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make it possible to specify the virtual table size (this makes it easier to

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see that the memory taken by the grid doesn't depend on it with top)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6182 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-02-21 17:37:07 +00:00
parent 6d55126d0b
commit 1618dca721
2 changed files with 37 additions and 17 deletions
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22
samples/newgrid/griddemo.cpp
View File

@@ -612,8 +612,18 @@ void GridFrame::OnQuit( wxCommandEvent& WXUNUSED(ev) )
void GridFrame::OnVTable(wxCommandEvent& ) void GridFrame::OnVTable(wxCommandEvent& )
{ {
BigGridFrame* win = new BigGridFrame(); static long s_sizeGrid = 10000;
win->Show(TRUE);
s_sizeGrid = wxGetNumberFromUser("Size of the table to create",
"Size: ",
"wxGridDemo question",
s_sizeGrid,
0, 32000, this);
if ( s_sizeGrid != -1 )
{
BigGridFrame* win = new BigGridFrame(s_sizeGrid);
win->Show(TRUE);
}
} }
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
@@ -642,11 +652,11 @@ void MyGridCellRenderer::Draw(wxGrid& grid,
// BigGridFrame and BigGridTable: Sample of a non-standard table // BigGridFrame and BigGridTable: Sample of a non-standard table
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
BigGridFrame::BigGridFrame() BigGridFrame::BigGridFrame(long sizeGrid)
: wxFrame(NULL, -1, "Plugin Virtual Table", wxDefaultPosition, : wxFrame(NULL, -1, "Plugin Virtual Table",
wxSize(500, 450)) wxDefaultPosition, wxSize(500, 450))
{ {
m_grid = new wxGrid(this, -1, wxDefaultPosition, wxDefaultSize); m_grid = new wxGrid(this, -1, wxDefaultPosition, wxDefaultSize);
m_table = new BigGridTable; m_table = new BigGridTable(sizeGrid);
m_grid->SetTable(m_table, TRUE); m_grid->SetTable(m_table, TRUE);
} }

32
samples/newgrid/griddemo.h
View File

@@ -114,25 +114,35 @@ public:
bool isSelected); bool isSelected);
}; };
// ----------------------------------------------------------------------------
// demonstration of virtual table which doesn't store all of its data in
// memory
// ----------------------------------------------------------------------------
class BigGridTable : public wxGridTableBase { class BigGridTable : public wxGridTableBase
{
public: public:
long GetNumberRows() { return 10000; } BigGridTable(long sizeGrid) { m_sizeGrid = sizeGrid; }
long GetNumberCols() { return 10000; }
wxString GetValue( int row, int col ) { long GetNumberRows() { return m_sizeGrid; }
wxString str; long GetNumberCols() { return m_sizeGrid; }
str.Printf("(%d, %d)", row, col);
return str; wxString GetValue( int row, int col )
{
return wxString::Format("(%d, %d)", row, col);
} }
void SetValue( int , int , const wxString& ) {} void SetValue( int , int , const wxString& ) { /* ignore */ }
bool IsEmptyCell( int , int ) { return FALSE; } bool IsEmptyCell( int , int ) { return FALSE; }
private:
long m_sizeGrid;
}; };
class BigGridFrame : public wxFrame { class BigGridFrame : public wxFrame
{
public: public:
BigGridFrame(); BigGridFrame(long sizeGrid);
private: private:
wxGrid* m_grid; wxGrid* m_grid;
@@ -140,5 +150,5 @@ private:
}; };
#endif #endif // griddemo_h