cheng/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
87ae8d5aa7
wxWidgets/samples/grid/griddemo.cpp
Vadim Zeitlin bf0f9cf55b Merge branch 'msw-scroll-beyond-2_27' 
Increase usable scrolling range in wxMSW by a factor of 10,000 by
switching to handling the device origin in wxWidgets itself instead of
letting GDI handle it.

See #22382.
2022-05-05 17:24:58 +02:00

3009 lines
89 KiB
C++
Raw Blame History

/////////////////////////////////////////////////////////////////////////////
// Name: griddemo.cpp
// Purpose: Grid control wxWidgets sample
// Author: Michael Bedward
// Modified by: Santiago Palacios
// 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"
#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 wxOVERRIDE
{
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 wxOVERRIDE
{
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) wxOVERRIDE
{
// 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);
};
// ----------------------------------------------------------------------------
// Custom wxGrid renderer and editor for showing stars as used for rating
// ----------------------------------------------------------------------------
// Max number of stars shown by MyGridStarRenderer.
static const int MAX_STARS = 5;
// Helper function returning the number between 0 and MAX_STARS corresponding
// to the value of the cell.
static int GetStarValue(wxGrid& grid, int row, int col)
{
unsigned long n = 0;
if ( !grid.GetCellValue(row, col).ToULong(&n) || n > MAX_STARS )
n = 0;
return static_cast<int>(n);
}
// Another helper returning the string containing the appropriate number of
// black and white stars.
static wxString GetStarString(int numBlackStars)
{
const wxUniChar BLACK_STAR = 0x2605;
const wxUniChar WHITE_STAR = 0x2606;
return wxString(BLACK_STAR, numBlackStars) +
wxString(WHITE_STAR, MAX_STARS - numBlackStars);
}
// Renders the value of the cell, which is supposed to be a number between 1
// and 5, as a sequence of that number of black stars followed by the number of
// white stars needed to have 5 stars in total.
class MyGridStarRenderer : public wxGridCellRenderer
{
public:
virtual void Draw(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rect,
int row, int col,
bool isSelected) wxOVERRIDE
{
wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
SetTextColoursAndFont(grid, attr, dc, isSelected);
grid.DrawTextRectangle(dc, GetStarString(GetStarValue(grid, row, col)),
rect, attr);
}
virtual wxSize GetBestSize(wxGrid& WXUNUSED(grid),
wxGridCellAttr& attr,
wxDC& dc,
int WXUNUSED(row),
int WXUNUSED(col)) wxOVERRIDE
{
dc.SetFont(attr.GetFont());
return dc.GetTextExtent(GetStarString(MAX_STARS));
}
virtual wxGridCellRenderer *Clone() const wxOVERRIDE
{
return new MyGridStarRenderer();
}
};
// Activatable editor cycling the number of stars on each activation.
class MyGridStarEditor : public wxGridCellActivatableEditor
{
public:
virtual wxGridActivationResult
TryActivate(int row, int col, wxGrid* grid,
const wxGridActivationSource& actSource) wxOVERRIDE
{
int numStars = -1;
switch ( actSource.GetOrigin() )
{
case wxGridActivationSource::Program:
// It isn't really possible to programmatically start editing a
// cell using this editor.
return wxGridActivationResult::DoNothing();
case wxGridActivationSource::Key:
switch ( actSource.GetKeyEvent().GetKeyCode() )
{
case '0': numStars = 0; break;
case '1': numStars = 1; break;
case '2': numStars = 2; break;
case '3': numStars = 3; break;
case '4': numStars = 4; break;
case '5': numStars = 5; break;
case ' ':
// Use space key to cycle over the values.
break;
default:
return wxGridActivationResult::DoNothing();
}
break;
case wxGridActivationSource::Mouse:
// Ideally we should use the mouse event position to determine
// on which star the user clicked, but for now keep it simple
// and just cycle through the star value.
break;
}
if ( numStars == -1 )
numStars = (GetStarValue(*grid, row, col) + 1) % (MAX_STARS + 1);
m_value.Printf("%d", numStars);
return wxGridActivationResult::DoChange(m_value);
}
virtual void DoActivate(int row, int col, wxGrid* grid) wxOVERRIDE
{
grid->SetCellValue(row, col, m_value);
}
virtual wxGridCellEditor *Clone() const wxOVERRIDE
{
return new MyGridStarEditor();
}
private:
wxString m_value;
};
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
wxIMPLEMENT_APP(GridApp);
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// GridApp
// ----------------------------------------------------------------------------
bool GridApp::OnInit()
{
GridFrame *frame = new GridFrame;
frame->Show(true);
return true;
}
// ----------------------------------------------------------------------------
// GridFrame
// ----------------------------------------------------------------------------
wxBEGIN_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_TOGGLEROWMOVING, GridFrame::ToggleRowMoving)
EVT_MENU( ID_TOGGLECOLMOVING, GridFrame::ToggleColMoving )
EVT_MENU( ID_TOGGLECOLHIDING, GridFrame::ToggleColHiding )
EVT_MENU( ID_TOGGLEGRIDSIZING, GridFrame::ToggleGridSizing )
EVT_MENU( ID_TOGGLEGRIDDRAGCELL, GridFrame::ToggleGridDragCell )
EVT_MENU( ID_COLNATIVEHEADER, GridFrame::SetNativeColHeader )
EVT_MENU( ID_COLNATIVELABELS, GridFrame::SetNativeColLabels )
EVT_MENU( ID_COLDEFAULTHEADER, GridFrame::SetDefaultColHeader )
EVT_MENU( ID_COLCUSTOMHEADER, GridFrame::SetCustomColHeader )
EVT_MENU_RANGE( ID_TAB_STOP, ID_TAB_LEAVE, GridFrame::SetTabBehaviour )
EVT_MENU( ID_TAB_CUSTOM, GridFrame::SetTabCustomHandler )
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_TOGGLE_CHECKERED_CELLS, GridFrame::ToggleCheckeredCells )
EVT_MENU( ID_TOGGLE_COLOURED_CELLS, GridFrame::ToggleColouredCells )
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_CORNERLABELHORIZALIGN, GridFrame::SetCornerLabelHorizAlignment )
EVT_MENU( ID_CORNERLABELVERTALIGN, GridFrame::SetCornerLabelVertAlignment )
EVT_MENU( ID_CORNERLABELORIENTATION, GridFrame::ToggleCornerLabelOrientation )
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_EDITCELL, GridFrame::EditCell )
EVT_MENU( ID_SETCORNERLABEL, GridFrame::SetCornerLabelValue )
EVT_MENU( ID_SHOWSEL, GridFrame::ShowSelection )
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_SELNONE, GridFrame::SelectNone )
EVT_MENU( ID_FREEZE_OR_THAW, GridFrame::FreezeOrThaw )
EVT_MENU( ID_SET_CELL_FG_COLOUR, GridFrame::SetCellFgColour )
EVT_MENU( ID_SET_CELL_BG_COLOUR, GridFrame::SetCellBgColour )
EVT_MENU( wxID_ABOUT, GridFrame::OnAbout )
EVT_MENU( wxID_CLEAR, GridFrame::OnClear )
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_HIDECOL, GridFrame::HideCol )
EVT_MENU( ID_SHOWCOL, GridFrame::ShowCol )
EVT_MENU( ID_HIDEROW, GridFrame::HideRow )
EVT_MENU( ID_SHOWROW, GridFrame::ShowRow )
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_COL_AUTO_SIZE( GridFrame::OnColAutoSize )
EVT_GRID_SELECT_CELL( GridFrame::OnSelectCell )
EVT_GRID_RANGE_SELECTING( GridFrame::OnRangeSelecting )
EVT_GRID_RANGE_SELECTED( 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 )
wxEND_EVENT_TABLE()
GridFrame::GridFrame()
: wxFrame( (wxFrame *)NULL, wxID_ANY, "wxWidgets grid class demo",
wxDefaultPosition,
wxDefaultSize )
{
SetIcon(wxICON(sample));
wxMenu *fileMenu = new wxMenu;
fileMenu->Append( ID_VTABLE, "&Virtual table test\tCtrl-V");
fileMenu->Append( ID_BUGS_TABLE, "&Bugs table test\tCtrl-B");
fileMenu->Append( ID_TABULAR_TABLE, "&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" );
#if wxUSE_LOG
fileMenu->AppendSeparator();
fileMenu->Append( wxID_CLEAR, "Clear &log\tCtrl-L" );
#endif // wxUSE_LOG
fileMenu->AppendSeparator();
fileMenu->Append( wxID_EXIT, "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_TOGGLEROWMOVING, "Row drag-move");
viewMenu->AppendCheckItem(ID_TOGGLECOLMOVING, "Col drag-&move");
viewMenu->AppendCheckItem(ID_TOGGLECOLHIDING, "Col hiding popup menu");
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)");
viewMenu->AppendCheckItem(ID_TOGGLE_CHECKERED_CELLS,
"Toggle Chec&kered Cells\tCtrl+Shift+K");
viewMenu->AppendCheckItem(ID_TOGGLE_COLOURED_CELLS,
"Toggle Co&loured Cells\tCtrl+Shift+L");
viewMenu->Append(ID_HIDECOL, "&Hide column A");
viewMenu->Append(ID_SHOWCOL, "&Show column A");
viewMenu->Append(ID_HIDEROW, "&Hide row 2");
viewMenu->Append(ID_SHOWROW, "&Show row 2");
wxMenu *rowLabelMenu = new wxMenu;
viewMenu->Append( ID_ROWLABELALIGN, "R&ow label alignment",
rowLabelMenu,
"Change alignment of row labels" );
rowLabelMenu->AppendRadioItem( ID_ROWLABELHORIZALIGN, "&Horizontal" );
rowLabelMenu->AppendRadioItem( ID_ROWLABELVERTALIGN, "&Vertical" );
wxMenu *colLabelMenu = new wxMenu;
viewMenu->Append( ID_COLLABELALIGN, "Col l&abel alignment",
colLabelMenu,
"Change alignment of col labels" );
colLabelMenu->AppendRadioItem( ID_COLLABELHORIZALIGN, "&Horizontal" );
colLabelMenu->AppendRadioItem( ID_COLLABELVERTALIGN, "&Vertical" );
wxMenu *cornerLabelMenu = new wxMenu;
viewMenu->Append( ID_CORNERLABELALIGN, "Corner label alignment",
cornerLabelMenu,
"Change alignment of corner label" );
cornerLabelMenu->AppendRadioItem( ID_CORNERLABELHORIZALIGN, "&Horizontal" );
cornerLabelMenu->AppendRadioItem( ID_CORNERLABELVERTALIGN, "&Vertical" );
viewMenu->Append( ID_CORNERLABELORIENTATION, "Toggle corner label orientation" );
wxMenu *colHeaderMenu = new wxMenu;
viewMenu->Append( ID_ROWLABELALIGN, "Col header style",
colHeaderMenu,
"Change style of col header" );
colHeaderMenu->AppendRadioItem( ID_COLDEFAULTHEADER, "&Default" );
colHeaderMenu->AppendRadioItem( ID_COLNATIVEHEADER, "&Native" );
colHeaderMenu->AppendRadioItem( ID_COLNATIVELABELS, "Native-&like" );
colHeaderMenu->AppendRadioItem( ID_COLCUSTOMHEADER, "&Custom" );
wxMenu *tabBehaviourMenu = new wxMenu;
tabBehaviourMenu->AppendRadioItem(ID_TAB_STOP, "&Stop at the boundary");
tabBehaviourMenu->AppendRadioItem(ID_TAB_WRAP, "&Wrap at the boundary");
tabBehaviourMenu->AppendRadioItem(ID_TAB_LEAVE, "&Leave the grid");
tabBehaviourMenu->AppendRadioItem(ID_TAB_CUSTOM, "&Custom tab handler");
viewMenu->AppendSubMenu(tabBehaviourMenu, "&Tab behaviour");
wxMenu *colMenu = new wxMenu;
colMenu->Append( ID_SETLABELCOLOUR, "Set &label colour..." );
colMenu->Append( ID_SETLABELTEXTCOLOUR, "Set label &text colour..." );
colMenu->Append( ID_SETLABEL_FONT, "Set label fo&nt..." );
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 &rows\tCtrl+I" );
editMenu->Append( ID_INSERTCOL, "Insert &columns\tCtrl+Shift+I" );
editMenu->Append( ID_DELETEROW, "Delete selected ro&ws\tCtrl+D" );
editMenu->Append( ID_DELETECOL, "Delete selected co&ls\tCtrl+Shift+D" );
editMenu->Append( ID_CLEARGRID, "Cl&ear grid cell contents" );
editMenu->Append( ID_EDITCELL, "&Edit current cell" );
editMenu->Append( ID_SETCORNERLABEL, "&Set corner label..." );
editMenu->AppendCheckItem( ID_FREEZE_OR_THAW, "Freeze up to cursor\tCtrl-F" );
wxMenu *selectMenu = new wxMenu;
selectMenu->Append( ID_SELECT_UNSELECT, "Add new cells to the selection",
"When off, old selection is deselected before "
"selecting the new cells", wxITEM_CHECK );
selectMenu->AppendSeparator();
selectMenu->Append( ID_SELECT_ALL, "Select all");
selectMenu->Append( ID_SELECT_ROW, "Select row 2");
selectMenu->Append( ID_SELECT_COL, "Select col 2");
selectMenu->Append( ID_SELECT_CELL, "Select cell (3, 1)");
selectMenu->AppendSeparator();
selectMenu->Append( ID_DESELECT_ALL, "Deselect all");
selectMenu->Append( ID_DESELECT_ROW, "Deselect row 2");
selectMenu->Append( ID_DESELECT_COL, "Deselect col 2");
selectMenu->Append( ID_DESELECT_CELL, "Deselect cell (3, 1)");
selectMenu->AppendSeparator();
wxMenu *selectionMenu = new wxMenu;
selectMenu->Append( ID_SHOWSEL, "&Show current selection\tCtrl-S" );
selectMenu->Append( ID_CHANGESEL, "Change &selection mode",
selectionMenu,
"Change selection mode" );
selectionMenu->Append( ID_SELCELLS, "Select &cells" );
selectionMenu->Append( ID_SELROWS, "Select &rows" );
selectionMenu->Append( ID_SELCOLS, "Select col&umns" );
selectionMenu->Append( ID_SELROWSORCOLS, "Select rows &or columns" );
selectionMenu->Append( ID_SELNONE, "&Disallow selection" );
wxMenu *autosizeMenu = new wxMenu;
autosizeMenu->Append( ID_SIZE_ROW, "Selected &row data" );
autosizeMenu->Append( ID_SIZE_COL, "Selected &column data" );
autosizeMenu->Append( ID_SIZE_ROW_LABEL, "Selected row la&bel" );
autosizeMenu->Append( ID_SIZE_COL_LABEL, "Selected column &label" );
autosizeMenu->Append( ID_SIZE_LABELS_COL, "Column la&bels" );
autosizeMenu->Append( ID_SIZE_LABELS_ROW, "Row label&s" );
autosizeMenu->Append( ID_SIZE_GRID, "Entire &grid" );
wxMenu *helpMenu = new wxMenu;
helpMenu->Append( wxID_ABOUT, "&About wxGrid demo" );
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append( fileMenu, "&File" );
menuBar->Append( viewMenu, "&Grid" );
menuBar->Append( colMenu, "&Colours" );
menuBar->Append( editMenu, "&Edit" );
menuBar->Append( selectMenu, "&Select" );
menuBar->Append( autosizeMenu, "&Autosize" );
menuBar->Append( helpMenu, "&Help" );
SetMenuBar( menuBar );
m_addToSel = false;
grid = new wxGrid( this,
wxID_ANY,
wxPoint( 0, 0 ),
FromDIP(wxSize( 800, 450 )) );
#if wxUSE_LOG
logWin = new wxTextCtrl( this,
wxID_ANY,
wxEmptyString,
wxDefaultPosition,
wxSize(-1, 8*GetCharHeight()),
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(1000);
grid->AppendCols(100);
int ir = grid->GetNumberRows();
grid->DeleteRows(0, ir);
grid->AppendRows(ir);
grid->SetRowSize( 0, 4*grid->GetDefaultRowSize() );
grid->SetCellValue( 0, 0, "Ctrl+Home\nwill go to\nthis cell" );
grid->SetCellValue( 0, 1, "A long piece of text to demonstrate wrapping." );
grid->SetCellRenderer(0 , 1, new wxGridCellAutoWrapStringRenderer);
grid->SetCellEditor( 0, 1 , new wxGridCellAutoWrapStringEditor);
grid->SetCellValue( 0, 2, "Blah" );
grid->SetCellValue( 0, 3, "Read only" );
grid->SetReadOnly( 0, 3 );
grid->SetCellValue( 0, 4, "Can veto edit this cell" );
grid->SetColSize(10, FromDIP(150));
wxString longtext = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ\n\n";
longtext += "With tabs :\n";
longtext += "Home,\t\thome\t\t\tagain\n";
longtext += "Long word at start :\n";
longtext += "ILikeToBeHereWhen I can\n";
longtext += "Long word in the middle :\n";
longtext += "When IComeHome,ColdAnd tired\n";
longtext += "Long last word :\n";
longtext += "It's GoodToWarmMyBonesBesideTheFire";
grid->SetCellValue( 0, 10, longtext );
grid->SetCellRenderer(0 , 10, new wxGridCellAutoWrapStringRenderer);
grid->SetCellEditor( 0, 10 , new wxGridCellAutoWrapStringEditor);
grid->SetCellValue( 0, 11, "K1 cell editor blocker" );
grid->SetCellValue( 0, 5, "Press\nCtrl+arrow\nto skip over\ncells" );
const int endRow = grid->GetNumberRows() - 1,
endCol = grid->GetNumberCols() - 1;
grid->SetRowSize(endRow, 4 * grid->GetDefaultRowSize());
grid->SetCellValue(endRow - 1, endCol - 1, "Test background colour setting");
grid->SetCellBackgroundColour(endRow - 1, endCol, wxColour(255, 127, 127));
grid->SetCellBackgroundColour(endRow, endCol - 1, wxColour(255, 127, 127));
grid->SetCellValue(endRow, endCol, "Ctrl+End\nwill go to\nthis cell");
grid->SetCellValue( 1, 0, "This default cell will overflow into neighboring cells, but not if you turn overflow off.");
grid->SetCellValue(2, 0, "This one always overflows");
grid->SetCellFitMode(2, 0, wxGridFitMode::Overflow());
grid->SetCellTextColour(1, 2, *wxRED);
grid->SetCellBackgroundColour(1, 2, *wxGREEN);
grid->SetCellValue( 1, 4, "I'm in the middle");
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, wxALIGN_CENTRE, wxALIGN_CENTRE);
grid->SetCellRenderer(4, 4, new MyGridCellRenderer);
grid->SetCellValue(4, 5, "3");
grid->SetCellRenderer(4, 5, new MyGridStarRenderer);
grid->SetCellEditor(4, 5, new MyGridStarEditor);
grid->SetCellRenderer(3, 0, new wxGridCellBoolRenderer);
grid->SetCellEditor(3, 0, new wxGridCellBoolEditor);
grid->SetCellBackgroundColour(3, 0, wxColour(255, 127, 127));
grid->SetCellRenderer(3, 1, new wxGridCellBoolRenderer);
grid->SetCellEditor(3, 1, new wxGridCellBoolEditor);
grid->SetCellValue(3, 1, "1");
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, "a wider column");
grid->SetColSize(4, 3*grid->GetDefaultColSize()/2);
grid->SetColMinimalWidth(4, grid->GetColSize(4));
grid->SetCellTextColour(5, 8, *wxGREEN);
grid->SetCellValue(5, 8, "Bg from row attr\nText col from cell attr");
grid->SetCellValue(5, 5, "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->SetReadOnly(0, 6);
grid->SetCellValue(0, 6, "Default\nfloat format");
grid->SetCellValue(1, 6, wxString::Format("%g", 3.1415));
grid->SetCellValue(2, 6, wxString::Format("%g", 1415.0));
grid->SetCellValue(3, 6, wxString::Format("%g", 12345.67890));
grid->SetColFormatFloat(7, 6, 2);
grid->SetReadOnly(0, 7);
grid->SetCellValue(0, 7, "Width 6\nprecision 2");
grid->SetCellValue(1, 7, wxString::Format("%g", 3.1415));
grid->SetCellValue(2, 7, wxString::Format("%g", 1415.0));
grid->SetCellValue(3, 7, wxString::Format("%g", 12345.67890));
grid->SetColFormatCustom(8,
wxString::Format("%s:%i,%i,%s", wxGRID_VALUE_FLOAT, -1, 4, "g"));
grid->SetReadOnly(0, 8);
grid->SetCellValue(0, 8, "Compact\nformat");
grid->SetCellValue(1, 8, "31415e-4");
grid->SetCellValue(2, 8, "1415");
grid->SetCellValue(3, 8, "123456789e-4");
grid->SetColFormatNumber(9);
grid->SetReadOnly(0, 9);
grid->SetCellValue(0, 9, "Integer\ncolumn");
grid->SetCellValue(1, 9, "17");
grid->SetCellValue(2, 9, "0");
grid->SetCellEditor(2, 9, new wxGridCellNumberEditor(0, 100));
grid->SetCellValue(2, 10, "<- This cell uses [0, 100] range");
grid->SetCellValue(3, 9, "-666");
grid->SetCellAlignment(3, 9, wxALIGN_CENTRE, wxALIGN_TOP);
grid->SetCellValue(3, 10, "<- This numeric cell should be centred");
grid->SetReadOnly(0, 13);
grid->SetCellValue(0, 13, "Localized date\ncolumn");
grid->SetColFormatDate(13); // Localized by default.
grid->SetCellValue(1, 13, "Today");
grid->SetReadOnly(0, 14);
grid->SetCellValue(0, 14, "ISO 8601 date\ncolumn");
grid->SetColFormatDate(14, "%Y-%m-%d"); // ISO 8601 date format.
grid->SetCellValue(1, 14, "Tomorrow");
grid->SetCellValue(13, 0, "Date cell:");
grid->SetCellValue(13, 1, "Today");
grid->SetCellRenderer(13, 1, new wxGridCellDateRenderer);
grid->SetCellEditor(13, 1, new wxGridCellDateEditor);
grid->SetCellValue(14, 0, "ISO date cell:");
grid->SetCellValue(14, 1, "Tomorrow");
grid->SetCellRenderer(14, 1, new wxGridCellDateRenderer("%Y-%m-%d"));
grid->SetCellEditor(14, 1, new wxGridCellDateEditor);
grid->SetCellValue(13, 3, "String using default ellipsization");
grid->SetCellFitMode(13, 3, wxGridFitMode::Ellipsize());
grid->SetCellValue(13, 4, "String ellipsized in the middle");
grid->SetCellFitMode(13, 4, wxGridFitMode::Ellipsize(wxELLIPSIZE_MIDDLE));
const wxString choices[] =
{
"Please select a choice",
"This takes two cells",
"Another choice",
};
grid->SetCellEditor(4, 2, new wxGridCellChoiceEditor(WXSIZEOF(choices), choices));
grid->SetCellSize(4, 2, 1, 2);
grid->SetCellValue(4, 2, choices[0]);
grid->SetCellOverflow(4, 2, false);
grid->SetCellSize(7, 1, 3, 4);
grid->SetCellAlignment(7, 1, wxALIGN_CENTRE, wxALIGN_CENTRE);
grid->SetCellValue(7, 1, "Big box!");
// create a separator-like row: it's grey and it's non-resizable
grid->DisableRowResize(10);
grid->SetRowSize(10, 3*grid->GetDefaultRowSize()/2);
attr = new wxGridCellAttr;
attr->SetBackgroundColour(*wxLIGHT_GREY);
attr->SetAlignment(wxALIGN_INVALID, wxALIGN_CENTRE);
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);
grid->Bind(wxEVT_CONTEXT_MENU, &GridFrame::OnGridContextMenu, this, grid->GetId());
wxBoxSizer *topSizer = new wxBoxSizer( wxVERTICAL );
topSizer->Add(grid, wxSizerFlags(2).Expand());
#if wxUSE_LOG
topSizer->Add(logWin, wxSizerFlags(1).Expand());
#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_TOGGLECOLHIDING, true );
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::ToggleRowMoving( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableDragRowMove(
GetMenuBar()->IsChecked( ID_TOGGLEROWMOVING ) );
}
void GridFrame::ToggleColMoving( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableDragColMove(
GetMenuBar()->IsChecked( ID_TOGGLECOLMOVING ) );
}
void GridFrame::ToggleColHiding( wxCommandEvent& WXUNUSED(ev) )
{
if ( !grid->EnableHidingColumns(
GetMenuBar()->IsChecked( ID_TOGGLECOLHIDING ) ) )
{
GetMenuBar()->Check( ID_TOGGLECOLHIDING, grid->CanHideColumns() );
}
}
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->UseNativeColHeader(true);
}
void GridFrame::SetNativeColLabels( wxCommandEvent& WXUNUSED(ev) )
{
CustomColumnHeadersProvider* provider =
static_cast<CustomColumnHeadersProvider*>(grid->GetTable()->GetAttrProvider());
provider->UseCustomColHeaders(false);
grid->UseNativeColHeader(false);
grid->SetUseNativeColLabels(true);
}
void GridFrame::SetCustomColHeader( wxCommandEvent& WXUNUSED(ev) )
{
CustomColumnHeadersProvider* provider =
static_cast<CustomColumnHeadersProvider*>(grid->GetTable()->GetAttrProvider());
provider->UseCustomColHeaders(true);
grid->UseNativeColHeader(false);
grid->SetUseNativeColLabels(false);
}
void GridFrame::SetDefaultColHeader( wxCommandEvent& WXUNUSED(ev) )
{
CustomColumnHeadersProvider* provider =
static_cast<CustomColumnHeadersProvider*>(grid->GetTable()->GetAttrProvider());
provider->UseCustomColHeaders(false);
grid->UseNativeColHeader(false);
grid->SetUseNativeColLabels(false);
}
void GridFrame::OnGridCustomTab(wxGridEvent& event)
{
// just for testing, make the cursor move up and down instead of the usual
// left and right
if ( event.ShiftDown() )
{
if ( grid->GetGridCursorRow() > 0 )
grid->MoveCursorUp( false );
}
else
{
if ( grid->GetGridCursorRow() < grid->GetNumberRows() - 1 )
grid->MoveCursorDown( false );
}
}
void GridFrame::SetTabBehaviour(wxCommandEvent& event)
{
// To make any built-in behaviour work, we need to disable the custom TAB
// handler, otherwise it would be overriding them.
grid->Unbind(wxEVT_GRID_TABBING, &GridFrame::OnGridCustomTab, this);
grid->SetTabBehaviour(
static_cast<wxGrid::TabBehaviour>(event.GetId() - ID_TAB_STOP)
);
}
void GridFrame::SetTabCustomHandler(wxCommandEvent&)
{
grid->Bind(wxEVT_GRID_TABBING, &GridFrame::OnGridCustomTab, this);
}
void GridFrame::OnGridContextMenu(wxContextMenuEvent& event)
{
// This is not supposed to happen: even if the grid consists of different
// subwindows internally, all context menu events should be seen as coming
// from the grid itself.
if ( event.GetEventObject() != grid )
{
wxLogError("Context menu unexpectedly sent from non-grid window.");
}
else
{
wxLogMessage("wxEVT_CONTEXT_MENU in the grid at at (%d, %d)",
event.GetPosition().x, event.GetPosition().y);
}
event.Skip();
}
void GridFrame::ToggleGridLines( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableGridLines(
GetMenuBar()->IsChecked( ID_TOGGLEGRIDLINES ) );
}
void GridFrame::OnSetHighlightWidth( wxCommandEvent& WXUNUSED(ev) )
{
wxString choices[] = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
wxSingleChoiceDialog dlg(this, "Choose the thickness of the highlight pen:",
"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[] = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
wxSingleChoiceDialog dlg(this, "Choose the thickness of the highlight pen:",
"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::SetCornerLabelHorizAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetCornerLabelAlignment( &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->SetCornerLabelAlignment( horiz, vert );
}
void GridFrame::SetCornerLabelVertAlignment( wxCommandEvent& WXUNUSED(ev) )
{
int horiz, vert;
grid->GetCornerLabelAlignment( &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->SetCornerLabelAlignment( horiz, vert );
}
void GridFrame::ToggleCornerLabelOrientation( wxCommandEvent& WXUNUSED(ev) )
{
int orientation = grid->GetCornerLabelTextOrientation();
switch(orientation)
{
case wxHORIZONTAL:
orientation = wxVERTICAL;
break;
case wxVERTICAL:
orientation = wxHORIZONTAL;
break;
}
grid->SetCornerLabelTextOrientation(orientation);
}
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 );
}
}
namespace
{
// Helper used to insert/delete rows/columns. Allows changing by more than
// one row/column at once.
void HandleEdits(wxGrid* grid, wxGridDirection direction, bool isInsertion)
{
const bool isRow = (direction == wxGRID_ROW);
const wxGridBlocks selected = grid->GetSelectedBlocks();
wxGridBlocks::iterator it = selected.begin();
if ( isInsertion )
{
int pos, count;
// Only do multiple insertions if we have a single consecutive
// selection (mimicking LibreOffice), otherwise do a single insertion
// at cursor.
if ( it != selected.end() && ++it == selected.end() )
{
const wxGridBlockCoords& b = *selected.begin();
pos = isRow ? b.GetTopRow() : b.GetLeftCol();
count = (isRow ? b.GetBottomRow() : b.GetRightCol()) - pos + 1;
}
else
{
pos = isRow ? grid->GetGridCursorRow() : grid->GetGridCursorCol();
count = 1;
}
if ( isRow )
grid->InsertRows(pos, count);
else
grid->InsertCols(pos, count);
return;
}
wxGridUpdateLocker locker(grid);
wxVector<int> deletions;
for (; it != selected.end(); ++it )
{
const wxGridBlockCoords& b = *it;
const int begin = isRow ? b.GetTopRow() : b.GetLeftCol();
const int end = isRow ? b.GetBottomRow() : b.GetRightCol();
for ( int n = begin; n <= end; ++n )
{
if ( !wxVectorContains(deletions, n) )
deletions.push_back(n);
}
}
wxVectorSort(deletions);
const size_t deletionCount = deletions.size();
if ( !deletionCount )
return;
int seqEnd = 0, seqCount = 0;
for ( size_t i = deletionCount; i > 0; --i )
{
const int n = deletions[i - 1];
if ( n != seqEnd - seqCount )
{
if (i != deletionCount)
{
const int seqStart = seqEnd - seqCount + 1;
if ( isRow )
grid->DeleteRows(seqStart, seqCount);
else
grid->DeleteCols(seqStart, seqCount);
}
seqEnd = n;
seqCount = 0;
}
seqCount++;
}
const int seqStart = seqEnd - seqCount + 1;
if ( isRow )
grid->DeleteRows(seqStart, seqCount);
else
grid->DeleteCols(seqStart, seqCount);
}
} // anoymous namespace
void GridFrame::InsertRow( wxCommandEvent& WXUNUSED(ev) )
{
HandleEdits(grid, wxGRID_ROW, /* isInsertion = */ true);
}
void GridFrame::InsertCol( wxCommandEvent& WXUNUSED(ev) )
{
HandleEdits(grid, wxGRID_COLUMN, /* isInsertion = */ true);
}
void GridFrame::DeleteSelectedRows( wxCommandEvent& WXUNUSED(ev) )
{
HandleEdits(grid, wxGRID_ROW, /* isInsertion = */ false);
}
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();
Layout();
}
void GridFrame::DeleteSelectedCols( wxCommandEvent& WXUNUSED(ev) )
{
HandleEdits(grid, wxGRID_COLUMN, /* isInsertion = */ false);
}
void GridFrame::ClearGrid( wxCommandEvent& WXUNUSED(ev) )
{
grid->ClearGrid();
}
void GridFrame::EditCell( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableCellEditControl();
}
void GridFrame::SetCornerLabelValue( wxCommandEvent& WXUNUSED(ev) )
{
wxTextEntryDialog dialog(this,
"Please enter corner label:",
"Please enter a string",
grid->GetCornerLabelValue(),
wxOK | wxCANCEL);
if (dialog.ShowModal() == wxID_OK)
{
grid->SetCornerLabelValue(dialog.GetValue());
}
}
void GridFrame::ShowSelection( wxCommandEvent& WXUNUSED(ev) )
{
int count = 0;
wxString desc;
const wxGridBlocks& sel = grid->GetSelectedBlocks();
for ( wxGridBlocks::iterator it = sel.begin(); it != sel.end(); ++it )
{
const wxGridBlockCoords& b = *it;
wxString blockDesc;
if ( b.GetLeftCol() == 0 &&
b.GetRightCol() == grid->GetNumberCols() - 1 )
{
if ( b.GetTopRow() == b.GetBottomRow() )
blockDesc.Printf("row %d", b.GetTopRow() + 1);
else
blockDesc.Printf("rows %d..%d",
b.GetTopRow() + 1, b.GetBottomRow() + 1);
}
else if ( b.GetTopRow() == 0 &&
b.GetBottomRow() == grid->GetNumberRows() - 1 )
{
if ( b.GetLeftCol() == b.GetRightCol() )
blockDesc.Printf("column %d", b.GetLeftCol() + 1);
else
blockDesc.Printf("columns %d..%d",
b.GetLeftCol() + 1,
b.GetRightCol() + 1);
}
else if ( b.GetTopRow() == b.GetBottomRow() &&
b.GetLeftCol() == b.GetRightCol() )
{
blockDesc.Printf("cell R%dC%d",
b.GetTopRow() + 1, b.GetLeftCol() + 1);
}
else
{
blockDesc.Printf("block R%dC%d - R%dC%d",
b.GetTopRow() + 1,
b.GetLeftCol() + 1,
b.GetBottomRow() + 1,
b.GetRightCol() + 1);
}
if ( count++ )
desc += "\n\t";
desc += blockDesc;
}
switch ( count )
{
case 0:
wxLogMessage("No selection");
break;
case 1:
wxLogMessage("Selection: %s", desc);
break;
default:
wxLogMessage("%d selected blocks:\n\t%s", count, desc);
}
}
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::SelectNone( wxCommandEvent& WXUNUSED(ev) )
{
grid->SetSelectionMode( wxGrid::wxGridSelectNone );
}
void GridFrame::FreezeOrThaw(wxCommandEvent& ev)
{
if ( ev.IsChecked() )
{
if ( !grid->FreezeTo(grid->GetGridCursorCoords()) )
{
wxLogMessage("Failed to freeze the grid.");
GetMenuBar()->Check(ID_FREEZE_OR_THAW, false);
return;
}
wxLogMessage("Grid is now frozen");
}
else
{
// This never fails.
grid->FreezeTo(0, 0);
wxLogMessage("Grid is now thawed");
}
GetMenuBar()->Enable( ID_TOGGLECOLMOVING, !grid->IsFrozen() );
GetMenuBar()->Enable( ID_TOGGLEROWMOVING, !grid->IsFrozen() );
}
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 << "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)";
if ( ev.ControlDown() )
logBuf << " (control down)";
wxLogMessage( "%s", logBuf );
// you must call event skip if you want default grid processing
//
ev.Skip();
}
void GridFrame::OnCellLeftClick( wxGridEvent& ev )
{
wxLogMessage("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::OnColAutoSize( wxGridSizeEvent &event )
{
// Fit even-numbered columns to their contents while using the default
// behaviour for the odd-numbered ones to be able to see the difference.
int col = event.GetRowOrCol();
if ( col % 2 )
{
wxLogMessage("Auto-sizing column %d to fit its contents", col);
grid->AutoSizeColumn(col);
}
else
{
event.Skip();
}
}
void GridFrame::OnSelectCell( wxGridEvent& ev )
{
wxString logBuf;
if ( ev.Selecting() )
logBuf << "Selected ";
else
logBuf << "Deselected ";
logBuf << "cell at row " << ev.GetRow()
<< " col " << ev.GetCol()
<< " ( ControlDown: "<< (ev.ControlDown() ? 'T':'F')
<< ", ShiftDown: "<< (ev.ShiftDown() ? 'T':'F')
<< ", AltDown: "<< (ev.AltDown() ? 'T':'F')
<< ", MetaDown: "<< (ev.MetaDown() ? 'T':'F') << " )";
//Indicate whether this row was moved
if ( grid->GetRowPos( ev.GetRow() ) != ev.GetRow() )
logBuf << " *** Row moved, current position: " << grid->GetRowPos( ev.GetRow() );
//Indicate whether this column was moved
if ( grid->GetColPos( ev.GetCol() ) != ev.GetCol() )
logBuf << " *** Column moved, current position: " << grid->GetColPos( ev.GetCol() );
wxLogMessage( "%s", logBuf );
// you must call Skip() if you want the default processing
// to occur in wxGrid
ev.Skip();
}
namespace
{
void
LogRangeSelectEvent(wxGridRangeSelectEvent& ev, const char* suffix)
{
wxString logBuf;
if ( ev.Selecting() )
logBuf << "Select";
else
logBuf << "Deselect";
logBuf << suffix
<< " cells from row " << ev.GetTopRow()
<< " col " << ev.GetLeftCol()
<< " to row " << ev.GetBottomRow()
<< " col " << ev.GetRightCol()
<< " ( ControlDown: "<< (ev.ControlDown() ? 'T':'F')
<< ", ShiftDown: "<< (ev.ShiftDown() ? 'T':'F')
<< ", AltDown: "<< (ev.AltDown() ? 'T':'F')
<< ", MetaDown: "<< (ev.MetaDown() ? 'T':'F') << " )";
wxLogMessage( "%s", logBuf );
ev.Skip();
}
} // anonymous namespace
void GridFrame::OnRangeSelected( wxGridRangeSelectEvent& ev )
{
LogRangeSelectEvent(ev, "ed");
}
void GridFrame::OnRangeSelecting( wxGridRangeSelectEvent& ev )
{
LogRangeSelectEvent(ev, "ing");
}
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("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("Are you sure you wish to edit this cell",
"Checking",wxYES_NO) == wxNO ) ) {
ev.Veto();
return;
}
wxLogMessage( "Cell editor shown." );
ev.Skip();
}
void GridFrame::OnEditorHidden( wxGridEvent& ev )
{
if ( (ev.GetCol() == 4) &&
(ev.GetRow() == 0) &&
(wxMessageBox("Are you sure you wish to finish editing this cell",
"Checking",wxYES_NO) == wxNO ) ) {
ev.Veto();
return;
}
wxLogMessage( "Cell editor hidden." );
ev.Skip();
}
void GridFrame::OnAbout( wxCommandEvent& WXUNUSED(ev) )
{
wxAboutDialogInfo aboutInfo;
aboutInfo.SetName("wxGrid demo");
aboutInfo.SetDescription(_("wxGrid sample program"));
aboutInfo.AddDeveloper("Michael Bedward");
aboutInfo.AddDeveloper("Julian Smart");
aboutInfo.AddDeveloper("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("http://www.wxwidgets.org");
wxAboutBox(aboutInfo, this);
}
void GridFrame::OnClear( wxCommandEvent& WXUNUSED(ev) )
{
#if wxUSE_LOG
logWin->Clear();
#endif // wxUSE_LOG
}
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);
}
wxGridCellAttr *MyGridCellAttrProvider::GetAttr(int row, int col,
wxGridCellAttr::wxAttrKind kind /* = wxGridCellAttr::Any */) const
{
wxGridCellAttrPtr attr(wxGridCellAttrProvider::GetAttr(row, col, kind));
if ( row % 2 )
{
if ( !attr )
{
attr = m_attrForOddRows;
}
else
{
if ( !attr->HasBackgroundColour() )
{
attr = attr->Clone();
attr->SetBackgroundColour(*wxLIGHT_GREY);
}
}
}
return attr.release();
}
void GridFrame::OnVTable(wxCommandEvent& )
{
static long s_sizeGrid = 10000;
s_sizeGrid = wxGetNumberFromUser("Size of the table to create",
"Size: ",
"wxGridDemo question",
s_sizeGrid,
0, 10000000, 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, "Plugin Virtual Table")
{
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->AssignTable(m_table);
SetClientSize(FromDIP(wxSize(500, 450)));
}
// ============================================================================
// 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[] =
{
"wishlist",
"minor",
"normal",
"major",
"critical",
};
static struct BugsGridData
{
int id;
wxString summary;
Severity severity;
int prio;
wxString platform;
bool opened;
} gs_dataBugsGrid [] =
{
{ 18, "foo doesn't work", Sev_Major, 1, "wxMSW", true },
{ 27, "bar crashes", Sev_Critical, 1, "all", false },
{ 45, "printing is slow", Sev_Minor, 3, "wxMSW", true },
{ 68, "Rectangle() fails", Sev_Normal, 1, "wxMSW", false },
};
// ----------------------------------------------------------------------------
// BugsGridTable
// ----------------------------------------------------------------------------
wxString BugsGridTable::GetTypeName(int WXUNUSED(row), int col)
{
switch ( col )
{
case Col_Id:
case Col_Priority:
return wxGRID_VALUE_NUMBER;
case Col_Severity:
wxFALLTHROUGH;
case Col_Summary:
return wxString::Format("%s:80", wxGRID_VALUE_STRING);
case Col_Platform:
return wxString::Format("%s:all,MSW,GTK,other", wxGRID_VALUE_CHOICE);
case Col_Opened:
return wxGRID_VALUE_BOOL;
}
wxFAIL_MSG("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("%d", gd.id);
case Col_Priority:
return wxString::Format("%d", gd.prio);
case Col_Opened:
return gd.opened ? "1" : "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("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("Invalid severity value '%s'.",
value);
gd.severity = Sev_Normal;
}
}
break;
case Col_Summary:
gd.summary = value;
break;
case Col_Platform:
gd.platform = value;
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("unexpected column");
return -1;
}
}
bool BugsGridTable::GetValueAsBool( int row, int col )
{
if ( col == Col_Opened )
{
return gs_dataBugsGrid[row].opened;
}
else
{
wxFAIL_MSG("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("unexpected column");
}
}
void BugsGridTable::SetValueAsBool( int row, int col, bool value )
{
if ( col == Col_Opened )
{
gs_dataBugsGrid[row].opened = value;
}
else
{
wxFAIL_MSG("unexpected column");
}
}
wxString BugsGridTable::GetColLabelValue( int col )
{
static const wxString headers[] = { "Id",
"Summary",
"Severity",
"Priority",
"Platform",
"Opened?" };
return headers[col];
}
// ----------------------------------------------------------------------------
// BugsGridFrame
// ----------------------------------------------------------------------------
BugsGridFrame::BugsGridFrame()
: wxFrame(NULL, wxID_ANY, "Bugs table")
{
wxGrid *grid = new wxGrid(this, wxID_ANY);
wxGridTableBase *table = new BugsGridTable();
table->SetAttrProvider(new MyGridCellAttrProvider);
grid->AssignTable(table);
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() wxOVERRIDE { return ROW_MAX; }
virtual int GetNumberCols() wxOVERRIDE { return COL_MAX; }
virtual wxString GetValue(int row, int col) wxOVERRIDE
{
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&) wxOVERRIDE
{
wxFAIL_MSG( "shouldn't be called" );
}
virtual wxString GetColLabelValue(int col) wxOVERRIDE
{
// 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&) wxOVERRIDE
{
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 wxOVERRIDE
{
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_EnableRowMove,
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 OnToggleRowMove(wxCommandEvent&)
{
m_grid->EnableDragRowMove(m_chkEnableRowMove->IsChecked());
}
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);
UpdateColOrderAndVisibility();
}
}
void OnMoveColumn(wxCommandEvent&)
{
int col = m_txtColIndex->GetCol();
int pos = m_txtColPos->GetCol();
if ( col == -1 || pos == -1 )
return;
m_grid->SetColPos(col, pos);
UpdateColOrderAndVisibility();
}
void OnResetColumnOrder(wxCommandEvent&)
{
m_grid->ResetColPos();
UpdateColOrderAndVisibility();
}
void OnGridColSort(wxGridEvent& event)
{
const int col = event.GetCol();
m_table->Sort(col, !(m_grid->IsSortingBy(col) &&
m_grid->IsSortOrderAscending()));
}
void OnGridRowMove(wxGridEvent& event)
{
// can't update it yet as the order hasn't been changed, so do it a bit
// later
m_shouldUpdateRowOrder = true;
event.Skip();
}
void OnGridColMove(wxGridEvent& event)
{
// can't update it yet as the order hasn't been changed, so do it a bit
// later
m_shouldUpdateColOrder = 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
UpdateColOrderAndVisibility();
event.Skip();
}
void OnIdle(wxIdleEvent& event)
{
if ( m_shouldUpdateColOrder )
{
m_shouldUpdateColOrder = false;
UpdateColOrderAndVisibility();
}
if ( m_shouldUpdateRowOrder )
{
m_shouldUpdateRowOrder = false;
UpdateRowOrderAndVisibility();
}
event.Skip();
}
void UpdateColOrderAndVisibility()
{
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);
}
void UpdateRowOrderAndVisibility()
{
wxString s;
for ( int pos = 0; pos < TabularGridTable::ROW_MAX; pos++ )
{
const int row = m_grid->GetRowAt(pos);
const bool isHidden = m_grid->GetRowSize(row) == 0;
if ( isHidden )
s << '[';
s << row;
if ( isHidden )
s << ']';
s << ' ';
}
m_statOrder->SetLabel(s);
}
// controls
wxGrid *m_grid;
TabularGridTable *m_table;
wxCheckBox *m_chkUseNative,
*m_chkDrawNative,
*m_chkShowRowLabels,
*m_chkEnableRowMove,
*m_chkEnableColMove;
ColIndexEntry *m_txtColIndex,
*m_txtColPos,
*m_txtColShowHide;
wxStaticText *m_statOrder;
// fla for EVT_IDLE handler
bool m_shouldUpdateRowOrder,
m_shouldUpdateColOrder;
wxDECLARE_NO_COPY_CLASS(TabularGridFrame);
wxDECLARE_EVENT_TABLE();
};
wxBEGIN_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_ROW_MOVE(TabularGridFrame::OnGridRowMove)
EVT_GRID_COL_MOVE(TabularGridFrame::OnGridColMove)
EVT_GRID_COL_SIZE(TabularGridFrame::OnGridColSize)
EVT_IDLE(TabularGridFrame::OnIdle)
wxEND_EVENT_TABLE()
TabularGridFrame::TabularGridFrame()
: wxFrame(NULL, wxID_ANY, "Tabular table")
{
m_shouldUpdateColOrder = 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->AssignTable(m_table, wxGrid::wxGridSelectRows);
m_grid->EnableDragRowMove();
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_chkEnableRowMove = new wxCheckBox(panel, Id_Check_EnableRowMove,
"Allow row reordering");
m_chkEnableRowMove->SetValue(true);
sizerStyles->Add(m_chkEnableRowMove, 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(FromDIP(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 sizeOffset( 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;
sizeOffset.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 *= zoom;
// delete any existing render frame and create new one
wxWindow* win = FindWindowByName( "frameRender" );
if ( win )
win->Destroy();
// create a frame large enough for the rendered bitmap
wxFrame* frame = new wxFrame( this, wxID_ANY, "Grid Render" );
frame->SetClientSize( sizeRender + sizeOffset * 2 );
frame->SetName( "frameRender" );
wxPanel* canvas = new wxPanel( frame, wxID_ANY );
// make a bitmap large enough for any top/left offset
wxBitmap bmp( sizeRender + sizeOffset );
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->Bind( wxEVT_PAINT, &GridFrame::OnRenderPaint, 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 );
}
void GridFrame::HideCol( wxCommandEvent& WXUNUSED(event) )
{
grid->HideCol(0);
}
void GridFrame::ShowCol( wxCommandEvent& WXUNUSED(event) )
{
grid->ShowCol(0);
}
void GridFrame::HideRow( wxCommandEvent& WXUNUSED(event) )
{
grid->HideRow(1);
}
void GridFrame::ShowRow( wxCommandEvent& WXUNUSED(event) )
{
grid->ShowRow(1);
}
namespace
{
// Toggle status of either checkered or coloured cells in the grid.
// Note that, for shared attribute testing purposes, with checkered cells
// a cell's complete attribute is destructively overwritten (except merged
// cells which are skipped). While with coloured cells only the background
// colour changes.
void ToggleGridCells(wxGrid* grid, bool useCheckered)
{
static bool s_checkeredOn, s_colouredOn;
if ( useCheckered )
s_checkeredOn = !s_checkeredOn;
else
s_colouredOn = !s_colouredOn;
wxGridCellAttrPtr attr;
if ( useCheckered && s_checkeredOn )
{
attr = wxGridCellAttrPtr(new wxGridCellAttr);
attr->SetBackgroundColour(*wxLIGHT_GREY);
}
wxColour bgCol = grid->GetDefaultCellBackgroundColour();
for ( int row = 0; row < grid->GetNumberRows(); ++row )
{
for ( int col = 0; col < grid->GetNumberCols(); ++col )
{
if ( useCheckered && (row ^ col) & 1 )
continue;
// Skip overwriting attributes of merged cells.
int rows, cols;
if ( useCheckered
&& grid->GetCellSize(row, col, &rows, &cols)
!= wxGrid::CellSpan_None )
{
continue;
}
if ( useCheckered )
{
grid->SetAttr(row, col, attr.get());
if ( s_checkeredOn )
attr->IncRef();
}
else
{
if ( s_colouredOn )
{
const int factor = 256 / 64;
unsigned char r, g, b;
r = (127 + row * factor + col / factor) & 0xff;
g = (col * factor + row / (factor * 2)) & 0xff;
b = ((row ^ col) * factor) & 0xff;
bgCol.Set(r < 128 ? r * 2 : 255 - r * 2,
g < 128 ? g * 2 : 255 - g * 2,
b < 128 ? b * 2 : 255 - b * 2);
}
grid->SetCellBackgroundColour(row, col, bgCol);
}
}
}
grid->Refresh();
}
} // anoymous namespace
void GridFrame::ToggleCheckeredCells( wxCommandEvent& WXUNUSED(event) )
{
ToggleGridCells(grid, /* useCheckered = */ true);
}
void GridFrame::ToggleColouredCells( wxCommandEvent& WXUNUSED(event) )
{
ToggleGridCells(grid, /* useCheckered = */ false);
}
Reference in New Issue View Git Blame Copy Permalink