X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f0ccd2cbfa0b4ac110b81626da5a184b650b1080..853149575e6cb46031b3ed06f3d0fa4c42440962:/src/generic/datavgen.cpp diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp index 02555daa57..68c7d4bd09 100644 --- a/src/generic/datavgen.cpp +++ b/src/generic/datavgen.cpp @@ -48,6 +48,7 @@ #include "wx/imaglist.h" #include "wx/headerctrl.h" #include "wx/dnd.h" +#include "wx/stopwatch.h" //----------------------------------------------------------------------------- // classes @@ -434,7 +435,7 @@ public: 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() { @@ -844,7 +845,8 @@ bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state int flags = 0; if (m_toggle) flags |= wxCONTROL_CHECKED; - if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE) + if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE || + GetEnabled() == false) flags |= wxCONTROL_DISABLED; // check boxes we draw must always have the same, standard size (if it's @@ -867,7 +869,10 @@ void wxDataViewToggleRenderer::WXOnActivate(wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) { - model->ChangeValue(!valueOld.GetBool(), item, col); + if (model->IsEnabled(item, col)) + { + model->ChangeValue(!valueOld.GetBool(), item, col); + } } wxSize wxDataViewToggleRenderer::GetSize() const @@ -1272,7 +1277,7 @@ void wxDataViewRenameTimer::Notify() //----------------------------------------------------------------------------- // The tree building helper, declared firstly -static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, +static void BuildTreeHelper( const wxDataViewModel * model, const wxDataViewItem & item, wxDataViewTreeNode * node); int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 ) @@ -1892,8 +1897,8 @@ bool Walker( wxDataViewTreeNode * node, DoJob & func ) ; } - wxDataViewTreeNodes nodes = node->GetNodes(); - wxDataViewTreeLeaves leaves = node->GetChildren(); + const wxDataViewTreeNodes& nodes = node->GetNodes(); + const wxDataViewTreeLeaves& leaves = node->GetChildren(); int len_nodes = nodes.GetCount(); int len = leaves.GetCount(); @@ -2068,9 +2073,23 @@ bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item) return true; } -bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col ) +bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int model_column ) { - GetOwner()->InvalidateColBestWidth(col); + 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; + + GetOwner()->InvalidateColBestWidth(view_column); // NOTE: to be valid, we cannot use e.g. INT_MAX - 1 /*#define MAX_VIRTUAL_WIDTH 100000 @@ -2090,8 +2109,8 @@ bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned i le.SetEventObject(parent); le.SetModel(GetOwner()->GetModel()); le.SetItem(item); - le.SetColumn(col); - le.SetDataViewColumn(GetOwner()->GetColumn(col)); + le.SetColumn(view_column); + le.SetDataViewColumn(GetOwner()->GetColumn(view_column)); parent->GetEventHandler()->ProcessEvent(le); return true; @@ -2149,6 +2168,8 @@ 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) @@ -2157,6 +2178,8 @@ 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; @@ -2968,28 +2991,26 @@ void wxDataViewMainWindow::Collapse(unsigned int row) wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item ) { - wxDataViewModel * model = GetOwner()->GetModel(); + const wxDataViewModel * model = GetOwner()->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++ ) + wxDataViewTreeNode* node = m_root; + for( unsigned iter = parentChain.size()-1; iter>=0; --iter ) { if( node->HasChildren() ) { @@ -2999,18 +3020,18 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item ::BuildTreeHelper(model, node->GetItem(), node); } - wxDataViewTreeNodes nodes = node->GetNodes(); - unsigned int i; + const wxDataViewTreeNodes& nodes = node->GetNodes(); 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; } @@ -3130,7 +3151,7 @@ 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_) { @@ -3146,7 +3167,7 @@ public: return DoJob::OK; } - if( node->GetItem() == **m_iter ) + if( node->GetItem() == *m_iter ) { m_iter++; return DoJob::CONT; @@ -3172,7 +3193,7 @@ public: { return ret -1; } private: - ItemList::const_iterator m_iter; + wxVector::reverse_iterator m_iter; wxDataViewItem item; int ret; @@ -3193,27 +3214,27 @@ int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const 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, +static void BuildTreeHelper( const wxDataViewModel * model, const wxDataViewItem & item, wxDataViewTreeNode * node) { if( !model->IsContainer( item ) ) @@ -3470,13 +3491,17 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) xpos += c->GetWidth(); } if (!col) + { + event.Skip(); return; + } wxDataViewRenderer *cell = col->GetRenderer(); unsigned int current = GetLineAt( y ); if ((current >= GetRowCount()) || (x > GetEndOfLastCol())) { // Unselect all if below the last row ? + event.Skip(); return; } @@ -3624,6 +3649,8 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) wxWindow *parent = GetParent(); wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId()); le.SetItem( item ); + le.SetColumn( col->GetModelColumn() ); + le.SetDataViewColumn( col ); le.SetEventObject(parent); le.SetModel(GetOwner()->GetModel()); @@ -3694,6 +3721,8 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) wxWindow *parent = GetParent(); wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId()); le.SetItem( item ); + le.SetColumn( col->GetModelColumn() ); + le.SetDataViewColumn( col ); le.SetEventObject(parent); le.SetModel(GetOwner()->GetModel()); le.SetValue(value); @@ -4121,35 +4150,136 @@ unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const if ( m_colsBestWidths[idx] != 0 ) return m_colsBestWidths[idx]; - const unsigned count = m_clientArea->GetRowCount(); + const int count = m_clientArea->GetRowCount(); wxDataViewColumn *column = GetColumn(idx); wxDataViewRenderer *renderer = const_cast(column->GetRenderer()); - int max_width = 0; + class MaxWidthCalculator + { + public: + MaxWidthCalculator(wxDataViewMainWindow *clientArea, + wxDataViewRenderer *renderer, + const wxDataViewModel *model, + unsigned column) + : m_width(0), + m_clientArea(clientArea), + m_renderer(renderer), + m_model(model), + m_column(column) + { + } + + void UpdateWithWidth(int width) + { + m_width = wxMax(m_width, width); + } + + void UpdateWithRow(int row) + { + wxDataViewItem item = m_clientArea->GetItemByRow(row); + m_renderer->PrepareForItem(m_model, item, m_column); + m_width = wxMax(m_width, m_renderer->GetSize().x); + } + + int GetMaxWidth() const { return m_width; } + + private: + int m_width; + wxDataViewMainWindow *m_clientArea; + wxDataViewRenderer *m_renderer; + const wxDataViewModel *m_model; + unsigned m_column; + }; + + MaxWidthCalculator calculator(m_clientArea, renderer, + GetModel(), column->GetModelColumn()); if ( m_headerArea ) { - max_width = m_headerArea->GetTextExtent(column->GetTitle()).x; - + int header_width = m_headerArea->GetTextExtent(column->GetTitle()).x; // Labels on native MSW header are indented on both sides - max_width += wxRendererNative::Get().GetHeaderButtonMargin(m_headerArea); + header_width += + wxRendererNative::Get().GetHeaderButtonMargin(m_headerArea); + calculator.UpdateWithWidth(header_width); + } + + // 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); } - for ( unsigned row = 0; row < count; row++ ) + // row is the first unmeasured item now; that's out value of N/2 + + if ( row < count ) { - wxDataViewItem item = m_clientArea->GetItemByRow(row); + 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); + } - renderer->PrepareForItem(GetModel(), item, column->GetModelColumn()); + // 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); - max_width = (unsigned)wxMax((int)max_width, renderer->GetSize().x); + 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] = max_width; return max_width; + + #undef MEASURE_ITEM } void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col), @@ -4504,7 +4634,8 @@ void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int colu wxRect itemRect = GetItemRect(item, col); wxDataViewRenderer* renderer = col->GetRenderer(); - renderer->StartEditing(item, itemRect); + if (renderer->GetMode() == wxDATAVIEW_CELL_EDITABLE) + renderer->StartEditing(item, itemRect); } #endif // !wxUSE_GENERICDATAVIEWCTRL