X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/396825dced4558d8d724d0e38f7e1017f76d0a96..5c87527c5a81eda63e7ccbda2f226ca02716e7da:/src/common/headerctrlcmn.cpp diff --git a/src/common/headerctrlcmn.cpp b/src/common/headerctrlcmn.cpp index 883e8c7c9c..bc5fd71f60 100644 --- a/src/common/headerctrlcmn.cpp +++ b/src/common/headerctrlcmn.cpp @@ -24,19 +24,43 @@ #endif #ifndef WX_PRECOMP + #include "wx/menu.h" #endif // WX_PRECOMP #include "wx/headerctrl.h" +#include "wx/rearrangectrl.h" + +namespace +{ // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- -namespace -{ - const unsigned int wxNO_COLUMN = static_cast(-1); +// ---------------------------------------------------------------------------- +// wxHeaderColumnsRearrangeDialog: dialog for customizing our columns +// ---------------------------------------------------------------------------- + +class wxHeaderColumnsRearrangeDialog : public wxRearrangeDialog +{ +public: + wxHeaderColumnsRearrangeDialog(wxWindow *parent, + const wxArrayInt& order, + const wxArrayString& items) + : wxRearrangeDialog + ( + parent, + _("Please select the columns to show and define their order:"), + _("Customize Columns"), + order, + items + ) + { + } +}; + } // anonymous namespace // ============================================================================ @@ -47,6 +71,7 @@ extern WXDLLIMPEXP_DATA_CORE(const char) wxHeaderCtrlNameStr[] = "wxHeaderCtrl"; BEGIN_EVENT_TABLE(wxHeaderCtrlBase, wxControl) EVT_HEADER_SEPARATOR_DCLICK(wxID_ANY, wxHeaderCtrlBase::OnSeparatorDClick) + EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxHeaderCtrlBase::OnRClick) END_EVENT_TABLE() void wxHeaderCtrlBase::ScrollWindow(int dx, @@ -64,12 +89,26 @@ void wxHeaderCtrlBase::ScrollWindow(int dx, DoScrollHorz(dx); } +void wxHeaderCtrlBase::SetColumnCount(unsigned int count) +{ + if ( count != GetColumnCount() ) + OnColumnCountChanging(count); + + // still call DoSetCount() even if the count didn't really change in order + // to update all the columns + DoSetCount(count); +} + +// ---------------------------------------------------------------------------- +// wxHeaderCtrlBase event handling +// ---------------------------------------------------------------------------- + void wxHeaderCtrlBase::OnSeparatorDClick(wxHeaderCtrlEvent& event) { const unsigned col = event.GetColumn(); int w = wxWindowBase::GetTextExtent(GetColumn(col).GetTitle()).x; - w += 2*GetCharWidth(); // add some arbitrary margins around text + w += 4*GetCharWidth(); // add some arbitrary margins around text if ( !UpdateColumnWidthToFit(col, w) ) event.Skip(); @@ -77,6 +116,247 @@ void wxHeaderCtrlBase::OnSeparatorDClick(wxHeaderCtrlEvent& event) UpdateColumn(col); } +void wxHeaderCtrlBase::OnRClick(wxHeaderCtrlEvent& event) +{ + if ( !HasFlag(wxHD_ALLOW_HIDE) ) + { + event.Skip(); + return; + } + + ShowColumnsMenu(ScreenToClient(wxGetMousePosition())); +} + +// ---------------------------------------------------------------------------- +// 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++ ) + { + 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? +} + +void wxHeaderCtrlBase::ResetColumnsOrder() +{ + const unsigned count = GetColumnCount(); + wxArrayInt order(count); + for ( unsigned n = 0; n < count; n++ ) + order[n] = n; + + DoSetColumnsOrder(order); +} + +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); +} + +void +wxHeaderCtrlBase::DoResizeColumnIndices(wxArrayInt& colIndices, unsigned int count) +{ + // update the column indices array if necessary + const unsigned countOld = colIndices.size(); + if ( count > countOld ) + { + // all new columns have default positions equal to their indices + for ( unsigned n = countOld; n < count; n++ ) + colIndices.push_back(n); + } + else if ( count < countOld ) + { + // filter out all the positions which are invalid now while keeping the + // order of the remaining ones + wxArrayInt colIndicesNew; + colIndicesNew.reserve(count); + for ( unsigned n = 0; n < countOld; n++ ) + { + const unsigned idx = colIndices[n]; + if ( idx < count ) + colIndicesNew.push_back(idx); + } + + colIndices.swap(colIndicesNew); + } + //else: count didn't really change, nothing to do + + wxASSERT_MSG( colIndices.size() == count, "logic error" ); +} + +// ---------------------------------------------------------------------------- +// wxHeaderCtrl extra UI +// ---------------------------------------------------------------------------- + +bool wxHeaderCtrlBase::ShowColumnsMenu(const wxPoint& pt, const wxString& title) +{ + // construct the menu with the entries for all columns + wxMenu menu; + if ( !title.empty() ) + menu.SetTitle(title); + + const unsigned count = GetColumnCount(); + for ( unsigned n = 0; n < count; n++ ) + { + const wxHeaderColumn& col = GetColumn(n); + menu.AppendCheckItem(n, col.GetTitle()); + if ( col.IsShown() ) + menu.Check(n, true); + } + + // ... and an extra one to show the customization dialog if the user is + // allowed to reorder the columns too + if ( HasFlag(wxHD_ALLOW_REORDER) ) + { + menu.AppendSeparator(); + menu.Append(count, _("&Customize...")); + } + + // do show the menu and get the user selection + const int rc = GetPopupMenuSelectionFromUser(menu, pt); + if ( rc == wxID_NONE ) + return false; + + if ( static_cast(rc) == count ) + { + return ShowCustomizeDialog(); + } + else // a column selected from the menu + { + UpdateColumnVisibility(rc, !GetColumn(rc).IsShown()); + } + + return true; +} + +bool wxHeaderCtrlBase::ShowCustomizeDialog() +{ + // prepare the data for showing the dialog + wxArrayInt order = GetColumnsOrder(); + + const unsigned count = GetColumnCount(); + + // notice that titles are always in the index order, they will be shown + // rearranged according to the display order in the dialog + wxArrayString titles; + titles.reserve(count); + for ( unsigned n = 0; n < count; n++ ) + titles.push_back(GetColumn(n).GetTitle()); + + // this loop is however over positions and not indices + unsigned pos; + for ( pos = 0; pos < count; pos++ ) + { + int& idx = order[pos]; + if ( GetColumn(idx).IsHidden() ) + { + // indicate that this one is hidden + idx = ~idx; + } + } + + // do show it + wxHeaderColumnsRearrangeDialog dlg(this, order, titles); + if ( dlg.ShowModal() != wxID_OK ) + return false; + + // and apply the changes + order = dlg.GetOrder(); + for ( pos = 0; pos < count; pos++ ) + { + int& idx = order[pos]; + const bool show = idx >= 0; + if ( !show ) + { + // make all indices positive for passing them to SetColumnsOrder() + idx = ~idx; + } + + if ( show != GetColumn(idx).IsShown() ) + UpdateColumnVisibility(idx, show); + } + + UpdateColumnsOrder(order); + SetColumnsOrder(order); + + return true; +} + // ============================================================================ // wxHeaderCtrlSimple implementation // ============================================================================ @@ -86,7 +366,7 @@ void wxHeaderCtrlSimple::Init() m_sortKey = wxNO_COLUMN; } -wxHeaderColumnBase& wxHeaderCtrlSimple::GetColumn(unsigned int idx) +const wxHeaderColumn& wxHeaderCtrlSimple::GetColumn(unsigned int idx) const { return m_cols[idx]; } @@ -157,7 +437,6 @@ wxHeaderCtrlSimple::UpdateColumnWidthToFit(unsigned int idx, int widthTitle) return false; m_cols[idx].SetWidth(wxMax(widthContents, widthTitle)); - UpdateColumn(idx); return true; } @@ -181,3 +460,8 @@ 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();