+ fixes #0002108: Add OpenCascade navigation style
This commit is contained in:
Kirill Gavrilov
wmayer
parent
e75fd5e69a
commit
be70bad701
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@ -681,6 +681,7 @@ SET(View3D_CPP_SRCS
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InventorNavigationStyle.cpp
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CADNavigationStyle.cpp
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BlenderNavigationStyle.cpp
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OpenCascadeNavigationStyle.cpp
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TouchpadNavigationStyle.cpp
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GestureNavigationStyle.cpp
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SplitView3DInventor.cpp
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@ -347,6 +347,21 @@ protected:
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bool inGesture; //a flag that is used to filter out mouse events during gestures.
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};
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class GuiExport OpenCascadeNavigationStyle : public UserNavigationStyle {
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typedef UserNavigationStyle inherited;
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TYPESYSTEM_HEADER();
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public:
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OpenCascadeNavigationStyle();
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~OpenCascadeNavigationStyle();
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const char* mouseButtons(ViewerMode);
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protected:
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SbBool processSoEvent(const SoEvent * const ev);
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};
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} // namespace Gui
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#endif // GUI_NAVIGATIONSTYLE_H
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333
src/Gui/OpenCascadeNavigationStyle.cpp
Normal file
333
src/Gui/OpenCascadeNavigationStyle.cpp
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@ -0,0 +1,333 @@
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/***************************************************************************
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* Copyright (c) 2015 Kirill Gavrilov <kirill.gavrilov[at]opencascade.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <cfloat>
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# include "InventorAll.h"
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# include <QAction>
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# include <QActionGroup>
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# include <QApplication>
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# include <QByteArray>
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# include <QCursor>
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# include <QList>
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# include <QMenu>
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# include <QMetaObject>
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# include <QRegExp>
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#endif
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#include <Inventor/sensors/SoTimerSensor.h>
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#include <App/Application.h>
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#include "NavigationStyle.h"
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#include "View3DInventorViewer.h"
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#include "Application.h"
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#include "MenuManager.h"
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#include "MouseSelection.h"
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using namespace Gui;
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// ----------------------------------------------------------------------------------
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/* TRANSLATOR Gui::OpenCascadeNavigationStyle */
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TYPESYSTEM_SOURCE(Gui::OpenCascadeNavigationStyle, Gui::UserNavigationStyle);
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OpenCascadeNavigationStyle::OpenCascadeNavigationStyle()
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{
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}
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OpenCascadeNavigationStyle::~OpenCascadeNavigationStyle()
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{
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}
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const char* OpenCascadeNavigationStyle::mouseButtons(ViewerMode mode)
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{
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switch (mode) {
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case NavigationStyle::SELECTION:
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return QT_TR_NOOP("Press left mouse button");
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case NavigationStyle::PANNING:
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return QT_TR_NOOP("Press CTRL and middle mouse button");
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case NavigationStyle::DRAGGING:
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return QT_TR_NOOP("Press CTRL and right mouse button");
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case NavigationStyle::ZOOMING:
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return QT_TR_NOOP("Press CTRL and left mouse button");
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default:
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return "No description";
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}
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}
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SbBool OpenCascadeNavigationStyle::processSoEvent(const SoEvent * const ev)
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{
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// Events when in "ready-to-seek" mode are ignored, except those
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// which influence the seek mode itself -- these are handled further
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// up the inheritance hierarchy.
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if (this->isSeekMode()) { return inherited::processSoEvent(ev); }
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// Switch off viewing mode
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if (!this->isSeekMode() && !this->isAnimating() && this->isViewing())
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this->setViewing(false); // by default disable viewing mode to render the scene
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const SoType type(ev->getTypeId());
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const SbViewportRegion & vp = viewer->getSoRenderManager()->getViewportRegion();
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const SbVec2s size(vp.getViewportSizePixels());
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const SbVec2f prevnormalized = this->lastmouseposition;
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const SbVec2s pos(ev->getPosition());
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const SbVec2f posn((float) pos[0] / (float) std::max((int)(size[0] - 1), 1),
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(float) pos[1] / (float) std::max((int)(size[1] - 1), 1));
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this->lastmouseposition = posn;
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// Set to TRUE if any event processing happened. Note that it is not
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// necessary to restrict ourselves to only do one "action" for an
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// event, we only need this flag to see if any processing happened
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// at all.
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SbBool processed = FALSE;
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const ViewerMode curmode = this->currentmode;
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ViewerMode newmode = curmode;
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// Mismatches in state of the modifier keys happens if the user
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// presses or releases them outside the viewer window.
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if (this->ctrldown != ev->wasCtrlDown()) {
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this->ctrldown = ev->wasCtrlDown();
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}
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if (this->shiftdown != ev->wasShiftDown()) {
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this->shiftdown = ev->wasShiftDown();
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}
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if (this->altdown != ev->wasAltDown()) {
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this->altdown = ev->wasAltDown();
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}
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// give the nodes in the foreground root the chance to handle events (e.g color bar)
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if (!processed && !viewer->isEditing()) {
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processed = handleEventInForeground(ev);
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if (processed)
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return TRUE;
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}
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// Keyboard handling
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if (type.isDerivedFrom(SoKeyboardEvent::getClassTypeId())) {
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const SoKeyboardEvent * const event = (const SoKeyboardEvent *) ev;
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const SbBool press = event->getState() == SoButtonEvent::DOWN ? TRUE : FALSE;
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switch (event->getKey()) {
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case SoKeyboardEvent::LEFT_CONTROL:
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case SoKeyboardEvent::RIGHT_CONTROL:
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this->ctrldown = press;
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break;
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case SoKeyboardEvent::LEFT_SHIFT:
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case SoKeyboardEvent::RIGHT_SHIFT:
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this->shiftdown = press;
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break;
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case SoKeyboardEvent::LEFT_ALT:
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case SoKeyboardEvent::RIGHT_ALT:
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this->altdown = press;
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break;
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case SoKeyboardEvent::H:
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processed = TRUE;
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viewer->saveHomePosition();
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break;
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case SoKeyboardEvent::S:
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case SoKeyboardEvent::HOME:
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case SoKeyboardEvent::LEFT_ARROW:
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case SoKeyboardEvent::UP_ARROW:
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case SoKeyboardEvent::RIGHT_ARROW:
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case SoKeyboardEvent::DOWN_ARROW:
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if (!this->isViewing())
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this->setViewing(true);
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break;
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default:
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break;
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}
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}
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// Mouse Button / Spaceball Button handling
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if (type.isDerivedFrom(SoMouseButtonEvent::getClassTypeId())) {
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const SoMouseButtonEvent * const event = (const SoMouseButtonEvent *) ev;
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const int button = event->getButton();
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const SbBool press = event->getState() == SoButtonEvent::DOWN ? TRUE : FALSE;
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switch (button) {
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case SoMouseButtonEvent::BUTTON1:
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this->lockrecenter = TRUE;
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this->button1down = press;
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if (press && (this->currentmode == NavigationStyle::SEEK_WAIT_MODE)) {
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newmode = NavigationStyle::SEEK_MODE;
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this->seekToPoint(pos); // implicitly calls interactiveCountInc()
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processed = TRUE;
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}
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else if (!press && (this->currentmode == NavigationStyle::ZOOMING)) {
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newmode = NavigationStyle::IDLE;
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processed = TRUE;
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}
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else if (!press && (this->currentmode == NavigationStyle::DRAGGING)) {
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this->setViewing(false);
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processed = TRUE;
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}
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else if (viewer->isEditing() && (this->currentmode == NavigationStyle::SPINNING)) {
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processed = TRUE;
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}
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break;
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case SoMouseButtonEvent::BUTTON2:
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// If we are in edit mode then simply ignore the RMB events
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// to pass the event to the base class.
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this->lockrecenter = TRUE;
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if (!viewer->isEditing()) {
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// If we are in zoom or pan mode ignore RMB events otherwise
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// the canvas doesn't get any release events
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if (this->currentmode != NavigationStyle::ZOOMING &&
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this->currentmode != NavigationStyle::PANNING &&
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this->currentmode != NavigationStyle::DRAGGING) {
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if (this->isPopupMenuEnabled()) {
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if (!press) { // release right mouse button
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this->openPopupMenu(event->getPosition());
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}
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}
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}
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}
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// Alternative way of rotating & zooming
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if (press && (this->currentmode == NavigationStyle::PANNING ||
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this->currentmode == NavigationStyle::ZOOMING)) {
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newmode = NavigationStyle::DRAGGING;
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saveCursorPosition(ev);
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this->centerTime = ev->getTime();
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processed = TRUE;
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}
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else if (!press && (this->currentmode == NavigationStyle::DRAGGING)) {
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newmode = NavigationStyle::IDLE;
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processed = TRUE;
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}
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this->button2down = press;
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break;
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case SoMouseButtonEvent::BUTTON3:
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if (press) {
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this->centerTime = ev->getTime();
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float ratio = vp.getViewportAspectRatio();
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SbViewVolume vv = viewer->getSoRenderManager()->getCamera()->getViewVolume(ratio);
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this->panningplane = vv.getPlane(viewer->getSoRenderManager()->getCamera()->focalDistance.getValue());
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this->lockrecenter = FALSE;
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}
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else if (!press && (this->currentmode == NavigationStyle::PANNING)) {
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newmode = NavigationStyle::IDLE;
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processed = TRUE;
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}
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this->button3down = press;
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break;
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case SoMouseButtonEvent::BUTTON4:
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case SoMouseButtonEvent::BUTTON5:
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doZoom(viewer->getSoRenderManager()->getCamera(), button == SoMouseButtonEvent::BUTTON4, posn);
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processed = TRUE;
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break;
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default:
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break;
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}
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}
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enum {
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BUTTON1DOWN = 1 << 0,
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BUTTON3DOWN = 1 << 1,
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CTRLDOWN = 1 << 2,
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SHIFTDOWN = 1 << 3,
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BUTTON2DOWN = 1 << 4
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};
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unsigned int combo =
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(this->button1down ? BUTTON1DOWN : 0) |
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(this->button2down ? BUTTON2DOWN : 0) |
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(this->button3down ? BUTTON3DOWN : 0) |
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(this->ctrldown ? CTRLDOWN : 0) |
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(this->shiftdown ? SHIFTDOWN : 0);
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// Mouse Movement handling
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if (type.isDerivedFrom(SoLocation2Event::getClassTypeId())) {
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this->lockrecenter = TRUE;
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const SoLocation2Event * const event = (const SoLocation2Event *) ev;
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if (this->currentmode == NavigationStyle::ZOOMING) {
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// OCCT uses horizontal mouse position, not vertical
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// this->zoomByCursor(posn, prevnormalized);
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float value = (posn[0] - prevnormalized[0]) * 10.0f;
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if (this->invertZoom)
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value = -value;
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zoom(viewer->getSoRenderManager()->getCamera(), value);
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processed = TRUE;
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}
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else if (this->currentmode == NavigationStyle::PANNING) {
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float ratio = vp.getViewportAspectRatio();
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panCamera(viewer->getSoRenderManager()->getCamera(), ratio, this->panningplane, posn, prevnormalized);
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processed = TRUE;
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}
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else if (this->currentmode == NavigationStyle::DRAGGING) {
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this->addToLog(event->getPosition(), event->getTime());
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this->spin(posn);
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moveCursorPosition();
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processed = TRUE;
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}
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else if (combo == (CTRLDOWN|BUTTON1DOWN)) {
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newmode = NavigationStyle::ZOOMING;
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}
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}
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// Spaceball & Joystick handling
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if (type.isDerivedFrom(SoMotion3Event::getClassTypeId())) {
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const SoMotion3Event * const event = static_cast<const SoMotion3Event * const>(ev);
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if (event)
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this->processMotionEvent(event);
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processed = TRUE;
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}
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switch (combo) {
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case 0:
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if (curmode == NavigationStyle::SPINNING) { break; }
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newmode = NavigationStyle::IDLE;
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break;
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case CTRLDOWN|BUTTON1DOWN:
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case BUTTON1DOWN:
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if (newmode != NavigationStyle::ZOOMING)
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newmode = NavigationStyle::SELECTION;
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break;
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case CTRLDOWN|BUTTON3DOWN:
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case BUTTON3DOWN:
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newmode = NavigationStyle::PANNING;
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break;
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case CTRLDOWN|BUTTON2DOWN:
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newmode = NavigationStyle::DRAGGING;
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break;
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case BUTTON2DOWN:
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newmode = NavigationStyle::IDLE;
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break;
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default:
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break;
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}
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if (newmode != curmode) {
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this->setViewingMode(newmode);
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}
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// If not handled in this class, pass on upwards in the inheritance
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// hierarchy.
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if (/*(curmode == NavigationStyle::SELECTION || viewer->isEditing()) && */!processed)
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processed = inherited::processSoEvent(ev);
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else
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return TRUE;
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return processed;
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}
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@ -135,6 +135,7 @@ void Gui::SoFCDB::init()
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BlenderNavigationStyle ::init();
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TouchpadNavigationStyle ::init();
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GestureNavigationStyle ::init();
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OpenCascadeNavigationStyle ::init();
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GLGraphicsItem ::init();
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GLFlagWindow ::init();
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