utils/ogl/samples/studio/shapes.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        shapes.h
   3 // Purpose:     Shape classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     12/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _STUDIO_SHAPES_H_
  13 #define _STUDIO_SHAPES_H_
  14
  15 #ifdef __GNUG__
  16 // #pragma interface
  17 #endif
  18
  19 #include <wx/docview.h>
  20 #include <wx/string.h>
  21 #include <wx/wxexpr.h>
  22
  23 #include "ogl.h"
  24 #include "basicp.h"
  25 #include "linesp.h"
  26 #include "drawn.h"
  27
  28 class csDiagramDocument;
  29
  30 /*
  31  * Override a few members for this application
  32  */
  33
  34 class csDiagram: public wxDiagram
  35 {
  36 DECLARE_CLASS(csDiagram)
  37 public:
  38     csDiagram(csDiagramDocument* doc) { m_doc = doc; }
  39     ~csDiagram();
  40     bool OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  41     bool OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  42
  43     inline csDiagramDocument* GetDocument() const { return m_doc; }
  44     virtual void Redraw(wxDC& dc);
  45
  46 protected:
  47     csDiagramDocument* m_doc;
  48 };
  49
  50 class wxDiagramClipboard: public wxDiagram
  51 {
  52 DECLARE_DYNAMIC_CLASS(wxDiagramClipboard)
  53 public:
  54     wxDiagramClipboard() {}
  55     ~wxDiagramClipboard() {}
  56
  57     // Copy selection to clipboard
  58     bool Copy(wxDiagram* diagram);
  59
  60     // Copy contents to the diagram, with new ids.
  61     // If dc is non-NULL, the pasted shapes will be selected.
  62     // The offsets are used to place the shapes at a different position
  63     // from the original (for example, for duplicating shapes).
  64     bool Paste(wxDiagram* diagram, wxDC* dc = NULL,
  65         int offsetX = 0, int offsetY = 0);
  66
  67 #ifdef __WXMSW__
  68     // Draw contents to a Windows metafile device context and bitmap, and then copy
  69     // to the Windows clipboard.
  70     bool CopyToClipboard(double scale);
  71 #endif
  72
  73 // Overridables
  74     // Start/end copying
  75     virtual bool OnStartCopy(wxDiagram* diagramTo) { return TRUE; };
  76     virtual bool OnEndCopy(wxDiagram* diagramTo) { return TRUE; };
  77
  78     // Override this to e.g. have the shape added through a Do/Undo command system.
  79     // By default, we'll just add it directly to the destination diagram, and
  80     // select the shape (if dc is non-NULL).
  81     virtual bool OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* dc);
  82
  83 protected:
  84     bool DoCopy(wxDiagram* diagramFrom, wxDiagram* diagramTo, bool newIds,
  85                     wxDC* dc, int offsetX = 0, int offsetY = 0);
  86
  87 };
  88
  89 class csDiagramCommand;
  90
  91 class csDiagramClipboard: public wxDiagramClipboard
  92 {
  93 DECLARE_DYNAMIC_CLASS(csDiagramClipboard)
  94 public:
  95     csDiagramClipboard() { m_currentCmd = NULL; }
  96     ~csDiagramClipboard() {}
  97
  98     // Start/end copying
  99     bool OnStartCopy(wxDiagram* diagramTo);
 100     bool OnEndCopy(wxDiagram* diagramTo);
 101
 102     bool OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* dc);
 103
 104 protected:
 105     csDiagramCommand*   m_currentCmd;
 106 };
 107
 108
 109 /*
 110  * The Studio shapes
 111  * N.B. TODO: these should really all have another constructor
 112  * for the ready-initialised shape, with the default one not having any
 113  * data. Otherwise when copying a shape, you have to delete the old data
 114  * first -> slightly less efficient. The initialised shapes are only required
 115  * for the first creation of the shape in the palette, everything else is copied.
 116  */
 117
 118 class csThinRectangleShape: public wxDrawnShape
 119 {
 120 DECLARE_DYNAMIC_CLASS(csThinRectangleShape)
 121 public:
 122     csThinRectangleShape();
 123 };
 124
 125 class csWideRectangleShape: public wxDrawnShape
 126 {
 127 DECLARE_DYNAMIC_CLASS(csWideRectangleShape)
 128 public:
 129     csWideRectangleShape();
 130 };
 131
 132 class csTriangleShape: public wxDrawnShape
 133 {
 134 DECLARE_DYNAMIC_CLASS(csTriangleShape)
 135 public:
 136     csTriangleShape();
 137 };
 138
 139 class csSemiCircleShape: public wxDrawnShape
 140 {
 141 DECLARE_DYNAMIC_CLASS(csSemiCircleShape)
 142 public:
 143     csSemiCircleShape();
 144 };
 145
 146 class csCircleShape: public wxCircleShape
 147 {
 148 DECLARE_DYNAMIC_CLASS(csCircleShape)
 149 public:
 150     csCircleShape();
 151 };
 152
 153 class csCircleShadowShape: public wxCircleShape
 154 {
 155 DECLARE_DYNAMIC_CLASS(csCircleShadowShape)
 156 public:
 157     csCircleShadowShape();
 158 };
 159
 160 class csOctagonShape: public wxPolygonShape
 161 {
 162 DECLARE_DYNAMIC_CLASS(csOctagonShape)
 163 public:
 164     csOctagonShape();
 165
 166     // The attachments are as if it's a rectangle
 167     bool GetAttachmentPosition(int attachment, double *x, double *y,
 168                                      int nth = 0, int no_arcs = 1, wxLineShape *line = NULL)
 169     { return wxShape::GetAttachmentPosition(attachment, x, y, nth, no_arcs, line); }
 170     int GetNumberOfAttachments() const
 171     { return wxShape::GetNumberOfAttachments(); }
 172     bool AttachmentIsValid(int attachment) const
 173     { return wxShape::AttachmentIsValid(attachment); }
 174 };
 175
 176 // This is a transparent shape for drawing around other shapes.
 177 class csGroupShape: public wxRectangleShape
 178 {
 179 DECLARE_DYNAMIC_CLASS(csGroupShape)
 180 public:
 181     csGroupShape();
 182
 183     void OnDraw(wxDC& dc);
 184     // Must modify the hit-test so it doesn't obscure shapes that are inside.
 185     bool HitTest(double x, double y, int* attachment, double* distance);
 186 };
 187
 188 class csTextBoxShape: public wxRectangleShape
 189 {
 190 DECLARE_DYNAMIC_CLASS(csTextBoxShape)
 191 public:
 192     csTextBoxShape();
 193 };
 194
 195 class csLineShape: public wxLineShape
 196 {
 197 DECLARE_DYNAMIC_CLASS(csLineShape)
 198 public:
 199     csLineShape();
 200
 201     virtual bool OnMoveMiddleControlPoint(wxDC& dc, wxLineControlPoint* lpt, const wxRealPoint& pt);
 202     wxLabelShape* OnCreateLabelShape(wxLineShape *parent = NULL, wxShapeRegion *region = NULL, double w = 0.0, double h = 0.0);
 203 };
 204
 205 /*
 206  * Temporary arc label object
 207  */
 208
 209 class csLabelShape: public wxLabelShape
 210 {
 211   DECLARE_DYNAMIC_CLASS(csLabelShape)
 212
 213  public:
 214   csLabelShape(wxLineShape *parent = NULL, wxShapeRegion *region = NULL, double w = 0.0, double h = 0.0);
 215
 216   void OnEndDragLeft(double x, double y, int keys=0, int attachment = 0);
 217 };
 218
 219 /*
 220  * All shape event behaviour is routed through this handler, so we don't
 221  * have to derive from each shape class. We plug this in to each shape.
 222  */
 223
 224 class csEvtHandler: public wxShapeEvtHandler
 225 {
 226  DECLARE_DYNAMIC_CLASS(csEvtHandler)
 227  public:
 228   csEvtHandler(wxShapeEvtHandler *prev = NULL, wxShape *shape = NULL, const wxString& lab = "");
 229   ~csEvtHandler();
 230
 231   void OnLeftClick(double x, double y, int keys = 0, int attachment = 0);
 232   void OnRightClick(double x, double y, int keys = 0, int attachment = 0);
 233   void OnBeginDragRight(double x, double y, int keys = 0, int attachment = 0);
 234   void OnDragRight(bool draw, double x, double y, int keys = 0, int attachment = 0);
 235   void OnEndDragRight(double x, double y, int keys = 0, int attachment = 0);
 236   void OnEndSize(double x, double y);
 237   void OnDragLeft(bool draw, double x, double y, int keys = 0, int attachment = 0);
 238   void OnBeginDragLeft(double x, double y, int keys = 0, int attachment = 0);
 239   void OnEndDragLeft(double x, double y, int keys = 0, int attachment = 0);
 240   void OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys = 0, int attachment = 0);
 241   void OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering);
 242
 243   void OnLeftDoubleClick(double x, double y, int keys = 0, int attachment = 0);
 244
 245   // Copy any event handler data
 246   virtual void CopyData(wxShapeEvtHandler& copy);
 247
 248   // Popup up a property dialog
 249   virtual bool EditProperties();
 250
 251 public:
 252   wxString m_label;
 253 };
 254
 255 extern void studioShapeEditProc(wxMenu& menu, wxCommandEvent& event);
 256
 257 #endif
 258   // _STUDIO_SHAPES_H_