-/////////////////////////////////////////////////////////////////////////////
-// Name: wx/generic/private/grid.h
-// Purpose: Private wxGrid structures
-// Author: Michael Bedward (based on code by Julian Smart, Robin Dunn)
-// Modified by: Santiago Palacios
-// Created: 1/08/1999
-// RCS-ID: $Id$
-// Copyright: (c) Michael Bedward
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-#ifndef _WX_GENERIC_GRID_PRIVATE_H_
-#define _WX_GENERIC_GRID_PRIVATE_H_
-
-#include "wx/defs.h"
-
-#if wxUSE_GRID
-
-// ----------------------------------------------------------------------------
-// array classes
-// ----------------------------------------------------------------------------
-
-WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridCellAttr *, wxArrayAttrs,
- class WXDLLIMPEXP_ADV);
-
-struct wxGridCellWithAttr
-{
- wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
- : coords(row, col), attr(attr_)
- {
- wxASSERT( attr );
- }
-
- wxGridCellWithAttr(const wxGridCellWithAttr& other)
- : coords(other.coords),
- attr(other.attr)
- {
- attr->IncRef();
- }
-
- wxGridCellWithAttr& operator=(const wxGridCellWithAttr& other)
- {
- coords = other.coords;
- if (attr != other.attr)
- {
- attr->DecRef();
- attr = other.attr;
- attr->IncRef();
- }
- return *this;
- }
-
- void ChangeAttr(wxGridCellAttr* new_attr)
- {
- if (attr != new_attr)
- {
- // "Delete" (i.e. DecRef) the old attribute.
- attr->DecRef();
- attr = new_attr;
- // Take ownership of the new attribute, i.e. no IncRef.
- }
- }
-
- ~wxGridCellWithAttr()
- {
- attr->DecRef();
- }
-
- wxGridCellCoords coords;
- wxGridCellAttr *attr;
-};
-
-WX_DECLARE_OBJARRAY_WITH_DECL(wxGridCellWithAttr, wxGridCellWithAttrArray,
- class WXDLLIMPEXP_ADV);
-
-
-// ----------------------------------------------------------------------------
-// private classes
-// ----------------------------------------------------------------------------
-
-// header column providing access to the column information stored in wxGrid
-// via wxHeaderColumn interface
-class wxGridHeaderColumn : public wxHeaderColumn
-{
-public:
- wxGridHeaderColumn(wxGrid *grid, int col)
- : m_grid(grid),
- m_col(col)
- {
- }
-
- virtual wxString GetTitle() const { return m_grid->GetColLabelValue(m_col); }
- virtual wxBitmap GetBitmap() const { return wxNullBitmap; }
- virtual int GetWidth() const { return m_grid->GetColSize(m_col); }
- virtual int GetMinWidth() const { return 0; }
- virtual wxAlignment GetAlignment() const
- {
- int horz,
- vert;
- m_grid->GetColLabelAlignment(&horz, &vert);
-
- return static_cast<wxAlignment>(horz);
- }
-
- virtual int GetFlags() const
- {
- // we can't know in advance whether we can sort by this column or not
- // with wxGrid API so suppose we can by default
- int flags = wxCOL_SORTABLE;
- if ( m_grid->CanDragColSize() )
- flags |= wxCOL_RESIZABLE;
- if ( m_grid->CanDragColMove() )
- flags |= wxCOL_REORDERABLE;
- if ( GetWidth() == 0 )
- flags |= wxCOL_HIDDEN;
-
- return flags;
- }
-
- virtual bool IsSortKey() const
- {
- return m_grid->IsSortingBy(m_col);
- }
-
- virtual bool IsSortOrderAscending() const
- {
- return m_grid->IsSortOrderAscending();
- }
-
-private:
- // these really should be const but are not because the column needs to be
- // assignable to be used in a wxVector (in STL build, in non-STL build we
- // avoid the need for this)
- wxGrid *m_grid;
- int m_col;
-};
-
-// header control retreiving column information from the grid
-class wxGridHeaderCtrl : public wxHeaderCtrl
-{
-public:
- wxGridHeaderCtrl(wxGrid *owner)
- : wxHeaderCtrl(owner,
- wxID_ANY,
- wxDefaultPosition,
- wxDefaultSize,
- wxHD_ALLOW_HIDE |
- (owner->CanDragColMove() ? wxHD_ALLOW_REORDER : 0))
- {
- }
-
-protected:
- virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
- {
- return m_columns[idx];
- }
-
-private:
- wxGrid *GetOwner() const { return static_cast<wxGrid *>(GetParent()); }
-
- // override the base class method to update our m_columns array
- virtual void OnColumnCountChanging(unsigned int count)
- {
- const unsigned countOld = m_columns.size();
- if ( count < countOld )
- {
- // just discard the columns which don't exist any more (notice that
- // we can't use resize() here as it would require the vector
- // value_type, i.e. wxGridHeaderColumn to be default constructible,
- // which it is not)
- m_columns.erase(m_columns.begin() + count, m_columns.end());
- }
- else // new columns added
- {
- // add columns for the new elements
- for ( unsigned n = countOld; n < count; n++ )
- m_columns.push_back(wxGridHeaderColumn(GetOwner(), n));
- }
- }
-
- // override to implement column auto sizing
- virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
- {
- // TODO: currently grid doesn't support computing the column best width
- // from its contents so we just use the best label width as is
- GetOwner()->SetColSize(idx, widthTitle);
-
- return true;
- }
-
- // overridden to react to the actions using the columns popup menu
- virtual void UpdateColumnVisibility(unsigned int idx, bool show)
- {
- GetOwner()->SetColSize(idx, show ? wxGRID_AUTOSIZE : 0);
-
- // as this is done by the user we should notify the main program about
- // it
- GetOwner()->SendEvent(wxEVT_GRID_COL_SIZE, -1, idx);
- }
-
- // overridden to react to the columns order changes in the customization
- // dialog
- virtual void UpdateColumnsOrder(const wxArrayInt& order)
- {
- GetOwner()->SetColumnsOrder(order);
- }
-
-
- // event handlers forwarding wxHeaderCtrl events to wxGrid
- void OnClick(wxHeaderCtrlEvent& event)
- {
- GetOwner()->DoColHeaderClick(event.GetColumn());
- }
-
- void OnBeginResize(wxHeaderCtrlEvent& event)
- {
- GetOwner()->DoStartResizeCol(event.GetColumn());
-
- event.Skip();
- }
-
- void OnResizing(wxHeaderCtrlEvent& event)
- {
- GetOwner()->DoUpdateResizeColWidth(event.GetWidth());
- }
-
- void OnEndResize(wxHeaderCtrlEvent& event)
- {
- GetOwner()->DoEndDragResizeCol();
-
- event.Skip();
- }
-
- void OnBeginReorder(wxHeaderCtrlEvent& event)
- {
- GetOwner()->DoStartMoveCol(event.GetColumn());
- }
-
- void OnEndReorder(wxHeaderCtrlEvent& event)
- {
- GetOwner()->DoEndMoveCol(event.GetNewOrder());
- }
-
- wxVector<wxGridHeaderColumn> m_columns;
-
- DECLARE_EVENT_TABLE()
- wxDECLARE_NO_COPY_CLASS(wxGridHeaderCtrl);
-};
-
-// common base class for various grid subwindows
-class WXDLLIMPEXP_ADV wxGridSubwindow : public wxWindow
-{
-public:
- wxGridSubwindow(wxGrid *owner,
- int additionalStyle = 0,
- const wxString& name = wxPanelNameStr)
- : wxWindow(owner, wxID_ANY,
- wxDefaultPosition, wxDefaultSize,
- wxBORDER_NONE | additionalStyle,
- name)
- {
- m_owner = owner;
- }
-
- virtual bool AcceptsFocus() const { return false; }
-
- wxGrid *GetOwner() { return m_owner; }
-
-protected:
- void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);
-
- wxGrid *m_owner;
-
- DECLARE_EVENT_TABLE()
- wxDECLARE_NO_COPY_CLASS(wxGridSubwindow);
-};
-
-class WXDLLIMPEXP_ADV wxGridRowLabelWindow : public wxGridSubwindow
-{
-public:
- wxGridRowLabelWindow(wxGrid *parent)
- : wxGridSubwindow(parent)
- {
- }
-
-
-private:
- void OnPaint( wxPaintEvent& event );
- void OnMouseEvent( wxMouseEvent& event );
- void OnMouseWheel( wxMouseEvent& event );
-
- DECLARE_EVENT_TABLE()
- wxDECLARE_NO_COPY_CLASS(wxGridRowLabelWindow);
-};
-
-
-class WXDLLIMPEXP_ADV wxGridColLabelWindow : public wxGridSubwindow
-{
-public:
- wxGridColLabelWindow(wxGrid *parent)
- : wxGridSubwindow(parent)
- {
- }
-
-
-private:
- void OnPaint( wxPaintEvent& event );
- void OnMouseEvent( wxMouseEvent& event );
- void OnMouseWheel( wxMouseEvent& event );
-
- DECLARE_EVENT_TABLE()
- wxDECLARE_NO_COPY_CLASS(wxGridColLabelWindow);
-};
-
-
-class WXDLLIMPEXP_ADV wxGridCornerLabelWindow : public wxGridSubwindow
-{
-public:
- wxGridCornerLabelWindow(wxGrid *parent)
- : wxGridSubwindow(parent)
- {
- }
-
-private:
- void OnMouseEvent( wxMouseEvent& event );
- void OnMouseWheel( wxMouseEvent& event );
- void OnPaint( wxPaintEvent& event );
-
- DECLARE_EVENT_TABLE()
- wxDECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow);
-};
-
-class WXDLLIMPEXP_ADV wxGridWindow : public wxGridSubwindow
-{
-public:
- wxGridWindow(wxGrid *parent)
- : wxGridSubwindow(parent,
- wxWANTS_CHARS | wxCLIP_CHILDREN,
- "GridWindow")
- {
- }
-
-
- virtual void ScrollWindow( int dx, int dy, const wxRect *rect );
-
- virtual bool AcceptsFocus() const { return true; }
-
-private:
- void OnPaint( wxPaintEvent &event );
- void OnMouseWheel( wxMouseEvent& event );
- void OnMouseEvent( wxMouseEvent& event );
- void OnKeyDown( wxKeyEvent& );
- void OnKeyUp( wxKeyEvent& );
- void OnChar( wxKeyEvent& );
- void OnEraseBackground( wxEraseEvent& );
- void OnFocus( wxFocusEvent& );
-
- DECLARE_EVENT_TABLE()
- wxDECLARE_NO_COPY_CLASS(wxGridWindow);
-};
-
-// ----------------------------------------------------------------------------
-// the internal data representation used by wxGridCellAttrProvider
-// ----------------------------------------------------------------------------
-
-// this class stores attributes set for cells
-class WXDLLIMPEXP_ADV wxGridCellAttrData
-{
-public:
- void SetAttr(wxGridCellAttr *attr, int row, int col);
- wxGridCellAttr *GetAttr(int row, int col) const;
- void UpdateAttrRows( size_t pos, int numRows );
- void UpdateAttrCols( size_t pos, int numCols );
-
-private:
- // searches for the attr for given cell, returns wxNOT_FOUND if not found
- int FindIndex(int row, int col) const;
-
- wxGridCellWithAttrArray m_attrs;
-};
-
-// this class stores attributes set for rows or columns
-class WXDLLIMPEXP_ADV wxGridRowOrColAttrData
-{
-public:
- // empty ctor to suppress warnings
- wxGridRowOrColAttrData() {}
- ~wxGridRowOrColAttrData();
-
- void SetAttr(wxGridCellAttr *attr, int rowOrCol);
- wxGridCellAttr *GetAttr(int rowOrCol) const;
- void UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols );
-
-private:
- wxArrayInt m_rowsOrCols;
- wxArrayAttrs m_attrs;
-};
-
-// NB: this is just a wrapper around 3 objects: one which stores cell
-// attributes, and 2 others for row/col ones
-class WXDLLIMPEXP_ADV wxGridCellAttrProviderData
-{
-public:
- wxGridCellAttrData m_cellAttrs;
- wxGridRowOrColAttrData m_rowAttrs,
- m_colAttrs;
-};
-
-// ----------------------------------------------------------------------------
-// operations classes abstracting the difference between operating on rows and
-// columns
-// ----------------------------------------------------------------------------
-
-// This class allows to write a function only once because by using its methods
-// it will apply to both columns and rows.
-//
-// This is an abstract interface definition, the two concrete implementations
-// below should be used when working with rows and columns respectively.
-class wxGridOperations
-{
-public:
- // Returns the operations in the other direction, i.e. wxGridRowOperations
- // if this object is a wxGridColumnOperations and vice versa.
- virtual wxGridOperations& Dual() const = 0;
-
- // Return the number of rows or columns.
- virtual int GetNumberOfLines(const wxGrid *grid) const = 0;
-
- // Return the selection mode which allows selecting rows or columns.
- virtual wxGrid::wxGridSelectionModes GetSelectionMode() const = 0;
-
- // Make a wxGridCellCoords from the given components: thisDir is row or
- // column and otherDir is column or row
- virtual wxGridCellCoords MakeCoords(int thisDir, int otherDir) const = 0;
-
- // Calculate the scrolled position of the given abscissa or ordinate.
- virtual int CalcScrolledPosition(wxGrid *grid, int pos) const = 0;
-
- // Selects the horizontal or vertical component from the given object.
- virtual int Select(const wxGridCellCoords& coords) const = 0;
- virtual int Select(const wxPoint& pt) const = 0;
- virtual int Select(const wxSize& sz) const = 0;
- virtual int Select(const wxRect& r) const = 0;
- virtual int& Select(wxRect& r) const = 0;
-
- // Returns width or height of the rectangle
- virtual int& SelectSize(wxRect& r) const = 0;
-
- // Make a wxSize such that Select() applied to it returns first component
- virtual wxSize MakeSize(int first, int second) const = 0;
-
- // Sets the row or column component of the given cell coordinates
- virtual void Set(wxGridCellCoords& coords, int line) const = 0;
-
-
- // Draws a line parallel to the row or column, i.e. horizontal or vertical:
- // pos is the horizontal or vertical position of the line and start and end
- // are the coordinates of the line extremities in the other direction
- virtual void
- DrawParallelLine(wxDC& dc, int start, int end, int pos) const = 0;
-
- // Draw a horizontal or vertical line across the given rectangle
- // (this is implemented in terms of above and uses Select() to extract
- // start and end from the given rectangle)
- void DrawParallelLineInRect(wxDC& dc, const wxRect& rect, int pos) const
- {
- const int posStart = Select(rect.GetPosition());
- DrawParallelLine(dc, posStart, posStart + Select(rect.GetSize()), pos);
- }
-
-
- // Return the index of the row or column at the given pixel coordinate.
- virtual int
- PosToLine(const wxGrid *grid, int pos, bool clip = false) const = 0;
-
- // Get the top/left position, in pixels, of the given row or column
- virtual int GetLineStartPos(const wxGrid *grid, int line) const = 0;
-
- // Get the bottom/right position, in pixels, of the given row or column
- virtual int GetLineEndPos(const wxGrid *grid, int line) const = 0;
-
- // Get the height/width of the given row/column
- virtual int GetLineSize(const wxGrid *grid, int line) const = 0;
-
- // Get wxGrid::m_rowBottoms/m_colRights array
- virtual const wxArrayInt& GetLineEnds(const wxGrid *grid) const = 0;
-
- // Get default height row height or column width
- virtual int GetDefaultLineSize(const wxGrid *grid) const = 0;
-
- // Return the minimal acceptable row height or column width
- virtual int GetMinimalAcceptableLineSize(const wxGrid *grid) const = 0;
-
- // Return the minimal row height or column width
- virtual int GetMinimalLineSize(const wxGrid *grid, int line) const = 0;
-
- // Set the row height or column width
- virtual void SetLineSize(wxGrid *grid, int line, int size) const = 0;
-
- // True if rows/columns can be resized by user
- virtual bool CanResizeLines(const wxGrid *grid) const = 0;
-
-
- // Return the index of the line at the given position
- //
- // NB: currently this is always identity for the rows as reordering is only
- // implemented for the lines
- virtual int GetLineAt(const wxGrid *grid, int line) const = 0;
-
-
- // Get the row or column label window
- virtual wxWindow *GetHeaderWindow(wxGrid *grid) const = 0;
-
- // Get the width or height of the row or column label window
- virtual int GetHeaderWindowSize(wxGrid *grid) const = 0;
-
-
- // This class is never used polymorphically but give it a virtual dtor
- // anyhow to suppress g++ complaints about it
- virtual ~wxGridOperations() { }
-};
-
-class wxGridRowOperations : public wxGridOperations
-{
-public:
- virtual wxGridOperations& Dual() const;
-
- virtual int GetNumberOfLines(const wxGrid *grid) const
- { return grid->GetNumberRows(); }
-
- virtual wxGrid::wxGridSelectionModes GetSelectionMode() const
- { return wxGrid::wxGridSelectRows; }
-
- virtual wxGridCellCoords MakeCoords(int thisDir, int otherDir) const
- { return wxGridCellCoords(thisDir, otherDir); }
-
- virtual int CalcScrolledPosition(wxGrid *grid, int pos) const
- { return grid->CalcScrolledPosition(wxPoint(pos, 0)).x; }
-
- virtual int Select(const wxGridCellCoords& c) const { return c.GetRow(); }
- virtual int Select(const wxPoint& pt) const { return pt.x; }
- virtual int Select(const wxSize& sz) const { return sz.x; }
- virtual int Select(const wxRect& r) const { return r.x; }
- virtual int& Select(wxRect& r) const { return r.x; }
- virtual int& SelectSize(wxRect& r) const { return r.width; }
- virtual wxSize MakeSize(int first, int second) const
- { return wxSize(first, second); }
- virtual void Set(wxGridCellCoords& coords, int line) const
- { coords.SetRow(line); }
-
- virtual void DrawParallelLine(wxDC& dc, int start, int end, int pos) const
- { dc.DrawLine(start, pos, end, pos); }
-
- virtual int PosToLine(const wxGrid *grid, int pos, bool clip = false) const
- { return grid->YToRow(pos, clip); }
- virtual int GetLineStartPos(const wxGrid *grid, int line) const
- { return grid->GetRowTop(line); }
- virtual int GetLineEndPos(const wxGrid *grid, int line) const
- { return grid->GetRowBottom(line); }
- virtual int GetLineSize(const wxGrid *grid, int line) const
- { return grid->GetRowHeight(line); }
- virtual const wxArrayInt& GetLineEnds(const wxGrid *grid) const
- { return grid->m_rowBottoms; }
- virtual int GetDefaultLineSize(const wxGrid *grid) const
- { return grid->GetDefaultRowSize(); }
- virtual int GetMinimalAcceptableLineSize(const wxGrid *grid) const
- { return grid->GetRowMinimalAcceptableHeight(); }
- virtual int GetMinimalLineSize(const wxGrid *grid, int line) const
- { return grid->GetRowMinimalHeight(line); }
- virtual void SetLineSize(wxGrid *grid, int line, int size) const
- { grid->SetRowSize(line, size); }
- virtual bool CanResizeLines(const wxGrid *grid) const
- { return grid->CanDragRowSize(); }
-
- virtual int GetLineAt(const wxGrid * WXUNUSED(grid), int line) const
- { return line; } // TODO: implement row reordering
-
- virtual wxWindow *GetHeaderWindow(wxGrid *grid) const
- { return grid->GetGridRowLabelWindow(); }
- virtual int GetHeaderWindowSize(wxGrid *grid) const
- { return grid->GetRowLabelSize(); }
-};
-
-class wxGridColumnOperations : public wxGridOperations
-{
-public:
- virtual wxGridOperations& Dual() const;
-
- virtual int GetNumberOfLines(const wxGrid *grid) const
- { return grid->GetNumberCols(); }
-
- virtual wxGrid::wxGridSelectionModes GetSelectionMode() const
- { return wxGrid::wxGridSelectColumns; }
-
- virtual wxGridCellCoords MakeCoords(int thisDir, int otherDir) const
- { return wxGridCellCoords(otherDir, thisDir); }
-
- virtual int CalcScrolledPosition(wxGrid *grid, int pos) const
- { return grid->CalcScrolledPosition(wxPoint(0, pos)).y; }
-
- virtual int Select(const wxGridCellCoords& c) const { return c.GetCol(); }
- virtual int Select(const wxPoint& pt) const { return pt.y; }
- virtual int Select(const wxSize& sz) const { return sz.y; }
- virtual int Select(const wxRect& r) const { return r.y; }
- virtual int& Select(wxRect& r) const { return r.y; }
- virtual int& SelectSize(wxRect& r) const { return r.height; }
- virtual wxSize MakeSize(int first, int second) const
- { return wxSize(second, first); }
- virtual void Set(wxGridCellCoords& coords, int line) const
- { coords.SetCol(line); }
-
- virtual void DrawParallelLine(wxDC& dc, int start, int end, int pos) const
- { dc.DrawLine(pos, start, pos, end); }
-
- virtual int PosToLine(const wxGrid *grid, int pos, bool clip = false) const
- { return grid->XToCol(pos, clip); }
- virtual int GetLineStartPos(const wxGrid *grid, int line) const
- { return grid->GetColLeft(line); }
- virtual int GetLineEndPos(const wxGrid *grid, int line) const
- { return grid->GetColRight(line); }
- virtual int GetLineSize(const wxGrid *grid, int line) const
- { return grid->GetColWidth(line); }
- virtual const wxArrayInt& GetLineEnds(const wxGrid *grid) const
- { return grid->m_colRights; }
- virtual int GetDefaultLineSize(const wxGrid *grid) const
- { return grid->GetDefaultColSize(); }
- virtual int GetMinimalAcceptableLineSize(const wxGrid *grid) const
- { return grid->GetColMinimalAcceptableWidth(); }
- virtual int GetMinimalLineSize(const wxGrid *grid, int line) const
- { return grid->GetColMinimalWidth(line); }
- virtual void SetLineSize(wxGrid *grid, int line, int size) const
- { grid->SetColSize(line, size); }
- virtual bool CanResizeLines(const wxGrid *grid) const
- { return grid->CanDragColSize(); }
-
- virtual int GetLineAt(const wxGrid *grid, int line) const
- { return grid->GetColAt(line); }
-
- virtual wxWindow *GetHeaderWindow(wxGrid *grid) const
- { return grid->GetGridColLabelWindow(); }
- virtual int GetHeaderWindowSize(wxGrid *grid) const
- { return grid->GetColLabelSize(); }
-};
-
-// This class abstracts the difference between operations going forward
-// (down/right) and backward (up/left) and allows to use the same code for
-// functions which differ only in the direction of grid traversal
-//
-// Like wxGridOperations it's an ABC with two concrete subclasses below. Unlike
-// it, this is a normal object and not just a function dispatch table and has a
-// non-default ctor.
-//
-// Note: the explanation of this discrepancy is the existence of (very useful)
-// Dual() method in wxGridOperations which forces us to make wxGridOperations a
-// function dispatcher only.
-class wxGridDirectionOperations
-{
-public:
- // The oper parameter to ctor selects whether we work with rows or columns
- wxGridDirectionOperations(wxGrid *grid, const wxGridOperations& oper)
- : m_grid(grid),
- m_oper(oper)
- {
- }
-
- // Check if the component of this point in our direction is at the
- // boundary, i.e. is the first/last row/column
- virtual bool IsAtBoundary(const wxGridCellCoords& coords) const = 0;
-
- // Increment the component of this point in our direction
- virtual void Advance(wxGridCellCoords& coords) const = 0;
-
- // Find the line at the given distance, in pixels, away from this one
- // (this uses clipping, i.e. anything after the last line is counted as the
- // last one and anything before the first one as 0)
- virtual int MoveByPixelDistance(int line, int distance) const = 0;
-
- // This class is never used polymorphically but give it a virtual dtor
- // anyhow to suppress g++ complaints about it
- virtual ~wxGridDirectionOperations() { }
-
-protected:
- wxGrid * const m_grid;
- const wxGridOperations& m_oper;
-};
-
-class wxGridBackwardOperations : public wxGridDirectionOperations
-{
-public:
- wxGridBackwardOperations(wxGrid *grid, const wxGridOperations& oper)
- : wxGridDirectionOperations(grid, oper)
- {
- }
-
- virtual bool IsAtBoundary(const wxGridCellCoords& coords) const
- {
- wxASSERT_MSG( m_oper.Select(coords) >= 0, "invalid row/column" );
-
- return m_oper.Select(coords) == 0;
- }
-
- virtual void Advance(wxGridCellCoords& coords) const
- {
- wxASSERT( !IsAtBoundary(coords) );
-
- m_oper.Set(coords, m_oper.Select(coords) - 1);
- }
-
- virtual int MoveByPixelDistance(int line, int distance) const
- {
- int pos = m_oper.GetLineStartPos(m_grid, line);
- return m_oper.PosToLine(m_grid, pos - distance + 1, true);
- }
-};
-
-class wxGridForwardOperations : public wxGridDirectionOperations
-{
-public:
- wxGridForwardOperations(wxGrid *grid, const wxGridOperations& oper)
- : wxGridDirectionOperations(grid, oper),
- m_numLines(oper.GetNumberOfLines(grid))
- {
- }
-
- virtual bool IsAtBoundary(const wxGridCellCoords& coords) const
- {
- wxASSERT_MSG( m_oper.Select(coords) < m_numLines, "invalid row/column" );
-
- return m_oper.Select(coords) == m_numLines - 1;
- }
-
- virtual void Advance(wxGridCellCoords& coords) const
- {
- wxASSERT( !IsAtBoundary(coords) );
-
- m_oper.Set(coords, m_oper.Select(coords) + 1);
- }
-
- virtual int MoveByPixelDistance(int line, int distance) const
- {
- int pos = m_oper.GetLineStartPos(m_grid, line);
- return m_oper.PosToLine(m_grid, pos + distance, true);
- }
-
-private:
- const int m_numLines;
-};
-
-// ----------------------------------------------------------------------------
-// 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
-
-// ----------------------------------------------------------------------------
-// data structures used for the data type registry
-// ----------------------------------------------------------------------------
-
-struct wxGridDataTypeInfo
-{
- wxGridDataTypeInfo(const wxString& typeName,
- wxGridCellRenderer* renderer,
- wxGridCellEditor* editor)
- : m_typeName(typeName), m_renderer(renderer), m_editor(editor)
- {}
-
- ~wxGridDataTypeInfo()
- {
- wxSafeDecRef(m_renderer);
- wxSafeDecRef(m_editor);
- }
-
- wxString m_typeName;
- wxGridCellRenderer* m_renderer;
- wxGridCellEditor* m_editor;
-
- wxDECLARE_NO_COPY_CLASS(wxGridDataTypeInfo);
-};
-
-
-WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridDataTypeInfo*, wxGridDataTypeInfoArray,
- class WXDLLIMPEXP_ADV);
-
-
-class WXDLLIMPEXP_ADV wxGridTypeRegistry
-{
-public:
- wxGridTypeRegistry() {}
- ~wxGridTypeRegistry();
-
- void RegisterDataType(const wxString& typeName,
- wxGridCellRenderer* renderer,
- wxGridCellEditor* editor);
-
- // find one of already registered data types
- int FindRegisteredDataType(const wxString& typeName);
-
- // try to FindRegisteredDataType(), if this fails and typeName is one of
- // standard typenames, register it and return its index
- int FindDataType(const wxString& typeName);
-
- // try to FindDataType(), if it fails see if it is not one of already
- // registered data types with some params in which case clone the
- // registered data type and set params for it
- int FindOrCloneDataType(const wxString& typeName);
-
- wxGridCellRenderer* GetRenderer(int index);
- wxGridCellEditor* GetEditor(int index);
-
-private:
- wxGridDataTypeInfoArray m_typeinfo;
-};
-
-#endif // wxUSE_GRID
-#endif // _WX_GENERIC_GRID_PRIVATE_H_
+/////////////////////////////////////////////////////////////////////////////\r
+// Name: wx/generic/private/grid.h\r
+// Purpose: Private wxGrid structures\r
+// Author: Michael Bedward (based on code by Julian Smart, Robin Dunn)\r
+// Modified by: Santiago Palacios\r
+// Created: 1/08/1999\r
+// RCS-ID: $Id$\r
+// Copyright: (c) Michael Bedward\r
+// Licence: wxWindows licence\r
+/////////////////////////////////////////////////////////////////////////////\r
+\r
+#ifndef _WX_GENERIC_GRID_PRIVATE_H_\r
+#define _WX_GENERIC_GRID_PRIVATE_H_\r
+\r
+#include "wx/defs.h"\r
+\r
+#if wxUSE_GRID\r
+\r
+// ----------------------------------------------------------------------------\r
+// array classes\r
+// ----------------------------------------------------------------------------\r
+\r
+WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridCellAttr *, wxArrayAttrs,\r
+ class WXDLLIMPEXP_ADV);\r
+\r
+struct wxGridCellWithAttr\r
+{\r
+ wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)\r
+ : coords(row, col), attr(attr_)\r
+ {\r
+ wxASSERT( attr );\r
+ }\r
+\r
+ wxGridCellWithAttr(const wxGridCellWithAttr& other)\r
+ : coords(other.coords),\r
+ attr(other.attr)\r
+ {\r
+ attr->IncRef();\r
+ }\r
+\r
+ wxGridCellWithAttr& operator=(const wxGridCellWithAttr& other)\r
+ {\r
+ coords = other.coords;\r
+ if (attr != other.attr)\r
+ {\r
+ attr->DecRef();\r
+ attr = other.attr;\r
+ attr->IncRef();\r
+ }\r
+ return *this;\r
+ }\r
+\r
+ void ChangeAttr(wxGridCellAttr* new_attr)\r
+ {\r
+ if (attr != new_attr)\r
+ {\r
+ // "Delete" (i.e. DecRef) the old attribute.\r
+ attr->DecRef();\r
+ attr = new_attr;\r
+ // Take ownership of the new attribute, i.e. no IncRef.\r
+ }\r
+ }\r
+\r
+ ~wxGridCellWithAttr()\r
+ {\r
+ attr->DecRef();\r
+ }\r
+\r
+ wxGridCellCoords coords;\r
+ wxGridCellAttr *attr;\r
+};\r
+\r
+WX_DECLARE_OBJARRAY_WITH_DECL(wxGridCellWithAttr, wxGridCellWithAttrArray,\r
+ class WXDLLIMPEXP_ADV);\r
+\r
+\r
+// ----------------------------------------------------------------------------\r
+// private classes\r
+// ----------------------------------------------------------------------------\r
+\r
+// header column providing access to the column information stored in wxGrid\r
+// via wxHeaderColumn interface\r
+class wxGridHeaderColumn : public wxHeaderColumn\r
+{\r
+public:\r
+ wxGridHeaderColumn(wxGrid *grid, int col)\r
+ : m_grid(grid),\r
+ m_col(col)\r
+ {\r
+ }\r
+\r
+ virtual wxString GetTitle() const { return m_grid->GetColLabelValue(m_col); }\r
+ virtual wxBitmap GetBitmap() const { return wxNullBitmap; }\r
+ virtual int GetWidth() const { return m_grid->GetColSize(m_col); }\r
+ virtual int GetMinWidth() const { return 0; }\r
+ virtual wxAlignment GetAlignment() const\r
+ {\r
+ int horz,\r
+ vert;\r
+ m_grid->GetColLabelAlignment(&horz, &vert);\r
+\r
+ return static_cast<wxAlignment>(horz);\r
+ }\r
+\r
+ virtual int GetFlags() const\r
+ {\r
+ // we can't know in advance whether we can sort by this column or not\r
+ // with wxGrid API so suppose we can by default\r
+ int flags = wxCOL_SORTABLE;\r
+ if ( m_grid->CanDragColSize() )\r
+ flags |= wxCOL_RESIZABLE;\r
+ if ( m_grid->CanDragColMove() )\r
+ flags |= wxCOL_REORDERABLE;\r
+ if ( GetWidth() == 0 )\r
+ flags |= wxCOL_HIDDEN;\r
+\r
+ return flags;\r
+ }\r
+\r
+ virtual bool IsSortKey() const\r
+ {\r
+ return m_grid->IsSortingBy(m_col);\r
+ }\r
+\r
+ virtual bool IsSortOrderAscending() const\r
+ {\r
+ return m_grid->IsSortOrderAscending();\r
+ }\r
+\r
+private:\r
+ // these really should be const but are not because the column needs to be\r
+ // assignable to be used in a wxVector (in STL build, in non-STL build we\r
+ // avoid the need for this)\r
+ wxGrid *m_grid;\r
+ int m_col;\r
+};\r
+\r
+// header control retreiving column information from the grid\r
+class wxGridHeaderCtrl : public wxHeaderCtrl\r
+{\r
+public:\r
+ wxGridHeaderCtrl(wxGrid *owner)\r
+ : wxHeaderCtrl(owner,\r
+ wxID_ANY,\r
+ wxDefaultPosition,\r
+ wxDefaultSize,\r
+ wxHD_ALLOW_HIDE |\r
+ (owner->CanDragColMove() ? wxHD_ALLOW_REORDER : 0))\r
+ {\r
+ }\r
+\r
+protected:\r
+ virtual const wxHeaderColumn& GetColumn(unsigned int idx) const\r
+ {\r
+ return m_columns[idx];\r
+ }\r
+\r
+private:\r
+ wxGrid *GetOwner() const { return static_cast<wxGrid *>(GetParent()); }\r
+\r
+ // override the base class method to update our m_columns array\r
+ virtual void OnColumnCountChanging(unsigned int count)\r
+ {\r
+ const unsigned countOld = m_columns.size();\r
+ if ( count < countOld )\r
+ {\r
+ // just discard the columns which don't exist any more (notice that\r
+ // we can't use resize() here as it would require the vector\r
+ // value_type, i.e. wxGridHeaderColumn to be default constructible,\r
+ // which it is not)\r
+ m_columns.erase(m_columns.begin() + count, m_columns.end());\r
+ }\r
+ else // new columns added\r
+ {\r
+ // add columns for the new elements\r
+ for ( unsigned n = countOld; n < count; n++ )\r
+ m_columns.push_back(wxGridHeaderColumn(GetOwner(), n));\r
+ }\r
+ }\r
+\r
+ // override to implement column auto sizing\r
+ virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)\r
+ {\r
+ // TODO: currently grid doesn't support computing the column best width\r
+ // from its contents so we just use the best label width as is\r
+ GetOwner()->SetColSize(idx, widthTitle);\r
+\r
+ return true;\r
+ }\r
+\r
+ // overridden to react to the actions using the columns popup menu\r
+ virtual void UpdateColumnVisibility(unsigned int idx, bool show)\r
+ {\r
+ GetOwner()->SetColSize(idx, show ? wxGRID_AUTOSIZE : 0);\r
+\r
+ // as this is done by the user we should notify the main program about\r
+ // it\r
+ GetOwner()->SendEvent(wxEVT_GRID_COL_SIZE, -1, idx);\r
+ }\r
+\r
+ // overridden to react to the columns order changes in the customization\r
+ // dialog\r
+ virtual void UpdateColumnsOrder(const wxArrayInt& order)\r
+ {\r
+ GetOwner()->SetColumnsOrder(order);\r
+ }\r
+\r
+\r
+ // event handlers forwarding wxHeaderCtrl events to wxGrid\r
+ void OnClick(wxHeaderCtrlEvent& event)\r
+ {\r
+ GetOwner()->DoColHeaderClick(event.GetColumn());\r
+ }\r
+\r
+ void OnBeginResize(wxHeaderCtrlEvent& event)\r
+ {\r
+ GetOwner()->DoStartResizeCol(event.GetColumn());\r
+\r
+ event.Skip();\r
+ }\r
+\r
+ void OnResizing(wxHeaderCtrlEvent& event)\r
+ {\r
+ GetOwner()->DoUpdateResizeColWidth(event.GetWidth());\r
+ }\r
+\r
+ void OnEndResize(wxHeaderCtrlEvent& event)\r
+ {\r
+ GetOwner()->DoEndDragResizeCol();\r
+\r
+ event.Skip();\r
+ }\r
+\r
+ void OnBeginReorder(wxHeaderCtrlEvent& event)\r
+ {\r
+ GetOwner()->DoStartMoveCol(event.GetColumn());\r
+ }\r
+\r
+ void OnEndReorder(wxHeaderCtrlEvent& event)\r
+ {\r
+ GetOwner()->DoEndMoveCol(event.GetNewOrder());\r
+ }\r
+\r
+ wxVector<wxGridHeaderColumn> m_columns;\r
+\r
+ DECLARE_EVENT_TABLE()\r
+ wxDECLARE_NO_COPY_CLASS(wxGridHeaderCtrl);\r
+};\r
+\r
+// common base class for various grid subwindows\r
+class WXDLLIMPEXP_ADV wxGridSubwindow : public wxWindow\r
+{\r
+public:\r
+ wxGridSubwindow(wxGrid *owner,\r
+ int additionalStyle = 0,\r
+ const wxString& name = wxPanelNameStr)\r
+ : wxWindow(owner, wxID_ANY,\r
+ wxDefaultPosition, wxDefaultSize,\r
+ wxBORDER_NONE | additionalStyle,\r
+ name)\r
+ {\r
+ m_owner = owner;\r
+ }\r
+\r
+ virtual bool AcceptsFocus() const { return false; }\r
+\r
+ wxGrid *GetOwner() { return m_owner; }\r
+\r
+protected:\r
+ void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);\r
+\r
+ wxGrid *m_owner;\r
+\r
+ DECLARE_EVENT_TABLE()\r
+ wxDECLARE_NO_COPY_CLASS(wxGridSubwindow);\r
+};\r
+\r
+class WXDLLIMPEXP_ADV wxGridRowLabelWindow : public wxGridSubwindow\r
+{\r
+public:\r
+ wxGridRowLabelWindow(wxGrid *parent)\r
+ : wxGridSubwindow(parent)\r
+ {\r
+ }\r
+\r
+\r
+private:\r
+ void OnPaint( wxPaintEvent& event );\r
+ void OnMouseEvent( wxMouseEvent& event );\r
+ void OnMouseWheel( wxMouseEvent& event );\r
+\r
+ DECLARE_EVENT_TABLE()\r
+ wxDECLARE_NO_COPY_CLASS(wxGridRowLabelWindow);\r
+};\r
+\r
+\r
+class WXDLLIMPEXP_ADV wxGridColLabelWindow : public wxGridSubwindow\r
+{\r
+public:\r
+ wxGridColLabelWindow(wxGrid *parent)\r
+ : wxGridSubwindow(parent)\r
+ {\r
+ }\r
+\r
+\r
+private:\r
+ void OnPaint( wxPaintEvent& event );\r
+ void OnMouseEvent( wxMouseEvent& event );\r
+ void OnMouseWheel( wxMouseEvent& event );\r
+\r
+ DECLARE_EVENT_TABLE()\r
+ wxDECLARE_NO_COPY_CLASS(wxGridColLabelWindow);\r
+};\r
+\r
+\r
+class WXDLLIMPEXP_ADV wxGridCornerLabelWindow : public wxGridSubwindow\r
+{\r
+public:\r
+ wxGridCornerLabelWindow(wxGrid *parent)\r
+ : wxGridSubwindow(parent)\r
+ {\r
+ }\r
+\r
+private:\r
+ void OnMouseEvent( wxMouseEvent& event );\r
+ void OnMouseWheel( wxMouseEvent& event );\r
+ void OnPaint( wxPaintEvent& event );\r
+\r
+ DECLARE_EVENT_TABLE()\r
+ wxDECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow);\r
+};\r
+\r
+class WXDLLIMPEXP_ADV wxGridWindow : public wxGridSubwindow\r
+{\r
+public:\r
+ wxGridWindow(wxGrid *parent)\r
+ : wxGridSubwindow(parent,\r
+ wxWANTS_CHARS | wxCLIP_CHILDREN,\r
+ "GridWindow")\r
+ {\r
+ }\r
+\r
+\r
+ virtual void ScrollWindow( int dx, int dy, const wxRect *rect );\r
+\r
+ virtual bool AcceptsFocus() const { return true; }\r
+\r
+private:\r
+ void OnPaint( wxPaintEvent &event );\r
+ void OnMouseWheel( wxMouseEvent& event );\r
+ void OnMouseEvent( wxMouseEvent& event );\r
+ void OnKeyDown( wxKeyEvent& );\r
+ void OnKeyUp( wxKeyEvent& );\r
+ void OnChar( wxKeyEvent& );\r
+ void OnEraseBackground( wxEraseEvent& );\r
+ void OnFocus( wxFocusEvent& );\r
+\r
+ DECLARE_EVENT_TABLE()\r
+ wxDECLARE_NO_COPY_CLASS(wxGridWindow);\r
+};\r
+\r
+// ----------------------------------------------------------------------------\r
+// the internal data representation used by wxGridCellAttrProvider\r
+// ----------------------------------------------------------------------------\r
+\r
+// this class stores attributes set for cells\r
+class WXDLLIMPEXP_ADV wxGridCellAttrData\r
+{\r
+public:\r
+ void SetAttr(wxGridCellAttr *attr, int row, int col);\r
+ wxGridCellAttr *GetAttr(int row, int col) const;\r
+ void UpdateAttrRows( size_t pos, int numRows );\r
+ void UpdateAttrCols( size_t pos, int numCols );\r
+\r
+private:\r
+ // searches for the attr for given cell, returns wxNOT_FOUND if not found\r
+ int FindIndex(int row, int col) const;\r
+\r
+ wxGridCellWithAttrArray m_attrs;\r
+};\r
+\r
+// this class stores attributes set for rows or columns\r
+class WXDLLIMPEXP_ADV wxGridRowOrColAttrData\r
+{\r
+public:\r
+ // empty ctor to suppress warnings\r
+ wxGridRowOrColAttrData() {}\r
+ ~wxGridRowOrColAttrData();\r
+\r
+ void SetAttr(wxGridCellAttr *attr, int rowOrCol);\r
+ wxGridCellAttr *GetAttr(int rowOrCol) const;\r
+ void UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols );\r
+\r
+private:\r
+ wxArrayInt m_rowsOrCols;\r
+ wxArrayAttrs m_attrs;\r
+};\r
+\r
+// NB: this is just a wrapper around 3 objects: one which stores cell\r
+// attributes, and 2 others for row/col ones\r
+class WXDLLIMPEXP_ADV wxGridCellAttrProviderData\r
+{\r
+public:\r
+ wxGridCellAttrData m_cellAttrs;\r
+ wxGridRowOrColAttrData m_rowAttrs,\r
+ m_colAttrs;\r
+};\r
+\r
+// ----------------------------------------------------------------------------\r
+// operations classes abstracting the difference between operating on rows and\r
+// columns\r
+// ----------------------------------------------------------------------------\r
+\r
+// This class allows to write a function only once because by using its methods\r
+// it will apply to both columns and rows.\r
+//\r
+// This is an abstract interface definition, the two concrete implementations\r
+// below should be used when working with rows and columns respectively.\r
+class wxGridOperations\r
+{\r
+public:\r
+ // Returns the operations in the other direction, i.e. wxGridRowOperations\r
+ // if this object is a wxGridColumnOperations and vice versa.\r
+ virtual wxGridOperations& Dual() const = 0;\r
+\r
+ // Return the number of rows or columns.\r
+ virtual int GetNumberOfLines(const wxGrid *grid) const = 0;\r
+\r
+ // Return the selection mode which allows selecting rows or columns.\r
+ virtual wxGrid::wxGridSelectionModes GetSelectionMode() const = 0;\r
+\r
+ // Make a wxGridCellCoords from the given components: thisDir is row or\r
+ // column and otherDir is column or row\r
+ virtual wxGridCellCoords MakeCoords(int thisDir, int otherDir) const = 0;\r
+\r
+ // Calculate the scrolled position of the given abscissa or ordinate.\r
+ virtual int CalcScrolledPosition(wxGrid *grid, int pos) const = 0;\r
+\r
+ // Selects the horizontal or vertical component from the given object.\r
+ virtual int Select(const wxGridCellCoords& coords) const = 0;\r
+ virtual int Select(const wxPoint& pt) const = 0;\r
+ virtual int Select(const wxSize& sz) const = 0;\r
+ virtual int Select(const wxRect& r) const = 0;\r
+ virtual int& Select(wxRect& r) const = 0;\r
+\r
+ // Returns width or height of the rectangle\r
+ virtual int& SelectSize(wxRect& r) const = 0;\r
+\r
+ // Make a wxSize such that Select() applied to it returns first component\r
+ virtual wxSize MakeSize(int first, int second) const = 0;\r
+\r
+ // Sets the row or column component of the given cell coordinates\r
+ virtual void Set(wxGridCellCoords& coords, int line) const = 0;\r
+\r
+\r
+ // Draws a line parallel to the row or column, i.e. horizontal or vertical:\r
+ // pos is the horizontal or vertical position of the line and start and end\r
+ // are the coordinates of the line extremities in the other direction\r
+ virtual void\r
+ DrawParallelLine(wxDC& dc, int start, int end, int pos) const = 0;\r
+\r
+ // Draw a horizontal or vertical line across the given rectangle\r
+ // (this is implemented in terms of above and uses Select() to extract\r
+ // start and end from the given rectangle)\r
+ void DrawParallelLineInRect(wxDC& dc, const wxRect& rect, int pos) const\r
+ {\r
+ const int posStart = Select(rect.GetPosition());\r
+ DrawParallelLine(dc, posStart, posStart + Select(rect.GetSize()), pos);\r
+ }\r
+\r
+\r
+ // Return the index of the row or column at the given pixel coordinate.\r
+ virtual int\r
+ PosToLine(const wxGrid *grid, int pos, bool clip = false) const = 0;\r
+\r
+ // Get the top/left position, in pixels, of the given row or column\r
+ virtual int GetLineStartPos(const wxGrid *grid, int line) const = 0;\r
+\r
+ // Get the bottom/right position, in pixels, of the given row or column\r
+ virtual int GetLineEndPos(const wxGrid *grid, int line) const = 0;\r
+\r
+ // Get the height/width of the given row/column\r
+ virtual int GetLineSize(const wxGrid *grid, int line) const = 0;\r
+\r
+ // Get wxGrid::m_rowBottoms/m_colRights array\r
+ virtual const wxArrayInt& GetLineEnds(const wxGrid *grid) const = 0;\r
+\r
+ // Get default height row height or column width\r
+ virtual int GetDefaultLineSize(const wxGrid *grid) const = 0;\r
+\r
+ // Return the minimal acceptable row height or column width\r
+ virtual int GetMinimalAcceptableLineSize(const wxGrid *grid) const = 0;\r
+\r
+ // Return the minimal row height or column width\r
+ virtual int GetMinimalLineSize(const wxGrid *grid, int line) const = 0;\r
+\r
+ // Set the row height or column width\r
+ virtual void SetLineSize(wxGrid *grid, int line, int size) const = 0;\r
+\r
+ // Set the row default height or column default width\r
+ virtual void SetDefaultLineSize(wxGrid *grid, int size, bool resizeExisting) const = 0;\r
+\r
+ // True if rows/columns can be resized by user\r
+ virtual bool CanResizeLines(const wxGrid *grid) const = 0;\r
+\r
+\r
+ // Return the index of the line at the given position\r
+ //\r
+ // NB: currently this is always identity for the rows as reordering is only\r
+ // implemented for the lines\r
+ virtual int GetLineAt(const wxGrid *grid, int line) const = 0;\r
+\r
+\r
+ // Get the row or column label window\r
+ virtual wxWindow *GetHeaderWindow(wxGrid *grid) const = 0;\r
+\r
+ // Get the width or height of the row or column label window\r
+ virtual int GetHeaderWindowSize(wxGrid *grid) const = 0;\r
+\r
+\r
+ // This class is never used polymorphically but give it a virtual dtor\r
+ // anyhow to suppress g++ complaints about it\r
+ virtual ~wxGridOperations() { }\r
+};\r
+\r
+class wxGridRowOperations : public wxGridOperations\r
+{\r
+public:\r
+ virtual wxGridOperations& Dual() const;\r
+\r
+ virtual int GetNumberOfLines(const wxGrid *grid) const\r
+ { return grid->GetNumberRows(); }\r
+\r
+ virtual wxGrid::wxGridSelectionModes GetSelectionMode() const\r
+ { return wxGrid::wxGridSelectRows; }\r
+\r
+ virtual wxGridCellCoords MakeCoords(int thisDir, int otherDir) const\r
+ { return wxGridCellCoords(thisDir, otherDir); }\r
+\r
+ virtual int CalcScrolledPosition(wxGrid *grid, int pos) const\r
+ { return grid->CalcScrolledPosition(wxPoint(pos, 0)).x; }\r
+\r
+ virtual int Select(const wxGridCellCoords& c) const { return c.GetRow(); }\r
+ virtual int Select(const wxPoint& pt) const { return pt.x; }\r
+ virtual int Select(const wxSize& sz) const { return sz.x; }\r
+ virtual int Select(const wxRect& r) const { return r.x; }\r
+ virtual int& Select(wxRect& r) const { return r.x; }\r
+ virtual int& SelectSize(wxRect& r) const { return r.width; }\r
+ virtual wxSize MakeSize(int first, int second) const\r
+ { return wxSize(first, second); }\r
+ virtual void Set(wxGridCellCoords& coords, int line) const\r
+ { coords.SetRow(line); }\r
+\r
+ virtual void DrawParallelLine(wxDC& dc, int start, int end, int pos) const\r
+ { dc.DrawLine(start, pos, end, pos); }\r
+\r
+ virtual int PosToLine(const wxGrid *grid, int pos, bool clip = false) const\r
+ { return grid->YToRow(pos, clip); }\r
+ virtual int GetLineStartPos(const wxGrid *grid, int line) const\r
+ { return grid->GetRowTop(line); }\r
+ virtual int GetLineEndPos(const wxGrid *grid, int line) const\r
+ { return grid->GetRowBottom(line); }\r
+ virtual int GetLineSize(const wxGrid *grid, int line) const\r
+ { return grid->GetRowHeight(line); }\r
+ virtual const wxArrayInt& GetLineEnds(const wxGrid *grid) const\r
+ { return grid->m_rowBottoms; }\r
+ virtual int GetDefaultLineSize(const wxGrid *grid) const\r
+ { return grid->GetDefaultRowSize(); }\r
+ virtual int GetMinimalAcceptableLineSize(const wxGrid *grid) const\r
+ { return grid->GetRowMinimalAcceptableHeight(); }\r
+ virtual int GetMinimalLineSize(const wxGrid *grid, int line) const\r
+ { return grid->GetRowMinimalHeight(line); }\r
+ virtual void SetLineSize(wxGrid *grid, int line, int size) const\r
+ { grid->SetRowSize(line, size); }\r
+ virtual bool CanResizeLines(const wxGrid *grid) const\r
+ { return grid->CanDragRowSize(); }\r
+ virtual void SetDefaultLineSize(wxGrid *grid, int size, bool resizeExisting) const\r
+ { grid->SetDefaultRowSize(size, resizeExisting); } \r
+\r
+ virtual int GetLineAt(const wxGrid * WXUNUSED(grid), int line) const\r
+ { return line; } // TODO: implement row reordering\r
+\r
+ virtual wxWindow *GetHeaderWindow(wxGrid *grid) const\r
+ { return grid->GetGridRowLabelWindow(); }\r
+ virtual int GetHeaderWindowSize(wxGrid *grid) const\r
+ { return grid->GetRowLabelSize(); }\r
+};\r
+\r
+class wxGridColumnOperations : public wxGridOperations\r
+{\r
+public:\r
+ virtual wxGridOperations& Dual() const;\r
+\r
+ virtual int GetNumberOfLines(const wxGrid *grid) const\r
+ { return grid->GetNumberCols(); }\r
+\r
+ virtual wxGrid::wxGridSelectionModes GetSelectionMode() const\r
+ { return wxGrid::wxGridSelectColumns; }\r
+\r
+ virtual wxGridCellCoords MakeCoords(int thisDir, int otherDir) const\r
+ { return wxGridCellCoords(otherDir, thisDir); }\r
+\r
+ virtual int CalcScrolledPosition(wxGrid *grid, int pos) const\r
+ { return grid->CalcScrolledPosition(wxPoint(0, pos)).y; }\r
+\r
+ virtual int Select(const wxGridCellCoords& c) const { return c.GetCol(); }\r
+ virtual int Select(const wxPoint& pt) const { return pt.y; }\r
+ virtual int Select(const wxSize& sz) const { return sz.y; }\r
+ virtual int Select(const wxRect& r) const { return r.y; }\r
+ virtual int& Select(wxRect& r) const { return r.y; }\r
+ virtual int& SelectSize(wxRect& r) const { return r.height; }\r
+ virtual wxSize MakeSize(int first, int second) const\r
+ { return wxSize(second, first); }\r
+ virtual void Set(wxGridCellCoords& coords, int line) const\r
+ { coords.SetCol(line); }\r
+\r
+ virtual void DrawParallelLine(wxDC& dc, int start, int end, int pos) const\r
+ { dc.DrawLine(pos, start, pos, end); }\r
+\r
+ virtual int PosToLine(const wxGrid *grid, int pos, bool clip = false) const\r
+ { return grid->XToCol(pos, clip); }\r
+ virtual int GetLineStartPos(const wxGrid *grid, int line) const\r
+ { return grid->GetColLeft(line); }\r
+ virtual int GetLineEndPos(const wxGrid *grid, int line) const\r
+ { return grid->GetColRight(line); }\r
+ virtual int GetLineSize(const wxGrid *grid, int line) const\r
+ { return grid->GetColWidth(line); }\r
+ virtual const wxArrayInt& GetLineEnds(const wxGrid *grid) const\r
+ { return grid->m_colRights; }\r
+ virtual int GetDefaultLineSize(const wxGrid *grid) const\r
+ { return grid->GetDefaultColSize(); }\r
+ virtual int GetMinimalAcceptableLineSize(const wxGrid *grid) const\r
+ { return grid->GetColMinimalAcceptableWidth(); }\r
+ virtual int GetMinimalLineSize(const wxGrid *grid, int line) const\r
+ { return grid->GetColMinimalWidth(line); }\r
+ virtual void SetLineSize(wxGrid *grid, int line, int size) const\r
+ { grid->SetColSize(line, size); }\r
+ virtual bool CanResizeLines(const wxGrid *grid) const\r
+ { return grid->CanDragColSize(); }\r
+ virtual void SetDefaultLineSize(wxGrid *grid, int size, bool resizeExisting) const\r
+ { grid->SetDefaultColSize(size, resizeExisting); } \r
+\r
+ virtual int GetLineAt(const wxGrid *grid, int line) const\r
+ { return grid->GetColAt(line); }\r
+\r
+ virtual wxWindow *GetHeaderWindow(wxGrid *grid) const\r
+ { return grid->GetGridColLabelWindow(); }\r
+ virtual int GetHeaderWindowSize(wxGrid *grid) const\r
+ { return grid->GetColLabelSize(); }\r
+};\r
+\r
+// This class abstracts the difference between operations going forward\r
+// (down/right) and backward (up/left) and allows to use the same code for\r
+// functions which differ only in the direction of grid traversal\r
+//\r
+// Like wxGridOperations it's an ABC with two concrete subclasses below. Unlike\r
+// it, this is a normal object and not just a function dispatch table and has a\r
+// non-default ctor.\r
+//\r
+// Note: the explanation of this discrepancy is the existence of (very useful)\r
+// Dual() method in wxGridOperations which forces us to make wxGridOperations a\r
+// function dispatcher only.\r
+class wxGridDirectionOperations\r
+{\r
+public:\r
+ // The oper parameter to ctor selects whether we work with rows or columns\r
+ wxGridDirectionOperations(wxGrid *grid, const wxGridOperations& oper)\r
+ : m_grid(grid),\r
+ m_oper(oper)\r
+ {\r
+ }\r
+\r
+ // Check if the component of this point in our direction is at the\r
+ // boundary, i.e. is the first/last row/column\r
+ virtual bool IsAtBoundary(const wxGridCellCoords& coords) const = 0;\r
+\r
+ // Increment the component of this point in our direction\r
+ virtual void Advance(wxGridCellCoords& coords) const = 0;\r
+\r
+ // Find the line at the given distance, in pixels, away from this one\r
+ // (this uses clipping, i.e. anything after the last line is counted as the\r
+ // last one and anything before the first one as 0)\r
+ virtual int MoveByPixelDistance(int line, int distance) const = 0;\r
+\r
+ // This class is never used polymorphically but give it a virtual dtor\r
+ // anyhow to suppress g++ complaints about it\r
+ virtual ~wxGridDirectionOperations() { }\r
+\r
+protected:\r
+ wxGrid * const m_grid;\r
+ const wxGridOperations& m_oper;\r
+};\r
+\r
+class wxGridBackwardOperations : public wxGridDirectionOperations\r
+{\r
+public:\r
+ wxGridBackwardOperations(wxGrid *grid, const wxGridOperations& oper)\r
+ : wxGridDirectionOperations(grid, oper)\r
+ {\r
+ }\r
+\r
+ virtual bool IsAtBoundary(const wxGridCellCoords& coords) const\r
+ {\r
+ wxASSERT_MSG( m_oper.Select(coords) >= 0, "invalid row/column" );\r
+\r
+ return m_oper.Select(coords) == 0;\r
+ }\r
+\r
+ virtual void Advance(wxGridCellCoords& coords) const\r
+ {\r
+ wxASSERT( !IsAtBoundary(coords) );\r
+\r
+ m_oper.Set(coords, m_oper.Select(coords) - 1);\r
+ }\r
+\r
+ virtual int MoveByPixelDistance(int line, int distance) const\r
+ {\r
+ int pos = m_oper.GetLineStartPos(m_grid, line);\r
+ return m_oper.PosToLine(m_grid, pos - distance + 1, true);\r
+ }\r
+};\r
+\r
+class wxGridForwardOperations : public wxGridDirectionOperations\r
+{\r
+public:\r
+ wxGridForwardOperations(wxGrid *grid, const wxGridOperations& oper)\r
+ : wxGridDirectionOperations(grid, oper),\r
+ m_numLines(oper.GetNumberOfLines(grid))\r
+ {\r
+ }\r
+\r
+ virtual bool IsAtBoundary(const wxGridCellCoords& coords) const\r
+ {\r
+ wxASSERT_MSG( m_oper.Select(coords) < m_numLines, "invalid row/column" );\r
+\r
+ return m_oper.Select(coords) == m_numLines - 1;\r
+ }\r
+\r
+ virtual void Advance(wxGridCellCoords& coords) const\r
+ {\r
+ wxASSERT( !IsAtBoundary(coords) );\r
+\r
+ m_oper.Set(coords, m_oper.Select(coords) + 1);\r
+ }\r
+\r
+ virtual int MoveByPixelDistance(int line, int distance) const\r
+ {\r
+ int pos = m_oper.GetLineStartPos(m_grid, line);\r
+ return m_oper.PosToLine(m_grid, pos + distance, true);\r
+ }\r
+\r
+private:\r
+ const int m_numLines;\r
+};\r
+\r
+// ----------------------------------------------------------------------------\r
+// private helpers\r
+// ----------------------------------------------------------------------------\r
+\r
+namespace\r
+{\r
+\r
+// ensure that first is less or equal to second, swapping the values if\r
+// necessary\r
+void EnsureFirstLessThanSecond(int& first, int& second)\r
+{\r
+ if ( first > second )\r
+ wxSwap(first, second);\r
+}\r
+\r
+} // anonymous namespace\r
+\r
+// ----------------------------------------------------------------------------\r
+// data structures used for the data type registry\r
+// ----------------------------------------------------------------------------\r
+\r
+struct wxGridDataTypeInfo\r
+{\r
+ wxGridDataTypeInfo(const wxString& typeName,\r
+ wxGridCellRenderer* renderer,\r
+ wxGridCellEditor* editor)\r
+ : m_typeName(typeName), m_renderer(renderer), m_editor(editor)\r
+ {}\r
+\r
+ ~wxGridDataTypeInfo()\r
+ {\r
+ wxSafeDecRef(m_renderer);\r
+ wxSafeDecRef(m_editor);\r
+ }\r
+\r
+ wxString m_typeName;\r
+ wxGridCellRenderer* m_renderer;\r
+ wxGridCellEditor* m_editor;\r
+\r
+ wxDECLARE_NO_COPY_CLASS(wxGridDataTypeInfo);\r
+};\r
+\r
+\r
+WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridDataTypeInfo*, wxGridDataTypeInfoArray,\r
+ class WXDLLIMPEXP_ADV);\r
+\r
+\r
+class WXDLLIMPEXP_ADV wxGridTypeRegistry\r
+{\r
+public:\r
+ wxGridTypeRegistry() {}\r
+ ~wxGridTypeRegistry();\r
+\r
+ void RegisterDataType(const wxString& typeName,\r
+ wxGridCellRenderer* renderer,\r
+ wxGridCellEditor* editor);\r
+\r
+ // find one of already registered data types\r
+ int FindRegisteredDataType(const wxString& typeName);\r
+\r
+ // try to FindRegisteredDataType(), if this fails and typeName is one of\r
+ // standard typenames, register it and return its index\r
+ int FindDataType(const wxString& typeName);\r
+\r
+ // try to FindDataType(), if it fails see if it is not one of already\r
+ // registered data types with some params in which case clone the\r
+ // registered data type and set params for it\r
+ int FindOrCloneDataType(const wxString& typeName);\r
+\r
+ wxGridCellRenderer* GetRenderer(int index);\r
+ wxGridCellEditor* GetEditor(int index);\r
+\r
+private:\r
+ wxGridDataTypeInfoArray m_typeinfo;\r
+};\r
+\r
+#endif // wxUSE_GRID\r
+#endif // _WX_GENERIC_GRID_PRIVATE_H_\r
projects / wxWidgets.git / commitdiff
