#if defined(__WXGTK__) || defined(__WXMOTIF__)
#include "mondrian.xpm"
+
+ #include "dnd_copy.xpm"
+ #include "dnd_move.xpm"
+ #include "dnd_none.xpm"
#endif
// ----------------------------------------------------------------------------
IMPLEMENT_APP(DnDApp);
+// ----------------------------------------------------------------------------
+// Define canvas class to show a bitmap
+// ----------------------------------------------------------------------------
+
+class DnDCanvasBitmap : public wxScrolledWindow
+{
+public:
+ DnDCanvasBitmap(wxWindow *parent) : wxScrolledWindow(parent) { }
+
+ void SetBitmap(const wxBitmap& bitmap)
+ {
+ m_bitmap = bitmap;
+
+ SetScrollbars(10, 10,
+ m_bitmap.GetWidth() / 10, m_bitmap.GetHeight() / 10);
+
+ Refresh();
+ }
+
+ void OnPaint(wxPaintEvent& event)
+ {
+ wxPaintDC dc(this);
+
+ if ( m_bitmap.Ok() )
+ {
+ PrepareDC(dc);
+
+ dc.DrawBitmap(m_bitmap, 0, 0);
+ }
+ }
+
+private:
+ wxBitmap m_bitmap;
+
+ DECLARE_EVENT_TABLE()
+};
+
+#ifdef USE_METAFILES
+
+// and the same thing fo metafiles
+class DnDCanvasMetafile : public wxScrolledWindow
+{
+public:
+ DnDCanvasMetafile(wxWindow *parent) : wxScrolledWindow(parent) { }
+
+ void SetMetafile(const wxMetafile& metafile)
+ {
+ m_metafile = metafile;
+
+ SetScrollbars(10, 10,
+ m_metafile.GetWidth() / 10, m_metafile.GetHeight() / 10);
+
+ Refresh();
+ }
+
+ void OnPaint(wxPaintEvent& event)
+ {
+ wxPaintDC dc(this);
+
+ if ( m_metafile.Ok() )
+ {
+ PrepareDC(dc);
+
+ m_metafile.Play(&dc);
+ }
+ }
+
+private:
+ wxMetafile m_metafile;
+
+ DECLARE_EVENT_TABLE()
+};
+
+#endif // USE_METAFILES
+
// ----------------------------------------------------------------------------
// Define a new frame type for the main frame
// ----------------------------------------------------------------------------
*m_pLogPrev;
wxString m_strText;
- wxBitmap m_bitmap;
};
// ----------------------------------------------------------------------------
return m_shape->GetDataSize();
}
#ifdef USE_METAFILES
- else if ( format == wxDF_METAFILE )
+ else if ( m_dobjMetaFile.IsSupported(format) )
{
if ( !m_hasMetaFile )
CreateMetaFile();
- return m_dobjMetaFile.GetDataSize();
+ return m_dobjMetaFile.GetDataSize(format);
}
#endif // Windows
else
{
+ wxASSERT_MSG( m_dobjBitmap.IsSupported(format),
+ "unexpected format" );
+
if ( !m_hasBitmap )
CreateBitmap();
return TRUE;
}
#ifdef USE_METAFILES
- else if ( format == wxDF_METAFILE )
+ else if ( m_dobjMetaFile.IsSupported(format) )
{
if ( !m_hasMetaFile )
CreateMetaFile();
- return m_dobjMetaFile.GetDataHere(pBuf);
+ return m_dobjMetaFile.GetDataHere(format, pBuf);
}
#endif // Windows
else
{
+ wxASSERT_MSG( m_dobjBitmap.IsSupported(format),
+ "unexpected format" );
+
if ( !m_hasBitmap )
CreateBitmap();
DnDShapeFrame *m_frame;
};
+// ----------------------------------------------------------------------------
+// functions prototypes
+// ----------------------------------------------------------------------------
+
+static void ShowBitmap(const wxBitmap& bitmap);
+
+#ifdef USE_METAFILES
+static void ShowMetaFile(const wxMetaFile& metafile);
+#endif // USE_METAFILES
+
// ----------------------------------------------------------------------------
// IDs for the menu commands
// ----------------------------------------------------------------------------
EVT_BUTTON(Button_Colour, DnDShapeDialog::OnColour)
END_EVENT_TABLE()
+BEGIN_EVENT_TABLE(DnDCanvasBitmap, wxScrolledWindow)
+ EVT_PAINT(DnDCanvasBitmap::OnPaint)
+END_EVENT_TABLE()
+
+#ifdef USE_METAFILES
+BEGIN_EVENT_TABLE(DnDCanvasMetafile, wxScrolledWindow)
+ EVT_PAINT(DnDCanvasMetafile::OnPaint)
+END_EVENT_TABLE()
+#endif // USE_METAFILES
+
// ============================================================================
// implementation
// ============================================================================
wxPaintDC dc(this);
dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, FALSE, "charter" ) );
- dc.DrawText( "Drag text from here!", 20, h-50 );
-
- if ( m_bitmap.Ok() )
- {
- // 4/5 is 80% taken by other windows, 20 is arbitrary margin
- dc.DrawBitmap(m_bitmap,
- w - m_bitmap.GetWidth() - 20,
- (4*h)/5 + 20);
- }
+ dc.DrawText( "Drag text from here!", 100, h-50 );
}
void DnDFrame::OnUpdateUIPasteText(wxUpdateUIEvent& event)
textData.AddFile( "/file1.txt" );
textData.AddFile( "/file2.txt" );
*/
- wxDropSource source(textData, this
-
-#ifdef __WXMSW__
- ,wxCURSOR_PENCIL, // for copy
- wxCURSOR_SPRAYCAN, // for move
- wxCURSOR_QUESTION_ARROW // for nothing
-#endif
- );
+ wxDropSource source(textData, this,
+ wxDROP_ICON(dnd_copy),
+ wxDROP_ICON(dnd_move),
+ wxDROP_ICON(dnd_none));
const char *pc;
}
else
{
- wxLogMessage(_T("Bitmap pasted from the clipboard") );
- m_bitmap = data.GetBitmap();
- Refresh();
+ const wxBitmap& bmp = data.GetBitmap();
+
+ wxLogMessage(_T("Bitmap %dx%d pasted from the clipboard"),
+ bmp.GetWidth(), bmp.GetHeight());
+ ShowBitmap(bmp);
}
wxTheClipboard->Close();
}
else
{
- wxLogMessage(_T("Metafile pasted from the clipboard"));
+ const wxMetaFile& mf = data.GetMetafile();
- // TODO: show it somewhere
+ wxLogMessage(_T("Metafile %dx%d pasted from the clipboard"),
+ mf.GetWidth(), mf.GetHeight());
+
+ ShowMetaFile(mf);
}
}
SetDropTarget(new DnDShapeDropTarget(this));
m_shape = NULL;
-
+
SetBackgroundColour(*wxWHITE);
}
DnDShapeFrame::~DnDShapeFrame()
{
- if (m_shape)
+ if (m_shape)
delete m_shape;
}
void DnDShapeFrame::SetShape(DnDShape *shape)
{
- if (m_shape)
+ if (m_shape)
delete m_shape;
m_shape = shape;
Refresh();
{
if ( m_shape )
{
-#if 1
wxClipboardLocker clipLocker;
if ( !clipLocker )
{
}
wxTheClipboard->AddData(new DnDShapeDataObject(m_shape));
-#else
- // VZ: temp test code, will remove
- wxOpenClipboard();
-
- wxMetaFileDC dcMF;
-
- m_shape->Draw(dcMF);
-
- wxMetafile *mf = dcMF.Close();
-
- wxPoint pos = m_shape->GetPosition();
- wxSize size = m_shape->GetSize();
- wxSetClipboardData(wxDF_METAFILE, mf, pos.x + size.x, pos.y + size.y);
-
- wxCloseClipboard();
-#endif
}
}
void DnDShapeDataObject::CreateMetaFile() const
{
- wxMetaFileDC dcMF;
+ wxPoint pos = m_shape->GetPosition();
+ wxSize size = m_shape->GetSize();
+
+ wxMetaFileDC dcMF(wxEmptyString, pos.x + size.x, pos.y + size.y);
m_shape->Draw(dcMF);
wxMetafile *mf = dcMF.Close();
- wxPoint pos = m_shape->GetPosition();
- wxSize size = m_shape->GetSize();
- mf->SetWidth(pos.x + size.x);
- mf->SetHeight(pos.y + size.y);
-
DnDShapeDataObject *self = (DnDShapeDataObject *)this; // const_cast
self->m_dobjMetaFile.SetMetafile(*mf);
self->m_hasMetaFile = TRUE;
+
+ delete mf;
}
#endif // Windows
self->m_hasBitmap = TRUE;
}
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+static void ShowBitmap(const wxBitmap& bitmap)
+{
+ wxFrame *frame = new wxFrame(NULL, -1, _T("Bitmap view"));
+ frame->CreateStatusBar();
+ DnDCanvasBitmap *canvas = new DnDCanvasBitmap(frame);
+ canvas->SetBitmap(bitmap);
+
+ int w = bitmap.GetWidth(),
+ h = bitmap.GetHeight();
+ frame->SetStatusText(wxString::Format(_T("%dx%d"), w, h));
+
+ frame->SetClientSize(w > 100 ? 100 : w, h > 100 ? 100 : h);
+ frame->Show(TRUE);
+}
+
+#ifdef USE_METAFILES
+
+static void ShowMetaFile(const wxMetaFile& metafile)
+{
+ wxFrame *frame = new wxFrame(NULL, -1, _T("Metafile view"));
+ frame->CreateStatusBar();
+ DnDCanvasMetafile *canvas = new DnDCanvasMetafile(frame);
+ canvas->SetMetafile(metafile);
+
+ wxSize size = metafile.GetSize();
+ frame->SetStatusText(wxString::Format(_T("%dx%d"), size.x, size.y));
+
+ frame->SetClientSize(size.x > 100 ? 100 : size.x,
+ size.y > 100 ? 100 : size.y);
+ frame->Show();
+}
+
+#endif // USE_METAFILES
projects / wxWidgets.git / blobdiff