contrib/samples/ogl/studio/view.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        view.h
   3 // Purpose:     View-related classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     12/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _STUDIO_VIEW_H_
  13 #define _STUDIO_VIEW_H_
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16 // #pragma interface "view.h"
  17 #endif
  18
  19 #include "doc.h"
  20 #include <wx/ogl/ogl.h>
  21
  22 class csDiagramView;
  23 class csCanvas: public wxShapeCanvas
  24 {
  25 DECLARE_CLASS(csCanvas)
  26  public:
  27
  28   csCanvas(csDiagramView *view, wxWindow *parent = NULL, wxWindowID id = -1,
  29             const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
  30             long style = wxRETAINED);
  31   ~csCanvas(void);
  32
  33   void DrawOutline(wxDC& dc, double x1, double y1, double x2, double y2);
  34
  35   void OnMouseEvent(wxMouseEvent& event);
  36   void OnPaint(wxPaintEvent& event);
  37
  38   virtual void OnLeftClick(double x, double y, int keys = 0);
  39   virtual void OnRightClick(double x, double y, int keys = 0);
  40
  41   virtual void OnDragLeft(bool draw, double x, double y, int keys=0); // Erase if draw false
  42   virtual void OnBeginDragLeft(double x, double y, int keys=0);
  43   virtual void OnEndDragLeft(double x, double y, int keys=0);
  44
  45   virtual void OnDragRight(bool draw, double x, double y, int keys=0); // Erase if draw false
  46   virtual void OnBeginDragRight(double x, double y, int keys=0);
  47   virtual void OnEndDragRight(double x, double y, int keys=0);
  48
  49   inline csDiagramView*  GetView() const { return m_view; }
  50   inline void SetView(csDiagramView* view) { m_view = view; }
  51
  52  protected:
  53   csDiagramView*    m_view;
  54
  55 DECLARE_EVENT_TABLE()
  56 };
  57
  58 class csDiagramView: public wxView
  59 {
  60   DECLARE_DYNAMIC_CLASS(csDiagramView)
  61  public:
  62   csDiagramView(void) { canvas = NULL; frame = NULL; };
  63   ~csDiagramView(void);
  64
  65   bool OnCreate(wxDocument *doc, long flags);
  66   void OnDraw(wxDC *dc);
  67   void OnUpdate(wxView *sender, wxObject *hint = NULL);
  68   bool OnClose(bool deleteWindow = TRUE);
  69   void OnSelectAll(wxCommandEvent& event);
  70
  71   wxShape *FindFirstSelectedShape(void);
  72
  73   // Scans the canvas for selections (doesn't use m_selections)
  74   void FindSelectedShapes(wxList& selections, wxClassInfo* toFind = NULL);
  75
  76   // The selections in the order in which they were selected
  77   inline wxList& GetSelectionList() const { return (wxList&) m_selections; }
  78
  79   // Adds or removes shape from m_selections
  80   void SelectShape(wxShape* shape, bool select);
  81
  82   // Apply point size to current shapes
  83   void ApplyPointSize(int pointSize);
  84
  85   // Make the point size combobox reflect this
  86   void ReflectPointSize(int pointSize);
  87
  88   // Make the arrow toggle button reflect the state of the line
  89   void ReflectArrowState(wxLineShape* lineShape);
  90
  91   // Do a cut operation for the given list of shapes
  92   void DoCut(wxList& shapes);
  93
  94   // Do a general command
  95   void DoCmd(wxList& shapes, wxList& oldShapes, int cmd, const wxString& op);
  96
  97   // Select or deselect all
  98   void SelectAll(bool select = TRUE);
  99
 100 // Event handlers
 101   void OnCut(wxCommandEvent& event);
 102   void OnCopy(wxCommandEvent& event);
 103   void OnPaste(wxCommandEvent& event);
 104   void OnDuplicate(wxCommandEvent& event);
 105   void OnClear(wxCommandEvent& event);
 106   void OnChangeBackgroundColour(wxCommandEvent& event);
 107   void OnEditProperties(wxCommandEvent& event);
 108   void OnPointSizeComboSel(wxCommandEvent& event);
 109   void OnPointSizeComboText(wxCommandEvent& event);
 110   void OnToggleArrowTool(wxCommandEvent& event);
 111   void OnZoomSel(wxCommandEvent& event);
 112   void OnAlign(wxCommandEvent& event);
 113   void OnNewLinePoint(wxCommandEvent& event);
 114   void OnCutLinePoint(wxCommandEvent& event);
 115   void OnStraightenLines(wxCommandEvent& event);
 116
 117 // UI update handles
 118   void OnToggleArrowToolUpdate(wxUpdateUIEvent& event);
 119   void OnEditPropertiesUpdate(wxUpdateUIEvent& event);
 120   void OnCutUpdate(wxUpdateUIEvent& event);
 121   void OnClearUpdate(wxUpdateUIEvent& event);
 122   void OnCopyUpdate(wxUpdateUIEvent& event);
 123   void OnPasteUpdate(wxUpdateUIEvent& event);
 124   void OnDuplicateUpdate(wxUpdateUIEvent& event);
 125   void OnAlignUpdate(wxUpdateUIEvent& event);
 126   void OnNewLinePointUpdate(wxUpdateUIEvent& event);
 127   void OnCutLinePointUpdate(wxUpdateUIEvent& event);
 128   void OnStraightenLinesUpdate(wxUpdateUIEvent& event);
 129   void OnUndoUpdate(wxUpdateUIEvent& event);
 130   void OnRedoUpdate(wxUpdateUIEvent& event);
 131
 132 DECLARE_EVENT_TABLE()
 133
 134 public:
 135   wxFrame*      frame;
 136   csCanvas*     canvas;
 137   wxList        m_selections;
 138 };
 139
 140 #endif
 141     // _STUDIO_VIEW_H_