Don't use "Cancel" button in the about dialog of the listctrl sample.

[wxWidgets.git] / src / common / lboxcmn.cpp

diff --git a/src/common/lboxcmn.cpp b/src/common/lboxcmn.cpp
index 642b324e9b1ab4559310d0df957e0b9e5ce90757..0e1d05019365d2c6bad19c5782992dc6135085fe 100644 (file)
--- a/src/common/lboxcmn.cpp
+++ b/src/common/lboxcmn.cpp
@@ -1,11 +1,11 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// 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:      $Id$
 // Purpose:     wxListBox class methods common to all platforms
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     22.10.99
 // RCS-ID:      $Id$

-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team

 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "listboxbase.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -28,54 +24,286 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_LISTBOX
+
+#include "wx/listbox.h"
+

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-    #include "wx/listbox.h"
+    #include "wx/dynarray.h"
+    #include "wx/arrstr.h"
+    #include "wx/log.h"

 #endif
 
 #endif
 

+extern WXDLLEXPORT_DATA(const char) wxListBoxNameStr[] = "listBox";
+

 // ============================================================================
 // implementation
 // ============================================================================
 
 // ============================================================================
 // implementation
 // ============================================================================
 

+wxListBoxBase::~wxListBoxBase()
+{
+    // this destructor is required for Darwin
+}
+
+// ----------------------------------------------------------------------------
+// XTI

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-// adding items
+
+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)
+{
+    const int sel = FindString(s);
+    if ( sel == wxNOT_FOUND )
+        return false;
+
+    SetSelection(sel, select);
+
+    return true;
+}
+
+void wxListBoxBase::SetSelection(int n)
+{
+    if ( !HasMultipleSelection() )
+        DoChangeSingleSelection(n);
+
+    DoSetSelection(n, true);
+}
+
+void wxListBoxBase::DeselectAll(int itemToLeaveSelected)
+{
+    if ( HasMultipleSelection() )
+    {
+        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);
+        }
+    }
+}

 
 

-void wxListBoxBase::InsertItems(int nItems, const wxString *items, int pos)
+void wxListBoxBase::UpdateOldSelections()

 {
 {

-    wxArrayString aItems;
-    for ( int n = 0; n < nItems; n++ )
+    // When the control becomes empty, any previously remembered selections are
+    // invalid anyhow, so just forget them.
+    if ( IsEmpty() )

     {
     {

-        aItems.Add(items[n]);
+        m_oldSelections.clear();
+        return;

     }
 
     }
 

-    DoInsertItems(aItems, pos);
+    // 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::SendEvent(wxEventType evtType, int item, bool selected)
+{
+    wxCommandEvent event(evtType, GetId());
+    event.SetEventObject(this);
+
+    event.SetInt(item);
+    event.SetString(GetString(item));
+    event.SetExtraLong(selected);

 
 

-void wxListBoxBase::Set(int nItems, const wxString* items, void **clientData)
+    if ( HasClientObjectData() )
+        event.SetClientObject(GetClientObject(item));
+    else if ( HasClientUntypedData() )
+        event.SetClientData(GetClientData(item));
+
+    return HandleWindowEvent(event);
+}
+
+bool wxListBoxBase::DoChangeSingleSelection(int item)

 {
 {

-    wxArrayString aItems;
-    for ( int n = 0; n < nItems; n++ )
+    // 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 )

     {
     {

-        aItems.Add(items[n]);
+        // Same item as the last time.
+        return false;

     }
 
     }
 

-    DoSetItems(aItems, clientData);
-}
+    m_oldSelections.clear();
+    m_oldSelections.push_back(item);

 
 

-// ----------------------------------------------------------------------------
-// selection
-// ----------------------------------------------------------------------------
+    return true;
+}

 
 

-bool wxListBoxBase::SetStringSelection(const wxString& s, bool select)
+bool wxListBoxBase::CalcAndSendEvent()

 {
 {

-    int sel = FindString(s);
-    wxCHECK_MSG( sel != -1, FALSE,
-                 wxT("invalid string in SetStringSelection") );
+    wxArrayInt selections;
+    GetSelections(selections);
+    bool selected = true;

 
 

-    SetSelection(sel, select);
+    if ( selections.empty() && m_oldSelections.empty() )
+    {
+        // nothing changed, just leave
+        return false;
+    }

 
 

-    return TRUE;
+    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;
+    }
+
+    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
+            }
+        }
+    }
+
+    wxASSERT_MSG( item != wxNOT_FOUND,
+                  "Logic error in wxListBox selection event generation code" );
+
+    m_oldSelections = selections;
+
+    return SendEvent(wxEVT_COMMAND_LISTBOX_SELECTED, item, selected);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -84,15 +312,33 @@ bool wxListBoxBase::SetStringSelection(const wxString& s, bool select)
 
 void wxListBoxBase::Command(wxCommandEvent& event)
 {
 
 void wxListBoxBase::Command(wxCommandEvent& event)
 {

-    SetSelection(event.m_commandInt, event.m_extraLong != 0);
-    (void)ProcessEvent(event);
+    SetSelection(event.GetInt(), event.GetExtraLong() != 0);
+    (void)GetEventHandler()->ProcessEvent(event);

 }
 
 }
 

+// ----------------------------------------------------------------------------
+// SetFirstItem() and such
+// ----------------------------------------------------------------------------
+

 void wxListBoxBase::SetFirstItem(const wxString& s)
 {
     int n = FindString(s);
 
 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);
 }
 
     DoSetFirstItem(n);
 }

+
+void wxListBoxBase::AppendAndEnsureVisible(const wxString& s)
+{
+    Append(s);
+    EnsureVisible(GetCount() - 1);
+}
+
+void wxListBoxBase::EnsureVisible(int WXUNUSED(n))
+{
+    // the base class version does nothing (the only alternative would be to
+    // call SetFirstItem() but this is probably even more stupid)
+}
+
+#endif // wxUSE_LISTBOX