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Added support for corner, row and column headers renderers to wxGrid.

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Make it possible to customize the appearance of wxGrid corner window and its
row and column headers by defining custom renderers for them.

Add demonstration of this new feature to the grid sample and update the
documentation.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61919 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2009-09-14 00:45:29 +00:00
parent 62960a2c6e
commit ba9574c310
6 changed files with 536 additions and 70 deletions
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133
samples/grid/griddemo.cpp
View File

@@ -43,6 +43,85 @@
#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
// ----------------------------------------------------------------------------
@@ -78,7 +157,9 @@ BEGIN_EVENT_TABLE( GridFrame, wxFrame )
EVT_MENU( ID_TOGGLECOLMOVING, GridFrame::ToggleColMoving )
EVT_MENU( ID_TOGGLEGRIDSIZING, GridFrame::ToggleGridSizing )
EVT_MENU( ID_TOGGLEGRIDDRAGCELL, GridFrame::ToggleGridDragCell )
EVT_MENU( ID_TOGGLENATIVEHEADER, GridFrame::ToggleNativeHeader )
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 )
@@ -170,7 +251,6 @@ GridFrame::GridFrame()
viewMenu->AppendCheckItem(ID_TOGGLECOLMOVING, "Col drag-&move");
viewMenu->AppendCheckItem(ID_TOGGLEGRIDSIZING, "&Grid drag-resize");
viewMenu->AppendCheckItem(ID_TOGGLEGRIDDRAGCELL, "&Grid drag-cell");
viewMenu->AppendCheckItem(ID_TOGGLENATIVEHEADER, "&Native column headers");
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...");
@@ -184,8 +264,8 @@ GridFrame::GridFrame()
rowLabelMenu,
wxT("Change alignment of row labels") );
rowLabelMenu->Append( ID_ROWLABELHORIZALIGN, wxT("&Horizontal") );
rowLabelMenu->Append( ID_ROWLABELVERTALIGN, wxT("&Vertical") );
rowLabelMenu->AppendRadioItem( ID_ROWLABELHORIZALIGN, wxT("&Horizontal") );
rowLabelMenu->AppendRadioItem( ID_ROWLABELVERTALIGN, wxT("&Vertical") );
wxMenu *colLabelMenu = new wxMenu;
@@ -193,8 +273,19 @@ GridFrame::GridFrame()
colLabelMenu,
wxT("Change alignment of col labels") );
colLabelMenu->Append( ID_COLLABELHORIZALIGN, wxT("&Horizontal") );
colLabelMenu->Append( ID_COLLABELVERTALIGN, wxT("&Vertical") );
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...") );
@@ -267,6 +358,7 @@ GridFrame::GridFrame()
wxPoint( 0, 0 ),
wxSize( 400, 300 ) );
#if wxUSE_LOG
int gridW = 600, gridH = 300;
int logW = gridW, logH = 100;
@@ -286,6 +378,9 @@ GridFrame::GridFrame()
// 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);
@@ -427,7 +522,6 @@ void GridFrame::SetDefaults()
GetMenuBar()->Check( ID_TOGGLECOLMOVING, false );
GetMenuBar()->Check( ID_TOGGLEGRIDSIZING, true );
GetMenuBar()->Check( ID_TOGGLEGRIDDRAGCELL, false );
GetMenuBar()->Check( ID_TOGGLENATIVEHEADER, false );
GetMenuBar()->Check( ID_TOGGLEGRIDLINES, true );
GetMenuBar()->Check( ID_CELLOVERFLOW, true );
}
@@ -497,12 +591,31 @@ void GridFrame::ToggleGridDragCell( wxCommandEvent& WXUNUSED(ev) )
GetMenuBar()->IsChecked( ID_TOGGLEGRIDDRAGCELL ) );
}
void GridFrame::ToggleNativeHeader( wxCommandEvent& WXUNUSED(ev) )
void GridFrame::SetNativeColHeader( wxCommandEvent& WXUNUSED(ev) )
{
grid->SetUseNativeColLabels(
GetMenuBar()->IsChecked( ID_TOGGLENATIVEHEADER ) );
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(