DYTSrouce/src/viewer/GraphicsWindowEx.cpp
2025-01-17 02:33:15 +08:00

371 lines
12 KiB
C++

#include "viewer/GraphicsWindowEx.h"
#include <QOpenGLFrameBufferObjectFormat>
#include <QOpenGLFunctions>
#include <QThread>
#include <QKeyEvent>
#include <QMouseEvent>
#include <QWheelEvent>
#include "viewer/StateEx.h"
#include "config.h"
#include "common/SpdLogger.h"
//
//GraphicsWindowEx::GraphicsWindowEx(osg::GraphicsContext::Traits* traits)
// : osgViewer::GraphicsWindowEmbedded(traits) {
// _traits = traits;
//
// init();
//}
namespace {
class QtKeyboardMap {
public:
QtKeyboardMap() {
mKeyMap[Qt::Key_Escape] = osgGA::GUIEventAdapter::KEY_Escape;
mKeyMap[Qt::Key_Delete] = osgGA::GUIEventAdapter::KEY_Delete;
mKeyMap[Qt::Key_Home] = osgGA::GUIEventAdapter::KEY_Home;
mKeyMap[Qt::Key_Enter] = osgGA::GUIEventAdapter::KEY_KP_Enter;
mKeyMap[Qt::Key_End] = osgGA::GUIEventAdapter::KEY_End;
mKeyMap[Qt::Key_Return] = osgGA::GUIEventAdapter::KEY_Return;
mKeyMap[Qt::Key_PageUp] = osgGA::GUIEventAdapter::KEY_Page_Up;
mKeyMap[Qt::Key_PageDown] = osgGA::GUIEventAdapter::KEY_Page_Down;
mKeyMap[Qt::Key_Left] = osgGA::GUIEventAdapter::KEY_Left;
mKeyMap[Qt::Key_Right] = osgGA::GUIEventAdapter::KEY_Right;
mKeyMap[Qt::Key_Up] = osgGA::GUIEventAdapter::KEY_Up;
mKeyMap[Qt::Key_Down] = osgGA::GUIEventAdapter::KEY_Down;
mKeyMap[Qt::Key_Backspace] = osgGA::GUIEventAdapter::KEY_BackSpace;
mKeyMap[Qt::Key_Tab] = osgGA::GUIEventAdapter::KEY_Tab;
mKeyMap[Qt::Key_Space] = osgGA::GUIEventAdapter::KEY_Space;
mKeyMap[Qt::Key_Delete] = osgGA::GUIEventAdapter::KEY_Delete;
mKeyMap[Qt::Key_Alt] = osgGA::GUIEventAdapter::KEY_Alt_L;
mKeyMap[Qt::Key_Shift] = osgGA::GUIEventAdapter::KEY_Shift_L;
mKeyMap[Qt::Key_Control] = osgGA::GUIEventAdapter::KEY_Control_L;
mKeyMap[Qt::Key_Meta] = osgGA::GUIEventAdapter::KEY_Meta_L;
mKeyMap[Qt::Key_F1] = osgGA::GUIEventAdapter::KEY_F1;
mKeyMap[Qt::Key_F2] = osgGA::GUIEventAdapter::KEY_F2;
mKeyMap[Qt::Key_F3] = osgGA::GUIEventAdapter::KEY_F3;
mKeyMap[Qt::Key_F4] = osgGA::GUIEventAdapter::KEY_F4;
mKeyMap[Qt::Key_F5] = osgGA::GUIEventAdapter::KEY_F5;
mKeyMap[Qt::Key_F6] = osgGA::GUIEventAdapter::KEY_F6;
mKeyMap[Qt::Key_F7] = osgGA::GUIEventAdapter::KEY_F7;
mKeyMap[Qt::Key_F8] = osgGA::GUIEventAdapter::KEY_F8;
mKeyMap[Qt::Key_F9] = osgGA::GUIEventAdapter::KEY_F9;
mKeyMap[Qt::Key_F10] = osgGA::GUIEventAdapter::KEY_F10;
mKeyMap[Qt::Key_F11] = osgGA::GUIEventAdapter::KEY_F11;
mKeyMap[Qt::Key_F12] = osgGA::GUIEventAdapter::KEY_F12;
mKeyMap[Qt::Key_F13] = osgGA::GUIEventAdapter::KEY_F13;
mKeyMap[Qt::Key_F14] = osgGA::GUIEventAdapter::KEY_F14;
mKeyMap[Qt::Key_F15] = osgGA::GUIEventAdapter::KEY_F15;
mKeyMap[Qt::Key_F16] = osgGA::GUIEventAdapter::KEY_F16;
mKeyMap[Qt::Key_F17] = osgGA::GUIEventAdapter::KEY_F17;
mKeyMap[Qt::Key_F18] = osgGA::GUIEventAdapter::KEY_F18;
mKeyMap[Qt::Key_F19] = osgGA::GUIEventAdapter::KEY_F19;
mKeyMap[Qt::Key_F20] = osgGA::GUIEventAdapter::KEY_F20;
mKeyMap[Qt::Key_hyphen] = '-';
mKeyMap[Qt::Key_Equal] = '=';
mKeyMap[Qt::Key_division] = osgGA::GUIEventAdapter::KEY_KP_Divide;
mKeyMap[Qt::Key_multiply] = osgGA::GUIEventAdapter::KEY_KP_Multiply;
mKeyMap[Qt::Key_Minus] = '-';
mKeyMap[Qt::Key_Plus] = '+';
mKeyMap[Qt::Key_Insert] = osgGA::GUIEventAdapter::KEY_KP_Insert;
}
~QtKeyboardMap() {}
int remapKey(QKeyEvent* event) {
KeyMap::iterator itr = mKeyMap.find(event->key());
if (itr == mKeyMap.end()) {
return int(*(event->text().toLatin1().data()));
} else
return itr->second;
}
private:
typedef std::map<unsigned int, int> KeyMap;
KeyMap mKeyMap;
};
static QtKeyboardMap s_QtKeyboardMap;
static void setKeyboardModifiers(osgGA::EventQueue* eventQueue, QInputEvent* event) {
unsigned int modkey = event->modifiers() & (Qt::ShiftModifier |
Qt::ControlModifier |
Qt::AltModifier);
unsigned int mask = 0;
if (modkey & Qt::ShiftModifier) mask |= osgGA::GUIEventAdapter::MODKEY_SHIFT;
if (modkey & Qt::ControlModifier) mask |= osgGA::GUIEventAdapter::MODKEY_CTRL;
if (modkey & Qt::AltModifier) mask |= osgGA::GUIEventAdapter::MODKEY_ALT;
eventQueue->getCurrentEventState()->setModKeyMask(mask);
}
} // namespace
GraphicsWindowEx::GraphicsWindowEx(int x, int y, int width, int height)
: osgViewer::GraphicsWindowEmbedded(x, y, width == 0 ? 1 : width, height == 0 ? 1 : height) {
LOG_INFO("actor, self={}", spdlog::fmt_lib::ptr(this));
}
GraphicsWindowEx::~GraphicsWindowEx() {
LOG_INFO("dctor isSharedContextSet_:{}, self={}", isSharedContextSet_, spdlog::fmt_lib::ptr(this));
}
bool GraphicsWindowEx::realizeImplementation() {
LOG_INFO("realizeImplementation, isRealized_:{}, self={}", isRealized_, spdlog::fmt_lib::ptr(this));
if (isRealized_) {
return true;
}
dyt_check(nullptr != _state);
_state->resetVertexAttributeAlias(false);
_state->setModeValidity(GL_LIGHTING, false);
_state->setModeValidity(GL_NORMALIZE, false);
_state->setModeValidity(GL_RESCALE_NORMAL, false);
_state->setModeValidity(GL_LINE_STIPPLE, false);
_state->setModeValidity(GL_LINE_SMOOTH, false);
isRealized_ = true;
return true;
}
bool GraphicsWindowEx::makeCurrentImplementation() {
LOG_INFO("makeCurrentImplementation, isRealized_:{}, self={}", isRealized_, spdlog::fmt_lib::ptr(this));
InitOffScreenContext();
if (nullptr != offScreenContext_) {
offScreenContext_->makeCurrent(offScreenSurface_.get());
}
InitFrameBuffer();
setDefaultFboId(renderFramebuffer_->handle());
renderFramebuffer_->bind();
return true;
}
void GraphicsWindowEx::closeImplementation() {
if (!isSharedContextSet_) {
return;
}
if (isFrameBufferInitialized_) {
offScreenContext_->makeCurrent(offScreenSurface_.get());
renderFramebuffer_.reset();
sharedFrameBuffer_.reset();
offScreenContext_->doneCurrent();
}
offScreenContext_.reset();
offScreenSurface_.reset();
}
bool GraphicsWindowEx::releaseContextImplementation() {
LOG_INFO("releaseContextImplementation, self={}", spdlog::fmt_lib::ptr(this));
QOpenGLFramebufferObject::bindDefault();
offScreenContext_->doneCurrent();
return true;
}
void GraphicsWindowEx::swapBuffersImplementation() {
offScreenContext_->functions()->glFinish();
frameBufferId_ = renderFramebuffer_->texture();
if (!isRenderDonwn_) {
return;
}
qSwap(renderFramebuffer_, sharedFrameBuffer_);
isRenderDonwn_ = false;
}
bool GraphicsWindowEx::SetSharedContext(QOpenGLContext* sharedContext) {
sharedContext_ = sharedContext;
return true;
}
void GraphicsWindowEx::ReizeWindow(int width, int height) {
if (width == _traits->width && height == _traits->height) {
return;
}
getEventQueue()->windowResize(0, 0, width, height);
resized(0, 0, width, height);
isFrameBufferInitialized_ = false;
}
void GraphicsWindowEx::keyPressEvent(QKeyEvent* event) {
setKeyboardModifiers(getEventQueue(), event);
int value = s_QtKeyboardMap.remapKey(event);
getEventQueue()->keyPress(value);
}
void GraphicsWindowEx::keyReleaseEvent(QKeyEvent* event) {
if (event->isAutoRepeat()) {
event->ignore();
} else {
setKeyboardModifiers(getEventQueue(), event);
int value = s_QtKeyboardMap.remapKey(event);
getEventQueue()->keyPress(value);
}
}
void GraphicsWindowEx::mousePressEvent(QMouseEvent* event) {
int button = 0;
switch (event->button()) {
case Qt::LeftButton:
button = 1;
break;
case Qt::MidButton:
button = 2;
break;
case Qt::RightButton:
button = 3;
break;
case Qt::NoButton:
button = 0;
break;
default:
button = 0;
break;
}
setKeyboardModifiers(getEventQueue(), event);
getEventQueue()->mouseButtonPress(event->x() * windowScale_,
event->y() * windowScale_, button);
}
void GraphicsWindowEx::mouseReleaseEvent(QMouseEvent* event) {
int button = 0;
switch (event->button()) {
case Qt::LeftButton:
button = 1;
break;
case Qt::MidButton:
button = 2;
break;
case Qt::RightButton:
button = 3;
break;
case Qt::NoButton:
button = 0;
break;
default:
button = 0;
break;
}
setKeyboardModifiers(getEventQueue(), event);
getEventQueue()->mouseButtonRelease(event->x() * windowScale_,
event->y() * windowScale_, button);
}
void GraphicsWindowEx::mouseDoubleClickEvent(QMouseEvent* event) {
int button = 0;
switch (event->button()) {
case Qt::LeftButton:
button = 1;
break;
case Qt::MidButton:
button = 2;
break;
case Qt::RightButton:
button = 3;
break;
case Qt::NoButton:
button = 0;
break;
default:
button = 0;
break;
}
setKeyboardModifiers(getEventQueue(), event);
getEventQueue()->mouseDoubleButtonPress(event->x() * windowScale_,
event->y() * windowScale_, button);
}
void GraphicsWindowEx::mouseMoveEvent(QMouseEvent* event) {
setKeyboardModifiers(getEventQueue(), event);
getEventQueue()->mouseMotion(event->x() * windowScale_,
event->y() * windowScale_);
}
void GraphicsWindowEx::wheelEvent(QWheelEvent* event) {
setKeyboardModifiers(getEventQueue(), event);
getEventQueue()->mouseMotion(event->x() * windowScale_,
event->y() * windowScale_);
getEventQueue()->mouseScroll(
event->orientation() == Qt::Vertical ?
(event->delta() > 0 ? osgGA::GUIEventAdapter::SCROLL_UP :
osgGA::GUIEventAdapter::SCROLL_DOWN) :
(event->delta() > 0 ? osgGA::GUIEventAdapter::SCROLL_LEFT :
osgGA::GUIEventAdapter::SCROLL_RIGHT));
}
void GraphicsWindowEx::InitOffScreenContext() {
if (isSharedContextSet_) {
return;
}
if (!offScreenSurface_) {
offScreenSurface_.reset(new QOffscreenSurface);
}
if (!offScreenContext_) {
offScreenContext_.reset(new QOpenGLContext);
}
LOG_INFO("Set shared context");
dyt_check(nullptr != sharedContext_);
offScreenContext_->setFormat(sharedContext_->format());
offScreenContext_->setShareContext(sharedContext_);
isSharedContextSet_ = offScreenContext_->create();
if (!isSharedContextSet_) {
LOG_ERROR("Failed to create offscreen context");
return;
}
offScreenSurface_->setFormat(offScreenContext_->format());
offScreenSurface_->create();
}
void GraphicsWindowEx::InitFrameBuffer() {
if (isFrameBufferInitialized_) {
return;
}
QOpenGLFramebufferObjectFormat format;
format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
dyt_check(nullptr != _traits);
renderFramebuffer_.reset(new QOpenGLFramebufferObject(_traits->width, _traits->height, format));
sharedFrameBuffer_.reset(new QOpenGLFramebufferObject(_traits->width, _traits->height, format));
isFrameBufferInitialized_ = true;
}