X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/05d790f834be56ea4f4a1d2896e9d56f2ef1d4f4..cc4d5638c66a409e421420ed7110917755a66788:/src/common/lboxcmn.cpp diff --git a/src/common/lboxcmn.cpp b/src/common/lboxcmn.cpp index 27def6167d..2afe3f1b7b 100644 --- a/src/common/lboxcmn.cpp +++ b/src/common/lboxcmn.cpp @@ -4,7 +4,6 @@ // Author: Vadim Zeitlin // Modified by: // Created: 22.10.99 -// RCS-ID: $Id$ // Copyright: (c) wxWidgets team // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// @@ -31,8 +30,11 @@ #ifndef WX_PRECOMP #include "wx/dynarray.h" #include "wx/arrstr.h" + #include "wx/log.h" #endif +extern WXDLLEXPORT_DATA(const char) wxListBoxNameStr[] = "listBox"; + // ============================================================================ // implementation // ============================================================================ @@ -42,6 +44,78 @@ wxListBoxBase::~wxListBoxBase() // this destructor is required for Darwin } +// ---------------------------------------------------------------------------- +// XTI +// ---------------------------------------------------------------------------- + +wxDEFINE_FLAGS( wxListBoxStyle ) +wxBEGIN_FLAGS( wxListBoxStyle ) +// new style border flags, we put them first to +// use them for streaming out +wxFLAGS_MEMBER(wxBORDER_SIMPLE) +wxFLAGS_MEMBER(wxBORDER_SUNKEN) +wxFLAGS_MEMBER(wxBORDER_DOUBLE) +wxFLAGS_MEMBER(wxBORDER_RAISED) +wxFLAGS_MEMBER(wxBORDER_STATIC) +wxFLAGS_MEMBER(wxBORDER_NONE) + +// old style border flags +wxFLAGS_MEMBER(wxSIMPLE_BORDER) +wxFLAGS_MEMBER(wxSUNKEN_BORDER) +wxFLAGS_MEMBER(wxDOUBLE_BORDER) +wxFLAGS_MEMBER(wxRAISED_BORDER) +wxFLAGS_MEMBER(wxSTATIC_BORDER) +wxFLAGS_MEMBER(wxBORDER) + +// standard window styles +wxFLAGS_MEMBER(wxTAB_TRAVERSAL) +wxFLAGS_MEMBER(wxCLIP_CHILDREN) +wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) +wxFLAGS_MEMBER(wxWANTS_CHARS) +wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) +wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) +wxFLAGS_MEMBER(wxVSCROLL) +wxFLAGS_MEMBER(wxHSCROLL) + +wxFLAGS_MEMBER(wxLB_SINGLE) +wxFLAGS_MEMBER(wxLB_MULTIPLE) +wxFLAGS_MEMBER(wxLB_EXTENDED) +wxFLAGS_MEMBER(wxLB_HSCROLL) +wxFLAGS_MEMBER(wxLB_ALWAYS_SB) +wxFLAGS_MEMBER(wxLB_NEEDED_SB) +wxFLAGS_MEMBER(wxLB_SORT) +wxEND_FLAGS( wxListBoxStyle ) + +wxIMPLEMENT_DYNAMIC_CLASS_XTI(wxListBox, wxControl, "wx/listbox.h") + +wxBEGIN_PROPERTIES_TABLE(wxListBox) +wxEVENT_PROPERTY( Select, wxEVT_LISTBOX, wxCommandEvent ) +wxEVENT_PROPERTY( DoubleClick, wxEVT_LISTBOX_DCLICK, wxCommandEvent ) + +wxPROPERTY( Font, wxFont, SetFont, GetFont , wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) +wxPROPERTY_COLLECTION( Choices, wxArrayString, wxString, AppendString, \ + GetStrings, 0 /*flags*/, wxT("Helpstring"), wxT("group") ) +wxPROPERTY( Selection, int, SetSelection, GetSelection, wxEMPTY_PARAMETER_VALUE, \ + 0 /*flags*/, wxT("Helpstring"), wxT("group") ) + +wxPROPERTY_FLAGS( WindowStyle, wxListBoxStyle, long, SetWindowStyleFlag, \ + GetWindowStyleFlag, wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) // style +wxEND_PROPERTIES_TABLE() + +wxEMPTY_HANDLERS_TABLE(wxListBox) + +wxCONSTRUCTOR_4( wxListBox, wxWindow*, Parent, wxWindowID, Id, \ + wxPoint, Position, wxSize, Size ) + +/* + TODO PROPERTIES + selection + content + item + */ + // ---------------------------------------------------------------------------- // selection // ---------------------------------------------------------------------------- @@ -57,6 +131,14 @@ bool wxListBoxBase::SetStringSelection(const wxString& s, bool select) return true; } +void wxListBoxBase::SetSelection(int n) +{ + if ( !HasMultipleSelection() ) + DoChangeSingleSelection(n); + + DoSetSelection(n, true); +} + void wxListBoxBase::DeselectAll(int itemToLeaveSelected) { if ( HasMultipleSelection() ) @@ -84,108 +166,143 @@ void wxListBoxBase::DeselectAll(int itemToLeaveSelected) void wxListBoxBase::UpdateOldSelections() { + // When the control becomes empty, any previously remembered selections are + // invalid anyhow, so just forget them. + if ( IsEmpty() ) + { + m_oldSelections.clear(); + return; + } + + // We need to remember the selection even in single-selection case on + // Windows, so that we don't send an event when the user clicks on an + // already selected item. +#ifndef __WXMSW__ if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED)) +#endif + { GetSelections( m_oldSelections ); + } } -static void LBSendEvent( wxCommandEvent &event, wxListBoxBase *listbox, int item ) +bool wxListBoxBase::SendEvent(wxEventType evtType, int item, bool selected) { - event.SetInt( item ); - event.SetString( listbox->GetString( item ) ); - if ( listbox->HasClientObjectData() ) - event.SetClientObject( listbox->GetClientObject(item) ); - else if ( listbox->HasClientUntypedData() ) - event.SetClientData( listbox->GetClientData(item) ); - listbox->HandleWindowEvent( event ); + wxCommandEvent event(evtType, GetId()); + event.SetEventObject(this); + + event.SetInt(item); + event.SetString(GetString(item)); + event.SetExtraLong(selected); + + if ( HasClientObjectData() ) + event.SetClientObject(GetClientObject(item)); + else if ( HasClientUntypedData() ) + event.SetClientData(GetClientData(item)); + + return HandleWindowEvent(event); } -void wxListBoxBase::CalcAndSendEvent() +bool wxListBoxBase::DoChangeSingleSelection(int item) { - wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId() ); - event.SetEventObject( this ); + // As we don't use m_oldSelections in single selection mode, we store the + // last item that we notified the user about in it in this case because we + // need to remember it to be able to filter out the dummy selection changes + // that we get when the user clicks on an already selected item. + if ( !m_oldSelections.empty() && *m_oldSelections.begin() == item ) + { + // Same item as the last time. + return false; + } + m_oldSelections.clear(); + m_oldSelections.push_back(item); + + return true; +} + +bool wxListBoxBase::CalcAndSendEvent() +{ wxArrayInt selections; - GetSelections( selections ); - - if ((selections.GetCount() == 0) && (m_oldSelections.GetCount() == 0)) - { - // nothing changed, just leave - return; - } - - if (selections.GetCount() == m_oldSelections.GetCount()) + GetSelections(selections); + bool selected = true; + + if ( selections.empty() && m_oldSelections.empty() ) + { + // nothing changed, just leave + return false; + } + + const size_t countSel = selections.size(), + countSelOld = m_oldSelections.size(); + if ( countSel == countSelOld ) + { + bool changed = false; + for ( size_t idx = 0; idx < countSel; idx++ ) { - bool changed = false; - size_t idx; - for (idx = 0; idx < selections.GetCount(); idx++) + if (selections[idx] != m_oldSelections[idx]) { - if (selections[idx] != m_oldSelections[idx]) - { - changed = true; - break; - } + changed = true; + break; } - - // nothing changed, just leave - if (!changed) - return; } - if (selections.GetCount() == 0) - { - // indicate that this is a deselection - event.SetExtraLong( 0 ); - int item = m_oldSelections[0]; - m_oldSelections = selections; - LBSendEvent( event, this, item ); - return; - } - - int item; + // nothing changed, just leave + if ( !changed ) + return false; + } + + int item = wxNOT_FOUND; + if ( selections.empty() ) + { + selected = false; + item = m_oldSelections[0]; + } + else // we [still] have some selections + { // Now test if any new item is selected bool any_new_selected = false; - size_t idx; - for (idx = 0; idx < selections.GetCount(); idx++) + for ( size_t idx = 0; idx < countSel; idx++ ) { item = selections[idx]; - if (m_oldSelections.Index(item) == wxNOT_FOUND) + if ( m_oldSelections.Index(item) == wxNOT_FOUND ) { any_new_selected = true; break; } } - - if (any_new_selected) - { - // indicate that this is a selection - event.SetExtraLong( 1 ); - m_oldSelections = selections; - LBSendEvent( event, this, item ); - return; - } - - // Now test if any new item is deselected - bool any_new_deselected = false; - for (idx = 0; idx < m_oldSelections.GetCount(); idx++) + + if ( !any_new_selected ) { - item = m_oldSelections[idx]; - if (selections.Index(item) == wxNOT_FOUND) + // No new items selected, now test if any new item is deselected + bool any_new_deselected = false; + for ( size_t idx = 0; idx < countSelOld; idx++ ) { - any_new_deselected = true; - break; + item = m_oldSelections[idx]; + if ( selections.Index(item) == wxNOT_FOUND ) + { + any_new_deselected = true; + break; + } + } + + if ( any_new_deselected ) + { + // indicate that this is a selection + selected = false; + } + else + { + item = wxNOT_FOUND; // this should be impossible } } - - if (any_new_deselected) - { - // indicate that this is a selection - event.SetExtraLong( 0 ); - m_oldSelections = selections; - LBSendEvent( event, this, item ); - return; - } - - wxLogError( wxT("Wrong wxListBox selection") ); + } + + wxASSERT_MSG( item != wxNOT_FOUND, + "Logic error in wxListBox selection event generation code" ); + + m_oldSelections = selections; + + return SendEvent(wxEVT_LISTBOX, item, selected); } // ---------------------------------------------------------------------------- @@ -195,7 +312,7 @@ void wxListBoxBase::CalcAndSendEvent() void wxListBoxBase::Command(wxCommandEvent& event) { SetSelection(event.GetInt(), event.GetExtraLong() != 0); - (void)ProcessEvent(event); + (void)GetEventHandler()->ProcessEvent(event); } // ----------------------------------------------------------------------------