Bakefile 0.2.8 rebake.

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

diff --git a/samples/docview/view.cpp b/samples/docview/view.cpp
index 15784e23f61a3041efdbd79099548e1986c95f14..d454e56554600d29ff16b74322ad3f121768fa97 100644 (file)
--- a/samples/docview/view.cpp
+++ b/samples/docview/view.cpp
@@ -1,284 +1,368 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        view.cpp
-// Purpose:     View classes
+// Name:        samples/docview/view.cpp
+// Purpose:     View classes implementation

 // Author:      Julian Smart
 // 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 license

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

-#ifdef __GNUG__
-// #pragma implementation
-#endif
-

 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

-#include "wx/wx.h"
+    #include "wx/wx.h"

 #endif
 
 #endif
 

-#if !USE_DOC_VIEW_ARCHITECTURE
-#error You must set USE_DOC_VIEW_ARCHITECTURE to 1 in wx_setup.h!
+#if !wxUSE_DOC_VIEW_ARCHITECTURE
+    #error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in setup.h!

 #endif
 
 #include "docview.h"
 #include "doc.h"
 #include "view.h"
 
 #endif
 
 #include "docview.h"
 #include "doc.h"
 #include "view.h"
 

-IMPLEMENT_DYNAMIC_CLASS(DrawingView, wxView)
+// ----------------------------------------------------------------------------
+// DrawingView implementation
+// ----------------------------------------------------------------------------

 
 

-// For drawing lines in a canvas
-float xpos = -1;
-float ypos = -1;
+IMPLEMENT_DYNAMIC_CLASS(DrawingView, wxView)

 
 BEGIN_EVENT_TABLE(DrawingView, wxView)
 
 BEGIN_EVENT_TABLE(DrawingView, wxView)

-    EVT_MENU(DOODLE_CUT, DrawingView::OnCut)
+    EVT_MENU(wxID_CUT, DrawingView::OnCut)

 END_EVENT_TABLE()
 
 // What to do when a view is created. Creates actual
 // windows for displaying the view.
 END_EVENT_TABLE()
 
 // What to do when a view is created. Creates actual
 // windows for displaying the view.

-bool DrawingView::OnCreate(wxDocument *doc, long flags)
+bool DrawingView::OnCreate(wxDocument *doc, long WXUNUSED(flags) )

 {
 {

-  if (!singleWindowMode)
-  {
-    // Multiple windows
-    frame = wxGetApp().CreateChildFrame(doc, this, TRUE);
-    frame->SetTitle("DrawingView");
-
-    canvas = GetMainFrame()->CreateCanvas(this, frame);
-#ifdef __X__
-    // X seems to require a forced resize
-    int x, y;
-    frame->GetSize(&x, &y);
-    frame->SetSize(x, y);
-#endif
-    frame->Show(TRUE);
-  }
-  else
-  {
-    // Single-window mode
-    frame = GetMainFrame();
-    canvas = GetMainFrame()->canvas;
-    canvas->view = this;
-
-    // Associate the appropriate frame with this view.
-    SetFrame(frame);
-
-    // Make sure the document manager knows that this is the
-    // current view.
-    Activate(TRUE);
-
-    // Initialize the edit menu Undo and Redo items
-    doc->GetCommandProcessor()->SetEditMenu(((MyFrame *)frame)->editMenu);
-    doc->GetCommandProcessor()->Initialize();
-  }
-
-  return TRUE;
+    MyApp& app = wxGetApp();
+    if ( app.GetMode() != MyApp::Mode_Single )
+    {
+        // create a new window and canvas inside it
+        m_frame = app.CreateChildFrame(doc, this, true);
+        m_frame->SetTitle("Drawing View");
+
+        m_canvas = new MyCanvas(this, m_frame);
+        m_frame->Show(true);
+    }
+    else // single document mode
+    {
+        // reuse the existing window and canvas
+        m_frame = wxStaticCast(app.GetTopWindow(), wxFrame);
+        m_canvas = app.GetMainWindowCanvas();
+        m_canvas->SetView(this);
+
+        // Associate the appropriate frame with this view.
+        SetFrame(m_frame);
+
+        // Make sure the document manager knows that this is the
+        // current view.
+        Activate(true);
+
+        // Initialize the edit menu Undo and Redo items
+        doc->GetCommandProcessor()->SetEditMenu(app.GetMainWindowEditMenu());
+        doc->GetCommandProcessor()->Initialize();
+    }
+
+    return true;

 }
 
 }
 

-// Sneakily gets used for default print/preview
-// as well as drawing on the screen.
+// Sneakily gets used for default print/preview as well as drawing on the
+// screen.

 void DrawingView::OnDraw(wxDC *dc)
 {
 void DrawingView::OnDraw(wxDC *dc)
 {

-  dc->SetFont(*wxNORMAL_FONT);
-  dc->SetPen(*wxBLACK_PEN);
-
-  wxNode *node = ((DrawingDocument *)GetDocument())->GetDoodleSegments().First();
-  while (node)
-  {
-    DoodleSegment *seg = (DoodleSegment *)node->Data();
-    seg->Draw(dc);
-    node = node->Next();
-  }
-}
+    dc->SetPen(*wxBLACK_PEN);

 
 

-void DrawingView::OnUpdate(wxView *sender, wxObject *hint)
-{
-  if (canvas)
-    canvas->Refresh();
-
-/* Is the following necessary?
-#ifdef __WXMSW__
-  if (canvas)
-    canvas->Refresh();
-#else
-  if (canvas)
+    // simply draw all lines of all segments
+    const DoodleSegments& segments = GetDocument()->GetSegments();
+    for ( DoodleSegments::const_iterator i = segments.begin();
+          i != segments.end();
+          ++i )

     {
     {

-      wxClientDC dc(canvas);
-      dc.Clear();
-      OnDraw(& dc);
+        const DoodleLines& lines = i->GetLines();
+        for ( DoodleLines::const_iterator j = lines.begin(); 
+              j != lines.end();
+              ++j )
+        {
+            const DoodleLine& line = *j;
+
+            dc->DrawLine(line.x1, line.y1, line.x2, line.y2);
+        }

     }
     }

-#endif
-*/
+}
+
+DrawingDocument* DrawingView::GetDocument()
+{
+    return wxStaticCast(wxView::GetDocument(), DrawingDocument);
+}
+
+void DrawingView::OnUpdate(wxView* sender, wxObject* hint)
+{
+    wxView::OnUpdate(sender, hint);
+    if ( m_canvas )
+        m_canvas->Refresh();

 }
 
 // Clean up windows used for displaying the view.
 bool DrawingView::OnClose(bool deleteWindow)
 {
 }
 
 // Clean up windows used for displaying the view.
 bool DrawingView::OnClose(bool deleteWindow)
 {

-  if (!GetDocument()->Close())
-    return FALSE;
-
-  // Clear the canvas in  case we're in single-window mode,
-  // and the canvas stays.
-  canvas->Clear();
-  canvas->view = NULL;
-  canvas = NULL;
-
-  wxString s(wxTheApp->GetAppName());
-  if (frame)
-    frame->SetTitle(s);
-
-  SetFrame(NULL);
-
-  Activate(FALSE);
-  
-  if (deleteWindow && !singleWindowMode)
-  {
-    delete frame;
-    return TRUE;
-  }
-  return TRUE;
+    if ( !GetDocument()->Close() )
+        return false;
+
+    Activate(false);
+
+    // Clear the canvas in single-window mode in which it stays alive
+    if ( wxGetApp().GetMode() == MyApp::Mode_Single )
+    {
+        m_canvas->ClearBackground();
+        m_canvas->ResetView();
+        m_canvas = NULL;
+
+        if ( m_frame )
+            m_frame->SetTitle(wxTheApp->GetAppDisplayName());
+    }
+    else // not single window mode
+    {
+        if ( deleteWindow )
+            wxDELETE(m_frame);
+    }
+
+    SetFrame(NULL);
+
+    return true;

 }
 
 }
 

-void DrawingView::OnCut(wxCommandEvent& event)
+void DrawingView::OnCut(wxCommandEvent& WXUNUSED(event) )

 {
 {

-    DrawingDocument *doc = (DrawingDocument *)GetDocument();
-    doc->GetCommandProcessor()->Submit(new DrawingCommand("Cut Last Segment", DOODLE_CUT, doc, NULL));
+    DrawingDocument * const doc = GetDocument();
+
+    doc->GetCommandProcessor()->Submit(new DrawingRemoveSegmentCommand(doc));

 }
 
 }
 

+// ----------------------------------------------------------------------------
+// TextEditView implementation
+// ----------------------------------------------------------------------------
+

 IMPLEMENT_DYNAMIC_CLASS(TextEditView, wxView)
 
 IMPLEMENT_DYNAMIC_CLASS(TextEditView, wxView)
 

-bool TextEditView::OnCreate(wxDocument *doc, long flags)
+BEGIN_EVENT_TABLE(TextEditView, wxView)
+    EVT_MENU(wxID_COPY, TextEditView::OnCopy)
+    EVT_MENU(wxID_PASTE, TextEditView::OnPaste)
+    EVT_MENU(wxID_SELECTALL, TextEditView::OnSelectAll)
+END_EVENT_TABLE()
+
+bool TextEditView::OnCreate(wxDocument *doc, long WXUNUSED(flags))

 {
 {

-  frame = wxGetApp().CreateChildFrame(doc, this, FALSE);
-
-  int width, height;
-  frame->GetClientSize(&width, &height);
-  textsw = new MyTextWindow(this, frame, wxPoint(0, 0), wxSize(width, height), wxTE_MULTILINE);
-  frame->SetTitle("TextEditView");
-
-#ifdef __X__
-  // X seems to require a forced resize
-  int x, y;
-  frame->GetSize(&x, &y);
-  frame->SetSize(x, y);
-#endif
+    m_frame = wxGetApp().CreateChildFrame(doc, this, false);
+    m_text = new wxTextCtrl(m_frame, wxID_ANY, "",
+                            wxPoint(0, 0), m_frame->GetClientSize(),
+                            wxTE_MULTILINE);

 
 

-  frame->Show(TRUE);
-  Activate(TRUE);
-  
-  return TRUE;
-}
+    m_frame->SetTitle("Text View");
+    m_frame->Show(true);

 
 

-// Handled by wxTextWindow
-void TextEditView::OnDraw(wxDC *dc)
-{
+    Activate(true);
+
+    return true;

 }
 
 }
 

-void TextEditView::OnUpdate(wxView *sender, wxObject *hint)
+void TextEditView::OnDraw(wxDC *WXUNUSED(dc))

 {
 {

+    // nothing to do here, wxTextCtrl draws itself

 }
 
 bool TextEditView::OnClose(bool deleteWindow)
 {
 }
 
 bool TextEditView::OnClose(bool deleteWindow)
 {

-  if (!GetDocument()->Close())
-    return FALSE;
-    
-  Activate(FALSE);
-
-  if (deleteWindow)
-  {
-    delete frame;
-    return TRUE;
-  }
-  return TRUE;
+    if ( !GetDocument()->Close() )
+        return false;
+
+    Activate(false);
+
+    if ( wxGetApp().GetMode() == MyApp::Mode_Single )
+    {
+        m_text->Clear();
+    }
+    else // not single window mode
+    {
+        if ( deleteWindow )
+            wxDELETE(m_frame);
+    }
+
+    return true;

 }
 
 }
 

-/*
- * Window implementations
- */
+// ----------------------------------------------------------------------------
+// MyCanvas implementation
+// ----------------------------------------------------------------------------

 
 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
     EVT_MOUSE_EVENTS(MyCanvas::OnMouseEvent)
 END_EVENT_TABLE()
 
 // Define a constructor for my canvas
 
 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
     EVT_MOUSE_EVENTS(MyCanvas::OnMouseEvent)
 END_EVENT_TABLE()
 
 // Define a constructor for my canvas

-MyCanvas::MyCanvas(wxView *v, wxFrame *frame, const wxPoint& pos, const wxSize& size, const long style):
- wxScrolledWindow(frame, -1, pos, size, style)
+MyCanvas::MyCanvas(wxView *view, wxWindow *parent)
+    : wxScrolledWindow(parent, wxID_ANY, wxPoint(0, 0), parent->GetClientSize())

 {
 {

-  view = v;
+    m_view = view;
+    m_currentSegment = NULL;
+    m_lastMousePos = wxDefaultPosition;
+
+    SetCursor(wxCursor(wxCURSOR_PENCIL));
+
+    // this is completely arbitrary and is done just for illustration purposes
+    SetVirtualSize(1000, 1000);
+    SetScrollRate(20, 20);
+
+    SetBackgroundColour(*wxWHITE);
+}
+
+MyCanvas::~MyCanvas()
+{
+    delete m_currentSegment;

 }
 
 // Define the repainting behaviour
 void MyCanvas::OnDraw(wxDC& dc)
 {
 }
 
 // Define the repainting behaviour
 void MyCanvas::OnDraw(wxDC& dc)
 {

-  if (view)
-    view->OnDraw(& dc);
+    if ( m_view )
+        m_view->OnDraw(& dc);

 }
 
 }
 

-// This implements a tiny doodling program. Drag the mouse using
-// the left button.
+// This implements a tiny doodling program. Drag the mouse using the left
+// button.

 void MyCanvas::OnMouseEvent(wxMouseEvent& event)
 {
 void MyCanvas::OnMouseEvent(wxMouseEvent& event)
 {

-  if (!view)
-    return;
-    
-  static DoodleSegment *currentSegment = NULL;
+    if ( !m_view )
+        return;

 
 

-  wxClientDC dc(this);
-  PrepareDC(dc);
+    wxClientDC dc(this);
+    PrepareDC(dc);

 
 

-  dc.SetPen(*wxBLACK_PEN);
+    dc.SetPen(*wxBLACK_PEN);

 
 

-  wxPoint pt(event.GetLogicalPosition(dc));
+    const wxPoint pt(event.GetLogicalPosition(dc));

 
 

-  if (currentSegment && event.LeftUp())
-  {
-    if (currentSegment->lines.Number() == 0)
+    // is this the end of the current segment?
+    if ( m_currentSegment && event.LeftUp() )

     {
     {

-      delete currentSegment;
-      currentSegment = NULL;
+        if ( !m_currentSegment->IsEmpty() )
+        {
+            // We've got a valid segment on mouse left up, so store it.
+            DrawingDocument * const
+                doc = wxStaticCast(m_view->GetDocument(), DrawingDocument);
+
+            doc->GetCommandProcessor()->Submit(
+                new DrawingAddSegmentCommand(doc, *m_currentSegment));
+
+            doc->Modify(true);
+        }
+
+        delete m_currentSegment;
+        m_currentSegment = NULL;

     }
     }

-    else
+
+    // is this the start of a new segment?
+    if ( m_lastMousePos != wxDefaultPosition && event.Dragging() )

     {
     {

-      // We've got a valid segment on mouse left up, so store it.
-      DrawingDocument *doc = (DrawingDocument *)view->GetDocument();
+        if ( !m_currentSegment )
+            m_currentSegment = new DoodleSegment;

 
 

-      doc->GetCommandProcessor()->Submit(new DrawingCommand("Add Segment", DOODLE_ADD, doc, currentSegment));
+        m_currentSegment->AddLine(m_lastMousePos, pt);

 
 

-      view->GetDocument()->Modify(TRUE);
-      currentSegment = NULL;
+        dc.DrawLine(m_lastMousePos, pt);

     }
     }

-  }
-  
-  if (xpos > -1 && ypos > -1 && event.Dragging())
-  {
-    if (!currentSegment)
-      currentSegment = new DoodleSegment;
-
-    DoodleLine *newLine = new DoodleLine;
-    newLine->x1 = xpos; newLine->y1 = ypos;
-    newLine->x2 = pt.x; newLine->y2 = pt.y;
-    currentSegment->lines.Append(newLine);
-    
-    dc.DrawLine(xpos, ypos, pt.x, pt.y);
-  }
-  xpos = pt.x;
-  ypos = pt.y;
+
+    m_lastMousePos = pt;
+}
+
+// ----------------------------------------------------------------------------
+// wxImageCanvas implementation
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(wxImageCanvas, wxScrolledWindow)
+END_EVENT_TABLE()
+
+// Define a constructor for my canvas
+wxImageCanvas::wxImageCanvas(wxView* view, wxWindow* parent)
+    : wxScrolledWindow(parent, wxID_ANY, wxPoint(0, 0), parent->GetClientSize())
+{
+    m_view = view;

 }
 
 }
 

-// Define a constructor for my text subwindow
-MyTextWindow::MyTextWindow(wxView *v, wxFrame *frame, const wxPoint& pos, const wxSize& size, const long style):
- wxTextCtrl(frame, -1, "", pos, size, style)
+// Define the repainting behaviour
+void wxImageCanvas::OnDraw(wxDC& dc)

 {
 {

-  view = v;
+    if ( m_view )
+        m_view->OnDraw(& dc);

 }
 
 }
 

+// ----------------------------------------------------------------------------
+// wxImageView implementation
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxImageView, wxView)
+
+BEGIN_EVENT_TABLE(wxImageView, wxView)
+END_EVENT_TABLE()
+
+wxImageDocument* wxImageView::GetDocument()
+{
+    return wxStaticCast(wxView::GetDocument(), wxImageDocument);
+}
+
+bool wxImageView::OnCreate(wxDocument* doc, long WXUNUSED(flags))
+{
+    m_frame = wxGetApp().CreateChildFrame(doc, this, false);
+    m_frame->SetTitle("Image View");
+    m_canvas = new wxImageCanvas(this, m_frame);
+    m_frame->Show(true);
+    Activate(true);
+    return true;
+}
+
+void wxImageView::OnUpdate(wxView* sender, wxObject* hint)
+{
+    wxView::OnUpdate(sender, hint);
+    const wxImage* image = GetDocument()->GetImage();
+    if (image->IsOk())
+    {
+        m_canvas->SetScrollbars( 1, 1, image->GetWidth(), image->GetHeight() );
+    }
+}
+
+void wxImageView::OnDraw(wxDC* dc)
+{
+    const wxImage* image = GetDocument()->GetImage();
+    if (image->IsOk())
+    {
+        dc->DrawBitmap(wxBitmap(*image), 0, 0);
+    }
+}
+
+bool wxImageView::OnClose(bool deleteWindow)
+{
+    if ( !GetDocument()->Close() )
+        return false;
+
+    Activate(false);
+
+    if ( wxGetApp().GetMode() == MyApp::Mode_Single )
+    {
+        GetDocument()->DeleteContents();
+    }
+    else // not single window mode
+    {
+        if ( deleteWindow )
+            wxDELETE(m_frame);
+    }
+    return true;
+}