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Applied #10811: Image in docview sample

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62089 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
2009-09-24 16:04:06 +00:00
parent abee7f4704
commit f37f49b652
5 changed files with 239 additions and 1 deletions
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86
samples/docview/view.cpp
View File

@@ -104,8 +104,9 @@ DrawingDocument* DrawingView::GetDocument()
return wxStaticCast(wxView::GetDocument(), DrawingDocument);
}
void DrawingView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
void DrawingView::OnUpdate(wxView* sender, wxObject* hint)
{
wxView::OnUpdate(sender, hint);
if ( m_canvas )
m_canvas->Refresh();
}
@@ -282,3 +283,86 @@ void MyCanvas::OnMouseEvent(wxMouseEvent& event)
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 the repainting behaviour
void wxImageCanvas::OnDraw(wxDC& dc)
{
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;
}