compilation fix for Unicode build: remove ambiguity arising when trying to pass wxCha...

[wxWidgets.git] / samples / dnd / dnd.cpp

diff --git a/samples/dnd/dnd.cpp b/samples/dnd/dnd.cpp
index 5b8217840a1431a4bd2565b16f6cb950738abf86..eb6497e083029cbf8783df9dfdc3252fcbdb397f 100644 (file)
--- a/samples/dnd/dnd.cpp
+++ b/samples/dnd/dnd.cpp
@@ -113,7 +113,7 @@ public:
     virtual bool OnInit();
 };
 
-IMPLEMENT_APP(DnDApp);
+IMPLEMENT_APP(DnDApp)
 
 #if wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD
 
@@ -227,6 +227,8 @@ public:
 
     void OnCopyFiles(wxCommandEvent& event);
 
+    void OnUsePrimary(wxCommandEvent& event);
+
     void OnLeftDown(wxMouseEvent& event);
     void OnRightDown(wxMouseEvent& event);
 
@@ -522,7 +524,7 @@ public:
     virtual size_t GetFormatCount(Direction dir) const
     {
         // our custom format is supported by both GetData() and SetData()
-        ULONG nFormats = 1;
+        size_t nFormats = 1;
         if ( dir == Get )
         {
             // but the bitmap format(s) are only supported for output
@@ -801,6 +803,7 @@ enum
     Menu_PasteBitmap,
     Menu_PasteMFile,
     Menu_CopyFiles,
+    Menu_UsePrimary,
     Menu_Shape_New = 500,
     Menu_Shape_Edit,
     Menu_Shape_Clear,
@@ -828,6 +831,7 @@ BEGIN_EVENT_TABLE(DnDFrame, wxFrame)
     EVT_MENU(Menu_PasteMFile, DnDFrame::OnPasteMetafile)
 #endif // wxUSE_METAFILE
     EVT_MENU(Menu_CopyFiles,  DnDFrame::OnCopyFiles)
+    EVT_MENU(Menu_UsePrimary, DnDFrame::OnUsePrimary)
 
     EVT_UPDATE_UI(Menu_DragMoveDef, DnDFrame::OnUpdateUIMoveByDefault)
 
@@ -883,6 +887,9 @@ END_EVENT_TABLE()
 // `Main program' equivalent, creating windows and returning main app frame
 bool DnDApp::OnInit()
 {
+    if ( !wxApp::OnInit() )
+        return false;
+
 #if wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD
     // switch on trace messages
 #if wxUSE_LOG
@@ -897,10 +904,6 @@ bool DnDApp::OnInit()
     wxImage::AddHandler( new wxPNGHandler );
 #endif
 
-    // under X we usually want to use the primary selection by default (which
-    // is shared with other apps)
-    wxTheClipboard->UsePrimarySelection();
-
     // create the main frame window
     DnDFrame *frame = new DnDFrame((wxFrame  *) NULL,
                                    _T("Drag-and-Drop/Clipboard wxWidgets Sample"),
@@ -964,6 +967,8 @@ DnDFrame::DnDFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int
 #endif // wxUSE_METAFILE
     clip_menu->AppendSeparator();
     clip_menu->Append(Menu_CopyFiles, _T("Copy &files\tCtrl-F"));
+    clip_menu->AppendSeparator();
+    clip_menu->AppendCheckItem(Menu_UsePrimary, _T("Use &primary selection\tCtrl-P"));
 
     wxMenuBar *menu_bar = new wxMenuBar;
     menu_bar->Append(file_menu, _T("&File"));
@@ -984,7 +989,7 @@ DnDFrame::DnDFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int
                                 wxLB_HSCROLL | wxLB_ALWAYS_SB );
 
 #if wxUSE_LOG
-    m_ctrlLog   = new wxTextCtrl(this, wxID_ANY, _T(""), wxDefaultPosition, wxDefaultSize,
+    m_ctrlLog   = new wxTextCtrl(this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize,
                                  wxTE_MULTILINE | wxTE_READONLY |
                                  wxSUNKEN_BORDER );
 
@@ -1160,15 +1165,10 @@ void DnDFrame::OnLogClear(wxCommandEvent& /* event */ )
 void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )
 {
 #if wxUSE_DRAG_AND_DROP
-    if ( !m_strText.IsEmpty() )
+    if ( !m_strText.empty() )
     {
         // start drag operation
         wxTextDataObject textData(m_strText);
-/*
-        wxFileDataObject textData;
-        textData.AddFile( "/file1.txt" );
-        textData.AddFile( "/file2.txt" );
-*/
         wxDropSource source(textData, this,
                             wxDROP_ICON(dnd_copy),
                             wxDROP_ICON(dnd_move),
@@ -1223,6 +1223,15 @@ DnDFrame::~DnDFrame()
 #endif // wxUSE_LOG
 }
 
+void DnDFrame::OnUsePrimary(wxCommandEvent& event)
+{
+    const bool usePrimary = event.IsChecked();
+    wxTheClipboard->UsePrimarySelection(usePrimary);
+
+    wxLogStatus(_T("Now using %s selection"), usePrimary ? _T("primary")
+                                                         : _T("clipboard"));
+}
+
 // ---------------------------------------------------------------------------
 // bitmap clipboard
 // ---------------------------------------------------------------------------
@@ -1231,9 +1240,9 @@ void DnDFrame::OnCopyBitmap(wxCommandEvent& WXUNUSED(event))
 {
     // PNG support is not always compiled in under Windows, so use BMP there
 #if wxUSE_LIBPNG
-    wxFileDialog dialog(this, _T("Open a PNG file"), _T(""), _T(""), _T("PNG files (*.png)|*.png"), 0);
+    wxFileDialog dialog(this, _T("Open a PNG file"), wxEmptyString, wxEmptyString, _T("PNG files (*.png)|*.png"), 0);
 #else
-    wxFileDialog dialog(this, _T("Open a BMP file"), _T(""), _T(""), _T("BMP files (*.bmp)|*.bmp"), 0);
+    wxFileDialog dialog(this, _T("Open a BMP file"), wxEmptyString, wxEmptyString, _T("BMP files (*.bmp)|*.bmp"), 0);
 #endif
 
     if (dialog.ShowModal() != wxID_OK)
@@ -1242,7 +1251,7 @@ void DnDFrame::OnCopyBitmap(wxCommandEvent& WXUNUSED(event))
         return;
     }
 
-    if (dialog.GetPath().IsEmpty())
+    if (dialog.GetPath().empty())
     {
         wxLogMessage( _T("Returned empty string.") );
         return;
@@ -1375,7 +1384,7 @@ void DnDFrame::OnPasteMetafile(wxCommandEvent& WXUNUSED(event))
 void DnDFrame::OnCopyFiles(wxCommandEvent& WXUNUSED(event))
 {
 #ifdef __WXMSW__
-    wxFileDialog dialog(this, _T("Select a file to copy"), _T(""), _T(""),
+    wxFileDialog dialog(this, _T("Select a file to copy"), wxEmptyString, wxEmptyString,
                          _T("All files (*.*)|*.*"), 0);
 
     wxArrayString filenames;
@@ -1407,7 +1416,7 @@ void DnDFrame::OnCopyFiles(wxCommandEvent& WXUNUSED(event))
             else
             {
                 wxLogStatus(this, wxT("%d file%s copied to the clipboard"),
-                            count, count == 1 ? wxT("") : wxT("s"));
+                            count, count == 1 ? wxEmptyString : wxEmptyString);
             }
         }
     }
@@ -1509,7 +1518,7 @@ bool DnDFile::OnDropFiles(wxCoord, wxCoord, const wxArrayString& filenames)
 DnDShapeDialog::DnDShapeDialog(wxFrame *parent, DnDShape *shape)
   :wxDialog( parent, 6001, wxT("Choose Shape"), wxPoint( 10, 10 ),
              wxSize( 40, 40 ),
-             wxRAISED_BORDER|wxCAPTION|wxTHICK_FRAME|wxSYSTEM_MENU )
+             wxDEFAULT_DIALOG_STYLE | wxRAISED_BORDER | wxRESIZE_BORDER )
 {
     m_shape = shape;
     wxBoxSizer* topSizer = new wxBoxSizer( wxVERTICAL );