+// ---------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
+
+wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
+ unsigned int model_column,
+ int width, wxAlignment align, int flags ) :
+ wxDataViewColumnBase( title, cell, model_column, width, align, flags )
+{
+ SetAlignment(align);
+ SetTitle(title);
+ SetFlags(flags);
+
+ Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width);
+}
+
+wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
+ unsigned int model_column,
+ int width, wxAlignment align, int flags ) :
+ wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
+{
+ SetAlignment(align);
+ SetFlags(flags);
+
+ Init(width < 0 ? wxDVC_TOGGLE_DEFAULT_WIDTH : width);
+}
+
+wxDataViewColumn::~wxDataViewColumn()
+{
+}
+
+void wxDataViewColumn::Init( int width )
+{
+ m_width = width;
+ m_minWidth = wxDVC_DEFAULT_MINWIDTH;
+ m_ascending = true;
+}
+
+void wxDataViewColumn::SetResizeable( bool resizeable )
+{
+ if (resizeable)
+ m_flags |= wxDATAVIEW_COL_RESIZABLE;
+ else
+ m_flags &= ~wxDATAVIEW_COL_RESIZABLE;
+}
+
+void wxDataViewColumn::SetHidden( bool hidden )
+{
+ if (hidden)
+ m_flags |= wxDATAVIEW_COL_HIDDEN;
+ else
+ m_flags &= ~wxDATAVIEW_COL_HIDDEN;
+
+ // tell our owner to e.g. update its scrollbars:
+ if (GetOwner())
+ GetOwner()->OnColumnChange();
+}
+
+void wxDataViewColumn::SetSortable( bool sortable )
+{
+ if (sortable)
+ m_flags |= wxDATAVIEW_COL_SORTABLE;
+ else
+ m_flags &= ~wxDATAVIEW_COL_SORTABLE;
+
+ // Update header button
+ if (GetOwner())
+ GetOwner()->OnColumnChange();
+}
+
+void wxDataViewColumn::SetSortOrder( bool ascending )
+{
+ m_ascending = ascending;
+
+ // Update header button
+ if (GetOwner())
+ GetOwner()->OnColumnChange();
+}
+
+bool wxDataViewColumn::IsSortOrderAscending() const
+{
+ return m_ascending;
+}
+
+void wxDataViewColumn::SetInternalWidth( int width )
+{
+ m_width = width;
+
+ // the scrollbars of the wxDataViewCtrl needs to be recalculated!
+ if (m_owner && m_owner->m_clientArea)
+ m_owner->m_clientArea->RecalculateDisplay();
+}
+
+void wxDataViewColumn::SetWidth( int width )
+{
+ m_owner->m_headerArea->UpdateDisplay();
+
+ SetInternalWidth(width);
+}
+
+
+//-----------------------------------------------------------------------------
+// wxDataViewHeaderWindowBase
+//-----------------------------------------------------------------------------
+
+void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
+{
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(type, parent->GetId());
+
+ le.SetEventObject(parent);
+ le.SetColumn(n);
+ le.SetDataViewColumn(GetColumn(n));
+ le.SetModel(GetOwner()->GetModel());
+
+ // for events created by wxDataViewHeaderWindow the
+ // row / value fields are not valid
+
+ parent->GetEventHandler()->ProcessEvent(le);
+}
+
+#if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
+
+// implemented in msw/listctrl.cpp:
+int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
+
+bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size,
+ const wxString &name )
+{
+ m_owner = parent;
+
+ if ( !CreateControl(parent, id, pos, size, 0, wxDefaultValidator, name) )
+ return false;
+
+ int x = pos.x == wxDefaultCoord ? 0 : pos.x,
+ y = pos.y == wxDefaultCoord ? 0 : pos.y,
+ w = size.x == wxDefaultCoord ? 1 : size.x,
+ h = size.y == wxDefaultCoord ? 22 : size.y;
+
+ // create the native WC_HEADER window:
+ WXHWND hwndParent = (HWND)parent->GetHandle();
+ WXDWORD msStyle = WS_CHILD | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
+ m_hWnd = CreateWindowEx(0,
+ WC_HEADER,
+ (LPCTSTR) NULL,
+ msStyle,
+ x, y, w, h,
+ (HWND)hwndParent,
+ (HMENU)-1,
+ wxGetInstance(),
+ (LPVOID) NULL);
+ if (m_hWnd == NULL)
+ {
+ wxLogLastError(_T("CreateWindowEx"));
+ return false;
+ }
+
+ // we need to subclass the m_hWnd to force wxWindow::HandleNotify
+ // to call wxDataViewHeaderWindow::MSWOnNotify
+ SubclassWin(m_hWnd);
+
+ // the following is required to get the default win's font for
+ // header windows and must be done befor sending the HDM_LAYOUT msg
+ SetFont(GetFont());
+
+ RECT rcParent;
+ HDLAYOUT hdl;
+ WINDOWPOS wp;
+
+ // Retrieve the bounding rectangle of the parent window's
+ // client area, and then request size and position values
+ // from the header control.
+ ::GetClientRect((HWND)hwndParent, &rcParent);
+
+ hdl.prc = &rcParent;
+ hdl.pwpos = ℘
+ if (!SendMessage((HWND)m_hWnd, HDM_LAYOUT, 0, (LPARAM) &hdl))
+ {
+ wxLogLastError(_T("SendMessage"));
+ return false;
+ }
+
+ // Set the size, position, and visibility of the header control.
+ SetWindowPos((HWND)m_hWnd,
+ wp.hwndInsertAfter,
+ wp.x, wp.y,
+ wp.cx, wp.cy,
+ wp.flags | SWP_SHOWWINDOW);
+
+ // set our size hints: wxDataViewCtrl will put this wxWindow inside
+ // a wxBoxSizer and in order to avoid super-big header windows,
+ // we need to set our height as fixed
+ SetMinSize(wxSize(-1, wp.cy));
+ SetMaxSize(wxSize(-1, wp.cy));
+
+ return true;
+}
+
+wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
+{
+ UnsubclassWin();
+}
+
+void wxDataViewHeaderWindowMSW::UpdateDisplay()
+{
+ // remove old columns
+ for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
+ Header_DeleteItem((HWND)m_hWnd, 0);
+
+ // add the updated array of columns to the header control
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int added = 0;
+ wxDataViewModel * model = GetOwner()->GetModel();
+ for (unsigned int i = 0; i < cols; i++)
+ {
+ wxDataViewColumn *col = GetColumn( i );
+ if (col->IsHidden())
+ continue; // don't add it!
+
+ HDITEM hdi;
+ hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
+ hdi.pszText = (wxChar *) col->GetTitle().wx_str();
+ hdi.cxy = col->GetWidth();
+ hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
+ hdi.fmt = HDF_LEFT | HDF_STRING;
+
+ // lParam is reserved for application's use:
+ // we store there the column index to use it later in MSWOnNotify
+ // (since columns may have been hidden)
+ hdi.lParam = (LPARAM)i;
+
+ // the native wxMSW implementation of the header window
+ // draws the column separator COLUMN_WIDTH_OFFSET pixels
+ // on the right: to correct this effect we make the column
+ // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
+ if (i == 0)
+ hdi.cxy += COLUMN_WIDTH_OFFSET;
+
+ switch (col->GetAlignment())
+ {
+ case wxALIGN_LEFT:
+ hdi.fmt |= HDF_LEFT;
+ break;
+ case wxALIGN_CENTER:
+ case wxALIGN_CENTER_HORIZONTAL:
+ hdi.fmt |= HDF_CENTER;
+ break;
+ case wxALIGN_RIGHT:
+ hdi.fmt |= HDF_RIGHT;
+ break;
+
+ default:
+ // such alignment is not allowed for the column header!
+ wxFAIL;
+ }
+
+ SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
+ (WPARAM)added, (LPARAM)&hdi);
+ added++;
+ }
+}
+
+unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
+{
+ unsigned int idx;
+
+ // NOTE: we don't just return nmHDR->iItem because when there are
+ // hidden columns, nmHDR->iItem may be different from
+ // nmHDR->pitem->lParam
+
+ if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
+ {
+ idx = (unsigned int)nmHDR->pitem->lParam;
+ return idx;
+ }
+
+ HDITEM item;
+ item.mask = HDI_LPARAM;
+ Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
+
+ return (unsigned int)item.lParam;
+}
+
+bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
+{
+ NMHDR *nmhdr = (NMHDR *)lParam;
+
+ // is it a message from the header?
+ if ( nmhdr->hwndFrom != (HWND)m_hWnd )
+ return wxWindow::MSWOnNotify(idCtrl, lParam, result);
+
+ NMHEADER *nmHDR = (NMHEADER *)nmhdr;
+ switch ( nmhdr->code )
+ {
+ case HDN_BEGINTRACK:
+ // user has started to resize a column:
+ // do we need to veto it?
+ if (!GetColumn(nmHDR->iItem)->IsResizeable())
+ {
+ // veto it!
+ *result = TRUE;
+ }
+ break;
+
+ case HDN_BEGINDRAG:
+ // user has started to reorder a column
+ break;
+
+ case HDN_ITEMCHANGING:
+ if (nmHDR->pitem != NULL &&
+ (nmHDR->pitem->mask & HDI_WIDTH) != 0)
+ {
+ int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
+ if (nmHDR->pitem->cxy < minWidth)
+ {
+ // do not allow the user to resize this column under
+ // its minimal width:
+ *result = TRUE;
+ }
+ }
+ break;
+
+ case HDN_ITEMCHANGED: // user is resizing a column
+ case HDN_ENDTRACK: // user has finished resizing a column
+ case HDN_ENDDRAG: // user has finished reordering a column
+
+ // update the width of the modified column:
+ if (nmHDR->pitem != NULL &&
+ (nmHDR->pitem->mask & HDI_WIDTH) != 0)
+ {
+ unsigned int idx = GetColumnIdxFromHeader(nmHDR);
+ unsigned int w = nmHDR->pitem->cxy;
+ wxDataViewColumn *col = GetColumn(idx);
+
+ // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
+ if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
+ w -= COLUMN_WIDTH_OFFSET;
+
+ if (w >= (unsigned)col->GetMinWidth())
+ col->SetInternalWidth(w);
+ }
+ break;
+
+ case HDN_ITEMCLICK:
+ {
+ unsigned int idx = GetColumnIdxFromHeader(nmHDR);
+ wxDataViewModel * model = GetOwner()->GetModel();
+
+ if(nmHDR->iButton == 0)
+ {
+ wxDataViewColumn *col = GetColumn(idx);
+ if(col->IsSortable())
+ {
+ if(model && model->GetSortingColumn() == idx)
+ {
+ bool order = col->IsSortOrderAscending();
+ col->SetSortOrder(!order);
+ model->SetSortOrderAscending(!order);
+ }
+ else if(model)
+ {
+ model->SetSortingColumn(idx);
+ model->SetSortOrderAscending(true);
+ }
+ }
+ UpdateDisplay();
+ if(model)
+ model->Resort();
+ }
+
+ wxEventType evt = nmHDR->iButton == 0 ?
+ wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
+ wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
+ SendEvent(evt, idx);
+ }
+ break;
+
+ case NM_RCLICK:
+ {
+ // NOTE: for some reason (i.e. for a bug in Windows)
+ // the HDN_ITEMCLICK notification is not sent on
+ // right clicks, so we need to handle NM_RCLICK
+
+ POINT ptClick;
+ int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
+ if (column != wxNOT_FOUND)
+ {
+ HDITEM item;
+ item.mask = HDI_LPARAM;
+ Header_GetItem((HWND)m_hWnd, column, &item);
+
+ // 'idx' may be different from 'column' if there are
+ // hidden columns...
+ unsigned int idx = (unsigned int)item.lParam;
+ SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
+ idx);
+ }
+ }
+ break;
+
+ case HDN_GETDISPINFOW:
+ // see wxListCtrl::MSWOnNotify for more info!
+ break;
+
+ case HDN_ITEMDBLCLICK:
+ {
+ unsigned int idx = GetColumnIdxFromHeader(nmHDR);
+ int w = GetOwner()->GetBestColumnWidth(idx);
+
+ // update the native control:
+ HDITEM hd;
+ ZeroMemory(&hd, sizeof(hd));
+ hd.mask = HDI_WIDTH;
+ hd.cxy = w;
+ Header_SetItem(GetHwnd(),
+ nmHDR->iItem, // NOTE: we don't want 'idx' here!
+ &hd);
+
+ // update the wxDataViewColumn class:
+ GetColumn(idx)->SetInternalWidth(w);
+ }
+ break;
+
+ default:
+ return wxWindow::MSWOnNotify(idCtrl, lParam, result);
+ }
+
+ return true;
+}
+
+void wxDataViewHeaderWindowMSW::ScrollWindow(int WXUNUSED(dx), int WXUNUSED(dy),
+ const wxRect *WXUNUSED(rect))
+{
+ wxSize ourSz = GetClientSize();
+ wxSize ownerSz = m_owner->GetClientSize();
+
+ // where should the (logical) origin of this window be placed?
+ int x1 = 0, y1 = 0;
+ m_owner->CalcUnscrolledPosition(0, 0, &x1, &y1);
+
+ // put this window on top of our parent and
+ SetWindowPos((HWND)m_hWnd, HWND_TOP, -x1, 0,
+ ownerSz.GetWidth() + x1, ourSz.GetHeight(),
+ SWP_SHOWWINDOW);
+}
+
+void wxDataViewHeaderWindowMSW::DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
+ int WXUNUSED(w), int WXUNUSED(h),
+ int WXUNUSED(f))
+{
+ // the wxDataViewCtrl's internal wxBoxSizer will call this function when
+ // the wxDataViewCtrl window gets resized: the following dummy call
+ // to ScrollWindow() is required in order to get this header window
+ // correctly repainted when it's (horizontally) scrolled:
+
+ ScrollWindow(0, 0);
+}
+
+#else // !defined(__WXMSW__)
+
+IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
+BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
+ EVT_PAINT (wxGenericDataViewHeaderWindow::OnPaint)
+ EVT_MOUSE_EVENTS (wxGenericDataViewHeaderWindow::OnMouse)
+ EVT_SET_FOCUS (wxGenericDataViewHeaderWindow::OnSetFocus)
+END_EVENT_TABLE()
+
+bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size,
+ const wxString &name )
+{
+ m_owner = parent;
+
+ if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
+ return false;
+
+ wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
+ SetBackgroundStyle( wxBG_STYLE_CUSTOM );
+ SetOwnForegroundColour( attr.colFg );
+ SetOwnBackgroundColour( attr.colBg );
+ if (!m_hasFont)
+ SetOwnFont( attr.font );
+
+ // set our size hints: wxDataViewCtrl will put this wxWindow inside
+ // a wxBoxSizer and in order to avoid super-big header windows,
+ // we need to set our height as fixed
+ SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
+ SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
+
+ return true;
+}
+
+void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
+{
+ 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())
+ {
+ if (col->IsSortOrderAscending())
+ sortArrow = wxHDR_SORT_ICON_UP;
+ else
+ sortArrow = wxHDR_SORT_ICON_DOWN;
+ }
+
+ wxRendererNative::Get().DrawHeaderButton
+ (
+ this,
+ dc,
+ wxRect(xpos, 0, cw, ch-1),
+ m_parent->IsEnabled() ? 0
+ : (int)wxCONTROL_DISABLED,
+ 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_CENTER:
+ case wxALIGN_CENTER_HORIZONTAL:
+ x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
+ break;
+ case wxALIGN_RIGHT:
+ x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
+ 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;
+
+ // erase the line if it was drawn
+ if (m_currentX < w)
+ DrawCurrent();
+
+ if (event.ButtonUp())
+ {
+ m_isDragging = false;
+ if (HasCapture())
+ ReleaseMouse();
+
+ m_dirty = true;
+
+ GetColumn(m_column)->SetWidth(m_currentX - m_minX);
+
+ Refresh();
+ GetOwner()->Refresh();
+ }
+ else
+ {
+ m_currentX = wxMax(m_minX + 7, x);
+
+ // draw in the new location
+ if (m_currentX < w) DrawCurrent();
+ }
+
+ }
+ 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;
+ }
+
+ 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;
+ DrawCurrent();
+ }
+ else // click on a column
+ {
+ wxEventType evt = event.LeftDown() ?
+ wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
+ wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
+ SendEvent(evt, m_column);
+ }
+ }
+ else if (event.Moving())
+ {
+ if (hit_border && resizeable)
+ m_currentCursor = m_resizeCursor;
+ else
+ m_currentCursor = wxSTANDARD_CURSOR;
+
+ SetCursor(*m_currentCursor);
+ }
+ }
+}
+
+void wxGenericDataViewHeaderWindow::DrawCurrent()
+{
+ int x1 = m_currentX;
+ int y1 = 0;
+ ClientToScreen (&x1, &y1);
+
+ int x2 = m_currentX-1;
+#ifdef __WXMSW__
+ ++x2; // but why ????
+#endif
+ int y2 = 0;
+ m_owner->GetClientSize( NULL, &y2 );
+ m_owner->ClientToScreen( &x2, &y2 );
+
+ wxScreenDC dc;
+ dc.SetLogicalFunction(wxINVERT);
+ dc.SetPen(m_penCurrent);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+ AdjustDC(dc);
+ dc.DrawLine(x1, y1, x2, y2);
+}
+
+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, 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;
+
+ // TODO: we need to calculate this smartly
+ m_lineHeight =
+#ifdef __WXMSW__
+ 17;
+#else
+ 20;
+#endif
+ wxASSERT(m_lineHeight > 2*PADDING_TOPBOTTOM);
+
+ 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 ;
+ 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;
+};
+
+#if 0
+class ItemAddJob: public DoJob
+{
+public:
+ ItemAddJob( const wxDataViewItem & parent, const wxDataViewItem & item, int * count )
+ { this->parent = parent ; this->item = item ; m_count = count; }
+ virtual ~ItemAddJob(){};
+
+ virtual int operator() ( wxDataViewTreeNode * node )
+ {
+ if( node->GetItem() == parent )
+ {
+ node->SetHasChildren( true );
+ wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
+ newnode->SetItem(item);
+ node->AppendChild( newnode);
+ *m_count = -1;
+ return OK;
+ }
+ return CONT;
+ }
+
+private:
+ int * m_count;
+ wxDataViewItem parent, item;
+};
+#endif
+
+bool Walker( wxDataViewTreeNode * node, DoJob & func )
+{
+ if( node==NULL || !node->HasChildren())
+ return false;
+
+ 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++;
+
+ switch( func( nd ) )
+ {
+ case DoJob::OK :
+ return true ;
+ case DoJob::IGR:
+ continue;
+ case DoJob::CONT:
+ default:
+ ;
+ }
+
+ 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)
+{
+ g_model = GetOwner()->GetModel();
+
+ 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);
+ node->AddNode( newnode);
+ }
+ else
+ node->AddLeaf( item.GetID() );
+
+ node->ChangeSubTreeCount(1);
+
+ m_count = -1;
+ UpdateDisplay();
+ return true;
+}
+
+#if 0
+class ItemDeleteJob: public DoJob
+{
+public:
+ ItemDeleteJob( const wxDataViewItem & item, int * count ) { m_item = item; m_count = count; }
+ virtual ~ItemDeleteJob(){}
+ virtual int operator() ( wxDataViewTreeNode * node )
+ {
+ if( node->GetItem() == m_item )
+ {
+ node->GetParent()->GetChildren().Remove( node );
+ delete node;
+ *m_count = -1;
+ return DoJob::OK;
+ }
+ return DoJob::CONT;
+ }
+
+private:
+ int * m_count;
+ wxDataViewItem m_item;
+};
+#endif
+
+void DestroyTreeHelper( wxDataViewTreeNode * node);
+
+bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
+ const wxDataViewItem& item)
+{
+ g_model = GetOwner()->GetModel();
+
+ wxDataViewTreeNode * node;
+ node = FindNode(parent);
+
+ if( node == NULL || node->GetChildren().Index( item.GetID() ) == wxNOT_FOUND )
+ {
+ return false;
+ }
+
+ int sub = -1;
+ node->GetChildren().Remove( item.GetID() );
+ if( GetOwner()->GetModel()->IsContainer( item ) )
+ {
+ 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;
+ }
+ }
+
+ if (!n)
+ return false;
+
+ node->GetNodes().Remove( n );
+ sub -= n->GetSubTreeCount();
+ DestroyTreeHelper(n);
+ }
+
+ if( node->GetChildrenNumber() == 0)
+ node->SetHasChildren( false );
+
+ //Make the row number invalid and get a new valid one when user call GetRowCount
+ m_count = -1;
+ node->ChangeSubTreeCount(sub);
+ //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)
+{
+ g_model = GetOwner()->GetModel();
+
+ unsigned int row = GetRowByItem(item);
+ RefreshRow( row );
+ return true;
+}
+
+bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int WXUNUSED(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;
+*/
+ g_model = GetOwner()->GetModel();
+
+ unsigned int row = GetRowByItem(item);
+ RefreshRow( row );
+ return true;
+}
+
+bool wxDataViewMainWindow::Cleared()
+{
+ g_model = GetOwner()->GetModel();
+
+ DestroyTree();
+ UpdateDisplay();
+ return true;
+}
+
+void wxDataViewMainWindow::UpdateDisplay()
+{
+ m_dirty = true;
+}
+
+void wxDataViewMainWindow::OnInternalIdle()
+{
+ wxWindow::OnInternalIdle();
+
+ if (m_dirty)
+ {
+ RecalculateDisplay();
+ m_dirty = false;
+ }
+}
+
+void wxDataViewMainWindow::RecalculateDisplay()
+{
+ wxDataViewModel *model = GetOwner()->GetModel();
+ if (!model)
+ {
+ Refresh();
+ return;
+ }
+
+ int width = GetEndOfLastCol();
+ int height = GetRowCount() * m_lineHeight;
+
+ SetVirtualSize( width, height );
+ GetOwner()->SetScrollRate( 10, m_lineHeight );
+
+ Refresh();
+}
+
+void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
+{
+ wxWindow::ScrollWindow( dx, dy, rect );
+
+ if (GetOwner()->m_headerArea)
+ GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
+}
+
+void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
+{
+ wxDataViewModel *model = GetOwner()->GetModel();
+ wxAutoBufferedPaintDC dc( this );
+
+ // prepare the DC
+ dc.SetBackground(GetBackgroundColour());
+ dc.Clear();
+ GetOwner()->PrepareDC( dc );
+ dc.SetFont( GetFont() );
+
+ wxRect update = GetUpdateRegion().GetBox();
+ m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
+
+ // compute which items needs to be redrawn
+ unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
+ unsigned int item_count =
+ wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
+ (int)(GetRowCount( )- item_start) );
+ unsigned int item_last = item_start + item_count;
+
+ // compute which columns needs to be redrawn
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int col_start = 0;
+ unsigned int x_start = 0;
+ for (x_start = 0; col_start < cols; col_start++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
+ if (col->IsHidden())
+ continue; // skip it!
+
+ unsigned int w = col->GetWidth();
+ if (x_start+w >= (unsigned int)update.x)
+ break;
+
+ x_start += w;
+ }
+
+ unsigned int col_last = col_start;
+ unsigned int x_last = x_start;
+ for (; col_last < cols; col_last++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
+ if (col->IsHidden())
+ continue; // skip it!
+
+ if (x_last > (unsigned int)update.GetRight())
+ break;
+
+ x_last += col->GetWidth();
+ }
+
+ // Draw horizontal rules if required
+ if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
+ {
+ dc.SetPen(m_penRule);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+ for (unsigned int i = item_start; i <= item_last+1; i++)
+ {
+ int y = i * m_lineHeight;
+ dc.DrawLine(x_start, y, x_last, y);
+ }
+ }
+
+ // Draw vertical rules if required
+ if ( m_owner->HasFlag(wxDV_VERT_RULES) )
+ {
+ dc.SetPen(m_penRule);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+ int x = x_start;
+ for (unsigned int i = col_start; i < col_last; i++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumn(i);
+ if (col->IsHidden())
+ continue; // skip it
+
+ dc.DrawLine(x, item_start * m_lineHeight,
+ x, item_last * m_lineHeight);
+
+ x += col->GetWidth();
+ }
+
+ // Draw last vertical rule
+ dc.DrawLine(x, item_start * m_lineHeight,
+ x, item_last * m_lineHeight);
+ }
+
+ // redraw the background for the items which are selected/current
+ for (unsigned int item = item_start; item < item_last; item++)
+ {
+ bool selected = m_selection.Index( item ) != wxNOT_FOUND;
+ if (selected || item == m_currentRow)
+ {
+ int flags = selected ? (int)wxCONTROL_SELECTED : 0;
+ if (item == m_currentRow)
+ flags |= wxCONTROL_CURRENT;
+ if (m_hasFocus)
+ flags |= wxCONTROL_FOCUSED;
+
+ wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
+ wxRendererNative::Get().DrawItemSelectionRect
+ (
+ this,
+ dc,
+ rect,
+ flags
+ );
+ }
+ }
+
+ // redraw all cells for all rows which must be repainted and for all columns
+ wxRect cell_rect;
+ cell_rect.x = x_start;
+ cell_rect.height = m_lineHeight; // -1 is for the horizontal rules
+ for (unsigned int i = col_start; i < col_last; i++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumn( i );
+ wxDataViewRenderer *cell = col->GetRenderer();
+ cell_rect.width = col->GetWidth();
+
+ if (col->IsHidden())
+ continue; // skipt it!
+
+ for (unsigned int item = item_start; item < item_last; item++)
+ {
+ // get the cell value and set it into the renderer
+ wxVariant value;
+ wxDataViewTreeNode * node = GetTreeNodeByRow(item);
+ if( node == NULL )
+ {
+ continue;
+ }
+
+ wxDataViewItem dataitem = node->GetItem();
+ model->GetValue( value, dataitem, col->GetModelColumn());
+ cell->SetValue( value );
+
+ // update the y offset
+ cell_rect.y = item * m_lineHeight;
+
+ //Draw the expander here.
+ int indent = node->GetIndentLevel();
+ if( col->GetModelColumn() == GetOwner()->GetExpanderColumn() )
+ {
+ //Calculate the indent first
+ indent = cell_rect.x + GetOwner()->GetIndent() * indent;
+
+ int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
+ // change the cell_rect.x to the appropriate pos
+ int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
+ indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space
+ dc.SetPen( m_penExpander );
+ dc.SetBrush( wxNullBrush );
+ if( node->HasChildren() )
+ {
+ //dc.DrawRoundedRectangle( expander_x,expander_y,expander_width,expander_width, 1.0);
+ //dc.DrawLine( expander_x + 2 , expander_y + expander_width/2, expander_x + expander_width - 2, expander_y + expander_width/2 );
+ wxRect rect( expander_x , expander_y, expander_width, expander_width);
+ if( node->IsOpen() )
+ wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, wxCONTROL_EXPANDED );
+ else
+ wxRendererNative::Get().DrawTreeItemButton( this, dc, rect );
+ }
+ else
+ {
+ // I am wandering whether we should draw dot lines between tree nodes
+ delete node;
+ //Yes, if the node does not have any child, it must be a leaf which mean that it is a temporarily created by GetTreeNodeByRow
+ }
+
+ //force the expander column to left-center align
+ cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
+ }
+
+
+ // cannot be bigger than allocated space
+ wxSize size = cell->GetSize();
+ // Because of the tree structure indent, here we should minus the width of the cell for drawing
+ size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
+ size.y = wxMin( size.y + 2*PADDING_TOPBOTTOM, cell_rect.height );
+
+ wxRect item_rect(cell_rect.GetTopLeft(), size);
+ int align = cell->GetAlignment();
+
+ // horizontal alignment:
+ item_rect.x = cell_rect.x;
+ if (align & wxALIGN_CENTER_HORIZONTAL)
+ item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
+ else if (align & wxALIGN_RIGHT)
+ item_rect.x = cell_rect.x + cell_rect.width - size.x;
+ //else: wxALIGN_LEFT is the default
+
+ // vertical alignment:
+ item_rect.y = cell_rect.y;
+ if (align & wxALIGN_CENTER_VERTICAL)
+ item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
+ else if (align & wxALIGN_BOTTOM)
+ item_rect.y = cell_rect.y + cell_rect.height - size.y;
+ //else: wxALIGN_TOP is the default
+
+ // add padding
+ item_rect.x += PADDING_RIGHTLEFT;
+ item_rect.y += PADDING_TOPBOTTOM;
+ item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
+ item_rect.height = size.y - 2 * PADDING_TOPBOTTOM;
+
+ //Here we add the tree indent
+ item_rect.x += indent;
+
+ int state = 0;
+ if (m_selection.Index(item) != wxNOT_FOUND)
+ state |= wxDATAVIEW_CELL_SELECTED;
+
+ // TODO: it would be much more efficient to create a clipping
+ // region for the entire column being rendered (in the OnPaint
+ // of wxDataViewMainWindow) instead of a single clip region for
+ // each cell. However it would mean that each renderer should
+ // respect the given wxRect's top & bottom coords, eventually
+ // violating only the left & right coords - however the user can
+ // make its own renderer and thus we cannot be sure of that.
+ dc.SetClippingRegion( item_rect );
+ cell->Render( item_rect, &dc, state );
+ dc.DestroyClippingRegion();
+ }
+
+ cell_rect.x += cell_rect.width;
+ }
+}
+
+int wxDataViewMainWindow::GetCountPerPage() const
+{
+ wxSize size = GetClientSize();
+ return size.y / m_lineHeight;
+}
+
+int wxDataViewMainWindow::GetEndOfLastCol() const
+{
+ int width = 0;
+ unsigned int i;
+ for (i = 0; i < GetOwner()->GetColumnCount(); i++)
+ {
+ const wxDataViewColumn *c =
+ wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
+
+ if (!c->IsHidden())
+ width += c->GetWidth();
+ }
+ return width;
+}
+
+unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
+{
+ int x = 0;
+ int y = 0;
+ m_owner->CalcUnscrolledPosition( x, y, &x, &y );
+
+ return y / m_lineHeight;
+}
+
+unsigned int wxDataViewMainWindow::GetLastVisibleRow()
+{
+ wxSize client_size = GetClientSize();
+ m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
+ &client_size.x, &client_size.y );
+
+ return wxMin( GetRowCount()-1, ((unsigned)client_size.y/m_lineHeight)+1 );
+}
+
+unsigned int wxDataViewMainWindow::GetRowCount()
+{
+ if ( m_count == -1 )
+ {
+ m_count = RecalculateCount();
+ int width, height;
+ GetVirtualSize( &width, &height );
+ height = m_count * m_lineHeight;
+
+ SetVirtualSize( width, height );
+ }
+ return m_count;
+}
+
+void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
+{
+ m_currentRow = row;
+
+ // send event
+}
+
+void wxDataViewMainWindow::SelectAllRows( bool on )
+{
+ if (IsEmpty())
+ return;
+
+ if (on)
+ {
+ m_selection.Clear();
+ for (unsigned int i = 0; i < GetRowCount(); i++)
+ m_selection.Add( i );
+ Refresh();
+ }
+ else
+ {
+ unsigned int first_visible = GetFirstVisibleRow();
+ unsigned int last_visible = GetLastVisibleRow();
+ unsigned int i;
+ for (i = 0; i < m_selection.GetCount(); i++)
+ {
+ unsigned int row = m_selection[i];
+ if ((row >= first_visible) && (row <= last_visible))
+ RefreshRow( row );
+ }
+ m_selection.Clear();
+ }
+}
+
+void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
+{
+ if (m_selection.Index( row ) == wxNOT_FOUND)
+ {
+ if (on)
+ {
+ m_selection.Add( row );
+ RefreshRow( row );
+ }
+ }
+ else
+ {
+ if (!on)
+ {
+ m_selection.Remove( row );
+ RefreshRow( row );
+ }
+ }
+}
+
+void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
+{
+ if (from > to)
+ {
+ unsigned int tmp = from;
+ from = to;
+ to = tmp;
+ }
+
+ unsigned int i;
+ for (i = from; i <= to; i++)
+ {
+ if (m_selection.Index( i ) == wxNOT_FOUND)
+ {
+ if (on)
+ m_selection.Add( i );
+ }
+ else
+ {
+ if (!on)
+ m_selection.Remove( i );
+ }
+ }
+ RefreshRows( from, to );
+}
+
+void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
+{
+ for (size_t i=0; i < aSelections.GetCount(); i++)
+ {
+ int n = aSelections[i];
+
+ m_selection.Add( n );
+ RefreshRow( n );
+ }
+}
+
+void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
+{
+ if (m_selection.Index( row ) == wxNOT_FOUND)
+ m_selection.Add( row );
+ else
+ m_selection.Remove( row );
+ RefreshRow( row );
+}
+
+bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
+{
+ return (m_selection.Index( row ) != wxNOT_FOUND);
+}
+
+void wxDataViewMainWindow::RefreshRow( unsigned int row )
+{
+ wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
+ m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+
+ wxSize client_size = GetClientSize();
+ wxRect client_rect( 0, 0, client_size.x, client_size.y );
+ wxRect intersect_rect = client_rect.Intersect( rect );
+ if (intersect_rect.width > 0)
+ Refresh( true, &intersect_rect );
+}
+
+void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
+{
+ if (from > to)
+ {
+ unsigned int tmp = to;
+ to = from;
+ from = tmp;
+ }
+
+ wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
+ m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+
+ wxSize client_size = GetClientSize();
+ wxRect client_rect( 0, 0, client_size.x, client_size.y );
+ wxRect intersect_rect = client_rect.Intersect( rect );
+ if (intersect_rect.width > 0)
+ Refresh( true, &intersect_rect );
+}
+
+void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
+{
+ unsigned int count = GetRowCount();
+ if (firstRow > count)
+ return;
+
+ wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
+ m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+
+ wxSize client_size = GetClientSize();
+ wxRect client_rect( 0, 0, client_size.x, client_size.y );
+ wxRect intersect_rect = client_rect.Intersect( rect );
+ if (intersect_rect.width > 0)
+ Refresh( true, &intersect_rect );
+}
+
+void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
+{
+ wxCHECK_RET( newCurrent < GetRowCount(),
+ _T("invalid item index in OnArrowChar()") );
+
+ // if there is no selection, we cannot move it anywhere
+ if (!HasCurrentRow())
+ return;
+
+ unsigned int oldCurrent = m_currentRow;
+
+ // in single selection we just ignore Shift as we can't select several
+ // items anyhow
+ if ( event.ShiftDown() && !IsSingleSel() )
+ {
+ RefreshRow( oldCurrent );
+
+ ChangeCurrentRow( newCurrent );
+
+ // select all the items between the old and the new one
+ if ( oldCurrent > newCurrent )
+ {
+ newCurrent = oldCurrent;
+ oldCurrent = m_currentRow;
+ }
+
+ SelectRows( oldCurrent, newCurrent, true );
+ }
+ else // !shift
+ {
+ RefreshRow( oldCurrent );
+
+ // all previously selected items are unselected unless ctrl is held
+ if ( !event.ControlDown() )
+ SelectAllRows(false);
+
+ ChangeCurrentRow( newCurrent );
+
+ if ( !event.ControlDown() )
+ SelectRow( m_currentRow, true );
+ else
+ RefreshRow( m_currentRow );
+ }
+
+ //EnsureVisible( m_currentRow );
+}
+
+wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
+{
+ wxRect rect;
+ rect.x = 0;
+ rect.y = m_lineHeight * row;
+ rect.width = GetEndOfLastCol();
+ rect.height = m_lineHeight;
+
+ return rect;
+}
+
+class RowToItemJob: public DoJob
+{
+public:
+ RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
+ virtual ~RowToItemJob(){};
+
+ virtual int operator() ( wxDataViewTreeNode * node )
+ {
+ current ++;
+ if( current == static_cast<int>(row))
+ {
+ ret = node->GetItem() ;
+ return DoJob::OK;
+ }
+
+ if( node->GetSubTreeCount() + current < static_cast<int>(row) )
+ {
+ current += node->GetSubTreeCount();
+ return DoJob::IGR;
+ }
+ else
+ return DoJob::CONT;
+ }
+
+ virtual int operator() ( void * n )
+ {
+ current ++;
+ if( current == static_cast<int>(row))
+ {
+ ret = wxDataViewItem( n ) ;
+ return DoJob::OK;
+ }
+ return DoJob::CONT;
+ }
+ wxDataViewItem GetResult(){ return ret; }
+private:
+ unsigned int row;
+ int current ;
+ wxDataViewItem ret;
+};
+
+wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row)
+{
+ RowToItemJob job( row, -1 );
+ Walker( m_root , job );
+ return job.GetResult();
+}
+
+class RowToTreeNodeJob: public DoJob
+{
+public:
+ RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
+ {
+ this->row = row;
+ this->current = current ;
+ ret = NULL ;
+ parent = node;
+ }
+ virtual ~RowToTreeNodeJob(){};
+
+ virtual int operator() ( wxDataViewTreeNode * node )
+ {
+ current ++;
+ if( current == static_cast<int>(row))
+ {
+ ret = node ;
+ return DoJob::OK;
+ }
+
+ if( node->GetSubTreeCount() + current < static_cast<int>(row) )
+ {
+ current += node->GetSubTreeCount();
+ return DoJob::IGR;
+ }
+ else
+ {
+ parent = node;
+ return DoJob::CONT;
+ }
+
+ }
+
+ virtual int operator() ( void * n )
+ {
+ current ++;
+ if( current == static_cast<int>(row))
+ {
+ ret = new wxDataViewTreeNode( parent ) ;
+ ret->SetItem( wxDataViewItem( n ));
+ ret->SetHasChildren(false);
+ return DoJob::OK;
+ }
+
+ return DoJob::CONT;
+ }
+ wxDataViewTreeNode * GetResult(){ return ret; }
+private:
+ unsigned int row;
+ int current ;
+ wxDataViewTreeNode * ret;
+ wxDataViewTreeNode * parent ;
+};
+
+
+wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
+{
+ RowToTreeNodeJob job( row , -1, m_root );
+ Walker( m_root , job );
+ return job.GetResult();
+}
+
+#if 0
+class CountJob : public DoJob
+{
+public:
+ CountJob(){ count = 0 ; }
+ virtual ~CountJob(){};
+
+ virtual int operator () ( wxDataViewTreeNode * node )
+ {
+ count ++;
+ if ( node->IsOpen())
+ return DoJob::CONT;
+ else
+ return DoJob::IGR;
+ }
+
+ unsigned int GetResult()
+ {
+ return count ;
+ }
+private:
+ unsigned int count;
+};
+#endif
+
+void wxDataViewMainWindow::OnExpanding( unsigned int row )
+{
+ wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+ if( node != NULL )
+ {
+ if( node->HasChildren())
+ if( !node->IsOpen())
+ {
+ node->ToggleOpen();
+ //Here I build the children of current node
+ if( node->GetChildrenNumber() == 0 )
+ BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
+ m_count = -1;
+ UpdateDisplay();
+ }
+ else
+ {
+ SelectRow( row, false );
+ SelectRow( row + 1, true );
+ ChangeCurrentRow( row + 1 );
+ }
+ else
+ delete node;
+ }
+}
+
+void wxDataViewMainWindow::OnCollapsing(unsigned int row)
+{
+ wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+ if( node != NULL )
+ {
+ wxDataViewTreeNode * nd = node;
+
+ if( node->HasChildren() && node->IsOpen() )
+ {
+ node->ToggleOpen();
+ m_count = -1;
+ UpdateDisplay();
+ //RefreshRows(row,GetLastVisibleRow());
+ }
+ else
+ {
+ node = node->GetParent();
+ if( node != NULL )
+ {
+ int parent = GetRowByItem( node->GetItem()) ;
+ SelectRow( row, false);
+ SelectRow(parent , true );
+ ChangeCurrentRow( parent );
+ }
+ }
+ if( !nd->HasChildren())
+ delete nd;
+ }
+}
+
+wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
+{
+ wxDataViewModel * model = GetOwner()->GetModel();
+ if( model == NULL )
+ return NULL;
+
+ //Compose the a parent-chain of the finding item
+ ItemList list;
+ list.DeleteContents( true );
+ wxDataViewItem it( item );
+ while( it.IsOk() )
+ {
+ wxDataViewItem * pItem = new wxDataViewItem( it );
+ list.Insert( pItem );
+ it = model->GetParent( it );
+ }
+
+ //Find the item along the parent-chain.
+ //This algorithm is designed to speed up the node-finding method
+ bool found = true;
+ wxDataViewTreeNode * node = m_root;
+ for( ItemList::Node * n = list.GetFirst(); n; n = n->GetNext() )
+ {
+ if( node->HasChildren() )
+ {
+ if( node->GetChildrenNumber() == 0 )
+ BuildTreeHelper(model, node->GetItem(), node);
+
+ int len = node->GetNodeNumber();
+ wxDataViewTreeNodes nodes = node->GetNodes();
+ int j = 0;
+ for( ; j < len; j ++)
+ {
+ if( nodes[j]->GetItem() == *(n->GetData()))
+ {
+ node = nodes[j];
+ break;
+ }
+ }
+ // Whenever we can't find the node in any level, return NULL to indicate the item can't be found
+ if( j == len )
+ {
+ found = false;
+ return NULL;
+ }
+ }
+ else
+ return NULL;
+ }
+ return node;
+}
+
+int wxDataViewMainWindow::RecalculateCount()
+{
+ return m_root->GetSubTreeCount();
+}
+
+class ItemToRowJob : public DoJob
+{
+public:
+ ItemToRowJob(const wxDataViewItem & item, ItemList::Node * node )
+ { this->item = item ; ret = 0 ; nd = node ; }
+ virtual ~ItemToRowJob(){};
+
+ virtual int operator() ( wxDataViewTreeNode * node)
+ {
+ ret ++;
+ if( node->GetItem() == item )
+ {
+ return DoJob::OK;
+ }
+
+ if( nd && node->GetItem() == *(nd->GetData()))
+ {
+ nd = nd->GetNext();
+ return DoJob::CONT;
+ }
+ else
+ {
+ ret += node->GetSubTreeCount();
+ return DoJob::IGR;
+ }
+
+ }
+
+ virtual int operator() ( void * n )
+ {
+ ret ++;
+ if( n == item.GetID() )
+ return DoJob::OK;
+ return DoJob::CONT;
+ }
+ //the row number is begin from zero
+ int GetResult(){ return ret -1 ; }
+private:
+ ItemList::Node * nd;
+ wxDataViewItem item;
+ int ret;
+
+};
+
+unsigned int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
+{
+ wxDataViewModel * model = GetOwner()->GetModel();
+ if( model == NULL )
+ return 0;
+
+ //Compose the a parent-chain of the finding item
+ ItemList list;
+ list.DeleteContents( true );
+ wxDataViewItem it( item );
+ while( it.IsOk() )
+ {
+ wxDataViewItem * pItem = new wxDataViewItem( it );
+ list.Insert( pItem );
+ it = model->GetParent( it );
+ }
+
+ ItemToRowJob job( item, list.GetFirst() );
+ Walker(m_root , job );
+ return job.GetResult();
+}
+
+void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node)
+{
+ if( !model->IsContainer( item ) )
+ return ;
+
+ wxDataViewItem i = model->GetFirstChild( item );
+ int num = 0;
+ while( i.IsOk() )
+ {
+ num ++;
+ if( model->IsContainer( i ) )
+ {
+ wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
+ n->SetItem(i);
+ n->SetHasChildren( true ) ;
+ node->AddNode( n );
+ }
+ else
+ {
+ node->AddLeaf( i.GetID() );
+ }
+ i = model->GetNextSibling( i );
+ }
+ node->SetSubTreeCount( num );
+ wxDataViewTreeNode * n = node->GetParent();
+ if( n != NULL)
+ n->ChangeSubTreeCount(num);
projects / wxWidgets.git / blobdiff