Added class to handle selection inside wxGrid

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6402 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-03-02 19:41:17 +00:00
parent bc3cedfa48
commit 294f6bcbdb
3 changed files with 812 additions and 0 deletions
--- a/include/wx/generic/gridsel.h
+++ b/include/wx/generic/gridsel.h
@@ -0,0 +1,74 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/generic/gridsel.h
+// Purpose:     wxGridSelection
+// Author:      Stefan Neis
+// Modified by:
+// Created:     20/02/2000
+// RCS-ID:      $$
+// Copyright:   (c) Stefan Neis
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#include "wx/defs.h"
+
+#if defined(wxUSE_NEW_GRID) && (wxUSE_NEW_GRID)
+
+#ifndef __WXGRIDSEL_H__
+#define __WXGRIDSEL_H__
+
+#ifdef __GNUG__
+#pragma interface "gridsel.h"
+#endif
+
+#include "wx/grid.h"
+
+class WXDLLEXPORT wxGridSelection{
+public:
+    enum wxGridSelectionModes {wxGridSelectCells,
+			       wxGridSelectRows,
+			       wxGridSelectColumns};
+    wxGridSelection( wxGrid * grid, wxGridSelection::wxGridSelectionModes sel =
+		     wxGridSelection::wxGridSelectCells );
+    bool IsSelection();
+    bool IsInSelection ( int row, int col );
+    void SelectRow( int row, bool addToSelected = FALSE );
+    void SelectCol( int col, bool addToSelected = FALSE );
+    void SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol );
+    void SelectCell( int row, int col);
+    void ToggleCellSelection( int row, int col);
+    void ClearSelection();
+
+    void UpdateRows( size_t pos, int numRows );
+    void UpdateCols( size_t pos, int numCols );
+
+private:
+    int BlockContain( int topRow1, int leftCol1,
+		       int bottomRow1, int rightCol1,
+		       int topRow2, int leftCol2,
+		       int bottomRow2, int rightCol2 );
+      // returns 1, if Block1 contains Block2,
+      //        -1, if Block2 contains Block1,
+      //         0, otherwise
+
+    int BlockContainsCell( int topRow, int leftCol,
+			   int bottomRow, int rightCol,
+			   int row, int col )
+      // returns 1, if Block contains Cell,
+      //         0, otherwise
+    {
+        return ( topRow <= row && row <= bottomRow &&
+		 leftCol <= col && col <= rightCol );
+    }
+
+    wxGridCellCoordsArray	m_cellSelection;
+    wxGridCellCoordsArray	m_blockSelectionTopLeft;
+    wxGridCellCoordsArray	m_blockSelectionBottomRight;
+    wxArrayInt			m_rowSelection;
+    wxArrayInt 			m_colSelection;
+
+    wxGrid			*m_grid;
+    wxGridSelectionModes	m_selectionMode;
+};
+
+#endif	// #ifdef __WXGRIDSEL_H__
+#endif	// #ifndef wxUSE_NEW_GRID