X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f88c1a172efd0391ad65621898e6a8823160c4f9..449d48f9e15e1430805aed3b33e55000754ad926:/samples/dnd/dnd.cpp

diff --git a/samples/dnd/dnd.cpp b/samples/dnd/dnd.cpp
index 7788cfdc7d..892a621cc1 100644
--- a/samples/dnd/dnd.cpp
+++ b/samples/dnd/dnd.cpp
@@ -221,13 +221,15 @@ class DnDFrame : public wxFrame
 {
 public:
     DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h);
-    ~DnDFrame();
+    virtual ~DnDFrame();
 
     void OnPaint(wxPaintEvent& event);
     void OnSize(wxSizeEvent& event);
-    void OnQuit (wxCommandEvent& event);
+    void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
-    void OnDrag (wxCommandEvent& event);
+    void OnDrag(wxCommandEvent& event);
+    void OnDragMoveByDefault(wxCommandEvent& event);
+    void OnDragMoveAllow(wxCommandEvent& event);
     void OnNewFrame(wxCommandEvent& event);
     void OnHelp (wxCommandEvent& event);
     void OnLogClear(wxCommandEvent& event);
@@ -247,12 +249,15 @@ public:
     void OnLeftDown(wxMouseEvent& event);
     void OnRightDown(wxMouseEvent& event);
 
+    void OnUpdateUIMoveByDefault(wxUpdateUIEvent& event);
+
     void OnUpdateUIPasteText(wxUpdateUIEvent& event);
     void OnUpdateUIPasteBitmap(wxUpdateUIEvent& event);
 
     DECLARE_EVENT_TABLE()
 
 private:
+    // GUI controls
     wxListBox  *m_ctrlFile,
                *m_ctrlText;
     wxTextCtrl *m_ctrlLog;
@@ -260,6 +265,13 @@ private:
     wxLog *m_pLog,
           *m_pLogPrev;
 
+    // move the text by default (or copy)?
+    bool m_moveByDefault;
+
+    // allow moving the text at all?
+    bool m_moveAllow;
+
+    // the text we drag
     wxString  m_strText;
 };
 
@@ -776,6 +788,8 @@ enum
 {
     Menu_Quit = 1,
     Menu_Drag,
+    Menu_DragMoveDef,
+    Menu_DragMoveAllow,
     Menu_NewFrame,
     Menu_About = 101,
     Menu_Help,
@@ -798,6 +812,8 @@ 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_DragMoveDef,  DnDFrame::OnDragMoveByDefault)
+    EVT_MENU(Menu_DragMoveAllow,DnDFrame::OnDragMoveAllow)
     EVT_MENU(Menu_NewFrame,   DnDFrame::OnNewFrame)
     EVT_MENU(Menu_Help,       DnDFrame::OnHelp)
     EVT_MENU(Menu_Clear,      DnDFrame::OnLogClear)
@@ -810,6 +826,8 @@ BEGIN_EVENT_TABLE(DnDFrame, wxFrame)
 #endif // USE_METAFILES
     EVT_MENU(Menu_CopyFiles,  DnDFrame::OnCopyFiles)
 
+    EVT_UPDATE_UI(Menu_DragMoveDef, DnDFrame::OnUpdateUIMoveByDefault)
+
     EVT_UPDATE_UI(Menu_Paste,       DnDFrame::OnUpdateUIPasteText)
     EVT_UPDATE_UI(Menu_PasteBitmap, DnDFrame::OnUpdateUIPasteBitmap)
 
@@ -918,10 +936,12 @@ DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
     // construct menu
     wxMenu *file_menu = new wxMenu;
     file_menu->Append(Menu_Drag, "&Test drag...");
+    file_menu->AppendCheckItem(Menu_DragMoveDef, "&Move by default");
+    file_menu->AppendCheckItem(Menu_DragMoveAllow, "&Allow moving");
     file_menu->AppendSeparator();
     file_menu->Append(Menu_NewFrame, "&New frame\tCtrl-N");
     file_menu->AppendSeparator();
-    file_menu->Append(Menu_Quit, "E&xit");
+    file_menu->Append(Menu_Quit, "E&xit\tCtrl-Q");
 
     wxMenu *log_menu = new wxMenu;
     log_menu->Append(Menu_Clear, "Clear\tCtrl-L");
@@ -1003,6 +1023,11 @@ DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
     m_ctrlLog->SetConstraints(c);
 
     SetAutoLayout(TRUE);
+
+    // copy data by default but allow moving it as well
+    m_moveByDefault = FALSE;
+    m_moveAllow = TRUE;
+    menu_bar->Check(Menu_DragMoveAllow, TRUE);
 }
 
 void DnDFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
@@ -1024,11 +1049,17 @@ void DnDFrame::OnPaint(wxPaintEvent& WXUNUSED(event))
     GetClientSize( &w, &h );
 
     wxPaintDC dc(this);
-    dc.Clear();
+    // dc.Clear(); -- this kills wxGTK
     dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, FALSE, "charter" ) );
     dc.DrawText( "Drag text from here!", 100, h-50 );
 }
 
+void DnDFrame::OnUpdateUIMoveByDefault(wxUpdateUIEvent& event)
+{
+    // only can move by default if moving is allowed at all
+    event.Enable(m_moveAllow);
+}
+
 void DnDFrame::OnUpdateUIPasteText(wxUpdateUIEvent& event)
 {
 #ifdef __WXDEBUG__
@@ -1072,6 +1103,16 @@ void DnDFrame::OnDrag(wxCommandEvent& WXUNUSED(event))
     m_strText = strText;
 }
 
+void DnDFrame::OnDragMoveByDefault(wxCommandEvent& event)
+{
+    m_moveByDefault = event.IsChecked();
+}
+
+void DnDFrame::OnDragMoveAllow(wxCommandEvent& event)
+{
+    m_moveAllow = event.IsChecked();
+}
+
 void DnDFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
     wxMessageBox("Drag-&-Drop Demo\n"
@@ -1133,9 +1174,14 @@ void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )
                             wxDROP_ICON(dnd_move),
                             wxDROP_ICON(dnd_none));
 
-        const char *pc;
+        int flags = 0;
+        if ( m_moveByDefault )
+            flags |= wxDrag_DefaultMove;
+        else if ( m_moveAllow )
+            flags |= wxDrag_AllowMove;
 
-        switch ( source.DoDragDrop(TRUE) )
+        const char *pc;
+        switch ( source.DoDragDrop(flags) )
         {
             case wxDragError:   pc = "Error!";    break;
             case wxDragNone:    pc = "Nothing";   break;