X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2ee3ee1bc8ac2f95029835ebc115fac0a1fbd02a..b3ee9f4d2efa4a5088b4c84eb8a0ba712fa7e7fb:/src/common/lboxcmn.cpp diff --git a/src/common/lboxcmn.cpp b/src/common/lboxcmn.cpp index 8525ef8104..0e1d050193 100644 --- a/src/common/lboxcmn.cpp +++ b/src/common/lboxcmn.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: common/lboxcmn.cpp +// Name: src/common/lboxcmn.cpp // Purpose: wxListBox class methods common to all platforms // Author: Vadim Zeitlin // Modified by: // Created: 22.10.99 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team -// Licence: wxWindows licence +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "listboxbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,124 +24,321 @@ #pragma hdrstop #endif +#if wxUSE_LISTBOX + +#include "wx/listbox.h" + #ifndef WX_PRECOMP - #include "wx/listbox.h" + #include "wx/dynarray.h" + #include "wx/arrstr.h" + #include "wx/log.h" #endif +extern WXDLLEXPORT_DATA(const char) wxListBoxNameStr[] = "listBox"; + // ============================================================================ // implementation // ============================================================================ +wxListBoxBase::~wxListBoxBase() +{ + // this destructor is required for Darwin +} + // ---------------------------------------------------------------------------- -// adding items +// XTI // ---------------------------------------------------------------------------- -void wxListBoxBase::InsertItems(int nItems, const wxString *items, int pos) +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_COMMAND_LISTBOX_SELECTED, wxCommandEvent ) +wxEVENT_PROPERTY( DoubleClick, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, 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 +// ---------------------------------------------------------------------------- + +bool wxListBoxBase::SetStringSelection(const wxString& s, bool select) { - wxArrayString aItems; - for ( int n = 0; n < nItems; n++ ) - { - aItems.Add(items[n]); - } + const int sel = FindString(s); + if ( sel == wxNOT_FOUND ) + return false; - DoInsertItems(aItems, pos); + SetSelection(sel, select); + + return true; } +void wxListBoxBase::SetSelection(int n) +{ + if ( !HasMultipleSelection() ) + DoChangeSingleSelection(n); + + DoSetSelection(n, true); +} -void wxListBoxBase::Set(int nItems, const wxString* items, void **clientData) +void wxListBoxBase::DeselectAll(int itemToLeaveSelected) { - wxArrayString aItems; - for ( int n = 0; n < nItems; n++ ) + if ( HasMultipleSelection() ) { - aItems.Add(items[n]); + wxArrayInt selections; + GetSelections(selections); + + size_t count = selections.GetCount(); + for ( size_t n = 0; n < count; n++ ) + { + int item = selections[n]; + if ( item != itemToLeaveSelected ) + Deselect(item); + } + } + else // single selection + { + int sel = GetSelection(); + if ( sel != wxNOT_FOUND && sel != itemToLeaveSelected ) + { + Deselect(sel); + } } - - DoSetItems(aItems, clientData); } -// ---------------------------------------------------------------------------- -// selection -// ---------------------------------------------------------------------------- - -wxString wxListBoxBase::GetStringSelection () const +void wxListBoxBase::UpdateOldSelections() { - wxString s; - int sel = GetSelection(); - if ( sel != -1 ) - s = GetString(sel); + // When the control becomes empty, any previously remembered selections are + // invalid anyhow, so just forget them. + if ( IsEmpty() ) + { + m_oldSelections.clear(); + return; + } - return s; + // 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 ); + } } -bool wxListBoxBase::SetStringSelection(const wxString& s, bool select) +bool wxListBoxBase::SendEvent(wxEventType evtType, int item, bool selected) { - int sel = FindString(s); - wxCHECK_MSG( sel != -1, FALSE, - wxT("invalid string in wxListBox::SetStringSelection") ); + wxCommandEvent event(evtType, GetId()); + event.SetEventObject(this); - SetSelection(sel, select); + event.SetInt(item); + event.SetString(GetString(item)); + event.SetExtraLong(selected); - return TRUE; -} + if ( HasClientObjectData() ) + event.SetClientObject(GetClientObject(item)); + else if ( HasClientUntypedData() ) + event.SetClientData(GetClientData(item)); -// ---------------------------------------------------------------------------- -// client data -// ---------------------------------------------------------------------------- + return HandleWindowEvent(event); +} -void wxListBoxBase::SetClientObject(int n, wxClientData *data) +bool wxListBoxBase::DoChangeSingleSelection(int item) { - wxASSERT_MSG( m_clientDataItemsType != ClientData_Void, - wxT("can't have both object and void client data") ); + // 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; + } - wxClientData *clientDataOld = DoGetClientObject(n); - if ( clientDataOld ) - delete clientDataOld; + m_oldSelections.clear(); + m_oldSelections.push_back(item); - DoSetClientObject(n, data); - m_clientDataItemsType = ClientData_Object; + return true; } -wxClientData *wxListBoxBase::GetClientObject(int n) const +bool wxListBoxBase::CalcAndSendEvent() { - wxASSERT_MSG( m_clientDataItemsType == ClientData_Object, - wxT("this window doesn't have object client data") ); + wxArrayInt selections; + GetSelections(selections); + bool selected = true; - return DoGetClientObject(n); -} + if ( selections.empty() && m_oldSelections.empty() ) + { + // nothing changed, just leave + return false; + } -void wxListBoxBase::SetClientData(int n, void *data) -{ - wxASSERT_MSG( m_clientDataItemsType != ClientData_Object, - wxT("can't have both object and void client data") ); + const size_t countSel = selections.size(), + countSelOld = m_oldSelections.size(); + if ( countSel == countSelOld ) + { + bool changed = false; + for ( size_t idx = 0; idx < countSel; idx++ ) + { + if (selections[idx] != m_oldSelections[idx]) + { + changed = true; + break; + } + } + + // nothing changed, just leave + if ( !changed ) + return false; + } - DoSetClientData(n, data); - m_clientDataItemsType = ClientData_Void; -} + 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; + for ( size_t idx = 0; idx < countSel; idx++ ) + { + item = selections[idx]; + if ( m_oldSelections.Index(item) == wxNOT_FOUND ) + { + any_new_selected = true; + break; + } + } + + if ( !any_new_selected ) + { + // 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++ ) + { + 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 + } + } + } -void *wxListBoxBase::GetClientData(int n) const -{ - wxASSERT_MSG( m_clientDataItemsType == ClientData_Void, - wxT("this window doesn't have void client data") ); + wxASSERT_MSG( item != wxNOT_FOUND, + "Logic error in wxListBox selection event generation code" ); + + m_oldSelections = selections; - return DoGetClientData(n); + return SendEvent(wxEVT_COMMAND_LISTBOX_SELECTED, item, selected); } // ---------------------------------------------------------------------------- // misc // ---------------------------------------------------------------------------- +void wxListBoxBase::Command(wxCommandEvent& event) +{ + SetSelection(event.GetInt(), event.GetExtraLong() != 0); + (void)GetEventHandler()->ProcessEvent(event); +} + +// ---------------------------------------------------------------------------- +// SetFirstItem() and such +// ---------------------------------------------------------------------------- + void wxListBoxBase::SetFirstItem(const wxString& s) { int n = FindString(s); - wxCHECK_RET( n != -1, wxT("invalid string in wxListBox::SetFirstItem") ); + wxCHECK_RET( n != wxNOT_FOUND, wxT("invalid string in wxListBox::SetFirstItem") ); DoSetFirstItem(n); } -void wxListBoxBase::Command(wxCommandEvent & event) +void wxListBoxBase::AppendAndEnsureVisible(const wxString& s) +{ + Append(s); + EnsureVisible(GetCount() - 1); +} + +void wxListBoxBase::EnsureVisible(int WXUNUSED(n)) { - SetSelection(event.m_commandInt, event.m_extraLong); - (void)ProcessEvent(event); + // the base class version does nothing (the only alternative would be to + // call SetFirstItem() but this is probably even more stupid) } +#endif // wxUSE_LISTBOX