wxWidgets/contrib/include/wx/ogl/composit.h
2006-04-26 02:24:42 +00:00

236 lines
8.3 KiB
C++

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