Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / samples / docview / view.h

diff --git a/samples/docview/view.h b/samples/docview/view.h
index 2826393da119165ce826b5190c901c97350cb39c..3ba84d88476509d50e0d2cd40a7ca42167b2690a 100644 (file)
--- a/samples/docview/view.h
+++ b/samples/docview/view.h
@@ -1,79 +1,169 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        view.h
+// Name:        samples/docview/view.h

 // Purpose:     View classes
 // Author:      Julian Smart
 // Purpose:     View classes
 // Author:      Julian Smart

-// Modified by:
+// Modified by: Vadim Zeitlin: merge with the MDI version and general cleanup

 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) 1998 Julian Smart
+//              (c) 2008 Vadim Zeitlin
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-// #pragma interface
-#endif
-
-#ifndef __VIEWSAMPLEH__
-#define __VIEWSAMPLEH__
+#ifndef _WX_SAMPLES_DOCVIEW_VIEW_H_
+#define _WX_SAMPLES_DOCVIEW_VIEW_H_

 
 #include "wx/docview.h"
 
 
 #include "wx/docview.h"
 

-class MyCanvas: public wxScrolledWindow
+// ----------------------------------------------------------------------------
+// Drawing view classes
+// ----------------------------------------------------------------------------
+
+// The window showing the drawing itself
+class MyCanvas : public wxScrolledWindow

 {
 public:
 {
 public:

-    wxView *view;
-    
-    MyCanvas(wxView *v, wxFrame *frame, const wxPoint& pos, const wxSize& size, const long style);
+    // view may be NULL if we're not associated with one yet, but parent must
+    // be a valid pointer
+    MyCanvas(wxView *view, wxWindow *parent = NULL);
+    virtual ~MyCanvas();
+

     virtual void OnDraw(wxDC& dc);
     virtual void OnDraw(wxDC& dc);

+
+    // in a normal multiple document application a canvas is associated with
+    // one view from the beginning until the end, but to support the single
+    // document mode in which all documents reuse the same MyApp::GetCanvas()
+    // we need to allow switching the canvas from one view to another one
+
+    void SetView(wxView *view)
+    {
+        wxASSERT_MSG( !m_view, "shouldn't be already associated with a view" );
+
+        m_view = view;
+    }
+
+    void ResetView()
+    {
+        wxASSERT_MSG( m_view, "should be associated with a view" );
+
+        m_view = NULL;
+    }
+
+private:

     void OnMouseEvent(wxMouseEvent& event);
     void OnMouseEvent(wxMouseEvent& event);

-    
+
+    wxView *m_view;
+
+    // the segment being currently drawn or NULL if none
+    DoodleSegment *m_currentSegment;
+
+    // the last mouse press position
+    wxPoint m_lastMousePos;
+

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 

-class MyTextWindow: public wxTextCtrl
+// The view using MyCanvas to show its contents
+class DrawingView : public wxView

 {
 public:
 {
 public:

-    wxView *view;
-    
-    MyTextWindow(wxView *v, wxFrame *frame, const wxPoint& pos, const wxSize& size, const long style);
-};
+    DrawingView() : wxView(), m_canvas(NULL) {}
+
+    virtual bool OnCreate(wxDocument *doc, long flags);
+    virtual void OnDraw(wxDC *dc);
+    virtual void OnUpdate(wxView *sender, wxObject *hint = NULL);
+    virtual bool OnClose(bool deleteWindow = true);
+
+    DrawingDocument* GetDocument();

 
 

-class DrawingView: public wxView
-{
-    DECLARE_DYNAMIC_CLASS(DrawingView)

 private:
 private:

-public:
-    wxFrame *frame;
-    MyCanvas *canvas;
-    
-    DrawingView(void) { canvas = (MyCanvas *) NULL; frame = (wxFrame *) NULL; };
-    ~DrawingView(void) {};
-    
-    bool OnCreate(wxDocument *doc, long flags);
-    void OnDraw(wxDC *dc);
-    void OnUpdate(wxView *sender, wxObject *hint = (wxObject *) NULL);
-    bool OnClose(bool deleteWindow = TRUE);
-    

     void OnCut(wxCommandEvent& event);
     void OnCut(wxCommandEvent& event);

-    
+
+    MyCanvas *m_canvas;
+

     DECLARE_EVENT_TABLE()
     DECLARE_EVENT_TABLE()

+    DECLARE_DYNAMIC_CLASS(DrawingView)

 };
 
 };
 

-class TextEditView: public wxView
+// ----------------------------------------------------------------------------
+// Text view classes
+// ----------------------------------------------------------------------------
+
+// The view using a standard wxTextCtrl to show its contents
+class TextEditView : public wxView

 {
 {

+public:
+    TextEditView() : wxView(), m_text(NULL) {}
+
+    virtual bool OnCreate(wxDocument *doc, long flags);
+    virtual void OnDraw(wxDC *dc);
+    virtual bool OnClose(bool deleteWindow = true);
+
+    wxTextCtrl *GetText() const { return m_text; }
+
+private:
+    void OnCopy(wxCommandEvent& WXUNUSED(event)) { m_text->Copy(); }
+    void OnPaste(wxCommandEvent& WXUNUSED(event)) { m_text->Paste(); }
+    void OnSelectAll(wxCommandEvent& WXUNUSED(event)) { m_text->SelectAll(); }
+
+    wxTextCtrl *m_text;
+
+    DECLARE_EVENT_TABLE()

     DECLARE_DYNAMIC_CLASS(TextEditView)
     DECLARE_DYNAMIC_CLASS(TextEditView)

+};
+
+// ----------------------------------------------------------------------------
+// ImageCanvas
+// ----------------------------------------------------------------------------
+
+class ImageCanvas : public wxScrolledWindow
+{
+public:
+    ImageCanvas(wxView*);
+
+    virtual void OnDraw(wxDC& dc);
+private:
+    wxView *m_view;
+};
+
+// ----------------------------------------------------------------------------
+// ImageView
+// ----------------------------------------------------------------------------
+
+class ImageView : public wxView
+{
+public:
+    ImageView() : wxView() {}
+
+    virtual bool OnCreate(wxDocument*, long flags);
+    virtual void OnDraw(wxDC*);
+    virtual bool OnClose(bool deleteWindow = true);
+    virtual void OnUpdate(wxView *sender, wxObject *hint = NULL);
+
+    ImageDocument* GetDocument();
+

 private:
 private:

+    ImageCanvas* m_canvas;
+
+    DECLARE_DYNAMIC_CLASS(ImageView)
+};
+
+// ----------------------------------------------------------------------------
+// ImageDetailsView
+// ----------------------------------------------------------------------------
+
+class ImageDetailsView : public wxView
+{

 public:
 public:

-    wxFrame *frame;
-    MyTextWindow *textsw;
-    
-    TextEditView(): wxView() { frame = (wxFrame *) NULL; textsw = (MyTextWindow *) NULL; }
-    ~TextEditView(void) {}
-    
-    bool OnCreate(wxDocument *doc, long flags);
-    void OnDraw(wxDC *dc);
-    void OnUpdate(wxView *sender, wxObject *hint = (wxObject *) NULL);
-    bool OnClose(bool deleteWindow = TRUE);
+    ImageDetailsView(ImageDetailsDocument *doc);
+
+    virtual void OnDraw(wxDC *dc);
+    virtual bool OnClose(bool deleteWindow);
+
+private:
+    wxFrame *m_frame;
+
+    wxDECLARE_NO_COPY_CLASS(ImageDetailsView);

 };
 
 };
 

-#endif
+#endif // _WX_SAMPLES_DOCVIEW_VIEW_H_