X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/977a41ec3e85ae7736b7028ec04ebd1818058c8e..17243986ece245112e96e260d800f9090746d833:/src/generic/datavgen.cpp diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp index ad90b57e70..d90cd83ef0 100644 --- a/src/generic/datavgen.cpp +++ b/src/generic/datavgen.cpp @@ -3,7 +3,6 @@ // Purpose: wxDataViewCtrl generic implementation // Author: Robert Roebling // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang -// Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -38,7 +37,6 @@ #endif #include "wx/stockitem.h" -#include "wx/calctrl.h" #include "wx/popupwin.h" #include "wx/renderer.h" #include "wx/dcbuffer.h" @@ -48,13 +46,21 @@ #include "wx/imaglist.h" #include "wx/headerctrl.h" #include "wx/dnd.h" +#include "wx/stopwatch.h" +#include "wx/weakref.h" //----------------------------------------------------------------------------- // classes //----------------------------------------------------------------------------- +class wxDataViewColumn; +class wxDataViewHeaderWindow; class wxDataViewCtrl; +//----------------------------------------------------------------------------- +// classes +//----------------------------------------------------------------------------- + static const int SCROLL_UNIT_X = 15; // the cell padding on the left/right @@ -69,12 +75,125 @@ static const int EXPANDER_OFFSET = 4; static const int EXPANDER_OFFSET = 1; #endif -//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; +// 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; + +// The column is either the index of the column to be used for sorting or one +// of the special values in this enum: +enum +{ + // Sort when we're thawed later. + SortColumn_OnThaw = -3, + + // Don't sort at all. + SortColumn_None = -2, + + // Sort using the model default sort order. + SortColumn_Default = -1 +}; + +static int g_column = SortColumn_None; static bool g_asending = true; +// ---------------------------------------------------------------------------- +// helper functions +// ---------------------------------------------------------------------------- + +namespace +{ + +// Return the expander column or, if it is not set, the first column and also +// set it as the expander one for the future. +wxDataViewColumn* GetExpanderColumnOrFirstOne(wxDataViewCtrl* dataview) +{ + wxDataViewColumn* expander = dataview->GetExpanderColumn(); + if (!expander) + { + // TODO-RTL: last column for RTL support + expander = dataview->GetColumnAt( 0 ); + dataview->SetExpanderColumn(expander); + } + + return expander; +} + +} // anonymous namespace + +//----------------------------------------------------------------------------- +// wxDataViewColumn +//----------------------------------------------------------------------------- + +void wxDataViewColumn::Init(int width, wxAlignment align, int flags) +{ + m_width = width; + m_minWidth = 0; + m_align = align; + m_flags = flags; + m_sort = false; + m_sortAscending = true; +} + +int wxDataViewColumn::GetWidth() const +{ + switch ( m_width ) + { + case wxCOL_WIDTH_DEFAULT: + return wxDVC_DEFAULT_WIDTH; + + case wxCOL_WIDTH_AUTOSIZE: + wxCHECK_MSG( m_owner, wxDVC_DEFAULT_WIDTH, "no owner control" ); + return m_owner->GetBestColumnWidth(m_owner->GetColumnIndex(this)); + + default: + return m_width; + } +} + +void wxDataViewColumn::UpdateDisplay() +{ + if (m_owner) + { + int idx = m_owner->GetColumnIndex( this ); + m_owner->OnColumnChange( idx ); + } +} + +void wxDataViewColumn::UnsetAsSortKey() +{ + m_sort = false; + + if ( m_owner ) + m_owner->SetSortingColumnIndex(wxNOT_FOUND); + + UpdateDisplay(); +} + +void wxDataViewColumn::SetSortOrder(bool ascending) +{ + if ( !m_owner ) + return; + + // First unset the old sort column if any. + int oldSortKey = m_owner->GetSortingColumnIndex(); + if ( oldSortKey != wxNOT_FOUND ) + { + m_owner->GetColumn(oldSortKey)->UnsetAsSortKey(); + } + + // Now set this one as the new sort column. + const int idx = m_owner->GetColumnIndex(this); + m_owner->SetSortingColumnIndex(idx); + + m_sort = true; + m_sortAscending = ascending; + + // Call this directly instead of using UpdateDisplay() as we already have + // the column index, no need to look it up again. + m_owner->OnColumnChange(idx); +} + //----------------------------------------------------------------------------- // wxDataViewHeaderWindow //----------------------------------------------------------------------------- @@ -122,14 +241,14 @@ private: // for events created by wxDataViewHeaderWindow the // row / value fields are not valid - return owner->GetEventHandler()->ProcessEvent(event); + return owner->ProcessWindowEvent(event); } void OnClick(wxHeaderCtrlEvent& event) { const unsigned idx = event.GetColumn(); - if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) ) + if ( SendEvent(wxEVT_DATAVIEW_COLUMN_HEADER_CLICK, idx) ) return; // default handling for the column click is to sort by this column or @@ -150,16 +269,7 @@ private: } 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(); + col->SetSortOrder(true); } wxDataViewModel * const model = owner->GetModel(); @@ -167,16 +277,18 @@ private: model->Resort(); owner->OnColumnChange(idx); + + SendEvent(wxEVT_DATAVIEW_COLUMN_SORTED, idx); } void OnRClick(wxHeaderCtrlEvent& event) { - if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, + if ( !SendEvent(wxEVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, event.GetColumn()) ) event.Skip(); } - void OnEndResize(wxHeaderCtrlEvent& event) + void OnResize(wxHeaderCtrlEvent& event) { wxDataViewCtrl * const owner = GetOwner(); @@ -200,7 +312,8 @@ BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl) EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick) EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick) - EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnEndResize) + 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() @@ -222,58 +335,92 @@ public: //----------------------------------------------------------------------------- // wxDataViewTreeNode //----------------------------------------------------------------------------- + class wxDataViewTreeNode; WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes ); -WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves); -int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2); -int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2); +int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, + wxDataViewTreeNode ** node2); class wxDataViewTreeNode { public: - wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL ) + wxDataViewTreeNode(wxDataViewTreeNode *parent, const wxDataViewItem& item) + : m_parent(parent), + m_item(item), + m_branchData(NULL) { - m_parent = parent; - if (!parent) - m_open = true; - else - m_open = false; - m_hasChildren = false; - m_subTreeCount = 0; } ~wxDataViewTreeNode() { + if ( m_branchData ) + { + wxDataViewTreeNodes& nodes = m_branchData->children; + for ( wxDataViewTreeNodes::iterator i = nodes.begin(); + i != nodes.end(); + ++i ) + { + delete *i; + } + + delete m_branchData; + } + } + + static wxDataViewTreeNode* CreateRootNode() + { + wxDataViewTreeNode *n = new wxDataViewTreeNode(NULL, wxDataViewItem()); + n->m_branchData = new BranchNodeData; + n->m_branchData->open = true; + return n; } wxDataViewTreeNode * GetParent() const { return m_parent; } - void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; } - wxDataViewTreeNodes & GetNodes() { return m_nodes; } - wxDataViewTreeLeaves & GetChildren() { return m_leaves; } - void AddNode( wxDataViewTreeNode * node ) + const wxDataViewTreeNodes& GetChildNodes() const { - m_leaves.Add( node->GetItem().GetID() ); - if (g_column >= -1) - m_leaves.Sort( &wxGenericTreeModelItemCmp ); - m_nodes.Add( node ); - if (g_column >= -1) - m_nodes.Sort( &wxGenericTreeModelNodeCmp ); + wxASSERT( m_branchData != NULL ); + return m_branchData->children; } - void AddLeaf( void * leaf ) + + void InsertChild(wxDataViewTreeNode *node, unsigned index) { - m_leaves.Add( leaf ); + if ( !m_branchData ) + m_branchData = new BranchNodeData; + + m_branchData->children.Insert(node, index); + + // TODO: insert into sorted array directly in O(log n) instead of resorting in O(n log n) if (g_column >= -1) - m_leaves.Sort( &wxGenericTreeModelItemCmp ); + m_branchData->children.Sort( &wxGenericTreeModelNodeCmp ); + } + + void RemoveChild(wxDataViewTreeNode *node) + { + wxCHECK_RET( m_branchData != NULL, "leaf node doesn't have children" ); + m_branchData->children.Remove(node); + } + + // returns position of child node for given item in children list or wxNOT_FOUND + int FindChildByItem(const wxDataViewItem& item) const + { + if ( !m_branchData ) + return wxNOT_FOUND; + + const wxDataViewTreeNodes& nodes = m_branchData->children; + const int len = nodes.size(); + for ( int i = 0; i < len; i++ ) + { + if ( nodes[i]->m_item == item ) + return i; + } + return wxNOT_FOUND; } - wxDataViewItem & GetItem() { return m_item; } const wxDataViewItem & GetItem() const { return m_item; } void SetItem( const wxDataViewItem & item ) { m_item = item; } - unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); } - unsigned int GetNodeNumber() const { return m_nodes.GetCount(); } int GetIndentLevel() const { int ret = 0; @@ -288,84 +435,146 @@ public: bool IsOpen() const { - return m_open; + return m_branchData && m_branchData->open; } void ToggleOpen() { - int len = m_nodes.GetCount(); + // We do not allow the (invisible) root node to be collapsed because + // there is no way to expand it again. + if ( !m_parent ) + return; + + wxCHECK_RET( m_branchData != NULL, "can't open leaf node" ); + int sum = 0; + + const wxDataViewTreeNodes& nodes = m_branchData->children; + const int len = nodes.GetCount(); for ( int i = 0;i < len; i ++) - sum += m_nodes[i]->GetSubTreeCount(); + sum += 1 + nodes[i]->GetSubTreeCount(); - sum += m_leaves.GetCount(); - if (m_open) + if (m_branchData->open) { ChangeSubTreeCount(-sum); - m_open = !m_open; + m_branchData->open = !m_branchData->open; } else { - m_open = !m_open; - ChangeSubTreeCount(sum); + m_branchData->open = !m_branchData->open; + ChangeSubTreeCount(+sum); + } + } + + // "HasChildren" property corresponds to model's IsContainer(). Note that it may be true + // even if GetChildNodes() is empty; see below. + bool HasChildren() const + { + return m_branchData != NULL; + } + + void SetHasChildren(bool has) + { + // The invisible root item always has children, so ignore any attempts + // to change this. + if ( !m_parent ) + return; + + if ( !has ) + { + wxDELETE(m_branchData); } + else if ( m_branchData == NULL ) + { + m_branchData = new BranchNodeData; + } + } + + int GetSubTreeCount() const + { + return m_branchData ? m_branchData->subTreeCount : 0; } - bool HasChildren() const { return m_hasChildren; } - void SetHasChildren( bool has ){ m_hasChildren = has; } - void SetSubTreeCount( int num ) { m_subTreeCount = num; } - int GetSubTreeCount() const { return m_subTreeCount; } void ChangeSubTreeCount( int num ) { - if( !m_open ) + wxASSERT( m_branchData != NULL ); + + if( !m_branchData->open ) return; - m_subTreeCount += num; + + m_branchData->subTreeCount += num; + wxASSERT( m_branchData->subTreeCount >= 0 ); + if( m_parent ) m_parent->ChangeSubTreeCount(num); } void Resort() { + if ( !m_branchData ) + return; + if (g_column >= -1) { - m_nodes.Sort( &wxGenericTreeModelNodeCmp ); - int len = m_nodes.GetCount(); + wxDataViewTreeNodes& nodes = m_branchData->children; + + nodes.Sort( &wxGenericTreeModelNodeCmp ); + int len = nodes.GetCount(); for (int i = 0; i < len; i ++) - m_nodes[i]->Resort(); - m_leaves.Sort( &wxGenericTreeModelItemCmp ); + { + if ( nodes[i]->HasChildren() ) + nodes[i]->Resort(); + } } } + private: wxDataViewTreeNode *m_parent; - wxDataViewTreeNodes m_nodes; - wxDataViewTreeLeaves m_leaves; + + // Corresponding model item. wxDataViewItem m_item; - bool m_open; - bool m_hasChildren; - int m_subTreeCount; + + // Data specific to non-leaf (branch, inner) nodes. They are kept in a + // separate struct in order to conserve memory. + struct BranchNodeData + { + BranchNodeData() + : open(false), + subTreeCount(0) + { + } + + // Child nodes. Note that this may be empty even if m_hasChildren in + // case this branch of the tree wasn't expanded and realized yet. + wxDataViewTreeNodes children; + + // Is the branch node currently open (expanded)? + bool open; + + // Total count of expanded (i.e. visible with the help of some + // scrolling) items in the subtree, but excluding this node. I.e. it is + // 0 for leaves and is the number of rows the subtree occupies for + // branch nodes. + int subTreeCount; + }; + + BranchNodeData *m_branchData; }; -int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2) -{ - return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending ); -} -int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2) +int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, + wxDataViewTreeNode ** node2) { - return g_model->Compare( *id1, *id2, g_column, g_asending ); + return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending ); } - //----------------------------------------------------------------------------- // wxDataViewMainWindow //----------------------------------------------------------------------------- -WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection, - WXDLLIMPEXP_ADV); -WX_DECLARE_LIST(wxDataViewItem, ItemList); -WX_DEFINE_LIST(ItemList) +WX_DEFINE_SORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection); class wxDataViewMainWindow: public wxWindow { @@ -377,13 +586,14 @@ public: const wxString &name = wxT("wxdataviewctrlmainwindow") ); virtual ~wxDataViewMainWindow(); + bool IsList() const { return GetModel()->IsListModel(); } bool IsVirtualList() const { return m_root == NULL; } // notifications from wxDataViewModel bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item ); bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item ); bool ItemChanged( const wxDataViewItem &item ); - bool ValueChanged( const wxDataViewItem &item, unsigned int col ); + bool ValueChanged( const wxDataViewItem &item, unsigned int model_column ); bool Cleared(); void Resort() { @@ -395,20 +605,50 @@ public: UpdateDisplay(); } + // Override the base class method to resort if needed, i.e. if + // SortPrepare() was called -- and ignored -- while we were frozen. + virtual void DoThaw() + { + if ( g_column == SortColumn_OnThaw ) + { + Resort(); + g_column = SortColumn_None; + } + + wxWindow::DoThaw(); + } + void SortPrepare() { - g_model = GetOwner()->GetModel(); + g_model = GetModel(); + wxDataViewColumn* col = GetOwner()->GetSortingColumn(); if( !col ) { if (g_model->HasDefaultCompare()) - g_column = -1; + { + // See below for the explanation of IsFrozen() test. + if ( IsFrozen() ) + g_column = SortColumn_OnThaw; + else + g_column = SortColumn_Default; + } else - g_column = -2; + g_column = SortColumn_None; g_asending = true; return; } + + // Avoid sorting while the window is frozen, this allows to quickly add + // many items without resorting after each addition and only resort + // them all at once when the window is finally thawed, see above. + if ( IsFrozen() ) + { + g_column = SortColumn_OnThaw; + return; + } + g_column = col->GetModelColumn(); g_asending = col->IsSortOrderAscending(); } @@ -417,12 +657,18 @@ public: wxDataViewCtrl *GetOwner() { return m_owner; } const wxDataViewCtrl *GetOwner() const { return m_owner; } + wxDataViewModel* GetModel() { return GetOwner()->GetModel(); } + const wxDataViewModel* GetModel() const { return GetOwner()->GetModel(); } + #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 OnCharHook( wxKeyEvent &event ); void OnChar( wxKeyEvent &event ); + void OnVerticalNavigation(int delta, const wxKeyEvent& event); + void OnLeftKey(); + void OnRightKey(); void OnMouse( wxMouseEvent &event ); void OnSetFocus( wxFocusEvent &event ); void OnKillFocus( wxFocusEvent &event ); @@ -436,8 +682,13 @@ public: void ScrollWindow( int dx, int dy, const wxRect *rect = NULL ); void ScrollTo( int rows, int column ); + unsigned GetCurrentRow() const { return m_currentRow; } bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; } void ChangeCurrentRow( unsigned int row ); + bool TryAdvanceCurrentColumn(wxDataViewTreeNode *node, bool forward); + + wxDataViewColumn *GetCurrentColumn() const { return m_currentCol; } + void ClearCurrentColumn() { m_currentCol = NULL; } bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); } bool IsEmpty() { return GetRowCount() == 0; } @@ -445,13 +696,16 @@ 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(); + unsigned int GetRowCount() const; - wxDataViewItem GetSelection() const; - wxDataViewSelection GetSelections(){ return m_selection; } - void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); } + const wxDataViewSelection& GetSelections() const { return m_selection; } + 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 ); @@ -476,19 +730,28 @@ 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 + void SetRowHeight( int lineHeight ) { m_lineHeight = lineHeight; } + int GetRowHeight() const { return m_lineHeight; } + int GetDefaultRowHeight() const; + + // 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 + wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const; + // We did not need this temporarily + // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item ); + + // 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 ); @@ -501,19 +764,26 @@ public: 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 ); + void OnColumnsCountChanged(); - int RecalculateCount(); + // Called by wxDataViewCtrl and our own OnRenameTimer() to start edit the + // specified item in the given column. + void StartEditing(const wxDataViewItem& item, const wxDataViewColumn* col); + +private: + int RecalculateCount() const; - wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item ); - void OnExpanding( unsigned int row ); - void OnCollapsing( unsigned int row ); + // Return false only if the event was vetoed by its handler. + bool SendExpanderEvent(wxEventType type, const wxDataViewItem& item); wxDataViewTreeNode * FindNode( const wxDataViewItem & item ); + wxDataViewColumn *FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode); + + bool IsCellEditableInMode(const wxDataViewItem& item, const wxDataViewColumn *col, wxDataViewCellMode mode) const; + + void DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect ); + private: wxDataViewCtrl *m_owner; int m_lineHeight; @@ -527,6 +797,8 @@ private: bool m_lastOnSame; bool m_hasFocus; + bool m_useCellFocus; + bool m_currentColSetByKeyboard; #if wxUSE_DRAG_AND_DROP int m_dragCount; @@ -552,11 +824,19 @@ 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; + + // The control used for editing or NULL. + wxWeakRef m_editorCtrl; + + // Id m_editorCtrl is non-NULL, pointer to the associated renderer. + wxDataViewRenderer* m_editorRenderer; + private: DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow) DECLARE_EVENT_TABLE() @@ -597,19 +877,17 @@ IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase) wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype, wxDataViewCellMode mode, int align) : - wxDataViewRendererBase( varianttype, mode, align ) + wxDataViewCustomRendererBase( varianttype, mode, align ) { - m_dc = NULL; m_align = align; m_mode = mode; - m_wantsAttr = false; - m_hasAttr = false; + m_ellipsizeMode = wxELLIPSIZE_MIDDLE; + m_dc = NULL; } wxDataViewRenderer::~wxDataViewRenderer() { - if (m_dc) - delete m_dc; + delete m_dc; } wxDC *wxDataViewRenderer::GetDC() @@ -636,19 +914,6 @@ int wxDataViewRenderer::GetAlignment() const return m_align; } -int wxDataViewRenderer::CalculateAlignment() const -{ - if (m_align == wxDVR_DEFAULT_ALIGNMENT) - { - if (GetOwner() == NULL) - return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL; - - return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL; - } - - return m_align; -} - // --------------------------------------------------------- // wxDataViewCustomRenderer // --------------------------------------------------------- @@ -661,25 +926,15 @@ wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype, { } -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)); -} - // --------------------------------------------------------- // wxDataViewTextRenderer // --------------------------------------------------------- -IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer) +IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer) wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype, wxDataViewCellMode mode, int align ) : - wxDataViewCustomRenderer( varianttype, mode, align ) + wxDataViewRenderer( varianttype, mode, align ) { } @@ -695,107 +950,56 @@ bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const return false; } -bool wxDataViewTextRenderer::HasEditorCtrl() +bool wxDataViewTextRenderer::HasEditorCtrl() const { return true; } -wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent, +wxWindow* 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), + wxTE_PROCESS_ENTER ); + + // 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 ) +bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant &value ) { wxTextCtrl *text = (wxTextCtrl*) editor; value = text->GetValue(); return true; } -bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state ) +bool wxDataViewTextRenderer::Render(wxRect rect, wxDC *dc, int state) { - RenderText( m_text, 0, cell, dc, state ); + RenderText(m_text, 0, rect, dc, state); return true; } 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); -} - -// --------------------------------------------------------- -// wxDataViewTextRendererAttr -// --------------------------------------------------------- - -IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer) - -wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype, - wxDataViewCellMode mode, int align ) : - wxDataViewTextRenderer( varianttype, mode, align ) -{ - m_wantsAttr = true; -} - -bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) ) -{ - wxFont font; - wxColour colour; - - if (m_hasAttr) - { - if (m_attr.HasColour()) - { - colour = dc->GetTextForeground(); - dc->SetTextForeground( m_attr.GetColour() ); - } - - 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 ); - } - } - - 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; + return GetTextExtent(m_text); + else + return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE); } - // --------------------------------------------------------- // wxDataViewBitmapRenderer // --------------------------------------------------------- -IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer) +IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer) wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype, wxDataViewCellMode mode, int align ) : - wxDataViewCustomRenderer( varianttype, mode, align ) + wxDataViewRenderer( varianttype, mode, align ) { } @@ -816,9 +1020,9 @@ bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) ) { - if (m_bitmap.Ok()) + if (m_bitmap.IsOk()) dc->DrawBitmap( m_bitmap, cell.x, cell.y ); - else if (m_icon.Ok()) + else if (m_icon.IsOk()) dc->DrawIcon( m_icon, cell.x, cell.y ); return true; @@ -826,23 +1030,23 @@ bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state wxSize wxDataViewBitmapRenderer::GetSize() const { - if (m_bitmap.Ok()) + if (m_bitmap.IsOk()) return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() ); - else if (m_icon.Ok()) + else if (m_icon.IsOk()) return wxSize( m_icon.GetWidth(), m_icon.GetHeight() ); - return wxSize(16,16); + return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE); } // --------------------------------------------------------- // wxDataViewToggleRenderer // --------------------------------------------------------- -IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer) +IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer) wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype, wxDataViewCellMode mode, int align ) : - wxDataViewCustomRenderer( varianttype, mode, align ) + wxDataViewRenderer( varianttype, mode, align ) { m_toggle = false; } @@ -861,63 +1065,69 @@ 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; - if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE) + if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE || + GetEnabled() == false) flags |= wxCONTROL_DISABLED; + // Ensure that the check boxes always have at least the minimal required + // size, otherwise DrawCheckBox() doesn't really work well. If this size is + // greater than the cell size, the checkbox will be truncated but this is a + // lesser evil. + wxSize size = cell.GetSize(); + size.IncTo(GetSize()); + cell.SetSize(size); + 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) +bool wxDataViewToggleRenderer::WXActivateCell(const wxRect& WXUNUSED(cellRect), + wxDataViewModel *model, + const wxDataViewItem& item, + unsigned int col, + const wxMouseEvent *mouseEvent) { - bool value = !m_toggle; - wxVariant variant = value; - model->SetValue( variant, item, col); - model->ValueChanged( item, col ); + if ( mouseEvent ) + { + // Only react to clicks directly on the checkbox, not elsewhere in the + // same cell. + if ( !wxRect(GetSize()).Contains(mouseEvent->GetPosition()) ) + return false; + } + + model->ChangeValue(!m_toggle, item, col); return true; } 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); } // --------------------------------------------------------- // wxDataViewProgressRenderer // --------------------------------------------------------- -IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer) +IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewRenderer) wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label, const wxString &varianttype, wxDataViewCellMode mode, int align ) : - wxDataViewCustomRenderer( varianttype, mode, align ) + wxDataViewRenderer( varianttype, mode, align ) { m_label = label; m_value = 0; } -wxDataViewProgressRenderer::~wxDataViewProgressRenderer() -{ -} - bool wxDataViewProgressRenderer::SetValue( const wxVariant &value ) { m_value = (long) value; @@ -934,18 +1144,23 @@ bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const return true; } -bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) ) +bool +wxDataViewProgressRenderer::Render(wxRect rect, wxDC *dc, int WXUNUSED(state)) { - double pct = (double)m_value / 100.0; - wxRect bar = cell; - bar.width = (int)(cell.width * pct); - dc->SetPen( *wxTRANSPARENT_PEN ); - dc->SetBrush( *wxBLUE_BRUSH ); - dc->DrawRectangle( bar ); + // deflate the rect to leave a small border between bars in adjacent rows + wxRect bar = rect.Deflate(0, 1); dc->SetBrush( *wxTRANSPARENT_BRUSH ); dc->SetPen( *wxBLACK_PEN ); - dc->DrawRectangle( cell ); + dc->DrawRectangle( bar ); + + bar.width = (int)(bar.width * m_value / 100.); + dc->SetPen( *wxTRANSPARENT_PEN ); + + const wxDataViewItemAttr& attr = GetAttr(); + dc->SetBrush( attr.HasColour() ? wxBrush(attr.GetColour()) + : *wxBLUE_BRUSH ); + dc->DrawRectangle( bar ); return true; } @@ -956,192 +1171,105 @@ wxSize wxDataViewProgressRenderer::GetSize() const } // --------------------------------------------------------- -// wxDataViewDateRenderer +// wxDataViewIconTextRenderer // --------------------------------------------------------- -#define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN) +IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewRenderer) -#if wxUSE_DATE_RENDERER_POPUP +wxDataViewIconTextRenderer::wxDataViewIconTextRenderer( +const wxString &varianttype, wxDataViewCellMode mode, int align ) : + wxDataViewRenderer( varianttype, mode, align ) +{ + SetMode(mode); + SetAlignment(align); +} -class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow +bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value ) { -public: - wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value, - wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) : - wxPopupTransientWindow( parent, wxBORDER_SIMPLE ), - m_item( item ) - { - m_model = model; - m_col = col; - m_cal = new wxCalendarCtrl( this, wxID_ANY, *value ); - wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL ); - sizer->Add( m_cal, 1, wxGROW ); - SetSizer( sizer ); - sizer->Fit( this ); - } + m_value << value; + return true; +} - void OnCalendar( wxCalendarEvent &event ); +bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const +{ + return false; +} - wxCalendarCtrl *m_cal; - wxDataViewModel *m_model; - unsigned int m_col; - const wxDataViewItem & m_item; +bool wxDataViewIconTextRenderer::Render(wxRect rect, wxDC *dc, int state) +{ + int xoffset = 0; -protected: - virtual void OnDismiss() + const wxIcon& icon = m_value.GetIcon(); + if ( icon.IsOk() ) { + dc->DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2); + xoffset = icon.GetWidth()+4; } -private: - DECLARE_EVENT_TABLE() -}; + RenderText(m_value.GetText(), xoffset, rect, dc, state); -BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow) - EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar ) -END_EVENT_TABLE() + return true; +} -void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event ) -{ - wxDateTime date = event.GetDate(); - wxVariant value = date; - m_model->SetValue( value, m_item, m_col ); - m_model->ValueChanged( m_item, m_col ); - DismissAndNotify(); -} - -#endif // wxUSE_DATE_RENDERER_POPUP - -IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer) - -wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype, - wxDataViewCellMode mode, int align ) : - wxDataViewCustomRenderer( varianttype, mode, align ) -{ -} - -bool wxDataViewDateRenderer::SetValue( const wxVariant &value ) -{ - m_date = value.GetDateTime(); - - return true; -} - -bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const -{ - value = m_date; - return true; -} - -bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state ) +wxSize wxDataViewIconTextRenderer::GetSize() const { - wxString tmp = m_date.FormatDate(); - RenderText( tmp, 0, cell, dc, state ); - return true; -} + if (!m_value.GetText().empty()) + { + wxSize size = GetTextExtent(m_value.GetText()); -wxSize wxDataViewDateRenderer::GetSize() const -{ - const wxDataViewCtrl* view = GetView(); - wxString tmp = m_date.FormatDate(); - wxCoord x,y,d; - view->GetTextExtent( tmp, &x, &y, &d ); - return wxSize(x,y+d); + if (m_value.GetIcon().IsOk()) + size.x += m_value.GetIcon().GetWidth() + 4; + return size; + } + return wxSize(80,20); } -bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model, - const wxDataViewItem & item, unsigned int col ) +wxWindow* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value) { - wxVariant variant; - model->GetValue( variant, item, col ); - wxDateTime value = variant.GetDateTime(); + wxDataViewIconText iconText; + iconText << value; -#if wxUSE_DATE_RENDERER_POPUP - wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient( - GetOwner()->GetOwner()->GetParent(), &value, model, item, col); - wxPoint pos = wxGetMousePosition(); - popup->Move( pos ); - popup->Layout(); - popup->Popup( popup->m_cal ); -#else // !wxUSE_DATE_RENDERER_POPUP - wxMessageBox(value.Format()); -#endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP - return true; -} + wxString text = iconText.GetText(); -// --------------------------------------------------------- -// wxDataViewIconTextRenderer -// --------------------------------------------------------- + // 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; + } -IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer) + wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text, + wxPoint(labelRect.x,labelRect.y), + wxSize(labelRect.width,labelRect.height), + wxTE_PROCESS_ENTER ); -wxDataViewIconTextRenderer::wxDataViewIconTextRenderer( -const wxString &varianttype, wxDataViewCellMode mode, int align ) : - wxDataViewCustomRenderer( varianttype, mode, align ) -{ - SetMode(mode); - SetAlignment(align); -} + // select the text in the control an place the cursor at the end + ctrl->SetInsertionPointEnd(); + ctrl->SelectAll(); -wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer() -{ + return ctrl; } -bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value ) +bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant& value ) { - m_value << value; - return true; -} + wxTextCtrl *text = (wxTextCtrl*) editor; -bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const -{ - return false; -} + // The icon can't be edited so get its old value and reuse it. + wxVariant valueOld; + wxDataViewColumn* const col = GetOwner(); + GetView()->GetModel()->GetValue(valueOld, m_item, col->GetModelColumn()); -bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state ) -{ - int xoffset = 0; - const wxIcon &icon = m_value.GetIcon(); - if (icon.IsOk()) - { - dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2)); - xoffset = icon.GetWidth()+4; - } + wxDataViewIconText iconText; + iconText << valueOld; - RenderText( m_value.GetText(), xoffset, cell, dc, state ); + // But replace the text with the value entered by user. + iconText.SetText(text->GetValue()); + value << iconText; return true; } -wxSize wxDataViewIconTextRenderer::GetSize() const -{ - const wxDataViewCtrl *view = GetView(); - if (!m_value.GetText().empty()) - { - int x,y; - view->GetTextExtent( m_value.GetText(), &x, &y ); - - if (m_value.GetIcon().IsOk()) - x += m_value.GetIcon().GetWidth() + 4; - return wxSize( x, y ); - } - return wxSize(80,20); -} - -wxControl * -wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent), - wxRect WXUNUSED(labelRect), - const wxVariant& WXUNUSED(value)) -{ - return NULL; -} - -bool -wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor), - wxVariant& WXUNUSED(value)) -{ - return false; -} - //----------------------------------------------------------------------------- // wxDataViewDropTarget //----------------------------------------------------------------------------- @@ -1235,30 +1363,30 @@ public: } 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(); } @@ -1286,8 +1414,9 @@ 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( const wxDataViewModel * model, const wxDataViewItem & item, + wxDataViewTreeNode * node); int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 ) { @@ -1296,7 +1425,6 @@ int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 ) return -1; } - IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow) BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow) @@ -1304,6 +1432,7 @@ BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow) EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse) EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus) EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus) + EVT_CHAR_HOOK (wxDataViewMainWindow::OnCharHook) EVT_CHAR (wxDataViewMainWindow::OnChar) END_EVENT_TABLE() @@ -1315,14 +1444,17 @@ wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID i { SetOwner( parent ); + m_editorRenderer = NULL; + m_lastOnSame = false; m_renameTimer = new wxDataViewRenameTimer( this ); // TODO: user better initial values/nothing selected m_currentCol = NULL; - m_currentRow = 0; - - m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1 + m_currentColSetByKeyboard = false; + m_useCellFocus = false; + m_currentRow = (unsigned)-1; + m_lineHeight = GetDefaultRowHeight(); #if wxUSE_DRAG_AND_DROP m_dragCount = 0; @@ -1346,13 +1478,13 @@ 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. + m_root = wxDataViewTreeNode::CreateRootNode(); + + // Make m_count = -1 will cause the class recaculate the real displaying number of rows. m_count = -1; m_underMouse = NULL; UpdateDisplay(); @@ -1365,6 +1497,20 @@ wxDataViewMainWindow::~wxDataViewMainWindow() } +int wxDataViewMainWindow::GetDefaultRowHeight() const +{ +#ifdef __WXMSW__ + // We would like to use the same line height that Explorer uses. This is + // different from standard ListView control since Vista. + if ( wxGetWinVersion() >= wxWinVersion_Vista ) + return wxMax(16, GetCharHeight()) + 6; // 16 = mini icon height + else +#endif // __WXMSW__ + return wxMax(16, GetCharHeight()) + 1; // 16 = mini icon height +} + + + #if wxUSE_DRAG_AND_DROP bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format ) { @@ -1395,14 +1541,15 @@ void wxDataViewMainWindow::RemoveDropHint() } } -wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def ) +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())) + if ((row >= GetRowCount()) || (xx > GetEndOfLastCol())) { RemoveDropHint(); return wxDragNone; @@ -1410,13 +1557,14 @@ wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x, w wxDataViewItem item = GetItemByRow( row ); - wxDataViewModel *model = GetOwner()->GetModel(); + wxDataViewModel *model = GetModel(); - wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() ); + wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() ); event.SetEventObject( m_owner ); event.SetItem( item ); event.SetModel( model ); event.SetDataFormat( format ); + event.SetDropEffect( def ); if (!m_owner->HandleWindowEvent( event )) { RemoveDropHint(); @@ -1448,14 +1596,14 @@ bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y ) m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy ); unsigned int row = GetLineAt( yy ); - if ((row >= GetRowCount()) || (yy > GetEndOfLastCol())) + if ((row >= GetRowCount()) || (xx > GetEndOfLastCol())) return false; wxDataViewItem item = GetItemByRow( row ); - wxDataViewModel *model = GetOwner()->GetModel(); + wxDataViewModel *model = GetModel(); - wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() ); + wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() ); event.SetEventObject( m_owner ); event.SetItem( item ); event.SetModel( model ); @@ -1469,29 +1617,31 @@ bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y ) return true; } -wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def ) +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())) + if ((row >= GetRowCount()) || (xx > GetEndOfLastCol())) return wxDragNone; wxDataViewItem item = GetItemByRow( row ); - wxDataViewModel *model = GetOwner()->GetModel(); + wxDataViewModel *model = GetModel(); wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject(); - wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() ); + wxDataViewEvent event( wxEVT_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() ); + event.SetDropEffect( def ); if (!m_owner->HandleWindowEvent( event )) return wxDragNone; @@ -1521,14 +1671,12 @@ wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent ) } indent = 0; - if (!IsVirtualList()) + if (!IsList()) { 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; + indent = indent + m_lineHeight; + // try to use the m_lineHeight as the expander space } width -= indent; @@ -1541,14 +1689,8 @@ wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent ) 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); - } - + wxDataViewColumn * const + expander = GetExpanderColumnOrFirstOne(GetOwner()); int x = 0; for (col = 0; col < cols; col++) @@ -1564,49 +1706,15 @@ wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent ) if (column == expander) width -= indent; - wxVariant value; wxDataViewItem item = GetItemByRow( row ); - model->GetValue( value, item, column->GetModelColumn()); - cell->SetValue( value ); + cell->PrepareForItem(model, item, column->GetModelColumn()); - if (cell->GetWantsAttr()) - { - wxDataViewItemAttr attr; - bool ret = model->GetAttr( item, column->GetModelColumn(), attr ); - if (ret) - cell->SetAttr( attr ); - cell->SetHasAttr( ret ); - } + wxRect item_rect(x, 0, width, height); + item_rect.Deflate(PADDING_RIGHTLEFT, 0); - 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(); + // dc.SetClippingRegion( item_rect ); + cell->WXCallRender(item_rect, &dc, 0); + // dc.DestroyClippingRegion(); x += width; } @@ -1617,18 +1725,57 @@ wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent ) #endif // wxUSE_DRAG_AND_DROP +// Draw focus rect for individual cell. Unlike native focus rect, we render +// this in foreground text color (typically white) to enhance contrast and +// make it visible. +static void DrawSelectedCellFocusRect(wxDC& dc, const wxRect& rect) +{ + // (This code is based on wxRendererGeneric::DrawFocusRect and modified.) + + // draw the pixels manually because the "dots" in wxPen with wxDOT style + // may be short traits and not really dots + // + // note that to behave in the same manner as DrawRect(), we must exclude + // the bottom and right borders from the rectangle + wxCoord x1 = rect.GetLeft(), + y1 = rect.GetTop(), + x2 = rect.GetRight(), + y2 = rect.GetBottom(); + + wxDCPenChanger pen(dc, wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT)); + + wxCoord z; + for ( z = x1 + 1; z < x2; z += 2 ) + dc.DrawPoint(z, rect.GetTop()); + + wxCoord shift = z == x2 ? 0 : 1; + for ( z = y1 + shift; z < y2; z += 2 ) + dc.DrawPoint(x2, z); + + shift = z == y2 ? 0 : 1; + for ( z = x2 - shift; z > x1; z -= 2 ) + dc.DrawPoint(z, y2); + + shift = z == x1 ? 0 : 1; + for ( z = y2 - shift; z > y1; z -= 2 ) + dc.DrawPoint(x1, z); +} + + void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) { - wxDataViewModel *model = GetOwner()->GetModel(); + wxDataViewModel *model = 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 ); -#endif + dc.DrawRectangle(GetClientSize()); + + if ( IsEmpty() ) + { + // No items to draw. + return; + } // prepare the DC GetOwner()->PrepareDC( dc ); @@ -1644,8 +1791,22 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) (int)(GetRowCount( ) - item_start)); unsigned int item_last = item_start + item_count; + // Send the event to wxDataViewCtrl itself. + wxWindow * const parent = GetParent(); + wxDataViewEvent cache_event(wxEVT_DATAVIEW_CACHE_HINT, parent->GetId()); + cache_event.SetEventObject(parent); + cache_event.SetCache(item_start, item_last - 1); + parent->ProcessWindowEvent(cache_event); + // compute which columns needs to be redrawn unsigned int cols = GetOwner()->GetColumnCount(); + if ( !cols ) + { + // we assume that we have at least one column below and painting an + // empty control is unnecessary anyhow + return; + } + unsigned int col_start = 0; unsigned int x_start; for (x_start = 0; col_start < cols; col_start++) @@ -1675,13 +1836,44 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) x_last += col->GetWidth(); } + // Draw background of alternate rows specially if required + if ( m_owner->HasFlag(wxDV_ROW_LINES) ) + { + wxColour altRowColour = m_owner->m_alternateRowColour; + if ( !altRowColour.IsOk() ) + { + // Determine the alternate rows colour automatically from the + // background colour. + const wxColour bgColour = m_owner->GetBackgroundColour(); + + // Depending on the background, alternate row color + // will be 3% more dark or 50% brighter. + int alpha = bgColour.GetRGB() > 0x808080 ? 97 : 150; + altRowColour = bgColour.ChangeLightness(alpha); + } + + dc.SetPen(*wxTRANSPARENT_PEN); + dc.SetBrush(wxBrush(altRowColour)); + + for (unsigned int item = item_start; item < item_last; item++) + { + if ( item % 2 ) + { + dc.DrawRectangle(x_start, + GetLineStart(item), + GetClientSize().GetWidth(), + GetLineHeight(item)); + } + } + } + // Draw horizontal rules if required if ( m_owner->HasFlag(wxDV_HORIZ_RULES) ) { dc.SetPen(m_penRule); dc.SetBrush(*wxTRANSPARENT_BRUSH); - for (unsigned int i = item_start; i <= item_last+1; i++) + for (unsigned int i = item_start; i <= item_last; i++) { int y = GetLineStart( i ); dc.DrawLine(x_start, y, x_last, y); @@ -1694,44 +1886,120 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) dc.SetPen(m_penRule); dc.SetBrush(*wxTRANSPARENT_BRUSH); - int x = x_start; + // NB: Vertical rules are drawn in the last pixel of a column so that + // they align perfectly with native MSW wxHeaderCtrl as well as for + // consistency with MSW native list control. There's no vertical + // rule at the most-left side of the control. + + int x = x_start - 1; for (unsigned int i = col_start; i < col_last; i++) { wxDataViewColumn *col = GetOwner()->GetColumnAt(i); if (col->IsHidden()) continue; // skip it + x += col->GetWidth(); + dc.DrawLine(x, GetLineStart( item_start ), x, GetLineStart( item_last ) ); - - x += col->GetWidth(); } - - // Draw last vertical rule - dc.DrawLine(x, GetLineStart( item_start ), - x, GetLineStart( item_last ) ); } // redraw the background for the items which are selected/current for (unsigned int item = item_start; item < item_last; item++) { bool selected = m_selection.Index( item ) != wxNOT_FOUND; + if (selected || item == m_currentRow) { - int flags = selected ? (int)wxCONTROL_SELECTED : 0; - if (item == m_currentRow) - flags |= wxCONTROL_CURRENT; - if (m_hasFocus) - flags |= wxCONTROL_FOCUSED; - - wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) ); - wxRendererNative::Get().DrawItemSelectionRect - ( - this, - dc, - rect, - flags - ); + wxRect rect( x_start, GetLineStart( item ), + x_last - x_start, GetLineHeight( item ) ); + + // draw selection and whole-item focus: + if ( selected ) + { + int flags = wxCONTROL_SELECTED; + if (m_hasFocus) + flags |= wxCONTROL_FOCUSED; + + wxRendererNative::Get().DrawItemSelectionRect + ( + this, + dc, + rect, + flags + ); + } + + // draw keyboard focus rect if applicable + if ( item == m_currentRow && m_hasFocus ) + { + bool renderColumnFocus = false; + + if ( m_useCellFocus && m_currentCol && m_currentColSetByKeyboard ) + { + renderColumnFocus = true; + + // If this is container node without columns, render full-row focus: + if ( !IsList() ) + { + wxDataViewTreeNode *node = GetTreeNodeByRow(item); + if ( node->HasChildren() && !model->HasContainerColumns(node->GetItem()) ) + renderColumnFocus = false; + } + } + + if ( renderColumnFocus ) + { + for ( unsigned int i = col_start; i < col_last; i++ ) + { + wxDataViewColumn *col = GetOwner()->GetColumnAt(i); + if ( col->IsHidden() ) + continue; + + rect.width = col->GetWidth(); + + if ( col == m_currentCol ) + { + // make the rect more visible by adding a small + // margin around it: + rect.Deflate(1, 1); + + if ( selected ) + { + // DrawFocusRect() uses XOR and is all but + // invisible against dark-blue background. Use + // the same color used for selected text. + DrawSelectedCellFocusRect(dc, rect); + } + else + { + wxRendererNative::Get().DrawFocusRect + ( + this, + dc, + rect, + 0 + ); + } + break; + } + + rect.x += rect.width; + } + } + else + { + // render focus rectangle for the whole row + wxRendererNative::Get().DrawFocusRect + ( + this, + dc, + rect, + selected ? (int)wxCONTROL_SELECTED : 0 + ); + } + } } } @@ -1739,38 +2007,31 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) if (m_dropHint) { wxRect rect( x_start, GetLineStart( m_dropHintLine ), - x_last, GetLineHeight( m_dropHintLine ) ); + x_last - x_start, 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-RTL: last column for RTL support - expander = GetOwner()->GetColumnAt( 0 ); - GetOwner()->SetExpanderColumn(expander); - } + wxDataViewColumn * const + expander = GetExpanderColumnOrFirstOne(GetOwner()); // redraw all cells for all rows which must be repainted and all columns wxRect cell_rect; cell_rect.x = x_start; for (unsigned int i = col_start; i < col_last; i++) { - wxDataViewColumn *col = GetOwner()->GetColumnAt( i ); wxDataViewRenderer *cell = col->GetRenderer(); cell_rect.width = col->GetWidth(); - if (col->IsHidden()) + if ( col->IsHidden() || cell_rect.width <= 0 ) continue; // skip it! for (unsigned int item = item_start; item < item_last; item++) { // get the cell value and set it into the renderer - wxVariant value; wxDataViewTreeNode *node = NULL; wxDataViewItem dataitem; @@ -1782,104 +2043,83 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) dataitem = node->GetItem(); - if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem)) + // Skip all columns of "container" rows except the expander + // column itself unless HasContainerColumns() overrides this. + if ( col != expander && + model->IsContainer(dataitem) && + !model->HasContainerColumns(dataitem) ) continue; } else { - dataitem = wxDataViewItem( wxUIntToPtr(item) ); + dataitem = wxDataViewItem( wxUIntToPtr(item+1) ); } - 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 ); - } + cell->PrepareForItem(model, dataitem, col->GetModelColumn()); // 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 background + bool selected = m_selection.Index( item ) != wxNOT_FOUND; + if ( !selected ) + DrawCellBackground( cell, dc, cell_rect ); - //Draw the expander here. + // deal with the expander int indent = 0; - if ((!IsVirtualList()) && (col == expander)) + if ((!IsList()) && (col == expander)) { - indent = node->GetIndentLevel(); - - //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 - dc.SetPen( m_penExpander ); - dc.SetBrush( wxNullBrush ); - if( node->HasChildren() ) + // Calculate the indent first + indent = GetOwner()->GetIndent() * node->GetIndentLevel(); + + // we reserve m_lineHeight of horizontal space for the expander + // but leave EXPANDER_MARGIN around the expander itself + int exp_x = cell_rect.x + indent + EXPANDER_MARGIN; + + indent += m_lineHeight; + + // draw expander if needed and visible + if ( node->HasChildren() && exp_x < cell_rect.GetRight() ) { - wxRect rect( expander_x , expander_y, expander_width, expander_width); + dc.SetPen( m_penExpander ); + dc.SetBrush( wxNullBrush ); + + int exp_size = m_lineHeight - 2*EXPANDER_MARGIN; + int exp_y = cell_rect.y + (cell_rect.height - exp_size)/2 + + EXPANDER_MARGIN - EXPANDER_OFFSET; + + const wxRect rect(exp_x, exp_y, exp_size, exp_size); + int flag = 0; - if (m_underMouse == node) - { + 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); + if ( node->IsOpen() ) + flag |= wxCONTROL_EXPANDED; + + // ensure that we don't overflow the cell (which might + // happen if the column is very narrow) + wxDCClipper clip(dc, cell_rect); + + wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag); } - //force the expander column to left-center align + + // force the expander column to left-center align cell->SetAlignment( wxALIGN_CENTER_VERTICAL ); } - if (node && !node->HasChildren()) - { - // 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); - } - // 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; - - wxRect item_rect(cell_rect.GetTopLeft(), size); - int align = cell->CalculateAlignment(); - - // horizontal alignment: - item_rect.x = cell_rect.x; - if (align & wxALIGN_CENTER_HORIZONTAL) - item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2); - else if (align & wxALIGN_RIGHT) - item_rect.x = cell_rect.x + cell_rect.width - size.x; - //else: wxALIGN_LEFT is the default - - // vertical alignment: - item_rect.y = cell_rect.y; - if (align & wxALIGN_CENTER_VERTICAL) - item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2); - else if (align & wxALIGN_BOTTOM) - item_rect.y = cell_rect.y + cell_rect.height - size.y; - //else: wxALIGN_TOP is the default - - // add padding - item_rect.x += PADDING_RIGHTLEFT; - item_rect.width = size.x - 2 * PADDING_RIGHTLEFT; - - //Here we add the tree indent + wxRect item_rect = cell_rect; + item_rect.Deflate(PADDING_RIGHTLEFT, 0); + + // account for the tree indent (harmless if we're not indented) item_rect.x += indent; + item_rect.width -= indent; + + if ( item_rect.width <= 0 ) + continue; int state = 0; - if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND)) + if (m_hasFocus && selected) state |= wxDATAVIEW_CELL_SELECTED; // TODO: it would be much more efficient to create a clipping @@ -1889,15 +2129,37 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) // 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(); + wxDCClipper clip(dc, item_rect); + + cell->WXCallRender(item_rect, &dc, state); } cell_rect.x += cell_rect.width; } } + +void wxDataViewMainWindow::DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect ) +{ + wxRect rectBg( rect ); + + // don't overlap the horizontal rules + if ( m_owner->HasFlag(wxDV_HORIZ_RULES) ) + { + rectBg.x++; + rectBg.width--; + } + + // don't overlap the vertical rules + if ( m_owner->HasFlag(wxDV_VERT_RULES) ) + { + rectBg.y++; + rectBg.height--; + } + + cell->RenderBackground(&dc, rectBg); +} + void wxDataViewMainWindow::OnRenameTimer() { // We have to call this here because changes may just have @@ -1909,218 +2171,299 @@ void wxDataViewMainWindow::OnRenameTimer() wxSafeYield(); } - int xpos = 0; - unsigned int cols = GetOwner()->GetColumnCount(); - unsigned int i; - for (i = 0; i < cols; i++) - { - wxDataViewColumn *c = GetOwner()->GetColumnAt( i ); - if (c->IsHidden()) - continue; // skip it! + wxDataViewItem item = GetItemByRow( m_currentRow ); - if (c == m_currentCol) - break; - xpos += c->GetWidth(); - } + StartEditing( item, m_currentCol ); +} - // we have to take an expander column into account and compute its indentation - // to get the editor at the correct x position where the actual text is - int indent = 0; - if (!IsVirtualList() && GetOwner()->GetExpanderColumn() == m_currentCol) - { - wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow); - indent = GetOwner()->GetIndent() * node->GetIndentLevel(); - indent = indent + m_lineHeight; +void +wxDataViewMainWindow::StartEditing(const wxDataViewItem& item, + const wxDataViewColumn* col) +{ + wxDataViewRenderer* renderer = col->GetRenderer(); + if ( !IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) ) + return; - if(!node->HasChildren()) - delete node; + const wxRect itemRect = GetItemRect(item, col); + if ( renderer->StartEditing(item, itemRect) ) + { + // Save the renderer to be able to finish/cancel editing it later and + // save the control to be able to detect if we're still editing it. + m_editorRenderer = renderer; + m_editorCtrl = renderer->GetEditorCtrl(); } - - wxRect labelRect( xpos + indent, - GetLineStart( m_currentRow ), - m_currentCol->GetWidth() - indent, - GetLineHeight( m_currentRow ) ); - - GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y, - &labelRect.x, &labelRect.y); - - wxDataViewItem item = GetItemByRow( m_currentRow ); - m_currentCol->GetRenderer()->StartEditing( item, labelRect ); } -//------------------------------------------------------------------ +//----------------------------------------------------------------------------- // Helper class for do operation on the tree node -//------------------------------------------------------------------ +//----------------------------------------------------------------------------- class DoJob { public: DoJob() { } virtual ~DoJob() { } - //The return value control how the tree-walker tranverse the tree - // 0: Job done, stop tranverse and return - // 1: Ignore the current node's subtree and continue - // 2: Job not done, continue - enum { OK = 0 , IGR = 1, CONT = 2 }; + // The return value control how the tree-walker tranverse the tree + enum + { + DONE, // Job done, stop traversing and return + SKIP_SUBTREE, // Ignore the current node's subtree and continue + CONTINUE // Job not done, continue + }; + virtual int operator() ( wxDataViewTreeNode * node ) = 0; - virtual int operator() ( void * n ) = 0; }; bool Walker( wxDataViewTreeNode * node, DoJob & func ) { - if( node==NULL ) - return false; + wxCHECK_MSG( node, false, "can't walk NULL node" ); switch( func( node ) ) { - case DoJob::OK : + case DoJob::DONE: return true; - case DoJob::IGR: + case DoJob::SKIP_SUBTREE: return false; - case DoJob::CONT: - default: - ; + case DoJob::CONTINUE: + break; } - wxDataViewTreeNodes nodes = node->GetNodes(); - wxDataViewTreeLeaves leaves = node->GetChildren(); - - int len_nodes = nodes.GetCount(); - int len = leaves.GetCount(); - int i = 0, nodes_i = 0; - - for(; i < len; i ++ ) + if ( node->HasChildren() ) { - void * n = leaves[i]; - if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() ) - { - wxDataViewTreeNode * nd = nodes[nodes_i]; - nodes_i++; + const wxDataViewTreeNodes& nodes = node->GetChildNodes(); - if( Walker( nd , func ) ) + for ( wxDataViewTreeNodes::const_iterator i = nodes.begin(); + i != nodes.end(); + ++i ) + { + if ( Walker(*i, func) ) return true; - } - else - switch( func( n ) ) - { - case DoJob::OK : - return true; - case DoJob::IGR: - continue; - case DoJob::CONT: - default: - ; - } } + return false; } bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item) { - if (!m_root) + if (IsVirtualList()) { - m_count++; - UpdateDisplay(); - return true; + wxDataViewVirtualListModel *list_model = + (wxDataViewVirtualListModel*) GetModel(); + m_count = list_model->GetCount(); } + else + { + SortPrepare(); - SortPrepare(); + wxDataViewTreeNode *parentNode = FindNode(parent); - wxDataViewTreeNode * node; - node = FindNode(parent); + if ( !parentNode ) + return false; - if( node == NULL ) - return false; + wxDataViewItemArray modelSiblings; + GetModel()->GetChildren(parent, modelSiblings); + const int modelSiblingsSize = modelSiblings.size(); - node->SetHasChildren( true ); + int posInModel = modelSiblings.Index(item, /*fromEnd=*/true); + wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" ); - if( g_model->IsContainer( item ) ) - { - wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node ); - newnode->SetItem(item); - newnode->SetHasChildren( true ); - node->AddNode( newnode); - } - else - node->AddLeaf( item.GetID() ); + wxDataViewTreeNode *itemNode = new wxDataViewTreeNode(parentNode, item); + itemNode->SetHasChildren(GetModel()->IsContainer(item)); - node->ChangeSubTreeCount(1); + parentNode->SetHasChildren(true); - m_count = -1; + const wxDataViewTreeNodes& nodeSiblings = parentNode->GetChildNodes(); + const int nodeSiblingsSize = nodeSiblings.size(); + + int nodePos = 0; + + if ( posInModel == modelSiblingsSize - 1 ) + { + nodePos = nodeSiblingsSize; + } + else if ( modelSiblingsSize == nodeSiblingsSize + 1 ) + { + // This is the simple case when our node tree already matches the + // model and only this one item is missing. + nodePos = posInModel; + } + else + { + // It's possible that a larger discrepancy between the model and + // our realization exists. This can happen e.g. when adding a bunch + // of items to the model and then calling ItemsAdded() just once + // afterwards. In this case, we must find the right position by + // looking at sibling items. + + // append to the end if we won't find a better position: + nodePos = nodeSiblingsSize; + + for ( int nextItemPos = posInModel + 1; + nextItemPos < modelSiblingsSize; + nextItemPos++ ) + { + int nextNodePos = parentNode->FindChildByItem(modelSiblings[nextItemPos]); + if ( nextNodePos != wxNOT_FOUND ) + { + nodePos = nextNodePos; + break; + } + } + } + + parentNode->ChangeSubTreeCount(+1); + parentNode->InsertChild(itemNode, nodePos); + + m_count = -1; + } + + GetOwner()->InvalidateColBestWidths(); UpdateDisplay(); return true; } -static void DestroyTreeHelper( wxDataViewTreeNode * node); - bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent, - const wxDataViewItem& item) + const wxDataViewItem& item) { - if (!m_root) + if (IsVirtualList()) { - m_count--; - if( m_currentRow > GetRowCount() ) - m_currentRow = m_count - 1; + wxDataViewVirtualListModel *list_model = + (wxDataViewVirtualListModel*) GetModel(); + m_count = list_model->GetCount(); - m_selection.Empty(); - - UpdateDisplay(); + if ( !m_selection.empty() ) + { + const int row = GetRowByItem(item); - return true; - } + int rowIndexInSelection = wxNOT_FOUND; - wxDataViewTreeNode * node = FindNode(parent); + const size_t selCount = m_selection.size(); + for ( size_t i = 0; i < selCount; i++ ) + { + if ( m_selection[i] == (unsigned)row ) + rowIndexInSelection = i; + else if ( m_selection[i] > (unsigned)row ) + m_selection[i]--; + } - wxCHECK_MSG( node != NULL, false, "item not found" ); - wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" ); + if ( rowIndexInSelection != wxNOT_FOUND ) + m_selection.RemoveAt(rowIndexInSelection); + } - 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 ++) + else // general case { - if (nds[i]->GetItem() == item) + wxDataViewTreeNode *parentNode = FindNode(parent); + + // Notice that it is possible that the item being deleted is not in the + // tree at all, for example we could be deleting a never shown (because + // collapsed) item in a tree model. So it's not an error if we don't know + // about this item, just return without doing anything then. + if ( !parentNode ) + return true; + + wxCHECK_MSG( parentNode->HasChildren(), false, "parent node doesn't have children?" ); + const wxDataViewTreeNodes& parentsChildren = parentNode->GetChildNodes(); + + // We can't use FindNode() to find 'item', because it was already + // removed from the model by the time ItemDeleted() is called, so we + // have to do it manually. We keep track of its position as well for + // later use. + int itemPosInNode = 0; + wxDataViewTreeNode *itemNode = NULL; + for ( wxDataViewTreeNodes::const_iterator i = parentsChildren.begin(); + i != parentsChildren.end(); + ++i, ++itemPosInNode ) { - isContainer = true; - break; + if( (*i)->GetItem() == item ) + { + itemNode = *i; + break; + } } - } - if( isContainer ) - { - wxDataViewTreeNode * n = NULL; - wxDataViewTreeNodes nodes = node->GetNodes(); - int len = nodes.GetCount(); - for( int i = 0; i < len; i ++) + + // If the parent wasn't expanded, it's possible that we didn't have a + // node corresponding to 'item' and so there's nothing left to do. + if ( !itemNode ) + { + // If this was the last child to be removed, it's possible the parent + // node became a leaf. Let's ask the model about it. + if ( parentNode->GetChildNodes().empty() ) + parentNode->SetHasChildren(GetModel()->IsContainer(parent)); + + return true; + } + + // Delete the item from wxDataViewTreeNode representation: + const int itemsDeleted = 1 + itemNode->GetSubTreeCount(); + + parentNode->RemoveChild(itemNode); + delete itemNode; + parentNode->ChangeSubTreeCount(-itemsDeleted); + + // Make the row number invalid and get a new valid one when user call GetRowCount + m_count = -1; + + // If this was the last child to be removed, it's possible the parent + // node became a leaf. Let's ask the model about it. + if ( parentNode->GetChildNodes().empty() ) { - if( nodes[i]->GetItem() == item ) + bool isContainer = GetModel()->IsContainer(parent); + parentNode->SetHasChildren(isContainer); + if ( isContainer ) { - n = nodes[i]; - break; + // If it's still a container, make sure we show "+" icon for it + // and not "-" one as there is nothing to collapse any more. + if ( parentNode->IsOpen() ) + parentNode->ToggleOpen(); } } - wxCHECK_MSG( n != NULL, false, "item not found" ); + // Update selection by removing 'item' and its entire children tree from the selection. + if ( !m_selection.empty() ) + { + // we can't call GetRowByItem() on 'item', as it's already deleted, so compute it from + // the parent ('parentNode') and position in its list of children + int itemRow; + if ( itemPosInNode == 0 ) + { + // 1st child, row number is that of the parent parentNode + 1 + itemRow = GetRowByItem(parentNode->GetItem()) + 1; + } + else + { + // row number is that of the sibling above 'item' + its subtree if any + 1 + const wxDataViewTreeNode *siblingNode = parentNode->GetChildNodes()[itemPosInNode - 1]; + + itemRow = GetRowByItem(siblingNode->GetItem()) + + siblingNode->GetSubTreeCount() + + 1; + } + + wxDataViewSelection newsel(wxDataViewSelectionCmp); + + const size_t numSelections = m_selection.size(); + for ( size_t i = 0; i < numSelections; ++i ) + { + const int s = m_selection[i]; + if ( s < itemRow ) + newsel.push_back(s); + else if ( s >= itemRow + itemsDeleted ) + newsel.push_back(s - itemsDeleted); + // else: deleted item, remove from selection + } - node->GetNodes().Remove( n ); - sub -= n->GetSubTreeCount(); - ::DestroyTreeHelper(n); + m_selection = newsel; + } } - //Make the row number invalid and get a new valid one when user call GetRowCount - m_count = -1; - node->ChangeSubTreeCount(sub); - //Change the current row to the last row if the current exceed the max row number - if( m_currentRow > GetRowCount() ) - m_currentRow = m_count - 1; + // Change the current row to the last row if the current exceed the max row number + if ( m_currentRow >= GetRowCount() ) + ChangeCurrentRow(m_count - 1); + GetOwner()->InvalidateColBestWidths(); UpdateDisplay(); return true; @@ -2131,19 +2474,35 @@ bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item) SortPrepare(); g_model->Resort(); - //Send event + GetOwner()->InvalidateColBestWidths(); + + // Send event wxWindow *parent = GetParent(); - wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId()); + wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId()); le.SetEventObject(parent); - le.SetModel(GetOwner()->GetModel()); + le.SetModel(GetModel()); le.SetItem(item); - parent->GetEventHandler()->ProcessEvent(le); + parent->ProcessWindowEvent(le); return true; } -bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col ) +bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int model_column ) { + int view_column = -1; + unsigned int n_col = m_owner->GetColumnCount(); + for (unsigned i = 0; i < n_col; i++) + { + wxDataViewColumn *column = m_owner->GetColumn( i ); + if (column->GetModelColumn() == model_column) + { + view_column = (int) i; + break; + } + } + if (view_column == -1) + return false; + // NOTE: to be valid, we cannot use e.g. INT_MAX - 1 /*#define MAX_VIRTUAL_WIDTH 100000 @@ -2156,15 +2515,17 @@ bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned i SortPrepare(); g_model->Resort(); - //Send event + GetOwner()->InvalidateColBestWidth(view_column); + + // Send event wxWindow *parent = GetParent(); - wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId()); + wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId()); le.SetEventObject(parent); - le.SetModel(GetOwner()->GetModel()); + le.SetModel(GetModel()); le.SetItem(item); - le.SetColumn(col); - le.SetDataViewColumn(GetOwner()->GetColumn(col)); - parent->GetEventHandler()->ProcessEvent(le); + le.SetColumn(view_column); + le.SetDataViewColumn(GetOwner()->GetColumn(view_column)); + parent->ProcessWindowEvent(le); return true; } @@ -2172,10 +2533,20 @@ bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned i bool wxDataViewMainWindow::Cleared() { DestroyTree(); + m_selection.Clear(); + m_currentRow = (unsigned)-1; - SortPrepare(); - BuildTree( GetOwner()->GetModel() ); + if (GetModel()) + { + SortPrepare(); + BuildTree( GetModel() ); + } + else + { + m_count = 0; + } + GetOwner()->InvalidateColBestWidths(); UpdateDisplay(); return true; @@ -2184,6 +2555,7 @@ bool wxDataViewMainWindow::Cleared() void wxDataViewMainWindow::UpdateDisplay() { m_dirty = true; + m_underMouse = NULL; } void wxDataViewMainWindow::OnInternalIdle() @@ -2199,7 +2571,7 @@ void wxDataViewMainWindow::OnInternalIdle() void wxDataViewMainWindow::RecalculateDisplay() { - wxDataViewModel *model = GetOwner()->GetModel(); + wxDataViewModel *model = GetModel(); if (!model) { Refresh(); @@ -2217,6 +2589,8 @@ void wxDataViewMainWindow::RecalculateDisplay() void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect ) { + m_underMouse = NULL; + wxWindow::ScrollWindow( dx, dy, rect ); if (GetOwner()->m_headerArea) @@ -2225,10 +2599,12 @@ void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect ) void wxDataViewMainWindow::ScrollTo( int rows, int column ) { + m_underMouse = NULL; + int x, y; m_owner->GetScrollPixelsPerUnit( &x, &y ); int sy = GetLineStart( rows )/y; - int sx = 0; + int sx = -1; if( column != -1 ) { wxRect rect = GetClientRect(); @@ -2296,18 +2672,20 @@ unsigned int wxDataViewMainWindow::GetLastVisibleRow() m_owner->CalcUnscrolledPosition( 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 ); } -unsigned int wxDataViewMainWindow::GetRowCount() +unsigned int wxDataViewMainWindow::GetRowCount() const { if ( m_count == -1 ) { - m_count = RecalculateCount(); - UpdateDisplay(); + wxDataViewMainWindow* const + self = const_cast(this); + self->m_count = RecalculateCount(); + self->UpdateDisplay(); } return m_count; } @@ -2420,13 +2798,13 @@ bool wxDataViewMainWindow::IsRowSelected( unsigned int row ) void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item) { wxWindow *parent = GetParent(); - wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId()); + wxDataViewEvent le(wxEVT_DATAVIEW_SELECTION_CHANGED, parent->GetId()); le.SetEventObject(parent); - le.SetModel(GetOwner()->GetModel()); + le.SetModel(GetModel()); le.SetItem( item ); - parent->GetEventHandler()->ProcessEvent(le); + parent->ProcessWindowEvent(le); } void wxDataViewMainWindow::RefreshRow( unsigned int row ) @@ -2472,58 +2850,6 @@ void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow ) Refresh( true, &rect ); } -void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event) -{ - wxCHECK_RET( newCurrent < GetRowCount(), - _T("invalid item index in OnArrowChar()") ); - - // if there is no selection, we cannot move it anywhere - if (!HasCurrentRow()) - return; - - unsigned int oldCurrent = m_currentRow; - - // in single selection we just ignore Shift as we can't select several - // items anyhow - if ( event.ShiftDown() && !IsSingleSel() ) - { - RefreshRow( oldCurrent ); - - ChangeCurrentRow( newCurrent ); - - // select all the items between the old and the new one - if ( oldCurrent > newCurrent ) - { - newCurrent = oldCurrent; - oldCurrent = m_currentRow; - } - - SelectRows( oldCurrent, newCurrent, true ); - if (oldCurrent!=newCurrent) - SendSelectionChangedEvent(GetItemByRow(m_selection[0])); - } - else // !shift - { - RefreshRow( oldCurrent ); - - // all previously selected items are unselected unless ctrl is held - if ( !event.ControlDown() ) - SelectAllRows(false); - - ChangeCurrentRow( newCurrent ); - - if ( !event.ControlDown() ) - { - SelectRow( m_currentRow, true ); - SendSelectionChangedEvent(GetItemByRow(m_currentRow)); - } - else - RefreshRow( m_currentRow ); - } - - GetOwner()->EnsureVisible( m_currentRow, -1 ); -} - wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const { wxRect rect; @@ -2537,7 +2863,7 @@ wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const int wxDataViewMainWindow::GetLineStart( unsigned int row ) const { - const wxDataViewModel *model = GetOwner()->GetModel(); + const wxDataViewModel *model = GetModel(); if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) { @@ -2553,13 +2879,6 @@ int wxDataViewMainWindow::GetLineStart( unsigned int row ) const wxDataViewItem item = node->GetItem(); - if (node && !node->HasChildren()) - { - // 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); - } - unsigned int cols = GetOwner()->GetColumnCount(); unsigned int col; int height = m_lineHeight; @@ -2569,18 +2888,18 @@ 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->PrepareForItem(model, item, column->GetModelColumn()); + height = wxMax( height, renderer->GetSize().y ); } - start += height; } @@ -2594,7 +2913,7 @@ int wxDataViewMainWindow::GetLineStart( unsigned int row ) const int wxDataViewMainWindow::GetLineAt( unsigned int y ) const { - const wxDataViewModel *model = GetOwner()->GetModel(); + const wxDataViewModel *model = GetModel(); // check for the easy case first if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) ) @@ -2605,53 +2924,47 @@ 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); - } - - wxDataViewItem item = node->GetItem(); - - if (node && !node->HasChildren()) + const wxDataViewTreeNode* node = GetTreeNodeByRow(row); + if (!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 - wxDELETE(node); + // not really correct... + return row + ((y-yy) / m_lineHeight); } - unsigned int cols = GetOwner()->GetColumnCount(); - unsigned int col; - int height = m_lineHeight; - for (col = 0; col < cols; col++) - { + wxDataViewItem item = node->GetItem(); + + 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->PrepareForItem(model, item, column->GetModelColumn()); + height = wxMax( height, renderer->GetSize().y ); - } + } - yy += height; - if (y < yy) - return row; + yy += height; + if (y < yy) + return row; - row++; + row++; } } int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const { - const wxDataViewModel *model = GetOwner()->GetModel(); + const wxDataViewModel *model = GetModel(); if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) { @@ -2663,13 +2976,6 @@ int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const wxDataViewItem item = node->GetItem(); - if (node && !node->HasChildren()) - { - // 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); - } - int height = m_lineHeight; unsigned int cols = GetOwner()->GetColumnCount(); @@ -2680,14 +2986,15 @@ 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->PrepareForItem(model, item, column->GetModelColumn()); + height = wxMax( height, renderer->GetSize().y ); } @@ -2699,70 +3006,6 @@ 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() { } - - virtual int operator() ( wxDataViewTreeNode * node ) - { - current ++; - if( current == static_cast(row)) - { - ret = node->GetItem(); - return DoJob::OK; - } - - if( node->GetSubTreeCount() + current < static_cast(row) ) - { - current += node->GetSubTreeCount(); - return DoJob::IGR; - } - 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( node->GetNodes().GetCount() == 0) - { - int index = static_cast(row) - current - 1; - ret = node->GetChildren().Item( index ); - return DoJob::OK; - } - return DoJob::CONT; - } - } - - virtual int operator() ( void * n ) - { - current ++; - if( current == static_cast(row)) - { - ret = wxDataViewItem( n ); - return DoJob::OK; - } - return DoJob::CONT; - } - wxDataViewItem GetResult(){ return ret; } -private: - unsigned int row; - int current; - wxDataViewItem ret; -}; - -wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const -{ - if (!m_root) - { - return wxDataViewItem( wxUIntToPtr(row) ); - } - else - { - RowToItemJob job( row, -2 ); - Walker( m_root , job ); - return job.GetResult(); - } -} class RowToTreeNodeJob: public DoJob { @@ -2774,7 +3017,6 @@ public: ret = NULL; parent = node; } - virtual ~RowToTreeNodeJob(){ } virtual int operator() ( wxDataViewTreeNode * node ) { @@ -2782,48 +3024,36 @@ public: if( current == static_cast(row)) { ret = node; - return DoJob::OK; + return DoJob::DONE; } if( node->GetSubTreeCount() + current < static_cast(row) ) { current += node->GetSubTreeCount(); - return DoJob::IGR; + return DoJob::SKIP_SUBTREE; } 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( node->GetNodes().GetCount() == 0) + + // If the current node has only leaf children, we can find the + // desired node directly. This can speed up finding the node + // in some cases, and will have a very good effect for list views. + if ( node->HasChildren() && + (int)node->GetChildNodes().size() == node->GetSubTreeCount() ) { - int index = static_cast(row) - current - 1; - void * n = node->GetChildren().Item( index ); - ret = new wxDataViewTreeNode( parent ); - ret->SetItem( wxDataViewItem( n )); - ret->SetHasChildren(false); - return DoJob::OK; + const int index = static_cast(row) - current - 1; + ret = node->GetChildNodes()[index]; + return DoJob::DONE; } - return DoJob::CONT; - } - + return DoJob::CONTINUE; + } } - virtual int operator() ( void * n ) - { - current ++; - if( current == static_cast(row)) - { - ret = new wxDataViewTreeNode( parent ); - ret->SetItem( wxDataViewItem( n )); - ret->SetHasChildren(false); - return DoJob::OK; - } + wxDataViewTreeNode * GetResult() const + { return ret; } - return DoJob::CONT; - } - wxDataViewTreeNode * GetResult(){ return ret; } private: unsigned int row; int current; @@ -2831,123 +3061,151 @@ private: wxDataViewTreeNode * parent; }; - wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const { wxASSERT( !IsVirtualList() ); + if ( row == (unsigned)-1 ) + return NULL; + RowToTreeNodeJob job( row , -2, m_root ); Walker( m_root , job ); return job.GetResult(); } -wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item ) +wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const +{ + wxDataViewItem item; + if (IsVirtualList()) + { + if ( row < GetRowCount() ) + item = wxDataViewItem(wxUIntToPtr(row+1)); + } + else + { + wxDataViewTreeNode *node = GetTreeNodeByRow(row); + if ( node ) + item = node->GetItem(); + } + + return item; +} + +bool +wxDataViewMainWindow::SendExpanderEvent(wxEventType type, + const wxDataViewItem& item) { wxWindow *parent = GetParent(); wxDataViewEvent le(type, parent->GetId()); le.SetEventObject(parent); - le.SetModel(GetOwner()->GetModel()); + le.SetModel(GetModel()); le.SetItem( item ); - parent->GetEventHandler()->ProcessEvent(le); - return le; + return !parent->ProcessWindowEvent(le) || le.IsAllowed(); } - bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const { - if (IsVirtualList()) - return false; + if (IsList()) + return false; wxDataViewTreeNode * node = GetTreeNodeByRow(row); if (!node) - return false; + return false; if (!node->HasChildren()) - { - delete node; - return false; - } + return false; return node->IsOpen(); } - -void wxDataViewMainWindow::OnExpanding( unsigned int row ) +bool wxDataViewMainWindow::HasChildren( unsigned int row ) const { - if (IsVirtualList()) - return; + if (IsList()) + return false; wxDataViewTreeNode * node = GetTreeNodeByRow(row); - if( node != NULL ) - { - if( node->HasChildren()) - { - if( !node->IsOpen()) - { - wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem()); - //Check if the user prevent expanding - if( e.GetSkipped() ) - return; + if (!node) + return false; - node->ToggleOpen(); - //Here I build the children of current node - if( node->GetChildrenNumber() == 0 ) - { - SortPrepare(); - ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node); - } + if (!node->HasChildren()) + return false; - // 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); + wxDataViewTreeNode * node = GetTreeNodeByRow(row); + if (!node) + return; - 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)); - } + if (!node->HasChildren()) + return; + + if (!node->IsOpen()) + { + if ( !SendExpanderEvent(wxEVT_DATAVIEW_ITEM_EXPANDING, node->GetItem()) ) + { + // Vetoed by the event handler. + return; } - else - delete node; + + node->ToggleOpen(); + + // build the children of current node + if( node->GetChildNodes().empty() ) + { + SortPrepare(); + ::BuildTreeHelper(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_DATAVIEW_ITEM_EXPANDED,node->GetItem()); } } -void wxDataViewMainWindow::OnCollapsing(unsigned int row) +void wxDataViewMainWindow::Collapse(unsigned int row) { - if (IsVirtualList()) - return; + if (IsList()) + return; - wxDataViewTreeNode * node = GetTreeNodeByRow(row); - if( node != NULL ) - { - wxDataViewTreeNode * nd = node; + wxDataViewTreeNode *node = GetTreeNodeByRow(row); + if (!node) + return; - if( node->HasChildren() && node->IsOpen() ) + if (!node->HasChildren()) + return; + + if (node->IsOpen()) { - wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem()); - if( e.GetSkipped() ) + if ( !SendExpanderEvent(wxEVT_DATAVIEW_ITEM_COLLAPSING,node->GetItem()) ) + { + // Vetoed by the event handler. return; + } // Find out if there are selected items below the current node. bool selectCollapsingRow = false; @@ -2979,7 +3237,7 @@ void wxDataViewMainWindow::OnCollapsing(unsigned int row) { // 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 OnExpanding(). + // We actually do the opposite of what we are doing in Expand(). for(unsigned i=0; iGetItem()); - } - else - { - node = node->GetParent(); - if( node != NULL ) - { - int parent = GetRowByItem( node->GetItem() ); - if( parent >= 0 ) - { - SelectRow( row, false); - SelectRow(parent , true ); - ChangeCurrentRow( parent ); - SendSelectionChangedEvent( node->GetItem() ); - } - } + SendExpanderEvent(wxEVT_DATAVIEW_ITEM_COLLAPSED,node->GetItem()); } - if( !nd->HasChildren()) - delete nd; - } } wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item ) { - wxDataViewModel * model = GetOwner()->GetModel(); + const wxDataViewModel * model = GetModel(); if( model == NULL ) return NULL; if (!item.IsOk()) return m_root; - //Compose the a parent-chain of the finding item - ItemList list; - list.DeleteContents( true ); + // Compose the parent-chain for the item we are looking for + wxVector parentChain; wxDataViewItem it( item ); while( it.IsOk() ) { - wxDataViewItem * pItem = new wxDataViewItem( it ); - list.Insert( pItem ); - it = model->GetParent( it ); + parentChain.push_back(it); + it = model->GetParent(it); } - //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++ ) + // Find the item along the parent-chain. + // This algorithm is designed to speed up the node-finding method + wxDataViewTreeNode* node = m_root; + for( unsigned iter = parentChain.size()-1; ; --iter ) { if( node->HasChildren() ) { - if( node->GetChildrenNumber() == 0 ) + if( node->GetChildNodes().empty() ) { + // Even though the item is a container, it doesn't have any + // child nodes in the control's representation yet. We have + // to realize its subtree now. SortPrepare(); ::BuildTreeHelper(model, node->GetItem(), node); } - wxDataViewTreeNodes nodes = node->GetNodes(); - unsigned int i; + const wxDataViewTreeNodes& nodes = node->GetChildNodes(); bool found = false; - for (i = 0; i < nodes.GetCount(); i ++) + for (unsigned i = 0; i < nodes.GetCount(); ++i) { - if (nodes[i]->GetItem() == (**iter)) + wxDataViewTreeNode* currentNode = nodes[i]; + if (currentNode->GetItem() == parentChain[iter]) { - if (nodes[i]->GetItem() == item) - return nodes[i]; + if (currentNode->GetItem() == item) + return currentNode; - node = nodes[i]; + node = currentNode; found = true; break; } @@ -3075,11 +3316,15 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item } else return NULL; + + if ( !iter ) + break; } 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(); @@ -3103,35 +3348,75 @@ 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 (!IsList() && + (column == 0 || GetExpanderColumnOrFirstOne(GetOwner()) == column) ) { - col = GetOwner()->GetColumnAt( i ); - x += col->GetWidth(); - if( GetOwner()->GetColumnAt(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 } - 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() +int wxDataViewMainWindow::RecalculateCount() const { - 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*) GetModel(); + + return list_model->GetCount(); } else { @@ -3142,47 +3427,41 @@ int wxDataViewMainWindow::RecalculateCount() class ItemToRowJob : public DoJob { public: - ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter) + ItemToRowJob(const wxDataViewItem& item_, wxVector::reverse_iterator iter) : m_iter(iter), 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; + return DoJob::DONE; } - if( node->GetItem() == **m_iter ) + if( node->GetItem() == *m_iter ) { m_iter++; - return DoJob::CONT; + return DoJob::CONTINUE; } else { ret += node->GetSubTreeCount(); - return DoJob::IGR; + return DoJob::SKIP_SUBTREE; } } - virtual int operator() ( void * n ) - { - ret ++; - if( n == item.GetID() ) - return DoJob::OK; - return DoJob::CONT; - } - //the row number is begin from zero - int GetResult() { return ret -1; } + // the row number is begin from zero + int GetResult() const + { return ret -1; } private: - ItemList::const_iterator m_iter; + wxVector::reverse_iterator m_iter; wxDataViewItem item; int ret; @@ -3190,40 +3469,41 @@ private: int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const { - const wxDataViewModel * model = GetOwner()->GetModel(); + const wxDataViewModel * model = GetModel(); 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 - ItemList list; - wxDataViewItem * pItem; - list.DeleteContents( true ); + // Compose the parent-chain of the item we are looking for + wxVector parentChain; wxDataViewItem it( item ); while( it.IsOk() ) { - pItem = new wxDataViewItem( it ); - list.Insert( pItem ); - it = model->GetParent( it ); + parentChain.push_back(it); + it = model->GetParent(it); } - pItem = new wxDataViewItem( ); - list.Insert( pItem ); - ItemToRowJob job( item, list.begin() ); - Walker(m_root , job ); + // add an 'invalid' item to represent our 'invisible' root node + parentChain.push_back(wxDataViewItem()); + + // the parent chain was created by adding the deepest parent first. + // so if we want to start at the root node, we have to iterate backwards through the vector + ItemToRowJob job( item, parentChain.rbegin() ); + Walker( m_root, job ); return job.GetResult(); } } -static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node) +static void BuildTreeHelper( const wxDataViewModel * model, const wxDataViewItem & item, + wxDataViewTreeNode * node) { if( !model->IsContainer( item ) ) return; @@ -3231,77 +3511,156 @@ static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wx wxDataViewItemArray children; unsigned int num = model->GetChildren( item, children); - unsigned int index = 0; - while( index < num ) + for ( unsigned int index = 0; index < num; index++ ) { - if( model->IsContainer( children[index] ) ) - { - wxDataViewTreeNode * n = new wxDataViewTreeNode( node ); - n->SetItem(children[index]); + wxDataViewTreeNode *n = new wxDataViewTreeNode(node, children[index]); + + if( model->IsContainer(children[index]) ) n->SetHasChildren( true ); - node->AddNode( n ); - } - else - { - node->AddLeaf( children[index].GetID() ); - } - index ++; + + node->InsertChild(n, index); } - node->SetSubTreeCount( num ); - wxDataViewTreeNode * n = node->GetParent(); - if( n != NULL) - n->ChangeSubTreeCount(num); + wxASSERT( node->IsOpen() ); + node->ChangeSubTreeCount(+num); } void wxDataViewMainWindow::BuildTree(wxDataViewModel * model) { DestroyTree(); - if (GetOwner()->GetModel()->IsVirtualListModel()) + if (GetModel()->IsVirtualListModel()) { m_count = -1; return; } - m_root = new wxDataViewTreeNode( NULL ); - m_root->SetHasChildren(true); + m_root = wxDataViewTreeNode::CreateRootNode(); - //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); m_count = -1; } -static void DestroyTreeHelper( wxDataViewTreeNode * node ) +void wxDataViewMainWindow::DestroyTree() +{ + if (!IsVirtualList()) + { + wxDELETE(m_root); + m_count = 0; + } +} + +wxDataViewColumn* +wxDataViewMainWindow::FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode) { - if( node->GetNodeNumber() != 0 ) + // Edit the current column editable in 'mode'. If no column is focused + // (typically because the user has full row selected), try to find the + // first editable column (this would typically be a checkbox for + // wxDATAVIEW_CELL_ACTIVATABLE and we don't want to force the user to set + // focus on the checkbox column; or on the only editable text column). + + wxDataViewColumn *candidate = m_currentCol; + + if ( candidate && + !IsCellEditableInMode(item, candidate, mode) && + !m_currentColSetByKeyboard ) + { + // If current column was set by mouse to something not editable (in + // 'mode') and the user pressed Space/F2 to edit it, treat the + // situation as if there was whole-row focus, because that's what is + // visually indicated and the mouse click could very well be targeted + // on the row rather than on an individual cell. + // + // But if it was done by keyboard, respect that even if the column + // isn't editable, because focus is visually on that column and editing + // something else would be surprising. + candidate = NULL; + } + + if ( !candidate ) { - int len = node->GetNodeNumber(); - int i = 0; - wxDataViewTreeNodes& nodes = node->GetNodes(); - for(; i < len; i ++ ) + const unsigned cols = GetOwner()->GetColumnCount(); + for ( unsigned i = 0; i < cols; i++ ) { - DestroyTreeHelper(nodes[i]); + wxDataViewColumn *c = GetOwner()->GetColumnAt(i); + if ( c->IsHidden() ) + continue; + + if ( IsCellEditableInMode(item, c, mode) ) + { + candidate = c; + break; + } } } - delete node; + + // If on container item without columns, only the expander column + // may be directly editable: + if ( candidate && + GetOwner()->GetExpanderColumn() != candidate && + GetModel()->IsContainer(item) && + !GetModel()->HasContainerColumns(item) ) + { + candidate = GetOwner()->GetExpanderColumn(); + } + + if ( !candidate ) + return NULL; + + if ( !IsCellEditableInMode(item, candidate, mode) ) + return NULL; + + return candidate; } -void wxDataViewMainWindow::DestroyTree() +bool wxDataViewMainWindow::IsCellEditableInMode(const wxDataViewItem& item, + const wxDataViewColumn *col, + wxDataViewCellMode mode) const { - if (!IsVirtualList()) + if ( col->GetRenderer()->GetMode() != mode ) + return false; + + if ( !GetModel()->IsEnabled(item, col->GetModelColumn()) ) + return false; + + return true; +} + +void wxDataViewMainWindow::OnCharHook(wxKeyEvent& event) +{ + if ( m_editorCtrl ) { - ::DestroyTreeHelper(m_root); - m_count = 0; - m_root = NULL; + // Handle any keys special for the in-place editor and return without + // calling Skip() below. + switch ( event.GetKeyCode() ) + { + case WXK_ESCAPE: + m_editorRenderer->CancelEditing(); + return; + + case WXK_RETURN: + m_editorRenderer->FinishEditing(); + return; + } } + + event.Skip(); } void wxDataViewMainWindow::OnChar( wxKeyEvent &event ) { - if ( GetParent()->HandleAsNavigationKey(event) ) + wxWindow * const parent = GetParent(); + + // propagate the char event upwards + wxKeyEvent eventForParent(event); + eventForParent.SetEventObject(parent); + if ( parent->ProcessWindowEvent(eventForParent) ) + return; + + if ( parent->HandleAsNavigationKey(event) ) return; // no item -> nothing to do @@ -3313,71 +3672,133 @@ 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) + if ( event.HasModifiers() ) { - wxWindow *parent = GetParent(); - wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId()); - le.SetItem( GetItemByRow(m_currentRow) ); + event.Skip(); + break; + } + else + { + // Enter activates the item, i.e. sends wxEVT_DATAVIEW_ITEM_ACTIVATED to + // it. Only if that event is not handled do we activate column renderer (which + // is normally done by Space) or even inline editing. + + const wxDataViewItem item = GetItemByRow(m_currentRow); + + wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_ACTIVATED, + parent->GetId()); + le.SetItem(item); le.SetEventObject(parent); - le.SetModel(GetOwner()->GetModel()); + le.SetModel(GetModel()); + + if ( parent->ProcessWindowEvent(le) ) + break; + // else: fall through to WXK_SPACE handling + } - parent->GetEventHandler()->ProcessEvent(le); + case WXK_SPACE: + if ( event.HasModifiers() ) + { + event.Skip(); + break; + } + else + { + // Space toggles activatable items or -- if not activatable -- + // starts inline editing (this is normally done using F2 on + // Windows, but Space is common everywhere else, so use it too + // for greater cross-platform compatibility). + + const wxDataViewItem item = GetItemByRow(m_currentRow); + + // Activate the current activatable column. If not column is focused (typically + // because the user has full row selected), try to find the first activatable + // column (this would typically be a checkbox and we don't want to force the user + // to set focus on the checkbox column). + wxDataViewColumn *activatableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_ACTIVATABLE); + + if ( activatableCol ) + { + const unsigned colIdx = activatableCol->GetModelColumn(); + const wxRect cell_rect = GetOwner()->GetItemRect(item, activatableCol); + + wxDataViewRenderer *cell = activatableCol->GetRenderer(); + cell->PrepareForItem(GetModel(), item, colIdx); + cell->WXActivateCell(cell_rect, GetModel(), item, colIdx, NULL); + + break; + } + // else: fall through to WXK_F2 handling + } + + case WXK_F2: + if ( event.HasModifiers() ) + { + event.Skip(); + break; + } + else + { + if( !m_selection.empty() ) + { + // Mimic Windows 7 behavior: edit the item that has focus + // if it is selected and the first selected item if focus + // is out of selection. + int sel; + if ( m_selection.Index(m_currentRow) != wxNOT_FOUND ) + sel = m_currentRow; + else + sel = m_selection[0]; + + + const wxDataViewItem item = GetItemByRow(sel); + + // Edit the current column. If no column is focused + // (typically because the user has full row selected), try + // to find the first editable column. + wxDataViewColumn *editableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_EDITABLE); + + if ( editableCol ) + GetOwner()->EditItem(item, editableCol); + } } break; - } + case WXK_UP: - if ( m_currentRow > 0 ) - OnArrowChar( m_currentRow - 1, event ); + OnVerticalNavigation( -1, event ); break; case WXK_DOWN: - if ( m_currentRow < GetRowCount() - 1 ) - OnArrowChar( m_currentRow + 1, event ); + OnVerticalNavigation( +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; + OnLeftKey(); + break; + + case WXK_RIGHT: + OnRightKey(); + break; + case WXK_END: - if (!IsEmpty()) - OnArrowChar( GetRowCount() - 1, event ); + OnVerticalNavigation( +(int)GetRowCount(), event ); break; case WXK_HOME: - if (!IsEmpty()) - OnArrowChar( 0, event ); + OnVerticalNavigation( -(int)GetRowCount(), event ); break; case WXK_PAGEUP: - { - int steps = pageSize - 1; - int index = m_currentRow - steps; - if (index < 0) - index = 0; - - OnArrowChar( index, event ); - } + OnVerticalNavigation( -(pageSize - 1), event ); break; case WXK_PAGEDOWN: - { - int steps = pageSize - 1; - unsigned int index = m_currentRow + steps; - unsigned int count = GetRowCount(); - if ( index >= count ) - index = count - 1; - - OnArrowChar( index, event ); - } + OnVerticalNavigation( +(pageSize - 1), event ); break; default: @@ -3385,6 +3806,196 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event ) } } +void wxDataViewMainWindow::OnVerticalNavigation(int delta, const wxKeyEvent& event) +{ + // if there is no selection, we cannot move it anywhere + if (!HasCurrentRow() || IsEmpty()) + return; + + int newRow = (int)m_currentRow + delta; + + // let's keep the new row inside the allowed range + if ( newRow < 0 ) + newRow = 0; + + const int rowCount = (int)GetRowCount(); + if ( newRow >= rowCount ) + newRow = rowCount - 1; + + unsigned int oldCurrent = m_currentRow; + unsigned int newCurrent = (unsigned int)newRow; + + // in single selection we just ignore Shift as we can't select several + // items anyhow + if ( event.ShiftDown() && !IsSingleSel() ) + { + RefreshRow( oldCurrent ); + + ChangeCurrentRow( newCurrent ); + + // select all the items between the old and the new one + if ( oldCurrent > newCurrent ) + { + newCurrent = oldCurrent; + oldCurrent = m_currentRow; + } + + SelectRows( oldCurrent, newCurrent, true ); + if (oldCurrent!=newCurrent) + SendSelectionChangedEvent(GetItemByRow(m_selection[0])); + } + else // !shift + { + RefreshRow( oldCurrent ); + + // all previously selected items are unselected unless ctrl is held + if ( !event.ControlDown() ) + SelectAllRows(false); + + ChangeCurrentRow( newCurrent ); + + if ( !event.ControlDown() ) + { + SelectRow( m_currentRow, true ); + SendSelectionChangedEvent(GetItemByRow(m_currentRow)); + } + else + RefreshRow( m_currentRow ); + } + + GetOwner()->EnsureVisible( m_currentRow, -1 ); +} + +void wxDataViewMainWindow::OnLeftKey() +{ + if ( IsList() ) + { + TryAdvanceCurrentColumn(NULL, /*forward=*/false); + } + else + { + wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow); + if ( !node ) + return; + + if ( TryAdvanceCurrentColumn(node, /*forward=*/false) ) + return; + + // Because TryAdvanceCurrentColumn() return false, we are at the first + // column or using whole-row selection. In this situation, we can use + // the standard TreeView handling of the left key. + 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 (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() ); + } + } + } + } +} + +void wxDataViewMainWindow::OnRightKey() +{ + if ( IsList() ) + { + TryAdvanceCurrentColumn(NULL, /*forward=*/true); + } + else + { + wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow); + if ( !node ) + return; + + if ( node->HasChildren() ) + { + if ( !node->IsOpen() ) + { + Expand( m_currentRow ); + } + else + { + // if the node is already open, we move the selection to the first child + unsigned int row = m_currentRow; + SelectRow( row, false ); + SelectRow( row + 1, true ); + ChangeCurrentRow( row + 1 ); + GetOwner()->EnsureVisible( row + 1, -1 ); + SendSelectionChangedEvent( GetItemByRow(row+1) ); + } + } + else + { + TryAdvanceCurrentColumn(node, /*forward=*/true); + } + } +} + +bool wxDataViewMainWindow::TryAdvanceCurrentColumn(wxDataViewTreeNode *node, bool forward) +{ + if ( GetOwner()->GetColumnCount() == 0 ) + return false; + + if ( !m_useCellFocus ) + return false; + + if ( node ) + { + // navigation shouldn't work in branch nodes without other columns: + if ( node->HasChildren() && !GetModel()->HasContainerColumns(node->GetItem()) ) + return false; + } + + if ( m_currentCol == NULL || !m_currentColSetByKeyboard ) + { + if ( forward ) + { + m_currentCol = GetOwner()->GetColumnAt(1); + m_currentColSetByKeyboard = true; + RefreshRow(m_currentRow); + return true; + } + else + return false; + } + + int idx = GetOwner()->GetColumnIndex(m_currentCol) + (forward ? +1 : -1); + + if ( idx >= (int)GetOwner()->GetColumnCount() ) + return false; + + GetOwner()->EnsureVisible(m_currentRow, idx); + + if ( idx < 1 ) + { + // We are going to the left of the second column. Reset to whole-row + // focus (which means first column would be edited). + m_currentCol = NULL; + RefreshRow(m_currentRow); + return true; + } + + m_currentCol = GetOwner()->GetColumnAt(idx); + m_currentColSetByKeyboard = true; + RefreshRow(m_currentRow); + return true; +} + void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) { if (event.GetEventType() == wxEVT_MOUSEWHEEL) @@ -3394,6 +4005,14 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) return; } + if(event.ButtonDown()) + { + // Not skipping button down events would prevent the system from + // setting focus to this window as most (all?) of them do by default, + // so skip it to enable default handling. + event.Skip(); + } + int x = event.GetX(); int y = event.GetY(); m_owner->CalcUnscrolledPosition( x, y, &x, &y ); @@ -3415,66 +4034,35 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) } xpos += c->GetWidth(); } - if (!col) - return; - wxDataViewRenderer *cell = col->GetRenderer(); - unsigned int current = GetLineAt( y ); - if ((current >= GetRowCount()) || (x > GetEndOfLastCol())) - { - // Unselect all if below the last row ? - return; - } + wxDataViewModel* const model = GetModel(); - //Test whether the mouse is hovered on the tree item button - bool hoverOverExpander = false; - if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col)) - { - wxDataViewTreeNode * node = GetTreeNodeByRow(current); - if( node!=NULL && node->HasChildren() ) - { - int indent = node->GetIndentLevel(); - indent = GetOwner()->GetIndent()*indent; + const unsigned int current = GetLineAt( y ); + const wxDataViewItem item = GetItemByRow(current); - // 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 - hoverOverExpander = true; - if (m_underMouse && m_underMouse != node) - { - //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); - RefreshRow(GetRowByItem(m_underMouse->GetItem())); - } - if (m_underMouse != node) - { - //wxLogMessage("Do the row: %d", current); - RefreshRow(current); - } - m_underMouse = node; - } - } - if (node!=NULL && !node->HasChildren()) - delete node; - } - if (!hoverOverExpander) + // Handle right clicking here, before everything else as context menu + // events should be sent even when we click outside of any item, unlike all + // the other ones. + if (event.RightUp()) { - if (m_underMouse != NULL) + wxWindow *parent = GetParent(); + wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId()); + le.SetEventObject(parent); + le.SetModel(model); + + if ( item.IsOk() && col ) { - //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); - RefreshRow(GetRowByItem(m_underMouse->GetItem())); - m_underMouse = NULL; + le.SetItem( item ); + le.SetColumn( col->GetModelColumn() ); + le.SetDataViewColumn( col ); } - } - wxDataViewModel *model = GetOwner()->GetModel(); + parent->ProcessWindowEvent(le); + return; + } #if wxUSE_DRAG_AND_DROP - if (event.Dragging()) + if (event.Dragging() || ((m_dragCount > 0) && event.Leaving())) { if (m_dragCount == 0) { @@ -3485,43 +4073,118 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) } m_dragCount++; - - if (m_dragCount != 3) + if ((m_dragCount < 3) && (event.Leaving())) + m_dragCount = 3; + else if (m_dragCount != 3) return; if (event.LeftIsDown()) { - m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y, &m_dragStart.x, &m_dragStart.y ); + 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 ); + wxDataViewItem itemDragged = GetItemByRow( drag_item_row ); // Notify cell about drag - wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() ); + wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() ); event.SetEventObject( m_owner ); - event.SetItem( item ); + event.SetItem( itemDragged ); event.SetModel( model ); if (!m_owner->HandleWindowEvent( event )) return; - if (!event.IsAllowed()) - 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(event.GetDragFlags()); + delete obj; + } + return; + } + else + { + m_dragCount = 0; + } +#endif // wxUSE_DRAG_AND_DROP + + // Check if we clicked outside the item area. + if ((current >= GetRowCount()) || !col) + { + // Follow Windows convention here: clicking either left or right (but + // not middle) button clears the existing selection. + if (m_owner && (event.LeftDown() || event.RightDown())) + { + if (!GetSelections().empty()) + { + m_owner->UnselectAll(); + SendSelectionChangedEvent(wxDataViewItem()); + } + } + event.Skip(); + return; + } + + wxDataViewRenderer *cell = col->GetRenderer(); + wxDataViewColumn* const + expander = GetExpanderColumnOrFirstOne(GetOwner()); + + // Test whether the mouse is hovering over the expander (a.k.a tree "+" + // button) and also determine the offset of the real cell start, skipping + // the indentation and the expander itself. + bool hoverOverExpander = false; + int itemOffset = 0; + if ((!IsList()) && (expander == col)) + { + wxDataViewTreeNode * node = GetTreeNodeByRow(current); + + int indent = node->GetIndentLevel(); + itemOffset = GetOwner()->GetIndent()*indent; - wxDataObject *obj = event.GetDataObject(); - if (!obj) - return; + if ( node->HasChildren() ) + { + // 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(itemOffset, + GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2, + m_lineHeight, m_lineHeight); - wxDataViewDropSource drag( this, drag_item_row ); - drag.SetData( *obj ); - /* wxDragResult res = */ drag.DoDragDrop(); - delete obj; + if( rect.Contains(x, y) ) + { + // So the mouse is over the expander + hoverOverExpander = true; + if (m_underMouse && m_underMouse != node) + { + // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); + RefreshRow(GetRowByItem(m_underMouse->GetItem())); + } + if (m_underMouse != node) + { + // wxLogMessage("Do the row: %d", current); + RefreshRow(current); + } + m_underMouse = node; + } } - return; + + // Account for the expander as well, even if this item doesn't have it, + // its parent does so it still counts for the offset. + itemOffset += m_lineHeight; } - else + if (!hoverOverExpander) { - m_dragCount = 0; + if (m_underMouse != NULL) + { + // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); + RefreshRow(GetRowByItem(m_underMouse->GetItem())); + m_underMouse = NULL; + } } -#endif // wxUSE_DRAG_AND_DROP bool simulateClick = false; @@ -3531,9 +4194,8 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) m_lastOnSame = false; } - wxDataViewItem item = GetItemByRow(current); bool ignore_other_columns = - ((GetOwner()->GetExpanderColumn() != col) && + ((expander != col) && (model->IsContainer(item)) && (!model->HasContainerColumns(item))); @@ -3546,26 +4208,15 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) } else if ( current == m_lineLastClicked ) { - if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE)) - { - wxVariant value; - model->GetValue( value, item, col->GetModelColumn() ); - cell->SetValue( value ); - wxRect cell_rect( xpos, GetLineStart( current ), - col->GetWidth(), GetLineHeight( current ) ); - cell->Activate( cell_rect, model, item, col->GetModelColumn() ); - - } - else - { - wxWindow *parent = GetParent(); - wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId()); - le.SetItem( item ); - le.SetEventObject(parent); - le.SetModel(GetOwner()->GetModel()); - - parent->GetEventHandler()->ProcessEvent(le); - } + wxWindow *parent = GetParent(); + wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_ACTIVATED, parent->GetId()); + le.SetItem( item ); + le.SetColumn( col->GetModelColumn() ); + le.SetDataViewColumn( col ); + le.SetEventObject(parent); + le.SetModel(GetModel()); + + parent->ProcessWindowEvent(le); return; } else @@ -3586,11 +4237,12 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) ); } - //If the user click the expander, we do not do editing even if the column with expander are editable + // 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) ) + IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) ) { m_renameTimer->Start( 100, true ); } @@ -3618,20 +4270,12 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) if (!IsRowSelected(current)) { SelectAllRows(false); + const unsigned oldCurrent = m_currentRow; ChangeCurrentRow(current); SelectRow(m_currentRow,true); + RefreshRow(oldCurrent); SendSelectionChangedEvent(GetItemByRow( m_currentRow ) ); } - - wxVariant value; - model->GetValue( value, item, col->GetModelColumn() ); - wxWindow *parent = GetParent(); - wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId()); - le.SetItem( item ); - le.SetEventObject(parent); - le.SetModel(GetOwner()->GetModel()); - le.SetValue(value); - parent->GetEventHandler()->ProcessEvent(le); } else if (event.MiddleDown()) { @@ -3640,17 +4284,17 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) if((event.LeftDown() || simulateClick) && hoverOverExpander) { wxDataViewTreeNode* node = GetTreeNodeByRow(current); - // hoverOverExpander being true tells us that our node must be valid and have children. + + // 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() ) - OnCollapsing(current); + Collapse(current); else - OnExpanding(current); + Expand(current); } else if ((event.LeftDown() || simulateClick) && !hoverOverExpander) { - SetFocus(); - m_lineBeforeLastClicked = m_lineLastClicked; m_lineLastClicked = current; @@ -3679,7 +4323,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) { ChangeCurrentRow(current); ReverseRowSelection(m_currentRow); - SendSelectionChangedEvent(GetItemByRow(m_selection[0]) ); + SendSelectionChangedEvent(GetItemByRow(m_currentRow)); } else if (event.ShiftDown()) { @@ -3700,7 +4344,7 @@ 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?") ); } } @@ -3711,20 +4355,77 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) // Update selection here... m_currentCol = col; - + m_currentColSetByKeyboard = false; + + // This flag is used to decide whether we should start editing the item + // label. We do it if the user clicks twice (but not double clicks, + // i.e. simulateClick is false) on the same item but not if the click + // was used for something else already, e.g. selecting the item (so it + // must have been already selected) or giving the focus to the control + // (so it must have had focus already). m_lastOnSame = !simulateClick && ((col == oldCurrentCol) && - (current == oldCurrentRow)) && oldWasSelected; + (current == oldCurrentRow)) && oldWasSelected && + HasFocus(); - // Call LeftClick after everything else as under GTK+ - if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE) + // Call ActivateCell() after everything else as under GTK+ + if ( IsCellEditableInMode(item, col, wxDATAVIEW_CELL_ACTIVATABLE) ) { - // notify cell about right click - wxVariant value; - 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()); + // notify cell about click + cell->PrepareForItem(model, item, col->GetModelColumn()); + + wxRect cell_rect( xpos + itemOffset, + GetLineStart( current ), + col->GetWidth() - itemOffset, + GetLineHeight( current ) ); + + // Report position relative to the cell's custom area, i.e. + // not the entire space as given by the control but the one + // used by the renderer after calculation of alignment etc. + // + // Notice that this results in negative coordinates when clicking + // in the upper left corner of a centre-aligned cell which doesn't + // fill its column entirely so this is somewhat surprising, but we + // do it like this for compatibility with the native GTK+ version, + // see #12270. + + // adjust the rectangle ourselves to account for the alignment + int align = cell->GetAlignment(); + if ( align == wxDVR_DEFAULT_ALIGNMENT ) + align = wxALIGN_CENTRE; + + wxRect rectItem = cell_rect; + const wxSize size = cell->GetSize(); + if ( size.x >= 0 && size.x < cell_rect.width ) + { + if ( align & wxALIGN_CENTER_HORIZONTAL ) + rectItem.x += (cell_rect.width - size.x)/2; + else if ( align & wxALIGN_RIGHT ) + rectItem.x += cell_rect.width - size.x; + // else: wxALIGN_LEFT is the default + } + + if ( size.y >= 0 && size.y < cell_rect.height ) + { + if ( align & wxALIGN_CENTER_VERTICAL ) + rectItem.y += (cell_rect.height - size.y)/2; + else if ( align & wxALIGN_BOTTOM ) + rectItem.y += cell_rect.height - size.y; + // else: wxALIGN_TOP is the default + } + + wxMouseEvent event2(event); + event2.m_x -= rectItem.x; + event2.m_y -= rectItem.y; + m_owner->CalcUnscrolledPosition(event2.m_x, event2.m_y, &event2.m_x, &event2.m_y); + + /* ignore ret */ cell->WXActivateCell + ( + cell_rect, + model, + item, + col->GetModelColumn(), + &event2 + ); } } } @@ -3749,21 +4450,32 @@ void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event ) event.Skip(); } -wxDataViewItem wxDataViewMainWindow::GetSelection() const +void wxDataViewMainWindow::OnColumnsCountChanged() { - if( m_selection.GetCount() != 1 ) - return wxDataViewItem(); + int editableCount = 0; + + const unsigned cols = GetOwner()->GetColumnCount(); + for ( unsigned i = 0; i < cols; i++ ) + { + wxDataViewColumn *c = GetOwner()->GetColumnAt(i); + if ( c->IsHidden() ) + continue; + if ( c->GetRenderer()->GetMode() != wxDATAVIEW_CELL_INERT ) + editableCount++; + } - return GetItemByRow( m_selection.Item(0)); + m_useCellFocus = (editableCount > 1); + + UpdateDisplay(); } //----------------------------------------------------------------------------- // wxDataViewCtrl //----------------------------------------------------------------------------- + WX_DEFINE_LIST(wxDataViewColumnList) IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase) - BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase) EVT_SIZE(wxDataViewCtrl::OnSize) END_EVENT_TABLE() @@ -3774,6 +4486,7 @@ wxDataViewCtrl::~wxDataViewCtrl() GetModel()->RemoveNotifier( m_notifier ); m_cols.Clear(); + m_colsBestWidths.clear(); } void wxDataViewCtrl::Init() @@ -3785,11 +4498,18 @@ void wxDataViewCtrl::Init() m_sortingColumnIdx = wxNOT_FOUND; m_headerArea = NULL; + m_clientArea = NULL; + + m_colsDirty = false; } -bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxValidator& validator ) +bool wxDataViewCtrl::Create(wxWindow *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxValidator& validator, + const wxString& name) { // if ( (style & wxBORDER_MASK) == 0) // style |= wxBORDER_SUNKEN; @@ -3797,7 +4517,7 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id, Init(); if (!wxControl::Create( parent, id, pos, size, - style | wxScrolledWindowStyle, validator)) + style | wxScrolledWindowStyle, validator, name)) return false; SetInitialSize(size); @@ -3808,6 +4528,11 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id, m_clientArea = new wxDataViewMainWindow( this, wxID_ANY ); + // We use the cursor keys for moving the selection, not scrolling, so call + // this method to ensure wxScrollHelperEvtHandler doesn't catch all + // keyboard events forwarded to us from wxListMainWindow. + DisableKeyboardScrolling(); + if (HasFlag(wxDV_NO_HEADER)) m_headerArea = NULL; else @@ -3831,8 +4556,8 @@ wxBorder wxDataViewCtrl::GetDefaultBorder() const #ifdef __WXMSW__ WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg, - WXWPARAM wParam, - WXLPARAM lParam) + WXWPARAM wParam, + WXLPARAM lParam) { WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam); @@ -3869,6 +4594,16 @@ void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) ) Layout(); AdjustScrollbars(); + + // We must redraw the headers if their height changed. Normally this + // shouldn't happen as the control shouldn't let itself be resized beneath + // its minimal height but avoid the display artefacts that appear if it + // does happen, e.g. because there is really not enough vertical space. + if ( !HasFlag(wxDV_NO_HEADER) && m_headerArea && + m_headerArea->GetSize().y <= m_headerArea->GetBestSize(). y ) + { + m_headerArea->Refresh(); + } } void wxDataViewCtrl::SetFocus() @@ -3877,18 +4612,53 @@ void wxDataViewCtrl::SetFocus() m_clientArea->SetFocus(); } +bool wxDataViewCtrl::SetFont(const wxFont & font) +{ + if (!wxControl::SetFont(font)) + return false; + + if (m_headerArea) + m_headerArea->SetFont(font); + + if (m_clientArea) + { + m_clientArea->SetFont(font); + m_clientArea->SetRowHeight(m_clientArea->GetDefaultRowHeight()); + } + + if (m_headerArea || m_clientArea) + { + InvalidateColBestWidths(); + Layout(); + } + + return true; +} + + + bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model ) { if (!wxDataViewCtrlBase::AssociateModel( model )) return false; - m_notifier = new wxGenericDataViewModelNotifier( m_clientArea ); - - model->AddNotifier( m_notifier ); + if (model) + { + m_notifier = new wxGenericDataViewModelNotifier( m_clientArea ); + model->AddNotifier( m_notifier ); + } + else if (m_notifier) + { + m_notifier->Cleared(); + m_notifier = NULL; + } m_clientArea->DestroyTree(); - m_clientArea->BuildTree(model); + if (model) + { + m_clientArea->BuildTree(model); + } m_clientArea->UpdateDisplay(); @@ -3915,6 +4685,7 @@ bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col ) return false; m_cols.Append( col ); + m_colsBestWidths.push_back(CachedColWidthInfo()); OnColumnsCountChanged(); return true; } @@ -3925,6 +4696,7 @@ bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col ) return false; m_cols.Insert( col ); + m_colsBestWidths.insert(m_colsBestWidths.begin(), CachedColWidthInfo()); OnColumnsCountChanged(); return true; } @@ -3935,6 +4707,7 @@ bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col ) return false; m_cols.Insert( pos, col ); + m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, CachedColWidthInfo()); OnColumnsCountChanged(); return true; } @@ -3952,7 +4725,7 @@ void wxDataViewCtrl::OnColumnsCountChanged() if (m_headerArea) m_headerArea->SetColumnCount(GetColumnCount()); - m_clientArea->UpdateDisplay(); + m_clientArea->OnColumnsCountChanged(); } void wxDataViewCtrl::DoSetExpanderColumn() @@ -3970,6 +4743,16 @@ unsigned int wxDataViewCtrl::GetColumnCount() const return m_cols.GetCount(); } +bool wxDataViewCtrl::SetRowHeight( int lineHeight ) +{ + if ( !m_clientArea ) + return false; + + m_clientArea->SetRowHeight(lineHeight); + + return true; +} + wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const { return m_cols[idx]; @@ -3997,6 +4780,163 @@ int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const return wxNOT_FOUND; } +unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const +{ + if ( m_colsBestWidths[idx].width != 0 ) + return m_colsBestWidths[idx].width; + + const int count = m_clientArea->GetRowCount(); + wxDataViewColumn *column = GetColumn(idx); + wxDataViewRenderer *renderer = + const_cast(column->GetRenderer()); + + class MaxWidthCalculator + { + public: + MaxWidthCalculator(const wxDataViewCtrl *dvc, + wxDataViewMainWindow *clientArea, + wxDataViewRenderer *renderer, + const wxDataViewModel *model, + unsigned column, + int expanderSize) + : m_width(0), + m_dvc(dvc), + m_clientArea(clientArea), + m_renderer(renderer), + m_model(model), + m_column(column), + m_expanderSize(expanderSize) + + { + m_isExpanderCol = + !clientArea->IsList() && + (column == 0 || + GetExpanderColumnOrFirstOne(const_cast(dvc)) == dvc->GetColumnAt(column)); + } + + void UpdateWithWidth(int width) + { + m_width = wxMax(m_width, width); + } + + void UpdateWithRow(int row) + { + int indent = 0; + wxDataViewItem item; + + if ( m_isExpanderCol ) + { + wxDataViewTreeNode *node = m_clientArea->GetTreeNodeByRow(row); + item = node->GetItem(); + indent = m_dvc->GetIndent() * node->GetIndentLevel() + m_expanderSize; + } + else + { + item = m_clientArea->GetItemByRow(row); + } + + m_renderer->PrepareForItem(m_model, item, m_column); + m_width = wxMax(m_width, m_renderer->GetSize().x + indent); + } + + int GetMaxWidth() const { return m_width; } + + private: + int m_width; + const wxDataViewCtrl *m_dvc; + wxDataViewMainWindow *m_clientArea; + wxDataViewRenderer *m_renderer; + const wxDataViewModel *m_model; + unsigned m_column; + bool m_isExpanderCol; + int m_expanderSize; + }; + + MaxWidthCalculator calculator(this, m_clientArea, renderer, + GetModel(), column->GetModelColumn(), + m_clientArea->GetRowHeight()); + + calculator.UpdateWithWidth(column->GetMinWidth()); + + if ( m_headerArea ) + calculator.UpdateWithWidth(m_headerArea->GetColumnTitleWidth(*column)); + + // The code below deserves some explanation. For very large controls, we + // simply can't afford to calculate sizes for all items, it takes too + // long. So the best we can do is to check the first and the last N/2 + // items in the control for some sufficiently large N and calculate best + // sizes from that. That can result in the calculated best width being too + // small for some outliers, but it's better to get slightly imperfect + // result than to wait several seconds after every update. To avoid highly + // visible miscalculations, we also include all currently visible items + // no matter what. Finally, the value of N is determined dynamically by + // measuring how much time we spent on the determining item widths so far. + +#if wxUSE_STOPWATCH + int top_part_end = count; + static const long CALC_TIMEOUT = 20/*ms*/; + // don't call wxStopWatch::Time() too often + static const unsigned CALC_CHECK_FREQ = 100; + wxStopWatch timer; +#else + // use some hard-coded limit, that's the best we can do without timer + int top_part_end = wxMin(500, count); +#endif // wxUSE_STOPWATCH/!wxUSE_STOPWATCH + + int row = 0; + + for ( row = 0; row < top_part_end; row++ ) + { +#if wxUSE_STOPWATCH + if ( row % CALC_CHECK_FREQ == CALC_CHECK_FREQ-1 && + timer.Time() > CALC_TIMEOUT ) + break; +#endif // wxUSE_STOPWATCH + calculator.UpdateWithRow(row); + } + + // row is the first unmeasured item now; that's our value of N/2 + + if ( row < count ) + { + top_part_end = row; + + // add bottom N/2 items now: + const int bottom_part_start = wxMax(row, count - row); + for ( row = bottom_part_start; row < count; row++ ) + { + calculator.UpdateWithRow(row); + } + + // finally, include currently visible items in the calculation: + const wxPoint origin = CalcUnscrolledPosition(wxPoint(0, 0)); + int first_visible = m_clientArea->GetLineAt(origin.y); + int last_visible = m_clientArea->GetLineAt(origin.y + GetClientSize().y); + + first_visible = wxMax(first_visible, top_part_end); + last_visible = wxMin(bottom_part_start, last_visible); + + for ( row = first_visible; row < last_visible; row++ ) + { + calculator.UpdateWithRow(row); + } + + wxLogTrace("dataview", + "determined best size from %d top, %d bottom plus %d more visible items out of %d total", + top_part_end, + count - bottom_part_start, + wxMax(0, last_visible - first_visible), + count); + } + + int max_width = calculator.GetMaxWidth(); + if ( max_width > 0 ) + max_width += 2 * PADDING_RIGHTLEFT; + + const_cast(this)->m_colsBestWidths[idx].width = max_width; + return max_width; +} + void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col), unsigned int WXUNUSED(new_pos)) { @@ -4012,7 +4952,12 @@ bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column ) if (!ret) return false; + m_colsBestWidths.erase(m_colsBestWidths.begin() + GetColumnIndex(column)); m_cols.Erase(ret); + + if ( m_clientArea->GetCurrentColumn() == column ) + m_clientArea->ClearCurrentColumn(); + OnColumnsCountChanged(); return true; @@ -4020,29 +4965,77 @@ bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column ) bool wxDataViewCtrl::ClearColumns() { + SetExpanderColumn(NULL); m_cols.Clear(); + m_colsBestWidths.clear(); + + m_clientArea->ClearCurrentColumn(); + OnColumnsCountChanged(); + return true; } +void wxDataViewCtrl::InvalidateColBestWidth(int idx) +{ + m_colsBestWidths[idx].width = 0; + m_colsBestWidths[idx].dirty = true; + m_colsDirty = true; +} + +void wxDataViewCtrl::InvalidateColBestWidths() +{ + // mark all columns as dirty: + m_colsBestWidths.clear(); + m_colsBestWidths.resize(m_cols.size()); + m_colsDirty = true; +} + +void wxDataViewCtrl::UpdateColWidths() +{ + m_colsDirty = false; + + if ( !m_headerArea ) + return; + + const unsigned len = m_colsBestWidths.size(); + for ( unsigned i = 0; i < len; i++ ) + { + // Note that we have to have an explicit 'dirty' flag here instead of + // checking if the width==0, as is done in GetBestColumnWidth(). + // + // Testing width==0 wouldn't work correctly if some code called + // GetWidth() after col. width invalidation but before + // wxDataViewCtrl::UpdateColWidths() was called at idle time. This + // would result in the header's column width getting out of sync with + // the control itself. + if ( m_colsBestWidths[i].dirty ) + { + m_headerArea->UpdateColumn(i); + m_colsBestWidths[i].dirty = false; + } + } +} + +void wxDataViewCtrl::OnInternalIdle() +{ + wxDataViewCtrlBase::OnInternalIdle(); + + if ( m_colsDirty ) + UpdateColWidths(); +} + int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const { - int ret = 0, - dummy = 0; unsigned int len = GetColumnCount(); for ( unsigned int i = 0; i < len; i++ ) { wxDataViewColumn * col = GetColumnAt(i); - if (col->IsHidden()) - continue; - ret += col->GetWidth(); if (column==col) - { - CalcScrolledPosition( ret, dummy, &ret, &dummy ); - break; - } + return i; } - return ret; + + return wxNOT_FOUND; } wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const @@ -4051,23 +5044,54 @@ wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const : GetColumn(m_sortingColumnIdx); } -//Selection code with wxDataViewItem as parameters -wxDataViewItem wxDataViewCtrl::GetSelection() const +wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const +{ + return GetItemByRow(m_clientArea->GetCurrentRow()); +} + +void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item) +{ + const int row = m_clientArea->GetRowByItem(item); + + const unsigned oldCurrent = m_clientArea->GetCurrentRow(); + if ( static_cast(row) != oldCurrent ) + { + m_clientArea->ChangeCurrentRow(row); + m_clientArea->RefreshRow(oldCurrent); + m_clientArea->RefreshRow(row); + } +} + +wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const +{ + return m_clientArea->GetCurrentColumn(); +} + +int wxDataViewCtrl::GetSelectedItemsCount() const { - return m_clientArea->GetSelection(); + return m_clientArea->GetSelections().size(); } int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const { sel.Empty(); - wxDataViewSelection selection = m_clientArea->GetSelections(); - int len = selection.GetCount(); - for( int i = 0; i < len; i ++) + const wxDataViewSelection& selections = m_clientArea->GetSelections(); + + const size_t len = selections.size(); + for ( size_t i = 0; i < len; i++ ) { - unsigned int row = selection[i]; - sel.Add( m_clientArea->GetItemByRow( row ) ); + wxDataViewItem item = m_clientArea->GetItemByRow(selections[i]); + if ( item.IsOk() ) + { + sel.Add(item); + } + else + { + wxFAIL_MSG( "invalid item in selection - bad internal state" ); + } } - return len; + + return sel.size(); } void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel ) @@ -4103,10 +5127,14 @@ void wxDataViewCtrl::Select( const wxDataViewItem & 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); + + // Also set focus to the selected item + m_clientArea->ChangeCurrentRow( row ); } } @@ -4127,71 +5155,9 @@ bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const return false; } -//Selection code with row number as parameter -int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const -{ - sel.Empty(); - wxDataViewSelection selection = m_clientArea->GetSelections(); - int len = selection.GetCount(); - for( int i = 0; i < len; i ++) - { - unsigned int row = selection[i]; - sel.Add( row ); - } - return len; -} - -void wxDataViewCtrl::SetSelections( const wxArrayInt & sel ) -{ - wxDataViewSelection selection(wxDataViewSelectionCmp); - int len = sel.GetCount(); - for( int i = 0; i < len; i ++ ) - { - int row = sel[i]; - if( row >= 0 ) - selection.Add( static_cast(row) ); - } - m_clientArea->SetSelections( selection ); -} - -void wxDataViewCtrl::Select( int row ) -{ - if( row >= 0 ) - { - if (m_clientArea->IsSingleSel()) - m_clientArea->SelectAllRows(false); - m_clientArea->SelectRow( row, true ); - } -} - -void wxDataViewCtrl::Unselect( int row ) -{ - if( row >= 0 ) - m_clientArea->SelectRow(row, false); -} - -bool wxDataViewCtrl::IsSelected( int row ) const -{ - if( row >= 0 ) - return m_clientArea->IsRowSelected(row); - return false; -} - -void wxDataViewCtrl::SelectRange( int from, int to ) -{ - wxArrayInt sel; - for( int i = from; i < to; i ++ ) - sel.Add( i ); - m_clientArea->Select(sel); -} - -void wxDataViewCtrl::UnselectRange( int from, int to ) +void wxDataViewCtrl::SetAlternateRowColour(const wxColour& colour) { - wxDataViewSelection sel = m_clientArea->GetSelections(); - for( int i = from; i < to; i ++ ) - if( sel.Index( i ) != wxNOT_FOUND ) - sel.Remove( i ); - m_clientArea->SetSelections(sel); + m_alternateRowColour = colour; } void wxDataViewCtrl::SelectAll() @@ -4238,12 +5204,14 @@ void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataVie } -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); } @@ -4260,16 +5228,24 @@ int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const void wxDataViewCtrl::Expand( const wxDataViewItem & item ) { + ExpandAncestors( item ); + int row = m_clientArea->GetRowByItem( item ); if (row != -1) + { m_clientArea->Expand(row); + InvalidateColBestWidths(); + } } void wxDataViewCtrl::Collapse( const wxDataViewItem & item ) { int row = m_clientArea->GetRowByItem( item ); if (row != -1) + { m_clientArea->Collapse(row); + InvalidateColBestWidths(); + } } bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const @@ -4280,9 +5256,14 @@ bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const return false; } +void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column) +{ + wxCHECK_RET( item.IsOk(), "invalid item" ); + wxCHECK_RET( column, "no column provided" ); + + m_clientArea->StartEditing(item, column); +} -#endif - // !wxUSE_GENERICDATAVIEWCTRL +#endif // !wxUSE_GENERICDATAVIEWCTRL -#endif - // wxUSE_DATAVIEWCTRL +#endif // wxUSE_DATAVIEWCTRL