X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/33ba5a05623023af942a6b34b0758a98b12d4c82..3f239e37605aa38b26b3954565b865600a4152aa:/src/generic/datavgen.cpp diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp index a5d7e955fd..1a442101fc 100644 --- a/src/generic/datavgen.cpp +++ b/src/generic/datavgen.cpp @@ -138,12 +138,16 @@ public: // the column count virtual void UpdateDisplay(); + virtual void OnInternalIdle(); + // called Refresh afterwards virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL); + virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; } + protected: virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); - + virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags); wxSize DoGetBestSize() const; @@ -152,9 +156,10 @@ protected: wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR) { return GetColumn(GetColumnIdxFromHeader(nmHDR)); } - - int m_scrollOffsetX; - int m_buttonHeight; + + int m_scrollOffsetX; + int m_buttonHeight; + bool m_delayedUpdate; private: DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW) @@ -743,7 +748,7 @@ bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(sta colour = dc->GetTextForeground(); dc->SetTextForeground( m_attr.GetColour() ); } - + if (m_attr.GetBold() || m_attr.GetItalic()) { font = dc->GetFont(); @@ -755,22 +760,22 @@ bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(sta dc->SetFont( myfont ); } } - + dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2)); - + // restore dc if (m_hasAttr) { if (m_attr.HasColour()) dc->SetTextForeground( colour ); - + if (m_attr.GetBold() || m_attr.GetItalic()) dc->SetFont( font ); } - + return true; } - + // --------------------------------------------------------- // wxDataViewBitmapRenderer @@ -1142,6 +1147,8 @@ wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *c SetTitle(title); SetFlags(flags); + m_autosize = width < 0; // TODO + Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width); } @@ -1199,6 +1206,14 @@ void wxDataViewColumn::SetSortable( bool sortable ) GetOwner()->OnColumnChange(); } +void wxDataViewColumn::SetReorderable( bool reorderable ) +{ + if (reorderable) + m_flags |= wxDATAVIEW_COL_REORDERABLE; + else + m_flags &= ~wxDATAVIEW_COL_REORDERABLE; +} + void wxDataViewColumn::SetSortOrder( bool ascending ) { m_ascending = ascending; @@ -1271,23 +1286,26 @@ bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id, m_owner = parent; m_scrollOffsetX = 0; - m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this ) + 10; + m_delayedUpdate = false; + m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this ); 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 ? m_buttonHeight : size.y; + h = m_buttonHeight; + + wxSize new_size(w,h); - if ( !CreateControl(parent, id, pos, size, 0, wxDefaultValidator, name) ) + if ( !CreateControl(parent, id, pos, new_size, 0, wxDefaultValidator, name) ) return false; // create the native WC_HEADER window: WXHWND hwndParent = (HWND)parent->GetHandle(); WXDWORD msStyle = WS_CHILD | HDS_DRAGDROP | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG; - + if ( m_isShown ) msStyle |= WS_VISIBLE; - + m_hWnd = CreateWindowEx(0, WC_HEADER, (LPCTSTR) NULL, @@ -1310,7 +1328,7 @@ bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id, // 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()); - + return true; } @@ -1321,7 +1339,16 @@ wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow() wxSize wxDataViewHeaderWindowMSW::DoGetBestSize() const { - return wxSize(80, m_buttonHeight ); + return wxSize( 80, m_buttonHeight+2 ); +} + +void wxDataViewHeaderWindowMSW::OnInternalIdle() +{ + if (m_delayedUpdate) + { + m_delayedUpdate = false; + UpdateDisplay(); + } } void wxDataViewHeaderWindowMSW::UpdateDisplay() @@ -1435,6 +1462,20 @@ bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARA case HDN_BEGINDRAG: // user has started to reorder a column + if (!GetColumn(nmHDR->iItem)->IsReorderable()) + { + // veto it! + *result = TRUE; + } + break; + + case HDN_ENDDRAG: // user has finished reordering a column + { + wxDataViewColumn *col = GetColumn(nmHDR->iItem); + unsigned int new_pos = nmHDR->pitem->iOrder; + m_owner->ColumnMoved( col, new_pos ); + m_delayedUpdate = true; + } break; case HDN_ITEMCHANGING: @@ -1453,7 +1494,6 @@ bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARA 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 && @@ -1561,7 +1601,7 @@ void wxDataViewHeaderWindowMSW::ScrollWindow(int dx, int WXUNUSED(dy), const wxRect * WXUNUSED(rect)) { m_scrollOffsetX += dx; - + GetParent()->Layout(); } @@ -1924,9 +1964,10 @@ wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID i m_hasFocus = false; - SetBackgroundStyle( wxBG_STYLE_CUSTOM ); SetBackgroundColour( *wxWHITE ); + SetBackgroundStyle(wxBG_STYLE_CUSTOM); + m_penRule = wxPen(GetRuleColour(), 1, wxSOLID); //Here I compose a pen can draw black lines, maybe there are something system colour to use @@ -1947,619 +1988,625 @@ wxDataViewMainWindow::~wxDataViewMainWindow() delete m_renameTimer; } -void wxDataViewMainWindow::OnRenameTimer() +void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) { - // We have to call this here because changes may just have - // been made and no screen update taken place. - if ( m_dirty ) - wxSafeYield(); + wxDataViewModel *model = GetOwner()->GetModel(); + wxAutoBufferedPaintDC dc( this ); - int xpos = 0; +#ifdef __WXMSW__ + dc.SetPen( *wxTRANSPARENT_PEN ); + dc.SetBrush( wxBrush( GetBackgroundColour()) ); + dc.SetBrush( *wxWHITE_BRUSH ); + wxSize size( GetClientSize() ); + dc.DrawRectangle( 0,0,size.x,size.y ); +#endif + + // prepare the DC + 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 i; - for (i = 0; i < cols; i++) + unsigned int col_start = 0; + unsigned int x_start = 0; + for (x_start = 0; col_start < cols; col_start++) { - wxDataViewColumn *c = GetOwner()->GetColumn( i ); - if (c->IsHidden()) + wxDataViewColumn *col = GetOwner()->GetColumn(col_start); + if (col->IsHidden()) continue; // skip it! - if (c == m_currentCol) + unsigned int w = col->GetWidth(); + if (x_start+w >= (unsigned int)update.x) 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(){}; + x_start += w; + } - //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; -}; + 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! -bool Walker( wxDataViewTreeNode * node, DoJob & func ) -{ - if( node==NULL ) - return false; + if (x_last > (unsigned int)update.GetRight()) + break; - switch( func( node ) ) - { - case DoJob::OK : - return true ; - case DoJob::IGR: - return false; - case DoJob::CONT: - default: - ; + x_last += col->GetWidth(); } - wxDataViewTreeNodes nodes = node->GetNodes(); - wxDataViewTreeLeaves leaves = node->GetChildren(); + // Draw horizontal rules if required + if ( m_owner->HasFlag(wxDV_HORIZ_RULES) ) + { + dc.SetPen(m_penRule); + dc.SetBrush(*wxTRANSPARENT_BRUSH); - int len_nodes = nodes.GetCount(); - int len = leaves.GetCount(); - int i = 0, nodes_i = 0; + for (unsigned int i = item_start; i <= item_last+1; i++) + { + int y = i * m_lineHeight; + dc.DrawLine(x_start, y, x_last, y); + } + } - for( ; i < len ; i ++ ) + // Draw vertical rules if required + if ( m_owner->HasFlag(wxDV_VERT_RULES) ) { - void * n = leaves[i]; - if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() ) + dc.SetPen(m_penRule); + dc.SetBrush(*wxTRANSPARENT_BRUSH); + + int x = x_start; + for (unsigned int i = col_start; i < col_last; i++) { - wxDataViewTreeNode * nd = nodes[nodes_i]; - nodes_i++; + wxDataViewColumn *col = GetOwner()->GetColumn(i); + if (col->IsHidden()) + continue; // skip it - if( Walker( nd , func ) ) - return true; + dc.DrawLine(x, item_start * m_lineHeight, + x, item_last * m_lineHeight); + x += col->GetWidth(); } - 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) -{ - if (!m_root) - { - m_count++; - UpdateDisplay(); - return true; + // Draw last vertical rule + dc.DrawLine(x, item_start * m_lineHeight, + x, item_last * m_lineHeight); } - - SortPrepare(); - wxDataViewTreeNode * node; - node = FindNode(parent); - - if( node == NULL ) - return false; + // 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; - node->SetHasChildren( true ); + wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight ); + wxRendererNative::Get().DrawItemSelectionRect + ( + this, + dc, + rect, + flags + ); + } + } - if( g_model->IsContainer( item ) ) + wxDataViewColumn *expander = GetOwner()->GetExpanderColumn(); + if (!expander) { - wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node ); - newnode->SetItem(item); - newnode->SetHasChildren( true ); - node->AddNode( newnode); + // TODO: last column for RTL support + expander = GetOwner()->GetColumn( 0 ); + GetOwner()->SetExpanderColumn(expander); } - else - node->AddLeaf( item.GetID() ); - node->ChangeSubTreeCount(1); + // 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(); - m_count = -1; - UpdateDisplay(); + if (col->IsHidden()) + continue; // skipt it! - return true; -} -void DestroyTreeHelper( wxDataViewTreeNode * node); - -bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent, - const wxDataViewItem& item) -{ - if (!m_root) - { - m_count--; - if( m_currentRow > GetRowCount() ) - m_currentRow = m_count - 1; + for (unsigned int item = item_start; item < item_last; item++) + { + // get the cell value and set it into the renderer + wxVariant value; + wxDataViewTreeNode *node = NULL; + wxDataViewItem dataitem; - m_selection.Empty(); - - UpdateDisplay(); + if (m_root) + { + node = GetTreeNodeByRow(item); + if( node == NULL ) + continue; - return true; - } + dataitem = node->GetItem(); - wxDataViewTreeNode * node = FindNode(parent); + if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem)) + continue; + } + else + { + dataitem = wxDataViewItem( (void*) item ); + } - wxCHECK_MSG( node != NULL, false, "item not found" ); - wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" ); + model->GetValue( value, dataitem, col->GetModelColumn()); + cell->SetValue( value ); - 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 ) + if (cell->GetWantsAttr()) { - n = nodes[i]; - break; + wxDataViewItemAttr attr; + bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr ); + if (ret) + cell->SetAttr( attr ); + cell->SetHasAttr( ret ); } - } - - 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; - } + // update the y offset + cell_rect.y = item * m_lineHeight; - //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; + //Draw the expander here. + int indent = 0; + if ((m_root) && (col == expander)) + { + indent = node->GetIndentLevel(); - UpdateDisplay(); + //Calculate the indent first + indent = cell_rect.x + GetOwner()->GetIndent() * indent; - return true; -} + 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() ) + { + wxRect rect( expander_x , expander_y, expander_width, expander_width); + int flag = 0; + if (m_underMouse == node) + { + flag |= wxCONTROL_CURRENT; + } + if( node->IsOpen() ) + wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED ); + else + wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag); + } + else + { + // I am wondering whether we should draw dot lines between tree nodes + if (node) + 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 + } -bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item) -{ - SortPrepare(); - g_model->Resort(); + //force the expander column to left-center align + cell->SetAlignment( wxALIGN_CENTER_VERTICAL ); + } - //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; -} + // 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, cell_rect.height ); + size.y = cell_rect.height; -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 item_rect(cell_rect.GetTopLeft(), size); + int align = cell->GetAlignment(); - 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 ); + // 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 - return true; -*/ - SortPrepare(); - g_model->Resort(); + // 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 - //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); + // add padding + item_rect.x += PADDING_RIGHTLEFT; + item_rect.width = size.x - 2 * PADDING_RIGHTLEFT; - return true; -} + //Here we add the tree indent + item_rect.x += indent; -bool wxDataViewMainWindow::Cleared() -{ - DestroyTree(); - - SortPrepare(); - BuildTree( GetOwner()->GetModel() ); - - UpdateDisplay(); + int state = 0; + if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND)) + state |= wxDATAVIEW_CELL_SELECTED; - return true; -} + // 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(); + } -void wxDataViewMainWindow::UpdateDisplay() -{ - m_dirty = true; + cell_rect.x += cell_rect.width; + } } -void wxDataViewMainWindow::OnInternalIdle() +void wxDataViewMainWindow::OnRenameTimer() { - wxWindow::OnInternalIdle(); + // We have to call this here because changes may just have + // been made and no screen update taken place. + if ( m_dirty ) + wxSafeYield(); - if (m_dirty) + int xpos = 0; + unsigned int cols = GetOwner()->GetColumnCount(); + unsigned int i; + for (i = 0; i < cols; i++) { - RecalculateDisplay(); - m_dirty = false; - } -} + wxDataViewColumn *c = GetOwner()->GetColumn( i ); + if (c->IsHidden()) + continue; // skip it! -void wxDataViewMainWindow::RecalculateDisplay() -{ - wxDataViewModel *model = GetOwner()->GetModel(); - if (!model) - { - Refresh(); - return; + if (c == m_currentCol) + break; + xpos += c->GetWidth(); } + wxRect labelRect( xpos, m_currentRow * m_lineHeight, + m_currentCol->GetWidth(), m_lineHeight ); - int width = GetEndOfLastCol(); - int height = GetRowCount() * m_lineHeight; + GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y, + &labelRect.x, &labelRect.y); - SetVirtualSize( width, height ); - GetOwner()->SetScrollRate( 10, m_lineHeight ); + wxDataViewItem item = GetItemByRow( m_currentRow ); + m_currentCol->GetRenderer()->StartEditing( item, labelRect ); - Refresh(); } -void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect ) +//------------------------------------------------------------------ +// Helper class for do operation on the tree node +//------------------------------------------------------------------ +class DoJob { - wxWindow::ScrollWindow( dx, dy, rect ); +public: + DoJob(){}; + virtual ~DoJob(){}; - if (GetOwner()->m_headerArea) - GetOwner()->m_headerArea->ScrollWindow( dx, 0 ); -} + //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; +}; -void wxDataViewMainWindow::ScrollTo( int rows, int column ) +bool Walker( wxDataViewTreeNode * node, DoJob & func ) { - int x, y; - m_owner->GetScrollPixelsPerUnit( &x, &y ); - int sy = rows*m_lineHeight/y; - int sx = 0; - if( column != -1 ) + if( node==NULL ) + return false; + + switch( func( node ) ) { - wxRect rect = GetClientRect(); - int colnum = 0; - int x_start = 0, x_end = 0, w = 0; - int xx, yy, xe; - m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy ); - for (x_start = 0; colnum < column; colnum++) - { - wxDataViewColumn *col = GetOwner()->GetColumn(colnum); - if (col->IsHidden()) - continue; // skip it! + case DoJob::OK : + return true ; + case DoJob::IGR: + return false; + case DoJob::CONT: + default: + ; + } - w = col->GetWidth(); - x_start += w; - } + wxDataViewTreeNodes nodes = node->GetNodes(); + wxDataViewTreeLeaves leaves = node->GetChildren(); - x_end = x_start + w; - xe = xx + rect.width; - if( x_end > xe ) - { - sx = ( xx + x_end - xe )/x; - } - if( x_start < xx ) + 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() ) { - sx = x_start/x; + 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: + ; + } } - m_owner->Scroll( sx, sy ); + return false; } -void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) +bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item) { - wxDataViewModel *model = GetOwner()->GetModel(); - wxAutoBufferedPaintDC dc( this ); - - // prepare the DC - dc.SetBackground(GetBackgroundColour()); - dc.Clear(); - GetOwner()->PrepareDC( dc ); - dc.SetFont( GetFont() ); + if (!m_root) + { + m_count++; + UpdateDisplay(); + return true; + } - wxRect update = GetUpdateRegion().GetBox(); - m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y ); + SortPrepare(); - // 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; + wxDataViewTreeNode * node; + node = FindNode(parent); - // 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! + if( node == NULL ) + return false; - unsigned int w = col->GetWidth(); - if (x_start+w >= (unsigned int)update.x) - break; + node->SetHasChildren( true ); - x_start += w; + if( g_model->IsContainer( item ) ) + { + wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node ); + newnode->SetItem(item); + newnode->SetHasChildren( true ); + node->AddNode( newnode); } + else + node->AddLeaf( item.GetID() ); - 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! + node->ChangeSubTreeCount(1); - if (x_last > (unsigned int)update.GetRight()) - break; + m_count = -1; + UpdateDisplay(); - x_last += col->GetWidth(); - } + return true; +} - // Draw horizontal rules if required - if ( m_owner->HasFlag(wxDV_HORIZ_RULES) ) +void DestroyTreeHelper( wxDataViewTreeNode * node); + +bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent, + const wxDataViewItem& item) +{ + if (!m_root) { - dc.SetPen(m_penRule); - dc.SetBrush(*wxTRANSPARENT_BRUSH); + m_count--; + if( m_currentRow > GetRowCount() ) + m_currentRow = m_count - 1; - for (unsigned int i = item_start; i <= item_last+1; i++) - { - int y = i * m_lineHeight; - dc.DrawLine(x_start, y, x_last, y); - } - } + m_selection.Empty(); - // Draw vertical rules if required - if ( m_owner->HasFlag(wxDV_VERT_RULES) ) - { - dc.SetPen(m_penRule); - dc.SetBrush(*wxTRANSPARENT_BRUSH); + UpdateDisplay(); - 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 + return true; + } - dc.DrawLine(x, item_start * m_lineHeight, - x, item_last * m_lineHeight); + wxDataViewTreeNode * node = FindNode(parent); - x += col->GetWidth(); - } + wxCHECK_MSG( node != NULL, false, "item not found" ); + wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" ); - // Draw last vertical rule - dc.DrawLine(x, item_start * m_lineHeight, - x, item_last * m_lineHeight); + int sub = -1; + node->GetChildren().Remove( item.GetID() ); + //Manuplate selection + if( m_selection.GetCount() > 1 ) + { + m_selection.Empty(); } - - // redraw the background for the items which are selected/current - for (unsigned int item = item_start; item < item_last; item++) + bool isContainer = false; + wxDataViewTreeNodes nds = node->GetNodes(); + for (size_t i = 0; i < nds.GetCount(); i ++) { - bool selected = m_selection.Index( item ) != wxNOT_FOUND; - if (selected || item == m_currentRow) + if (nds[i]->GetItem() == item) { - 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 - ); + 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; + } + } - wxDataViewColumn *expander = GetOwner()->GetExpanderColumn(); - if (!expander) + 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) { - // TODO: last column for RTL support - expander = GetOwner()->GetColumn( 0 ); - GetOwner()->SetExpanderColumn(expander); + node->GetParent()->GetNodes().Remove( node ); + delete node; } - // 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(); + //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; - if (col->IsHidden()) - continue; // skipt it! + UpdateDisplay(); + return true; +} - for (unsigned int item = item_start; item < item_last; item++) - { - // get the cell value and set it into the renderer - wxVariant value; - wxDataViewTreeNode *node = NULL; - wxDataViewItem dataitem; - - if (m_root) - { - node = GetTreeNodeByRow(item); - if( node == NULL ) - continue; +bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item) +{ + SortPrepare(); + g_model->Resort(); - dataitem = node->GetItem(); + //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); - if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem)) - continue; - } - else - { - dataitem = wxDataViewItem( (void*) item ); - } + return true; +} - model->GetValue( value, dataitem, col->GetModelColumn()); - cell->SetValue( value ); - - if (cell->GetWantsAttr()) - { - wxDataViewItemAttr attr; - bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr ); - if (ret) - cell->SetAttr( attr ); - cell->SetHasAttr( ret ); - } +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 - // update the y offset - cell_rect.y = item * m_lineHeight; + 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 ); - //Draw the expander here. - int indent = 0; - if ((m_root) && (col == expander)) - { - indent = node->GetIndentLevel(); - - //Calculate the indent first - indent = cell_rect.x + GetOwner()->GetIndent() * indent; + return true; +*/ + SortPrepare(); + g_model->Resort(); - 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() ) - { - wxRect rect( expander_x , expander_y, expander_width, expander_width); - int flag = 0; - if (m_underMouse == node) - { - flag |= wxCONTROL_CURRENT; - } - if( node->IsOpen() ) - wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED ); - else - wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag); - } - else - { - // I am wondering whether we should draw dot lines between tree nodes - if (node) - 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 - } + //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); - //force the expander column to left-center align - cell->SetAlignment( wxALIGN_CENTER_VERTICAL ); - } + return true; +} +bool wxDataViewMainWindow::Cleared() +{ + DestroyTree(); - // 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, cell_rect.height ); - size.y = cell_rect.height; + SortPrepare(); + BuildTree( GetOwner()->GetModel() ); - wxRect item_rect(cell_rect.GetTopLeft(), size); - int align = cell->GetAlignment(); + UpdateDisplay(); - // 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 + return true; +} - // 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 +void wxDataViewMainWindow::UpdateDisplay() +{ + m_dirty = true; +} - // add padding - item_rect.x += PADDING_RIGHTLEFT; - item_rect.width = size.x - 2 * PADDING_RIGHTLEFT; +void wxDataViewMainWindow::OnInternalIdle() +{ + wxWindow::OnInternalIdle(); - //Here we add the tree indent - item_rect.x += indent; + if (m_dirty) + { + RecalculateDisplay(); + m_dirty = false; + } +} - int state = 0; - if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND)) - state |= wxDATAVIEW_CELL_SELECTED; +void wxDataViewMainWindow::RecalculateDisplay() +{ + wxDataViewModel *model = GetOwner()->GetModel(); + if (!model) + { + Refresh(); + return; + } - // 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(); + 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::ScrollTo( int rows, int column ) +{ + int x, y; + m_owner->GetScrollPixelsPerUnit( &x, &y ); + int sy = rows*m_lineHeight/y; + int sx = 0; + if( column != -1 ) + { + wxRect rect = GetClientRect(); + int colnum = 0; + int x_start = 0, x_end = 0, w = 0; + int xx, yy, xe; + m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy ); + for (x_start = 0; colnum < column; colnum++) + { + wxDataViewColumn *col = GetOwner()->GetColumn(colnum); + if (col->IsHidden()) + continue; // skip it! + + w = col->GetWidth(); + x_start += w; } - cell_rect.x += cell_rect.width; + x_end = x_start + w; + xe = xx + rect.width; + if( x_end > xe ) + { + sx = ( xx + x_end - xe )/x; + } + if( x_start < xx ) + { + sx = x_start/x; + } } + m_owner->Scroll( sx, sy ); } int wxDataViewMainWindow::GetCountPerPage() const @@ -3871,7 +3918,7 @@ bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model ) model->AddNotifier( m_notifier ); m_clientArea->DestroyTree(); - + m_clientArea->BuildTree(model); m_clientArea->UpdateDisplay(); @@ -3938,6 +3985,15 @@ wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const return NULL; } +void wxDataViewCtrl::ColumnMoved( wxDataViewColumn* col, unsigned int new_pos ) +{ + if (new_pos > m_cols.GetCount()) return; + m_cols.DeleteObject( col ); + m_cols.Insert( new_pos, col ); + + m_clientArea->UpdateDisplay(); +} + bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column ) { wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );