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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup GHOST
*/
#include "GHOST_System.h"
#include <chrono>
#include <stdio.h> /* just for printf */
#include "GHOST_DisplayManager.h"
#include "GHOST_EventManager.h"
#include "GHOST_TimerManager.h"
#include "GHOST_TimerTask.h"
#include "GHOST_WindowManager.h"
#ifdef WITH_INPUT_NDOF
# include "GHOST_NDOFManager.h"
#endif
GHOST_System::GHOST_System()
: m_nativePixel(false),
m_windowFocus(true),
m_displayManager(NULL),
m_timerManager(NULL),
m_windowManager(NULL),
m_eventManager(NULL),
#ifdef WITH_INPUT_NDOF
m_ndofManager(0),
#endif
m_tabletAPI(GHOST_kTabletAutomatic),
m_is_debug_enabled(false)
{
}
GHOST_System::~GHOST_System()
{
exit();
}
uint64_t GHOST_System::getMilliSeconds() const
{
return std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now().time_since_epoch())
.count();
}
GHOST_ITimerTask *GHOST_System::installTimer(uint64_t delay,
uint64_t interval,
GHOST_TimerProcPtr timerProc,
GHOST_TUserDataPtr userData)
{
uint64_t millis = getMilliSeconds();
GHOST_TimerTask *timer = new GHOST_TimerTask(millis + delay, interval, timerProc, userData);
if (timer) {
if (m_timerManager->addTimer(timer) == GHOST_kSuccess) {
/* Check to see whether we need to fire the timer right away. */
m_timerManager->fireTimers(millis);
}
else {
delete timer;
timer = NULL;
}
}
return timer;
}
GHOST_TSuccess GHOST_System::removeTimer(GHOST_ITimerTask *timerTask)
{
GHOST_TSuccess success = GHOST_kFailure;
if (timerTask) {
success = m_timerManager->removeTimer((GHOST_TimerTask *)timerTask);
}
return success;
}
GHOST_TSuccess GHOST_System::disposeWindow(GHOST_IWindow *window)
{
GHOST_TSuccess success;
/*
* Remove all pending events for the window.
*/
if (m_windowManager->getWindowFound(window)) {
m_eventManager->removeWindowEvents(window);
}
if (window == m_windowManager->getFullScreenWindow()) {
success = endFullScreen();
}
else {
if (m_windowManager->getWindowFound(window)) {
success = m_windowManager->removeWindow(window);
if (success) {
delete window;
}
}
else {
success = GHOST_kFailure;
}
}
return success;
}
bool GHOST_System::validWindow(GHOST_IWindow *window)
{
return m_windowManager->getWindowFound(window);
}
GHOST_TSuccess GHOST_System::beginFullScreen(const GHOST_DisplaySetting &setting,
GHOST_IWindow **window,
const bool stereoVisual,
const bool alphaBackground)
{
GHOST_TSuccess success = GHOST_kFailure;
GHOST_ASSERT(m_windowManager, "GHOST_System::beginFullScreen(): invalid window manager");
if (m_displayManager) {
if (!m_windowManager->getFullScreen()) {
m_displayManager->getCurrentDisplaySetting(GHOST_DisplayManager::kMainDisplay,
m_preFullScreenSetting);
// GHOST_PRINT("GHOST_System::beginFullScreen(): activating new display settings\n");
success = m_displayManager->setCurrentDisplaySetting(GHOST_DisplayManager::kMainDisplay,
setting);
if (success == GHOST_kSuccess) {
// GHOST_PRINT("GHOST_System::beginFullScreen(): creating full-screen window\n");
success = createFullScreenWindow(
(GHOST_Window **)window, setting, stereoVisual, alphaBackground);
if (success == GHOST_kSuccess) {
m_windowManager->beginFullScreen(*window, stereoVisual);
}
else {
m_displayManager->setCurrentDisplaySetting(GHOST_DisplayManager::kMainDisplay,
m_preFullScreenSetting);
}
}
}
}
if (success == GHOST_kFailure) {
GHOST_PRINT("GHOST_System::beginFullScreen(): could not enter full-screen mode\n");
}
return success;
}
GHOST_TSuccess GHOST_System::updateFullScreen(const GHOST_DisplaySetting &setting,
GHOST_IWindow ** /*window*/)
{
GHOST_TSuccess success = GHOST_kFailure;
GHOST_ASSERT(m_windowManager, "GHOST_System::updateFullScreen(): invalid window manager");
if (m_displayManager) {
if (m_windowManager->getFullScreen()) {
success = m_displayManager->setCurrentDisplaySetting(GHOST_DisplayManager::kMainDisplay,
setting);
}
}
return success;
}
GHOST_TSuccess GHOST_System::endFullScreen(void)
{
GHOST_TSuccess success = GHOST_kFailure;
GHOST_ASSERT(m_windowManager, "GHOST_System::endFullScreen(): invalid window manager");
if (m_windowManager->getFullScreen()) {
// GHOST_IWindow* window = m_windowManager->getFullScreenWindow();
// GHOST_PRINT("GHOST_System::endFullScreen(): leaving window manager full-screen mode\n");
success = m_windowManager->endFullScreen();
GHOST_ASSERT(m_displayManager, "GHOST_System::endFullScreen(): invalid display manager");
// GHOST_PRINT("GHOST_System::endFullScreen(): leaving full-screen mode\n");
success = m_displayManager->setCurrentDisplaySetting(GHOST_DisplayManager::kMainDisplay,
m_preFullScreenSetting);
}
else {
success = GHOST_kFailure;
}
return success;
}
bool GHOST_System::getFullScreen(void)
{
bool fullScreen;
if (m_windowManager) {
fullScreen = m_windowManager->getFullScreen();
}
else {
fullScreen = false;
}
return fullScreen;
}
void GHOST_System::dispatchEvents()
{
#ifdef WITH_INPUT_NDOF
/* NDOF Motion event is sent only once per dispatch, so do it now: */
if (m_ndofManager) {
m_ndofManager->sendMotionEvent();
}
#endif
if (m_eventManager) {
m_eventManager->dispatchEvents();
}
m_timerManager->fireTimers(getMilliSeconds());
}
GHOST_TSuccess GHOST_System::addEventConsumer(GHOST_IEventConsumer *consumer)
{
GHOST_TSuccess success;
if (m_eventManager) {
success = m_eventManager->addConsumer(consumer);
}
else {
success = GHOST_kFailure;
}
return success;
}
GHOST_TSuccess GHOST_System::removeEventConsumer(GHOST_IEventConsumer *consumer)
{
GHOST_TSuccess success;
if (m_eventManager) {
success = m_eventManager->removeConsumer(consumer);
}
else {
success = GHOST_kFailure;
}
return success;
}
GHOST_TSuccess GHOST_System::pushEvent(GHOST_IEvent *event)
{
GHOST_TSuccess success;
if (m_eventManager) {
success = m_eventManager->pushEvent(event);
}
else {
success = GHOST_kFailure;
}
return success;
}
GHOST_TSuccess GHOST_System::getModifierKeyState(GHOST_TModifierKeyMask mask, bool &isDown) const
{
GHOST_ModifierKeys keys;
/* Get the state of all modifier keys. */
GHOST_TSuccess success = getModifierKeys(keys);
if (success) {
/* Isolate the state of the key requested. */
isDown = keys.get(mask);
}
return success;
}
GHOST_TSuccess GHOST_System::getButtonState(GHOST_TButtonMask mask, bool &isDown) const
{
GHOST_Buttons buttons;
/* Get the state of all mouse buttons. */
GHOST_TSuccess success = getButtons(buttons);
if (success) {
/* Isolate the state of the mouse button requested. */
isDown = buttons.get(mask);
}
return success;
}
void GHOST_System::setTabletAPI(GHOST_TTabletAPI api)
{
m_tabletAPI = api;
}
GHOST_TTabletAPI GHOST_System::getTabletAPI(void)
{
return m_tabletAPI;
}
#ifdef WITH_INPUT_NDOF
void GHOST_System::setNDOFDeadZone(float deadzone)
{
if (this->m_ndofManager) {
this->m_ndofManager->setDeadZone(deadzone);
}
}
#endif
GHOST_TSuccess GHOST_System::init()
{
m_timerManager = new GHOST_TimerManager();
m_windowManager = new GHOST_WindowManager();
m_eventManager = new GHOST_EventManager();
#ifdef WITH_GHOST_DEBUG
if (m_eventManager) {
m_eventPrinter = new GHOST_EventPrinter();
m_eventManager->addConsumer(m_eventPrinter);
}
#endif /* WITH_GHOST_DEBUG */
if (m_timerManager && m_windowManager && m_eventManager) {
return GHOST_kSuccess;
}
else {
return GHOST_kFailure;
}
}
GHOST_TSuccess GHOST_System::exit()
{
if (getFullScreen()) {
endFullScreen();
}
delete m_displayManager;
m_displayManager = NULL;
delete m_windowManager;
m_windowManager = NULL;
delete m_timerManager;
m_timerManager = NULL;
delete m_eventManager;
m_eventManager = NULL;
#ifdef WITH_INPUT_NDOF
delete m_ndofManager;
m_ndofManager = NULL;
#endif
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_System::createFullScreenWindow(GHOST_Window **window,
const GHOST_DisplaySetting &settings,
const bool stereoVisual,
const bool alphaBackground)
{
GHOST_GLSettings glSettings = {0};
if (stereoVisual)
glSettings.flags |= GHOST_glStereoVisual;
if (alphaBackground)
glSettings.flags |= GHOST_glAlphaBackground;
/* NOTE: don't use #getCurrentDisplaySetting() because on X11 we may
* be zoomed in and the desktop may be bigger than the viewport. */
GHOST_ASSERT(m_displayManager,
"GHOST_System::createFullScreenWindow(): invalid display manager");
// GHOST_PRINT("GHOST_System::createFullScreenWindow(): creating full-screen window\n");
*window = (GHOST_Window *)createWindow("",
0,
0,
settings.xPixels,
settings.yPixels,
GHOST_kWindowStateNormal,
GHOST_kDrawingContextTypeOpenGL,
glSettings,
true /* exclusive */);
return (*window == NULL) ? GHOST_kFailure : GHOST_kSuccess;
}
bool GHOST_System::useNativePixel(void)
{
m_nativePixel = true;
return 1;
}
void GHOST_System::useWindowFocus(const bool use_focus)
{
m_windowFocus = use_focus;
}
void GHOST_System::initDebug(bool is_debug_enabled)
{
m_is_debug_enabled = is_debug_enabled;
}
bool GHOST_System::isDebugEnabled()
{
return m_is_debug_enabled;
}
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