wxWidgets/samples/grid/griddemo.cpp
Vadim Zeitlin ea805d32e4 Remove unnecessary statement from the grid sample.
No real changes.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72291 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2012-08-03 15:36:21 +00:00

2263 lines
66 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: griddemo.cpp
// Purpose: Grid control wxWidgets sample
// Author: Michael Bedward
// Modified by: Santiago Palacios
// RCS-ID: $Id$
// Copyright: (c) Michael Bedward, Julian Smart, Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/colordlg.h"
#include "wx/fontdlg.h"
#include "wx/numdlg.h"
#include "wx/aboutdlg.h"
#include "wx/grid.h"
#include "wx/headerctrl.h"
#include "wx/generic/gridctrl.h"
#include "wx/generic/grideditors.h"
#include "griddemo.h"
#ifndef wxHAS_IMAGES_IN_RESOURCES
#include "../sample.xpm"
#endif
// Custom renderer that renders column header cells without borders and in
// italic
class CustomColumnHeaderRenderer : public wxGridColumnHeaderRenderer
{
public:
CustomColumnHeaderRenderer(const wxColour& colFg, const wxColour& colBg)
: m_colFg(colFg),
m_colBg(colBg)
{
}
virtual void DrawLabel(const wxGrid& WXUNUSED(grid),
wxDC& dc,
const wxString& value,
const wxRect& rect,
int horizAlign,
int vertAlign,
int WXUNUSED(textOrientation)) const
{
dc.SetTextForeground(m_colFg);
dc.SetFont(wxITALIC_FONT->Bold());
dc.DrawLabel(value, rect, horizAlign | vertAlign);
}
virtual void DrawBorder(const wxGrid& WXUNUSED(grid),
wxDC& dc,
wxRect& rect) const
{
dc.SetPen(*wxTRANSPARENT_PEN);
dc.SetBrush(wxBrush(m_colBg));
dc.DrawRectangle(rect);
}
private:
const wxColour m_colFg, m_colBg;
wxDECLARE_NO_COPY_CLASS(CustomColumnHeaderRenderer);
};
// And a custom attributes provider which uses custom column header renderer
// defined above
class CustomColumnHeadersProvider : public wxGridCellAttrProvider
{
public:
// by default custom column renderer is not used, call
// UseCustomColHeaders() to enable it
CustomColumnHeadersProvider()
: m_customOddRenderer(*wxYELLOW, *wxBLUE),
m_customEvenRenderer(*wxWHITE, *wxBLACK),
m_useCustom(false)
{
}
// enable or disable the use of custom renderer for column headers
void UseCustomColHeaders(bool use = true) { m_useCustom = use; }
protected:
virtual const wxGridColumnHeaderRenderer& GetColumnHeaderRenderer(int col)
{
// if enabled, use custom renderers
if ( m_useCustom )
{
// and use different ones for odd and even columns -- just to show
// that we can
return col % 2 ? m_customOddRenderer : m_customEvenRenderer;
}
return wxGridCellAttrProvider::GetColumnHeaderRenderer(col);
}
private:
CustomColumnHeaderRenderer m_customOddRenderer,
m_customEvenRenderer;
bool m_useCustom;
wxDECLARE_NO_COPY_CLASS(CustomColumnHeadersProvider);
};
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
IMPLEMENT_APP( GridApp )
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// GridApp
// ----------------------------------------------------------------------------
bool GridApp::OnInit()
{
GridFrame *frame = new GridFrame;
frame->Show(true);
return true;
}
// ----------------------------------------------------------------------------
// GridFrame
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE( GridFrame, wxFrame )
EVT_MENU( ID_TOGGLEROWLABELS, GridFrame::ToggleRowLabels )
EVT_MENU( ID_TOGGLECOLLABELS, GridFrame::ToggleColLabels )
EVT_MENU( ID_TOGGLEEDIT, GridFrame::ToggleEditing )
EVT_MENU( ID_TOGGLEROWSIZING, GridFrame::ToggleRowSizing )
EVT_MENU( ID_TOGGLECOLSIZING, GridFrame::ToggleColSizing )
EVT_MENU( ID_TOGGLECOLMOVING, GridFrame::ToggleColMoving )
EVT_MENU( ID_TOGGLEGRIDSIZING, GridFrame::ToggleGridSizing )
EVT_MENU( ID_TOGGLEGRIDDRAGCELL, GridFrame::ToggleGridDragCell )
EVT_MENU( ID_COLNATIVEHEADER, GridFrame::SetNativeColHeader )
EVT_MENU( ID_COLDEFAULTHEADER, GridFrame::SetDefaultColHeader )
EVT_MENU( ID_COLCUSTOMHEADER, GridFrame::SetCustomColHeader )
EVT_MENU( ID_TOGGLEGRIDLINES, GridFrame::ToggleGridLines )
EVT_MENU( ID_AUTOSIZECOLS, GridFrame::AutoSizeCols )
EVT_MENU( ID_CELLOVERFLOW, GridFrame::CellOverflow )
EVT_MENU( ID_RESIZECELL, GridFrame::ResizeCell )
EVT_MENU( ID_SETLABELCOLOUR, GridFrame::SetLabelColour )
EVT_MENU( ID_SETLABELTEXTCOLOUR, GridFrame::SetLabelTextColour )
EVT_MENU( ID_SETLABEL_FONT, GridFrame::SetLabelFont )
EVT_MENU( ID_ROWLABELHORIZALIGN, GridFrame::SetRowLabelHorizAlignment )
EVT_MENU( ID_ROWLABELVERTALIGN, GridFrame::SetRowLabelVertAlignment )
EVT_MENU( ID_COLLABELHORIZALIGN, GridFrame::SetColLabelHorizAlignment )
EVT_MENU( ID_COLLABELVERTALIGN, GridFrame::SetColLabelVertAlignment )
EVT_MENU( ID_GRIDLINECOLOUR, GridFrame::SetGridLineColour )
EVT_MENU( ID_INSERTROW, GridFrame::InsertRow )
EVT_MENU( ID_INSERTCOL, GridFrame::InsertCol )
EVT_MENU( ID_DELETEROW, GridFrame::DeleteSelectedRows )
EVT_MENU( ID_DELETECOL, GridFrame::DeleteSelectedCols )
EVT_MENU( ID_CLEARGRID, GridFrame::ClearGrid )
EVT_MENU( ID_SELCELLS, GridFrame::SelectCells )
EVT_MENU( ID_SELROWS, GridFrame::SelectRows )
EVT_MENU( ID_SELCOLS, GridFrame::SelectCols )
EVT_MENU( ID_SELROWSORCOLS, GridFrame::SelectRowsOrCols )
EVT_MENU( ID_SET_CELL_FG_COLOUR, GridFrame::SetCellFgColour )
EVT_MENU( ID_SET_CELL_BG_COLOUR, GridFrame::SetCellBgColour )
EVT_MENU( wxID_ABOUT, GridFrame::About )
EVT_MENU( wxID_EXIT, GridFrame::OnQuit )
EVT_MENU( ID_VTABLE, GridFrame::OnVTable)
EVT_MENU( ID_BUGS_TABLE, GridFrame::OnBugsTable)
EVT_MENU( ID_TABULAR_TABLE, GridFrame::OnTabularTable)
EVT_MENU( ID_DESELECT_CELL, GridFrame::DeselectCell)
EVT_MENU( ID_DESELECT_COL, GridFrame::DeselectCol)
EVT_MENU( ID_DESELECT_ROW, GridFrame::DeselectRow)
EVT_MENU( ID_DESELECT_ALL, GridFrame::DeselectAll)
EVT_MENU( ID_SELECT_CELL, GridFrame::SelectCell)
EVT_MENU( ID_SELECT_COL, GridFrame::SelectCol)
EVT_MENU( ID_SELECT_ROW, GridFrame::SelectRow)
EVT_MENU( ID_SELECT_ALL, GridFrame::SelectAll)
EVT_MENU( ID_SELECT_UNSELECT, GridFrame::OnAddToSelectToggle)
EVT_MENU( ID_SIZE_ROW, GridFrame::AutoSizeRow )
EVT_MENU( ID_SIZE_COL, GridFrame::AutoSizeCol )
EVT_MENU( ID_SIZE_ROW_LABEL, GridFrame::AutoSizeRowLabel )
EVT_MENU( ID_SIZE_COL_LABEL, GridFrame::AutoSizeColLabel )
EVT_MENU( ID_SIZE_LABELS_COL, GridFrame::AutoSizeLabelsCol )
EVT_MENU( ID_SIZE_LABELS_ROW, GridFrame::AutoSizeLabelsRow )
EVT_MENU( ID_SIZE_GRID, GridFrame::AutoSizeTable )
EVT_MENU( ID_SET_HIGHLIGHT_WIDTH, GridFrame::OnSetHighlightWidth)
EVT_MENU( ID_SET_RO_HIGHLIGHT_WIDTH, GridFrame::OnSetROHighlightWidth)
EVT_MENU( wxID_PRINT, GridFrame::OnGridRender )
EVT_MENU( ID_RENDER_COORDS, GridFrame::OnGridRender )
EVT_GRID_LABEL_LEFT_CLICK( GridFrame::OnLabelLeftClick )
EVT_GRID_CELL_LEFT_CLICK( GridFrame::OnCellLeftClick )
EVT_GRID_ROW_SIZE( GridFrame::OnRowSize )
EVT_GRID_COL_SIZE( GridFrame::OnColSize )
EVT_GRID_SELECT_CELL( GridFrame::OnSelectCell )
EVT_GRID_RANGE_SELECT( GridFrame::OnRangeSelected )
EVT_GRID_CELL_CHANGING( GridFrame::OnCellValueChanging )
EVT_GRID_CELL_CHANGED( GridFrame::OnCellValueChanged )
EVT_GRID_CELL_BEGIN_DRAG( GridFrame::OnCellBeginDrag )
EVT_GRID_EDITOR_SHOWN( GridFrame::OnEditorShown )
EVT_GRID_EDITOR_HIDDEN( GridFrame::OnEditorHidden )
END_EVENT_TABLE()
GridFrame::GridFrame()
: wxFrame( (wxFrame *)NULL, wxID_ANY, wxT("wxWidgets grid class demo"),
wxDefaultPosition,
wxDefaultSize )
{
SetIcon(wxICON(sample));
wxMenu *fileMenu = new wxMenu;
fileMenu->Append( ID_VTABLE, wxT("&Virtual table test\tCtrl-V"));
fileMenu->Append( ID_BUGS_TABLE, wxT("&Bugs table test\tCtrl-B"));
fileMenu->Append( ID_TABULAR_TABLE, wxT("&Tabular table test\tCtrl-T"));
fileMenu->AppendSeparator();
wxMenu* setupMenu = new wxMenu;
wxMenuItem* item;
item = setupMenu->AppendCheckItem( ID_RENDER_ROW_LABEL,
"Render row labels" );
item->Check();
item = setupMenu->AppendCheckItem( ID_RENDER_COL_LABEL,
"Render column labels" );
item->Check();
item = setupMenu->AppendCheckItem( ID_RENDER_GRID_LINES,
"Render grid cell lines" );
item->Check();
item = setupMenu->AppendCheckItem( ID_RENDER_GRID_BORDER,
"Render border" );
item->Check();
item = setupMenu->AppendCheckItem( ID_RENDER_SELECT_HLIGHT,
"Render selection highlight" );
setupMenu->AppendSeparator();
setupMenu->AppendCheckItem( ID_RENDER_LOMETRIC,
"Use LOMETRIC mapping mode" );
setupMenu->AppendCheckItem( ID_RENDER_DEFAULT_SIZE,
"Use wxDefaultSize" );
setupMenu->AppendCheckItem( ID_RENDER_MARGIN,
"Logical 50 unit margin" );
setupMenu->AppendCheckItem( ID_RENDER_ZOOM,
"Zoom 125%" );
fileMenu->AppendSubMenu( setupMenu, "Render setup" );
fileMenu->Append( wxID_PRINT, "Render" );
fileMenu->Append( ID_RENDER_COORDS, "Render G5:P30" );
fileMenu->AppendSeparator();
fileMenu->Append( wxID_EXIT, wxT("E&xit\tAlt-X") );
wxMenu *viewMenu = new wxMenu;
viewMenu->AppendCheckItem(ID_TOGGLEROWLABELS, "&Row labels");
viewMenu->AppendCheckItem(ID_TOGGLECOLLABELS, "&Col labels");
viewMenu->AppendCheckItem(ID_TOGGLEEDIT,"&Editable");
viewMenu->AppendCheckItem(ID_TOGGLEROWSIZING, "Ro&w drag-resize");
viewMenu->AppendCheckItem(ID_TOGGLECOLSIZING, "C&ol drag-resize");
viewMenu->AppendCheckItem(ID_TOGGLECOLMOVING, "Col drag-&move");
viewMenu->AppendCheckItem(ID_TOGGLEGRIDSIZING, "&Grid drag-resize");
viewMenu->AppendCheckItem(ID_TOGGLEGRIDDRAGCELL, "&Grid drag-cell");
viewMenu->AppendCheckItem(ID_TOGGLEGRIDLINES, "&Grid Lines");
viewMenu->AppendCheckItem(ID_SET_HIGHLIGHT_WIDTH, "&Set Cell Highlight Width...");
viewMenu->AppendCheckItem(ID_SET_RO_HIGHLIGHT_WIDTH, "&Set Cell RO Highlight Width...");
viewMenu->AppendCheckItem(ID_AUTOSIZECOLS, "&Auto-size cols");
viewMenu->AppendCheckItem(ID_CELLOVERFLOW, "&Overflow cells");
viewMenu->AppendCheckItem(ID_RESIZECELL, "&Resize cell (7,1)");
wxMenu *rowLabelMenu = new wxMenu;
viewMenu->Append( ID_ROWLABELALIGN, wxT("R&ow label alignment"),
rowLabelMenu,
wxT("Change alignment of row labels") );
rowLabelMenu->AppendRadioItem( ID_ROWLABELHORIZALIGN, wxT("&Horizontal") );
rowLabelMenu->AppendRadioItem( ID_ROWLABELVERTALIGN, wxT("&Vertical") );
wxMenu *colLabelMenu = new wxMenu;
viewMenu->Append( ID_COLLABELALIGN, wxT("Col l&abel alignment"),
colLabelMenu,
wxT("Change alignment of col labels") );
colLabelMenu->AppendRadioItem( ID_COLLABELHORIZALIGN, wxT("&Horizontal") );
colLabelMenu->AppendRadioItem( ID_COLLABELVERTALIGN, wxT("&Vertical") );
wxMenu *colHeaderMenu = new wxMenu;
viewMenu->Append( ID_ROWLABELALIGN, wxT("Col header style"),
colHeaderMenu,
wxT("Change style of col header") );
colHeaderMenu->AppendRadioItem( ID_COLDEFAULTHEADER, wxT("&Default") );
colHeaderMenu->AppendRadioItem( ID_COLNATIVEHEADER, wxT("&Native") );
colHeaderMenu->AppendRadioItem( ID_COLCUSTOMHEADER, wxT("&Custom") );
wxMenu *colMenu = new wxMenu;
colMenu->Append( ID_SETLABELCOLOUR, wxT("Set &label colour...") );
colMenu->Append( ID_SETLABELTEXTCOLOUR, wxT("Set label &text colour...") );
colMenu->Append( ID_SETLABEL_FONT, wxT("Set label fo&nt...") );
colMenu->Append( ID_GRIDLINECOLOUR, wxT("&Grid line colour...") );
colMenu->Append( ID_SET_CELL_FG_COLOUR, wxT("Set cell &foreground colour...") );
colMenu->Append( ID_SET_CELL_BG_COLOUR, wxT("Set cell &background colour...") );
wxMenu *editMenu = new wxMenu;
editMenu->Append( ID_INSERTROW, wxT("Insert &row") );
editMenu->Append( ID_INSERTCOL, wxT("Insert &column") );
editMenu->Append( ID_DELETEROW, wxT("Delete selected ro&ws") );
editMenu->Append( ID_DELETECOL, wxT("Delete selected co&ls") );
editMenu->Append( ID_CLEARGRID, wxT("Cl&ear grid cell contents") );
wxMenu *selectMenu = new wxMenu;
selectMenu->Append( ID_SELECT_UNSELECT, wxT("Add new cells to the selection"),
wxT("When off, old selection is deselected before ")
wxT("selecting the new cells"), wxITEM_CHECK );
selectMenu->AppendSeparator();
selectMenu->Append( ID_SELECT_ALL, wxT("Select all"));
selectMenu->Append( ID_SELECT_ROW, wxT("Select row 2"));
selectMenu->Append( ID_SELECT_COL, wxT("Select col 2"));
selectMenu->Append( ID_SELECT_CELL, wxT("Select cell (3, 1)"));
selectMenu->AppendSeparator();
selectMenu->Append( ID_DESELECT_ALL, wxT("Deselect all"));
selectMenu->Append( ID_DESELECT_ROW, wxT("Deselect row 2"));
selectMenu->Append( ID_DESELECT_COL, wxT("Deselect col 2"));
selectMenu->Append( ID_DESELECT_CELL, wxT("Deselect cell (3, 1)"));
wxMenu *selectionMenu = new wxMenu;
selectMenu->Append( ID_CHANGESEL, wxT("Change &selection mode"),
selectionMenu,
wxT("Change selection mode") );
selectionMenu->Append( ID_SELCELLS, wxT("Select &cells") );
selectionMenu->Append( ID_SELROWS, wxT("Select &rows") );
selectionMenu->Append( ID_SELCOLS, wxT("Select col&umns") );
selectionMenu->Append( ID_SELROWSORCOLS, wxT("Select rows &or columns") );
wxMenu *autosizeMenu = new wxMenu;
autosizeMenu->Append( ID_SIZE_ROW, wxT("Selected &row data") );
autosizeMenu->Append( ID_SIZE_COL, wxT("Selected &column data") );
autosizeMenu->Append( ID_SIZE_ROW_LABEL, wxT("Selected row la&bel") );
autosizeMenu->Append( ID_SIZE_COL_LABEL, wxT("Selected column &label") );
autosizeMenu->Append( ID_SIZE_LABELS_COL, wxT("Column la&bels") );
autosizeMenu->Append( ID_SIZE_LABELS_ROW, wxT("Row label&s") );
autosizeMenu->Append( ID_SIZE_GRID, wxT("Entire &grid") );
wxMenu *helpMenu = new wxMenu;
helpMenu->Append( wxID_ABOUT, wxT("&About wxGrid demo") );
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append( fileMenu, wxT("&File") );
menuBar->Append( viewMenu, wxT("&Grid") );
menuBar->Append( colMenu, wxT("&Colours") );
menuBar->Append( editMenu, wxT("&Edit") );
menuBar->Append( selectMenu, wxT("&Select") );
menuBar->Append( autosizeMenu, wxT("&Autosize") );
menuBar->Append( helpMenu, wxT("&Help") );
SetMenuBar( menuBar );
m_addToSel = false;
grid = new wxGrid( this,
wxID_ANY,
wxPoint( 0, 0 ),
wxSize( 400, 300 ) );
#if wxUSE_LOG
int gridW = 600, gridH = 300;
int logW = gridW, logH = 100;
logWin = new wxTextCtrl( this,
wxID_ANY,
wxEmptyString,
wxPoint( 0, gridH + 20 ),
wxSize( logW, logH ),
wxTE_MULTILINE );
logger = new wxLogTextCtrl( logWin );
m_logOld = wxLog::SetActiveTarget( logger );
wxLog::DisableTimestamp();
#endif // wxUSE_LOG
// this will create a grid and, by default, an associated grid
// table for strings
grid->CreateGrid( 0, 0 );
grid->GetTable()->SetAttrProvider(new CustomColumnHeadersProvider());
grid->AppendRows(100);
grid->AppendCols(100);
int ir = grid->GetNumberRows();
grid->DeleteRows(0, ir);
grid->AppendRows(ir);
grid->SetRowSize( 0, 60 );
grid->SetCellValue( 0, 0, wxT("Ctrl+Home\nwill go to\nthis cell") );
grid->SetCellValue( 0, 1, wxT("A long piece of text to demonstrate wrapping.") );
grid->SetCellRenderer(0 , 1, new wxGridCellAutoWrapStringRenderer);
grid->SetCellEditor( 0, 1 , new wxGridCellAutoWrapStringEditor);
grid->SetCellValue( 0, 2, wxT("Blah") );
grid->SetCellValue( 0, 3, wxT("Read only") );
grid->SetReadOnly( 0, 3 );
grid->SetCellValue( 0, 4, wxT("Can veto edit this cell") );
grid->SetCellValue( 0, 5, wxT("Press\nCtrl+arrow\nto skip over\ncells") );
grid->SetRowSize( 99, 60 );
grid->SetCellValue( 99, 99, wxT("Ctrl+End\nwill go to\nthis cell") );
grid->SetCellValue( 1, 0, wxT("This default cell will overflow into neighboring cells, but not if you turn overflow off."));
grid->SetCellTextColour(1, 2, *wxRED);
grid->SetCellBackgroundColour(1, 2, *wxGREEN);
grid->SetCellValue( 1, 4, wxT("I'm in the middle"));
grid->SetCellValue(2, 2, wxT("red"));
grid->SetCellTextColour(2, 2, *wxRED);
grid->SetCellValue(3, 3, wxT("green on grey"));
grid->SetCellTextColour(3, 3, *wxGREEN);
grid->SetCellBackgroundColour(3, 3, *wxLIGHT_GREY);
grid->SetCellValue(4, 4, wxT("a weird looking cell"));
grid->SetCellAlignment(4, 4, wxALIGN_CENTRE, wxALIGN_CENTRE);
grid->SetCellRenderer(4, 4, new MyGridCellRenderer);
grid->SetCellRenderer(3, 0, new wxGridCellBoolRenderer);
grid->SetCellEditor(3, 0, new wxGridCellBoolEditor);
wxGridCellAttr *attr;
attr = new wxGridCellAttr;
attr->SetTextColour(*wxBLUE);
grid->SetColAttr(5, attr);
attr = new wxGridCellAttr;
attr->SetBackgroundColour(*wxRED);
grid->SetRowAttr(5, attr);
grid->SetCellValue(2, 4, wxT("a wider column"));
grid->SetColSize(4, 120);
grid->SetColMinimalWidth(4, 120);
grid->SetCellTextColour(5, 8, *wxGREEN);
grid->SetCellValue(5, 8, wxT("Bg from row attr\nText col from cell attr"));
grid->SetCellValue(5, 5, wxT("Bg from row attr Text col from col attr and this text is so long that it covers over many many empty cells but is broken by one that isn't"));
// Some numeric columns with different formatting.
grid->SetColFormatFloat(6);
grid->SetCellValue(0, 6, "Default\nfloat format");
grid->SetCellValue(1, 6, wxString::Format(wxT("%g"), 3.1415));
grid->SetCellValue(2, 6, wxString::Format(wxT("%g"), 1415.0));
grid->SetCellValue(3, 6, wxString::Format(wxT("%g"), 12345.67890));
grid->SetColFormatFloat(7, 6, 2);
grid->SetCellValue(0, 7, "Width 6\nprecision 2");
grid->SetCellValue(1, 7, wxString::Format(wxT("%g"), 3.1415));
grid->SetCellValue(2, 7, wxString::Format(wxT("%g"), 1415.0));
grid->SetCellValue(3, 7, wxString::Format(wxT("%g"), 12345.67890));
grid->SetColFormatCustom(8,
wxString::Format("%s:%i,%i,%s", wxGRID_VALUE_FLOAT, -1, 4, "g"));
grid->SetCellValue(0, 8, "Compact\nformat");
grid->SetCellValue(1, 8, wxT("31415e-4"));
grid->SetCellValue(2, 8, wxT("1415"));
grid->SetCellValue(3, 8, wxT("123456789e-4"));
grid->SetColFormatNumber(9);
grid->SetCellValue(0, 9, "Integer\ncolumn");
grid->SetCellValue(1, 9, "17");
grid->SetCellValue(2, 9, "0");
grid->SetCellValue(3, 9, "-666");
grid->SetCellAlignment(3, 9, wxALIGN_CENTRE, wxALIGN_TOP);
grid->SetCellValue(3, 10, "<- This numeric cell should be centred");
const wxString choices[] =
{
wxT("Please select a choice"),
wxT("This takes two cells"),
wxT("Another choice"),
};
grid->SetCellEditor(4, 0, new wxGridCellChoiceEditor(WXSIZEOF(choices), choices));
grid->SetCellSize(4, 0, 1, 2);
grid->SetCellValue(4, 0, choices[0]);
grid->SetCellOverflow(4, 0, false);
grid->SetCellSize(7, 1, 3, 4);
grid->SetCellAlignment(7, 1, wxALIGN_CENTRE, wxALIGN_CENTRE);
grid->SetCellValue(7, 1, wxT("Big box!"));
// create a separator-like row: it's grey and it's non-resizable
grid->DisableRowResize(10);
grid->SetRowSize(10, 30);
attr = new wxGridCellAttr;
attr->SetBackgroundColour(*wxLIGHT_GREY);
grid->SetRowAttr(10, attr);
grid->SetCellValue(10, 0, "You can't resize this row interactively -- try it");
// this does exactly nothing except testing that SetAttr() handles NULL
// attributes and does reference counting correctly
grid->SetAttr(11, 11, NULL);
grid->SetAttr(11, 11, new wxGridCellAttr);
grid->SetAttr(11, 11, NULL);
wxBoxSizer *topSizer = new wxBoxSizer( wxVERTICAL );
topSizer->Add( grid,
1,
wxEXPAND );
#if wxUSE_LOG
topSizer->Add( logWin,
0,
wxEXPAND );
#endif // wxUSE_LOG
SetSizerAndFit( topSizer );
Centre();
SetDefaults();
}
GridFrame::~GridFrame()
{
#if wxUSE_LOG
delete wxLog::SetActiveTarget(m_logOld);
#endif // wxUSE_LOG
}
void GridFrame::SetDefaults()
{
GetMenuBar()->Check( ID_TOGGLEROWLABELS, true );
GetMenuBar()->Check( ID_TOGGLECOLLABELS, true );
GetMenuBar()->Check( ID_TOGGLEEDIT, true );
GetMenuBar()->Check( ID_TOGGLEROWSIZING, true );
GetMenuBar()->Check( ID_TOGGLECOLSIZING, true );
GetMenuBar()->Check( ID_TOGGLECOLMOVING, false );
GetMenuBar()->Check( ID_TOGGLEGRIDSIZING, true );
GetMenuBar()->Check( ID_TOGGLEGRIDDRAGCELL, false );
GetMenuBar()->Check( ID_TOGGLEGRIDLINES, true );
GetMenuBar()->Check( ID_CELLOVERFLOW, true );
}
void GridFrame::ToggleRowLabels( wxCommandEvent& WXUNUSED(ev) )
{
if ( GetMenuBar()->IsChecked( ID_TOGGLEROWLABELS ) )
{
grid->SetRowLabelSize( grid->GetDefaultRowLabelSize() );
}
else
{
grid->SetRowLabelSize( 0 );
}
}
void GridFrame::ToggleColLabels( wxCommandEvent& WXUNUSED(ev) )
{
if ( GetMenuBar()->IsChecked( ID_TOGGLECOLLABELS ) )
{
grid->SetColLabelSize( grid->GetDefaultColLabelSize() );
}
else
{
grid->SetColLabelSize( 0 );
}
}
void GridFrame::ToggleEditing( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableEditing(
GetMenuBar()->IsChecked( ID_TOGGLEEDIT ) );
}
void GridFrame::ToggleRowSizing( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableDragRowSize(
GetMenuBar()->IsChecked( ID_TOGGLEROWSIZING ) );
}
void GridFrame::ToggleColSizing( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableDragColSize(
GetMenuBar()->IsChecked( ID_TOGGLECOLSIZING ) );
}
void GridFrame::ToggleColMoving( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableDragColMove(
GetMenuBar()->IsChecked( ID_TOGGLECOLMOVING ) );
}
void GridFrame::ToggleGridSizing( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableDragGridSize(
GetMenuBar()->IsChecked( ID_TOGGLEGRIDSIZING ) );
}
void GridFrame::ToggleGridDragCell( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableDragCell(
GetMenuBar()->IsChecked( ID_TOGGLEGRIDDRAGCELL ) );
}
void GridFrame::SetNativeColHeader( wxCommandEvent& WXUNUSED(ev) )
{
CustomColumnHeadersProvider* provider =
static_cast<CustomColumnHeadersProvider*>(grid->GetTable()->GetAttrProvider());
provider->UseCustomColHeaders(false);
grid->SetUseNativeColLabels(true);
}
void GridFrame::SetCustomColHeader( wxCommandEvent& WXUNUSED(ev) )
{
CustomColumnHeadersProvider* provider =
static_cast<CustomColumnHeadersProvider*>(grid->GetTable()->GetAttrProvider());
provider->UseCustomColHeaders(true);
grid->SetUseNativeColLabels(false);
}
void GridFrame::SetDefaultColHeader( wxCommandEvent& WXUNUSED(ev) )
{
CustomColumnHeadersProvider* provider =
static_cast<CustomColumnHeadersProvider*>(grid->GetTable()->GetAttrProvider());
provider->UseCustomColHeaders(false);
grid->SetUseNativeColLabels(false);
}
void GridFrame::ToggleGridLines( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableGridLines(
GetMenuBar()->IsChecked( ID_TOGGLEGRIDLINES ) );
}
void GridFrame::OnSetHighlightWidth( wxCommandEvent& WXUNUSED(ev) )
{
wxString choices[] = { wxT("0"), wxT("1"), wxT("2"), wxT("3"), wxT("4"), wxT("5"), wxT("6"), wxT("7"), wxT("8"), wxT("9"), wxT("10")};
wxSingleChoiceDialog dlg(this, wxT("Choose the thickness of the highlight pen:"),
wxT("Pen Width"), 11, choices);
int current = grid->GetCellHighlightPenWidth();
dlg.SetSelection(current);
if (dlg.ShowModal() == wxID_OK) {
grid->SetCellHighlightPenWidth(dlg.GetSelection());
}
}
void GridFrame::OnSetROHighlightWidth( wxCommandEvent& WXUNUSED(ev) )
{
wxString choices[] = { wxT("0"), wxT("1"), wxT("2"), wxT("3"), wxT("4"), wxT("5"), wxT("6"), wxT("7"), wxT("8"), wxT("9"), wxT("10")};
wxSingleChoiceDialog dlg(this, wxT("Choose the thickness of the highlight pen:"),
wxT("Pen Width"), 11, choices);
int current = grid->GetCellHighlightROPenWidth();
dlg.SetSelection(current);
if (dlg.ShowModal() == wxID_OK) {
grid->SetCellHighlightROPenWidth(dlg.GetSelection());
}
}
void GridFrame::AutoSizeCols( wxCommandEvent& WXUNUSED(ev) )
{
grid->AutoSizeColumns();
grid->Refresh();
}
void GridFrame::CellOverflow( wxCommandEvent& ev )
{
grid->SetDefaultCellOverflow(ev.IsChecked());
grid->Refresh();
}
void GridFrame::ResizeCell( wxCommandEvent& ev )
{
if (ev.IsChecked())
grid->SetCellSize( 7, 1, 5, 5 );
else
grid->SetCellSize( 7, 1, 1, 5 );
grid->Refresh();
}
void GridFrame::SetLabelColour( wxCommandEvent& WXUNUSED(ev) )
{
wxColourDialog dlg( NULL );
if ( dlg.ShowModal() == wxID_OK )
{
wxColourData retData;
retData = dlg.GetColourData();
wxColour colour = retData.GetColour();
grid->SetLabelBackgroundColour( colour );
}
}
void GridFrame::SetLabelTextColour( wxCommandEvent& WXUNUSED(ev) )
{
wxColourDialog dlg( NULL );
if ( dlg.ShowModal() == wxID_OK )
{
wxColourData retData;
retData = dlg.GetColourData();
wxColour colour = retData.GetColour();
grid->SetLabelTextColour( colour );
}
}
void GridFrame::SetLabelFont( wxCommandEvent& WXUNUSED(ev) )
{
wxFont font = wxGetFontFromUser(this);
if ( font.IsOk() )
{
grid->SetLabelFont(font);
}
}
void GridFrame::SetRowLabelHorizAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetRowLabelAlignment( &horiz, &vert );
switch ( horiz )
{
case wxALIGN_LEFT:
horiz = wxALIGN_CENTRE;
break;
case wxALIGN_CENTRE:
horiz = wxALIGN_RIGHT;
break;
case wxALIGN_RIGHT:
horiz = wxALIGN_LEFT;
break;
}
grid->SetRowLabelAlignment( horiz, vert );
}
void GridFrame::SetRowLabelVertAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetRowLabelAlignment( &horiz, &vert );
switch ( vert )
{
case wxALIGN_TOP:
vert = wxALIGN_CENTRE;
break;
case wxALIGN_CENTRE:
vert = wxALIGN_BOTTOM;
break;
case wxALIGN_BOTTOM:
vert = wxALIGN_TOP;
break;
}
grid->SetRowLabelAlignment( horiz, vert );
}
void GridFrame::SetColLabelHorizAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetColLabelAlignment( &horiz, &vert );
switch ( horiz )
{
case wxALIGN_LEFT:
horiz = wxALIGN_CENTRE;
break;
case wxALIGN_CENTRE:
horiz = wxALIGN_RIGHT;
break;
case wxALIGN_RIGHT:
horiz = wxALIGN_LEFT;
break;
}
grid->SetColLabelAlignment( horiz, vert );
}
void GridFrame::SetColLabelVertAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetColLabelAlignment( &horiz, &vert );
switch ( vert )
{
case wxALIGN_TOP:
vert = wxALIGN_CENTRE;
break;
case wxALIGN_CENTRE:
vert = wxALIGN_BOTTOM;
break;
case wxALIGN_BOTTOM:
vert = wxALIGN_TOP;
break;
}
grid->SetColLabelAlignment( horiz, vert );
}
void GridFrame::SetGridLineColour( wxCommandEvent& WXUNUSED(ev) )
{
wxColourDialog dlg( NULL );
if ( dlg.ShowModal() == wxID_OK )
{
wxColourData retData;
retData = dlg.GetColourData();
wxColour colour = retData.GetColour();
grid->SetGridLineColour( colour );
}
}
void GridFrame::InsertRow( wxCommandEvent& WXUNUSED(ev) )
{
grid->InsertRows( grid->GetGridCursorRow(), 1 );
}
void GridFrame::InsertCol( wxCommandEvent& WXUNUSED(ev) )
{
grid->InsertCols( grid->GetGridCursorCol(), 1 );
}
void GridFrame::DeleteSelectedRows( wxCommandEvent& WXUNUSED(ev) )
{
if ( grid->IsSelection() )
{
wxGridUpdateLocker locker(grid);
for ( int n = 0; n < grid->GetNumberRows(); )
{
if ( grid->IsInSelection( n , 0 ) )
grid->DeleteRows( n, 1 );
else
n++;
}
}
}
void GridFrame::AutoSizeRow(wxCommandEvent& WXUNUSED(event))
{
wxGridUpdateLocker locker(grid);
const wxArrayInt sels = grid->GetSelectedRows();
for ( size_t n = 0, count = sels.size(); n < count; n++ )
{
grid->AutoSizeRow( sels[n], false );
}
}
void GridFrame::AutoSizeCol(wxCommandEvent& WXUNUSED(event))
{
wxGridUpdateLocker locker(grid);
const wxArrayInt sels = grid->GetSelectedCols();
for ( size_t n = 0, count = sels.size(); n < count; n++ )
{
grid->AutoSizeColumn( sels[n], false );
}
}
void GridFrame::AutoSizeRowLabel(wxCommandEvent& WXUNUSED(event))
{
wxGridUpdateLocker locker(grid);
const wxArrayInt sels = grid->GetSelectedRows();
for ( size_t n = 0, count = sels.size(); n < count; n++ )
{
grid->AutoSizeRowLabelSize( sels[n] );
}
}
void GridFrame::AutoSizeColLabel(wxCommandEvent& WXUNUSED(event))
{
wxGridUpdateLocker locker(grid);
const wxArrayInt sels = grid->GetSelectedCols();
for ( size_t n = 0, count = sels.size(); n < count; n++ )
{
grid->AutoSizeColLabelSize( sels[n] );
}
}
void GridFrame::AutoSizeLabelsCol(wxCommandEvent& WXUNUSED(event))
{
grid->SetColLabelSize( wxGRID_AUTOSIZE );
}
void GridFrame::AutoSizeLabelsRow(wxCommandEvent& WXUNUSED(event))
{
grid->SetRowLabelSize( wxGRID_AUTOSIZE );
}
void GridFrame::AutoSizeTable(wxCommandEvent& WXUNUSED(event))
{
grid->AutoSize();
}
void GridFrame::DeleteSelectedCols( wxCommandEvent& WXUNUSED(ev) )
{
if ( grid->IsSelection() )
{
wxGridUpdateLocker locker(grid);
for ( int n = 0; n < grid->GetNumberCols(); )
{
if ( grid->IsInSelection( 0 , n ) )
grid->DeleteCols( n, 1 );
else
n++;
}
}
}
void GridFrame::ClearGrid( wxCommandEvent& WXUNUSED(ev) )
{
grid->ClearGrid();
}
void GridFrame::SelectCells( wxCommandEvent& WXUNUSED(ev) )
{
grid->SetSelectionMode( wxGrid::wxGridSelectCells );
}
void GridFrame::SelectRows( wxCommandEvent& WXUNUSED(ev) )
{
grid->SetSelectionMode( wxGrid::wxGridSelectRows );
}
void GridFrame::SelectCols( wxCommandEvent& WXUNUSED(ev) )
{
grid->SetSelectionMode( wxGrid::wxGridSelectColumns );
}
void GridFrame::SelectRowsOrCols( wxCommandEvent& WXUNUSED(ev) )
{
grid->SetSelectionMode( wxGrid::wxGridSelectRowsOrColumns );
}
void GridFrame::SetCellFgColour( wxCommandEvent& WXUNUSED(ev) )
{
wxColour col = wxGetColourFromUser(this);
if ( col.IsOk() )
{
grid->SetDefaultCellTextColour(col);
grid->Refresh();
}
}
void GridFrame::SetCellBgColour( wxCommandEvent& WXUNUSED(ev) )
{
wxColour col = wxGetColourFromUser(this);
if ( col.IsOk() )
{
// Check the new Refresh function by passing it a rectangle
// which exactly fits the grid.
wxPoint pt(0, 0);
wxRect r(pt, grid->GetSize());
grid->SetDefaultCellBackgroundColour(col);
grid->Refresh(true, &r);
}
}
void GridFrame::DeselectCell(wxCommandEvent& WXUNUSED(event))
{
grid->DeselectCell(3, 1);
}
void GridFrame::DeselectCol(wxCommandEvent& WXUNUSED(event))
{
grid->DeselectCol(2);
}
void GridFrame::DeselectRow(wxCommandEvent& WXUNUSED(event))
{
grid->DeselectRow(2);
}
void GridFrame::DeselectAll(wxCommandEvent& WXUNUSED(event))
{
grid->ClearSelection();
}
void GridFrame::SelectCell(wxCommandEvent& WXUNUSED(event))
{
grid->SelectBlock(3, 1, 3, 1, m_addToSel);
}
void GridFrame::SelectCol(wxCommandEvent& WXUNUSED(event))
{
grid->SelectCol(2, m_addToSel);
}
void GridFrame::SelectRow(wxCommandEvent& WXUNUSED(event))
{
grid->SelectRow(2, m_addToSel);
}
void GridFrame::SelectAll(wxCommandEvent& WXUNUSED(event))
{
grid->SelectAll();
}
void GridFrame::OnAddToSelectToggle(wxCommandEvent& event)
{
m_addToSel = event.IsChecked();
}
void GridFrame::OnLabelLeftClick( wxGridEvent& ev )
{
wxString logBuf;
if ( ev.GetRow() != -1 )
{
logBuf << wxT("Left click on row label ") << ev.GetRow();
}
else if ( ev.GetCol() != -1 )
{
logBuf << wxT("Left click on col label ") << ev.GetCol();
}
else
{
logBuf << wxT("Left click on corner label");
}
if ( ev.ShiftDown() )
logBuf << wxT(" (shift down)");
if ( ev.ControlDown() )
logBuf << wxT(" (control down)");
wxLogMessage( wxT("%s"), logBuf.c_str() );
// you must call event skip if you want default grid processing
//
ev.Skip();
}
void GridFrame::OnCellLeftClick( wxGridEvent& ev )
{
wxLogMessage(wxT("Left click at row %d, col %d"), ev.GetRow(), ev.GetCol());
// you must call event skip if you want default grid processing
// (cell highlighting etc.)
//
ev.Skip();
}
void GridFrame::OnRowSize( wxGridSizeEvent& ev )
{
const int row = ev.GetRowOrCol();
wxLogMessage("Resized row %d, new height = %d",
row, grid->GetRowSize(row));
ev.Skip();
}
void GridFrame::OnColSize( wxGridSizeEvent& ev )
{
const int col = ev.GetRowOrCol();
wxLogMessage("Resized column %d, new width = %d",
col, grid->GetColSize(col));
ev.Skip();
}
void GridFrame::OnSelectCell( wxGridEvent& ev )
{
wxString logBuf;
if ( ev.Selecting() )
logBuf << wxT("Selected ");
else
logBuf << wxT("Deselected ");
logBuf << wxT("cell at row ") << ev.GetRow()
<< wxT(" col ") << ev.GetCol()
<< wxT(" ( ControlDown: ")<< (ev.ControlDown() ? 'T':'F')
<< wxT(", ShiftDown: ")<< (ev.ShiftDown() ? 'T':'F')
<< wxT(", AltDown: ")<< (ev.AltDown() ? 'T':'F')
<< wxT(", MetaDown: ")<< (ev.MetaDown() ? 'T':'F') << wxT(" )");
//Indicate whether this column was moved
if ( ((wxGrid *)ev.GetEventObject())->GetColPos( ev.GetCol() ) != ev.GetCol() )
logBuf << wxT(" *** Column moved, current position: ") << ((wxGrid *)ev.GetEventObject())->GetColPos( ev.GetCol() );
wxLogMessage( wxT("%s"), logBuf.c_str() );
// you must call Skip() if you want the default processing
// to occur in wxGrid
ev.Skip();
}
void GridFrame::OnRangeSelected( wxGridRangeSelectEvent& ev )
{
wxString logBuf;
if ( ev.Selecting() )
logBuf << wxT("Selected ");
else
logBuf << wxT("Deselected ");
logBuf << wxT("cells from row ") << ev.GetTopRow()
<< wxT(" col ") << ev.GetLeftCol()
<< wxT(" to row ") << ev.GetBottomRow()
<< wxT(" col ") << ev.GetRightCol()
<< wxT(" ( ControlDown: ")<< (ev.ControlDown() ? 'T':'F')
<< wxT(", ShiftDown: ")<< (ev.ShiftDown() ? 'T':'F')
<< wxT(", AltDown: ")<< (ev.AltDown() ? 'T':'F')
<< wxT(", MetaDown: ")<< (ev.MetaDown() ? 'T':'F') << wxT(" )");
wxLogMessage( wxT("%s"), logBuf.c_str() );
ev.Skip();
}
void GridFrame::OnCellValueChanging( wxGridEvent& ev )
{
int row = ev.GetRow(),
col = ev.GetCol();
wxLogMessage("Value of cell at (%d, %d): about to change "
"from \"%s\" to \"%s\"",
row, col,
grid->GetCellValue(row, col), ev.GetString());
// test how vetoing works
if ( ev.GetString() == "42" )
{
wxLogMessage("Vetoing the change.");
ev.Veto();
return;
}
ev.Skip();
}
void GridFrame::OnCellValueChanged( wxGridEvent& ev )
{
int row = ev.GetRow(),
col = ev.GetCol();
wxLogMessage("Value of cell at (%d, %d) changed and is now \"%s\" "
"(was \"%s\")",
row, col,
grid->GetCellValue(row, col), ev.GetString());
ev.Skip();
}
void GridFrame::OnCellBeginDrag( wxGridEvent& ev )
{
wxLogMessage(wxT("Got request to drag cell at row %d, col %d"),
ev.GetRow(), ev.GetCol());
ev.Skip();
}
void GridFrame::OnEditorShown( wxGridEvent& ev )
{
if ( (ev.GetCol() == 4) &&
(ev.GetRow() == 0) &&
(wxMessageBox(wxT("Are you sure you wish to edit this cell"),
wxT("Checking"),wxYES_NO) == wxNO ) ) {
ev.Veto();
return;
}
wxLogMessage( wxT("Cell editor shown.") );
ev.Skip();
}
void GridFrame::OnEditorHidden( wxGridEvent& ev )
{
if ( (ev.GetCol() == 4) &&
(ev.GetRow() == 0) &&
(wxMessageBox(wxT("Are you sure you wish to finish editing this cell"),
wxT("Checking"),wxYES_NO) == wxNO ) ) {
ev.Veto();
return;
}
wxLogMessage( wxT("Cell editor hidden.") );
ev.Skip();
}
void GridFrame::About( wxCommandEvent& WXUNUSED(ev) )
{
wxAboutDialogInfo aboutInfo;
aboutInfo.SetName(wxT("wxGrid demo"));
aboutInfo.SetDescription(_("wxGrid sample program"));
aboutInfo.AddDeveloper(wxT("Michael Bedward"));
aboutInfo.AddDeveloper(wxT("Julian Smart"));
aboutInfo.AddDeveloper(wxT("Vadim Zeitlin"));
// this is just to force the generic version of the about
// dialog under wxMSW so that it's easy to test if the grid
// repaints correctly when it has lost focus and a dialog
// (different from the Windows standard message box -- it doesn't
// work with it for some reason) is moved over it.
aboutInfo.SetWebSite(wxT("http://www.wxwidgets.org"));
wxAboutBox(aboutInfo);
}
void GridFrame::OnQuit( wxCommandEvent& WXUNUSED(ev) )
{
Close( true );
}
void GridFrame::OnBugsTable(wxCommandEvent& )
{
BugsGridFrame *frame = new BugsGridFrame;
frame->Show(true);
}
// ----------------------------------------------------------------------------
// MyGridCellAttrProvider
// ----------------------------------------------------------------------------
MyGridCellAttrProvider::MyGridCellAttrProvider()
{
m_attrForOddRows = new wxGridCellAttr;
m_attrForOddRows->SetBackgroundColour(*wxLIGHT_GREY);
}
MyGridCellAttrProvider::~MyGridCellAttrProvider()
{
m_attrForOddRows->DecRef();
}
wxGridCellAttr *MyGridCellAttrProvider::GetAttr(int row, int col,
wxGridCellAttr::wxAttrKind kind /* = wxGridCellAttr::Any */) const
{
wxGridCellAttr *attr = wxGridCellAttrProvider::GetAttr(row, col, kind);
if ( row % 2 )
{
if ( !attr )
{
attr = m_attrForOddRows;
attr->IncRef();
}
else
{
if ( !attr->HasBackgroundColour() )
{
wxGridCellAttr *attrNew = attr->Clone();
attr->DecRef();
attr = attrNew;
attr->SetBackgroundColour(*wxLIGHT_GREY);
}
}
}
return attr;
}
void GridFrame::OnVTable(wxCommandEvent& )
{
static long s_sizeGrid = 10000;
s_sizeGrid = wxGetNumberFromUser(wxT("Size of the table to create"),
wxT("Size: "),
wxT("wxGridDemo question"),
s_sizeGrid,
0, 32000, this);
if ( s_sizeGrid != -1 )
{
BigGridFrame* win = new BigGridFrame(s_sizeGrid);
win->Show(true);
}
}
// ----------------------------------------------------------------------------
// MyGridCellRenderer
// ----------------------------------------------------------------------------
// do something that the default renderer doesn't here just to show that it is
// possible to alter the appearance of the cell beyond what the attributes
// allow
void MyGridCellRenderer::Draw(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rect,
int row, int col,
bool isSelected)
{
wxGridCellStringRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
dc.SetPen(*wxGREEN_PEN);
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.DrawEllipse(rect);
}
// ============================================================================
// BigGridFrame and BigGridTable: Sample of a non-standard table
// ============================================================================
BigGridFrame::BigGridFrame(long sizeGrid)
: wxFrame(NULL, wxID_ANY, wxT("Plugin Virtual Table"),
wxDefaultPosition, wxSize(500, 450))
{
m_grid = new wxGrid(this, wxID_ANY, wxDefaultPosition, wxDefaultSize);
m_table = new BigGridTable(sizeGrid);
// VZ: I don't understand why this slows down the display that much,
// must profile it...
//m_table->SetAttrProvider(new MyGridCellAttrProvider);
m_grid->SetTable(m_table, true);
#if defined __WXMOTIF__
// MB: the grid isn't getting a sensible default size under wxMotif
int cw, ch;
GetClientSize( &cw, &ch );
m_grid->SetSize( cw, ch );
#endif
}
// ============================================================================
// BugsGridFrame: a "realistic" table
// ============================================================================
// ----------------------------------------------------------------------------
// bugs table data
// ----------------------------------------------------------------------------
enum Columns
{
Col_Id,
Col_Summary,
Col_Severity,
Col_Priority,
Col_Platform,
Col_Opened,
Col_Max
};
enum Severity
{
Sev_Wish,
Sev_Minor,
Sev_Normal,
Sev_Major,
Sev_Critical,
Sev_Max
};
static const wxString severities[] =
{
wxT("wishlist"),
wxT("minor"),
wxT("normal"),
wxT("major"),
wxT("critical"),
};
static struct BugsGridData
{
int id;
wxChar summary[80];
Severity severity;
int prio;
wxChar platform[12];
bool opened;
} gs_dataBugsGrid [] =
{
{ 18, wxT("foo doesn't work"), Sev_Major, 1, wxT("wxMSW"), true },
{ 27, wxT("bar crashes"), Sev_Critical, 1, wxT("all"), false },
{ 45, wxT("printing is slow"), Sev_Minor, 3, wxT("wxMSW"), true },
{ 68, wxT("Rectangle() fails"), Sev_Normal, 1, wxT("wxMSW"), false },
};
static const wxChar *headers[Col_Max] =
{
wxT("Id"),
wxT("Summary"),
wxT("Severity"),
wxT("Priority"),
wxT("Platform"),
wxT("Opened?"),
};
// ----------------------------------------------------------------------------
// BugsGridTable
// ----------------------------------------------------------------------------
wxString BugsGridTable::GetTypeName(int WXUNUSED(row), int col)
{
switch ( col )
{
case Col_Id:
case Col_Priority:
return wxGRID_VALUE_NUMBER;;
case Col_Severity:
// fall thorugh (TODO should be a list)
case Col_Summary:
return wxString::Format(wxT("%s:80"), wxGRID_VALUE_STRING);
case Col_Platform:
return wxString::Format(wxT("%s:all,MSW,GTK,other"), wxGRID_VALUE_CHOICE);
case Col_Opened:
return wxGRID_VALUE_BOOL;
}
wxFAIL_MSG(wxT("unknown column"));
return wxEmptyString;
}
int BugsGridTable::GetNumberRows()
{
return WXSIZEOF(gs_dataBugsGrid);
}
int BugsGridTable::GetNumberCols()
{
return Col_Max;
}
bool BugsGridTable::IsEmptyCell( int WXUNUSED(row), int WXUNUSED(col) )
{
return false;
}
wxString BugsGridTable::GetValue( int row, int col )
{
const BugsGridData& gd = gs_dataBugsGrid[row];
switch ( col )
{
case Col_Id:
return wxString::Format(wxT("%d"), gd.id);
case Col_Priority:
return wxString::Format(wxT("%d"), gd.prio);
case Col_Opened:
return gd.opened ? wxT("1") : wxT("0");
case Col_Severity:
return severities[gd.severity];
case Col_Summary:
return gd.summary;
case Col_Platform:
return gd.platform;
}
return wxEmptyString;
}
void BugsGridTable::SetValue( int row, int col, const wxString& value )
{
BugsGridData& gd = gs_dataBugsGrid[row];
switch ( col )
{
case Col_Id:
case Col_Priority:
case Col_Opened:
wxFAIL_MSG(wxT("unexpected column"));
break;
case Col_Severity:
{
size_t n;
for ( n = 0; n < WXSIZEOF(severities); n++ )
{
if ( severities[n] == value )
{
gd.severity = (Severity)n;
break;
}
}
if ( n == WXSIZEOF(severities) )
{
wxLogWarning(wxT("Invalid severity value '%s'."),
value.c_str());
gd.severity = Sev_Normal;
}
}
break;
case Col_Summary:
wxStrncpy(gd.summary, value, WXSIZEOF(gd.summary));
break;
case Col_Platform:
wxStrncpy(gd.platform, value, WXSIZEOF(gd.platform));
break;
}
}
bool
BugsGridTable::CanGetValueAs(int WXUNUSED(row),
int col,
const wxString& typeName)
{
if ( typeName == wxGRID_VALUE_STRING )
{
return true;
}
else if ( typeName == wxGRID_VALUE_BOOL )
{
return col == Col_Opened;
}
else if ( typeName == wxGRID_VALUE_NUMBER )
{
return col == Col_Id || col == Col_Priority || col == Col_Severity;
}
else
{
return false;
}
}
bool BugsGridTable::CanSetValueAs( int row, int col, const wxString& typeName )
{
return CanGetValueAs(row, col, typeName);
}
long BugsGridTable::GetValueAsLong( int row, int col )
{
const BugsGridData& gd = gs_dataBugsGrid[row];
switch ( col )
{
case Col_Id:
return gd.id;
case Col_Priority:
return gd.prio;
case Col_Severity:
return gd.severity;
default:
wxFAIL_MSG(wxT("unexpected column"));
return -1;
}
}
bool BugsGridTable::GetValueAsBool( int row, int col )
{
if ( col == Col_Opened )
{
return gs_dataBugsGrid[row].opened;
}
else
{
wxFAIL_MSG(wxT("unexpected column"));
return false;
}
}
void BugsGridTable::SetValueAsLong( int row, int col, long value )
{
BugsGridData& gd = gs_dataBugsGrid[row];
switch ( col )
{
case Col_Priority:
gd.prio = value;
break;
default:
wxFAIL_MSG(wxT("unexpected column"));
}
}
void BugsGridTable::SetValueAsBool( int row, int col, bool value )
{
if ( col == Col_Opened )
{
gs_dataBugsGrid[row].opened = value;
}
else
{
wxFAIL_MSG(wxT("unexpected column"));
}
}
wxString BugsGridTable::GetColLabelValue( int col )
{
return headers[col];
}
// ----------------------------------------------------------------------------
// BugsGridFrame
// ----------------------------------------------------------------------------
BugsGridFrame::BugsGridFrame()
: wxFrame(NULL, wxID_ANY, wxT("Bugs table"))
{
wxGrid *grid = new wxGrid(this, wxID_ANY);
wxGridTableBase *table = new BugsGridTable();
table->SetAttrProvider(new MyGridCellAttrProvider);
grid->SetTable(table, true);
wxGridCellAttr *attrRO = new wxGridCellAttr,
*attrRangeEditor = new wxGridCellAttr,
*attrCombo = new wxGridCellAttr;
attrRO->SetReadOnly();
attrRangeEditor->SetEditor(new wxGridCellNumberEditor(1, 5));
attrCombo->SetEditor(new wxGridCellChoiceEditor(WXSIZEOF(severities),
severities));
grid->SetColAttr(Col_Id, attrRO);
grid->SetColAttr(Col_Priority, attrRangeEditor);
grid->SetColAttr(Col_Severity, attrCombo);
grid->Fit();
SetClientSize(grid->GetSize());
}
// ============================================================================
// TabularGrid: grid used for display of tabular data
// ============================================================================
class TabularGridTable : public wxGridTableBase
{
public:
enum
{
COL_NAME,
COL_EXT,
COL_SIZE,
COL_DATE,
COL_MAX
};
enum
{
ROW_MAX = 3
};
TabularGridTable() { m_sortOrder = NULL; }
virtual int GetNumberRows() { return ROW_MAX; }
virtual int GetNumberCols() { return COL_MAX; }
virtual wxString GetValue(int row, int col)
{
if ( m_sortOrder )
row = m_sortOrder[row];
switch ( col )
{
case COL_NAME:
case COL_EXT:
return GetNameOrExt(row, col);
case COL_SIZE:
return wxString::Format("%lu", GetSize(row));
case COL_DATE:
return GetDate(row).FormatDate();
case COL_MAX:
default:
wxFAIL_MSG( "unknown column" );
}
return wxString();
}
virtual void SetValue(int, int, const wxString&)
{
wxFAIL_MSG( "shouldn't be called" );
}
virtual wxString GetColLabelValue(int col)
{
// notice that column parameter here always refers to the internal
// column index, independently of its position on the screen
static const char *labels[] = { "Name", "Extension", "Size", "Date" };
wxCOMPILE_TIME_ASSERT( WXSIZEOF(labels) == COL_MAX, LabelsMismatch );
return labels[col];
}
virtual void SetColLabelValue(int, const wxString&)
{
wxFAIL_MSG( "shouldn't be called" );
}
void Sort(int col, bool ascending)
{
// we hardcode all sorting orders for simplicity here
static int sortOrders[COL_MAX][2][ROW_MAX] =
{
// descending ascending
{ { 2, 1, 0 }, { 0, 1, 2 } },
{ { 2, 1, 0 }, { 0, 1, 2 } },
{ { 2, 1, 0 }, { 0, 1, 2 } },
{ { 1, 0, 2 }, { 2, 0, 1 } },
};
m_sortOrder = col == wxNOT_FOUND ? NULL : sortOrders[col][ascending];
}
private:
wxString GetNameOrExt(int row, int col) const
{
static const char *
names[] = { "autoexec.bat", "boot.ini", "io.sys" };
wxCOMPILE_TIME_ASSERT( WXSIZEOF(names) == ROW_MAX, NamesMismatch );
const wxString s(names[row]);
return col == COL_NAME ? s.BeforeFirst('.') : s.AfterLast('.');
}
unsigned long GetSize(int row) const
{
static const unsigned long
sizes[] = { 412, 604, 40774 };
wxCOMPILE_TIME_ASSERT( WXSIZEOF(sizes) == ROW_MAX, SizesMismatch );
return sizes[row];
}
wxDateTime GetDate(int row) const
{
static const char *
dates[] = { "2004-04-17", "2006-05-27", "1994-05-31" };
wxCOMPILE_TIME_ASSERT( WXSIZEOF(dates) == ROW_MAX, DatesMismatch );
wxDateTime dt;
dt.ParseISODate(dates[row]);
return dt;
}
int *m_sortOrder;
};
// specialized text control for column indexes entry
class ColIndexEntry : public wxTextCtrl
{
public:
ColIndexEntry(wxWindow *parent)
: wxTextCtrl(parent, wxID_ANY, "")
{
SetValidator(wxTextValidator(wxFILTER_NUMERIC));
}
int GetCol()
{
unsigned long col;
if ( !GetValue().ToULong(&col) || col > TabularGridTable::COL_MAX )
{
SetFocus();
return -1;
}
return col;
}
protected:
virtual wxSize DoGetBestSize() const
{
wxSize size = wxTextCtrl::DoGetBestSize();
size.x = 3*GetCharWidth();
return size;
}
};
class TabularGridFrame : public wxFrame
{
public:
TabularGridFrame();
private:
enum // control ids
{
Id_Check_UseNativeHeader,
Id_Check_DrawNativeLabels,
Id_Check_ShowRowLabels,
Id_Check_EnableColMove
};
// event handlers
void OnToggleUseNativeHeader(wxCommandEvent&)
{
m_grid->UseNativeColHeader(m_chkUseNative->IsChecked());
}
void OnUpdateDrawNativeLabelsUI(wxUpdateUIEvent& event)
{
// we don't draw labels at all, native or otherwise, if we use the
// native header control
event.Enable( !m_chkUseNative->GetValue() );
}
void OnToggleDrawNativeLabels(wxCommandEvent&)
{
m_grid->SetUseNativeColLabels(m_chkDrawNative->IsChecked());
}
void OnToggleShowRowLabels(wxCommandEvent&)
{
m_grid->SetRowLabelSize(m_chkShowRowLabels->IsChecked()
? wxGRID_AUTOSIZE
: 0);
}
void OnToggleColMove(wxCommandEvent&)
{
m_grid->EnableDragColMove(m_chkEnableColMove->IsChecked());
}
void OnShowHideColumn(wxCommandEvent& event)
{
int col = m_txtColShowHide->GetCol();
if ( col != -1 )
{
m_grid->SetColSize(col,
event.GetId() == wxID_ADD ? wxGRID_AUTOSIZE : 0);
UpdateOrderAndVisibility();
}
}
void OnMoveColumn(wxCommandEvent&)
{
int col = m_txtColIndex->GetCol();
int pos = m_txtColPos->GetCol();
if ( col == -1 || pos == -1 )
return;
m_grid->SetColPos(col, pos);
UpdateOrderAndVisibility();
}
void OnResetColumnOrder(wxCommandEvent&)
{
m_grid->ResetColPos();
UpdateOrderAndVisibility();
}
void OnGridColSort(wxGridEvent& event)
{
const int col = event.GetCol();
m_table->Sort(col, !(m_grid->IsSortingBy(col) &&
m_grid->IsSortOrderAscending()));
}
void OnGridColMove(wxGridEvent& event)
{
// can't update it yet as the order hasn't been changed, so do it a bit
// later
m_shouldUpdateOrder = true;
event.Skip();
}
void OnGridColSize(wxGridSizeEvent& event)
{
// we only catch this event to react to the user showing or hiding this
// column using the header control menu and not because we're
// interested in column resizing
UpdateOrderAndVisibility();
event.Skip();
}
void OnIdle(wxIdleEvent& event)
{
if ( m_shouldUpdateOrder )
{
m_shouldUpdateOrder = false;
UpdateOrderAndVisibility();
}
event.Skip();
}
void UpdateOrderAndVisibility()
{
wxString s;
for ( int pos = 0; pos < TabularGridTable::COL_MAX; pos++ )
{
const int col = m_grid->GetColAt(pos);
const bool isHidden = m_grid->GetColSize(col) == 0;
if ( isHidden )
s << '[';
s << col;
if ( isHidden )
s << ']';
s << ' ';
}
m_statOrder->SetLabel(s);
}
// controls
wxGrid *m_grid;
TabularGridTable *m_table;
wxCheckBox *m_chkUseNative,
*m_chkDrawNative,
*m_chkShowRowLabels,
*m_chkEnableColMove;
ColIndexEntry *m_txtColIndex,
*m_txtColPos,
*m_txtColShowHide;
wxStaticText *m_statOrder;
// fla for EVT_IDLE handler
bool m_shouldUpdateOrder;
wxDECLARE_NO_COPY_CLASS(TabularGridFrame);
DECLARE_EVENT_TABLE()
};
BEGIN_EVENT_TABLE(TabularGridFrame, wxFrame)
EVT_CHECKBOX(Id_Check_UseNativeHeader,
TabularGridFrame::OnToggleUseNativeHeader)
EVT_CHECKBOX(Id_Check_DrawNativeLabels,
TabularGridFrame::OnToggleDrawNativeLabels)
EVT_CHECKBOX(Id_Check_ShowRowLabels,
TabularGridFrame::OnToggleShowRowLabels)
EVT_CHECKBOX(Id_Check_EnableColMove,
TabularGridFrame::OnToggleColMove)
EVT_UPDATE_UI(Id_Check_DrawNativeLabels,
TabularGridFrame::OnUpdateDrawNativeLabelsUI)
EVT_BUTTON(wxID_APPLY, TabularGridFrame::OnMoveColumn)
EVT_BUTTON(wxID_RESET, TabularGridFrame::OnResetColumnOrder)
EVT_BUTTON(wxID_ADD, TabularGridFrame::OnShowHideColumn)
EVT_BUTTON(wxID_DELETE, TabularGridFrame::OnShowHideColumn)
EVT_GRID_COL_SORT(TabularGridFrame::OnGridColSort)
EVT_GRID_COL_MOVE(TabularGridFrame::OnGridColMove)
EVT_GRID_COL_SIZE(TabularGridFrame::OnGridColSize)
EVT_IDLE(TabularGridFrame::OnIdle)
END_EVENT_TABLE()
TabularGridFrame::TabularGridFrame()
: wxFrame(NULL, wxID_ANY, "Tabular table")
{
m_shouldUpdateOrder = false;
wxPanel * const panel = new wxPanel(this);
// create and initialize the grid with the specified data
m_table = new TabularGridTable;
m_grid = new wxGrid(panel, wxID_ANY,
wxDefaultPosition, wxDefaultSize,
wxBORDER_STATIC | wxWANTS_CHARS);
m_grid->SetTable(m_table, true, wxGrid::wxGridSelectRows);
m_grid->EnableDragColMove();
m_grid->UseNativeColHeader();
m_grid->HideRowLabels();
// add it and the other controls to the frame
wxSizer * const sizerTop = new wxBoxSizer(wxVERTICAL);
sizerTop->Add(m_grid, wxSizerFlags(1).Expand().Border());
wxSizer * const sizerControls = new wxBoxSizer(wxHORIZONTAL);
wxSizer * const sizerStyles = new wxBoxSizer(wxVERTICAL);
m_chkUseNative = new wxCheckBox(panel, Id_Check_UseNativeHeader,
"&Use native header");
m_chkUseNative->SetValue(true);
sizerStyles->Add(m_chkUseNative, wxSizerFlags().Border());
m_chkDrawNative = new wxCheckBox(panel, Id_Check_DrawNativeLabels,
"&Draw native column labels");
sizerStyles->Add(m_chkDrawNative, wxSizerFlags().Border());
m_chkShowRowLabels = new wxCheckBox(panel, Id_Check_ShowRowLabels,
"Show &row labels");
sizerStyles->Add(m_chkShowRowLabels, wxSizerFlags().Border());
m_chkEnableColMove = new wxCheckBox(panel, Id_Check_EnableColMove,
"Allow column re&ordering");
m_chkEnableColMove->SetValue(true);
sizerStyles->Add(m_chkEnableColMove, wxSizerFlags().Border());
sizerControls->Add(sizerStyles);
sizerControls->AddSpacer(10);
wxSizer * const sizerColumns = new wxBoxSizer(wxVERTICAL);
wxSizer * const sizerMoveCols = new wxBoxSizer(wxHORIZONTAL);
const wxSizerFlags
flagsHorz(wxSizerFlags().Border(wxLEFT | wxRIGHT).Centre());
sizerMoveCols->Add(new wxStaticText(panel, wxID_ANY, "&Move column"),
flagsHorz);
m_txtColIndex = new ColIndexEntry(panel);
sizerMoveCols->Add(m_txtColIndex, flagsHorz);
sizerMoveCols->Add(new wxStaticText(panel, wxID_ANY, "&to"), flagsHorz);
m_txtColPos = new ColIndexEntry(panel);
sizerMoveCols->Add(m_txtColPos, flagsHorz);
sizerMoveCols->Add(new wxButton(panel, wxID_APPLY), flagsHorz);
sizerColumns->Add(sizerMoveCols, wxSizerFlags().Expand().Border(wxBOTTOM));
wxSizer * const sizerShowCols = new wxBoxSizer(wxHORIZONTAL);
sizerShowCols->Add(new wxStaticText(panel, wxID_ANY, "Current order:"),
flagsHorz);
m_statOrder = new wxStaticText(panel, wxID_ANY, "<<< default >>>");
sizerShowCols->Add(m_statOrder, flagsHorz);
sizerShowCols->Add(new wxButton(panel, wxID_RESET, "&Reset order"));
sizerColumns->Add(sizerShowCols, wxSizerFlags().Expand().Border(wxTOP));
wxSizer * const sizerShowHide = new wxBoxSizer(wxHORIZONTAL);
sizerShowHide->Add(new wxStaticText(panel, wxID_ANY, "Show/hide column:"),
flagsHorz);
m_txtColShowHide = new ColIndexEntry(panel);
sizerShowHide->Add(m_txtColShowHide, flagsHorz);
sizerShowHide->Add(new wxButton(panel, wxID_ADD, "&Show"), flagsHorz);
sizerShowHide->Add(new wxButton(panel, wxID_DELETE, "&Hide"), flagsHorz);
sizerColumns->Add(sizerShowHide, wxSizerFlags().Expand().Border(wxTOP));
sizerControls->Add(sizerColumns, wxSizerFlags(1).Expand().Border());
sizerTop->Add(sizerControls, wxSizerFlags().Expand().Border());
panel->SetSizer(sizerTop);
SetClientSize(panel->GetBestSize());
SetSizeHints(GetSize());
Show();
}
void GridFrame::OnTabularTable(wxCommandEvent&)
{
new TabularGridFrame;
}
// Example using wxGrid::Render
// Displays a preset selection or, if it exists, a selection block
// Draws the selection to a wxBitmap and displays the bitmap
void GridFrame::OnGridRender( wxCommandEvent& event )
{
int styleRender = 0, i;
bool useLometric = false, defSize = false;
double zoom = 1;
wxSize sizeMargin( 0, 0 );
wxPoint pointOrigin( 0, 0 );
wxMenu* menu = GetMenuBar()->GetMenu( 0 );
wxMenuItem* menuItem = menu->FindItem( ID_RENDER_ROW_LABEL );
menu = menuItem->GetMenu();
if ( menu->FindItem( ID_RENDER_ROW_LABEL )->IsChecked() )
styleRender |= wxGRID_DRAW_ROWS_HEADER;
if ( menu->FindItem( ID_RENDER_COL_LABEL )->IsChecked() )
styleRender |= wxGRID_DRAW_COLS_HEADER;
if ( menu->FindItem( ID_RENDER_GRID_LINES )->IsChecked() )
styleRender |= wxGRID_DRAW_CELL_LINES;
if ( menu->FindItem( ID_RENDER_GRID_BORDER )->IsChecked() )
styleRender |= wxGRID_DRAW_BOX_RECT;
if ( menu->FindItem( ID_RENDER_SELECT_HLIGHT )->IsChecked() )
styleRender |= wxGRID_DRAW_SELECTION;
if ( menu->FindItem( ID_RENDER_LOMETRIC )->IsChecked() )
useLometric = true;
if ( menu->FindItem( ID_RENDER_MARGIN )->IsChecked() )
{
pointOrigin.x += 50;
pointOrigin.y += 50;
sizeMargin.IncBy( 50 );
}
if ( menu->FindItem( ID_RENDER_ZOOM )->IsChecked() )
zoom = 1.25;
if ( menu->FindItem( ID_RENDER_DEFAULT_SIZE )->IsChecked() )
defSize = true;
// init render area coords with a default row and col selection
wxGridCellCoords topLeft( 0, 0 ), bottomRight( 8, 6 );
// check whether we are printing a block selection
// other selection types not catered for here
if ( event.GetId() == ID_RENDER_COORDS )
{
topLeft.SetCol( 6 );
topLeft.SetRow( 4 );
bottomRight.SetCol( 15 );
bottomRight.SetRow( 29 );
}
else if ( grid->IsSelection() && grid->GetSelectionBlockTopLeft().Count() )
{
wxGridCellCoordsArray cells = grid->GetSelectionBlockTopLeft();
if ( grid->GetSelectionBlockBottomRight().Count() )
{
cells.Add( grid->GetSelectionBlockBottomRight()[ 0 ] );
topLeft.Set( cells[ 0 ].GetRow(),
cells[ 0 ].GetCol() );
bottomRight.Set( cells[ 1 ].GetRow(),
cells[ 1 ].GetCol() );
}
}
// sum col widths
wxSize sizeRender( 0, 0 );
wxGridSizesInfo sizeinfo = grid->GetColSizes();
for ( i = topLeft.GetCol(); i <= bottomRight.GetCol(); i++ )
{
sizeRender.x += sizeinfo.GetSize( i );
}
// sum row heights
sizeinfo = grid->GetRowSizes();
for ( i = topLeft.GetRow(); i <= bottomRight.GetRow(); i++ )
{
sizeRender.y += sizeinfo.GetSize( i );
}
if ( styleRender & wxGRID_DRAW_ROWS_HEADER )
sizeRender.x += grid->GetRowLabelSize();
if ( styleRender & wxGRID_DRAW_COLS_HEADER )
sizeRender.y += grid->GetColLabelSize();
sizeRender.x *= zoom;
sizeRender.y *= zoom;
// delete any existing render frame and create new one
wxWindow* win = FindWindow( "frameRender" );
if ( win )
win->Destroy();
wxFrame* frame = new wxFrame( this, wxID_ANY, "Grid Render" );
frame->SetClientSize( 780, 400 );
frame->SetName( "frameRender" );
wxPanel* canvas = new wxPanel( frame, wxID_ANY );
// make bitmap large enough for margins if any
if ( !defSize )
sizeRender.IncBy( sizeMargin * 2 );
else
sizeRender.IncBy( sizeMargin );
wxBitmap bmp( sizeRender );
// don't leave it larger or drawing will be scaled
sizeRender.DecBy( sizeMargin * 2 );
wxMemoryDC memDc(bmp);
// default row labels have no background colour so set background
memDc.SetBackground( wxBrush( canvas->GetBackgroundColour() ) );
memDc.Clear();
// convert sizeRender to mapping mode units if necessary
if ( useLometric )
{
memDc.SetMapMode( wxMM_LOMETRIC );
sizeRender.x = memDc.DeviceToLogicalXRel( sizeRender.x );
sizeRender.y = memDc.DeviceToLogicalYRel( sizeRender.y );
}
// pass wxDefaultSize if menu item is checked
if ( defSize )
sizeRender = wxDefaultSize;
grid->Render( memDc,
pointOrigin,
sizeRender,
topLeft, bottomRight,
wxGridRenderStyle( styleRender ) );
m_gridBitmap = bmp;
canvas->Connect( wxEVT_PAINT,
wxPaintEventHandler(GridFrame::OnRenderPaint),
NULL,
this );
frame->Show();
}
void GridFrame::OnRenderPaint( wxPaintEvent& event )
{
wxPanel* canvas = ( wxPanel* )event.GetEventObject();
wxPaintDC dc( canvas );
canvas->PrepareDC( dc );
if ( !m_gridBitmap.IsOk() )
return;;
wxMemoryDC memDc( m_gridBitmap );
dc.Blit( 0, 0,
m_gridBitmap.GetWidth(),
m_gridBitmap.GetHeight(),
&memDc, 0, 0 );
}