+++ /dev/null
-/*
-
- * Copyright 2004 Sandia Corporation.
-
- * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
-
- * license for use of this work by or on behalf of the
-
- * U.S. Government. Redistribution and use in source and binary forms, with
-
- * or without modification, are permitted provided that this Notice and any
-
- * statement of authorship are reproduced on all copies.
-
- */
-
-
-
-/*========================================================================
-
- For general information about using VTK and Qt, see:
-
- http://www.trolltech.com/products/3rdparty/vtksupport.html
-
-=========================================================================*/
-
-
-
-/*========================================================================
-
- !!! WARNING for those who want to contribute code to this file.
-
- !!! If you use a commercial edition of Qt, you can modify this code.
-
- !!! If you use an open source version of Qt, you are free to modify
-
- !!! and use this code within the guidelines of the GPL license.
-
- !!! Unfortunately, you cannot contribute the changes back into this
-
- !!! file. Doing so creates a conflict between the GPL and BSD-like VTK
-
- !!! license.
-
-=========================================================================*/
-
-
-
-#ifdef _MSC_VER
-
-// Disable warnings that Qt headers give.
-
-#pragma warning(disable:4127)
-
-#pragma warning(disable:4512)
-
-#endif
-
-
-
-#include "QVTKWidget.h"
-
-
-
-#include "qevent.h"
-
-#include "qapplication.h"
-
-#include "qpainter.h"
-
-#include "qsignalmapper.h"
-
-#include "qtimer.h"
-
-#if QT_VERSION >= 0x040000 && defined(Q_WS_X11)
-
-#include "qx11info_x11.h"
-
-#endif
-
-
-
-#include "vtkstd/map"
-
-#include "vtkInteractorStyleTrackballCamera.h"
-
-#include "vtkRenderWindow.h"
-
-#if defined(Q_WS_MAC)
-
-# include "vtkCarbonRenderWindow.h"
-
-#endif
-
-#include "vtkCommand.h"
-
-#include "vtkOStrStreamWrapper.h"
-
-#include "vtkObjectFactory.h"
-
-#include "vtkCallbackCommand.h"
-
-#include "vtkConfigure.h"
-
-#include "vtkToolkits.h"
-
-#include "vtkUnsignedCharArray.h"
-
-
-
-
-
-// function to get VTK keysyms from ascii characters
-
-static const char* ascii_to_key_sym(int);
-
-// function to get VTK keysyms from Qt keys
-
-static const char* qt_key_to_key_sym(Qt::Key);
-
-
-
-// function to dirty cache when a render occurs.
-
-static void dirty_cache(vtkObject *, unsigned long, void *, void *);
-
-
-
-
-
-
-
-#if QT_VERSION < 0x040000
-
-/*! constructor */
-
-QVTKWidget::QVTKWidget(QWidget* parent, const char* name, Qt::WFlags f)
-
-#if QT_VERSION < 0x030000
-
- :
- QWidget(parent, name, f | 0x10000000) // WWinOwnDC
-
-#else
-
- : QWidget(parent, name, f | Qt::WWinOwnDC )
-
-#endif
-
- , mRenWin(NULL),
-
- cachedImageCleanFlag(false),
-
- automaticImageCache(false), maxImageCacheRenderRate(1.0)
-
-{
-
- // no background
-
- this->setBackgroundMode( Qt::NoBackground );
-
-
-
- // default to strong focus
-
- this->setFocusPolicy(QWidget::StrongFocus);
-
-
-
- // default to enable mouse events when a mouse button isn't down
-
- // so we can send enter/leave events to VTK
-
- this->setMouseTracking(true);
-
-
-
- // set expanding to take up space for better default layouts
-
- this->setSizePolicy(
-
- QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding )
-
- );
-
-
-
- this->mCachedImage = vtkUnsignedCharArray::New();
-
-}
-
-#endif
-
-
-
-
-
-#if QT_VERSION >= 0x040000
-
-/*! constructor */
-
-QVTKWidget::QVTKWidget(QWidget* p, Qt::WFlags f)
-
- : QWidget(p, f | Qt::MSWindowsOwnDC), mRenWin(NULL),
-
- cachedImageCleanFlag(false),
-
- automaticImageCache(false), maxImageCacheRenderRate(1.0)
-
-
-
-{
-
- // no background
-
- this->setAttribute(Qt::WA_NoBackground);
-
- // no double buffering
-
- this->setAttribute(Qt::WA_PaintOnScreen);
-
-
-
- // default to strong focus
-
- this->setFocusPolicy(Qt::StrongFocus);
-
-
-
- // default to enable mouse events when a mouse button isn't down
-
- // so we can send enter/leave events to VTK
-
- this->setMouseTracking(true);
-
-
-
- // set expanding to take up space for better default layouts
-
- this->setSizePolicy(
-
- QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding )
-
- );
-
-
-
- this->mCachedImage = vtkUnsignedCharArray::New();
-
-
-
-#if defined(Q_WS_MAC)
-
- this->DirtyRegionHandler = 0;
-
- this->DirtyRegionHandlerUPP = 0;
-
-#endif
-
-
-
-}
-
-#endif
-
-
-
-
-
-/*! destructor */
-
-
-
-QVTKWidget::~QVTKWidget()
-
-{
-
- // get rid of the VTK window
-
- this->SetRenderWindow(NULL);
-
-
-
- this->mCachedImage->Delete();
-
-}
-
-
-
-/*! get the render window
-
- */
-
-vtkRenderWindow* QVTKWidget::GetRenderWindow()
-
-{
-
- if (!this->mRenWin)
-
- {
-
- // create a default vtk window
-
- vtkRenderWindow* win = vtkRenderWindow::New();
-
- this->SetRenderWindow(win);
-
- win->Delete();
-
- }
-
-
-
- return this->mRenWin;
-
-}
-
-
-
-
-
-
-
-/*! set the render window
-
- this will bind a VTK window with the Qt window
-
- it'll also replace an existing VTK window
-
-*/
-
-void QVTKWidget::SetRenderWindow(vtkRenderWindow* w)
-
-{
-
- // do nothing if we don't have to
-
- if (w == this->mRenWin)
-
- {
-
- return;
-
- }
-
-
-
- // unregister previous window
-
- if (this->mRenWin)
-
- {
-
- //clean up window as one could remap it
-
- if (this->mRenWin->GetMapped())
-
- {
-
- this->mRenWin->Finalize();
-
- }
-
- this->mRenWin->SetDisplayId(NULL);
-
- this->mRenWin->SetParentId(NULL);
-
- this->mRenWin->SetWindowId(NULL);
-
- this->mRenWin->UnRegister(NULL);
-
- }
-
-
-
- // now set the window
-
- this->mRenWin = w;
-
-
-
- if (this->mRenWin)
-
- {
-
- // register new window
-
- this->mRenWin->Register(NULL);
-
-
-
- // if it is mapped somewhere else, unmap it
-
- if (this->mRenWin->GetMapped())
-
- {
-
- this->mRenWin->Finalize();
-
- }
-
-
-
-#ifdef Q_WS_X11
-
- // give the qt display id to the vtk window
-
-#if QT_VERSION < 0x040000
-
- this->mRenWin->SetDisplayId( this->x11Display() );
-
-#else
-
- this->mRenWin->SetDisplayId(QX11Info::display());
-
-#endif
-
-#endif
-
-
-
- // special x11 setup
-
- x11_setup_window();
-
-
-
- // give the qt window id to the vtk window
-
- this->mRenWin->SetWindowId( reinterpret_cast<void*>(this->winId()));
-
-
-
- // mac compatibility issues
-
-#if defined(Q_WS_MAC) && (QT_VERSION < 0x040000)
-
- this->mRenWin->SetWindowId( NULL );
-
- static_cast<vtkCarbonRenderWindow*>(this->mRenWin)->SetRootWindow(
-
- reinterpret_cast<WindowPtr>(this->handle()));
-
-#endif
-
-
-
-
-
- // tell the vtk window what the size of this window is
-
- this->mRenWin->vtkRenderWindow::SetSize(this->width(), this->height());
-
- this->mRenWin->vtkRenderWindow::SetPosition(this->x(), this->y());
-
-
-
- // have VTK start this window and create the necessary graphics resources
-
- if (isVisible())
-
- {
-
- this->mRenWin->Start();
-
-#if defined (Q_WS_MAC) && (QT_VERSION < 0x040000)
-
- macFixRect();
-
-#endif
-
- }
-
-
-
- // if an interactor wasn't provided, we'll make one by default
-
- if (!this->mRenWin->GetInteractor())
-
- {
-
- // create a default interactor
-
- QVTKInteractor* iren = QVTKInteractor::New();
-
- this->mRenWin->SetInteractor(iren);
-
- iren->Initialize();
-
-
-
- // now set the default style
-
- vtkInteractorStyle* s = vtkInteractorStyleTrackballCamera::New();
-
- iren->SetInteractorStyle(s);
-
-
-
- iren->Delete();
-
- s->Delete();
-
- }
-
-
-
- // tell the interactor the size of this window
-
- this->mRenWin->GetInteractor()->SetSize(this->width(), this->height());
-
-
-
- // Add an observer to monitor when the image changes. Should work most
-
- // of the time. The application will have to call
-
- // markCachedImageAsDirty for any other case.
-
- vtkCallbackCommand *cbc = vtkCallbackCommand::New();
-
- cbc->SetClientData(this);
-
- cbc->SetCallback(dirty_cache);
-
- this->mRenWin->AddObserver(vtkCommand::EndEvent, cbc);
-
- cbc->Delete();
-
- }
-
-
-
-#if defined(Q_WS_MAC) && QT_VERSION >= 0x040000
-
- if (mRenWin && !this->DirtyRegionHandlerUPP)
-
- {
-
- this->DirtyRegionHandlerUPP = NewEventHandlerUPP(QVTKWidget::DirtyRegionProcessor);
-
- static EventTypeSpec events[] = { {'cute', 20} };
-
- // kEventClassQt, kEventQtRequestWindowChange from qt_mac_p.h
-
- // Suggested by Sam Magnuson at Trolltech as best portabile hack
-
- // around Apple's missing functionality in HI Toolbox.
-
- InstallEventHandler(GetApplicationEventTarget(), this->DirtyRegionHandlerUPP,
-
- GetEventTypeCount(events), events,
-
- reinterpret_cast<void*>(this), &this->DirtyRegionHandler);
-
- }
-
- else if (!mRenWin && this->DirtyRegionHandlerUPP)
-
- {
-
- RemoveEventHandler(this->DirtyRegionHandler);
-
- DisposeEventHandlerUPP(this->DirtyRegionHandlerUPP);
-
- this->DirtyRegionHandler = 0;
-
- this->DirtyRegionHandlerUPP = 0;
-
- }
-
-#endif
-
-}
-
-
-
-
-
-
-
-/*! get the Qt/VTK interactor
-
- */
-
-QVTKInteractor* QVTKWidget::GetInteractor()
-
-{
-
- return QVTKInteractor
-
- ::SafeDownCast(this->GetRenderWindow()->GetInteractor());
-
-}
-
-
-
-void QVTKWidget::markCachedImageAsDirty()
-
-{
-
- if (this->cachedImageCleanFlag)
-
- {
-
- this->cachedImageCleanFlag = false;
-
- emit cachedImageDirty();
-
- }
-
-}
-
-
-
-void QVTKWidget::saveImageToCache()
-
-{
-
- if (this->cachedImageCleanFlag)
-
- {
-
- return;
-
- }
-
-
-
- this->mRenWin->GetPixelData(0, 0, this->width()-1, this->height()-1, 1,
-
- this->mCachedImage);
-
- this->cachedImageCleanFlag = true;
-
- emit cachedImageClean();
-
-}
-
-
-
-void QVTKWidget::setAutomaticImageCacheEnabled(bool flag)
-
-{
-
- this->automaticImageCache = flag;
-
- if (!flag)
-
- {
-
- this->mCachedImage->Initialize();
-
- }
-
-}
-
-bool QVTKWidget::isAutomaticImageCacheEnabled() const
-
-{
-
- return this->automaticImageCache;
-
-}
-
-
-
-void QVTKWidget::setMaxRenderRateForImageCache(double rate)
-
-{
-
- this->maxImageCacheRenderRate = rate;
-
-}
-
-double QVTKWidget::maxRenderRateForImageCache() const
-
-{
-
- return this->maxImageCacheRenderRate;
-
-}
-
-
-
-vtkUnsignedCharArray* QVTKWidget::cachedImage()
-
-{
-
- // Make sure image is up to date.
-
- this->paintEvent(NULL);
-
- this->saveImageToCache();
-
-
-
- return this->mCachedImage;
-
-}
-
-
-
-/*! overloaded Qt's event handler to capture additional keys that Qt has
-
- default behavior for (for example the Tab and Shift-Tab key)
-
-*/
-
-bool QVTKWidget::event(QEvent* e)
-
-{
-
-#if QT_VERSION >= 0x040000
-
- if (e->type() == QEvent::ParentAboutToChange)
-
- {
-
- this->markCachedImageAsDirty();
-
- if (this->mRenWin)
-
- {
-
- // Finalize the window to remove graphics resources associated with
-
- // this window
-
- if (this->mRenWin->GetMapped())
-
- {
-
- this->mRenWin->Finalize();
-
- }
-
- }
-
- }
-
- else if (e->type() == QEvent::ParentChange)
-
- {
-
- if (this->mRenWin)
-
- {
-
- x11_setup_window();
-
- // connect to new window
-
- this->mRenWin->SetWindowId( reinterpret_cast<void*>(this->winId()));
-
-
-
- // start up the window to create graphics resources for this window
-
- if (isVisible())
-
- {
-
- this->mRenWin->Start();
-
- }
-
- }
-
- }
-
-#endif
-
-
-
- if (QObject::event(e))
-
- {
-
- return TRUE;
-
- }
-
-
-
- if (e->type() == QEvent::KeyPress)
-
- {
-
- QKeyEvent* ke = static_cast<QKeyEvent*>(e);
-
- this->keyPressEvent(ke);
-
- return ke->isAccepted();
-
- }
-
-
-
- return QWidget::event(e);
-
-}
-
-
-
-
-
-/*! handle resize event
-
- */
-
-void QVTKWidget::resizeEvent(QResizeEvent* e)
-
-{
-
- QWidget::resizeEvent(e);
-
-
-
- if (!this->mRenWin)
-
- {
-
- return;
-
- }
-
-
-
- // give the size to the interactor and vtk window
-
- this->mRenWin->vtkRenderWindow::SetSize(this->width(), this->height());
-
- if (this->mRenWin->GetInteractor())
-
- {
-
- this->mRenWin->GetInteractor()->SetSize(this->width(), this->height());
-
- }
-
- this->markCachedImageAsDirty();
-
-
-
-#if defined (Q_WS_MAC) && (QT_VERSION < 0x040000)
-
- macFixRect();
-
-#endif
-
-}
-
-
-
-void QVTKWidget::moveEvent(QMoveEvent* e)
-
-{
-
- QWidget::moveEvent(e);
-
-
-
- if (!this->mRenWin)
-
- {
-
- return;
-
- }
-
-
-
- // give the size to the interactor and vtk window
-
- this->mRenWin->vtkRenderWindow::SetPosition(this->x(), this->y());
-
-
-
-#if defined (Q_WS_MAC) && (QT_VERSION < 0x040000)
-
- macFixRect();
-
-#endif
-
-}
-
-
-
-/*! handle paint event
-
- */
-
-void QVTKWidget::paintEvent(QPaintEvent* )
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
-
-
- // if we have a saved image, use it
-
- if (this->cachedImageCleanFlag)
-
- {
-
- // put cached image into back buffer if we can
-
- this->mRenWin->SetPixelData(0, 0, this->width()-1, this->height()-1,
-
- this->mCachedImage,
-
- !this->mRenWin->GetDoubleBuffer());
-
- // swap buffers, if double buffering
-
- this->mRenWin->Frame();
-
- // or should we just put it on the front buffer?
-
- return;
-
- }
-
-
-
- iren->Render();
-
-
-
- // In Qt 4.1+ let's support redirected painting
-
-#if QT_VERSION >= 0x040100
-
- // if redirected, let's grab the image from VTK, and paint it to the device
-
- QPaintDevice* device = QPainter::redirected(this);
-
- if (device != NULL && device != this)
-
- {
-
- int w = this->width();
-
- int h = this->height();
-
- QImage img(w, h, QImage::Format_RGB32);
-
- vtkUnsignedCharArray* pixels = vtkUnsignedCharArray::New();
-
- pixels->SetArray(img.bits(), w*h*4, 1);
-
- this->mRenWin->GetRGBACharPixelData(0, 0, w-1, h-1, 1, pixels);
-
- pixels->Delete();
-
- img = img.rgbSwapped();
-
- img = img.mirrored();
-
-
-
- QPainter painter(this);
-
- painter.drawImage(QPointF(0.0,0.0), img);
-
- return;
-
- }
-
-#endif
-
-}
-
-
-
-/*! handle mouse press event
-
- */
-
-void QVTKWidget::mousePressEvent(QMouseEvent* e)
-
-{
-
-
-
- // Emit a mouse press event for anyone who might be interested
-
- emit mouseEvent(e);
-
-
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // give interactor the event information
-
-#if QT_VERSION < 0x040000
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->state() & Qt::ControlButton) > 0 ? 1 : 0,
-
- (e->state() & Qt::ShiftButton ) > 0 ? 1 : 0, 0,
-
- e->type() == QEvent::MouseButtonDblClick ? 1 : 0);
-
-#else
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->modifiers() & Qt::ControlModifier) > 0 ? 1 : 0,
-
- (e->modifiers() & Qt::ShiftModifier ) > 0 ? 1 : 0,
-
- 0,
-
- e->type() == QEvent::MouseButtonDblClick ? 1 : 0);
-
-#endif
-
-
-
- // invoke appropriate vtk event
-
- switch (e->button())
-
- {
-
- case Qt::LeftButton:
-
- iren->InvokeEvent(vtkCommand::LeftButtonPressEvent, e);
-
- break;
-
-
-
- case Qt::MidButton:
-
- iren->InvokeEvent(vtkCommand::MiddleButtonPressEvent, e);
-
- break;
-
-
-
- case Qt::RightButton:
-
- iren->InvokeEvent(vtkCommand::RightButtonPressEvent, e);
-
- break;
-
-
-
- default:
-
- break;
-
- }
-
-}
-
-
-
-/*! handle mouse move event
-
- */
-
-void QVTKWidget::mouseMoveEvent(QMouseEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // give interactor the event information
-
-#if QT_VERSION < 0x040000
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->state() & Qt::ControlButton) > 0 ? 1 : 0,
-
- (e->state() & Qt::ShiftButton ) > 0 ? 1 : 0);
-
-#else
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->modifiers() & Qt::ControlModifier) > 0 ? 1 : 0,
-
- (e->modifiers() & Qt::ShiftModifier ) > 0 ? 1 : 0);
-
-#endif
-
-
-
- // invoke vtk event
-
- iren->InvokeEvent(vtkCommand::MouseMoveEvent, e);
-
-}
-
-
-
-
-
-/*! handle enter event
-
- */
-
-void QVTKWidget::enterEvent(QEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
- this->setFocus();
-
- iren->InvokeEvent(vtkCommand::EnterEvent, e);
-
-}
-
-
-
-/*! handle leave event
-
- */
-
-void QVTKWidget::leaveEvent(QEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- iren->InvokeEvent(vtkCommand::LeaveEvent, e);
-
-}
-
-
-
-/*! handle mouse release event
-
- */
-
-void QVTKWidget::mouseReleaseEvent(QMouseEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // give vtk event information
-
-#if QT_VERSION < 0x040000
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->state() & Qt::ControlButton) > 0 ? 1 : 0,
-
- (e->state() & Qt::ShiftButton ) > 0 ? 1 : 0);
-
-#else
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->modifiers() & Qt::ControlModifier) > 0 ? 1 : 0,
-
- (e->modifiers() & Qt::ShiftModifier ) > 0 ? 1 : 0);
-
-#endif
-
-
-
- // invoke appropriate vtk event
-
- switch (e->button())
-
- {
-
- case Qt::LeftButton:
-
- iren->InvokeEvent(vtkCommand::LeftButtonReleaseEvent, e);
-
- break;
-
-
-
- case Qt::MidButton:
-
- iren->InvokeEvent(vtkCommand::MiddleButtonReleaseEvent, e);
-
- break;
-
-
-
- case Qt::RightButton:
-
- iren->InvokeEvent(vtkCommand::RightButtonReleaseEvent, e);
-
- break;
-
-
-
- default:
-
- break;
-
- }
-
-}
-
-
-
-/*! handle key press event
-
- */
-
-void QVTKWidget::keyPressEvent(QKeyEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // get key and keysym information
-
-#if QT_VERSION < 0x040000
-
- int ascii_key = e->text().length() ? e->text().unicode()->latin1() : 0;
-
-#else
-
- int ascii_key = e->text().length() ? e->text().unicode()->toLatin1() : 0;
-
-#endif
-
- const char* keysym = ascii_to_key_sym(ascii_key);
-
- if (!keysym)
-
- {
-
- // get virtual keys
-
- keysym = qt_key_to_key_sym(static_cast<Qt::Key>(e->key()));
-
- }
-
-
-
- if (!keysym)
-
- {
-
- keysym = "None";
-
- }
-
-
-
- // give interactor event information
-
-#if QT_VERSION < 0x040000
-
- iren->SetKeyEventInformation(
-
- (e->state() & Qt::ControlButton),
-
- (e->state() & Qt::ShiftButton),
-
- ascii_key, e->count(), keysym);
-
-#else
-
- iren->SetKeyEventInformation(
-
- (e->modifiers() & Qt::ControlModifier),
-
- (e->modifiers() & Qt::ShiftModifier),
-
- ascii_key, e->count(), keysym);
-
-#endif
-
-
-
- // invoke vtk event
-
- iren->InvokeEvent(vtkCommand::KeyPressEvent, e);
-
-
-
- // invoke char event only for ascii characters
-
- if (ascii_key)
-
- {
-
- iren->InvokeEvent(vtkCommand::CharEvent, e);
-
- }
-
-}
-
-
-
-/*! handle key release event
-
- */
-
-void QVTKWidget::keyReleaseEvent(QKeyEvent* e)
-
-{
-
-
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // get key and keysym info
-
-#if QT_VERSION < 0x040000
-
- int ascii_key = e->text().length() ? e->text().unicode()->latin1() : 0;
-
-#else
-
- int ascii_key = e->text().length() ? e->text().unicode()->toLatin1() : 0;
-
-#endif
-
- const char* keysym = ascii_to_key_sym(ascii_key);
-
- if (!keysym)
-
- {
-
- // get virtual keys
-
- keysym = qt_key_to_key_sym((Qt::Key)e->key());
-
- }
-
-
-
- if (!keysym)
-
- {
-
- keysym = "None";
-
- }
-
-
-
- // give event information to interactor
-
-#if QT_VERSION < 0x040000
-
- iren->SetKeyEventInformation(
-
- (e->state() & Qt::ControlButton),
-
- (e->state() & Qt::ShiftButton),
-
- ascii_key, e->count(), keysym);
-
-#else
-
- iren->SetKeyEventInformation(
-
- (e->modifiers() & Qt::ControlModifier),
-
- (e->modifiers() & Qt::ShiftModifier),
-
- ascii_key, e->count(), keysym);
-
-#endif
-
-
-
- // invoke vtk event
-
- iren->InvokeEvent(vtkCommand::KeyReleaseEvent, e);
-
-}
-
-
-
-#ifndef QT_NO_WHEELEVENT
-
-void QVTKWidget::wheelEvent(QWheelEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
-// VTK supports wheel mouse events only in version 4.5 or greater
-
- // give event information to interactor
-
-#if QT_VERSION < 0x040000
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->state() & Qt::ControlButton) > 0 ? 1 : 0,
-
- (e->state() & Qt::ShiftButton ) > 0 ? 1 : 0);
-
-#else
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->modifiers() & Qt::ControlModifier) > 0 ? 1 : 0,
-
- (e->modifiers() & Qt::ShiftModifier ) > 0 ? 1 : 0);
-
-#endif
-
-
-
- // invoke vtk event
-
- // if delta is positive, it is a forward wheel event
-
- if (e->delta() > 0)
-
- {
-
- iren->InvokeEvent(vtkCommand::MouseWheelForwardEvent, e);
-
- }
-
- else
-
- {
-
- iren->InvokeEvent(vtkCommand::MouseWheelBackwardEvent, e);
-
- }
-
-}
-
-#endif
-
-
-
-void QVTKWidget::focusInEvent(QFocusEvent*)
-
-{
-
- // These prevent updates when the window
-
- // gains or loses focus. By default, Qt
-
- // does an update because the color group's
-
- // active status changes. We don't even use
-
- // color groups so we do nothing here.
-
-}
-
-
-
-void QVTKWidget::focusOutEvent(QFocusEvent*)
-
-{
-
- // These prevent updates when the window
-
- // gains or loses focus. By default, Qt
-
- // does an update because the color group's
-
- // active status changes. We don't even use
-
- // color groups so we do nothing here.
-
-}
-
-
-
-
-
-void QVTKWidget::contextMenuEvent(QContextMenuEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // give interactor the event information
-
-#if QT_VERSION < 0x040000
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->state() & Qt::ControlButton) > 0 ? 1 : 0,
-
- (e->state() & Qt::ShiftButton ) > 0 ? 1 : 0);
-
-#else
-
- iren->SetEventInformationFlipY(e->x(), e->y(),
-
- (e->modifiers() & Qt::ControlModifier) > 0 ? 1 : 0,
-
- (e->modifiers() & Qt::ShiftModifier ) > 0 ? 1 : 0);
-
-#endif
-
-
-
- // invoke event and pass qt event for additional data as well
-
- iren->InvokeEvent(QVTKWidget::ContextMenuEvent, e);
-
-
-
-}
-
-
-
-void QVTKWidget::dragEnterEvent(QDragEnterEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // invoke event and pass qt event for additional data as well
-
- iren->InvokeEvent(QVTKWidget::DragEnterEvent, e);
-
-}
-
-
-
-void QVTKWidget::dragMoveEvent(QDragMoveEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // give interactor the event information
-
- iren->SetEventInformationFlipY(e->pos().x(), e->pos().y());
-
-
-
- // invoke event and pass qt event for additional data as well
-
- iren->InvokeEvent(QVTKWidget::DragMoveEvent, e);
-
-}
-
-
-
-void QVTKWidget::dragLeaveEvent(QDragLeaveEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // invoke event and pass qt event for additional data as well
-
- iren->InvokeEvent(QVTKWidget::DragLeaveEvent, e);
-
-}
-
-
-
-void QVTKWidget::dropEvent(QDropEvent* e)
-
-{
-
- vtkRenderWindowInteractor* iren = NULL;
-
- if (this->mRenWin)
-
- {
-
- iren = this->mRenWin->GetInteractor();
-
- }
-
-
-
- if (!iren || !iren->GetEnabled())
-
- {
-
- return;
-
- }
-
-
-
- // give interactor the event information
-
- iren->SetEventInformationFlipY(e->pos().x(), e->pos().y());
-
-
-
- // invoke event and pass qt event for additional data as well
-
- iren->InvokeEvent(QVTKWidget::DropEvent, e);
-
-}
-
-
-
-
-
-/*! handle reparenting of widgets
-
- */
-
-#if QT_VERSION < 0x040000
-
-void QVTKWidget::reparent(QWidget* parent, Qt::WFlags f, const QPoint& p, bool showit)
-
-{
-
- this->markCachedImageAsDirty();
-
-
-
- if (this->mRenWin)
-
- {
-
- // Finalize the window to remove graphics resources associated with
-
- // this window
-
- if (this->mRenWin->GetMapped())
-
- {
-
- this->mRenWin->Finalize();
-
- }
-
-
-
- // have QWidget reparent as normal, but don't show
-
- QWidget::reparent(parent, f, p, false);
-
-
-
- x11_setup_window();
-
-
-
- // connect to new window
-
-#if defined(Q_WS_MAC)
-
- static_cast<vtkCarbonRenderWindow*>(this->mRenWin)->SetRootWindow(
-
- reinterpret_cast<WindowPtr>(this->handle()));
-
-
-
-#else
-
- this->mRenWin->SetWindowId( reinterpret_cast<void*>(this->winId()));
-
-#endif
-
-
-
- // start up the window to create graphics resources for this window
-
- if (isVisible())
-
- {
-
- this->mRenWin->Start();
-
- }
-
- }
-
-
-
- // show if requested
-
- if (showit)
-
- {
-
- show();
-
- }
-
-}
-
-#endif
-
-
-
-void QVTKWidget::showEvent(QShowEvent* e)
-
-{
-
- this->markCachedImageAsDirty();
-
-
-
- QWidget::showEvent(e);
-
-}
-
-
-
-QPaintEngine* QVTKWidget::paintEngine() const
-
-{
-
- return NULL;
-
-}
-
-
-
-class QVTKInteractorInternal : public QObject
-
-{
-
-public:
-
- QVTKInteractorInternal(QObject* p)
-
- : QObject(p)
-
- {
-
- this->SignalMapper = new QSignalMapper(this);
-
- }
-
- ~QVTKInteractorInternal()
-
- {
-
- }
-
- QSignalMapper* SignalMapper;
-
- typedef vtkstd::map<int, QTimer*> TimerMap;
-
- TimerMap Timers;
-
-};
-
-
-
-
-
-/*! allocation method for Qt/VTK interactor
-
- */
-
-vtkStandardNewMacro(QVTKInteractor);
-
-
-
-/*! constructor for Qt/VTK interactor
-
- */
-
-QVTKInteractor::QVTKInteractor()
-
-{
-
- this->Internal = new QVTKInteractorInternal(this);
-
- QObject::connect(this->Internal->SignalMapper, SIGNAL(mapped(int)), this, SLOT(TimerEvent(int)) );
-
-}
-
-
-
-/*! start method for interactor
-
- */
-
-void QVTKInteractor::Start()
-
-{
-
- vtkErrorMacro(<<"QVTKInteractor cannot control the event loop.");
-
-}
-
-
-
-/*! terminate the application
-
- */
-
-void QVTKInteractor::TerminateApp()
-
-{
-
- // we are in a GUI so let's terminate the GUI the normal way
-
- //qApp->exit();
-
-}
-
-
-
-
-
-/*! handle timer event
-
- */
-
-void QVTKInteractor::TimerEvent(int timerId)
-
-{
-
- if ( !this->GetEnabled() )
-
- {
-
- return;
-
- }
-
- this->InvokeEvent(vtkCommand::TimerEvent, (void*)&timerId);
-
-
-
- if (this->IsOneShotTimer(timerId))
-
- {
-
- this->DestroyTimer(timerId); // 'cause our Qt timers are always repeating
-
- }
-
-}
-
-
-
-/*! constructor
-
- */
-
-QVTKInteractor::~QVTKInteractor()
-
-{
-
-}
-
-
-
-/*! create Qt timer with an interval of 10 msec.
-
- */
-
-int QVTKInteractor::InternalCreateTimer(int timerId, int vtkNotUsed(timerType), unsigned long duration)
-
-{
-
- QTimer* timer = new QTimer(this);
-
- timer->start(duration);
-
- this->Internal->SignalMapper->setMapping(timer, timerId);
-
- QObject::connect(timer, SIGNAL(timeout()), this->Internal->SignalMapper, SLOT(map()));
-
- int platformTimerId = timer->timerId();
-
- this->Internal->Timers.insert(QVTKInteractorInternal::TimerMap::value_type(platformTimerId, timer));
-
- return platformTimerId;
-
-}
-
-
-
-/*! destroy timer
-
- */
-
-int QVTKInteractor::InternalDestroyTimer(int platformTimerId)
-
-{
-
- QVTKInteractorInternal::TimerMap::iterator iter = this->Internal->Timers.find(platformTimerId);
-
- if (iter != this->Internal->Timers.end())
-
- {
-
- iter->second->stop();
-
- delete iter->second;
-
- this->Internal->Timers.erase(iter);
-
- return 1;
-
- }
-
- return 0;
-
-}
-
-
-
-
-
-// ***** keysym stuff below *****
-
-
-
-static const char *AsciiToKeySymTable[] = {
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, "Tab", 0, 0, 0, 0, 0, 0,
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-
- "space", "exclam", "quotedbl", "numbersign",
-
- "dollar", "percent", "ampersand", "quoteright",
-
- "parenleft", "parenright", "asterisk", "plus",
-
- "comma", "minus", "period", "slash",
-
- "0", "1", "2", "3", "4", "5", "6", "7",
-
- "8", "9", "colon", "semicolon", "less", "equal", "greater", "question",
-
- "at", "A", "B", "C", "D", "E", "F", "G",
-
- "H", "I", "J", "K", "L", "M", "N", "O",
-
- "P", "Q", "R", "S", "T", "U", "V", "W",
-
- "X", "Y", "Z", "bracketleft",
-
- "backslash", "bracketright", "asciicircum", "underscore",
-
- "quoteleft", "a", "b", "c", "d", "e", "f", "g",
-
- "h", "i", "j", "k", "l", "m", "n", "o",
-
- "p", "q", "r", "s", "t", "u", "v", "w",
-
- "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "Delete",
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-
-
-const char* ascii_to_key_sym(int i)
-
-{
-
- if (i >= 0)
-
- {
-
- return AsciiToKeySymTable[i];
-
- }
-
- return 0;
-
-}
-
-
-
-#define QVTK_HANDLE(x,y) \
- case x : \
- ret = y; \
- break;
-
-
-
-const char* qt_key_to_key_sym(Qt::Key i)
-
-{
-
- const char* ret = 0;
-
- switch (i)
-
- {
-
- // Cancel
-
- QVTK_HANDLE(Qt::Key_Backspace, "BackSpace")
-
- QVTK_HANDLE(Qt::Key_Tab, "Tab")
-
-#if QT_VERSION < 0x040000
-
- QVTK_HANDLE(Qt::Key_BackTab, "Tab")
-
-#else
-
- QVTK_HANDLE(Qt::Key_Backtab, "Tab")
-
-#endif
-
- //QVTK_HANDLE(Qt::Key_Clear, "Clear")
-
- QVTK_HANDLE(Qt::Key_Return, "Return")
-
- QVTK_HANDLE(Qt::Key_Enter, "Return")
-
- QVTK_HANDLE(Qt::Key_Shift, "Shift_L")
-
- QVTK_HANDLE(Qt::Key_Control, "Control_L")
-
- QVTK_HANDLE(Qt::Key_Alt, "Alt_L")
-
- QVTK_HANDLE(Qt::Key_Pause, "Pause")
-
- QVTK_HANDLE(Qt::Key_CapsLock, "Caps_Lock")
-
- QVTK_HANDLE(Qt::Key_Escape, "Escape")
-
- QVTK_HANDLE(Qt::Key_Space, "space")
-
- //QVTK_HANDLE(Qt::Key_Prior, "Prior")
-
- //QVTK_HANDLE(Qt::Key_Next, "Next")
-
- QVTK_HANDLE(Qt::Key_End, "End")
-
- QVTK_HANDLE(Qt::Key_Home, "Home")
-
- QVTK_HANDLE(Qt::Key_Left, "Left")
-
- QVTK_HANDLE(Qt::Key_Up, "Up")
-
- QVTK_HANDLE(Qt::Key_Right, "Right")
-
- QVTK_HANDLE(Qt::Key_Down, "Down")
-
-
-
- // Select
-
- // Execute
-
- QVTK_HANDLE(Qt::Key_SysReq, "Snapshot")
-
- QVTK_HANDLE(Qt::Key_Insert, "Insert")
-
- QVTK_HANDLE(Qt::Key_Delete, "Delete")
-
- QVTK_HANDLE(Qt::Key_Help, "Help")
-
- QVTK_HANDLE(Qt::Key_0, "0")
-
- QVTK_HANDLE(Qt::Key_1, "1")
-
- QVTK_HANDLE(Qt::Key_2, "2")
-
- QVTK_HANDLE(Qt::Key_3, "3")
-
- QVTK_HANDLE(Qt::Key_4, "4")
-
- QVTK_HANDLE(Qt::Key_5, "5")
-
- QVTK_HANDLE(Qt::Key_6, "6")
-
- QVTK_HANDLE(Qt::Key_7, "7")
-
- QVTK_HANDLE(Qt::Key_8, "8")
-
- QVTK_HANDLE(Qt::Key_9, "9")
-
- QVTK_HANDLE(Qt::Key_A, "a")
-
- QVTK_HANDLE(Qt::Key_B, "b")
-
- QVTK_HANDLE(Qt::Key_C, "c")
-
- QVTK_HANDLE(Qt::Key_D, "d")
-
- QVTK_HANDLE(Qt::Key_E, "e")
-
- QVTK_HANDLE(Qt::Key_F, "f")
-
- QVTK_HANDLE(Qt::Key_G, "g")
-
- QVTK_HANDLE(Qt::Key_H, "h")
-
- QVTK_HANDLE(Qt::Key_I, "i")
-
- QVTK_HANDLE(Qt::Key_J, "h")
-
- QVTK_HANDLE(Qt::Key_K, "k")
-
- QVTK_HANDLE(Qt::Key_L, "l")
-
- QVTK_HANDLE(Qt::Key_M, "m")
-
- QVTK_HANDLE(Qt::Key_N, "n")
-
- QVTK_HANDLE(Qt::Key_O, "o")
-
- QVTK_HANDLE(Qt::Key_P, "p")
-
- QVTK_HANDLE(Qt::Key_Q, "q")
-
- QVTK_HANDLE(Qt::Key_R, "r")
-
- QVTK_HANDLE(Qt::Key_S, "s")
-
- QVTK_HANDLE(Qt::Key_T, "t")
-
- QVTK_HANDLE(Qt::Key_U, "u")
-
- QVTK_HANDLE(Qt::Key_V, "v")
-
- QVTK_HANDLE(Qt::Key_W, "w")
-
- QVTK_HANDLE(Qt::Key_X, "x")
-
- QVTK_HANDLE(Qt::Key_Y, "y")
-
- QVTK_HANDLE(Qt::Key_Z, "z")
-
- // KP_0 - KP_9
-
- QVTK_HANDLE(Qt::Key_Asterisk, "asterisk")
-
- QVTK_HANDLE(Qt::Key_Plus, "plus")
-
- // bar
-
- QVTK_HANDLE(Qt::Key_Minus, "minus")
-
- QVTK_HANDLE(Qt::Key_Period, "period")
-
- QVTK_HANDLE(Qt::Key_Slash, "slash")
-
- QVTK_HANDLE(Qt::Key_F1, "F1")
-
- QVTK_HANDLE(Qt::Key_F2, "F2")
-
- QVTK_HANDLE(Qt::Key_F3, "F3")
-
- QVTK_HANDLE(Qt::Key_F4, "F4")
-
- QVTK_HANDLE(Qt::Key_F5, "F5")
-
- QVTK_HANDLE(Qt::Key_F6, "F6")
-
- QVTK_HANDLE(Qt::Key_F7, "F7")
-
- QVTK_HANDLE(Qt::Key_F8, "F8")
-
- QVTK_HANDLE(Qt::Key_F9, "F9")
-
- QVTK_HANDLE(Qt::Key_F10, "F10")
-
- QVTK_HANDLE(Qt::Key_F11, "F11")
-
- QVTK_HANDLE(Qt::Key_F12, "F12")
-
- QVTK_HANDLE(Qt::Key_F13, "F13")
-
- QVTK_HANDLE(Qt::Key_F14, "F14")
-
- QVTK_HANDLE(Qt::Key_F15, "F15")
-
- QVTK_HANDLE(Qt::Key_F16, "F16")
-
- QVTK_HANDLE(Qt::Key_F17, "F17")
-
- QVTK_HANDLE(Qt::Key_F18, "F18")
-
- QVTK_HANDLE(Qt::Key_F19, "F19")
-
- QVTK_HANDLE(Qt::Key_F20, "F20")
-
- QVTK_HANDLE(Qt::Key_F21, "F21")
-
- QVTK_HANDLE(Qt::Key_F22, "F22")
-
- QVTK_HANDLE(Qt::Key_F23, "F23")
-
- QVTK_HANDLE(Qt::Key_F24, "F24")
-
- QVTK_HANDLE(Qt::Key_NumLock, "Num_Lock")
-
- QVTK_HANDLE(Qt::Key_ScrollLock, "Scroll_Lock")
-
-
-
- default:
-
- break;
-
- }
-
- return ret;
-
-}
-
-
-
-
-
-
-
-
-
-// X11 stuff near the bottom of the file
-
-// to prevent namespace collisions with Qt headers
-
-
-
-#if defined Q_WS_X11
-
-#if defined(VTK_USE_OPENGL_LIBRARY)
-
-#include "vtkXOpenGLRenderWindow.h"
-
-#endif
-
-#ifdef VTK_USE_MANGLED_MESA
-
-#include "vtkXMesaRenderWindow.h"
-
-#endif
-
-#endif
-
-
-
-
-
-void QVTKWidget::x11_setup_window()
-
-{
-
-#if defined Q_WS_X11
-
-
-
- // this whole function is to allow this window to have a
-
- // different colormap and visual than the rest of the Qt application
-
- // this is very important if Qt's default visual and colormap is
-
- // not enough to get a decent graphics window
-
-
-
-
-
- // save widget states
-
- bool tracking = this->hasMouseTracking();
-
-#if QT_VERSION < 0x040000
-
- FocusPolicy focus_policy = focusPolicy();
-
-#else
-
- Qt::FocusPolicy focus_policy = focusPolicy();
-
-#endif
-
- bool visible = isVisible();
-
- if (visible)
-
- {
-
- hide();
-
- }
-
-
-
-
-
- // get visual and colormap from VTK
-
- XVisualInfo* vi = 0;
-
- Colormap cmap = 0;
-
- Display* display = reinterpret_cast<Display*>(mRenWin->GetGenericDisplayId());
-
-
-
- // check ogl and mesa and get information we need to create a decent window
-
-#if defined(VTK_USE_OPENGL_LIBRARY)
-
- vtkXOpenGLRenderWindow* ogl_win = vtkXOpenGLRenderWindow::SafeDownCast(mRenWin);
-
- if (ogl_win)
-
- {
-
- vi = ogl_win->GetDesiredVisualInfo();
-
- cmap = ogl_win->GetDesiredColormap();
-
- }
-
-#endif
-
-#ifdef VTK_USE_MANGLED_MESA
-
- if (!vi)
-
- {
-
- vtkXMesaRenderWindow* mgl_win = vtkXMesaRenderWindow::SafeDownCast(mRenWin);
-
- if (mgl_win)
-
- {
-
- vi = mgl_win->GetDesiredVisualInfo();
-
- cmap = mgl_win->GetDesiredColormap();
-
- }
-
- }
-
-#endif
-
-
-
- // can't get visual, oh well.
-
- // continue with Qt's default visual as it usually works
-
- if (!vi)
-
- {
-
- if (visible)
-
- {
-
- show();
-
- }
-
- return;
-
- }
-
-
-
- // create the X window based on information VTK gave us
-
- XSetWindowAttributes attrib;
-
- attrib.colormap = cmap;
-
- attrib.border_pixel = BlackPixel(display, DefaultScreen(display));
-
-
-
- Window p = RootWindow(display, DefaultScreen(display));
-
- if (parentWidget())
-
- {
-
- p = parentWidget()->winId();
-
- }
-
-
-
- XWindowAttributes a;
-
- XGetWindowAttributes(display, this->winId(), &a);
-
-
-
- Window win = XCreateWindow(display, p, a.x, a.y, a.width, a.height,
-
- 0, vi->depth, InputOutput, vi->visual,
-
- CWBorderPixel|CWColormap, &attrib);
-
-
-
- // backup colormap stuff
-
- Window *cmw;
-
- Window *cmwret;
-
- int count;
-
- if ( XGetWMColormapWindows(display, topLevelWidget()->winId(), &cmwret, &count) )
-
- {
-
- cmw = new Window[count+1];
-
- memcpy( (char *)cmw, (char *)cmwret, sizeof(Window)*count );
-
- XFree( (char *)cmwret );
-
- int i;
-
- for ( i=0; i<count; i++ )
-
- {
-
- if ( cmw[i] == winId() )
-
- {
-
- cmw[i] = win;
-
- break;
-
- }
-
- }
-
- if ( i >= count )
-
- {
-
- cmw[count++] = win;
-
- }
-
- }
-
- else
-
- {
-
- count = 1;
-
- cmw = new Window[count];
-
- cmw[0] = win;
-
- }
-
-
-
-
-
- // tell Qt to initialize anything it needs to for this window
-
- create(win);
-
-
-
- // restore colormaps
-
- XSetWMColormapWindows( display, topLevelWidget()->winId(), cmw, count );
-
-
-
- delete [] cmw;
-
-
-
- XFlush(display);
-
-
-
- // restore widget states
-
- this->setMouseTracking(tracking);
-
-#if QT_VERSION < 0x040000
-
- this->setBackgroundMode( Qt::NoBackground );
-
-#else
-
- this->setAttribute(Qt::WA_NoBackground);
-
- this->setAttribute(Qt::WA_PaintOnScreen);
-
-#endif
-
- this->setFocusPolicy(focus_policy);
-
- if (visible)
-
- {
-
- show();
-
- }
-
-
-
-#endif
-
-}
-
-
-
-#if defined (Q_WS_MAC) && QT_VERSION >= 0x040000
-
-OSStatus QVTKWidget::DirtyRegionProcessor(EventHandlerCallRef, EventRef event, void* wid)
-
-{
-
- QVTKWidget* widget = reinterpret_cast<QVTKWidget*>(wid);
-
- UInt32 event_kind = GetEventKind(event);
-
- UInt32 event_class = GetEventClass(event);
-
- if (event_class == 'cute' && event_kind == 20)
-
- {
-
- static_cast<vtkCarbonRenderWindow*>(widget->GetRenderWindow())->UpdateGLRegion();
-
- }
-
- return eventNotHandledErr;
-
-}
-
-
-
-#endif
-
-
-
-#if defined (Q_WS_MAC) && QT_VERSION < 0x040000
-
-
-
-// gotta do some special stuff on the MAC to make it work right
-
-// this stuff will need changing when using Qt4 with HIViews
-
-
-
-#include <AGL/agl.h>
-
-
-
-void QVTKWidget::macFixRect()
-
-{
-
- AGLContext context = static_cast<vtkCarbonRenderWindow*>(this->GetRenderWindow())->GetContextId();
-
-
-
- if (!this->isTopLevel())
-
- {
-
- GLint bufRect[4];
-
-
-
- // always do AGL_BUFFER_RECT if we have a parent
-
- if (!aglIsEnabled(context, AGL_BUFFER_RECT))
-
- aglEnable(context, AGL_BUFFER_RECT);
-
-
-
- // get the clip region
-
- QRegion clip = this->clippedRegion();
-
- QRect clip_rect = clip.boundingRect();
-
-
-
- // get the position of this widget with respect to the top level widget
-
- QPoint mp(posInWindow(this));
-
- int win_height = this->topLevelWidget()->height();
-
- win_height -= win_height - this->topLevelWidget()->clippedRegion(FALSE).boundingRect().height();
-
-
-
- // give the position and size to agl
-
- bufRect[0] = mp.x();
-
- bufRect[1] = win_height -(mp.y() + this->height());
-
- bufRect[2] = this->width();
-
- bufRect[3] = this->height();
-
- aglSetInteger(context, AGL_BUFFER_RECT, bufRect);
-
-
-
- if (clip_rect.isEmpty())
-
- {
-
- // no clipping, disable it
-
- if (!aglIsEnabled(context, AGL_CLIP_REGION))
-
- aglDisable(context, AGL_CLIP_REGION);
-
-
-
- bufRect[0] = 0;
-
- bufRect[1] = 0;
-
- bufRect[2] = 0;
-
- bufRect[3] = 0;
-
- aglSetInteger(context, AGL_BUFFER_RECT, bufRect);
-
- }
-
- else
-
- {
-
- // we are clipping, so lets enable it
-
- if (!aglIsEnabled(context, AGL_CLIP_REGION))
-
- aglEnable(context, AGL_CLIP_REGION);
-
-
-
- // give agl the clip region
-
- aglSetInteger(context, AGL_CLIP_REGION, (const GLint*)clip.handle(TRUE));
-
- }
-
- }
-
-
-
- // update the context
-
- aglUpdateContext(context);
-
-}
-
-
-
-void QVTKWidget::setRegionDirty(bool b)
-
-{
-
- // the region is dirty and needs redrawn, but not yet
-
- // signal that it needs to be done when it is possible
-
- QWidget::setRegionDirty(b);
-
- QTimer::singleShot(1, this, SLOT(internalMacFixRect()));
-
-
-
-}
-
-
-
-void QVTKWidget::macWidgetChangedWindow()
-
-{
-
- macFixRect();
-
-}
-
-#endif
-
-
-
-// slot to update the draw region and draw the scene
-
-void QVTKWidget::internalMacFixRect()
-
-{
-
-#if defined(Q_WS_MAC) && QT_VERSION < 0x040000
-
- this->macFixRect();
-
- this->update();
-
-#endif
-
-}
-
-
-
-static void dirty_cache(vtkObject *caller, unsigned long,
-
- void *clientdata, void *)
-
-{
-
- QVTKWidget *widget = reinterpret_cast<QVTKWidget *>(clientdata);
-
- widget->markCachedImageAsDirty();
-
-
-
- vtkRenderWindow *renwin = vtkRenderWindow::SafeDownCast(caller);
-
- if (renwin)
-
- {
-
- if ( widget->isAutomaticImageCacheEnabled()
-
- && ( renwin->GetDesiredUpdateRate()
-
- < widget->maxRenderRateForImageCache() ) )
-
- {
-
- widget->saveImageToCache();
-
- }
-
- }
-
-}
-
-
-
+++ /dev/null
-/*=========================================================================\r
-\r
- Copyright 2004 Sandia Corporation.\r
- Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive\r
- license for use of this work by or on behalf of the\r
- U.S. Government. Redistribution and use in source and binary forms, with\r
- or without modification, are permitted provided that this Notice and any\r
- statement of authorship are reproduced on all copies.\r
-\r
-=========================================================================*/\r
-\r
-/*========================================================================\r
- For general information about using VTK and Qt, see:\r
- http://www.trolltech.com/products/3rdparty/vtksupport.html\r
-=========================================================================*/\r
-\r
-/*========================================================================\r
- !!! WARNING for those who want to contribute code to this file.\r
- !!! If you use a commercial edition of Qt, you can modify this code.\r
- !!! If you use an open source version of Qt, you are free to modify\r
- !!! and use this code within the guidelines of the GPL license.\r
- !!! Unfortunately, you cannot contribute the changes back into this\r
- !!! file. Doing so creates a conflict between the GPL and BSD-like VTK\r
- !!! license.\r
-=========================================================================*/\r
-\r
-// .NAME QVTKWidget - Display a vtkRenderWindow in a Qt's QWidget.\r
-// .SECTION Description\r
-// QVTKWidget provides a way to display VTK data in a Qt widget.\r
-\r
-#ifndef Q_VTK_WIDGET_H\r
-#define Q_VTK_WIDGET_H\r
-\r
-#include <qwidget.h>\r
-class QPaintEngine;\r
-\r
-class vtkRenderWindow;\r
-class QVTKInteractor;\r
-#include <vtkRenderWindowInteractor.h>\r
-#include <vtkCommand.h>\r
-#include <vtkConfigure.h>\r
-class vtkUnsignedCharArray;\r
-\r
-#if defined(Q_WS_MAC) && QT_VERSION >= 0x040000\r
-#include <Carbon/Carbon.h> // Event handling for dirty region\r
-#endif\r
-\r
-#if defined(WIN32) && defined(VTK_BUILD_SHARED_LIBS)\r
-# if defined(QVTK_EXPORTS) || defined(QVTKWidgetPlugin_EXPORTS)\r
-# define QVTK_EXPORT __declspec( dllexport )\r
-# else\r
-# define QVTK_EXPORT __declspec( dllimport )\r
-# endif\r
-#endif\r
-\r
-#ifndef QVTK_EXPORT\r
-# define QVTK_EXPORT\r
-#endif\r
-\r
-//! QVTKWidget displays a VTK window in a Qt window.\r
-class QVTKWidget : public QWidget\r
-{\r
- Q_OBJECT\r
-\r
- Q_PROPERTY(bool automaticImageCacheEnabled\r
- READ isAutomaticImageCacheEnabled\r
- WRITE setAutomaticImageCacheEnabled)\r
- Q_PROPERTY(double maxRenderRateForImageCache\r
- READ maxRenderRateForImageCache\r
- WRITE setMaxRenderRateForImageCache)\r
- Q_PROPERTY(QString text READ text WRITE setText)\r
-\r
-public:\r
-#if QT_VERSION < 0x040000\r
- //! constructor for Qt 3\r
- QVTKWidget(QWidget* parent = NULL, const char* name = NULL, Qt::WFlags f = 0);\r
-#else\r
- //! constructor for Qt 4\r
- QVTKWidget(QWidget* parent = NULL, Qt::WFlags f = 0);\r
-#endif\r
-\r
- QString text() const {\r
- return "";\r
- }\r
-\r
- //! destructor\r
- virtual ~QVTKWidget();\r
-\r
- // Description:\r
- // Set the vtk render window, if you wish to use your own vtkRenderWindow\r
- virtual void SetRenderWindow(vtkRenderWindow*);\r
-\r
- // Description:\r
- // Get the vtk render window.\r
- virtual vtkRenderWindow* GetRenderWindow();\r
-\r
- // Description:\r
- // Get the Qt/vtk interactor that was either created by default or set by the user\r
- virtual QVTKInteractor* GetInteractor();\r
-\r
- // Description:\r
- // Enum for additional event types supported.\r
- // These events can be picked up by command observers on the interactor\r
- enum vtkCustomEvents\r
- {\r
- ContextMenuEvent = vtkCommand::UserEvent + 100,\r
- DragEnterEvent,\r
- DragMoveEvent,\r
- DragLeaveEvent,\r
- DropEvent\r
- };\r
-\r
- // Description:\r
- // Enables/disables automatic image caching. If disabled (the default),\r
- // QVTKWidget will not call saveImageToCache() on its own.\r
- virtual void setAutomaticImageCacheEnabled(bool flag);\r
- virtual bool isAutomaticImageCacheEnabled() const;\r
-\r
- // Description:\r
- // If automatic image caching is enabled, then the image will be cached\r
- // after every render with a DesiredUpdateRate that is greater than\r
- // this parameter. By default, the vtkRenderWindowInteractor will\r
- // change the desired render rate depending on the user's\r
- // interactions. (See vtkRenderWindow::DesiredUpdateRate,\r
- // vtkRenderWindowInteractor::DesiredUpdateRate and\r
- // vtkRenderWindowInteractor::StillUpdateRate for more details.)\r
- virtual void setMaxRenderRateForImageCache(double rate);\r
- virtual double maxRenderRateForImageCache() const;\r
-\r
- // Description:\r
- // Returns the current image in the window. If the image cache is up\r
- // to date, that is returned to avoid grabbing other windows.\r
- virtual vtkUnsignedCharArray* cachedImage();\r
-\r
-#if QT_VERSION < 0x040000\r
- // Description:\r
- // Handle reparenting of this widget in Qt 3.x\r
- virtual void reparent(QWidget* parent, Qt::WFlags f, const QPoint& p, bool showit);\r
-#endif\r
-\r
- // Description:\r
- // Handle showing of the Widget\r
- virtual void showEvent(QShowEvent*);\r
-\r
- virtual QPaintEngine* paintEngine() const;\r
-\r
-signals:\r
- // Description:\r
- // This signal will be emitted whenever a mouse event occurs\r
- // within the QVTK window\r
- void mouseEvent(QMouseEvent* event);\r
-\r
- // Description:\r
- // This signal will be emitted whenever the cached image goes from clean\r
- // to dirty.\r
- void cachedImageDirty();\r
-\r
- // Description:\r
- // This signal will be emitted whenever the cached image is refreshed.\r
- void cachedImageClean();\r
-\r
-public slots:\r
- // Description:\r
- // This will mark the cached image as dirty. This slot is automatically\r
- // invoked whenever the render window has a render event or the widget is\r
- // resized. Your application should invoke this slot whenever the image in\r
- // the render window is changed by some other means. If the image goes\r
- // from clean to dirty, the cachedImageDirty() signal is emitted.\r
- void markCachedImageAsDirty();\r
-\r
- // Description:\r
- // If the cached image is dirty, it is updated with the current image in\r
- // the render window and the cachedImageClean() signal is emitted.\r
- void saveImageToCache();\r
-\r
- void setText(const QString &) {};\r
-\r
-protected:\r
- // overloaded resize handler\r
- virtual void resizeEvent(QResizeEvent* event);\r
- // overloaded move handler\r
- virtual void moveEvent(QMoveEvent* event);\r
- // overloaded paint handler\r
- virtual void paintEvent(QPaintEvent* event);\r
-\r
- // overloaded mouse press handler\r
- virtual void mousePressEvent(QMouseEvent* event);\r
- // overloaded mouse move handler\r
- virtual void mouseMoveEvent(QMouseEvent* event);\r
- // overloaded mouse release handler\r
- virtual void mouseReleaseEvent(QMouseEvent* event);\r
- // overloaded key press handler\r
- virtual void keyPressEvent(QKeyEvent* event);\r
- // overloaded key release handler\r
- virtual void keyReleaseEvent(QKeyEvent* event);\r
- // overloaded enter event\r
- virtual void enterEvent(QEvent*);\r
- // overloaded leave event\r
- virtual void leaveEvent(QEvent*);\r
-#ifndef QT_NO_WHEELEVENT\r
- // overload wheel mouse event\r
- virtual void wheelEvent(QWheelEvent*);\r
-#endif\r
- // overload focus event\r
- virtual void focusInEvent(QFocusEvent*);\r
- // overload focus event\r
- virtual void focusOutEvent(QFocusEvent*);\r
- // overload Qt's event() to capture more keys\r
- bool event( QEvent* e );\r
-\r
- // overload context menu event\r
- virtual void contextMenuEvent(QContextMenuEvent*);\r
- // overload drag enter event\r
- virtual void dragEnterEvent(QDragEnterEvent*);\r
- // overload drag move event\r
- virtual void dragMoveEvent(QDragMoveEvent*);\r
- // overload drag leave event\r
- virtual void dragLeaveEvent(QDragLeaveEvent*);\r
- // overload drop event\r
- virtual void dropEvent(QDropEvent*);\r
-\r
- // the vtk render window\r
- vtkRenderWindow* mRenWin;\r
-\r
- // set up an X11 window based on a visual and colormap\r
- // that VTK chooses\r
- void x11_setup_window();\r
-\r
-#if defined(Q_WS_MAC) && QT_VERSION < 0x040000\r
- void macFixRect();\r
- virtual void setRegionDirty(bool);\r
- virtual void macWidgetChangedWindow();\r
-#endif\r
-\r
-#if defined(Q_WS_MAC) && QT_VERSION >= 0x040000\r
- EventHandlerUPP DirtyRegionHandlerUPP;\r
- EventHandlerRef DirtyRegionHandler;\r
- static OSStatus DirtyRegionProcessor(EventHandlerCallRef er, EventRef event, void*);\r
-#endif\r
-\r
-private slots:\r
- void internalMacFixRect();\r
-\r
-protected:\r
-\r
- vtkUnsignedCharArray* mCachedImage;\r
- bool cachedImageCleanFlag;\r
- bool automaticImageCache;\r
- double maxImageCacheRenderRate;\r
-\r
-private:\r
- //! unimplemented operator=\r
- QVTKWidget const& operator=(QVTKWidget const&);\r
- //! unimplemented copy\r
- QVTKWidget(const QVTKWidget&);\r
-\r
-};\r
-\r
-class QVTKInteractorInternal;\r
-\r
-// .NAME QVTKInteractor - An interactor for the QVTKWidget.\r
-// .SECTION Description\r
-// QVTKInteractor is an interactor for a QVTKWiget.\r
-\r
-class QVTKInteractor : public QObject, public vtkRenderWindowInteractor\r
-{\r
- Q_OBJECT\r
-public:\r
- static QVTKInteractor* New();\r
- vtkTypeMacro(QVTKInteractor,vtkRenderWindowInteractor);\r
-\r
- // Description:\r
- // Overloaded terminiate app, which does nothing in Qt.\r
- // Use qApp->exit() instead.\r
- virtual void TerminateApp();\r
-\r
- // Description:\r
- // Overloaded start method does nothing.\r
- // Use qApp->exec() instead.\r
- virtual void Start();\r
-\r
-public slots:\r
-// timer event slot\r
- virtual void TimerEvent(int timerId);\r
-\r
-protected:\r
- // constructor\r
- QVTKInteractor();\r
- // destructor\r
- ~QVTKInteractor();\r
-\r
- // create a Qt Timer\r
- virtual int InternalCreateTimer(int timerId, int timerType, unsigned long duration);\r
- // destroy a Qt Timer\r
- virtual int InternalDestroyTimer(int platformTimerId);\r
-\r
-private:\r
-\r
- QVTKInteractorInternal* Internal;\r
-\r
- // unimplemented copy\r
- QVTKInteractor(const QVTKInteractor&);\r
- // unimplemented operator=\r
- void operator=(const QVTKInteractor&);\r
-\r
-};\r
-\r
-\r
-#endif\r
-\r
-\r
git://git.creatis.insa-lyon.fr / clitk.git / commitdiff