added a test command to show the current selection

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36746 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/grid/griddemo.cpp

@@ -109,6 +109,7 @@ BEGIN_EVENT_TABLE( GridFrame, wxFrame )
     EVT_MENU( ID_SELECT_ROW, GridFrame::SelectRow)
     EVT_MENU( ID_SELECT_ALL, GridFrame::SelectAll)
     EVT_MENU( ID_SELECT_UNSELECT, GridFrame::OnAddToSelectToggle)
+    EVT_MENU( ID_SHOW_SELECTION, GridFrame::OnShowSelection)
 
     EVT_MENU( ID_SET_HIGHLIGHT_WIDTH, GridFrame::OnSetHighlightWidth)
     EVT_MENU( ID_SET_RO_HIGHLIGHT_WIDTH, GridFrame::OnSetROHighlightWidth)
@@ -191,10 +192,14 @@ GridFrame::GridFrame()
     selectMenu->Append( ID_SELECT_UNSELECT, _T("Add new cells to the selection"),
                         _T("When off, old selection is deselected before ")
                         _T("selecting the new cells"), wxITEM_CHECK );
+    selectMenu->Append( ID_SHOW_SELECTION,
+                        _T("&Show current selection\tCtrl-Alt-S"));
+    selectMenu->AppendSeparator();
     selectMenu->Append( ID_SELECT_ALL, _T("Select all"));
     selectMenu->Append( ID_SELECT_ROW, _T("Select row 2"));
     selectMenu->Append( ID_SELECT_COL, _T("Select col 2"));
     selectMenu->Append( ID_SELECT_CELL, _T("Select cell (3, 1)"));
+    selectMenu->AppendSeparator();
     selectMenu->Append( ID_DESELECT_ALL, _T("Deselect all"));
     selectMenu->Append( ID_DESELECT_ROW, _T("Deselect row 2"));
     selectMenu->Append( ID_DESELECT_COL, _T("Deselect col 2"));
@@ -833,6 +838,82 @@ void GridFrame::OnColSize( wxGridSizeEvent& ev )
 }
 
 
+void GridFrame::OnShowSelection(wxCommandEvent& WXUNUSED(event))
+{
+    // max number of elements to dump -- otherwise it can take too much time
+    static const size_t countMax = 100;
+
+    bool rows = false;
+
+    switch ( grid->GetSelectionMode() )
+    {
+        case wxGrid::wxGridSelectCells:
+            {
+                const wxGridCellCoordsArray cells(grid->GetSelectedCells());
+                size_t count = cells.size();
+                wxLogMessage(_T("%lu cells selected:"), (unsigned long)count);
+                if ( count > countMax )
+                {
+                    wxLogMessage(_T("[too many selected cells, ")
+                                 _T("showing only the first %lu]"),
+                                 (unsigned long)countMax);
+                    count = countMax;
+                }
+
+                for ( size_t n = 0; n < count; n++ )
+                {
+                    const wxGridCellCoords& c = cells[n];
+                    wxLogMessage(_T("  selected cell %lu: (%d, %d)"),
+                                 (unsigned long)n, c.GetCol(), c.GetRow());
+                }
+            }
+            break;
+
+        case wxGrid::wxGridSelectRows:
+            rows = true;
+            // fall through
+
+        case wxGrid::wxGridSelectColumns:
+            {
+                const wxChar *plural, *single;
+                if ( rows )
+                {
+                    plural = _T("rows");
+                    single = _T("row");
+                }
+                else // columns
+                {
+                    plural = _T("columns");
+                    single = _T("column");
+                }
+
+                const wxArrayInt sels(rows ? grid->GetSelectedRows()
+                                           : grid->GetSelectedCols());
+                size_t count = sels.size();
+                wxLogMessage(_T("%lu %s selected:"),
+                             (unsigned long)count, plural);
+                if ( count > countMax )
+                {
+                    wxLogMessage(_T("[too many selected %s, ")
+                                 _T("showing only the first %lu]"),
+                                 plural, (unsigned long)countMax);
+                    count = countMax;
+                }
+
+                for ( size_t n = 0; n < count; n++ )
+                {
+                    wxLogMessage(_T("  selected %s %lu: %d"),
+                                 single, (unsigned long)n, sels[n]);
+                }
+            }
+            break;
+
+        default:
+            wxFAIL_MSG( _T("unknown wxGrid selection mode") );
+            break;
+    }
+}
+
 void GridFrame::OnSelectCell( wxGridEvent& ev )
 {
     logBuf = wxEmptyString;

samples/grid/griddemo.h

@@ -73,6 +73,7 @@ class GridFrame : public wxFrame
     void SelectRow(wxCommandEvent& event);
     void SelectAll(wxCommandEvent& event);
     void OnAddToSelectToggle(wxCommandEvent& event);
+    void OnShowSelection(wxCommandEvent& event);
 
     void OnLabelLeftClick( wxGridEvent& );
     void OnCellLeftClick( wxGridEvent& );
@@ -137,6 +138,7 @@ public:
         ID_BUGS_TABLE,
         ID_SMALL_GRID,
         ID_SELECT_UNSELECT,
+        ID_SHOW_SELECTION,
         ID_SELECT_ALL,
         ID_SELECT_ROW,
         ID_SELECT_COL,