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shapes.h
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C/C++ Source or Header
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2002-09-07
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8KB
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269 lines
/////////////////////////////////////////////////////////////////////////////
// Name: shapes.h
// Purpose: Shape classes
// Author: Julian Smart
// Modified by:
// Created: 12/07/98
// RCS-ID: $Id: shapes.h,v 1.2 2002/09/07 12:12:22 GD Exp $
// Copyright: (c) Julian Smart
// Licence:
/////////////////////////////////////////////////////////////////////////////
#ifndef _STUDIO_SHAPES_H_
#define _STUDIO_SHAPES_H_
#if defined(__GNUG__) && !defined(__APPLE__)
// #pragma interface
#endif
#include <wx/docview.h>
#include <wx/string.h>
#include <wx/wxexpr.h>
#include <wx/ogl/ogl.h>
#include <wx/ogl/basicp.h>
#include <wx/ogl/linesp.h>
#include <wx/ogl/drawn.h>
class csDiagramDocument;
/*
* Override a few members for this application
*/
class csDiagram: public wxDiagram
{
DECLARE_CLASS(csDiagram)
public:
csDiagram(csDiagramDocument* doc) { m_doc = doc; }
~csDiagram();
bool OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
bool OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
inline csDiagramDocument* GetDocument() const { return m_doc; }
virtual void Redraw(wxDC& dc);
protected:
csDiagramDocument* m_doc;
};
class wxDiagramClipboard: public wxDiagram
{
DECLARE_DYNAMIC_CLASS(wxDiagramClipboard)
public:
wxDiagramClipboard() {}
~wxDiagramClipboard() {}
// Copy selection to clipboard
bool Copy(wxDiagram* diagram);
// Copy contents to the diagram, with new ids.
// If dc is non-NULL, the pasted shapes will be selected.
// The offsets are used to place the shapes at a different position
// from the original (for example, for duplicating shapes).
bool Paste(wxDiagram* diagram, wxDC* dc = NULL,
int offsetX = 0, int offsetY = 0);
#ifdef __WXMSW__
// Draw contents to a Windows metafile device context and bitmap, and then copy
// to the Windows clipboard.
bool CopyToClipboard(double scale);
#endif
// Overridables
// Start/end copying
virtual bool OnStartCopy(wxDiagram* diagramTo) { return TRUE; };
virtual bool OnEndCopy(wxDiagram* diagramTo) { return TRUE; };
// Override this to e.g. have the shape added through a Do/Undo command system.
// By default, we'll just add it directly to the destination diagram, and
// select the shape (if dc is non-NULL).
virtual bool OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* dc);
protected:
bool DoCopy(wxDiagram* diagramFrom, wxDiagram* diagramTo, bool newIds,
wxDC* dc, int offsetX = 0, int offsetY = 0);
};
class csDiagramCommand;
class csDiagramClipboard: public wxDiagramClipboard
{
DECLARE_DYNAMIC_CLASS(csDiagramClipboard)
public:
csDiagramClipboard() { m_currentCmd = NULL; }
~csDiagramClipboard() {}
// Start/end copying
bool OnStartCopy(wxDiagram* diagramTo);
bool OnEndCopy(wxDiagram* diagramTo);
bool OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* dc);
protected:
csDiagramCommand* m_currentCmd;
};
/*
* The Studio shapes
* N.B. TODO: these should really all have another constructor
* for the ready-initialised shape, with the default one not having any
* data. Otherwise when copying a shape, you have to delete the old data
* first -> slightly less efficient. The initialised shapes are only required
* for the first creation of the shape in the palette, everything else is copied.
*/
class csThinRectangleShape: public wxDrawnShape
{
DECLARE_DYNAMIC_CLASS(csThinRectangleShape)
public:
csThinRectangleShape();
};
class csWideRectangleShape: public wxDrawnShape
{
DECLARE_DYNAMIC_CLASS(csWideRectangleShape)
public:
csWideRectangleShape();
};
class csTriangleShape: public wxDrawnShape
{
DECLARE_DYNAMIC_CLASS(csTriangleShape)
public:
csTriangleShape();
};
class csSemiCircleShape: public wxDrawnShape
{
DECLARE_DYNAMIC_CLASS(csSemiCircleShape)
public:
csSemiCircleShape();
};
class csCircleShape: public wxCircleShape
{
DECLARE_DYNAMIC_CLASS(csCircleShape)
public:
csCircleShape();
};
class csCircleShadowShape: public wxCircleShape
{
DECLARE_DYNAMIC_CLASS(csCircleShadowShape)
public:
csCircleShadowShape();
};
class csOctagonShape: public wxPolygonShape
{
DECLARE_DYNAMIC_CLASS(csOctagonShape)
public:
csOctagonShape();
// The attachments are as if it's a rectangle
bool GetAttachmentPosition(int attachment, double *x, double *y,
int nth = 0, int no_arcs = 1, wxLineShape *line = NULL)
{ return wxShape::GetAttachmentPosition(attachment, x, y, nth, no_arcs, line); }
int GetNumberOfAttachments() const
{ return wxShape::GetNumberOfAttachments(); }
bool AttachmentIsValid(int attachment) const
{ return wxShape::AttachmentIsValid(attachment); }
};
// This is a transparent shape for drawing around other shapes.
class csGroupShape: public wxRectangleShape
{
DECLARE_DYNAMIC_CLASS(csGroupShape)
public:
csGroupShape();
void OnDraw(wxDC& dc);
// Must modify the hit-test so it doesn't obscure shapes that are inside.
bool HitTest(double x, double y, int* attachment, double* distance);
};
class csTextBoxShape: public wxRectangleShape
{
DECLARE_DYNAMIC_CLASS(csTextBoxShape)
public:
csTextBoxShape();
};
class csLineShape: public wxLineShape
{
DECLARE_DYNAMIC_CLASS(csLineShape)
public:
csLineShape();
virtual bool OnMoveMiddleControlPoint(wxDC& dc, wxLineControlPoint* lpt, const wxRealPoint& pt);
wxLabelShape* OnCreateLabelShape(wxLineShape *parent = NULL, wxShapeRegion *region = NULL, double w = 0.0, double h = 0.0);
};
/*
* Temporary arc label object
*/
class csLabelShape: public wxLabelShape
{
DECLARE_DYNAMIC_CLASS(csLabelShape)
public:
csLabelShape(wxLineShape *parent = NULL, wxShapeRegion *region = NULL, double w = 0.0, double h = 0.0);
void OnEndDragLeft(double x, double y, int keys=0, int attachment = 0);
};
/*
* All shape event behaviour is routed through this handler, so we don't
* have to derive from each shape class. We plug this in to each shape.
*/
class csEvtHandler: public wxShapeEvtHandler
{
DECLARE_DYNAMIC_CLASS(csEvtHandler)
public:
csEvtHandler(wxShapeEvtHandler *prev = NULL, wxShape *shape = NULL, const wxString& lab = "");
~csEvtHandler();
void OnLeftClick(double x, double y, int keys = 0, int attachment = 0);
void OnRightClick(double x, double y, int keys = 0, int attachment = 0);
void OnBeginDragRight(double x, double y, int keys = 0, int attachment = 0);
void OnDragRight(bool draw, double x, double y, int keys = 0, int attachment = 0);
void OnEndDragRight(double x, double y, int keys = 0, int attachment = 0);
void OnEndSize(double x, double y);
void OnDragLeft(bool draw, double x, double y, int keys = 0, int attachment = 0);
void OnBeginDragLeft(double x, double y, int keys = 0, int attachment = 0);
void OnEndDragLeft(double x, double y, int keys = 0, int attachment = 0);
void OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys = 0, int attachment = 0);
void OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering);
void OnLeftDoubleClick(double x, double y, int keys = 0, int attachment = 0);
// Copy any event handler data
virtual void CopyData(wxShapeEvtHandler& copy);
// Popup up a property dialog
virtual bool EditProperties();
public:
wxString m_label;
};
class ShapeEditMenu: public wxMenu
{
public:
ShapeEditMenu() {}
void OnCommand(wxCommandEvent& event);
DECLARE_EVENT_TABLE()
};
extern void studioShapeEditProc(wxMenu& menu, wxCommandEvent& event);
#endif
// _STUDIO_SHAPES_H_