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NavigationStyle.h
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/
NavigationStyle.h
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/***************************************************************************
* Copyright (c) 2008 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef GUI_NAVIGATIONSTYLE_H
#define GUI_NAVIGATIONSTYLE_H
#include <Inventor/C/basic.h>
#include <Inventor/SbBox2s.h>
#include <Inventor/SbVec2f.h>
#include <Inventor/SbVec2s.h>
#include <Inventor/SbVec3f.h>
#include <Inventor/SbPlane.h>
#include <Inventor/SbRotation.h>
#include <Inventor/SbTime.h>
#include <Inventor/events/SoEvents.h>
#include <QCursor>
#include <QEvent>
#include <Base/BaseClass.h>
// forward declarations
class SoEvent;
class SoMotion3Event;
class SoQtViewer;
class SoCamera;
class SoSensor;
class SbSphereSheetProjector;
namespace Gui {
class View3DInventorViewer;
class AbstractMouseSelection;
/**
* @author Werner Mayer
*/
class GuiExport NavigationStyleEvent : public QEvent
{
public:
NavigationStyleEvent(const Base::Type& s);
~NavigationStyleEvent();
const Base::Type& style() const;
private:
Base::Type t;
};
/**
* The navigation style base class
* @author Werner Mayer
*/
class GuiExport NavigationStyle : public Base::BaseClass
{
TYPESYSTEM_HEADER();
public:
enum ViewerMode {
IDLE,
INTERACT,
ZOOMING,
BOXZOOM,
PANNING,
DRAGGING,
SPINNING,
SEEK_WAIT_MODE,
SEEK_MODE,
SELECTION
};
enum SelectionMode {
Lasso = 0, /**< Select objects using a lasso. */
Rectangle = 1, /**< Select objects using a rectangle. */
Rubberband = 2, /**< Select objects using a rubberband. */
BoxZoom = 3, /**< Perform a box zoom. */
Clip = 4, /**< Clip objects using a lasso. */
};
enum OrbitStyle {
Turntable,
Trackball
};
enum RotationCenterMode {
ScenePointAtCursor, /**< Find the point in the scene at the cursor position. If there is no point then the focal plane is used */
FocalPointAtCursor /**< Find the point on the focal plane at the cursor position. */
};
public:
NavigationStyle();
virtual ~NavigationStyle();
NavigationStyle& operator = (const NavigationStyle& ns);
void setViewer(View3DInventorViewer*);
void setAnimationEnabled(const SbBool enable);
SbBool isAnimationEnabled(void) const;
void startAnimating(const SbVec3f& axis, float velocity);
void stopAnimating(void);
SbBool isAnimating(void) const;
void setSensitivity(float);
float getSensitivity() const;
void setResetCursorPosition(SbBool);
SbBool isResetCursorPosition() const;
void setZoomInverted(SbBool);
SbBool isZoomInverted() const;
void setZoomStep(float);
void setZoomAtCursor(SbBool);
SbBool isZoomAtCursor() const;
void zoomIn();
void zoomOut();
void setDragAtCursor(SbBool);
SbBool isDragAtCursor() const;
void setRotationCenterMode(RotationCenterMode);
RotationCenterMode getRotationCenterMode() const;
void setRotationCenter(const SbVec3f& cnt);
SbVec3f getFocalPoint() const;
void updateAnimation();
void redraw();
void setCameraOrientation(const SbRotation& rot, SbBool moveTocenter=false);
void lookAtPoint(const SbVec3f&);
void boxZoom(const SbBox2s& box);
virtual void viewAll();
void setViewingMode(const ViewerMode newmode);
int getViewingMode() const;
virtual SbBool processEvent(const SoEvent * const ev);
virtual SbBool processMotionEvent(const SoMotion3Event * const ev);
void setPopupMenuEnabled(const SbBool on);
SbBool isPopupMenuEnabled(void) const;
void startSelection(AbstractMouseSelection*);
void startSelection(SelectionMode = Lasso);
void stopSelection();
SbBool isSelecting() const;
const std::vector<SbVec2s>& getPolygon(SbBool* clip_inner=0) const;
void setOrbitStyle(OrbitStyle style);
OrbitStyle getOrbitStyle() const;
protected:
void initialize();
void finalize();
void interactiveCountInc(void);
void interactiveCountDec(void);
int getInteractiveCount(void) const;
SbBool isViewing(void) const;
void setViewing(SbBool);
SbBool isSeekMode(void) const;
void setSeekMode(SbBool enable);
SbBool seekToPoint(const SbVec2s screenpos);
void seekToPoint(const SbVec3f& scenepos);
SbBool lookAtPoint(const SbVec2s screenpos);
SbVec3f getRotationCenter(SbBool*) const;
void reorientCamera(SoCamera * camera, const SbRotation & rot);
void panCamera(SoCamera * camera,
float vpaspect,
const SbPlane & panplane,
const SbVec2f & previous,
const SbVec2f & current);
void pan(SoCamera* camera);
void panToCenter(const SbPlane & pplane, const SbVec2f & currpos);
void zoom(SoCamera * camera, float diffvalue);
void zoomByCursor(const SbVec2f & thispos, const SbVec2f & prevpos);
void doZoom(SoCamera * camera, SbBool forward, const SbVec2f& pos);
void doZoom(SoCamera * camera, float logzoomfactor, const SbVec2f& pos);
void doRotate(SoCamera * camera, float angle, const SbVec2f& pos);
void spin(const SbVec2f & pointerpos);
SbBool doSpin();
void spin_simplified(SoCamera *cam, SbVec2f curpos, SbVec2f prevpos);
void moveCursorPosition();
void saveCursorPosition(const SoEvent * const ev);
SbVec2f normalizePixelPos(SbVec2s pixpos);
SbVec2f normalizePixelPos(SbVec2f pixpos);
SbBool handleEventInForeground(const SoEvent* const e);
virtual SbBool processSoEvent(const SoEvent * const ev);
void syncWithEvent(const SoEvent * const ev);
virtual void openPopupMenu(const SbVec2s& position);
void clearLog(void);
void addToLog(const SbVec2s pos, const SbTime time);
protected:
struct { // tracking mouse movement in a log
short size;
short historysize;
SbVec2s * position;
SbTime * time;
} log;
View3DInventorViewer* viewer;
ViewerMode currentmode;
SbVec2f lastmouseposition;
SbVec2s globalPos;
SbVec2s localPos;
SbPlane panningplane;
SbTime prevRedrawTime;
SbTime centerTime;
SbBool lockrecenter;
SbBool menuenabled;
SbBool ctrldown, shiftdown, altdown;
SbBool button1down, button2down, button3down;
SbBool invertZoom;
SbBool zoomAtCursor;
float zoomStep;
/** @name Mouse model */
//@{
AbstractMouseSelection* mouseSelection;
std::vector<SbVec2s> pcPolygon;
SbBool clipInner;
//@}
/** @name Spinning data */
//@{
SbBool spinanimatingallowed;
int spinsamplecounter;
SbRotation spinincrement;
SbRotation spinRotation;
SbSphereSheetProjector * spinprojector;
//@}
private:
struct NavigationStyleP* pimpl;
friend struct NavigationStyleP;
};
/** Sub-classes of this class appear in the preference dialog where users can
* choose their favorite navigation style.
* All other classes that inherit directly from NavigationStyle do not appear
* in the above dialog.
* This mechanism is useful to implement special navigation styles which are
* only needed for certain purposes. Thus, it should not be possible to be
* choosable by the user
* @author Werner Mayer
*/
class GuiExport UserNavigationStyle : public NavigationStyle {
TYPESYSTEM_HEADER();
public:
UserNavigationStyle(){}
~UserNavigationStyle(){}
virtual const char* mouseButtons(ViewerMode) = 0;
virtual std::string userFriendlyName() const;
static std::map<Base::Type, std::string> getUserFriendlyNames();
};
class GuiExport InventorNavigationStyle : public UserNavigationStyle {
typedef UserNavigationStyle inherited;
TYPESYSTEM_HEADER();
public:
InventorNavigationStyle();
~InventorNavigationStyle();
const char* mouseButtons(ViewerMode);
virtual std::string userFriendlyName() const;
protected:
SbBool processSoEvent(const SoEvent * const ev);
private:
SoMouseButtonEvent mouseDownConsumedEvent;
};
class GuiExport CADNavigationStyle : public UserNavigationStyle {
typedef UserNavigationStyle inherited;
TYPESYSTEM_HEADER();
public:
CADNavigationStyle();
~CADNavigationStyle();
const char* mouseButtons(ViewerMode);
protected:
SbBool processSoEvent(const SoEvent * const ev);
private:
SbBool lockButton1;
SoMouseButtonEvent mouseDownConsumedEvent;
};
class GuiExport RevitNavigationStyle : public UserNavigationStyle {
typedef UserNavigationStyle inherited;
TYPESYSTEM_HEADER();
public:
RevitNavigationStyle();
~RevitNavigationStyle();
const char* mouseButtons(ViewerMode);
protected:
SbBool processSoEvent(const SoEvent * const ev);
private:
SbBool lockButton1;
SoMouseButtonEvent mouseDownConsumedEvent;
};
class GuiExport BlenderNavigationStyle : public UserNavigationStyle {
typedef UserNavigationStyle inherited;
TYPESYSTEM_HEADER();
public:
BlenderNavigationStyle();
~BlenderNavigationStyle();
const char* mouseButtons(ViewerMode);
protected:
SbBool processSoEvent(const SoEvent * const ev);
private:
SbBool lockButton1;
SoMouseButtonEvent mouseDownConsumedEvent;
};
class GuiExport MayaGestureNavigationStyle : public UserNavigationStyle {
typedef UserNavigationStyle inherited;
TYPESYSTEM_HEADER();
public:
MayaGestureNavigationStyle();
~MayaGestureNavigationStyle();
const char* mouseButtons(ViewerMode);
protected:
SbBool processSoEvent(const SoEvent * const ev);
SbVec2s mousedownPos;//the position where some mouse button was pressed (local pixel coordinates).
short mouseMoveThreshold;//setting. Minimum move required to consider it a move (in pixels).
bool mouseMoveThresholdBroken;//a flag that the move threshold was surpassed since last mousedown.
int mousedownConsumedCount;//a flag for remembering that a mousedown of button1/button2 was consumed.
SoMouseButtonEvent mousedownConsumedEvent[5];//the event that was consumed and is to be refired. 2 should be enough, but just for a case of the maximum 5 buttons...
bool testMoveThreshold(const SbVec2s currentPos) const;
bool thisClickIsComplex;//a flag that becomes set when a complex clicking pattern is detected (i.e., two or more mouse buttons were down at the same time).
bool inGesture; //a flag that is used to filter out mouse events during gestures.
};
class GuiExport TouchpadNavigationStyle : public UserNavigationStyle {
typedef UserNavigationStyle inherited;
TYPESYSTEM_HEADER();
public:
TouchpadNavigationStyle();
~TouchpadNavigationStyle();
const char* mouseButtons(ViewerMode);
protected:
SbBool processSoEvent(const SoEvent * const ev);
private:
SoMouseButtonEvent mouseDownConsumedEvent;
};
class GuiExport GestureNavigationStyle : public UserNavigationStyle {
typedef UserNavigationStyle inherited;
TYPESYSTEM_HEADER();
public:
GestureNavigationStyle();
~GestureNavigationStyle();
const char* mouseButtons(ViewerMode);
protected:
SbBool processSoEvent(const SoEvent * const ev);
bool isDraggerUnderCursor(SbVec2s pos);
SbVec2s mousedownPos;//the position where some mouse button was pressed (local pixel coordinates).
short mouseMoveThreshold;//setting. Minimum move required to consider it a move (in pixels).
bool mouseMoveThresholdBroken;//a flag that the move threshold was surpassed since last mousedown.
int mousedownConsumedCount;//a flag for remembering that a mousedown of button1/button2 was consumed.
SoMouseButtonEvent mousedownConsumedEvent[5];//the event that was consumed and is to be refired. 2 should be enough, but just for a case of the maximum 5 buttons...
bool testMoveThreshold(const SbVec2s currentPos) const;
bool thisClickIsComplex;//a flag that becomes set when a complex clicking pattern is detected (i.e., two or more mouse buttons were down at the same time).
bool inGesture; //a flag that is used to filter out mouse events during gestures.
};
class GuiExport OpenCascadeNavigationStyle : public UserNavigationStyle {
typedef UserNavigationStyle inherited;
TYPESYSTEM_HEADER();
public:
OpenCascadeNavigationStyle();
~OpenCascadeNavigationStyle();
const char* mouseButtons(ViewerMode);
protected:
SbBool processSoEvent(const SoEvent * const ev);
private:
SoMouseButtonEvent mouseDownConsumedEvent;
};
} // namespace Gui
#endif // GUI_NAVIGATIONSTYLE_H