269 lines
10 KiB
C++
269 lines
10 KiB
C++
#ifndef BLOCKVIEW_H
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#define BLOCKVIEW_H
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#include <QGraphicsView>
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#include <QGraphicsScene>
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#include <QPainter>
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#include <QPixmap>
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#include <QMouseEvent>
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#include <QDebug>
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#include <QTime>
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#include <QPropertyAnimation>
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#include "blockviewwavetrace.h"
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#include "blockbusitem.h"
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/// data:
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/// 1002 - flag for move parent (true)
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/// 1003 - flag for visualize selection (true)
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/// 1004 - BlockItemPin ("pin")
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/// 1005 - BlockBusItem ("connection")
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/// 1006 - BlockItem ("item")
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/// 1007 - BlockItem selection ("item_selection")
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/// 1008 - item is NOT decor, ignore for function decors() (true)
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/// 1009 - item is scene decor ("decor")
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/// 1010 - BlockItem decor (src text for QGraphicsSimpleTextItem)
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/// 1011 - item is BlockItem decor ("decor")
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/// 1100 - flag for correct move (true)
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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Q_DECLARE_METATYPE(BlockItem*)
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Q_DECLARE_METATYPE(BlockItemPin*)
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Q_DECLARE_METATYPE(BlockBusItem*)
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class BlockView: public QGraphicsView
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{
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Q_OBJECT
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Q_ENUMS(SelectionMode)
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Q_PROPERTY(bool gridVisible READ isGridVisible WRITE setGridVisible)
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Q_PROPERTY(bool snapToGrid READ isSnapToGrid WRITE setSnapToGrid)
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Q_PROPERTY(QPen gridPen READ gridPen WRITE setGridPen)
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Q_PROPERTY(double gridStep READ gridStep WRITE setGridStep)
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Q_PROPERTY(double gridPointsWidth READ gridPointsWidth WRITE setGridPointsWidth)
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Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)
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Q_PROPERTY(bool postMoveConnect READ isPostMoveConnectEnabled WRITE setPostMoveConnectEnabled)
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Q_PROPERTY(bool connectByMouse READ isConnectByMouseEnabled WRITE setConnectByMouseEnabled)
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Q_PROPERTY(bool navigationEnabled READ isNavigationEnabled WRITE setNavigationEnabled)
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Q_PROPERTY(bool navigateAnimationEnabled READ isNavigateAnimationEnabled WRITE setNavigateAnimationEnabled)
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Q_PROPERTY(bool blockAnimationEnabled READ isBlockAnimationEnabled WRITE setBlockAnimationEnabled)
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Q_PROPERTY(bool traceConsiderBuses READ isTraceConsiderBuses WRITE setTraceConsiderBuses)
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Q_PROPERTY(bool pinMulticonnect READ isPinMulticonnectEnabled WRITE setPinMulticonnectEnabled)
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Q_PROPERTY(bool miniMap READ isMiniMapEnabled WRITE setMiniMapEnabled)
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Q_PROPERTY(bool zoomWheelOnly READ isZoomWheelOnly WRITE setZoomWheelOnly)
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Q_PROPERTY(double _thumb READ _thumb WRITE _setThumb DESIGNABLE false SCRIPTABLE false)
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Q_PROPERTY(QRectF _nav READ _nav WRITE _setNav DESIGNABLE false SCRIPTABLE false)
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public:
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BlockView(QWidget * parent = 0);
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BlockView(QGraphicsScene * scene, QWidget * parent = 0);
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~BlockView();
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enum SelectionMode {
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NoSelection,
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SingleSelection,
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MultiSelection
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};
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QPen gridPen() const {return grid_pen;}
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bool isGridVisible() const {return grid_visible;}
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bool isSnapToGrid() const {return grid_snap;}
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bool isPostMoveConnectEnabled() const {return pm_connect;}
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bool isNavigationEnabled() const {return navigation;}
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bool isNavigateAnimationEnabled() const {return is_nav_anim;}
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bool isBlockAnimationEnabled() const {return is_block_anim;}
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bool isConnectByMouseEnabled() const {return m_connect;}
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bool isTraceConsiderBuses() const {return m_trace_with_buses;}
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bool isPinMulticonnectEnabled() const {return m_pin_mc;}
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bool isMiniMapEnabled() const {return minimap;}
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bool isZoomWheelOnly() const {return wheel_zoom;}
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double gridStep() const {return grid_step;}
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double gridPointsWidth() const {return grid_points;}
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SelectionMode selectionMode() const {return smode;}
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void setSelectionMode(SelectionMode mode) {smode = mode;}
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void addItems(QList<QGraphicsItem * > items) {foreach (QGraphicsItem * i, items) addItem(i);}
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QList<BlockBusItem * > buses() const;
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QList<BlockBusItem * > wrongConnectedBuses() const;
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QList<BlockItem * > blocks() const;
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QList<QGraphicsItem * > decors() const;
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BlockBusItem * connectionBus(BlockItem * b0, BlockItem * b1) const;
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QList<BlockBusItem * > connectionBuses(BlockItem * b0, BlockItem * b1) const;
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bool connectPins(BlockItemPin * p0, BlockItemPin * p1);
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QList<BlockItem * > selectedBlocks() const;
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QList<QGraphicsItem * > selectedDecors() const;
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void setTransform(const QTransform & matrix, bool combine = false);
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void centerOn(const QPointF & pos);
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void centerOn(qreal x, qreal y);
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void centerOn(const QGraphicsItem * item);
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void fitInView(const QRectF & rect, Qt::AspectRatioMode aspectRatioMode = Qt::IgnoreAspectRatio);
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void fitInView(qreal x, qreal y, qreal w, qreal h, Qt::AspectRatioMode aspectRatioMode = Qt::IgnoreAspectRatio);
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void fitInView(const QGraphicsItem * item, Qt::AspectRatioMode aspectRatioMode = Qt::IgnoreAspectRatio);
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void fitInView();
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QRectF itemsBoundingRect() const;
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protected:
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void _init();
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void _updateBack();
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bool event(QEvent * e);
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bool eventFilter(QObject * o, QEvent * e);
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void stopTimer(int & tid);
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void restartTimer(int & tid, int msecs);
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void timerEvent(QTimerEvent * e);
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void wheelEvent(QWheelEvent * e);
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void mousePressEvent(QMouseEvent * event);
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void mouseReleaseEvent(QMouseEvent * event);
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void mouseMoveEvent(QMouseEvent * event);
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void mouseDoubleClickEvent(QMouseEvent * event);
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void keyPressEvent(QKeyEvent * event);
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void keyReleaseEvent(QKeyEvent * e);
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void resizeEvent(QResizeEvent * event);
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void scrollContentsBy(int dx, int dy);
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void drawBackground(QPainter * painter, const QRectF & rect);
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void drawThumb();
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void drawSceneThumb();
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void thumbHide();
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void thumbShow();
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void restoreSelState();
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void saveSelState();
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void saveBusesState();
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void restoreBusesState();
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void applySelRect(QGraphicsSceneMouseEvent * me);
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void applyGridStep();
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void trace(QPointF scene_pos_from, QPointF scene_pos_to, BlockBusItem * bus, bool primary = true);
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void clearBusStates();
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void matchBus();
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bool connectTmpToBus(BlockBusItem* bus);
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void markPins(int bus_type);
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void unmarkPins(bool to_normal = false);
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void hoverAcceptedPin(BlockItemPin * pin, bool hover);
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void unhoverPins(BlockItemPin * excl_pin = 0);
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void simplifyBuses();
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void moveBuses(const QList<QGraphicsItem * > & items, QPointF dp);
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QList<BlockBusItem * > internalBuses(const QList<BlockItem * > & items);
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QList<BlockItemPin * > nearPins(BlockItemPin * pin, Qt::KeyboardModifiers km);
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BlockItemPin * getPin(const QList<QGraphicsItem * > & list) const;
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void highlightNearPins(BlockItemPin * pin, Qt::KeyboardModifiers km);
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void hideTmpBuses(bool clear = true);
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double _thumb() const {return _talpha;}
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QRectF _nav() const;
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void animateNav(QRectF d, double scl = 0.);
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void scrollFromThumb();
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void deleteCopyTemp();
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void emitActionEvent(BlockItemBase::Action action, QList<QGraphicsItem * > items);
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void setGhost(BlockItem * item);
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void clearGhost();
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BlockItem * ghost() const {return ghost_;}
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virtual void loadBus(BlockBusItem * bus) {}
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virtual void copyBlocks(QList<BlockItem * > items, QPointF offset) {}
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virtual void copyBuses(QList<BlockBusItem * > items, QPointF offset) {}
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virtual void newBusStarted(int bus_type) {}
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QGraphicsScene * scene_;
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QGraphicsRectItem sel_rect;
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QGraphicsItem * mm_ci;
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QList<QGraphicsItem * > sel_items;
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QList<BlockItem * > copy_items;
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QList<BlockItemPin * > last_multiconnect_pl;
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QList<BlockBusItem * > copy_buses, tmp_buses;
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BlockBusItem tmp_bus, * match_bus, * bus_from;
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BlockItemPin * hpin;
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BlockItem * ghost_;
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BlockViewWavetrace wavetrace;
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QPoint press_point, screen_point, thumb_press;
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QPointF scene_point, trace_from, last_trace_from, trace_to, copy_dp;
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QRect thumb_sr, thumb_vr;
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QRectF nav_target, nav_rect;
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QSizeF thumb_size;
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QPen grid_pen;
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SelectionMode smode;
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QImage im_scene;
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QWidget widget_thumb;
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Qt::KeyboardModifiers mm_mods;
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QPropertyAnimation thumb_anim, nav_anim;
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int timer_thumb, thumb_hide_delay, thick;
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bool mm_drag, new_bus, new_branch, moved, mm_cancel, iconnect, mm_copy, mm_thumb, ae_enabled, is_nav_anim, is_block_anim, move_bus_point;
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bool grid_visible, grid_snap, pm_connect, navigation, m_connect, m_trace_with_buses, m_pin_mc, minimap, prev_tcb, wheel_zoom;
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bool nav_prev_aa, nav_prev_imaa, nav_prev_grid;
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double grid_step, grid_points, cur_scl, _talpha, thumb_scl;
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double prev_app_scale;
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protected slots:
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void getPinMC(bool * v) {if (v) *v = m_pin_mc;}
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void adjustThumb();
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void newBranch(BlockBusItem * item);
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void newBranchTrace(BlockBusItem * item, QPointF to);
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void newBranchAccept(BlockBusItem * item);
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void newBranchCancel();
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void removedBus(QObject * o);
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void removedBlock(QObject * o);
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void removeJunk();
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void sceneSelectionChanged();
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void updateNavRect();
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void _setThumb(double v);
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void _setNav(QRectF v);
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void _navFinished();
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void startBusPointMove(int bus_type);
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void endBusPointMove();
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void pinHoverInOut(BlockItemPin * pin);
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void checkPaste(bool queued = false);
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public slots:
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void setGridPen(const QPen & pen) {grid_pen = pen; _updateBack();}
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void setGridVisible(bool yes) {grid_visible = yes; _updateBack();}
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void setSnapToGrid(bool yes) {grid_snap = yes;}
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void setGridStep(double step) {grid_step = step; applyGridStep(); _updateBack();}
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void setGridPointsWidth(double width_) {grid_points = width_; _updateBack();}
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void setPostMoveConnectEnabled(bool on) {pm_connect = on;}
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void setNavigationEnabled(bool on) {navigation = on;}
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void setNavigateAnimationEnabled(bool on) {is_nav_anim = on;}
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void setBlockAnimationEnabled(bool on) {is_block_anim = on;}
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void setConnectByMouseEnabled(bool on) {m_connect = on;}
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void setTraceConsiderBuses(bool on) {m_trace_with_buses = on;}
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void setPinMulticonnectEnabled(bool on) {m_pin_mc = on;}
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void setMiniMapEnabled(bool on) {minimap = on;}
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void setZoomWheelOnly(bool on) {wheel_zoom = on;}
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void zoom(double factor);
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void zoomIn() {zoom(1.2);}
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void zoomOut() {zoom(1. / 1.2);}
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void zoomReset();
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void copyToClipboard();
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void pasteFromClipboard();
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void reconnectAll();
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void selectNone();
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void selectAll();
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void removeSelected();
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void removeAll();
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void clearSelection();
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void addItem(QGraphicsItem * item, bool emit_action = true);
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signals:
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void blockDoubleClicked(BlockItem * );
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void blockHoverEnter(BlockItem * );
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void blockHoverLeave(BlockItem * );
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void busDoubleClicked(BlockBusItem * );
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void schemeAction(BlockItemBase::Action action, QList<QGraphicsItem * > items);
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void blockRemoved(BlockItem * item);
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void connectionsChanged();
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void copyEnabledChanged(bool);
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void pasteEnabledChanged(bool);
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // BLOCKVIEW_H
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