X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/56873923f39af96aac6bfc5776d2637b8c4623ca..3e23102435cb5c97a71548232ae37978a6755e8d:/src/common/headerctrlcmn.cpp diff --git a/src/common/headerctrlcmn.cpp b/src/common/headerctrlcmn.cpp index 596bcf9abe..66548a1ff9 100644 --- a/src/common/headerctrlcmn.cpp +++ b/src/common/headerctrlcmn.cpp @@ -28,17 +28,262 @@ #include "wx/headerctrl.h" +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +namespace +{ + +const unsigned int wxNO_COLUMN = static_cast(-1); + +} // anonymous namespace + // ============================================================================ // wxHeaderCtrlBase implementation // ============================================================================ -WXDLLIMPEXP_DATA_CORE(const char) wxHeaderCtrlNameStr[] = "wxHeaderCtrl"; +extern WXDLLIMPEXP_DATA_CORE(const char) wxHeaderCtrlNameStr[] = "wxHeaderCtrl"; + +BEGIN_EVENT_TABLE(wxHeaderCtrlBase, wxControl) + EVT_HEADER_SEPARATOR_DCLICK(wxID_ANY, wxHeaderCtrlBase::OnSeparatorDClick) +END_EVENT_TABLE() + +void wxHeaderCtrlBase::ScrollWindow(int dx, + int WXUNUSED_UNLESS_DEBUG(dy), + const wxRect * WXUNUSED_UNLESS_DEBUG(rect)) + +{ + // this doesn't make sense at all + wxASSERT_MSG( !dy, "header window can't be scrolled vertically" ); + + // this would actually be nice to support for "frozen" headers but it isn't + // supported currently + wxASSERT_MSG( !rect, "header window can't be scrolled partially" ); + + DoScrollHorz(dx); +} + +void wxHeaderCtrlBase::SetColumnCount(unsigned int count) +{ + OnColumnCountChanging(count); + + DoSetCount(count); +} + +// ---------------------------------------------------------------------------- +// wxHeaderCtrlBase event handling +// ---------------------------------------------------------------------------- -void wxHeaderCtrlBase::DeleteAllColumns() +void wxHeaderCtrlBase::OnSeparatorDClick(wxHeaderCtrlEvent& event) +{ + const unsigned col = event.GetColumn(); + + int w = wxWindowBase::GetTextExtent(GetColumn(col).GetTitle()).x; + w += 4*GetCharWidth(); // add some arbitrary margins around text + + if ( !UpdateColumnWidthToFit(col, w) ) + event.Skip(); + else + UpdateColumn(col); +} + +// ---------------------------------------------------------------------------- +// wxHeaderCtrlBase column reordering +// ---------------------------------------------------------------------------- + +void wxHeaderCtrlBase::SetColumnsOrder(const wxArrayInt& order) { const unsigned count = GetColumnCount(); + wxCHECK_RET( order.size() == count, "wrong number of columns" ); + + // check the array validity + wxArrayInt seen(count, 0); for ( unsigned n = 0; n < count; n++ ) - DeleteColumn(0); + { + const unsigned idx = order[n]; + wxCHECK_RET( idx < count, "invalid column index" ); + wxCHECK_RET( !seen[idx], "duplicate column index" ); + + seen[idx] = 1; + } + + DoSetColumnsOrder(order); + + // TODO-RTL: do we need to reverse the array? +} + +wxArrayInt wxHeaderCtrlBase::GetColumnsOrder() const +{ + const wxArrayInt order = DoGetColumnsOrder(); + + wxASSERT_MSG( order.size() == GetColumnCount(), "invalid order array" ); + + return order; +} + +unsigned int wxHeaderCtrlBase::GetColumnAt(unsigned int pos) const +{ + wxCHECK_MSG( pos < GetColumnCount(), wxNO_COLUMN, "invalid position" ); + + return GetColumnsOrder()[pos]; } +unsigned int wxHeaderCtrlBase::GetColumnPos(unsigned int idx) const +{ + const unsigned count = GetColumnCount(); + + wxCHECK_MSG( idx < count, wxNO_COLUMN, "invalid index" ); + + const wxArrayInt order = GetColumnsOrder(); + for ( unsigned n = 0; n < count; n++ ) + { + if ( (unsigned)order[n] == idx ) + return n; + } + + wxFAIL_MSG( "column unexpectedly not displayed at all" ); + + return wxNO_COLUMN; +} + +/* static */ +void wxHeaderCtrlBase::MoveColumnInOrderArray(wxArrayInt& order, + unsigned int idx, + unsigned int pos) +{ + const unsigned count = order.size(); + + wxArrayInt orderNew; + orderNew.reserve(count); + for ( unsigned n = 0; ; n++ ) + { + // NB: order of checks is important for this to work when the new + // column position is the same as the old one + + // insert the column at its new position + if ( orderNew.size() == pos ) + orderNew.push_back(idx); + + if ( n == count ) + break; + + // delete the column from its old position + const unsigned idxOld = order[n]; + if ( idxOld == idx ) + continue; + + orderNew.push_back(idxOld); + } + + order.swap(orderNew); +} + +// ============================================================================ +// wxHeaderCtrlSimple implementation +// ============================================================================ + +void wxHeaderCtrlSimple::Init() +{ + m_sortKey = wxNO_COLUMN; +} + +wxHeaderColumn& wxHeaderCtrlSimple::GetColumn(unsigned int idx) +{ + return m_cols[idx]; +} + +void wxHeaderCtrlSimple::DoInsert(const wxHeaderColumnSimple& col, unsigned int idx) +{ + m_cols.insert(m_cols.begin() + idx, col); + + UpdateColumnCount(); +} + +void wxHeaderCtrlSimple::DoDelete(unsigned int idx) +{ + m_cols.erase(m_cols.begin() + idx); + if ( idx == m_sortKey ) + m_sortKey = wxNO_COLUMN; + + UpdateColumnCount(); +} + +void wxHeaderCtrlSimple::DeleteAllColumns() +{ + m_cols.clear(); + m_sortKey = wxNO_COLUMN; + + UpdateColumnCount(); +} + + +void wxHeaderCtrlSimple::DoShowColumn(unsigned int idx, bool show) +{ + if ( show != m_cols[idx].IsShown() ) + { + m_cols[idx].SetHidden(!show); + + UpdateColumn(idx); + } +} + +void wxHeaderCtrlSimple::DoShowSortIndicator(unsigned int idx, bool ascending) +{ + RemoveSortIndicator(); + + m_cols[idx].SetAsSortKey(ascending); + m_sortKey = idx; + + UpdateColumn(idx); +} + +void wxHeaderCtrlSimple::RemoveSortIndicator() +{ + if ( m_sortKey != wxNO_COLUMN ) + { + const unsigned sortOld = m_sortKey; + m_sortKey = wxNO_COLUMN; + + m_cols[sortOld].UnsetAsSortKey(); + + UpdateColumn(sortOld); + } +} + +bool +wxHeaderCtrlSimple::UpdateColumnWidthToFit(unsigned int idx, int widthTitle) +{ + const int widthContents = GetBestFittingWidth(idx); + if ( widthContents == -1 ) + return false; + + m_cols[idx].SetWidth(wxMax(widthContents, widthTitle)); + + return true; +} + +// ============================================================================ +// wxHeaderCtrlEvent implementation +// ============================================================================ + +IMPLEMENT_DYNAMIC_CLASS(wxHeaderCtrlEvent, wxNotifyEvent) + +const wxEventType wxEVT_COMMAND_HEADER_CLICK = wxNewEventType(); +const wxEventType wxEVT_COMMAND_HEADER_RIGHT_CLICK = wxNewEventType(); +const wxEventType wxEVT_COMMAND_HEADER_MIDDLE_CLICK = wxNewEventType(); + +const wxEventType wxEVT_COMMAND_HEADER_DCLICK = wxNewEventType(); +const wxEventType wxEVT_COMMAND_HEADER_RIGHT_DCLICK = wxNewEventType(); +const wxEventType wxEVT_COMMAND_HEADER_MIDDLE_DCLICK = wxNewEventType(); + +const wxEventType wxEVT_COMMAND_HEADER_SEPARATOR_DCLICK = wxNewEventType(); + +const wxEventType wxEVT_COMMAND_HEADER_BEGIN_RESIZE = wxNewEventType(); +const wxEventType wxEVT_COMMAND_HEADER_RESIZING = wxNewEventType(); +const wxEventType wxEVT_COMMAND_HEADER_END_RESIZE = wxNewEventType(); + +const wxEventType wxEVT_COMMAND_HEADER_BEGIN_REORDER = wxNewEventType(); +const wxEventType wxEVT_COMMAND_HEADER_END_REORDER = wxNewEventType(); +const wxEventType wxEVT_COMMAND_HEADER_DRAGGING_CANCELLED = wxNewEventType();