+// ----------------------------------------------------------------------------
+// wxHeaderCtrl creation
+// ----------------------------------------------------------------------------
+
+void wxHeaderCtrl::Init()
+{
+ m_hover = COL_NONE;
+ m_scrollOffset = 0;
+}
+
+bool wxHeaderCtrl::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxString& name)
+{
+ if ( !wxHeaderCtrlBase::Create(parent, id, pos, size,
+ style, wxDefaultValidator, name) )
+ return false;
+
+ // tell the system to not paint the background at all to avoid flicker as
+ // we paint the entire window area in our OnPaint()
+ SetBackgroundStyle(wxBG_STYLE_CUSTOM);
+
+ return true;
+}
+
+wxHeaderCtrl::~wxHeaderCtrl()
+{
+}
+
+// ----------------------------------------------------------------------------
+// wxHeaderCtrl columns manipulation
+// ----------------------------------------------------------------------------
+
+unsigned int wxHeaderCtrl::DoGetCount() const
+{
+ return m_cols.size();
+}
+
+void wxHeaderCtrl::DoInsert(const wxHeaderColumn& col, unsigned int idx)
+{
+ m_cols.insert(m_cols.begin() + idx, col);
+ m_sortOrders.insert(m_sortOrders.begin() + idx, -1);
+
+ if ( m_cols[idx].IsShown() )
+ RefreshColsAfter(idx);
+}
+
+void wxHeaderCtrl::DoDelete(unsigned int idx)
+{
+ m_cols.erase(m_cols.begin() + idx);
+ m_sortOrders.erase(m_sortOrders.begin() + idx);
+
+ RefreshColsAfter(idx);
+}
+
+void wxHeaderCtrl::DoShowColumn(unsigned int idx, bool show)
+{
+ if ( show != m_cols[idx].IsShown() )
+ {
+ m_cols[idx].SetHidden(!show);
+
+ RefreshColsAfter(idx);
+ }
+}
+
+void wxHeaderCtrl::DoShowSortIndicator(unsigned int idx, int sortOrder)
+{
+ if ( sortOrder != m_sortOrders[idx] )
+ {
+ m_sortOrders[idx] = sortOrder;
+
+ RefreshCol(idx);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// wxHeaderCtrl scrolling
+// ----------------------------------------------------------------------------
+
+void wxHeaderCtrl::DoScrollHorz(int dx)
+{
+ m_scrollOffset += dx;
+
+ // don't call our own version which calls this function!
+ wxControl::ScrollWindow(dx, 0);
+}
+
+// ----------------------------------------------------------------------------
+// wxHeaderCtrl geometry
+// ----------------------------------------------------------------------------
+
+wxSize wxHeaderCtrl::DoGetBestSize() const
+{
+ // the vertical size is rather arbitrary but it looks better if we leave
+ // some space around the text
+ return wxSize(GetColStart(GetColumnCount()), (7*GetCharHeight())/4);
+}
+
+int wxHeaderCtrl::GetColStart(unsigned int idx) const
+{
+ int pos = 0;
+ for ( unsigned n = 0; n < idx; n++ )
+ {
+ const wxHeaderColumn& col = m_cols[n];
+ if ( col.IsShown() )
+ pos += col.GetWidth();
+ }
+
+ return pos;
+}
+
+// ----------------------------------------------------------------------------
+// wxHeaderCtrl repainting
+// ----------------------------------------------------------------------------
+
+void wxHeaderCtrl::RefreshCol(unsigned int idx)
+{
+ wxRect rect = GetClientRect();
+ rect.x += GetColStart(idx);
+ rect.width = m_cols[idx].GetWidth();
+
+ RefreshRect(rect);
+}
+
+void wxHeaderCtrl::RefreshColsAfter(unsigned int idx)
+{
+ wxRect rect = GetClientRect();
+ const int ofs = GetColStart(idx);
+ rect.x += ofs;
+ rect.width -= ofs;
+
+ RefreshRect(rect);
+}
+
+// ----------------------------------------------------------------------------
+// wxHeaderCtrl event handlers
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(wxHeaderCtrl, wxControl)
+ EVT_PAINT(wxHeaderCtrl::OnPaint)
+
+ EVT_MOUSE_EVENTS(wxHeaderCtrl::OnMouse)
+END_EVENT_TABLE()
+
+void wxHeaderCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
+{
+ int w, h;
+ GetClientSize(&w, &h);
+
+ wxAutoBufferedPaintDC dc(this);
+
+ dc.SetBackground(GetBackgroundColour());
+ dc.Clear();
+
+ // account for the horizontal scrollbar offset in the parent window
+ dc.SetDeviceOrigin(m_scrollOffset, 0);
+
+ const unsigned int count = m_cols.size();
+ int xpos = 0;
+ for ( unsigned int i = 0; i < count; i++ )
+ {
+ const wxHeaderColumn& col = m_cols[i];
+ if ( col.IsHidden() )
+ continue;
+
+ const int colWidth = col.GetWidth();
+
+ wxHeaderSortIconType sortArrow;
+ switch ( m_sortOrders[i] )
+ {
+ default:
+ wxFAIL_MSG( "wrong sort order value" );
+ // fall through
+
+ case -1:
+ sortArrow = wxHDR_SORT_ICON_NONE;
+ break;
+
+ case 0:
+ sortArrow = wxHDR_SORT_ICON_DOWN;
+ break;
+
+ case 1:
+ sortArrow = wxHDR_SORT_ICON_UP;
+ break;
+ }
+
+ int state = 0;
+ if ( IsEnabled() )
+ {
+ if ( i == m_hover )
+ state = wxCONTROL_CURRENT;
+ }
+ else // disabled
+ {
+ state = wxCONTROL_DISABLED;
+ }
+
+ wxHeaderButtonParams params;
+ params.m_labelText = col.GetTitle();
+ params.m_labelBitmap = col.GetBitmap();
+ params.m_labelAlignment = col.GetAlignment();
+
+ wxRendererNative::Get().DrawHeaderButton
+ (
+ this,
+ dc,
+ wxRect(xpos, 0, colWidth, h),
+ state,
+ sortArrow,
+ ¶ms
+ );
+
+ xpos += colWidth;
+ }
+}
+
+void wxHeaderCtrl::OnMouse(wxMouseEvent& event)
+{
+ event.Skip();
+}
+
projects / wxWidgets.git / commitdiff
