X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e2bfe6731edfca732418012b03438db85b4aa0dd..ab451f970cda6d9f3f177b034b055743670b713f:/src/generic/datavgen.cpp diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp index 339d490174..462af9ddfc 100644 --- a/src/generic/datavgen.cpp +++ b/src/generic/datavgen.cpp @@ -34,6 +34,7 @@ #include "wx/settings.h" #include "wx/msgdlg.h" #include "wx/dcscreen.h" + #include "wx/frame.h" #endif #include "wx/stockitem.h" @@ -46,6 +47,7 @@ #include "wx/listimpl.cpp" #include "wx/imaglist.h" #include "wx/headerctrl.h" +#include "wx/dnd.h" //----------------------------------------------------------------------------- // classes @@ -67,16 +69,17 @@ static const int EXPANDER_OFFSET = 4; static const int EXPANDER_OFFSET = 1; #endif +// Below is the compare stuff. +// For the generic implementation, both the leaf nodes and the nodes are sorted for +// fast search when needed +static wxDataViewModel* g_model; +static int g_column = -2; +static bool g_asending = true; + //----------------------------------------------------------------------------- // wxDataViewHeaderWindow //----------------------------------------------------------------------------- -//Below is the compare stuff -//For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed -static wxDataViewModel * g_model; -static int g_column = -2; -static bool g_asending = true; - class wxDataViewHeaderWindow : public wxHeaderCtrl { public: @@ -89,15 +92,122 @@ public: { return static_cast(GetParent()); } protected: - virtual wxHeaderColumnBase& GetColumn(unsigned int idx) + // implement/override wxHeaderCtrl functions by forwarding them to the main + // control + virtual const wxHeaderColumn& GetColumn(unsigned int idx) const { return *(GetOwner()->GetColumn(idx)); } + // FIXME: currently unused + virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle) + { + wxDataViewCtrl * const owner = GetOwner(); + + int widthContents = owner->GetBestColumnWidth(idx); + owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents)); + owner->OnColumnChange(idx); + + return true; + } + private: - DECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow) + bool SendEvent(wxEventType type, unsigned int n) + { + wxDataViewCtrl * const owner = GetOwner(); + wxDataViewEvent event(type, owner->GetId()); + + event.SetEventObject(owner); + event.SetColumn(n); + event.SetDataViewColumn(owner->GetColumn(n)); + event.SetModel(owner->GetModel()); + + // for events created by wxDataViewHeaderWindow the + // row / value fields are not valid + return owner->GetEventHandler()->ProcessEvent(event); + } + + void OnClick(wxHeaderCtrlEvent& event) + { + const unsigned idx = event.GetColumn(); + + if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) ) + return; + + // default handling for the column click is to sort by this column or + // toggle its sort order + wxDataViewCtrl * const owner = GetOwner(); + wxDataViewColumn * const col = owner->GetColumn(idx); + if ( !col->IsSortable() ) + { + // no default handling for non-sortable columns + event.Skip(); + return; + } + + if ( col->IsSortKey() ) + { + // already using this column for sorting, just change the order + col->ToggleSortOrder(); + } + else // not using this column for sorting yet + { + // first unset the old sort column if any + int oldSortKey = owner->GetSortingColumnIndex(); + if ( oldSortKey != wxNOT_FOUND ) + { + owner->GetColumn(oldSortKey)->UnsetAsSortKey(); + owner->OnColumnChange(oldSortKey); + } + + owner->SetSortingColumnIndex(idx); + col->SetAsSortKey(); + } + + wxDataViewModel * const model = owner->GetModel(); + if ( model ) + model->Resort(); + + owner->OnColumnChange(idx); + } + + void OnRClick(wxHeaderCtrlEvent& event) + { + if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, + event.GetColumn()) ) + event.Skip(); + } + + void OnResize(wxHeaderCtrlEvent& event) + { + wxDataViewCtrl * const owner = GetOwner(); + + const unsigned col = event.GetColumn(); + owner->GetColumn(col)->SetWidth(event.GetWidth()); + GetOwner()->OnColumnChange(col); + } + + void OnEndReorder(wxHeaderCtrlEvent& event) + { + wxDataViewCtrl * const owner = GetOwner(); + owner->ColumnMoved(owner->GetColumn(event.GetColumn()), + event.GetNewOrder()); + } + + DECLARE_EVENT_TABLE() + wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow); }; +BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl) + EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick) + EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick) + + EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize) + EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize) + + EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder) +END_EVENT_TABLE() + //----------------------------------------------------------------------------- // wxDataViewRenameTimer //----------------------------------------------------------------------------- @@ -115,11 +225,13 @@ public: //----------------------------------------------------------------------------- // wxDataViewTreeNode //----------------------------------------------------------------------------- + class wxDataViewTreeNode; WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes ); WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves); -int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2); +int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, + wxDataViewTreeNode ** node2); int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2); class wxDataViewTreeNode @@ -239,7 +351,8 @@ private: int m_subTreeCount; }; -int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2) +int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, + wxDataViewTreeNode ** node2) { return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending ); } @@ -250,7 +363,6 @@ int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2) } - //----------------------------------------------------------------------------- // wxDataViewMainWindow //----------------------------------------------------------------------------- @@ -310,6 +422,9 @@ public: wxDataViewCtrl *GetOwner() { return m_owner; } const wxDataViewCtrl *GetOwner() const { return m_owner; } +#if wxUSE_DRAG_AND_DROP + wxBitmap CreateItemBitmap( unsigned int row, int &indent ); +#endif // wxUSE_DRAG_AND_DROP void OnPaint( wxPaintEvent &event ); void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event); void OnChar( wxKeyEvent &event ); @@ -335,13 +450,17 @@ public: int GetCountPerPage() const; int GetEndOfLastCol() const; unsigned int GetFirstVisibleRow() const; - //I change this method to un const because in the tree view, the displaying number of the tree are changing along with the expanding/collapsing of the tree nodes + + // I change this method to un const because in the tree view, + // the displaying number of the tree are changing along with the + // expanding/collapsing of the tree nodes unsigned int GetLastVisibleRow(); unsigned int GetRowCount(); wxDataViewItem GetSelection() const; wxDataViewSelection GetSelections(){ return m_selection; } - void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); } + void SetSelections( const wxDataViewSelection & sel ) + { m_selection = sel; UpdateDisplay(); } void Select( const wxArrayInt& aSelections ); void SelectAllRows( bool on ); void SelectRow( unsigned int row, bool on ); @@ -366,28 +485,40 @@ public: int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode int GetLineAt( unsigned int y ) const; // y / m_lineHeight in fixed mode - //Some useful functions for row and item mapping + // Some useful functions for row and item mapping wxDataViewItem GetItemByRow( unsigned int row ) const; int GetRowByItem( const wxDataViewItem & item ) const; - //Methods for building the mapping tree + // Methods for building the mapping tree void BuildTree( wxDataViewModel * model ); void DestroyTree(); void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ); wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ); - void Expand( unsigned int row ) { OnExpanding( row ); } - void Collapse( unsigned int row ) { OnCollapsing( row ); } + void Expand( unsigned int row ); + void Collapse( unsigned int row ); + bool IsExpanded( unsigned int row ) const; + bool HasChildren( unsigned int row ) const; + +#if wxUSE_DRAG_AND_DROP + bool EnableDragSource( const wxDataFormat &format ); + bool EnableDropTarget( const wxDataFormat &format ); + + void RemoveDropHint(); + wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def ); + bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y ); + wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def ); + void OnLeave(); +#endif // wxUSE_DRAG_AND_DROP + private: wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const; - //We did not need this temporarily - //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item ); + // We did not need this temporarily + // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item ); int RecalculateCount(); wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item ); - void OnExpanding( unsigned int row ); - void OnCollapsing( unsigned int row ); wxDataViewTreeNode * FindNode( const wxDataViewItem & item ); @@ -405,13 +536,23 @@ private: bool m_hasFocus; +#if wxUSE_DRAG_AND_DROP int m_dragCount; wxPoint m_dragStart; + bool m_dragEnabled; + wxDataFormat m_dragFormat; + + bool m_dropEnabled; + wxDataFormat m_dropFormat; + bool m_dropHint; + unsigned int m_dropHintLine; +#endif // wxUSE_DRAG_AND_DROP + // for double click logic unsigned int m_lineLastClicked, - m_lineBeforeLastClicked, - m_lineSelectSingleOnUp; + m_lineBeforeLastClicked, + m_lineSelectSingleOnUp; // the pen used to draw horiz/vertical rules wxPen m_penRule; @@ -419,11 +560,13 @@ private: // the pen used to draw the expander and the lines wxPen m_penExpander; - //This is the tree structure of the model + // This is the tree structure of the model wxDataViewTreeNode * m_root; int m_count; - //This is the tree node under the cursor + + // This is the tree node under the cursor wxDataViewTreeNode * m_underMouse; + private: DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow) DECLARE_EVENT_TABLE() @@ -450,7 +593,7 @@ public: virtual bool Cleared() { return m_mainWindow->Cleared(); } virtual void Resort() - { m_mainWindow->Resort(); } + { m_mainWindow->Resort(); } wxDataViewMainWindow *m_mainWindow; }; @@ -508,7 +651,7 @@ int wxDataViewRenderer::CalculateAlignment() const if (m_align == wxDVR_DEFAULT_ALIGNMENT) { if (GetOwner() == NULL) - return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL; + return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL; return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL; } @@ -523,19 +666,22 @@ int wxDataViewRenderer::CalculateAlignment() const IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer) wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype, - wxDataViewCellMode mode, int align ) : + wxDataViewCellMode mode, int align ) : wxDataViewRenderer( varianttype, mode, align ) { } -void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state ) +void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, + wxRect cell, wxDC *dc, int state ) { wxDataViewCtrl *view = GetOwner()->GetOwner(); wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ? wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) : view->GetForegroundColour(); dc->SetTextForeground(col); - dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2)); + dc->DrawText( text, + cell.x + xoffset, + cell.y + ((cell.height - dc->GetCharHeight()) / 2)); } // --------------------------------------------------------- @@ -562,7 +708,7 @@ bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const return false; } -bool wxDataViewTextRenderer::HasEditorCtrl() +bool wxDataViewTextRenderer::HasEditorCtrl() const { return true; } @@ -570,9 +716,15 @@ bool wxDataViewTextRenderer::HasEditorCtrl() wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value ) { - return new wxTextCtrl( parent, wxID_ANY, value, - wxPoint(labelRect.x,labelRect.y), - wxSize(labelRect.width,labelRect.height) ); + wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value, + wxPoint(labelRect.x,labelRect.y), + wxSize(labelRect.width,labelRect.height) ); + + // select the text in the control an place the cursor at the end + ctrl->SetInsertionPointEnd(); + ctrl->SelectAll(); + + return ctrl; } bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value ) @@ -592,12 +744,8 @@ wxSize wxDataViewTextRenderer::GetSize() const { const wxDataViewCtrl *view = GetView(); if (!m_text.empty()) - { - int x,y; - view->GetTextExtent( m_text, &x, &y ); - return wxSize( x, y ); - } - return wxSize(80,20); + return view->wxWindowBase::GetTextExtent( m_text ); + return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE); } // --------------------------------------------------------- @@ -628,13 +776,13 @@ bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(sta if (m_attr.GetBold() || m_attr.GetItalic()) { - font = dc->GetFont(); - wxFont myfont = font; - if (m_attr.GetBold()) - myfont.SetWeight( wxFONTWEIGHT_BOLD ); - if (m_attr.GetItalic()) - myfont.SetStyle( wxFONTSTYLE_ITALIC ); - dc->SetFont( myfont ); + font = dc->GetFont(); + wxFont myfont = font; + if (m_attr.GetBold()) + myfont.SetWeight( wxFONTWEIGHT_BOLD ); + if (m_attr.GetItalic()) + myfont.SetStyle( wxFONTSTYLE_ITALIC ); + dc->SetFont( myfont ); } } @@ -698,7 +846,7 @@ wxSize wxDataViewBitmapRenderer::GetSize() const else if (m_icon.Ok()) return wxSize( m_icon.GetWidth(), m_icon.GetHeight() ); - return wxSize(16,16); + return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE); } // --------------------------------------------------------- @@ -728,14 +876,6 @@ bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) ) { - // User wxRenderer here - - wxRect rect; - rect.x = cell.x + cell.width/2 - 10; - rect.width = 20; - rect.y = cell.y + cell.height/2 - 10; - rect.height = 20; - int flags = 0; if (m_toggle) flags |= wxCONTROL_CHECKED; @@ -745,15 +885,15 @@ bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state wxRendererNative::Get().DrawCheckBox( GetOwner()->GetOwner(), *dc, - rect, + cell, flags ); return true; } bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell), - wxDataViewModel *model, - const wxDataViewItem & item, unsigned int col) + wxDataViewModel *model, + const wxDataViewItem & item, unsigned int col) { bool value = !m_toggle; wxVariant variant = value; @@ -764,7 +904,9 @@ bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell), wxSize wxDataViewToggleRenderer::GetSize() const { - return wxSize(20,20); + // the window parameter is not used by GetCheckBoxSize() so it's + // safe to pass NULL + return wxRendererNative::Get().GetCheckBoxSize(NULL); } // --------------------------------------------------------- @@ -916,7 +1058,7 @@ wxSize wxDataViewDateRenderer::GetSize() const } bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model, - const wxDataViewItem & item, unsigned int col ) + const wxDataViewItem & item, unsigned int col ) { wxVariant variant; model->GetValue( variant, item, col ); @@ -942,7 +1084,7 @@ bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *m IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer) wxDataViewIconTextRenderer::wxDataViewIconTextRenderer( - const wxString &varianttype, wxDataViewCellMode mode, int align ) : +const wxString &varianttype, wxDataViewCellMode mode, int align ) : wxDataViewCustomRenderer( varianttype, mode, align ) { SetMode(mode); @@ -994,21 +1136,167 @@ wxSize wxDataViewIconTextRenderer::GetSize() const return wxSize(80,20); } -wxControl * -wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent), - wxRect WXUNUSED(labelRect), - const wxVariant& WXUNUSED(value)) +wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value) { - return NULL; + wxDataViewIconText iconText; + iconText << value; + + wxString text = iconText.GetText(); + + // adjust the label rect to take the width of the icon into account + if (iconText.GetIcon().IsOk()) + { + int w = iconText.GetIcon().GetWidth() + 4; + labelRect.x += w; + labelRect.width -= w; + } + + wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text, + wxPoint(labelRect.x,labelRect.y), + wxSize(labelRect.width,labelRect.height) ); + + // select the text in the control an place the cursor at the end + ctrl->SetInsertionPointEnd(); + ctrl->SelectAll(); + + return ctrl; } -bool -wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor), - wxVariant& WXUNUSED(value)) +bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value ) { - return false; + wxTextCtrl *text = (wxTextCtrl*) editor; + + wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon()); + value << iconText; + return true; } +//----------------------------------------------------------------------------- +// wxDataViewDropTarget +//----------------------------------------------------------------------------- + +#if wxUSE_DRAG_AND_DROP + +class wxBitmapCanvas: public wxWindow +{ +public: + wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) : + wxWindow( parent, wxID_ANY, wxPoint(0,0), size ) + { + m_bitmap = bitmap; + Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) ); + } + + void OnPaint( wxPaintEvent &WXUNUSED(event) ) + { + wxPaintDC dc(this); + dc.DrawBitmap( m_bitmap, 0, 0); + } + + wxBitmap m_bitmap; +}; + +class wxDataViewDropSource: public wxDropSource +{ +public: + wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) : + wxDropSource( win ) + { + m_win = win; + m_row = row; + m_hint = NULL; + } + + ~wxDataViewDropSource() + { + delete m_hint; + } + + virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) ) + { + wxPoint pos = wxGetMousePosition(); + + if (!m_hint) + { + int liney = m_win->GetLineStart( m_row ); + int linex = 0; + m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney ); + m_win->ClientToScreen( &linex, &liney ); + m_dist_x = pos.x - linex; + m_dist_y = pos.y - liney; + + int indent = 0; + wxBitmap ib = m_win->CreateItemBitmap( m_row, indent ); + m_dist_x -= indent; + m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString, + wxPoint(pos.x - m_dist_x, pos.y + 5 ), + ib.GetSize(), + wxFRAME_TOOL_WINDOW | + wxFRAME_FLOAT_ON_PARENT | + wxFRAME_NO_TASKBAR | + wxNO_BORDER ); + new wxBitmapCanvas( m_hint, ib, ib.GetSize() ); + m_hint->Show(); + } + else + { + m_hint->Move( pos.x - m_dist_x, pos.y + 5 ); + m_hint->SetTransparent( 128 ); + } + + return false; + } + + wxDataViewMainWindow *m_win; + unsigned int m_row; + wxFrame *m_hint; + int m_dist_x,m_dist_y; +}; + + +class wxDataViewDropTarget: public wxDropTarget +{ +public: + wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) : + wxDropTarget( obj ) + { + m_win = win; + } + + virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def ) + { + wxDataFormat format = GetMatchingPair(); + if (format == wxDF_INVALID) + return wxDragNone; + return m_win->OnDragOver( format, x, y, def); + } + + virtual bool OnDrop( wxCoord x, wxCoord y ) + { + wxDataFormat format = GetMatchingPair(); + if (format == wxDF_INVALID) + return false; + return m_win->OnDrop( format, x, y ); + } + + virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def ) + { + wxDataFormat format = GetMatchingPair(); + if (format == wxDF_INVALID) + return wxDragNone; + if (!GetData()) + return wxDragNone; + return m_win->OnData( format, x, y, def ); + } + + virtual void OnLeave() + { m_win->OnLeave(); } + + wxDataViewMainWindow *m_win; +}; + +#endif // wxUSE_DRAG_AND_DROP + //----------------------------------------------------------------------------- // wxDataViewRenameTimer //----------------------------------------------------------------------------- @@ -1027,8 +1315,9 @@ void wxDataViewRenameTimer::Notify() // wxDataViewMainWindow //----------------------------------------------------------------------------- -//The tree building helper, declared firstly -static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node); +// The tree building helper, declared firstly +static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, + wxDataViewTreeNode * node); int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 ) { @@ -1037,7 +1326,6 @@ int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 ) return -1; } - IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow) BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow) @@ -1065,8 +1353,16 @@ wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID i m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1 +#if wxUSE_DRAG_AND_DROP m_dragCount = 0; m_dragStart = wxPoint(0,0); + + m_dragEnabled = false; + m_dropEnabled = false; + m_dropHint = false; + m_dropHintLine = (unsigned int) -1; +#endif // wxUSE_DRAG_AND_DROP + m_lineLastClicked = (unsigned int) -1; m_lineBeforeLastClicked = (unsigned int) -1; m_lineSelectSingleOnUp = (unsigned int) -1; @@ -1079,13 +1375,14 @@ wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID i m_penRule = wxPen(GetRuleColour()); - //Here I compose a pen can draw black lines, maybe there are something system colour to use + // compose a pen whichcan draw black lines + // TODO: maybe there is something system colour to use m_penExpander = wxPen(wxColour(0,0,0)); - //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. + // Make m_count = -1 will cause the class recaculate the real displaying number of rows. m_count = -1; m_underMouse = NULL; UpdateDisplay(); @@ -1097,17 +1394,271 @@ wxDataViewMainWindow::~wxDataViewMainWindow() delete m_renameTimer; } + +#if wxUSE_DRAG_AND_DROP +bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format ) +{ + m_dragFormat = format; + m_dragEnabled = format != wxDF_INVALID; + + return true; +} + +bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format ) +{ + m_dropFormat = format; + m_dropEnabled = format != wxDF_INVALID; + + if (m_dropEnabled) + SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) ); + + return true; +} + +void wxDataViewMainWindow::RemoveDropHint() +{ + if (m_dropHint) + { + m_dropHint = false; + RefreshRow( m_dropHintLine ); + m_dropHintLine = (unsigned int) -1; + } +} + +wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x, + wxCoord y, wxDragResult def ) +{ + int xx = x; + int yy = y; + m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy ); + unsigned int row = GetLineAt( yy ); + + if ((row >= GetRowCount()) || (yy > GetEndOfLastCol())) + { + RemoveDropHint(); + return wxDragNone; + } + + wxDataViewItem item = GetItemByRow( row ); + + wxDataViewModel *model = GetOwner()->GetModel(); + + wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() ); + event.SetEventObject( m_owner ); + event.SetItem( item ); + event.SetModel( model ); + event.SetDataFormat( format ); + if (!m_owner->HandleWindowEvent( event )) + { + RemoveDropHint(); + return wxDragNone; + } + + if (!event.IsAllowed()) + { + RemoveDropHint(); + return wxDragNone; + } + + + if (m_dropHint && (row != m_dropHintLine)) + RefreshRow( m_dropHintLine ); + m_dropHint = true; + m_dropHintLine = row; + RefreshRow( row ); + + return def; +} + +bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y ) +{ + RemoveDropHint(); + + int xx = x; + int yy = y; + m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy ); + unsigned int row = GetLineAt( yy ); + + if ((row >= GetRowCount()) || (yy > GetEndOfLastCol())) + return false; + + wxDataViewItem item = GetItemByRow( row ); + + wxDataViewModel *model = GetOwner()->GetModel(); + + wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() ); + event.SetEventObject( m_owner ); + event.SetItem( item ); + event.SetModel( model ); + event.SetDataFormat( format ); + if (!m_owner->HandleWindowEvent( event )) + return false; + + if (!event.IsAllowed()) + return false; + + return true; +} + +wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y, + wxDragResult def ) +{ + int xx = x; + int yy = y; + m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy ); + unsigned int row = GetLineAt( yy ); + + if ((row >= GetRowCount()) || (yy > GetEndOfLastCol())) + return wxDragNone; + + wxDataViewItem item = GetItemByRow( row ); + + wxDataViewModel *model = GetOwner()->GetModel(); + + wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject(); + + wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() ); + event.SetEventObject( m_owner ); + event.SetItem( item ); + event.SetModel( model ); + event.SetDataFormat( format ); + event.SetDataSize( obj->GetSize() ); + event.SetDataBuffer( obj->GetData() ); + if (!m_owner->HandleWindowEvent( event )) + return wxDragNone; + + if (!event.IsAllowed()) + return wxDragNone; + + return def; +} + +void wxDataViewMainWindow::OnLeave() +{ + RemoveDropHint(); +} + +wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent ) +{ + int height = GetLineHeight( row ); + int width = 0; + unsigned int cols = GetOwner()->GetColumnCount(); + unsigned int col; + for (col = 0; col < cols; col++) + { + wxDataViewColumn *column = GetOwner()->GetColumnAt(col); + if (column->IsHidden()) + continue; // skip it! + width += column->GetWidth(); + } + + indent = 0; + if (!IsVirtualList()) + { + wxDataViewTreeNode *node = GetTreeNodeByRow(row); + indent = GetOwner()->GetIndent() * node->GetIndentLevel(); + indent = indent + m_lineHeight; + // try to use the m_lineHeight as the expander space + + if(!node->HasChildren()) + delete node; + } + width -= indent; + + wxBitmap bitmap( width, height ); + wxMemoryDC dc( bitmap ); + dc.SetFont( GetFont() ); + dc.SetPen( *wxBLACK_PEN ); + dc.SetBrush( *wxWHITE_BRUSH ); + dc.DrawRectangle( 0,0,width,height ); + + wxDataViewModel *model = m_owner->GetModel(); + + wxDataViewColumn *expander = GetOwner()->GetExpanderColumn(); + if (!expander) + { + // TODO-RTL: last column for RTL support + expander = GetOwner()->GetColumnAt( 0 ); + GetOwner()->SetExpanderColumn(expander); + } + + + int x = 0; + for (col = 0; col < cols; col++) + { + wxDataViewColumn *column = GetOwner()->GetColumnAt( col ); + wxDataViewRenderer *cell = column->GetRenderer(); + + if (column->IsHidden()) + continue; // skip it! + + width = column->GetWidth(); + + if (column == expander) + width -= indent; + + wxVariant value; + wxDataViewItem item = GetItemByRow( row ); + model->GetValue( value, item, column->GetModelColumn()); + cell->SetValue( value ); + + if (cell->GetWantsAttr()) + { + wxDataViewItemAttr attr; + bool ret = model->GetAttr( item, column->GetModelColumn(), attr ); + if (ret) + cell->SetAttr( attr ); + cell->SetHasAttr( ret ); + } + + wxSize size = cell->GetSize(); + size.x = wxMin( 2*PADDING_RIGHTLEFT + size.x, width ); + size.y = height; + wxRect item_rect(x, 0, size.x, size.y); + + int align = cell->CalculateAlignment(); + // horizontal alignment: + item_rect.x = x; + if (align & wxALIGN_CENTER_HORIZONTAL) + item_rect.x = x + (width / 2) - (size.x / 2); + else if (align & wxALIGN_RIGHT) + item_rect.x = x + width - size.x; + // else: wxALIGN_LEFT is the default + + // vertical alignment: + item_rect.y = 0; + if (align & wxALIGN_CENTER_VERTICAL) + item_rect.y = (height / 2) - (size.y / 2); + else if (align & wxALIGN_BOTTOM) + item_rect.y = height - size.y; + // else: wxALIGN_TOP is the default + + // add padding + item_rect.x += PADDING_RIGHTLEFT; + item_rect.width = size.x - 2 * PADDING_RIGHTLEFT; + + // dc.SetClippingRegion( item_rect ); + cell->Render( item_rect, &dc, 0 ); + // dc.DestroyClippingRegion(); + + x += width; + } + + return bitmap; +} + +#endif // wxUSE_DRAG_AND_DROP + + void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) { wxDataViewModel *model = GetOwner()->GetModel(); wxAutoBufferedPaintDC dc( this ); #ifdef __WXMSW__ + dc.SetBrush(GetOwner()->GetBackgroundColour()); dc.SetPen( *wxTRANSPARENT_PEN ); - dc.SetBrush( wxBrush( GetBackgroundColour()) ); - dc.SetBrush( *wxWHITE_BRUSH ); - wxSize size( GetClientSize() ); - dc.DrawRectangle( 0,0,size.x,size.y ); + dc.DrawRectangle(GetClientSize()); #endif // prepare the DC @@ -1121,8 +1672,14 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) unsigned int item_start = GetLineAt( wxMax(0,update.y) ); unsigned int item_count = wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1), - (int)(GetRowCount( ) - item_start)); + (int)(GetRowCount( ) - item_start)); unsigned int item_last = item_start + item_count; + // Get the parent of DataViewCtrl + wxWindow *parent = GetParent()->GetParent(); + wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId()); + cache_event.SetEventObject(GetParent()); + cache_event.SetCache(item_start, item_last - 1); + parent->ProcessWindowEvent(cache_event); // compute which columns needs to be redrawn unsigned int cols = GetOwner()->GetColumnCount(); @@ -1130,7 +1687,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) unsigned int x_start; for (x_start = 0; col_start < cols; col_start++) { - wxDataViewColumn *col = GetOwner()->GetColumn(col_start); + wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start); if (col->IsHidden()) continue; // skip it! @@ -1145,7 +1702,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) unsigned int x_last = x_start; for (; col_last < cols; col_last++) { - wxDataViewColumn *col = GetOwner()->GetColumn(col_last); + wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last); if (col->IsHidden()) continue; // skip it! @@ -1161,7 +1718,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) dc.SetPen(m_penRule); dc.SetBrush(*wxTRANSPARENT_BRUSH); - for (unsigned int i = item_start; i <= item_last+1; i++) + for (unsigned int i = item_start; i <= item_last; i++) { int y = GetLineStart( i ); dc.DrawLine(x_start, y, x_last, y); @@ -1177,7 +1734,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) int x = x_start; for (unsigned int i = col_start; i < col_last; i++) { - wxDataViewColumn *col = GetOwner()->GetColumn(i); + wxDataViewColumn *col = GetOwner()->GetColumnAt(i); if (col->IsHidden()) continue; // skip it @@ -1215,11 +1772,22 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) } } +#if wxUSE_DRAG_AND_DROP + if (m_dropHint) + { + wxRect rect( x_start, GetLineStart( m_dropHintLine ), + x_last, GetLineHeight( m_dropHintLine ) ); + dc.SetPen( *wxBLACK_PEN ); + dc.SetBrush( *wxTRANSPARENT_BRUSH ); + dc.DrawRectangle( rect ); + } +#endif // wxUSE_DRAG_AND_DROP + wxDataViewColumn *expander = GetOwner()->GetExpanderColumn(); if (!expander) { - // TODO: last column for RTL support - expander = GetOwner()->GetColumn( 0 ); + // TODO-RTL: last column for RTL support + expander = GetOwner()->GetColumnAt( 0 ); GetOwner()->SetExpanderColumn(expander); } @@ -1228,8 +1796,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) cell_rect.x = x_start; for (unsigned int i = col_start; i < col_last; i++) { - - wxDataViewColumn *col = GetOwner()->GetColumn( i ); + wxDataViewColumn *col = GetOwner()->GetColumnAt( i ); wxDataViewRenderer *cell = col->GetRenderer(); cell_rect.width = col->GetWidth(); @@ -1251,12 +1818,13 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) dataitem = node->GetItem(); - if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem)) + if ((i > 0) && model->IsContainer(dataitem) && + !model->HasContainerColumns(dataitem)) continue; } else { - dataitem = wxDataViewItem( wxUIntToPtr(item) ); + dataitem = wxDataViewItem( wxUIntToPtr(item+1) ); } model->GetValue( value, dataitem, col->GetModelColumn()); @@ -1273,22 +1841,27 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) // update cell_rect cell_rect.y = GetLineStart( item ); - cell_rect.height = GetLineHeight( item ); // -1 is for the horizontal rules (?) + cell_rect.height = GetLineHeight( item ); - //Draw the expander here. + // Draw the expander here. int indent = 0; if ((!IsVirtualList()) && (col == expander)) { indent = node->GetIndentLevel(); - //Calculate the indent first + // 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; - int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2) - (expander_width/2) - EXPANDER_OFFSET; - indent = indent + m_lineHeight; //try to use the m_lineHeight as the expander space + int expander_x = indent + EXPANDER_MARGIN; + int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2) + - (expander_width/2) - EXPANDER_OFFSET; + + indent = indent + m_lineHeight; + // try to use the m_lineHeight as the expander space + dc.SetPen( m_penExpander ); dc.SetBrush( wxNullBrush ); if( node->HasChildren() ) @@ -1300,12 +1873,14 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) flag |= wxCONTROL_CURRENT; } if( node->IsOpen() ) - wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED ); + wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, + flag|wxCONTROL_EXPANDED ); else wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag); } - //force the expander column to left-center align - cell->SetAlignment( wxALIGN_CENTER_VERTICAL ); + + // force the expander column to left-center align + cell->SetAlignment( wxALIGN_CENTER_VERTICAL ); } if (node && !node->HasChildren()) { @@ -1316,7 +1891,9 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) // 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 + + // 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; @@ -1330,7 +1907,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) 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 + // else: wxALIGN_LEFT is the default // vertical alignment: item_rect.y = cell_rect.y; @@ -1338,13 +1915,13 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) 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 + // else: wxALIGN_TOP is the default // add padding item_rect.x += PADDING_RIGHTLEFT; item_rect.width = size.x - 2 * PADDING_RIGHTLEFT; - //Here we add the tree indent + // Here we add the tree indent item_rect.x += indent; int state = 0; @@ -1372,44 +1949,29 @@ 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(); + // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead + // (needs to be tested!) + wxSafeYield(); } - wxRect labelRect( xpos, - GetLineStart( m_currentRow ), - m_currentCol->GetWidth(), - GetLineHeight( m_currentRow ) ); - - GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y, - &labelRect.x, &labelRect.y); wxDataViewItem item = GetItemByRow( m_currentRow ); - m_currentCol->GetRenderer()->StartEditing( item, labelRect ); + wxRect labelRect = GetItemRect(item, m_currentCol); + + 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 + // 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 @@ -1462,7 +2024,7 @@ bool Walker( wxDataViewTreeNode * node, DoJob & func ) continue; case DoJob::CONT: default: - ; + ; } } return false; @@ -1470,9 +2032,11 @@ bool Walker( wxDataViewTreeNode * node, DoJob & func ) bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item) { - if (!m_root) + if (IsVirtualList()) { - m_count++; + wxDataViewVirtualListModel *list_model = + (wxDataViewVirtualListModel*) GetOwner()->GetModel(); + m_count = list_model->GetCount(); UpdateDisplay(); return true; } @@ -1510,12 +2074,16 @@ static void DestroyTreeHelper( wxDataViewTreeNode * node); bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent, const wxDataViewItem& item) { - if (!m_root) + if (IsVirtualList()) { - m_count--; + wxDataViewVirtualListModel *list_model = + (wxDataViewVirtualListModel*) GetOwner()->GetModel(); + m_count = list_model->GetCount(); + if( m_currentRow > GetRowCount() ) m_currentRow = m_count - 1; + // TODO: why empty the entire selection? m_selection.Empty(); UpdateDisplay(); @@ -1526,11 +2094,12 @@ bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent, 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" ); + wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, + false, "item not found" ); int sub = -1; node->GetChildren().Remove( item.GetID() ); - //Manuplate selection + // Manipolate selection if( m_selection.GetCount() > 1 ) { m_selection.Empty(); @@ -1565,11 +2134,11 @@ bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent, sub -= n->GetSubTreeCount(); ::DestroyTreeHelper(n); } - //Make the row number invalid and get a new valid one when user call GetRowCount + // 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 + // 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; @@ -1583,7 +2152,7 @@ bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item) SortPrepare(); g_model->Resort(); - //Send event + // Send event wxWindow *parent = GetParent(); wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId()); le.SetEventObject(parent); @@ -1608,7 +2177,7 @@ bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned i SortPrepare(); g_model->Resort(); - //Send event + // Send event wxWindow *parent = GetParent(); wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId()); le.SetEventObject(parent); @@ -1690,7 +2259,7 @@ void wxDataViewMainWindow::ScrollTo( int rows, int column ) m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy ); for (x_start = 0; colnum < column; colnum++) { - wxDataViewColumn *col = GetOwner()->GetColumn(colnum); + wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum); if (col->IsHidden()) continue; // skip it! @@ -1725,7 +2294,7 @@ int wxDataViewMainWindow::GetEndOfLastCol() const for (i = 0; i < GetOwner()->GetColumnCount(); i++) { const wxDataViewColumn *c = - const_cast(GetOwner())->GetColumn( i ); + const_cast(GetOwner())->GetColumnAt( i ); if (!c->IsHidden()) width += c->GetWidth(); @@ -1746,9 +2315,9 @@ unsigned int wxDataViewMainWindow::GetLastVisibleRow() { wxSize client_size = GetClientSize(); m_owner->CalcUnscrolledPosition( client_size.x, client_size.y, - &client_size.x, &client_size.y ); + &client_size.x, &client_size.y ); - //we should deal with the pixel here + // we should deal with the pixel here unsigned int row = GetLineAt(client_size.y) - 1; return wxMin( GetRowCount()-1, row ); @@ -1927,7 +2496,7 @@ void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow ) void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event) { wxCHECK_RET( newCurrent < GetRowCount(), - _T("invalid item index in OnArrowChar()") ); + wxT("invalid item index in OnArrowChar()") ); // if there is no selection, we cannot move it anywhere if (!HasCurrentRow()) @@ -2021,18 +2590,20 @@ int wxDataViewMainWindow::GetLineStart( unsigned int row ) const if (column->IsHidden()) continue; // skip it! - if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item)) + if ((col != 0) && + model->IsContainer(item) && + !model->HasContainerColumns(item)) continue; // skip it! - const wxDataViewRenderer *renderer = column->GetRenderer(); wxVariant value; model->GetValue( value, item, column->GetModelColumn() ); - wxDataViewRenderer *renderer2 = const_cast(renderer); - renderer2->SetValue( value ); + + wxDataViewRenderer *renderer = + const_cast(column->GetRenderer()); + renderer->SetValue( value ); height = wxMax( height, renderer->GetSize().y ); } - start += height; } @@ -2057,14 +2628,14 @@ int wxDataViewMainWindow::GetLineAt( unsigned int y ) const unsigned int yy = 0; for (;;) { - const wxDataViewTreeNode* node = GetTreeNodeByRow(row); - if (!node) - { - // not really correct... - return row + ((y-yy) / m_lineHeight); - } + const wxDataViewTreeNode* node = GetTreeNodeByRow(row); + if (!node) + { + // not really correct... + return row + ((y-yy) / m_lineHeight); + } - wxDataViewItem item = node->GetItem(); + wxDataViewItem item = node->GetItem(); if (node && !node->HasChildren()) { @@ -2073,31 +2644,34 @@ int wxDataViewMainWindow::GetLineAt( unsigned int y ) const wxDELETE(node); } - unsigned int cols = GetOwner()->GetColumnCount(); - unsigned int col; - int height = m_lineHeight; - for (col = 0; col < cols; col++) - { + unsigned int cols = GetOwner()->GetColumnCount(); + unsigned int col; + int height = m_lineHeight; + for (col = 0; col < cols; col++) + { const wxDataViewColumn *column = GetOwner()->GetColumn(col); if (column->IsHidden()) continue; // skip it! - if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item)) + if ((col != 0) && + model->IsContainer(item) && + !model->HasContainerColumns(item)) continue; // skip it! - const wxDataViewRenderer *renderer = column->GetRenderer(); wxVariant value; model->GetValue( value, item, column->GetModelColumn() ); - wxDataViewRenderer *renderer2 = const_cast(renderer); - renderer2->SetValue( value ); + + wxDataViewRenderer *renderer = + const_cast(column->GetRenderer()); + renderer->SetValue( value ); height = wxMax( height, renderer->GetSize().y ); - } + } - yy += height; - if (y < yy) - return row; + yy += height; + if (y < yy) + return row; - row++; + row++; } } @@ -2119,7 +2693,7 @@ int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const { // Yes, if the node does not have any child, it must be a leaf which // mean that it is a temporarily created by GetTreeNodeByRow - wxDELETE(node); + wxDELETE(node); } int height = m_lineHeight; @@ -2132,14 +2706,17 @@ int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const if (column->IsHidden()) continue; // skip it! - if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item)) + if ((col != 0) && + model->IsContainer(item) && + !model->HasContainerColumns(item)) continue; // skip it! - const wxDataViewRenderer *renderer = column->GetRenderer(); wxVariant value; model->GetValue( value, item, column->GetModelColumn() ); - wxDataViewRenderer *renderer2 = const_cast(renderer); - renderer2->SetValue( value ); + + wxDataViewRenderer *renderer = + const_cast(column->GetRenderer()); + renderer->SetValue( value ); height = wxMax( height, renderer->GetSize().y ); } @@ -2154,14 +2731,15 @@ int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const class RowToItemJob: public DoJob { public: - RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current;} - virtual ~RowToItemJob() { } + RowToItemJob( unsigned int row , int current ) + { this->row = row; this->current = current; } + virtual ~RowToItemJob() {} virtual int operator() ( wxDataViewTreeNode * node ) { current ++; if( current == static_cast(row)) - { + { ret = node->GetItem(); return DoJob::OK; } @@ -2173,8 +2751,10 @@ public: } else { - //If the current has no child node, we can find the desired item of the row number directly. - //This if can speed up finding in some case, and will has a very good effect when it comes to list view + // If the current has no child node, we can find the desired item of the row + // number directly. + // This if can speed up finding in some case, and will has a very good effect + // when it comes to list view if( node->GetNodes().GetCount() == 0) { int index = static_cast(row) - current - 1; @@ -2189,13 +2769,16 @@ public: { current ++; if( current == static_cast(row)) - { + { ret = wxDataViewItem( n ); return DoJob::OK; } return DoJob::CONT; } - wxDataViewItem GetResult(){ return ret; } + + wxDataViewItem GetResult() const + { return ret; } + private: unsigned int row; int current; @@ -2204,9 +2787,9 @@ private: wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const { - if (!m_root) + if (IsVirtualList()) { - return wxDataViewItem( wxUIntToPtr(row) ); + return wxDataViewItem( wxUIntToPtr(row+1) ); } else { @@ -2232,7 +2815,7 @@ public: { current ++; if( current == static_cast(row)) - { + { ret = node; return DoJob::OK; } @@ -2245,8 +2828,11 @@ public: else { parent = node; - //If the current has no child node, we can find the desired item of the row number directly. - //This if can speed up finding in some case, and will has a very good effect when it comes to list view + + // If the current node has no children, we can find the desired item of the + // row number directly. + // This if can speed up finding in some case, and will have a very good + // effect for list views. if( node->GetNodes().GetCount() == 0) { int index = static_cast(row) - current - 1; @@ -2258,15 +2844,13 @@ public: } return DoJob::CONT; } - - } virtual int operator() ( void * n ) { current ++; if( current == static_cast(row)) - { + { ret = new wxDataViewTreeNode( parent ); ret->SetItem( wxDataViewItem( n )); ret->SetHasChildren(false); @@ -2275,7 +2859,10 @@ public: return DoJob::CONT; } - wxDataViewTreeNode * GetResult(){ return ret; } + + wxDataViewTreeNode * GetResult() const + { return ret; } + private: unsigned int row; int current; @@ -2283,109 +2870,195 @@ private: wxDataViewTreeNode * parent; }; +wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const +{ + wxASSERT( !IsVirtualList() ); + + RowToTreeNodeJob job( row , -2, m_root ); + Walker( m_root , job ); + return job.GetResult(); +} + +wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, + const wxDataViewItem & item ) +{ + wxWindow *parent = GetParent(); + wxDataViewEvent le(type, parent->GetId()); + + le.SetEventObject(parent); + le.SetModel(GetOwner()->GetModel()); + le.SetItem( item ); + + parent->GetEventHandler()->ProcessEvent(le); + return le; +} + +bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const +{ + if (IsVirtualList()) + return false; + + wxDataViewTreeNode * node = GetTreeNodeByRow(row); + if (!node) + return false; -wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const -{ - wxASSERT( !IsVirtualList() ); + if (!node->HasChildren()) + { + delete node; + return false; + } - RowToTreeNodeJob job( row , -2, m_root ); - Walker( m_root , job ); - return job.GetResult(); + return node->IsOpen(); } -wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item ) +bool wxDataViewMainWindow::HasChildren( unsigned int row ) const { - wxWindow *parent = GetParent(); - wxDataViewEvent le(type, parent->GetId()); + if (IsVirtualList()) + return false; - le.SetEventObject(parent); - le.SetModel(GetOwner()->GetModel()); - le.SetItem( item ); + wxDataViewTreeNode * node = GetTreeNodeByRow(row); + if (!node) + return false; - parent->GetEventHandler()->ProcessEvent(le); - return le; + if (!node->HasChildren()) + { + delete node; + return false; + } + + return true; } -void wxDataViewMainWindow::OnExpanding( unsigned int row ) +void wxDataViewMainWindow::Expand( unsigned int row ) { if (IsVirtualList()) - return; + return; wxDataViewTreeNode * node = GetTreeNodeByRow(row); - if( node != NULL ) + if (!node) + return; + + if (!node->HasChildren()) { - if( node->HasChildren()) - { - if( !node->IsOpen()) + delete node; + return; + } + + if (!node->IsOpen()) { - wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem()); - //Check if the user prevent expanding - if( e.GetSkipped() ) + wxDataViewEvent e = + SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem()); + + // Check if the user prevent expanding + if( e.GetSkipped() ) return; - node->ToggleOpen(); - //Here I build the children of current node - if( node->GetChildrenNumber() == 0 ) - { - SortPrepare(); - ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node); - } - m_count = -1; - UpdateDisplay(); - //Send the expanded event - SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem()); - } - else - { - SelectRow( row, false ); - SelectRow( row + 1, true ); - ChangeCurrentRow( row + 1 ); - SendSelectionChangedEvent( GetItemByRow(row+1)); + node->ToggleOpen(); + + // build the children of current node + if( node->GetChildrenNumber() == 0 ) + { + SortPrepare(); + ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node); + } + + // By expanding the node all row indices that are currently in the selection list + // and are greater than our node have become invalid. So we have to correct that now. + const unsigned rowAdjustment = node->GetSubTreeCount(); + for(unsigned i=0; i row) + ChangeCurrentRow(m_currentRow + rowAdjustment); + + m_count = -1; + UpdateDisplay(); + // Send the expanded event + SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem()); } - } - else - delete node; - } } -void wxDataViewMainWindow::OnCollapsing(unsigned int row) +void wxDataViewMainWindow::Collapse(unsigned int row) { if (IsVirtualList()) - return; + return; - wxDataViewTreeNode * node = GetTreeNodeByRow(row); - if( node != NULL ) + wxDataViewTreeNode *node = GetTreeNodeByRow(row); + if (!node) + return; + + if (!node->HasChildren()) { - wxDataViewTreeNode * nd = node; + delete node; + return; + } - if( node->HasChildren() && node->IsOpen() ) + if (node->IsOpen()) { - wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem()); + wxDataViewEvent e = + SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem()); if( e.GetSkipped() ) return; + + // Find out if there are selected items below the current node. + bool selectCollapsingRow = false; + const unsigned rowAdjustment = node->GetSubTreeCount(); + unsigned maxRowToBeTested = row + rowAdjustment; + for(unsigned i=0; i row && testRow <= maxRowToBeTested) + { + selectCollapsingRow = true; + // get out as soon as we have found a node that is selected + break; + } + } + node->ToggleOpen(); - m_count = -1; - UpdateDisplay(); - SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem()); - } - else - { - node = node->GetParent(); - if( node != NULL ) + + // If the node to be closed has selected items the user won't see those any longer. + // We select the collapsing node in this case. + if(selectCollapsingRow) + { + SelectAllRows(false); + ChangeCurrentRow(row); + SelectRow(row, true); + SendSelectionChangedEvent(GetItemByRow(row)); + } + else { - int parent = GetRowByItem( node->GetItem() ); - if( parent >= 0 ) + // if there were no selected items below our node we still need to "fix" the + // selection list to adjust for the changing of the row indices. + // We actually do the opposite of what we are doing in Expand(). + for(unsigned i=0; iGetItem() ); + const unsigned testRow = m_selection[i]; + // all rows above us are not affected, so skip them + if(testRow <= row) + continue; + + m_selection[i] -= rowAdjustment; } + + // if the "current row" is being collapsed away we change it to the current row ;-) + if(m_currentRow > row && m_currentRow <= maxRowToBeTested) + ChangeCurrentRow(row); + else if(m_currentRow > row) + ChangeCurrentRow(m_currentRow - rowAdjustment); } + + m_count = -1; + UpdateDisplay(); + SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem()); } - if( !nd->HasChildren()) - delete nd; - } } wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item ) @@ -2394,7 +3067,10 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item if( model == NULL ) return NULL; - //Compose the a parent-chain of the finding item + if (!item.IsOk()) + return m_root; + + // Compose the a parent-chain of the finding item ItemList list; list.DeleteContents( true ); wxDataViewItem it( item ); @@ -2405,8 +3081,8 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item it = model->GetParent( it ); } - //Find the item along the parent-chain. - //This algorithm is designed to speed up the node-finding method + // Find the item along the parent-chain. + // This algorithm is designed to speed up the node-finding method wxDataViewTreeNode * node = m_root; for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ ) { @@ -2427,7 +3103,7 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item if (nodes[i]->GetItem() == (**iter)) { if (nodes[i]->GetItem() == item) - return nodes[i]; + return nodes[i]; node = nodes[i]; found = true; @@ -2443,7 +3119,8 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item return NULL; } -void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) +void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, + wxDataViewColumn* &column ) { wxDataViewColumn *col = NULL; unsigned int cols = GetOwner()->GetColumnCount(); @@ -2452,7 +3129,7 @@ void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y ); for (unsigned x_start = 0; colnum < cols; colnum++) { - col = GetOwner()->GetColumn(colnum); + col = GetOwner()->GetColumnAt(colnum); if (col->IsHidden()) continue; // skip it! @@ -2467,35 +3144,77 @@ void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item item = GetItemByRow( GetLineAt( y ) ); } -wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) +wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, + const wxDataViewColumn* column ) { + int xpos = 0; + int width = 0; + + unsigned int cols = GetOwner()->GetColumnCount(); + // If column is null the loop will compute the combined width of all columns. + // Otherwise, it will compute the x position of the column we are looking for. + for (unsigned int i = 0; i < cols; i++) + { + wxDataViewColumn* col = GetOwner()->GetColumnAt( i ); + + if (col == column) + break; + + if (col->IsHidden()) + continue; // skip it! + + xpos += col->GetWidth(); + width += col->GetWidth(); + } + + if(column != 0) + { + // If we have a column, we need can get its width directly. + if(column->IsHidden()) + width = 0; + else + width = column->GetWidth(); + + } + else + { + // If we have no column, we reset the x position back to zero. + xpos = 0; + } + + // we have to take an expander column into account and compute its indentation + // to get the correct x position where the actual text is + int indent = 0; int row = GetRowByItem(item); - int y = GetLineStart( row ); - int h = GetLineHeight( m_lineHeight ); - int x = 0; - wxDataViewColumn *col = NULL; - for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ ) + if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) ) { - col = GetOwner()->GetColumn( i ); - x += col->GetWidth(); - if( GetOwner()->GetColumn(i+1) == column ) - break; + wxDataViewTreeNode* node = GetTreeNodeByRow(row); + indent = GetOwner()->GetIndent() * node->GetIndentLevel(); + indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander + + if(!node->HasChildren()) + delete node; } - int w = col->GetWidth(); - m_owner->CalcScrolledPosition( x, y, &x, &y ); - return wxRect(x, y, w, h); + + wxRect itemRect( xpos + indent, + GetLineStart( row ), + width - indent, + GetLineHeight( row ) ); + + GetOwner()->CalcScrolledPosition( itemRect.x, itemRect.y, + &itemRect.x, &itemRect.y ); + + return itemRect; } int wxDataViewMainWindow::RecalculateCount() { - if (!m_root) + if (IsVirtualList()) { - wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel(); -#ifndef __WXMAC__ - return list_model->GetLastIndex() + 1; -#else - return list_model->GetLastIndex() - 1; -#endif + wxDataViewVirtualListModel *list_model = + (wxDataViewVirtualListModel*) GetOwner()->GetModel(); + + return list_model->GetCount(); } else { @@ -2508,30 +3227,30 @@ class ItemToRowJob : public DoJob public: ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter) : m_iter(iter), - item(item_) + item(item_) { ret = -1; } - //Maybe binary search will help to speed up this process + // Maybe binary search will help to speed up this process virtual int operator() ( wxDataViewTreeNode * node) { - ret ++; - if( node->GetItem() == item ) - { - return DoJob::OK; - } + ret ++; + if( node->GetItem() == item ) + { + return DoJob::OK; + } - if( node->GetItem() == **m_iter ) - { - m_iter++; - return DoJob::CONT; - } - else - { - ret += node->GetSubTreeCount(); - return DoJob::IGR; - } + if( node->GetItem() == **m_iter ) + { + m_iter++; + return DoJob::CONT; + } + else + { + ret += node->GetSubTreeCount(); + return DoJob::IGR; + } } @@ -2542,8 +3261,10 @@ public: return DoJob::OK; return DoJob::CONT; } - //the row number is begin from zero - int GetResult() { return ret -1; } + + // the row number is begin from zero + int GetResult() const + { return ret -1; } private: ItemList::const_iterator m_iter; @@ -2558,16 +3279,16 @@ int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const if( model == NULL ) return -1; - if (!m_root) + if (IsVirtualList()) { - return wxPtrToUInt( item.GetID() ); + return wxPtrToUInt( item.GetID() ) -1; } else { if( !item.IsOk() ) return -1; - //Compose the a parent-chain of the finding item + // Compose the a parent-chain of the finding item ItemList list; wxDataViewItem * pItem; list.DeleteContents( true ); @@ -2587,13 +3308,15 @@ int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const } } -static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node) +static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, + wxDataViewTreeNode * node) { if( !model->IsContainer( item ) ) return; wxDataViewItemArray children; unsigned int num = model->GetChildren( item, children); + unsigned int index = 0; while( index < num ) { @@ -2630,7 +3353,7 @@ void wxDataViewMainWindow::BuildTree(wxDataViewModel * model) m_root = new wxDataViewTreeNode( NULL ); m_root->SetHasChildren(true); - //First we define a invalid item to fetch the top-level elements + // First we define a invalid item to fetch the top-level elements wxDataViewItem item; SortPrepare(); BuildTreeHelper( model, item, m_root); @@ -2642,12 +3365,9 @@ static void DestroyTreeHelper( wxDataViewTreeNode * node ) if( node->GetNodeNumber() != 0 ) { int len = node->GetNodeNumber(); - int i = 0; wxDataViewTreeNodes& nodes = node->GetNodes(); - for(; i < len; i ++ ) - { + for (int i = 0; i < len; i++) DestroyTreeHelper(nodes[i]); - } } delete node; } @@ -2656,9 +3376,9 @@ void wxDataViewMainWindow::DestroyTree() { if (!IsVirtualList()) { - ::DestroyTreeHelper(m_root); - m_count = 0; - m_root = NULL; + ::DestroyTreeHelper(m_root); + m_count = 0; + m_root = NULL; } } @@ -2676,16 +3396,15 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event ) // don't use m_linesPerPage directly as it might not be computed yet const int pageSize = GetCountPerPage(); - wxCHECK_RET( pageSize, _T("should have non zero page size") ); + wxCHECK_RET( pageSize, wxT("should have non zero page size") ); switch ( event.GetKeyCode() ) { case WXK_RETURN: - { - if (m_currentRow > 0) { wxWindow *parent = GetParent(); - wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId()); + wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, + parent->GetId()); le.SetItem( GetItemByRow(m_currentRow) ); le.SetEventObject(parent); le.SetModel(GetOwner()->GetModel()); @@ -2693,7 +3412,7 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event ) parent->GetEventHandler()->ProcessEvent(le); } break; - } + case WXK_UP: if ( m_currentRow > 0 ) OnArrowChar( m_currentRow - 1, event ); @@ -2703,18 +3422,64 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event ) if ( m_currentRow < GetRowCount() - 1 ) OnArrowChar( m_currentRow + 1, event ); break; - //Add the process for tree expanding/collapsing + // Add the process for tree expanding/collapsing case WXK_LEFT: - OnCollapsing(m_currentRow); - break; - case WXK_RIGHT: - OnExpanding( m_currentRow); - break; + { + if (IsVirtualList()) + break; + + wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow); + if (!node) + break; + + if (node->HasChildren() && node->IsOpen()) + { + Collapse(m_currentRow); + } + else // if the node is already closed we move the selection to its parent + { + wxDataViewTreeNode *parent_node = node->GetParent(); + + if(!node->HasChildren()) + delete node; + + if (parent_node) + { + int parent = GetRowByItem( parent_node->GetItem() ); + if ( parent >= 0 ) + { + unsigned int row = m_currentRow; + SelectRow( row, false); + SelectRow( parent, true ); + ChangeCurrentRow( parent ); + GetOwner()->EnsureVisible( parent, -1 ); + SendSelectionChangedEvent( parent_node->GetItem() ); + } + } + } + break; + } + case WXK_RIGHT: + { + if (!IsExpanded( m_currentRow )) + Expand( m_currentRow ); + else + { + unsigned int row = m_currentRow; + SelectRow( row, false ); + SelectRow( row + 1, true ); + ChangeCurrentRow( row + 1 ); + GetOwner()->EnsureVisible( row + 1, -1 ); + SendSelectionChangedEvent( GetItemByRow(row+1) ); + } + break; + } case WXK_END: + { if (!IsEmpty()) OnArrowChar( GetRowCount() - 1, event ); break; - + } case WXK_HOME: if (!IsEmpty()) OnArrowChar( 0, event ); @@ -2743,6 +3508,16 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event ) } break; + case WXK_F2: + { + if(m_selection.size() == 1) + { + // TODO: we need to revise that when we have a concept for a 'current column' + GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0); + } + } + break; + default: event.Skip(); } @@ -2767,7 +3542,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) unsigned int i; for (i = 0; i < cols; i++) { - wxDataViewColumn *c = GetOwner()->GetColumn( i ); + wxDataViewColumn *c = GetOwner()->GetColumnAt( i ); if (c->IsHidden()) continue; // skip it! @@ -2783,14 +3558,14 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) wxDataViewRenderer *cell = col->GetRenderer(); unsigned int current = GetLineAt( y ); - if ((current > GetRowCount()) || (x > GetEndOfLastCol())) + if ((current >= GetRowCount()) || (x > GetEndOfLastCol())) { // Unselect all if below the last row ? return; } - //Test whether the mouse is hovered on the tree item button - bool hover = false; + // Test whether the mouse is hovered on the tree item button + bool hoverOverExpander = false; if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col)) { wxDataViewTreeNode * node = GetTreeNodeByRow(current); @@ -2798,22 +3573,24 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) { int indent = node->GetIndentLevel(); indent = GetOwner()->GetIndent()*indent; - wxRect rect( xpos + indent + EXPANDER_MARGIN, - GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET, - m_lineHeight-2*EXPANDER_MARGIN, - m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET); - if( rect.Contains( x, y) ) + + // we make the rectangle we are looking in a bit bigger than the actual + // visual expander so the user can hit that little thing reliably + wxRect rect( xpos + indent, + GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2, + m_lineHeight, m_lineHeight); + if( rect.Contains(x, y) ) { - //So the mouse is over the expander - hover = true; + // So the mouse is over the expander + hoverOverExpander = true; if (m_underMouse && m_underMouse != node) { - //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); + // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); RefreshRow(GetRowByItem(m_underMouse->GetItem())); } if (m_underMouse != node) { - //wxLogMessage("Do the row: %d", current); + // wxLogMessage("Do the row: %d", current); RefreshRow(current); } m_underMouse = node; @@ -2822,11 +3599,11 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) if (node!=NULL && !node->HasChildren()) delete node; } - if (!hover) + if (!hoverOverExpander) { if (m_underMouse != NULL) { - //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); + // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); RefreshRow(GetRowByItem(m_underMouse->GetItem())); m_underMouse = NULL; } @@ -2834,6 +3611,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) wxDataViewModel *model = GetOwner()->GetModel(); +#if wxUSE_DRAG_AND_DROP if (event.Dragging()) { if (m_dragCount == 0) @@ -2851,7 +3629,30 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) if (event.LeftIsDown()) { + m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y, + &m_dragStart.x, &m_dragStart.y ); + unsigned int drag_item_row = GetLineAt( m_dragStart.y ); + wxDataViewItem item = GetItemByRow( drag_item_row ); + // Notify cell about drag + wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() ); + event.SetEventObject( m_owner ); + event.SetItem( item ); + event.SetModel( model ); + if (!m_owner->HandleWindowEvent( event )) + return; + + if (!event.IsAllowed()) + return; + + wxDataObject *obj = event.GetDataObject(); + if (!obj) + return; + + wxDataViewDropSource drag( this, drag_item_row ); + drag.SetData( *obj ); + /* wxDragResult res = */ drag.DoDragDrop(); + delete obj; } return; } @@ -2859,8 +3660,9 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) { m_dragCount = 0; } +#endif // wxUSE_DRAG_AND_DROP - bool forceClick = false; + bool simulateClick = false; if (event.ButtonDClick()) { @@ -2871,12 +3673,17 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) wxDataViewItem item = GetItemByRow(current); bool ignore_other_columns = ((GetOwner()->GetExpanderColumn() != col) && - (model->IsContainer(item)) && - (!model->HasContainerColumns(item))); + (model->IsContainer(item)) && + (!model->HasContainerColumns(item))); if (event.LeftDClick()) { - if ( current == m_lineLastClicked ) + if(hoverOverExpander) + { + // a double click on the expander will be converted into a "simulated" normal click + simulateClick = true; + } + else if ( current == m_lineLastClicked ) { if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE)) { @@ -2884,9 +3691,8 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) model->GetValue( value, item, col->GetModelColumn() ); cell->SetValue( value ); wxRect cell_rect( xpos, GetLineStart( current ), - col->GetWidth(), GetLineHeight( current ) ); + col->GetWidth(), GetLineHeight( current ) ); cell->Activate( cell_rect, model, item, col->GetModelColumn() ); - } else { @@ -2904,47 +3710,23 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) { // The first click was on another item, so don't interpret this as // a double click, but as a simple click instead - forceClick = true; + simulateClick = true; } } - if (event.LeftUp()) + if (event.LeftUp() && !hoverOverExpander) { if (m_lineSelectSingleOnUp != (unsigned int)-1) { // select single line SelectAllRows( false ); SelectRow( m_lineSelectSingleOnUp, true ); + SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) ); } - //Process the event of user clicking the expander - bool expander = false; - if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col)) - { - wxDataViewTreeNode * node = GetTreeNodeByRow(current); - if( node!=NULL && node->HasChildren() ) - { - int indent = node->GetIndentLevel(); - indent = GetOwner()->GetIndent()*indent; - wxRect rect( xpos + indent + EXPANDER_MARGIN, - GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET, - m_lineHeight-2*EXPANDER_MARGIN, - m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET); - - if( rect.Contains( x, y) ) - { - expander = true; - if( node->IsOpen() ) - OnCollapsing(current); - else - OnExpanding( current ); - } - } - if (node && !node->HasChildren()) - delete node; - } - //If the user click the expander, we do not do editing even if the column with expander are editable - if (m_lastOnSame && !expander && !ignore_other_columns) + // If the user click the expander, we do not do editing even if the column + // with expander are editable + if (m_lastOnSame && !ignore_other_columns) { if ((col == m_currentCol) && (current == m_currentRow) && (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) ) @@ -2956,7 +3738,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) m_lastOnSame = false; m_lineSelectSingleOnUp = (unsigned int)-1; } - else + else if(!event.LeftUp()) { // This is necessary, because after a DnD operation in // from and to ourself, the up event is swallowed by the @@ -2979,7 +3761,9 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) SelectRow(m_currentRow,true); SendSelectionChangedEvent(GetItemByRow( m_currentRow ) ); } - + } + else if (event.RightUp()) + { wxVariant value; model->GetValue( value, item, col->GetModelColumn() ); wxWindow *parent = GetParent(); @@ -2993,7 +3777,20 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) else if (event.MiddleDown()) { } - if (event.LeftDown() || forceClick) + + if((event.LeftDown() || simulateClick) && hoverOverExpander) + { + wxDataViewTreeNode* node = GetTreeNodeByRow(current); + + // hoverOverExpander being true tells us that our node must be + // valid and have children. + // So we don't need any extra checks. + if( node->IsOpen() ) + Collapse(current); + else + Expand(current); + } + else if ((event.LeftDown() || simulateClick) && !hoverOverExpander) { SetFocus(); @@ -3032,7 +3829,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) ChangeCurrentRow(current); unsigned int lineFrom = oldCurrentRow, - lineTo = current; + lineTo = current; if ( lineTo < lineFrom ) { @@ -3046,7 +3843,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) else // !ctrl, !shift { // test in the enclosing if should make it impossible - wxFAIL_MSG( _T("how did we get here?") ); + wxFAIL_MSG( wxT("how did we get here?") ); } } @@ -3058,7 +3855,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) // Update selection here... m_currentCol = col; - m_lastOnSame = !forceClick && ((col == oldCurrentCol) && + m_lastOnSame = !simulateClick && ((col == oldCurrentCol) && (current == oldCurrentRow)) && oldWasSelected; // Call LeftClick after everything else as under GTK+ @@ -3069,8 +3866,9 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) model->GetValue( value, item, col->GetModelColumn() ); cell->SetValue( value ); wxRect cell_rect( xpos, GetLineStart( current ), - col->GetWidth(), GetLineHeight( current ) ); - /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, model, item, col->GetModelColumn()); + col->GetWidth(), GetLineHeight( current ) ); + /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, + model, item, col->GetModelColumn()); } } } @@ -3106,10 +3904,10 @@ wxDataViewItem wxDataViewMainWindow::GetSelection() const //----------------------------------------------------------------------------- // wxDataViewCtrl //----------------------------------------------------------------------------- + WX_DEFINE_LIST(wxDataViewColumnList) IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase) - BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase) EVT_SIZE(wxDataViewCtrl::OnSize) END_EVENT_TABLE() @@ -3128,16 +3926,17 @@ void wxDataViewCtrl::Init() m_notifier = NULL; // No sorting column at start - m_sortingColumn = NULL; + m_sortingColumnIdx = wxNOT_FOUND; + m_headerArea = NULL; } bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxValidator& validator ) + const wxPoint& pos, const wxSize& size, + long style, const wxValidator& validator ) { - if ( (style & wxBORDER_MASK) == 0) - style |= wxBORDER_SUNKEN; +// if ( (style & wxBORDER_MASK) == 0) +// style |= wxBORDER_SUNKEN; Init(); @@ -3169,10 +3968,15 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id, return true; } +wxBorder wxDataViewCtrl::GetDefaultBorder() const +{ + return wxBORDER_THEME; +} + #ifdef __WXMSW__ WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg, - WXWPARAM wParam, - WXLPARAM lParam) + WXWPARAM wParam, + WXLPARAM lParam) { WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam); @@ -3192,7 +3996,7 @@ wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size) { wxSize newsize = size; if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea)) - newsize.y -= m_headerArea->GetSize().y; + newsize.y -= m_headerArea->GetSize().y; return newsize; } @@ -3235,13 +4039,27 @@ bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model ) return true; } +#if wxUSE_DRAG_AND_DROP + +bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format ) +{ + return m_clientArea->EnableDragSource( format ); +} + +bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format ) +{ + return m_clientArea->EnableDropTarget( format ); +} + +#endif // wxUSE_DRAG_AND_DROP + bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col ) { if (!wxDataViewCtrlBase::AppendColumn(col)) return false; m_cols.Append( col ); - OnColumnChange(); + OnColumnsCountChanged(); return true; } @@ -3251,7 +4069,7 @@ bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col ) return false; m_cols.Insert( col ); - OnColumnChange(); + OnColumnsCountChanged(); return true; } @@ -3261,11 +4079,19 @@ bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col ) return false; m_cols.Insert( pos, col ); - OnColumnChange(); + OnColumnsCountChanged(); return true; } -void wxDataViewCtrl::OnColumnChange() +void wxDataViewCtrl::OnColumnChange(unsigned int idx) +{ + if ( m_headerArea ) + m_headerArea->UpdateColumn(idx); + + m_clientArea->UpdateDisplay(); +} + +void wxDataViewCtrl::OnColumnsCountChanged() { if (m_headerArea) m_headerArea->SetColumnCount(GetColumnCount()); @@ -3288,32 +4114,39 @@ unsigned int wxDataViewCtrl::GetColumnCount() const return m_cols.GetCount(); } -wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const +wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const { - wxDataViewColumnList::const_iterator iter; - unsigned int i = 0; - for (iter = m_cols.begin(); iter!=m_cols.end(); iter++) - { - if (i == pos) - return *iter; + return m_cols[idx]; +} - if ((*iter)->IsHidden()) - continue; - i ++; - } - return NULL; +wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const +{ + // columns can't be reordered if there is no header window which allows + // to do this + const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos] + : pos; + + return GetColumn(idx); } -void wxDataViewCtrl::ColumnMoved( wxDataViewColumn* col, unsigned int new_pos ) +int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const { - if (new_pos > m_cols.GetCount()) return; + const unsigned count = m_cols.size(); + for ( unsigned n = 0; n < count; n++ ) + { + if ( m_cols[n] == column ) + return n; + } - // Exchange position - m_cols.DeleteContents(false); - m_cols.DeleteObject( col ); - m_cols.Insert( new_pos, col ); - m_cols.DeleteContents(true); + return wxNOT_FOUND; +} +void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col), + unsigned int WXUNUSED(new_pos)) +{ + // do _not_ reorder m_cols elements here, they should always be in the + // order in which columns were added, we only display the columns in + // different order m_clientArea->UpdateDisplay(); } @@ -3324,7 +4157,7 @@ bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column ) return false; m_cols.Erase(ret); - OnColumnChange(); + OnColumnsCountChanged(); return true; } @@ -3332,23 +4165,24 @@ bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column ) bool wxDataViewCtrl::ClearColumns() { m_cols.Clear(); - OnColumnChange(); + OnColumnsCountChanged(); return true; } int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const { - int ret = 0, dead = 0; - int len = GetColumnCount(); - for (int i=0; iIsHidden()) continue; ret += col->GetWidth(); if (column==col) { - CalcScrolledPosition( ret, dead, &ret, &dead ); + CalcScrolledPosition( ret, dummy, &ret, &dummy ); break; } } @@ -3357,10 +4191,11 @@ int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const { - return NULL; + return m_sortingColumnIdx == wxNOT_FOUND ? NULL + : GetColumn(m_sortingColumnIdx); } -//Selection code with wxDataViewItem as parameters +// Selection code with wxDataViewItem as parameters wxDataViewItem wxDataViewCtrl::GetSelection() const { return m_clientArea->GetSelection(); @@ -3382,22 +4217,37 @@ int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel ) { wxDataViewSelection selection(wxDataViewSelectionCmp); + + wxDataViewItem last_parent; + int len = sel.GetCount(); for( int i = 0; i < len; i ++ ) { - int row = m_clientArea->GetRowByItem( sel[i] ); + wxDataViewItem item = sel[i]; + wxDataViewItem parent = GetModel()->GetParent( item ); + if (parent) + { + if (parent != last_parent) + ExpandAncestors(item); + } + + last_parent = parent; + int row = m_clientArea->GetRowByItem( item ); if( row >= 0 ) selection.Add( static_cast(row) ); } + m_clientArea->SetSelections( selection ); } void wxDataViewCtrl::Select( const wxDataViewItem & item ) { + ExpandAncestors( item ); + int row = m_clientArea->GetRowByItem( item ); if( row >= 0 ) { - //Unselect all rows before select another in the single select mode + // Unselect all rows before select another in the single select mode if (m_clientArea->IsSingleSel()) m_clientArea->SelectAllRows(false); m_clientArea->SelectRow(row, true); @@ -3421,7 +4271,7 @@ bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const return false; } -//Selection code with row number as parameter +// Selection code with row number as parameter int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const { sel.Empty(); @@ -3517,33 +4367,29 @@ void wxDataViewCtrl::EnsureVisible( int row, int column ) void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column ) { + ExpandAncestors( item ); + + m_clientArea->RecalculateDisplay(); + int row = m_clientArea->GetRowByItem(item); if( row >= 0 ) { if( column == NULL ) EnsureVisible(row, -1); else - { - int col = 0; - int len = GetColumnCount(); - for( int i = 0; i < len; i ++ ) - if( GetColumn(i) == column ) - { - col = i; - break; - } - EnsureVisible( row, col ); - } + EnsureVisible( row, GetColumnIndex(column) ); } } -void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const +void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, + wxDataViewColumn* &column ) const { m_clientArea->HitTest(point, item, column); } -wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const +wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, + const wxDataViewColumn* column ) const { return m_clientArea->GetItemRect(item, column); } @@ -3572,8 +4418,25 @@ void wxDataViewCtrl::Collapse( const wxDataViewItem & item ) m_clientArea->Collapse(row); } - #endif - // !wxUSE_GENERICDATAVIEWCTRL +bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const +{ + int row = m_clientArea->GetRowByItem( item ); + if (row != -1) + return m_clientArea->IsExpanded(row); + return false; +} + +void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column ) +{ + wxDataViewColumn* col = GetColumn( column ); + if (!col) + return; + + wxRect itemRect = GetItemRect(item, col); + wxDataViewRenderer* renderer = col->GetRenderer(); + renderer->StartEditing(item, itemRect); +} + +#endif // !wxUSE_GENERICDATAVIEWCTRL -#endif - // wxUSE_DATAVIEWCTRL +#endif // wxUSE_DATAVIEWCTRL