-/////////////////////////////////////////////////////////////////////////////\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
+/////////////////////////////////////////////////////////////////////////////
+// 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(m_col) )
+ 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()); }
+
+ static wxMouseEvent GetDummyMouseEvent()
+ {
+ // make up a dummy event for the grid event to use -- unfortunately we
+ // can't do anything else here
+ wxMouseEvent e;
+ e.SetState(wxGetMouseState());
+ return e;
+ }
+
+ // 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()->SendGridSizeEvent(wxEVT_GRID_COL_SIZE, -1, idx,
+ GetDummyMouseEvent());
+ }
+
+ // 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()->SendEvent(wxEVT_GRID_LABEL_LEFT_CLICK,
+ -1, event.GetColumn(),
+ GetDummyMouseEvent());
+
+ GetOwner()->DoColHeaderClick(event.GetColumn());
+ }
+
+ void OnDoubleClick(wxHeaderCtrlEvent& event)
+ {
+ if ( !GetOwner()->SendEvent(wxEVT_GRID_LABEL_LEFT_DCLICK,
+ -1, event.GetColumn(),
+ GetDummyMouseEvent()) )
+ {
+ event.Skip();
+ }
+ }
+
+ void OnRightClick(wxHeaderCtrlEvent& event)
+ {
+ if ( !GetOwner()->SendEvent(wxEVT_GRID_LABEL_RIGHT_CLICK,
+ -1, event.GetColumn(),
+ GetDummyMouseEvent()) )
+ {
+ event.Skip();
+ }
+ }
+
+ void OnBeginResize(wxHeaderCtrlEvent& event)
+ {
+ GetOwner()->DoStartResizeCol(event.GetColumn());
+
+ event.Skip();
+ }
+
+ void OnResizing(wxHeaderCtrlEvent& event)
+ {
+ GetOwner()->DoUpdateResizeColWidth(event.GetWidth());
+ }
+
+ void OnEndResize(wxHeaderCtrlEvent& event)
+ {
+ // we again need to pass a mouse event to be used for the grid event
+ // generation but we don't have it here so use a dummy one as in
+ // UpdateColumnVisibility()
+ wxMouseEvent e;
+ e.SetState(wxGetMouseState());
+ GetOwner()->DoEndDragResizeCol(e);
+
+ 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 wxWindow *GetMainWindowOfCompositeControl() { return m_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;
+
+ // Set the row default height or column default width
+ virtual void SetDefaultLineSize(wxGrid *grid, int size, bool resizeExisting) 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 pos) const = 0;
+
+ // Return the display position of the line with the given index.
+ //
+ // NB: As GetLineAt(), currently this is always identity for rows.
+ virtual int GetLinePos(const wxGrid *grid, int line) const = 0;
+
+ // Return the index of the line just before the given one.
+ virtual int GetLineBefore(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 void SetDefaultLineSize(wxGrid *grid, int size, bool resizeExisting) const
+ { grid->SetDefaultRowSize(size, resizeExisting); }
+
+ virtual int GetLineAt(const wxGrid * WXUNUSED(grid), int pos) const
+ { return pos; } // TODO: implement row reordering
+ virtual int GetLinePos(const wxGrid * WXUNUSED(grid), int line) const
+ { return line; } // TODO: implement row reordering
+
+ virtual int GetLineBefore(const wxGrid* WXUNUSED(grid), int line) const
+ { return line ? line - 1 : line; }
+
+ 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 void SetDefaultLineSize(wxGrid *grid, int size, bool resizeExisting) const
+ { grid->SetDefaultColSize(size, resizeExisting); }
+
+ virtual int GetLineAt(const wxGrid *grid, int pos) const
+ { return grid->GetColAt(pos); }
+ virtual int GetLinePos(const wxGrid *grid, int line) const
+ { return grid->GetColPos(line); }
+
+ virtual int GetLineBefore(const wxGrid* grid, int line) const
+ { return grid->GetColAt(wxMax(0, grid->GetColPos(line) - 1)); }
+
+ 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.
+//
+// Notice that all operations in this class work with display positions and not
+// internal indices which can be different if the columns were reordered.
+//
+// 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)
+ //
+ // TODO: Implementation of this method currently doesn't support column
+ // reordering as it mixes up indices and positions. But this doesn't
+ // really matter as it's only called for rows (Page Up/Down only work
+ // vertically) and row reordering is not currently supported. We'd
+ // need to fix it if this ever changes however.
+ 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:
+ // Get the position of the row or column from the given coordinates pair.
+ //
+ // This is just a shortcut to avoid repeating m_oper and m_grid multiple
+ // times in the derived classes code.
+ int GetLinePos(const wxGridCellCoords& coords) const
+ {
+ return m_oper.GetLinePos(m_grid, m_oper.Select(coords));
+ }
+
+ // Get the index of the row or column from the position.
+ int GetLineAt(int pos) const
+ {
+ return m_oper.GetLineAt(m_grid, pos);
+ }
+
+ // Check if the given line is visible, i.e. has non 0 size.
+ bool IsLineVisible(int line) const
+ {
+ return m_oper.GetLineSize(m_grid, line) != 0;
+ }
+
+
+ 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" );
+
+ int pos = GetLinePos(coords);
+ while ( pos )
+ {
+ // Check the previous line.
+ int line = GetLineAt(--pos);
+ if ( IsLineVisible(line) )
+ {
+ // There is another visible line before this one, hence it's
+ // not at boundary.
+ return false;
+ }
+ }
+
+ // We reached the boundary without finding any visible lines.
+ return true;
+ }
+
+ virtual void Advance(wxGridCellCoords& coords) const
+ {
+ int pos = GetLinePos(coords);
+ for ( ;; )
+ {
+ // This is not supposed to happen if IsAtBoundary() returned false.
+ wxCHECK_RET( pos, "can't advance when already at boundary" );
+
+ int line = GetLineAt(--pos);
+ if ( IsLineVisible(line) )
+ {
+ m_oper.Set(coords, line);
+ break;
+ }
+ }
+ }
+
+ 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);
+ }
+};
+
+// Please refer to the comments above when reading this class code, it's
+// absolutely symmetrical to wxGridBackwardOperations.
+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" );
+
+ int pos = GetLinePos(coords);
+ while ( pos < m_numLines - 1 )
+ {
+ int line = GetLineAt(++pos);
+ if ( IsLineVisible(line) )
+ return false;
+ }
+
+ return true;
+ }
+
+ virtual void Advance(wxGridCellCoords& coords) const
+ {
+ int pos = GetLinePos(coords);
+ for ( ;; )
+ {
+ wxCHECK_RET( pos < m_numLines - 1,
+ "can't advance when already at boundary" );
+
+ int line = GetLineAt(++pos);
+ if ( IsLineVisible(line) )
+ {
+ m_oper.Set(coords, line);
+ break;
+ }
+ }
+ }
+
+ 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;
+};
+
+// ----------------------------------------------------------------------------
+// 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_
projects / wxWidgets.git / blobdiff