X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/670d01778a69731665cbb7c77726f067a1c8ce17..04fa04d8067d235ab45b5bc05b65f0679634b541:/src/generic/grid.cpp diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp index d19952c919..8326934f7f 100644 --- a/src/generic/grid.cpp +++ b/src/generic/grid.cpp @@ -156,6 +156,23 @@ wxDEFINE_EVENT( wxEVT_GRID_EDITOR_SHOWN, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_EDITOR_HIDDEN, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_EDITOR_CREATED, wxGridEditorCreatedEvent ); +// ---------------------------------------------------------------------------- +// private helpers +// ---------------------------------------------------------------------------- + +namespace +{ + + // ensure that first is less or equal to second, swapping the values if + // necessary + void EnsureFirstLessThanSecond(int& first, int& second) + { + if ( first > second ) + wxSwap(first, second); + } + +} // anonymous namespace + // ============================================================================ // implementation // ============================================================================ @@ -170,6 +187,8 @@ END_EVENT_TABLE() BEGIN_EVENT_TABLE(wxGridHeaderCtrl, wxHeaderCtrl) EVT_HEADER_CLICK(wxID_ANY, wxGridHeaderCtrl::OnClick) + EVT_HEADER_DCLICK(wxID_ANY, wxGridHeaderCtrl::OnDoubleClick) + EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxGridHeaderCtrl::OnRightClick) EVT_HEADER_BEGIN_RESIZE(wxID_ANY, wxGridHeaderCtrl::OnBeginResize) EVT_HEADER_RESIZING(wxID_ANY, wxGridHeaderCtrl::OnResizing) @@ -476,6 +495,15 @@ void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const } } +void wxGridCellAttr::GetNonDefaultAlignment(int *hAlign, int *vAlign) const +{ + if ( hAlign && m_hAlign != wxALIGN_INVALID ) + *hAlign = m_hAlign; + + if ( vAlign && m_vAlign != wxALIGN_INVALID ) + *vAlign = m_vAlign; +} + void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const { if ( num_rows ) @@ -1506,9 +1534,8 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols ) // m_colLabels stores just as many elements as it needs, e.g. if only // the label of the first column had been set it would have only one // element and not numCols, so account for it - int nToRm = m_colLabels.size() - colID; - if ( nToRm > 0 ) - m_colLabels.RemoveAt( colID, nToRm ); + int numRemaining = m_colLabels.size() - colID; + m_colLabels.RemoveAt( colID, wxMin(numCols, numRemaining) ); } if ( numCols >= curNumCols ) @@ -1828,58 +1855,6 @@ void wxGridWindow::OnFocus(wxFocusEvent& event) ///////////////////////////////////////////////////////////////////// -#if wxUSE_EXTENDED_RTTI -WX_DEFINE_FLAGS( wxGridStyle ) - -wxBEGIN_FLAGS( wxGridStyle ) - // new style border flags, we put them first to - // use them for streaming out - wxFLAGS_MEMBER(wxBORDER_SIMPLE) - wxFLAGS_MEMBER(wxBORDER_SUNKEN) - wxFLAGS_MEMBER(wxBORDER_DOUBLE) - wxFLAGS_MEMBER(wxBORDER_RAISED) - wxFLAGS_MEMBER(wxBORDER_STATIC) - wxFLAGS_MEMBER(wxBORDER_NONE) - - // old style border flags - wxFLAGS_MEMBER(wxSIMPLE_BORDER) - wxFLAGS_MEMBER(wxSUNKEN_BORDER) - wxFLAGS_MEMBER(wxDOUBLE_BORDER) - wxFLAGS_MEMBER(wxRAISED_BORDER) - wxFLAGS_MEMBER(wxSTATIC_BORDER) - wxFLAGS_MEMBER(wxBORDER) - - // standard window styles - wxFLAGS_MEMBER(wxTAB_TRAVERSAL) - wxFLAGS_MEMBER(wxCLIP_CHILDREN) - wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) - wxFLAGS_MEMBER(wxWANTS_CHARS) - wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) - wxFLAGS_MEMBER(wxALWAYS_SHOW_SB) - wxFLAGS_MEMBER(wxVSCROLL) - wxFLAGS_MEMBER(wxHSCROLL) - -wxEND_FLAGS( wxGridStyle ) - -IMPLEMENT_DYNAMIC_CLASS_XTI(wxGrid, wxScrolledWindow,"wx/grid.h") - -wxBEGIN_PROPERTIES_TABLE(wxGrid) - wxHIDE_PROPERTY( Children ) - wxPROPERTY_FLAGS( WindowStyle , wxGridStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style -wxEND_PROPERTIES_TABLE() - -wxBEGIN_HANDLERS_TABLE(wxGrid) -wxEND_HANDLERS_TABLE() - -wxCONSTRUCTOR_5( wxGrid , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) - -/* - TODO : Expose more information of a list's layout, etc. via appropriate objects (e.g., NotebookPageInfo) -*/ -#else -IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow ) -#endif - BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow ) EVT_PAINT( wxGrid::OnPaint ) EVT_SIZE( wxGrid::OnSize ) @@ -1902,7 +1877,6 @@ bool wxGrid::Create(wxWindow *parent, wxWindowID id, Create(); SetInitialSize(size); - SetScrollRate(m_scrollLineX, m_scrollLineY); CalcDimensions(); return true; @@ -2091,8 +2065,7 @@ wxGrid::SetTable(wxGridTableBase *table, m_table = NULL; } - delete m_selection; - m_selection = NULL; + wxDELETE(m_selection); m_ownTable = false; m_numRows = 0; @@ -2241,8 +2214,11 @@ void wxGrid::Init() m_extraWidth = m_extraHeight = 0; - m_scrollLineX = GRID_SCROLL_LINE_X; - m_scrollLineY = GRID_SCROLL_LINE_Y; + // we can't call SetScrollRate() as the window isn't created yet but OTOH + // we don't need to call it neither as the scroll position is (0, 0) right + // now anyhow, so just set the parameters directly + m_xScrollPixelsPerLine = GRID_SCROLL_LINE_X; + m_yScrollPixelsPerLine = GRID_SCROLL_LINE_Y; } // ---------------------------------------------------------------------------- @@ -3092,7 +3068,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event ) ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow()); m_dragLastPos = -1; } - else // not on row separator or it's not resizeable + else // not on row separator or it's not resizable { row = YToRow(y); if ( row >=0 && @@ -3460,7 +3436,34 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event ) } else { - DoEndMoveCol(XToPos(x)); + // get the position of the column we're over + int pos = XToPos(x); + + // we may need to adjust the drop position but don't bother + // checking for it if we can't anyhow + if ( pos > 1 ) + { + // also find the index of the column we're over: notice + // that the existing "col" variable may be invalid but + // we need a valid one here + const int colValid = GetColAt(pos); + + // if we're on the "near" (usually left but right in + // RTL case) part of the column, the actual position we + // should be placed in is actually the one before it + bool onNearPart; + const int middle = GetColLeft(colValid) + + GetColWidth(colValid)/2; + if ( GetLayoutDirection() == wxLayout_LeftToRight ) + onNearPart = (x <= middle); + else // wxLayout_RightToLeft + onNearPart = (x > middle); + + if ( onNearPart ) + pos--; + } + + DoEndMoveCol(pos); } break; @@ -3573,7 +3576,7 @@ void wxGrid::ChangeCursorMode(CursorMode mode, bool captureMouse) { #if wxUSE_LOG_TRACE - static const wxChar *cursorModes[] = + static const wxChar *const cursorModes[] = { wxT("SELECT_CELL"), wxT("RESIZE_ROW"), @@ -3756,6 +3759,8 @@ void wxGrid::DoGridDragEvent(wxMouseEvent& event, const wxGridCellCoords& coords if ( isFirstDrag ) { + wxASSERT_MSG( !m_winCapture, "shouldn't capture the mouse twice" ); + m_winCapture = m_gridWin; m_winCapture->CaptureMouse(); } @@ -3801,6 +3806,29 @@ wxGrid::DoGridCellLeftDown(wxMouseEvent& event, } else { + if ( m_selection ) + { + // In row or column selection mode just clicking on the cell + // should select the row or column containing it: this is more + // convenient for the kinds of controls that use such selection + // mode and is compatible with 2.8 behaviour (see #12062). + switch ( m_selection->GetSelectionMode() ) + { + case wxGridSelectCells: + case wxGridSelectRowsOrColumns: + // nothing to do in these cases + break; + + case wxGridSelectRows: + m_selection->SelectRow(coords.GetRow()); + break; + + case wxGridSelectColumns: + m_selection->SelectCol(coords.GetCol()); + break; + } + } + m_waitForSlowClick = m_currentCellCoords == coords && coords != wxGridNoCellCoords; SetCurrentCell( coords ); @@ -3935,6 +3963,14 @@ wxGrid::DoGridMouseMoveEvent(wxMouseEvent& WXUNUSED(event), void wxGrid::ProcessGridCellMouseEvent(wxMouseEvent& event) { + if ( event.Entering() || event.Leaving() ) + { + // we don't care about these events but we must not reset m_isDragging + // if they happen so return before anything else is done + event.Skip(); + return; + } + const wxPoint pos = CalcUnscrolledPosition(event.GetPosition()); // coordinates of the cell under mouse @@ -3960,17 +3996,6 @@ void wxGrid::ProcessGridCellMouseEvent(wxMouseEvent& event) m_isDragging = false; m_startDragPos = wxDefaultPosition; - // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL - // immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under - // wxGTK -#if 0 - if ( event.Entering() || event.Leaving() ) - { - ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL); - m_gridWin->SetCursor( *wxSTANDARD_CURSOR ); - } -#endif // 0 - // deal with various button presses if ( event.IsButton() ) { @@ -4071,13 +4096,13 @@ bool wxGrid::DoEndDragResizeLine(const wxGridOperations& oper) oper.SelectSize(rect) = oper.Select(size); int subtractLines = 0; - const int lineStart = oper.PosToLine(this, posLineStart); + const int lineStart = doper.PosToLine(this, posLineStart); if ( lineStart >= 0 ) { // ensure that if we have a multi-cell block we redraw all of // it by increasing the refresh area to cover it entirely if a // part of it is affected - const int lineEnd = oper.PosToLine(this, posLineEnd, true); + const int lineEnd = doper.PosToLine(this, posLineEnd, true); for ( int line = lineStart; line < lineEnd; line++ ) { int cellLines = oper.Select( @@ -4612,25 +4637,15 @@ void wxGrid::OnKeyDown( wxKeyEvent& event ) break; case WXK_HOME: - if ( event.ControlDown() ) - { - GoToCell(0, 0); - } - else - { - event.Skip(); - } + GoToCell(event.ControlDown() ? 0 + : m_currentCellCoords.GetRow(), + 0); break; case WXK_END: - if ( event.ControlDown() ) - { - GoToCell(m_numRows - 1, m_numCols - 1); - } - else - { - event.Skip(); - } + GoToCell(event.ControlDown() ? m_numRows - 1 + : m_currentCellCoords.GetRow(), + m_numCols - 1); break; case WXK_PAGEUP: @@ -4808,6 +4823,9 @@ void wxGrid::UpdateBlockBeingSelected(int topRow, int leftCol, int bottomRow, int rightCol) { + MakeCellVisible(m_selectedBlockCorner); + m_selectedBlockCorner = wxGridCellCoords(bottomRow, rightCol); + if ( m_selection ) { switch ( m_selection->GetSelectionMode() ) @@ -4844,9 +4862,6 @@ wxGrid::UpdateBlockBeingSelected(int topRow, int leftCol, } } - m_selectedBlockCorner = wxGridCellCoords(bottomRow, rightCol); - MakeCellVisible(m_selectedBlockCorner); - EnsureFirstLessThanSecond(topRow, bottomRow); EnsureFirstLessThanSecond(leftCol, rightCol); @@ -5443,9 +5458,15 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row ) wxGridCellAttrProvider * const attrProvider = m_table ? m_table->GetAttrProvider() : NULL; + + // notice that an explicit static_cast is needed to avoid a compilation + // error with VC7.1 which, for some reason, tries to instantiate (abstract) + // wxGridRowHeaderRenderer class without it const wxGridRowHeaderRenderer& rend = attrProvider ? attrProvider->GetRowHeaderRenderer(row) - : gs_defaultHeaderRenderers.rowRenderer; + : static_cast + (gs_defaultHeaderRenderers.rowRenderer); + wxRect rect(0, GetRowTop(row), m_rowLabelWidth, GetRowHeight(row)); rend.DrawBorder(*this, dc, rect); @@ -5518,7 +5539,8 @@ void wxGrid::DrawCornerLabel(wxDC& dc) attrProvider = m_table ? m_table->GetAttrProvider() : NULL; const wxGridCornerHeaderRenderer& rend = attrProvider ? attrProvider->GetCornerRenderer() - : gs_defaultHeaderRenderers.cornerRenderer; + : static_cast + (gs_defaultHeaderRenderers.cornerRenderer); rend.DrawBorder(*this, dc, rect); } @@ -5536,7 +5558,8 @@ void wxGrid::DrawColLabel(wxDC& dc, int col) attrProvider = m_table ? m_table->GetAttrProvider() : NULL; const wxGridColumnHeaderRenderer& rend = attrProvider ? attrProvider->GetColumnHeaderRenderer(col) - : gs_defaultHeaderRenderers.colRenderer; + : static_cast + (gs_defaultHeaderRenderers.colRenderer); if ( m_nativeColumnLabels ) { @@ -5556,6 +5579,11 @@ void wxGrid::DrawColLabel(wxDC& dc, int col) } else { + // It is reported that we need to erase the background to avoid display + // artefacts, see #12055. + wxDCBrushChanger setBrush(dc, m_colWindow->GetBackgroundColour()); + dc.DrawRectangle(rect); + rend.DrawBorder(*this, dc, rect); } @@ -5828,8 +5856,8 @@ void wxGrid::EnableCellEditControl( bool enable ) bool wxGrid::IsCurrentCellReadOnly() const { - // const_cast - wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords); + wxGridCellAttr* + attr = const_cast(this)->GetCellAttr(m_currentCellCoords); bool readonly = attr->IsReadOnly(); attr->DecRef(); @@ -6217,7 +6245,9 @@ int wxGrid::PosToEdgeOfLine(int pos, const wxGridOperations& oper) const else if ( line > 0 && pos - oper.GetLineStartPos(this, line) < WXGRID_LABEL_EDGE_ZONE ) - return line - 1; + { + return oper.GetLineBefore(this, line); + } } return -1; @@ -6345,7 +6375,7 @@ void wxGrid::MakeCellVisible( int row, int col ) // // Sometimes GRID_SCROLL_LINE / 2 is not enough, // so just add a full scroll unit... - ypos += m_scrollLineY; + ypos += m_yScrollPixelsPerLine; } // special handling for wide cells - show always left part of the cell! @@ -6364,15 +6394,15 @@ void wxGrid::MakeCellVisible( int row, int col ) xpos = x0 + (right - cw); // see comment for ypos above - xpos += m_scrollLineX; + xpos += m_xScrollPixelsPerLine; } if ( xpos != -1 || ypos != -1 ) { if ( xpos != -1 ) - xpos /= m_scrollLineX; + xpos /= m_xScrollPixelsPerLine; if ( ypos != -1 ) - ypos /= m_scrollLineY; + ypos /= m_yScrollPixelsPerLine; Scroll( xpos, ypos ); AdjustScrollbars(); } @@ -6887,7 +6917,7 @@ void wxGrid::SetCellHighlightPenWidth(int width) m_cellHighlightPenWidth = width; // Just redrawing the cell highlight is not enough since that won't - // make any visible change if the the thickness is getting smaller. + // make any visible change if the thickness is getting smaller. int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); if ( row == -1 || col == -1 || GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 ) @@ -6905,7 +6935,7 @@ void wxGrid::SetCellHighlightROPenWidth(int width) m_cellHighlightROPenWidth = width; // Just redrawing the cell highlight is not enough since that won't - // make any visible change if the the thickness is getting smaller. + // make any visible change if the thickness is getting smaller. int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); if ( row == -1 || col == -1 || @@ -7122,11 +7152,21 @@ bool wxGrid::GetCellOverflow( int row, int col ) const return allow; } -void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols ) const +wxGrid::CellSpan +wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols ) const { wxGridCellAttr *attr = GetCellAttr(row, col); attr->GetSize( num_rows, num_cols ); attr->DecRef(); + + if ( *num_rows == 1 && *num_cols == 1 ) + return CellSpan_None; // just a normal cell + + if ( *num_rows < 0 || *num_cols < 0 ) + return CellSpan_Inside; // covered by a multi-span cell + + // this cell spans multiple cells to its right/bottom + return CellSpan_Main; } wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col) const @@ -7185,11 +7225,18 @@ void wxGrid::ClearAttrCache() } } +void wxGrid::RefreshAttr(int row, int col) +{ + if ( m_attrCache.row == row && m_attrCache.col == col ) + ClearAttrCache(); +} + + void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const { if ( attr != NULL ) { - wxGrid *self = (wxGrid *)this; // const_cast + wxGrid * const self = const_cast(this); self->ClearAttrCache(); self->m_attrCache.row = row; @@ -7785,13 +7832,20 @@ wxGrid::AutoSizeColOrRow(int colOrRow, bool setAsMin, wxGridDirection direction) HideCellEditControl(); SaveEditControlValue(); - // init both of them to avoid compiler warnings, even if we only need one - int row = -1, - col = -1; + // initialize both of them just to avoid compiler warnings even if only + // really needs to be initialized here + int row, + col; if ( column ) + { + row = -1; col = colOrRow; + } else + { row = colOrRow; + col = -1; + } wxCoord extent, extentMax = 0; int max = column ? m_numRows : m_numCols; @@ -7802,12 +7856,41 @@ wxGrid::AutoSizeColOrRow(int colOrRow, bool setAsMin, wxGridDirection direction) else col = rowOrCol; + // we need to account for the cells spanning multiple columns/rows: + // while they may need a lot of space, they don't need all of it in + // this column/row + int numRows, numCols; + const CellSpan span = GetCellSize(row, col, &numRows, &numCols); + if ( span == CellSpan_Inside ) + { + // we need to get the size of the main cell, not of a cell hidden + // by it + row += numRows; + col += numCols; + + // get the size of the main cell too + GetCellSize(row, col, &numRows, &numCols); + } + wxGridCellAttr *attr = GetCellAttr(row, col); wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col); if ( renderer ) { wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col); extent = column ? size.x : size.y; + + if ( span != CellSpan_None ) + { + // we spread the size of a spanning cell over all the cells it + // covers evenly -- this is probably not ideal but we can't + // really do much better here + // + // notice that numCols and numRows are never 0 as they + // correspond to the size of the main cell of the span and not + // of the cell inside it + extent /= column ? numCols : numRows; + } + if ( extent > extentMax ) extentMax = extent; @@ -8009,10 +8092,8 @@ void wxGrid::AutoSize() // we know that we're not going to have scrollbars so disable them now to // avoid trouble in SetClientSize() which can otherwise set the correct // client size but also leave space for (not needed any more) scrollbars - SetScrollbars(0, 0, 0, 0, 0, 0, true); - - // restore the scroll rate parameters overwritten by SetScrollbars() - SetScrollRate(m_scrollLineX, m_scrollLineY); + SetScrollbars(m_xScrollPixelsPerLine, m_yScrollPixelsPerLine, + 0, 0, 0, 0, true); SetClientSize(size.x + m_rowLabelWidth, size.y + m_colLabelHeight); } @@ -8049,7 +8130,7 @@ void wxGrid::AutoSizeColLabelSize( int col ) wxSize wxGrid::DoGetBestSize() const { - wxGrid *self = (wxGrid *)this; // const_cast + wxGrid * const self = const_cast(this); // we do the same as in AutoSize() here with the exception that we don't // change the column/row sizes, only calculate them