samples/docview/view.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        samples/docview/view.h
   3 // Purpose:     View classes
   4 // Author:      Julian Smart
   5 // Modified by: Vadim Zeitlin: merge with the MDI version and general cleanup
   6 // Created:     04/01/98
   7 // Copyright:   (c) 1998 Julian Smart
   8 //              (c) 2008 Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_SAMPLES_DOCVIEW_VIEW_H_
  13 #define _WX_SAMPLES_DOCVIEW_VIEW_H_
  14
  15 #include "wx/docview.h"
  16
  17 // ----------------------------------------------------------------------------
  18 // Drawing view classes
  19 // ----------------------------------------------------------------------------
  20
  21 // The window showing the drawing itself
  22 class MyCanvas : public wxScrolledWindow
  23 {
  24 public:
  25     // view may be NULL if we're not associated with one yet, but parent must
  26     // be a valid pointer
  27     MyCanvas(wxView *view, wxWindow *parent = NULL);
  28     virtual ~MyCanvas();
  29
  30     virtual void OnDraw(wxDC& dc);
  31
  32     // in a normal multiple document application a canvas is associated with
  33     // one view from the beginning until the end, but to support the single
  34     // document mode in which all documents reuse the same MyApp::GetCanvas()
  35     // we need to allow switching the canvas from one view to another one
  36
  37     void SetView(wxView *view)
  38     {
  39         wxASSERT_MSG( !m_view, "shouldn't be already associated with a view" );
  40
  41         m_view = view;
  42     }
  43
  44     void ResetView()
  45     {
  46         wxASSERT_MSG( m_view, "should be associated with a view" );
  47
  48         m_view = NULL;
  49     }
  50
  51 private:
  52     void OnMouseEvent(wxMouseEvent& event);
  53
  54     wxView *m_view;
  55
  56     // the segment being currently drawn or NULL if none
  57     DoodleSegment *m_currentSegment;
  58
  59     // the last mouse press position
  60     wxPoint m_lastMousePos;
  61
  62     DECLARE_EVENT_TABLE()
  63 };
  64
  65 // The view using MyCanvas to show its contents
  66 class DrawingView : public wxView
  67 {
  68 public:
  69     DrawingView() : wxView(), m_canvas(NULL) {}
  70
  71     virtual bool OnCreate(wxDocument *doc, long flags);
  72     virtual void OnDraw(wxDC *dc);
  73     virtual void OnUpdate(wxView *sender, wxObject *hint = NULL);
  74     virtual bool OnClose(bool deleteWindow = true);
  75
  76     DrawingDocument* GetDocument();
  77
  78 private:
  79     void OnCut(wxCommandEvent& event);
  80
  81     MyCanvas *m_canvas;
  82
  83     DECLARE_EVENT_TABLE()
  84     DECLARE_DYNAMIC_CLASS(DrawingView)
  85 };
  86
  87 // ----------------------------------------------------------------------------
  88 // Text view classes
  89 // ----------------------------------------------------------------------------
  90
  91 // The view using a standard wxTextCtrl to show its contents
  92 class TextEditView : public wxView
  93 {
  94 public:
  95     TextEditView() : wxView(), m_text(NULL) {}
  96
  97     virtual bool OnCreate(wxDocument *doc, long flags);
  98     virtual void OnDraw(wxDC *dc);
  99     virtual bool OnClose(bool deleteWindow = true);
 100
 101     wxTextCtrl *GetText() const { return m_text; }
 102
 103 private:
 104     void OnCopy(wxCommandEvent& WXUNUSED(event)) { m_text->Copy(); }
 105     void OnPaste(wxCommandEvent& WXUNUSED(event)) { m_text->Paste(); }
 106     void OnSelectAll(wxCommandEvent& WXUNUSED(event)) { m_text->SelectAll(); }
 107
 108     wxTextCtrl *m_text;
 109
 110     DECLARE_EVENT_TABLE()
 111     DECLARE_DYNAMIC_CLASS(TextEditView)
 112 };
 113
 114 // ----------------------------------------------------------------------------
 115 // ImageCanvas
 116 // ----------------------------------------------------------------------------
 117
 118 class ImageCanvas : public wxScrolledWindow
 119 {
 120 public:
 121     ImageCanvas(wxView*);
 122
 123     virtual void OnDraw(wxDC& dc);
 124 private:
 125     wxView *m_view;
 126 };
 127
 128 // ----------------------------------------------------------------------------
 129 // ImageView
 130 // ----------------------------------------------------------------------------
 131
 132 class ImageView : public wxView
 133 {
 134 public:
 135     ImageView() : wxView() {}
 136
 137     virtual bool OnCreate(wxDocument*, long flags);
 138     virtual void OnDraw(wxDC*);
 139     virtual bool OnClose(bool deleteWindow = true);
 140     virtual void OnUpdate(wxView *sender, wxObject *hint = NULL);
 141
 142     ImageDocument* GetDocument();
 143
 144 private:
 145     ImageCanvas* m_canvas;
 146
 147     DECLARE_DYNAMIC_CLASS(ImageView)
 148 };
 149
 150 // ----------------------------------------------------------------------------
 151 // ImageDetailsView
 152 // ----------------------------------------------------------------------------
 153
 154 class ImageDetailsView : public wxView
 155 {
 156 public:
 157     ImageDetailsView(ImageDetailsDocument *doc);
 158
 159     virtual void OnDraw(wxDC *dc);
 160     virtual bool OnClose(bool deleteWindow);
 161
 162 private:
 163     wxFrame *m_frame;
 164
 165     wxDECLARE_NO_COPY_CLASS(ImageDetailsView);
 166 };
 167
 168 #endif // _WX_SAMPLES_DOCVIEW_VIEW_H_