239 lines
8.2 KiB
C
239 lines
8.2 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: composit.h
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// Purpose: wxCompositeShape
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// Author: Julian Smart
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// Modified by:
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// Created: 12/07/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _OGL_COMPOSIT_H_
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#define _OGL_COMPOSIT_H_
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#ifdef __GNUG__
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#pragma interface "composit.h"
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#endif
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class wxDivisionShape;
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class wxOGLConstraint;
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/*
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* A composite object is an invisible rectangle surrounding all children
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*
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*/
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class wxCompositeShape: public wxRectangleShape
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{
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DECLARE_DYNAMIC_CLASS(wxCompositeShape)
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public:
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wxCompositeShape();
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~wxCompositeShape();
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void OnDraw(wxDC& dc);
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void OnDrawContents(wxDC& dc);
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void OnErase(wxDC& dc);
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bool OnMovePre(wxDC& dc, double x, double y, double oldX, double oldY, bool display = TRUE);
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void OnDragLeft(bool draw, double x, double y, int keys, int attachment = 0);
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void OnBeginDragLeft(double x, double y, int keys, int attachment = 0);
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void OnEndDragLeft(double x, double y, int keys, int attachment = 0);
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void OnRightClick(double x, double y, int keys, int attachment = 0);
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void SetSize(double w, double h, bool recursive = TRUE);
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// Returns TRUE if it settled down
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bool Recompute();
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// New members
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void AddChild(wxShape *child, wxShape *addAfter = NULL);
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void RemoveChild(wxShape *child);
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wxOGLConstraint *AddConstraint(wxOGLConstraint *constraint);
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wxOGLConstraint *AddConstraint(int type, wxShape *constraining, wxList& constrained);
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wxOGLConstraint *AddConstraint(int type, wxShape *constraining, wxShape *constrained);
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void DeleteConstraint(wxOGLConstraint *constraint);
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// Delete constraints that involve this child.
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void DeleteConstraintsInvolvingChild(wxShape *child);
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// Remove the image from any constraints involving it, but DON'T
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// remove any constraints.
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void RemoveChildFromConstraints(wxShape *child);
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// Find constraint, also returning actual composite the constraint was in,
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// in case it had to find it recursively.
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wxOGLConstraint *FindConstraint(long id, wxCompositeShape **actualComposite = NULL);
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// Returns TRUE if something changed
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bool Constrain();
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// Make this composite into a container by creating one wxDivisionShape
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void MakeContainer();
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// Calculates size and position of composite object based on children
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void CalculateSize();
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#ifdef PROLOGIO
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void WriteAttributes(wxExpr *clause);
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void ReadAttributes(wxExpr *clause);
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// In case the object has constraints it needs to read in in a different pass
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void ReadConstraints(wxExpr *clause, wxExprDatabase *database);
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#endif
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// Does the copying for this object
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void Copy(wxShape& copy);
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virtual wxDivisionShape *OnCreateDivision();
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// Finds the image used to visualize a container. This is any child
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// of the composite that is not in the divisions list.
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wxShape *FindContainerImage();
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// Returns TRUE if division is a descendant of this container
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bool ContainsDivision(wxDivisionShape *division);
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inline wxList& GetDivisions() const { return (wxList&) m_divisions; }
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inline wxList& GetConstraints() const { return (wxList&) m_constraints; }
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protected:
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double m_oldX;
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double m_oldY;
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wxList m_constraints;
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wxList m_divisions; // In case it's a container
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};
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/*
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* A division object is a composite with special properties,
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* to be used for containment. It's a subdivision of a container.
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* A containing node image consists of a composite with a main child shape
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* such as rounded rectangle, plus a list of division objects.
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* It needs to be a composite because a division contains pieces
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* of diagram.
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* NOTE a container has at least one wxDivisionShape for consistency.
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* This can be subdivided, so it turns into two objects, then each of
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* these can be subdivided, etc.
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*/
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#define DIVISION_SIDE_NONE 0
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#define DIVISION_SIDE_LEFT 1
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#define DIVISION_SIDE_TOP 2
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#define DIVISION_SIDE_RIGHT 3
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#define DIVISION_SIDE_BOTTOM 4
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class wxDivisionShape: public wxCompositeShape
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{
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DECLARE_DYNAMIC_CLASS(wxDivisionShape)
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public:
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wxDivisionShape();
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~wxDivisionShape();
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void OnDraw(wxDC& dc);
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void OnDrawContents(wxDC& dc);
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bool OnMovePre(wxDC& dc, double x, double y, double oldX, double oldY, bool display = TRUE);
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void OnDragLeft(bool draw, double x, double y, int keys, int attachment = 0);
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void OnBeginDragLeft(double x, double y, int keys, int attachment = 0);
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void OnEndDragLeft(double x, double y, int keys, int attachment = 0);
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void OnRightClick(double x, double y, int keys = 0, int attachment = 0);
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// Don't want this kind of composite to resize its subdiagrams, so
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// override composite's SetSize.
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void SetSize(double w, double h, bool recursive = TRUE);
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// Similarly for calculating size: it's fixed at whatever SetSize
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// set it to, not in terms of children.
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void CalculateSize();
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void MakeControlPoints();
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void ResetControlPoints();
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void MakeMandatoryControlPoints();
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void ResetMandatoryControlPoints();
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#ifdef PROLOGIO
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void WriteAttributes(wxExpr *clause);
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void ReadAttributes(wxExpr *clause);
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#endif
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// Does the copying for this object
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void Copy(wxShape& copy);
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// Divide horizontally (wxHORIZONTAL) or vertically (wxVERTICAL)
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bool Divide(int direction);
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// Resize adjoining divisions at the given side. If test is TRUE,
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// just see whether it's possible for each adjoining region,
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// returning FALSE if it's not.
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bool ResizeAdjoining(int side, double newPos, bool test);
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// Adjust a side, returning FALSE if it's not physically possible.
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bool AdjustLeft(double left, bool test);
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bool AdjustTop(double top, bool test);
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bool AdjustRight(double right, bool test);
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bool AdjustBottom(double bottom, bool test);
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// Edit style of left or top side
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void EditEdge(int side);
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// Popup menu
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void PopupMenu(double x, double y);
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inline void SetLeftSide(wxDivisionShape *shape) { m_leftSide = shape; }
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inline void SetTopSide(wxDivisionShape *shape) { m_topSide = shape; }
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inline void SetRightSide(wxDivisionShape *shape) { m_rightSide = shape; }
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inline void SetBottomSide(wxDivisionShape *shape) { m_bottomSide = shape; }
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inline wxDivisionShape *GetLeftSide() const { return m_leftSide; }
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inline wxDivisionShape *GetTopSide() const { return m_topSide; }
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inline wxDivisionShape *GetRightSide() const { return m_rightSide; }
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inline wxDivisionShape *GetBottomSide() const { return m_bottomSide; }
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inline void SetHandleSide(int side) { m_handleSide = side; }
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inline int GetHandleSide() const { return m_handleSide; }
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inline void SetLeftSidePen(wxPen *pen) { m_leftSidePen = pen; }
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inline wxPen *GetLeftSidePen() const { return m_leftSidePen; }
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inline void SetTopSidePen(wxPen *pen) { m_topSidePen = pen; }
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inline wxPen *GetTopSidePen() const { return m_topSidePen; }
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void SetLeftSideColour(const wxString& colour);
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void SetTopSideColour(const wxString& colour);
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void SetLeftSideStyle(const wxString& style);
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void SetTopSideStyle(const wxString& style);
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inline wxString GetLeftSideColour() const { return m_leftSideColour; }
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inline wxString GetTopSideColour() const { return m_topSideColour; }
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inline wxString GetLeftSideStyle() const { return m_leftSideStyle; }
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inline wxString GetTopSideStyle() const { return m_topSideStyle; }
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protected:
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// Adjoining divisions. NULL indicates edge
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// of container, and that side shouldn't be
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// drawn.
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wxDivisionShape* m_leftSide;
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wxDivisionShape* m_rightSide;
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wxDivisionShape* m_topSide;
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wxDivisionShape* m_bottomSide;
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int m_handleSide; // Side at which handle is legal
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wxPen* m_leftSidePen;
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wxPen* m_topSidePen;
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wxString m_leftSideColour;
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wxString m_topSideColour;
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wxString m_leftSideStyle;
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wxString m_topSideStyle;
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};
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#define DIVISION_MENU_SPLIT_HORIZONTALLY 1
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#define DIVISION_MENU_SPLIT_VERTICALLY 2
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#define DIVISION_MENU_EDIT_LEFT_EDGE 3
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#define DIVISION_MENU_EDIT_TOP_EDGE 4
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#define DIVISION_MENU_EDIT_RIGHT_EDGE 5
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#define DIVISION_MENU_EDIT_BOTTOM_EDGE 6
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#define DIVISION_MENU_DELETE_ALL 7
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#endif
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// _OGL_COMPOSIT_H_
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