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Canorus
0.7
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Canorus
0.7
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00001 00008 #ifndef SCOREVIEWPORT_H_ 00009 #define SCOREVIEWPORT_H_ 00010 00011 #include <QList> 00012 #include <QPen> 00013 #include <QBrush> 00014 #include <QRect> 00015 #include <QLineEdit> 00016 #include <QTimer> 00017 00018 #include "widgets/viewport.h" 00019 #include "core/kdtree.h" 00020 #include "core/note.h" 00021 00022 class QScrollBar; 00023 class QMouseEvent; 00024 class QWheelEvent; 00025 class QTimer; 00026 class QGridLayout; 00027 00028 class CADrawable; 00029 class CADrawableMusElement; 00030 class CADrawableContext; 00031 class CADrawableNote; 00032 class CAMusElement; 00033 class CAContext; 00034 class CASheet; 00035 class CAStaff; 00036 class CALyricsContext; 00037 00038 class CATextEdit : public QLineEdit { 00039 Q_OBJECT 00040 00041 public: 00042 CATextEdit( QWidget *parent=0 ); 00043 ~CATextEdit(); 00044 00045 signals: 00046 void CAKeyPressEvent( QKeyEvent * ); 00047 00048 public slots: 00049 void keyPressEvent( QKeyEvent * ); 00050 }; 00051 00052 class CAScoreViewPort : public CAViewPort { 00053 Q_OBJECT 00054 00055 public: 00056 enum CAScrollBarVisibility { 00057 ScrollBarAlwaysVisible, 00058 ScrollBarAlwaysHidden, 00059 ScrollBarShowIfNeeded 00060 }; 00061 00063 // Basic methods // 00065 CAScoreViewPort(QWidget *parent=0); 00066 CAScoreViewPort(CASheet *sheet, QWidget *parent=0); 00067 virtual ~CAScoreViewPort(); 00068 CAScoreViewPort *clone(); 00069 CAScoreViewPort *clone(QWidget *parent); 00070 inline CASheet *sheet() { return _sheet; } 00071 inline void setSheet( CASheet *sheet ) { _sheet = sheet; } 00072 00074 // Addition, removal of drawable elements // 00076 void addMElement(CADrawableMusElement *elt, bool select=false); 00077 void addCElement(CADrawableContext *elt, bool select=false); 00078 CAMusElement *removeMElement(double x, double y); 00079 00080 void importElements(CAKDTree<CADrawableMusElement*> *drawableMList, CAKDTree<CADrawableContext*> *drawableCList); 00081 void importMElements(CAKDTree<CADrawableMusElement*> *elts); 00082 void importCElements(CAKDTree<CADrawableContext*> *elts); 00083 00085 // Selection // 00087 inline QList<CADrawableMusElement*>& selection() { return _selection; }; 00088 QList<CAMusElement*> musElementSelection(); 00089 QList<CADrawableMusElement*> musElementsAt(double x, double y); 00090 CADrawableContext *selectCElement(double x, double y); 00091 CADrawableMusElement *selectMElement(CAMusElement *elt); 00092 CADrawableContext *selectContext(CAContext *context); 00093 inline QPoint lastMousePressCoords() { return _lastMousePressCoords; } 00094 void setLastMousePressCoordsAfter(const QList<CAMusElement*> list); 00095 00096 inline CADrawableContext *currentContext() { return _currentContext; } 00097 inline void setCurrentContext(CADrawableContext *c) { _currentContext = c; } 00098 00099 void selectAll(); 00100 void selectAllCurBar(); 00101 void selectAllCurContext(); 00102 void invertSelection(); 00103 inline void clearSelection() { _selection.clear(); emit selectionChanged(); } 00104 inline bool removeFromSelection(CADrawableMusElement *elt) { return _selection.removeAll(elt); emit selectionChanged(); } 00105 00106 void addToSelection(CADrawableMusElement *elt, bool triggerSignal=true ); 00107 void addToSelection( const QList<CADrawableMusElement*> list, bool selectableOnly=true ); 00108 CADrawableMusElement *addToSelection(CAMusElement *elt); 00109 void addToSelection(const QList<CAMusElement *> elts); 00110 00111 CADrawableMusElement* selectNextMusElement( bool append=false ); 00112 CADrawableMusElement* selectPrevMusElement( bool append=false ); 00113 CADrawableMusElement* selectUpMusElement(); 00114 CADrawableMusElement* selectDownMusElement(); 00115 00116 inline const QList<QRect> &selectionRegionList() const { return _selectionRegionList; } 00117 inline void addSelectionRegion(QRect r) { _selectionRegionList << r; } 00118 inline void removeSelectionRegion(QRect r) { _selectionRegionList.removeAll(r); } 00119 inline void clearSelectionRegionList() { _selectionRegionList.clear(); } 00120 inline CADrawable::CADirection resizeDirection() { return _resizeDirection; } 00121 00123 // Music elements and contexts query, space calculation and access // 00125 CADrawableMusElement *findMElement(CAMusElement*); 00126 CADrawableContext *findCElement(CAContext*); 00127 QList<CADrawableContext*> findContextsInRegion(QRect ®); 00128 CADrawableMusElement *nearestLeftElement(double x, double y, CADrawableContext* context=0); 00129 CADrawableMusElement *nearestLeftElement(double x, double y, CAVoice *voice); 00130 CADrawableMusElement *nearestRightElement(double x, double y, CADrawableContext* context=0); 00131 CADrawableMusElement *nearestRightElement(double x, double y, CAVoice *voice); 00132 int coordsToTime( double x ); 00133 double timeToCoords( int time ); 00134 double timeToCoordsSimpleVersion( int time ); 00135 00136 CADrawableContext *nearestUpContext(double x, double y); 00137 CADrawableContext *nearestDownContext(double x, double y); 00138 00139 int calculateTime(double x, double y); 00140 00141 CAContext *contextCollision(double x, double y); 00142 00144 // Scrollbars // 00146 inline void setManualScroll(bool scroll) { _allowManualScroll = scroll; } 00147 inline bool manualScroll() { return _allowManualScroll; } 00148 00149 void checkScrollBars(); 00150 00151 inline CAScrollBarVisibility isScrollBarVisible() { return _scrollBarVisible;} 00152 void setScrollBarVisible(CAScrollBarVisibility status); 00153 00155 // Scene appearance, properties and actions // 00157 void rebuild(); 00158 inline const int drawableWidth() { return _canvas->width(); } 00159 inline const int drawableHeight() { return _canvas->height(); } 00160 00161 void setWorldX(int x, bool animate=false, bool force=false); 00162 void setWorldY(int y, bool animate=false, bool force=false); 00163 void setWorldWidth(int w, bool force=false); 00164 void setWorldHeight(int h, bool force=false); 00165 00166 inline const int worldX() { return _worldX; } 00167 inline const int worldY() { return _worldY; } 00168 inline const int worldWidth() { return _worldW; } 00169 inline const int worldHeight() { return _worldH; } 00170 inline const QRect worldCoords() { return QRect(worldX(), worldY(), worldWidth(), worldHeight()); } 00171 00172 inline const float zoom() { return _zoom; } 00173 00174 void setWorldCoords(const QRect r, bool animate=false, bool force=false); 00175 void setWorldCoords(double x, double y, double w, double h, bool animate=false, bool force=false) { setWorldCoords( QRect(x,y,w,h), animate, force); } 00176 00177 void setCenterCoords(double x, double y, bool animate=false, bool force=false); 00178 00179 void setZoom(float z, double x=0, double y=0, bool animate=false, bool force = false); 00180 void setZoom(float z, QPoint p, bool animate=false, bool force = false) { setZoom(z, p.x(), p.y(), animate, force); } 00181 00182 void zoomToSelection(bool animate=false, bool force=false); 00183 void zoomToWidth(bool animate=false, bool force=false); 00184 void zoomToHeight(bool animate=false, bool force=false); 00185 void zoomToFit(bool animate=false, bool force=false); 00186 00187 void setBorder(const QPen pen); 00188 void unsetBorder(); 00189 inline QPen border() { return _borderPen; } 00190 inline QColor backgroundColor() { return _backgroundColor; } 00191 inline void setBackgroundColor( const QColor c ) { _backgroundColor = c; } 00192 inline QColor foregroundColor() { return _foregroundColor; } 00193 inline void setForegroundColor( const QColor c ) { _foregroundColor = c; } 00194 inline QColor selectionColor() { return _selectionColor; } 00195 inline void setSelectionColor( const QColor c ) { _selectionColor = c; } 00196 inline QColor selectionAreaColor() { return _selectionAreaColor; } 00197 inline void setSelectionAreaColor( const QColor c ) { _selectionAreaColor = c; } 00198 inline QColor selectedContextColor() { return _selectedContextColor; } 00199 inline void setSelectedContextColor( const QColor c ) { _selectedContextColor = c; } 00200 inline QColor hiddenElementsColor() { return _hiddenElementsColor; } 00201 inline void setHiddenElementsColor( const QColor c ) { _hiddenElementsColor = c; } 00202 inline QColor disabledElementsColor() { return _disabledElementsColor; } 00203 inline void setDisabledElementsColor( const QColor c ) { _disabledElementsColor = c; } 00204 00205 inline bool playing() { return _playing; } 00206 inline void setPlaying(bool playing) { _playing = playing; } 00207 00208 inline void setRepaintArea(QRect *area) { _repaintArea = area; } 00209 inline void clearRepaintArea() { if (_repaintArea) delete _repaintArea; _repaintArea=0; } 00210 00211 inline CAVoice *selectedVoice() { return _selectedVoice; } 00212 inline void setSelectedVoice( CAVoice *selectedVoice ) { _selectedVoice = selectedVoice; } 00213 00214 inline bool shadowNoteVisible() { return _shadowNoteVisible; } 00215 inline void setShadowNoteVisible(bool visible) { _shadowNoteVisible = visible; setShadowNoteVisibleOnLeave(visible); } 00216 00217 inline bool drawShadowNoteAccs() { return _drawShadowNoteAccs; } 00218 inline void setDrawShadowNoteAccs(bool draw) { _drawShadowNoteAccs = draw; } 00219 00220 inline int shadowNoteAccs() { return _shadowNoteAccs; } 00221 inline void setShadowNoteAccs(int accs) { _shadowNoteAccs = accs; } 00222 00223 void setShadowNoteLength( CAPlayableLength ); 00224 00225 CATextEdit *createTextEdit( CADrawableMusElement *elt ); 00226 inline CATextEdit *textEdit() { return _textEdit; } 00227 void removeTextEdit(); 00228 inline bool textEditVisible() { return _textEditVisible; } 00229 00230 bool noteNameVisible() { return _noteNameVisible; } 00231 void setNoteNameVisible( bool v ) { _noteNameVisible = v; } 00232 00233 QString noteName() { return _noteName; } 00234 void setNoteName( QString n ) { _noteName = n; } 00235 00236 void updateHelpers(); // method for updating shadow notes, syllable edits and other post-engrave elements coordinates and sizes when zoom level is changed etc. 00237 00238 private slots: 00239 void mousePressEvent(QMouseEvent *e); 00240 void mouseMoveEvent(QMouseEvent *e); 00241 void mouseReleaseEvent(QMouseEvent *e); 00242 void wheelEvent(QWheelEvent *e); 00243 void keyPressEvent(QKeyEvent *e); 00244 00245 void HScrollBarEvent(int val); 00246 void VScrollBarEvent(int val); 00247 00248 void resizeEvent(QResizeEvent *e); 00249 void paintEvent(QPaintEvent *p); 00250 void leaveEvent(QEvent *e); 00251 void enterEvent(QEvent *e); 00252 void on_animationTimer_timeout(); 00253 void on_clickTimer_timeout(); 00254 00255 signals: 00256 void CATripleClickEvent( QMouseEvent *e, QPoint p ); 00257 void CADoubleClickEvent( QMouseEvent *e, QPoint p ); 00258 void CAMousePressEvent( QMouseEvent *e, QPoint p ); 00259 void CAMouseReleaseEvent( QMouseEvent *e, QPoint p ); 00260 void CAMouseMoveEvent( QMouseEvent *e, QPoint p ); 00261 void CAWheelEvent( QWheelEvent *e, QPoint p ); 00262 void CAKeyPressEvent( QKeyEvent *e ); 00263 void selectionChanged(); 00264 00265 private: 00266 void initScoreViewPort( CASheet *s ); 00267 inline void clearMElements() { _drawableMList.clear(true); } 00268 inline void clearCElements() { _drawableCList.clear(true); } 00269 inline bool isSelected(CADrawableMusElement *elt) { return (_selection.contains(elt)); } 00270 00272 // Core Widgets // 00274 QGridLayout *_layout; // Grid layout for placing the scrollbars at the right and the bottom. 00275 QWidget *_canvas; // Virtual canvas which represents the size of the drawable area. All its signals are forwarded to CAViewPort. 00276 QScrollBar *_hScrollBar, *_vScrollBar; // Horizontal/vertical scrollbars 00277 00279 // General properties // 00281 CAKDTree<CADrawableMusElement*> _drawableMList; // The list of music elements stored in a tree for faster lookup and other operations. Every viewport has its own list of drawable elements and drawable objects themselves! 00282 CAKDTree<CADrawableContext*> _drawableCList; // The list of context drawable elements (staffs, lyrics etc.). Every viewport has its own list of drawable elements and drawable objects themselves! 00283 CASheet *_sheet; // Pointer to the CASheet which the viewport represents. 00284 00285 QList<CADrawableMusElement *> _selection; // The set of elements being selected. 00286 CADrawableContext *_currentContext; // The pointer to the currently active context (staff, lyrics). 00287 00288 static const int RIGHT_EXTRA_SPACE; // Extra space at the right end to insert new music 00289 static const int BOTTOM_EXTRA_SPACE; // Extra space at the bottom end to insert new music 00290 template <typename T> int getMaxXExtended(CAKDTree<T> &v); // Make the viewable World a little bigger (stuffed) to make inserting at the end easier 00291 template <typename T> int getMaxYExtended(CAKDTree<T> &v); // Make the viewable World a little bigger (stuffed) to make inserting below easies 00292 00293 double _worldX, _worldY, _worldW, _worldH; // Absolute world coordinates of the area the viewport is currently showing. 00294 QPoint _lastMousePressCoords; // Used in multiple selection - coordinates of the upper-left point of the rectangle the user drags in world coordinates 00295 inline void setLastMousePressCoords( QPoint p ) { _lastMousePressCoords = p; } 00296 float _zoom; // Zoom level of the viewport (1.0 = 100%, 1.5 = 150% etc.). 00297 00298 CAVoice *_selectedVoice; // Voice to be drawn normal colors, others are shaded 00299 00301 // Helpers // 00303 // Shadow note 00304 bool _shadowNoteVisible; // Should the shadow notes be rendered or not 00305 00306 bool _shadowNoteVisibleOnLeave; // When you leave the viewport, shadow note is always turned off. This property holds the value, if shadow note was enabled before you left the viewport. 00307 inline bool shadowNoteVisibleOnLeave() { return _shadowNoteVisibleOnLeave; } 00308 inline void setShadowNoteVisibleOnLeave( bool v ) { _shadowNoteVisibleOnLeave = v; } 00309 00310 int _shadowNoteAccs; // Number of accidentals - 0 - natural, 1 - sharp, -1 flat 00311 bool _drawShadowNoteAccs; // Draw shadow note accs? 00312 QList<CANote*> _shadowNote; // List of all shadow notes - one shadow note per drawable staff 00313 QList<CADrawableNote*> _shadowDrawableNote; // List of drawable shadow notes 00314 00315 // QLineEdit for editing or creating a lyrics syllable 00316 CATextEdit *_textEdit; 00317 inline void setTextEdit( CATextEdit *e ) { _textEdit = e; } 00318 QRect _textEditGeometry; 00319 inline QRect textEditGeometry() { return _textEditGeometry; } 00320 inline void setTextEditGeometry( const QRect r ) { _textEditGeometry = r; } 00321 bool _textEditVisible; 00322 inline void setTextEditVisible(bool v) { _textEditVisible = v; } 00323 inline void setResizeDirection( CADrawable::CADirection r ) { _resizeDirection = r; } 00324 CADrawable::CADirection _resizeDirection; // Is the current scalable music element in drag-drop resizing mode? 00325 00326 // Selection regions 00327 QList<QRect> _selectionRegionList; 00328 void drawSelectionRegion( QPainter *p, CADrawSettings s ); 00329 00331 // Appearance // 00333 bool _drawBorder; // Should the border be drawn or not. 00334 QRect *_repaintArea; // Area to be repainted on paintEvent(). 00335 QPen _borderPen; // Pen which the border is drawn by. 00336 QColor _backgroundColor; // Color which the background is filled. 00337 QColor _foregroundColor; // Color which the music elements are painted. 00338 QColor _selectionColor; // Color which the selected music elements are painted. 00339 QColor _selectionAreaColor; // Color which the selection area background is filled. 00340 QColor _selectedContextColor; // Color which the current context is painted. 00341 QColor _disabledElementsColor; // Color which the elements in non-selected voice are painted. 00342 QColor _hiddenElementsColor; // Color which the invisible elements are painted in current-voice-only mode. 00343 bool _noteNameVisible; // Is the written note name visible 00344 QString _noteName; // Name of the note to be inserted. eg. c', Des, 00345 00347 // Animation // 00349 QTimer *_animationTimer; // Timer used to animate scroll/zoom behaviour. 00350 static const int ANIMATION_STEPS; // Number of steps used in animation 00351 int _animationStep; // Current step in the animation 00352 double _targetWorldX, _targetWorldY, _targetWorldW, _targetWorldH; // Absolute world coordinates of the area the viewport is currently showing. 00353 float _targetZoom; // Zoom level of the viewport (1.0 = 100%, 1.5 = 150% etc.). 00354 00355 void startAnimationTimer(); 00356 00358 // Widgets behaviour // 00360 CAScrollBarVisibility _scrollBarVisible; // Are the scrollbars always visible/never/if needed. Use CAViewPort::ScrollBarAlwaysVisible, CAViewPort::ScrollBarAlwaysHidden or CAViewPort::ScrollBarShowIfNeeded. 00361 bool _allowManualScroll; // Does the scrollbars actually react on user actions - sometimes we only want the scrollbars to show the current location of the score and don't do anything 00362 00364 // Internal properties // 00366 double _oldWorldX, _oldWorldY, _oldWorldW, _oldWorldH; // Old coordinates used before the repaint. This is needed so only the new part of the viewport gets repainted when panning. 00367 bool _playing; // Set to on, when in Playback mode 00368 QTimer *_clickTimer; // Used for measuring doubleClick and tripleClick 00369 int _numberOfClicks; // Used for measuring doubleClick and tripleClick 00370 00371 double _xCursor, _yCursor; // Mouse cursor position in absolute world coords. 00372 bool _holdRepaint; // Flag to prevent multiple repaintings. 00373 bool _checkScrollBarsDeadLock; // Flag to prevent recursive checkScrollBars() calls. 00374 bool _hScrollBarDeadLock; // Flag to prevent recursive scrollbar calls when its value is manually changed. 00375 bool _vScrollBarDeadLock; // Flag to prevent recursive scrollbar calls when its value is manually changed. 00376 }; 00377 00378 #endif /*SCOREVIEWPORT_H_*/
1.8.0
