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f97c9b5bf2452c73434eb548e70115ac7ca60a83
wxWidgets/samples/newgrid/griddemo.cpp
Robin Dunn f97c9b5bf2 1. Grid cell defaults are now handled by an internal 
wxGridCellAttr object

2. wxGridCellRenderer::Draw updated to expect an attr object and
use it instead of going back to the grid for everything

3. The selection colours are now initialized from wxSystemSettings,
and are configurable.

4. Now either CreateGrid() or SetTable() can be called to initialize
the grid.  Added a test for using a non-default table.

5. Reduced flicker even more byt using empty EVT_ERASE_BACKGROUND handlers.

6. The beginings of wxGridCellEditor are in there but not activated
yet. (This is the next step.)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5986 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-02-13 05:38:03 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: griddemo.cpp
// Purpose: Grid control wxWindows sample
// Author: Michael Bedward
// Modified by:
// RCS-ID: $Id$
// Copyright: (c) Michael Bedward, Julian Smart
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation
#pragma interface
#endif
// 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/grid.h"
#include "griddemo.h"
// ----------------------------------------------------------------------------
// 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_SETLABELCOLOUR, GridFrame::SetLabelColour )
EVT_MENU( ID_SETLABELTEXTCOLOUR, GridFrame::SetLabelTextColour )
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_SET_CELL_FG_COLOUR, GridFrame::SetCellFgColour )
EVT_MENU( ID_SET_CELL_BG_COLOUR, GridFrame::SetCellBgColour )
EVT_MENU( ID_ABOUT, GridFrame::About )
EVT_MENU( wxID_EXIT, GridFrame::OnQuit )
EVT_MENU( ID_VTABLE, GridFrame::OnVTable)
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_CHANGE( GridFrame::OnCellValueChanged )
END_EVENT_TABLE()
GridFrame::GridFrame()
: wxFrame( (wxFrame *)NULL, -1, "wxWindows grid class demo",
wxDefaultPosition,
wxDefaultSize )
{
int gridW = 600, gridH = 300;
int logW = gridW, logH = 80;
wxMenu *fileMenu = new wxMenu;
fileMenu->Append( ID_VTABLE, "&Virtual table test");
fileMenu->AppendSeparator();
fileMenu->Append( wxID_EXIT, "E&xit\tAlt-X" );
wxMenu *viewMenu = new wxMenu;
viewMenu->Append( ID_TOGGLEROWLABELS, "&Row labels", "", TRUE );
viewMenu->Append( ID_TOGGLECOLLABELS, "&Col labels", "", TRUE );
viewMenu->Append( ID_TOGGLEEDIT, "&Editable", "", TRUE );
wxMenu *rowLabelMenu = new wxMenu;
viewMenu->Append( ID_ROWLABELALIGN, "R&ow label alignment",
rowLabelMenu,
"Change alignment of row labels" );
rowLabelMenu->Append( ID_ROWLABELHORIZALIGN, "&Horizontal" );
rowLabelMenu->Append( ID_ROWLABELVERTALIGN, "&Vertical" );
wxMenu *colLabelMenu = new wxMenu;
viewMenu->Append( ID_COLLABELALIGN, "Col l&abel alignment",
colLabelMenu,
"Change alignment of col labels" );
colLabelMenu->Append( ID_COLLABELHORIZALIGN, "&Horizontal" );
colLabelMenu->Append( ID_COLLABELVERTALIGN, "&Vertical" );
wxMenu *colMenu = new wxMenu;
colMenu->Append( ID_SETLABELCOLOUR, "Set &label colour" );
colMenu->Append( ID_SETLABELTEXTCOLOUR, "Set label &text colour" );
colMenu->Append( ID_GRIDLINECOLOUR, "&Grid line colour" );
colMenu->Append( ID_SET_CELL_FG_COLOUR, "Set cell &foreground colour" );
colMenu->Append( ID_SET_CELL_BG_COLOUR, "Set cell &background colour" );
wxMenu *editMenu = new wxMenu;
editMenu->Append( ID_INSERTROW, "Insert &row" );
editMenu->Append( ID_INSERTCOL, "Insert &column" );
editMenu->Append( ID_DELETEROW, "Delete selected ro&ws" );
editMenu->Append( ID_DELETECOL, "Delete selected co&ls" );
editMenu->Append( ID_CLEARGRID, "Cl&ear grid cell contents" );
wxMenu *helpMenu = new wxMenu;
helpMenu->Append( ID_ABOUT, "&About wxGrid demo" );
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append( fileMenu, "&File" );
menuBar->Append( viewMenu, "&View" );
menuBar->Append( colMenu, "&Colours" );
menuBar->Append( editMenu, "&Edit" );
menuBar->Append( helpMenu, "&Help" );
SetMenuBar( menuBar );
grid = new wxGrid( this,
-1,
wxPoint( 0, 0 ),
wxSize( 400, 300 ) );
logWin = new wxTextCtrl( this,
-1,
wxEmptyString,
wxPoint( 0, gridH + 20 ),
wxSize( logW, logH ),
wxTE_MULTILINE );
logger = new wxLogTextCtrl( logWin );
logger->SetActiveTarget( logger );
logger->SetTimestamp( NULL );
// this will create a grid and, by default, an associated grid
// table for string data
//
grid->CreateGrid( 100, 100 );
grid->SetRowSize( 0, 60 );
grid->SetCellValue( 0, 0, "Ctrl+Home\nwill go to\nthis cell" );
grid->SetCellValue( 0, 1, "Blah" );
grid->SetCellValue( 0, 2, "Blah" );
grid->SetCellValue( 0, 5, "Press\nCtrl+arrow\nto skip over\ncells" );
grid->SetRowSize( 99, 60 );
grid->SetCellValue( 99, 99, "Ctrl+End\nwill go to\nthis cell" );
grid->SetCellValue(2, 2, "red");
grid->SetCellTextColour(2, 2, *wxRED);
grid->SetCellValue(3, 3, "green on grey");
grid->SetCellTextColour(3, 3, *wxGREEN);
grid->SetCellBackgroundColour(3, 3, *wxLIGHT_GREY);
grid->SetCellValue(4, 4, "a weird looking cell");
grid->SetCellAlignment(4, 4, wxCENTRE, wxCENTRE);
grid->SetCellRenderer(4, 4, new MyGridCellRenderer);
wxGridCellAttr *attr;
attr = new wxGridCellAttr;
attr->SetTextColour(*wxBLUE);
grid->SetColAttr(5, attr);
attr = new wxGridCellAttr;
attr->SetBackgroundColour(*wxBLUE);
grid->SetRowAttr(5, attr);
wxBoxSizer *topSizer = new wxBoxSizer( wxVERTICAL );
topSizer->Add( grid,
1,
wxEXPAND );
topSizer->Add( logWin,
0,
wxEXPAND );
SetAutoLayout( TRUE );
SetSizer( topSizer );
topSizer->Fit( this );
topSizer->SetSizeHints( this );
Centre();
SetDefaults();
}
GridFrame::~GridFrame()
{
}
void GridFrame::SetDefaults()
{
GetMenuBar()->Check( ID_TOGGLEROWLABELS, TRUE );
GetMenuBar()->Check( ID_TOGGLECOLLABELS, TRUE );
GetMenuBar()->Check( ID_TOGGLEEDIT, 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::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::SetRowLabelHorizAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetRowLabelAlignment( &horiz, &vert );
switch ( horiz )
{
case wxLEFT:
horiz = wxCENTRE;
break;
case wxCENTRE:
horiz = wxRIGHT;
break;
case wxRIGHT:
horiz = wxLEFT;
break;
}
grid->SetRowLabelAlignment( horiz, -1 );
}
void GridFrame::SetRowLabelVertAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetRowLabelAlignment( &horiz, &vert );
switch ( vert )
{
case wxTOP:
vert = wxCENTRE;
break;
case wxCENTRE:
vert = wxBOTTOM;
break;
case wxBOTTOM:
vert = wxTOP;
break;
}
grid->SetRowLabelAlignment( -1, vert );
}
void GridFrame::SetColLabelHorizAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetColLabelAlignment( &horiz, &vert );
switch ( horiz )
{
case wxLEFT:
horiz = wxCENTRE;
break;
case wxCENTRE:
horiz = wxRIGHT;
break;
case wxRIGHT:
horiz = wxLEFT;
break;
}
grid->SetColLabelAlignment( horiz, -1 );
}
void GridFrame::SetColLabelVertAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetColLabelAlignment( &horiz, &vert );
switch ( vert )
{
case wxTOP:
vert = wxCENTRE;
break;
case wxCENTRE:
vert = wxBOTTOM;
break;
case wxBOTTOM:
vert = wxTOP;
break;
}
grid->SetColLabelAlignment( -1, 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( 0, 1 );
}
void GridFrame::InsertCol( wxCommandEvent& WXUNUSED(ev) )
{
grid->InsertCols( 0, 1 );
}
void GridFrame::DeleteSelectedRows( wxCommandEvent& WXUNUSED(ev) )
{
if ( grid->IsSelection() )
{
int topRow, bottomRow, leftCol, rightCol;
grid->GetSelection( &topRow, &leftCol, &bottomRow, &rightCol );
grid->DeleteRows( topRow, bottomRow - topRow + 1 );
}
}
void GridFrame::DeleteSelectedCols( wxCommandEvent& WXUNUSED(ev) )
{
if ( grid->IsSelection() )
{
int topRow, bottomRow, leftCol, rightCol;
grid->GetSelection( &topRow, &leftCol, &bottomRow, &rightCol );
grid->DeleteCols( leftCol, rightCol - leftCol + 1 );
}
}
void GridFrame::ClearGrid( wxCommandEvent& WXUNUSED(ev) )
{
grid->ClearGrid();
}
void GridFrame::SetCellFgColour( wxCommandEvent& WXUNUSED(ev) )
{
wxColour col = wxGetColourFromUser(this);
if ( col.Ok() )
{
grid->SetDefaultCellTextColour(col);
grid->Refresh();
}
}
void GridFrame::SetCellBgColour( wxCommandEvent& WXUNUSED(ev) )
{
wxColour col = wxGetColourFromUser(this);
if ( col.Ok() )
{
grid->SetDefaultCellBackgroundColour(col);
grid->Refresh();
}
}
void GridFrame::OnLabelLeftClick( wxGridEvent& ev )
{
logBuf = "";
if ( ev.GetRow() != -1 )
{
logBuf << "Left click on row label " << ev.GetRow();
}
else if ( ev.GetCol() != -1 )
{
logBuf << "Left click on col label " << ev.GetCol();
}
else
{
logBuf << "Left click on corner label";
}
if ( ev.ShiftDown() ) logBuf << " (shift down)";
wxLogMessage( "%s", logBuf.c_str() );
// you must call event skip if you want default grid processing
//
ev.Skip();
}
void GridFrame::OnCellLeftClick( wxGridEvent& ev )
{
logBuf = "";
logBuf << "Left click at row " << ev.GetRow()
<< " col " << ev.GetCol();
wxLogMessage( "%s", logBuf.c_str() );
// you must call event skip if you want default grid processing
// (cell highlighting etc.)
//
ev.Skip();
}
void GridFrame::OnRowSize( wxGridSizeEvent& ev )
{
logBuf = "";
logBuf << "Resized row " << ev.GetRowOrCol();
wxLogMessage( "%s", logBuf.c_str() );
ev.Skip();
}
void GridFrame::OnColSize( wxGridSizeEvent& ev )
{
logBuf = "";
logBuf << "Resized col " << ev.GetRowOrCol();
wxLogMessage( "%s", logBuf.c_str() );
ev.Skip();
}
void GridFrame::OnSelectCell( wxGridEvent& ev )
{
logBuf = "";
logBuf << "Selected cell at row " << ev.GetRow()
<< " col " << ev.GetCol();
wxLogMessage( "%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 )
{
logBuf = "";
logBuf << "Selected cells from row " << ev.GetTopRow()
<< " col " << ev.GetLeftCol()
<< " to row " << ev.GetBottomRow()
<< " col " << ev.GetRightCol();
wxLogMessage( "%s", logBuf.c_str() );
ev.Skip();
}
void GridFrame::OnCellValueChanged( wxGridEvent& ev )
{
logBuf = "";
logBuf << "Value changed for cell at"
<< " row " << ev.GetRow()
<< " col " << ev.GetCol();
wxLogMessage( "%s", logBuf.c_str() );
ev.Skip();
}
void GridFrame::About( wxCommandEvent& WXUNUSED(ev) )
{
(void)wxMessageBox( "\n\nwxGrid demo \n\n"
"Michael Bedward \n"
"mbedward@ozemail.com.au \n\n",
"About",
wxOK );
}
void GridFrame::OnQuit( wxCommandEvent& WXUNUSED(ev) )
{
Close( TRUE );
}
void GridFrame::OnVTable(wxCommandEvent& )
{
BigGridFrame* win = new BigGridFrame();
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()
: wxFrame(NULL, -1, "Plugin Virtual Table", wxDefaultPosition,
wxSize(500, 450))
{
m_grid = new wxGrid(this, -1, wxDefaultPosition, wxDefaultSize);
m_table = new BigGridTable;
m_grid->SetTable(m_table, TRUE);
}
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