#include "wx/wx.h"
#endif
+#ifdef __WXMOTIF__
+ #error Sorry, drag and drop is not yet implemented on wxMotif.
+#endif
+
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/dnd.h"
-
-#ifdef __WXMOTIF__
- #error Sorry, drag and drop is not yet implemented on wxMotif.
-#endif
+#include "wx/dirdlg.h"
+#include "wx/filedlg.h"
+#include "wx/image.h"
+#include "wx/clipbrd.h"
#if defined(__WXGTK__) || defined(__WXMOTIF__)
#include "mondrian.xpm"
#endif
-#include "wx/clipbrd.h"
-
// ----------------------------------------------------------------------------
// Derive two simple classes which just put in the listbox the strings (text or
// file names) we drop on them
// ----------------------------------------------------------------------------
-// FIXME this is ugly and should be fixed in the library itself
-#ifdef __WXMSW__
- typedef long wxDropPointCoord;
-#else // wxGTK
- typedef int wxDropPointCoord;
-#endif // MSW/GTK
+typedef long wxDropPointCoord;
class DnDText : public wxTextDropTarget
{
void OnLogClear(wxCommandEvent& event);
void OnCopy(wxCommandEvent& event);
void OnPaste(wxCommandEvent& event);
+ void OnCopyBitmap(wxCommandEvent& event);
+ void OnPasteBitmap(wxCommandEvent& event);
+ void OnClipboardHasText(wxCommandEvent& event);
+ void OnClipboardHasBitmap(wxCommandEvent& event);
void OnLeftDown(wxMouseEvent& event);
void OnRightDown(wxMouseEvent& event);
DECLARE_EVENT_TABLE()
private:
- wxListBox *m_ctrlFile,
- *m_ctrlText;
- wxTextCtrl *m_ctrlLog;
+ wxListBox *m_ctrlFile,
+ *m_ctrlText;
+ wxTextCtrl *m_ctrlLog;
- wxLog *m_pLog, *m_pLogPrev;
+ wxLog *m_pLog, *m_pLogPrev;
- wxString m_strText;
+ wxString m_strText;
+ wxBitmap m_bitmap;
};
// ----------------------------------------------------------------------------
Menu_Help,
Menu_Clear,
Menu_Copy,
- Menu_Paste
+ Menu_Paste,
+ Menu_CopyBitmap,
+ Menu_PasteBitmap,
+ Menu_HasText,
+ Menu_HasBitmap
};
BEGIN_EVENT_TABLE(DnDFrame, wxFrame)
- EVT_MENU(Menu_Quit, DnDFrame::OnQuit)
- EVT_MENU(Menu_About, DnDFrame::OnAbout)
- EVT_MENU(Menu_Drag, DnDFrame::OnDrag)
- EVT_MENU(Menu_Help, DnDFrame::OnHelp)
- EVT_MENU(Menu_Clear, DnDFrame::OnLogClear)
- EVT_MENU(Menu_Copy, DnDFrame::OnCopy)
- EVT_MENU(Menu_Paste, DnDFrame::OnPaste)
-
- EVT_LEFT_DOWN( DnDFrame::OnLeftDown)
- EVT_RIGHT_DOWN( DnDFrame::OnRightDown)
- EVT_PAINT( DnDFrame::OnPaint)
+ EVT_MENU(Menu_Quit, DnDFrame::OnQuit)
+ EVT_MENU(Menu_About, DnDFrame::OnAbout)
+ EVT_MENU(Menu_Drag, DnDFrame::OnDrag)
+ EVT_MENU(Menu_Help, DnDFrame::OnHelp)
+ EVT_MENU(Menu_Clear, DnDFrame::OnLogClear)
+ EVT_MENU(Menu_Copy, DnDFrame::OnCopy)
+ EVT_MENU(Menu_Paste, DnDFrame::OnPaste)
+ EVT_MENU(Menu_CopyBitmap, DnDFrame::OnCopyBitmap)
+ EVT_MENU(Menu_PasteBitmap,DnDFrame::OnPasteBitmap)
+ EVT_MENU(Menu_HasText, DnDFrame::OnClipboardHasText)
+ EVT_MENU(Menu_HasBitmap, DnDFrame::OnClipboardHasBitmap)
+
+ EVT_LEFT_DOWN( DnDFrame::OnLeftDown)
+ EVT_RIGHT_DOWN( DnDFrame::OnRightDown)
+ EVT_PAINT( DnDFrame::OnPaint)
END_EVENT_TABLE()
// `Main program' equivalent, creating windows and returning main app frame
bool DnDApp::OnInit()
{
+#if wxUSE_LIBPNG
+ wxImage::AddHandler( new wxPNGHandler );
+#endif
+
// create the main frame window
DnDFrame *frame = new DnDFrame((wxFrame *) NULL,
"Drag-and-Drop/Clipboard wxWindows Sample",
help_menu->Append(Menu_About, "&About");
wxMenu *clip_menu = new wxMenu;
- clip_menu->Append(Menu_Copy, "&Copy\tCtrl+C");
- clip_menu->Append(Menu_Paste, "&Paste\tCtrl+V");
-
+ clip_menu->Append(Menu_Copy, "&Copy text\tCtrl+C");
+ clip_menu->Append(Menu_Paste, "&Paste text\tCtrl+V");
+ clip_menu->AppendSeparator();
+ clip_menu->Append(Menu_CopyBitmap, "&Copy bitmap");
+ clip_menu->Append(Menu_PasteBitmap, "&Paste bitmap");
+ clip_menu->AppendSeparator();
+ clip_menu->Append(Menu_HasText, "Clipboard has &text\tCtrl+T");
+ clip_menu->Append(Menu_HasBitmap, "Clipboard has a &bitmap\tCtrl+B");
+
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, "&File");
menu_bar->Append(log_menu, "&Log");
wxString strFile("Drop files here!"), strText("Drop text on me");
- m_ctrlFile = new wxListBox(this, -1, pos, size, 1, &strFile, wxLB_HSCROLL);
- m_ctrlText = new wxListBox(this, -1, pos, size, 1, &strText, wxLB_HSCROLL);
+ m_ctrlFile = new wxListBox(this, -1, pos, size, 1, &strFile, wxLB_HSCROLL | wxLB_ALWAYS_SB );
+ m_ctrlText = new wxListBox(this, -1, pos, size, 1, &strText, wxLB_HSCROLL | wxLB_ALWAYS_SB );
m_ctrlLog = new wxTextCtrl(this, -1, "", pos, size,
- wxTE_MULTILINE | wxTE_READONLY |
- wxSUNKEN_BORDER );
-
+ wxTE_MULTILINE | wxTE_READONLY |
+ wxSUNKEN_BORDER );
// redirect log messages to the text window (don't forget to delete it!)
m_pLog = new wxLogTextCtrl(m_ctrlLog);
m_pLogPrev = wxLog::SetActiveTarget(m_pLog);
// associate drop targets with 2 text controls
m_ctrlFile->SetDropTarget(new DnDFile(m_ctrlFile));
- m_ctrlText->SetDropTarget( new DnDText(m_ctrlText) );
+ m_ctrlText->SetDropTarget(new DnDText(m_ctrlText));
wxLayoutConstraints *c;
c->left.SameAs(this, wxLeft);
c->top.SameAs(this, wxTop);
c->right.PercentOf(this, wxRight, 50);
- c->height.PercentOf(this, wxHeight, 40);
+ c->height.PercentOf(this, wxHeight, 30);
m_ctrlFile->SetConstraints(c);
// Top-right listbox
c->left.SameAs (m_ctrlFile, wxRight);
c->top.SameAs (this, wxTop);
c->right.SameAs (this, wxRight);
- c->height.PercentOf(this, wxHeight, 40);
+ c->height.PercentOf(this, wxHeight, 30);
m_ctrlText->SetConstraints(c);
// Lower text control
c = new wxLayoutConstraints;
c->left.SameAs (this, wxLeft);
c->right.SameAs (this, wxRight);
- c->height.PercentOf(this, wxHeight, 40);
+ c->height.PercentOf(this, wxHeight, 30);
c->top.SameAs(m_ctrlText, wxBottom);
m_ctrlLog->SetConstraints(c);
- // construct menu
- wxMenu *file_menu = new wxMenu;
- file_menu->Append(Menu_Drag, "&Test drag...");
- file_menu->AppendSeparator();
- file_menu->Append(Menu_Quit, "E&xit");
-
- wxMenu *log_menu = new wxMenu;
- log_menu->Append(Menu_Clear, "Clear");
-
- wxMenu *help_menu = new wxMenu;
- help_menu->Append(Menu_Help, "&Help...");
- help_menu->AppendSeparator();
- help_menu->Append(Menu_About, "&About");
-
- wxMenuBar *menu_bar = new wxMenuBar;
- menu_bar->Append(file_menu, "&File");
- menu_bar->Append(log_menu, "&Log");
- menu_bar->Append(help_menu, "&Help");
-
- SetMenuBar(menu_bar);
-
- // make a panel with 3 subwindows
- wxPoint pos(0, 0);
- wxSize size(400, 200);
-
- wxString strFile("Drop files here!"), strText("Drop text on me");
-
- m_ctrlFile = new wxListBox(this, -1, pos, size, 1, &strFile, wxLB_HSCROLL);
- m_ctrlText = new wxListBox(this, -1, pos, size, 1, &strText, wxLB_HSCROLL);
-
- m_ctrlLog = new wxTextCtrl(this, -1, "", pos, size,
- wxTE_MULTILINE | wxTE_READONLY |
- wxSUNKEN_BORDER );
-
- // redirect log messages to the text window (don't forget to delete it!)
- m_pLog = new wxLogTextCtrl(m_ctrlLog);
- m_pLogPrev = wxLog::SetActiveTarget(m_pLog);
-
- // associate drop targets with 2 text controls
- m_ctrlFile->SetDropTarget(new DnDFile(m_ctrlFile));
- m_ctrlText->SetDropTarget(new DnDText(m_ctrlText));
-
- wxLayoutConstraints *c;
-
- // Top-left listbox
- c = new wxLayoutConstraints;
- c->left.SameAs(this, wxLeft);
- c->top.SameAs(this, wxTop);
- c->right.PercentOf(this, wxRight, 50);
- c->height.PercentOf(this, wxHeight, 40);
- m_ctrlFile->SetConstraints(c);
-
- // Top-right listbox
- c = new wxLayoutConstraints;
- c->left.SameAs (m_ctrlFile, wxRight);
- c->top.SameAs (this, wxTop);
- c->right.SameAs (this, wxRight);
- c->height.PercentOf(this, wxHeight, 40);
- m_ctrlText->SetConstraints(c);
-
- // Lower text control
- c = new wxLayoutConstraints;
- c->left.SameAs (this, wxLeft);
- c->right.SameAs (this, wxRight);
- c->height.PercentOf(this, wxHeight, 40);
- c->top.SameAs(m_ctrlText, wxBottom);
- m_ctrlLog->SetConstraints(c);
-
- SetAutoLayout(TRUE);
+ SetAutoLayout(TRUE);
}
-void DnDFrame::OnQuit(wxCommandEvent& /* event */)
+void DnDFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
Close(TRUE);
}
-void DnDFrame::OnPaint(wxPaintEvent& /*event*/)
+void DnDFrame::OnPaint(wxPaintEvent& WXUNUSED(event))
{
int w = 0;
int h = 0;
wxPaintDC dc(this);
dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, FALSE, "charter" ) );
- dc.DrawText( "Drag text from here!", 20, h-35 );
+ dc.DrawText( "Drag text from here!", 20, h-50 );
+
+ if (m_bitmap.Ok())
+ dc.DrawBitmap( m_bitmap, 280, h-120, TRUE );
+}
+
+void DnDFrame::OnClipboardHasText(wxCommandEvent& WXUNUSED(event))
+{
+ if ( !wxTheClipboard->Open() )
+ {
+ wxLogError( _T("Can't open clipboard.") );
+
+ return;
+ }
+
+ if ( !wxTheClipboard->IsSupported( wxDF_TEXT ) )
+ {
+ wxLogMessage( _T("No text is on the clipboard") );
+ }
+ else
+ {
+ wxLogMessage( _T("There is text is on the clipboard") );
+ }
+
+ wxTheClipboard->Close();
+}
+
+void DnDFrame::OnClipboardHasBitmap(wxCommandEvent& WXUNUSED(event))
+{
+ if ( !wxTheClipboard->Open() )
+ {
+ wxLogError( _T("Can't open clipboard.") );
+
+ return;
+ }
+
+ if ( !wxTheClipboard->IsSupported( wxDF_BITMAP ) )
+ {
+ wxLogMessage( _T("No bitmap is on the clipboard") );
+ }
+ else
+ {
+ wxLogMessage( _T("A bitmap is on the clipboard") );
+ }
+
+ wxTheClipboard->Close();
}
-void DnDFrame::OnDrag(wxCommandEvent& /* event */)
+void DnDFrame::OnDrag(wxCommandEvent& WXUNUSED(event))
{
wxString strText = wxGetTextFromUser
(
m_strText = strText;
}
-void DnDFrame::OnAbout(wxCommandEvent& /* event */)
+void DnDFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox("Drag-&-Drop Demo\n"
"Please see \"Help|Help...\" for details\n"
}
// ---------------------------------------------------------------------------
-// clipboard
+// bitmap clipboard
+// ---------------------------------------------------------------------------
+
+void DnDFrame::OnCopyBitmap(wxCommandEvent& WXUNUSED(event))
+{
+ wxFileDialog dialog(this, "Open a PNG file", "", "", "PNG files (*.png)|*.png", 0);
+
+ if (dialog.ShowModal() != wxID_OK)
+ {
+ wxLogMessage( _T("Aborted file open") );
+ return;
+ }
+
+ if (dialog.GetPath().IsEmpty())
+ {
+ wxLogMessage( _T("Returned empty string.") );
+ return;
+ }
+
+ if (!wxFileExists(dialog.GetPath()))
+ {
+ wxLogMessage( _T("File doesn't exist.") );
+ return;
+ }
+
+ wxImage image;
+ image.LoadFile( dialog.GetPath(), wxBITMAP_TYPE_PNG );
+ if (!image.Ok())
+ {
+ wxLogMessage( _T("Invalid image file...") );
+ return;
+ }
+
+ wxLogMessage( _T("Decoding image file...") );
+ wxYield();
+
+ wxBitmap bitmap( image.ConvertToBitmap() );
+
+ if ( !wxTheClipboard->Open() )
+ {
+ wxLogError(_T("Can't open clipboard."));
+
+ return;
+ }
+
+ wxLogMessage( _T("Creating wxBitmapDataObject...") );
+ wxYield();
+
+ if ( !wxTheClipboard->AddData(new wxBitmapDataObject(bitmap)) )
+ {
+ wxLogError(_T("Can't copy image to the clipboard."));
+ }
+ else
+ {
+ wxLogMessage(_T("Image has been put on the clipboard.") );
+ wxLogMessage(_T("You can paste it now and look at it.") );
+ }
+
+ wxTheClipboard->Close();
+}
+
+void DnDFrame::OnPasteBitmap(wxCommandEvent& WXUNUSED(event))
+{
+ if ( !wxTheClipboard->Open() )
+ {
+ wxLogError(_T("Can't open clipboard."));
+
+ return;
+ }
+
+ if ( !wxTheClipboard->IsSupported(wxDF_BITMAP) )
+ {
+ wxLogWarning(_T("No bitmap on clipboard"));
+
+ wxTheClipboard->Close();
+ return;
+ }
+
+ wxBitmapDataObject data;
+ if ( !wxTheClipboard->GetData(&data) )
+ {
+ wxLogError(_T("Can't paste bitmap from the clipboard"));
+ }
+ else
+ {
+ wxLogMessage(_T("Bitmap pasted from the clipboard") );
+ m_bitmap = data.GetBitmap();
+ Refresh();
+ }
+
+ wxTheClipboard->Close();
+}
+
+// ---------------------------------------------------------------------------
+// text clipboard
// ---------------------------------------------------------------------------
void DnDFrame::OnCopy(wxCommandEvent& WXUNUSED(event))
{
if ( !wxTheClipboard->Open() )
{
- wxLogError("Can't open clipboard.");
+ wxLogError(_T("Can't open clipboard."));
return;
}
if ( !wxTheClipboard->AddData(new wxTextDataObject(m_strText)) )
{
- wxLogError("Can't copy data to the clipboard");
+ wxLogError(_T("Can't copy data to the clipboard"));
}
else
{
- wxLogMessage("Text '%s' put on the clipboard", m_strText.c_str());
+ wxLogMessage(_T("Text '%s' put on the clipboard"), m_strText.c_str());
}
wxTheClipboard->Close();
{
if ( !wxTheClipboard->Open() )
{
- wxLogError("Can't open clipboard.");
+ wxLogError(_T("Can't open clipboard."));
return;
}
if ( !wxTheClipboard->IsSupported(wxDF_TEXT) )
{
- wxLogWarning("No text data on clipboard");
+ wxLogWarning(_T("No text data on clipboard"));
+ wxTheClipboard->Close();
return;
}
wxTextDataObject text;
if ( !wxTheClipboard->GetData(&text) )
{
- wxLogError("Can't paste data from the clipboard");
+ wxLogError(_T("Can't paste data from the clipboard"));
}
else
{
- wxLogMessage("Text '%s' pasted from the clipboard",
+ wxLogMessage(_T("Text '%s' pasted from the clipboard"),
text.GetText().c_str());
}
// ----------------------------------------------------------------------------
// Notifications called by the base class
// ----------------------------------------------------------------------------
+
bool DnDText::OnDropText( wxDropPointCoord, wxDropPointCoord, const wxChar *psz )
{
m_pOwner->Append(psz);
projects / wxWidgets.git / blobdiff