contrib/samples/ogl/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 #if defined(__GNUG__) && !defined(__APPLE__)
  16 // #pragma interface
  17 #endif
  18
  19 #include <wx/docview.h>
  20 #include <wx/string.h>
  21 #include <wx/deprecated/setup.h>
  22 #include <wx/deprecated/wxexpr.h>
  23
  24 #include <wx/ogl/ogl.h>
  25 #include <wx/ogl/basicp.h>
  26 #include <wx/ogl/linesp.h>
  27 #include <wx/ogl/drawn.h>
  28
  29 class csDiagramDocument;
  30
  31 /*
  32  * Override a few members for this application
  33  */
  34
  35 class csDiagram: public wxDiagram
  36 {
  37 DECLARE_CLASS(csDiagram)
  38 public:
  39     csDiagram(csDiagramDocument* doc) { m_doc = doc; }
  40     ~csDiagram();
  41     bool OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  42     bool OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr);
  43
  44     inline csDiagramDocument* GetDocument() const { return m_doc; }
  45     virtual void Redraw(wxDC& dc);
  46
  47 protected:
  48     csDiagramDocument* m_doc;
  49 };
  50
  51 class wxDiagramClipboard: public wxDiagram
  52 {
  53 DECLARE_DYNAMIC_CLASS(wxDiagramClipboard)
  54 public:
  55     wxDiagramClipboard() {}
  56     ~wxDiagramClipboard() {}
  57
  58     // Copy selection to clipboard
  59     bool Copy(wxDiagram* diagram);
  60
  61     // Copy contents to the diagram, with new ids.
  62     // If dc is non-NULL, the pasted shapes will be selected.
  63     // The offsets are used to place the shapes at a different position
  64     // from the original (for example, for duplicating shapes).
  65     bool Paste(wxDiagram* diagram, wxDC* dc = NULL,
  66         int offsetX = 0, int offsetY = 0);
  67
  68 #ifdef __WXMSW__
  69     // Draw contents to a Windows metafile device context and bitmap, and then copy
  70     // to the Windows clipboard.
  71     bool CopyToClipboard(double scale);
  72 #endif
  73
  74 // Overridables
  75     // Start/end copying
  76     virtual bool OnStartCopy(wxDiagram* diagramTo) { return TRUE; };
  77     virtual bool OnEndCopy(wxDiagram* diagramTo) { return TRUE; };
  78
  79     // Override this to e.g. have the shape added through a Do/Undo command system.
  80     // By default, we'll just add it directly to the destination diagram, and
  81     // select the shape (if dc is non-NULL).
  82     virtual bool OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* dc);
  83
  84 protected:
  85     bool DoCopy(wxDiagram* diagramFrom, wxDiagram* diagramTo, bool newIds,
  86                     wxDC* dc, int offsetX = 0, int offsetY = 0);
  87
  88 };
  89
  90 class csDiagramCommand;
  91
  92 class csDiagramClipboard: public wxDiagramClipboard
  93 {
  94 DECLARE_DYNAMIC_CLASS(csDiagramClipboard)
  95 public:
  96     csDiagramClipboard() { m_currentCmd = NULL; }
  97     ~csDiagramClipboard() {}
  98
  99     // Start/end copying
 100     bool OnStartCopy(wxDiagram* diagramTo);
 101     bool OnEndCopy(wxDiagram* diagramTo);
 102
 103     bool OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* dc);
 104
 105 protected:
 106     csDiagramCommand*   m_currentCmd;
 107 };
 108
 109
 110 /*
 111  * The Studio shapes
 112  * N.B. TODO: these should really all have another constructor
 113  * for the ready-initialised shape, with the default one not having any
 114  * data. Otherwise when copying a shape, you have to delete the old data
 115  * first -> slightly less efficient. The initialised shapes are only required
 116  * for the first creation of the shape in the palette, everything else is copied.
 117  */
 118
 119 class csThinRectangleShape: public wxDrawnShape
 120 {
 121 DECLARE_DYNAMIC_CLASS(csThinRectangleShape)
 122 public:
 123     csThinRectangleShape();
 124 };
 125
 126 class csWideRectangleShape: public wxDrawnShape
 127 {
 128 DECLARE_DYNAMIC_CLASS(csWideRectangleShape)
 129 public:
 130     csWideRectangleShape();
 131 };
 132
 133 class csTriangleShape: public wxDrawnShape
 134 {
 135 DECLARE_DYNAMIC_CLASS(csTriangleShape)
 136 public:
 137     csTriangleShape();
 138 };
 139
 140 class csSemiCircleShape: public wxDrawnShape
 141 {
 142 DECLARE_DYNAMIC_CLASS(csSemiCircleShape)
 143 public:
 144     csSemiCircleShape();
 145 };
 146
 147 class csCircleShape: public wxCircleShape
 148 {
 149 DECLARE_DYNAMIC_CLASS(csCircleShape)
 150 public:
 151     csCircleShape();
 152 };
 153
 154 class csCircleShadowShape: public wxCircleShape
 155 {
 156 DECLARE_DYNAMIC_CLASS(csCircleShadowShape)
 157 public:
 158     csCircleShadowShape();
 159 };
 160
 161 class csOctagonShape: public wxPolygonShape
 162 {
 163 DECLARE_DYNAMIC_CLASS(csOctagonShape)
 164 public:
 165     csOctagonShape();
 166
 167     // The attachments are as if it's a rectangle
 168     bool GetAttachmentPosition(int attachment, double *x, double *y,
 169                                      int nth = 0, int no_arcs = 1, wxLineShape *line = NULL)
 170     { return wxShape::GetAttachmentPosition(attachment, x, y, nth, no_arcs, line); }
 171     int GetNumberOfAttachments() const
 172     { return wxShape::GetNumberOfAttachments(); }
 173     bool AttachmentIsValid(int attachment) const
 174     { return wxShape::AttachmentIsValid(attachment); }
 175 };
 176
 177 // This is a transparent shape for drawing around other shapes.
 178 class csGroupShape: public wxRectangleShape
 179 {
 180 DECLARE_DYNAMIC_CLASS(csGroupShape)
 181 public:
 182     csGroupShape();
 183
 184     void OnDraw(wxDC& dc);
 185     // Must modify the hit-test so it doesn't obscure shapes that are inside.
 186     bool HitTest(double x, double y, int* attachment, double* distance);
 187 };
 188
 189 class csTextBoxShape: public wxRectangleShape
 190 {
 191 DECLARE_DYNAMIC_CLASS(csTextBoxShape)
 192 public:
 193     csTextBoxShape();
 194 };
 195
 196 class csLineShape: public wxLineShape
 197 {
 198 DECLARE_DYNAMIC_CLASS(csLineShape)
 199 public:
 200     csLineShape();
 201
 202     virtual bool OnMoveMiddleControlPoint(wxDC& dc, wxLineControlPoint* lpt, const wxRealPoint& pt);
 203     wxLabelShape* OnCreateLabelShape(wxLineShape *parent = NULL, wxShapeRegion *region = NULL, double w = 0.0, double h = 0.0);
 204 };
 205
 206 /*
 207  * Temporary arc label object
 208  */
 209
 210 class csLabelShape: public wxLabelShape
 211 {
 212   DECLARE_DYNAMIC_CLASS(csLabelShape)
 213
 214  public:
 215   csLabelShape(wxLineShape *parent = NULL, wxShapeRegion *region = NULL, double w = 0.0, double h = 0.0);
 216
 217   void OnEndDragLeft(double x, double y, int keys=0, int attachment = 0);
 218 };
 219
 220 /*
 221  * All shape event behaviour is routed through this handler, so we don't
 222  * have to derive from each shape class. We plug this in to each shape.
 223  */
 224
 225 class csEvtHandler: public wxShapeEvtHandler
 226 {
 227  DECLARE_DYNAMIC_CLASS(csEvtHandler)
 228  public:
 229   csEvtHandler(wxShapeEvtHandler *prev = NULL, wxShape *shape = NULL, const wxString& lab = wxEmptyString);
 230   ~csEvtHandler();
 231
 232   void OnLeftClick(double x, double y, int keys = 0, int attachment = 0);
 233   void OnRightClick(double x, double y, int keys = 0, int attachment = 0);
 234   void OnBeginDragRight(double x, double y, int keys = 0, int attachment = 0);
 235   void OnDragRight(bool draw, double x, double y, int keys = 0, int attachment = 0);
 236   void OnEndDragRight(double x, double y, int keys = 0, int attachment = 0);
 237   void OnEndSize(double x, double y);
 238   void OnDragLeft(bool draw, double x, double y, int keys = 0, int attachment = 0);
 239   void OnBeginDragLeft(double x, double y, int keys = 0, int attachment = 0);
 240   void OnEndDragLeft(double x, double y, int keys = 0, int attachment = 0);
 241   void OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys = 0, int attachment = 0);
 242   void OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering);
 243
 244   void OnLeftDoubleClick(double x, double y, int keys = 0, int attachment = 0);
 245
 246   // Copy any event handler data
 247   virtual void CopyData(wxShapeEvtHandler& copy);
 248
 249   // Popup up a property dialog
 250   virtual bool EditProperties();
 251
 252 public:
 253   wxString m_label;
 254 };
 255
 256 class ShapeEditMenu: public wxMenu
 257 {
 258 public:
 259     ShapeEditMenu() {}
 260
 261     void OnCommand(wxCommandEvent& event);
 262
 263 DECLARE_EVENT_TABLE()
 264 };
 265
 266 extern void studioShapeEditProc(wxMenu& menu, wxCommandEvent& event);
 267
 268 #endif
 269   // _STUDIO_SHAPES_H_