disable wxUSE_MEDIACTRL when wxUSE_ALL_FEATURES==no (closes #10415)

[wxWidgets.git] / src / generic / datavgen.cpp

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 388cd1b52ff26b154decd61de44674e9b2ac6eee..44638e2aef947c238fe5edb30637f447e57aa67e 100644 (file)
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -46,6 +46,7 @@
 #include "wx/listimpl.cpp"
 #include "wx/imaglist.h"
 #include "wx/headerctrl.h"
+#include "wx/dnd.h"
 
 //-----------------------------------------------------------------------------
 // classes
@@ -484,6 +485,15 @@ public:
     void Expand( unsigned int row ) { OnExpanding( row ); }
     void Collapse( unsigned int row ) { OnCollapsing( row ); }
     bool IsExpanded( unsigned int row ) const;
+
+    bool EnableDragSource( const wxDataFormat &format );
+    bool EnableDropTarget( const wxDataFormat &format );
+
+    wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
+    bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
+    wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
+    void OnLeave();
+
 private:
     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
     //We did not need this temporarily
@@ -513,6 +523,12 @@ private:
 
     int                         m_dragCount;
     wxPoint                     m_dragStart;
+    
+    bool                        m_dragEnabled;
+    wxDataFormat                m_dragFormat;
+    
+    bool                        m_dropEnabled;
+    wxDataFormat                m_dropFormat;
 
     // for double click logic
     unsigned int m_lineLastClicked,
@@ -1115,6 +1131,51 @@ wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
     return false;
 }
 
+//-----------------------------------------------------------------------------
+// wxDataViewDropTarget
+//-----------------------------------------------------------------------------
+
+class wxDataViewDropTarget: public wxDropTarget
+{
+public:
+    wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
+        wxDropTarget( obj )
+    {
+        m_win = win;
+    }
+
+    virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
+        {   
+           wxDataFormat format = GetMatchingPair();
+           if (format == wxDF_INVALID)
+              return wxDragNone;
+           return m_win->OnDragOver( format, x, y, def); 
+        }
+        
+    virtual bool OnDrop( wxCoord x, wxCoord y )
+        { 
+           wxDataFormat format = GetMatchingPair();
+           if (format == wxDF_INVALID)
+              return false;
+           return m_win->OnDrop( format, x, y ); 
+        }
+        
+    virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
+        { 
+           wxDataFormat format = GetMatchingPair();
+           if (format == wxDF_INVALID)
+              return wxDragNone;
+           if (!GetData())
+              return wxDragNone;
+           return m_win->OnData( format, x, y, def );
+        }
+        
+    virtual void OnLeave()
+        { m_win->OnLeave(); }
+
+    wxDataViewMainWindow   *m_win;
+};
+
 //-----------------------------------------------------------------------------
 // wxDataViewRenameTimer
 //-----------------------------------------------------------------------------
@@ -1177,6 +1238,9 @@ wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID i
     m_lineBeforeLastClicked = (unsigned int) -1;
     m_lineSelectSingleOnUp = (unsigned int) -1;
 
+    m_dragEnabled = false;
+    m_dropEnabled = false;
+
     m_hasFocus = false;
 
     SetBackgroundColour( *wxWHITE );
@@ -1203,6 +1267,117 @@ wxDataViewMainWindow::~wxDataViewMainWindow()
     delete m_renameTimer;
 }
 
+bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
+{
+    m_dragFormat = format;
+    m_dragEnabled = format != wxDF_INVALID;
+    
+    return true;
+}
+    
+bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
+{
+    m_dropFormat = format;
+    m_dropEnabled = format != wxDF_INVALID;
+    
+    if (m_dropEnabled)
+        SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
+    
+    return true;
+}
+
+wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def )
+{
+    int xx = x;
+    int yy = y;
+    m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+    unsigned int row = GetLineAt( yy );
+
+    if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
+        return wxDragNone;
+
+    wxDataViewItem item = GetItemByRow( row );
+    
+    wxDataViewModel *model = GetOwner()->GetModel();
+    
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetItem( item );
+    event.SetModel( model );
+    event.SetDataFormat( format );
+    if (!m_owner->HandleWindowEvent( event ))
+        return wxDragNone;
+
+    if (!event.IsAllowed())
+        return wxDragNone;
+    
+    return def;
+}
+
+bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
+{
+    int xx = x;
+    int yy = y;
+    m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+    unsigned int row = GetLineAt( yy );
+
+    if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
+        return false;
+
+    wxDataViewItem item = GetItemByRow( row );
+    
+    wxDataViewModel *model = GetOwner()->GetModel();
+    
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetItem( item );
+    event.SetModel( model );
+    event.SetDataFormat( format );
+    if (!m_owner->HandleWindowEvent( event ))
+        return false;
+
+    if (!event.IsAllowed())
+        return false;
+    
+    return true;
+}
+
+wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def )
+{
+    int xx = x;
+    int yy = y;
+    m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+    unsigned int row = GetLineAt( yy );
+
+    if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
+        return wxDragNone;
+
+    wxDataViewItem item = GetItemByRow( row );
+    
+    wxDataViewModel *model = GetOwner()->GetModel();
+    
+    wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
+
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetItem( item );
+    event.SetModel( model );
+    event.SetDataFormat( format );
+    event.SetDataSize( obj->GetSize() );
+    event.SetDataBuffer( obj->GetData() );
+    if (!m_owner->HandleWindowEvent( event ))
+        return wxDragNone;
+
+    if (!event.IsAllowed())
+        return wxDragNone;
+
+    return def;
+}
+
+void wxDataViewMainWindow::OnLeave()
+{
+}
+
 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {
     wxDataViewModel *model = GetOwner()->GetModel();
@@ -2423,7 +2598,10 @@ bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
        return false;
        
     if (!node->HasChildren())
+    {
+       delete node;
        return false;
+    }
     
     return node->IsOpen();
 }
@@ -2516,6 +2694,9 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item
     wxDataViewModel * model = GetOwner()->GetModel();
     if( model == NULL )
         return NULL;
+        
+    if (!item.IsOk())
+        return m_root;
 
     //Compose the a parent-chain of the finding item
     ItemList list;
@@ -2717,6 +2898,7 @@ static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wx
 
     wxDataViewItemArray children;
     unsigned int num = model->GetChildren( item, children);
+    
     unsigned int index = 0;
     while( index < num )
     {
@@ -2974,7 +3156,31 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
 
         if (event.LeftIsDown())
         {
+            m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y, &m_dragStart.x, &m_dragStart.y );
+            unsigned int drag_item_row = GetLineAt( m_dragStart.y );
+            wxDataViewItem item = GetItemByRow( drag_item_row );
+
             // Notify cell about drag
+            wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
+            event.SetEventObject( m_owner );
+            event.SetItem( item );
+            event.SetModel( model );
+            if (!m_owner->HandleWindowEvent( event ))
+                return;
+        
+            if (!event.IsAllowed())
+                return;
+        
+            wxDataObject *obj = event.GetDataObject();
+            if (!obj)
+                return;
+        
+            wxDropSource drag( m_owner );
+            drag.SetData( *obj );
+            // wxImage image( 80, 20 );
+            // wxBitmap bitmap( image );
+            wxDragResult res = drag.DoDragDrop();
+            delete obj;
         }
         return;
     }
@@ -3360,6 +3566,16 @@ bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
     return true;
 }
 
+bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
+{
+    return m_clientArea->EnableDragSource( format );
+}
+
+bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
+{
+    return m_clientArea->EnableDropTarget( format );
+}
+
 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
 {
     if (!wxDataViewCtrlBase::AppendColumn(col))