyCode::NUMPAD_7},
{SDLK_KP_8, cc::KeyCode::NUMPAD_8},
{SDLK_KP_9, cc::KeyCode::NUMPAD_9}};
int sdlKeycodeToCocosCode(int sdlCode, int mode) {
auto it = gKeyMap.find(sdlCode);
if (it != gKeyMap.end()) {
return static_cast<int>(it->second);
}
if (sdlCode >= SDLK_F1 && sdlCode <= SDLK_F12) {
// F1 ~ F12
return 112 + (sdlCode - SDLK_F1);
} else {
int code = sdlCode & (~(1 << 30));
if (code >= SDLK_a && code <= SDLK_z) {
return 'A' + (code - SDLK_a);
} else {
return code;
}
}
}
std::unordered_map<cc::ISystemWindow::WindowFlags, SDL_WindowFlags> gWindowFlagMap = {
{cc::ISystemWindow::CC_WINDOW_FULLSCREEN, SDL_WINDOW_FULLSCREEN},
{cc::ISystemWindow::CC_WINDOW_OPENGL, SDL_WINDOW_OPENGL},
{cc::ISystemWindow::CC_WINDOW_SHOWN, SDL_WINDOW_SHOWN},
{cc::ISystemWindow::CC_WINDOW_HIDDEN, SDL_WINDOW_HIDDEN},
{cc::ISystemWindow::CC_WINDOW_BORDERLESS, SDL_WINDOW_BORDERLESS},
{cc::ISystemWindow::CC_WINDOW_RESIZABLE, SDL_WINDOW_RESIZABLE},
{cc::ISystemWindow::CC_WINDOW_MINIMIZED, SDL_WINDOW_MINIMIZED},
{cc::ISystemWindow::CC_WINDOW_MAXIMIZED, SDL_WINDOW_MAXIMIZED},
{cc::ISystemWindow::CC_WINDOW_INPUT_GRABBED, SDL_WINDOW_INPUT_GRABBED},
{cc::ISystemWindow::CC_WINDOW_INPUT_FOCUS, SDL_WINDOW_INPUT_FOCUS},
{cc::ISystemWindow::CC_WINDOW_MOUSE_FOCUS, SDL_WINDOW_MOUSE_FOCUS},
{cc::ISystemWindow::CC_WINDOW_FULLSCREEN_DESKTOP, SDL_WINDOW_FULLSCREEN_DESKTOP},
{cc::ISystemWindow::CC_WINDOW_FOREIGN, SDL_WINDOW_FOREIGN},
{cc::ISystemWindow::CC_WINDOW_ALLOW_HIGHDPI, SDL_WINDOW_ALLOW_HIGHDPI},
{cc::ISystemWindow::CC_WINDOW_MOUSE_CAPTURE, SDL_WINDOW_MOUSE_CAPTURE},
{cc::ISystemWindow::CC_WINDOW_ALWAYS_ON_TOP, SDL_WINDOW_ALWAYS_ON_TOP},
{cc::ISystemWindow::CC_WINDOW_SKIP_TASKBAR, SDL_WINDOW_SKIP_TASKBAR},
{cc::ISystemWindow::CC_WINDOW_UTILITY, SDL_WINDOW_UTILITY},
{cc::ISystemWindow::CC_WINDOW_TOOLTIP, SDL_WINDOW_TOOLTIP},
{cc::ISystemWindow::CC_WINDOW_POPUP_MENU, SDL_WINDOW_POPUP_MENU},
{cc::ISystemWindow::CC_WINDOW_VULKAN, SDL_WINDOW_VULKAN}};
int windowFlagsToSDLWindowFlag(int flags) {
int sdlFlags = 0;
for (auto it : gWindowFlagMap) {
if ((it.first & flags) == it.first) {
sdlFlags |= it.second;
}
}
return sdlFlags;
}
} // namespace
namespace cc {
LinuxPlatform::LinuxPlatform() = default;
LinuxPlatform::~LinuxPlatform() {
if (_handle) {
SDL_DestroyWindow(_handle);
_handle = nullptr;
}
if (_inited) {
SDL_Quit();
}
}
int32_t LinuxPlatform::init() {
UniversalPlatform::init();
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
// Display error message
CC_LOG_ERROR("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
return false;
}
return 0;
}
static long getCurrentMillSecond() {
long lLastTime;
struct timeval stCurrentTime;
gettimeofday(&stCurrentTime, NULL);
lLastTime = stCurrentTime.tv_sec * 1000 + stCurrentTime.tv_usec * 0.001; // milliseconds
return lLastTime;
}
int32_t LinuxPlatform::loop() {
long lastTime = 0L;
long curTime = 0L;
long desiredInterval = 0L;
long actualInterval = 0L;
onResume();
while (!_quit) {
curTime = getCurrentMillSecond();
desiredInterval = (long)(1.0 / getFps());
pollEvent();
actualInterval = curTime - lastTime;
if (actualInterval >= desiredInterval) {
lastTime = getCurrentMillSecond();
runTask();
SDL_GL_SwapWindow(_handle);
} else {
usleep((desiredInterval - curTime + lastTime) * 1000);
}
}
onDestory();
return 0;
}
void LinuxPlatform::handleWindowEvent(SDL_WindowEvent &wevent) {
WindowEvent ev;
switch (wevent.event) {
case SDL_WINDOWEVENT_SHOWN: {
ev.type = WindowEvent::Type::SHOW;
dispatchEvent(ev);
break;
}
case SDL_WINDOWEVENT_RESTORED: {
ev.type = WindowEvent::Type::RESTORED;
dispatchEvent(ev);
break;
}
case SDL_WINDOWEVENT_SIZE_CHANGED: {
ev.type = WindowEvent::Type::SIZE_CHANGED;
ev.width = wevent.data1;
ev.height = wevent.data2;
dispatchEvent(ev);
break;
}
case SDL_WINDOWEVENT_RESIZED: {
ev.type = WindowEvent::Type::RESIZED;
ev.width = wevent.data1;
ev.height = wevent.data2;
dispatchEvent(ev);
break;
}
case SDL_WINDOWEVENT_HIDDEN: {
ev.type = WindowEvent::Type::HIDDEN;
dispatchEvent(ev);
break;
}
case SDL_WINDOWEVENT_MINIMIZED: {
ev.type = WindowEvent::Type::MINIMIZED;
dispatchEvent(ev);
break;
}
case SDL_WINDOWEVENT_ENTER: {
SDL_CaptureMouse(SDL_TRUE);
break;
}
case SDL_WINDOWEVENT_CLOSE: {
ev.type = WindowEvent::Type::CLOSE;
dispatchEvent(ev);
break;
}
}
}
void LinuxPlatform::pollEvent() {
SDL_Event sdlEvent;
int cnt = SDL_PollEvent(&sdlEvent);
if (cnt == 0) {
return;
}
cc::TouchEvent touch;
cc::MouseEvent mouse;
cc::KeyboardEvent keyboard;
switch (sdlEvent.type) {
case SDL_QUIT: {
_quit = true;
WindowEvent ev;
ev.type = WindowEvent::Type::QUIT;
dispatchEvent(ev);
break;
}
case SDL_WINDOWEVENT: {
handleWindowEvent(sdlEvent.window);
break;
}
case SDL_MOUSEBUTTONDOWN: {
SDL_MouseButtonEvent &event = sdlEvent.button;
mouse.type = MouseEvent::Type::DOWN;
mouse.x = static_cast<float>(event.x);
mouse.y = static_cast<float>(event.y);
/*if (0 > mouse.x || mouse.x > this->_width || 0 > mouse.y || mouse.y > this->_height) {
break;
}*/
mouse.button = event.button - 1;
dispatchEvent(mouse);
break;
}
case SDL_MOUSEBUTTONUP: {
SDL_MouseButtonEvent &event = sdlEvent.button;
mouse.type = MouseEvent::Type::UP;
mouse.x = static_cast<float>(event.x);
mouse.y = static_cast<float>(event.y);
mouse.button = event.button - 1;
dispatchEvent(mouse);
break;
}
case SDL_MOUSEMOTION: {
SDL_MouseMotionEvent &event = sdlEvent.motion;
mouse.type = MouseEvent::Type::MOVE;
mouse.x = static_cast<float>(event.x);
mouse.y = static_cast<float>(event.y);
mouse.button = 0;
dispatchEvent(mouse);
break;
}
case SDL_MOUSEWHEEL: {
SDL_MouseWheelEvent &event = sdlEvent.wheel;
mouse.type = MouseEvent::Type::WHEEL;
mouse.x = static_cast<float>(event.x);
mouse.y = static_cast<float>(event.y);
mouse.button = 0; //TODO: direction
dispatchEvent(mouse);
break;
}
case SDL_FINGERUP: {
SDL_TouchFingerEvent &event = sdlEvent.tfinger;
touch.type = TouchEvent::Type::ENDED;
touch.touches = {TouchInfo(event.x, event.y, (int)event.fingerId)};
dispatchEvent(touch);
break;
}
case SDL_FINGERDOWN: {
SDL_TouchFingerEvent &event = sdlEvent.tfinger;
touch.type = TouchEvent::Type::BEGAN;
touch.touches = {TouchInfo(event.x, event.y, (int)event.fingerId)};
dispatchEvent(touch);
break;
}
case SDL_FINGERMOTION: {
SDL_TouchFingerEvent &event = sdlEvent.tfinger;
touch.type = TouchEvent::Type::MOVED;
touch.touches = {TouchInfo(event.x, event.y, (int)event.fingerId)};
dispatchEvent(touch);
break;
}
case SDL_KEYDOWN: {
SDL_KeyboardEvent &event = sdlEvent.key;
auto mode = event.keysym.mod;
keyboard.action = KeyboardEvent::Action::PRESS;
keyboard.key = sdlKeycodeToCocosCode(event.keysym.sym, mode);
keyboard.altKeyActive = mode & KMOD_ALT;
keyboard.ctrlKeyActive = mode & KMOD_CTRL;
keyboard.shiftKeyActive = mode & KMOD_SHIFT;
//CC_LOG_DEBUG("==> key %d -> code %d", event.keysym.sym, keyboard.key);
//cc::EventDispatcher::dispatchKeyboardEvent(keyboard);
dispatchEvent(keyboard);
break;
}
case SDL_KEYUP: {
SDL_KeyboardEvent &event = sdlEvent.key;
auto mode = event.keysym.mod;
keyboard.action = KeyboardEvent::Action::RELEASE;
keyboard.key = sdlKeycodeToCocosCode(event.keysym.sym, mode);
keyboard.altKeyActive = mode & KMOD_ALT;
keyboard.ctrlKeyActive = mode & KMOD_CTRL;
keyboard.shiftKeyActive = mode & KMOD_SHIFT;
dispatchEvent(keyboard);
//cc::EventDispatcher::dispatchKeyboardEvent(keyboard);
break;
}
default:
break;
}
}
bool LinuxPlatform::createWindow(const char *title,
int x, int y, int w,
int h, int flags) {
if (_inited) {
return true;
}
// Create window
int sdlFlags = windowFlagsToSDLWindowFlag(flags);
_handle = SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, w, h, sdlFlags);
if (_handle == nullptr) {
// Display error message
CC_LOG_ERROR("Window could not be created! SDL_Error: %s\n", SDL_GetError());
return false;
}
_inited = true;
return true;
}
uintptr_t LinuxPlatform::getWindowHandler() const {
SDL_SysWMinfo wmInfo;
SDL_VERSION(&wmInfo.version);
SDL_GetWindowWMInfo(_handle, &wmInfo);
return reinterpret_cast<uintptr_t>(wmInfo.info.x11.window);
}
} // namespace cc
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