+ int w, h;
+ GetClientSize( &w, &h );
+
+ wxAutoBufferedPaintDC dc( this );
+
+ dc.SetBackground(GetBackgroundColour());
+ dc.Clear();
+
+ int xpix;
+ m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
+
+ int x;
+ m_owner->GetViewStart( &x, NULL );
+
+ // account for the horz scrollbar offset
+ dc.SetDeviceOrigin( -x * xpix, 0 );
+
+ dc.SetFont( GetFont() );
+
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int i;
+ int xpos = 0;
+ for (i = 0; i < cols; i++)
+ {
+ wxDataViewColumn *col = GetColumn( i );
+ if (col->IsHidden())
+ continue; // skip it!
+
+ int cw = col->GetWidth();
+ int ch = h;
+
+ wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
+ if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
+ {
+ if (col->IsSortOrderAscending())
+ sortArrow = wxHDR_SORT_ICON_UP;
+ else
+ sortArrow = wxHDR_SORT_ICON_DOWN;
+ }
+
+ int state = 0;
+ if (m_parent->IsEnabled())
+ {
+ if ((int) i == m_hover)
+ state = wxCONTROL_CURRENT;
+ }
+ else
+ {
+ state = (int) wxCONTROL_DISABLED;
+ }
+
+ wxRendererNative::Get().DrawHeaderButton
+ (
+ this,
+ dc,
+ wxRect(xpos, 0, cw, ch-1),
+ state,
+ sortArrow
+ );
+
+ // align as required the column title:
+ int x = xpos;
+ wxSize titleSz = dc.GetTextExtent(col->GetTitle());
+ switch (col->GetAlignment())
+ {
+ case wxALIGN_LEFT:
+ x += HEADER_HORIZ_BORDER;
+ break;
+ case wxALIGN_RIGHT:
+ x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
+ break;
+ default:
+ case wxALIGN_CENTER:
+ case wxALIGN_CENTER_HORIZONTAL:
+ x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
+ break;
+ }
+
+ // always center the title vertically:
+ int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
+
+ dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
+ HEADER_VERT_BORDER,
+ wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1), // width
+ wxMax(ch - 2 * HEADER_VERT_BORDER, 1)); // height
+ dc.DrawText( col->GetTitle(), x, y );
+ dc.DestroyClippingRegion();
+
+ xpos += cw;
+ }
+}
+
+void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
+{
+ GetParent()->SetFocus();
+ event.Skip();
+}
+
+void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
+{
+ // we want to work with logical coords
+ int x;
+ m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
+ int y = event.GetY();
+
+ if (m_isDragging)
+ {
+ // we don't draw the line beyond our window,
+ // but we allow dragging it there
+ int w = 0;
+ GetClientSize( &w, NULL );
+ m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
+ w -= 6;
+
+ if (event.ButtonUp())
+ {
+ m_isDragging = false;
+ if (HasCapture())
+ ReleaseMouse();
+
+ m_dirty = true;
+ }
+ m_currentX = wxMax(m_minX + 7, x);
+
+ if (m_currentX < w)
+ {
+ GetColumn(m_column)->SetWidth(m_currentX - m_minX);
+ Refresh();
+ GetOwner()->Refresh();
+ }
+
+ }
+ else // not dragging
+ {
+ m_minX = 0;
+ m_column = wxNOT_FOUND;
+
+ bool hit_border = false;
+
+ // end of the current column
+ int xpos = 0;
+
+ // find the column where this event occured
+ int countCol = m_owner->GetColumnCount();
+ for (int column = 0; column < countCol; column++)
+ {
+ wxDataViewColumn *p = GetColumn(column);
+
+ if (p->IsHidden())
+ continue; // skip if not shown
+
+ xpos += p->GetWidth();
+ m_column = column;
+ if ((abs(x-xpos) < 3) && (y < 22))
+ {
+ hit_border = true;
+ break;
+ }
+
+ if (x < xpos)
+ {
+ // inside the column
+ break;
+ }
+
+ m_minX = xpos;
+ }
+
+ int old_hover = m_hover;
+ m_hover = m_column;
+ if (event.Leaving())
+ m_hover = wxNOT_FOUND;
+ if (old_hover != m_hover)
+ Refresh();
+
+ if (m_column == wxNOT_FOUND)
+ return;
+
+ bool resizeable = GetColumn(m_column)->IsResizeable();
+ if (event.LeftDClick() && resizeable)
+ {
+ GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
+ Refresh();
+ }
+ else if (event.LeftDown() || event.RightUp())
+ {
+ if (hit_border && event.LeftDown() && resizeable)
+ {
+ m_isDragging = true;
+ CaptureMouse();
+ m_currentX = x;
+ }
+ else // click on a column
+ {
+ wxDataViewModel * model = GetOwner()->GetModel();
+ wxEventType evt = event.LeftDown() ?
+ wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
+ wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
+ SendEvent(evt, m_column);
+
+ //Left click the header
+ if(event.LeftDown())
+ {
+ wxDataViewColumn *col = GetColumn(m_column);
+ if(col->IsSortable())
+ {
+ wxDataViewColumn* sortCol = m_owner->GetSortingColumn();
+ if(model && sortCol == col)
+ {
+ bool order = col->IsSortOrderAscending();
+ col->SetSortOrder(!order);
+ }
+ else if(model)
+ {
+ m_owner->SetSortingColumn(col);
+ }
+ }
+ UpdateDisplay();
+ if(model)
+ model->Resort();
+ //Send the column sorted event
+ SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
+ }
+ }
+ }
+ else if (event.Moving())
+ {
+ if (hit_border && resizeable)
+ m_currentCursor = m_resizeCursor;
+ else
+ m_currentCursor = wxSTANDARD_CURSOR;
+
+ SetCursor(*m_currentCursor);
+ }
+ }
+}
+
+void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
+{
+ int xpix, x;
+
+ m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
+ m_owner->GetViewStart( &x, NULL );
+
+ // shift the DC origin to match the position of the main window horizontal
+ // scrollbar: this allows us to always use logical coords
+ dc.SetDeviceOrigin( -x * xpix, 0 );
+}
+
+#endif // defined(__WXMSW__)
+
+//-----------------------------------------------------------------------------
+// wxDataViewRenameTimer
+//-----------------------------------------------------------------------------
+
+wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
+{
+ m_owner = owner;
+}
+
+void wxDataViewRenameTimer::Notify()
+{
+ m_owner->OnRenameTimer();
+}
+
+//-----------------------------------------------------------------------------
+// wxDataViewMainWindow
+//-----------------------------------------------------------------------------
+
+//The tree building helper, declared firstly
+void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node);
+
+int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
+{
+ if (row1 > row2) return 1;
+ if (row1 == row2) return 0;
+ return -1;
+}
+
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
+
+BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
+ EVT_PAINT (wxDataViewMainWindow::OnPaint)
+ EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
+ EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
+ EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
+ EVT_CHAR (wxDataViewMainWindow::OnChar)
+END_EVENT_TABLE()
+
+wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size, const wxString &name ) :
+ wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
+ m_selection( wxDataViewSelectionCmp )
+
+{
+ SetOwner( parent );
+
+ m_lastOnSame = false;
+ m_renameTimer = new wxDataViewRenameTimer( this );
+
+ // TODO: user better initial values/nothing selected
+ m_currentCol = NULL;
+ m_currentRow = 0;
+
+ m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
+
+ m_dragCount = 0;
+ m_dragStart = wxPoint(0,0);
+ m_lineLastClicked = (unsigned int) -1;
+ m_lineBeforeLastClicked = (unsigned int) -1;
+ m_lineSelectSingleOnUp = (unsigned int) -1;
+
+ m_hasFocus = false;
+
+ SetBackgroundStyle( wxBG_STYLE_CUSTOM );
+ SetBackgroundColour( *wxWHITE );
+
+ m_penRule = wxPen(GetRuleColour(), 1, wxSOLID);
+
+ //Here I compose a pen can draw black lines, maybe there are something system colour to use
+ m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID );
+ //Some new added code to deal with the tree structure
+ m_root = new wxDataViewTreeNode( NULL );
+ m_root->SetHasChildren(true);
+
+ //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
+ m_count = -1 ;
+ m_underMouse = NULL;
+ UpdateDisplay();
+}
+
+wxDataViewMainWindow::~wxDataViewMainWindow()
+{
+ DestroyTree();
+ delete m_renameTimer;
+}
+
+void wxDataViewMainWindow::OnRenameTimer()
+{
+ // We have to call this here because changes may just have
+ // been made and no screen update taken place.
+ if ( m_dirty )
+ wxSafeYield();
+
+ int xpos = 0;
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int i;
+ for (i = 0; i < cols; i++)
+ {
+ wxDataViewColumn *c = GetOwner()->GetColumn( i );
+ if (c->IsHidden())
+ continue; // skip it!
+
+ if (c == m_currentCol)
+ break;
+ xpos += c->GetWidth();
+ }
+ wxRect labelRect( xpos, m_currentRow * m_lineHeight,
+ m_currentCol->GetWidth(), m_lineHeight );
+
+ GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
+ &labelRect.x, &labelRect.y);
+
+ wxDataViewItem item = GetItemByRow( m_currentRow );
+ m_currentCol->GetRenderer()->StartEditing( item, labelRect );
+
+}
+
+//------------------------------------------------------------------
+// Helper class for do operation on the tree node
+//------------------------------------------------------------------
+class DoJob
+{
+public:
+ DoJob(){};
+ virtual ~DoJob(){};
+
+ //The return value control how the tree-walker tranverse the tree
+ // 0: Job done, stop tranverse and return
+ // 1: Ignore the current node's subtree and continue
+ // 2: Job not done, continue
+ enum { OK = 0 , IGR = 1, CONT = 2 };
+ virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
+ virtual int operator() ( void * n ) = 0;
+};
+
+bool Walker( wxDataViewTreeNode * node, DoJob & func )
+{
+ if( node==NULL )
+ return false;
+
+ switch( func( node ) )
+ {
+ case DoJob::OK :
+ return true ;
+ case DoJob::IGR:
+ return false;
+ case DoJob::CONT:
+ default:
+ ;
+ }
+
+ wxDataViewTreeNodes nodes = node->GetNodes();
+ wxDataViewTreeLeaves leaves = node->GetChildren();
+
+ int len_nodes = nodes.GetCount();
+ int len = leaves.GetCount();
+ int i = 0, nodes_i = 0;
+
+ for( ; i < len ; i ++ )
+ {
+ void * n = leaves[i];
+ if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
+ {
+ wxDataViewTreeNode * nd = nodes[nodes_i];
+ nodes_i++;
+
+ if( Walker( nd , func ) )
+ return true;
+
+ }
+ else
+ switch( func( n ) )
+ {
+ case DoJob::OK :
+ return true ;
+ case DoJob::IGR:
+ continue;
+ case DoJob::CONT:
+ default:
+ ;
+ }
+ }
+ return false;
+}
+
+bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
+{
+ SortPrepare();
+
+ wxDataViewTreeNode * node;
+ node = FindNode(parent);
+
+ if( node == NULL )
+ return false;
+
+ node->SetHasChildren( true );
+
+ if( g_model->IsContainer( item ) )
+ {
+ wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
+ newnode->SetItem(item);
+ newnode->SetHasChildren( true );
+ node->AddNode( newnode);
+ }
+ else
+ node->AddLeaf( item.GetID() );
+
+ node->ChangeSubTreeCount(1);
+
+ m_count = -1;
+ UpdateDisplay();
+
+ return true;
+}
+
+void DestroyTreeHelper( wxDataViewTreeNode * node);
+
+bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
+ const wxDataViewItem& item)
+{
+ wxDataViewTreeNode * node = FindNode(parent);
+
+ wxCHECK_MSG( node != NULL, false, "item not found" );
+ wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
+
+ int sub = -1;
+ node->GetChildren().Remove( item.GetID() );
+ //Manuplate selection
+ if( m_selection.GetCount() > 1 )
+ {
+ m_selection.Empty();
+ }
+ bool isContainer = false;
+ wxDataViewTreeNodes nds = node->GetNodes();
+ for (size_t i = 0; i < nds.GetCount(); i ++)
+ {
+ if (nds[i]->GetItem() == item)
+ {
+ isContainer = true;
+ break;
+ }
+ }
+ if( isContainer )
+ {
+ wxDataViewTreeNode * n = NULL;
+ wxDataViewTreeNodes nodes = node->GetNodes();
+ int len = nodes.GetCount();
+ for( int i = 0 ; i < len; i ++)
+ {
+ if( nodes[i]->GetItem() == item )
+ {
+ n = nodes[i];
+ break;
+ }
+ }
+
+ wxCHECK_MSG( n != NULL, false, "item not found" );
+
+ node->GetNodes().Remove( n );
+ sub -= n->GetSubTreeCount();
+ DestroyTreeHelper(n);
+ }
+ //Make the row number invalid and get a new valid one when user call GetRowCount
+ m_count = -1;
+ node->ChangeSubTreeCount(sub);
+ if( node->GetChildrenNumber() == 0)
+ {
+ node->GetParent()->GetNodes().Remove( node );
+ delete node;
+ }
+
+ //Change the current row to the last row if the current exceed the max row number
+ if( m_currentRow > GetRowCount() )
+ m_currentRow = m_count - 1;
+
+ UpdateDisplay();
+
+ return true;
+}
+
+bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
+{
+ SortPrepare();
+ g_model->Resort();
+
+ //Send event
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
+ le.SetEventObject(parent);
+ le.SetModel(GetOwner()->GetModel());
+ le.SetItem(item);
+ parent->GetEventHandler()->ProcessEvent(le);
+
+ return true;
+}
+
+bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
+{
+ // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
+/*#define MAX_VIRTUAL_WIDTH 100000
+
+ wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
+ m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+ Refresh( true, &rect );
+
+ return true;
+*/
+ SortPrepare();
+ g_model->Resort();
+
+ //Send event
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
+ le.SetEventObject(parent);
+ le.SetModel(GetOwner()->GetModel());
+ le.SetItem(item);
+ le.SetColumn(col);
+ le.SetDataViewColumn(GetOwner()->GetColumn(col));
+ parent->GetEventHandler()->ProcessEvent(le);
+
+ return true;
+}
+
+bool wxDataViewMainWindow::Cleared()
+{
+ SortPrepare();
+
+ DestroyTree();
+ UpdateDisplay();
+
+ return true;
projects / wxWidgets.git / blobdiff