Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / src / osx / listbox_osx.cpp

diff --git a/src/osx/listbox_osx.cpp b/src/osx/listbox_osx.cpp
index 157eef3251e494a97498d95bff4f26975c5a5f0b..63a7bc9e4b74b0a797d6b72ca564da73ad7d83f1 100644 (file)
--- a/src/osx/listbox_osx.cpp
+++ b/src/osx/listbox_osx.cpp
@@ -1,10 +1,10 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        src/osx/carbon/listbox.cpp
+// Name:        src/osx/listbox_osx.cpp
 // Purpose:     wxListBox
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01
-// RCS-ID:      $Id: listbox.cpp 54820 2008-07-29 20:04:11Z SC $
+// RCS-ID:      $Id$
 // Copyright:   (c) Stefan Csomor
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
@@ -24,8 +24,6 @@
     #include "wx/dcclient.h"
 #endif
 
-IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControlWithItems)
-
 BEGIN_EVENT_TABLE(wxListBox, wxControl)
 END_EVENT_TABLE()
 
@@ -73,8 +71,11 @@ bool wxListBox::Create(
     const wxValidator& validator,
     const wxString& name )
 {
+    DontCreatePeer();
     m_blockEvents = false;
-    m_macIsUserPane = false;
+
+    if ( ! (style & wxNO_BORDER) )
+        style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 
     wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
                   wxT("only a single listbox selection mode can be specified") );
@@ -87,8 +88,8 @@ bool wxListBox::Create(
     else
         m_strings.unsorted = new wxArrayString;
 
-    m_peer = wxWidgetImpl::CreateListBox( this, parent, id, pos, size, style, GetExtraStyle() );
-    
+    SetPeer(wxWidgetImpl::CreateListBox( this, parent, id, pos, size, style, GetExtraStyle() ));
+
     MacPostControlCreate( pos, size );
 
     m_textColumn = GetListPeer()->InsertTextColumn(0,wxEmptyString);
@@ -103,10 +104,12 @@ bool wxListBox::Create(
 
 wxListBox::~wxListBox()
 {
+    m_blockEvents = true;
     FreeData();
+    m_blockEvents = false;
+
     // make sure no native events get sent to a object in destruction
-    delete m_peer;
-    m_peer = NULL;
+    SetPeer(NULL);
 
     if ( IsSorted() )
         delete m_strings.sorted;
@@ -130,6 +133,11 @@ void wxListBox::FreeData()
 
 void wxListBox::DoSetFirstItem(int n)
 {
+    // osx actually only has an implementation for ensuring the visibility of a row, it does so  
+    // by scrolling the minimal amount necessary from the current scrolling position.
+    // in order to get the same behaviour I'd have to make sure first that the last line is visible, 
+    // followed by a scrollRowToVisible for the desired line 
+    GetListPeer()->ListScrollTo( GetCount()-1 );
     GetListPeer()->ListScrollTo( n );
 }
 
@@ -152,7 +160,7 @@ void wxListBox::DoDeleteOneItem(unsigned int n)
 
     GetListPeer()->ListDelete( n );
     m_blockEvents = false;
-    
+
     UpdateOldSelections();
 }
 
@@ -161,7 +169,7 @@ void wxListBox::DoClear()
     m_blockEvents = true;
     FreeData();
     m_blockEvents = false;
-    
+
     UpdateOldSelections();
 }
 
@@ -175,14 +183,14 @@ void wxListBox::DoSetSelection(int n, bool select)
         wxT("invalid index in wxListBox::SetSelection") );
 
     m_blockEvents = true;
-    
+
     if ( n == wxNOT_FOUND )
         GetListPeer()->ListDeselectAll();
     else
         GetListPeer()->ListSetSelection( n, select, HasMultipleSelection() );
-        
+
     m_blockEvents = false;
-    
+
     UpdateOldSelections();
 }
 
@@ -205,6 +213,11 @@ int wxListBox::GetSelection() const
     return GetListPeer()->ListGetSelection();
 }
 
+int wxListBox::DoListHitTest(const wxPoint& inpoint) const
+{
+    return GetListPeer()->DoListHitTest( inpoint );
+}
+
 // ----------------------------------------------------------------------------
 // display
 // ----------------------------------------------------------------------------
@@ -215,14 +228,14 @@ void wxListBox::GetValueCallback( unsigned int n, wxListWidgetColumn* col , wxLi
         value.Set( GetString( n ) );
 }
 
-void wxListBox::SetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
+void wxListBox::SetValueCallback( unsigned int WXUNUSED(n), wxListWidgetColumn* WXUNUSED(col) , wxListWidgetCellValue& WXUNUSED(value) )
 {
 }
 
 wxSize wxListBox::DoGetBestSize() const
 {
     int lbWidth = 100;  // some defaults
-    int lbHeight = 110;
+    int lbHeight;
     int wLine;
 
     {
@@ -272,11 +285,8 @@ wxListBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 
     attr.colFg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
     attr.colBg = wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX );
-#if wxOSX_USE_CARBON
-    attr.font.MacCreateFromThemeFont(kThemeViewsFont);
-#else
-    attr.font.MacCreateFromUIFont(kCTFontViewsFontType);
-#endif
+    static wxFont font = wxFont(wxOSX_SYSTEM_FONT_VIEWS);
+    attr.font = font;
 
     return attr;
 }
@@ -325,7 +335,6 @@ int wxListBox::FindString(const wxString& s, bool bCase) const
 
 void wxListBox::OnItemInserted(unsigned int WXUNUSED(pos))
 {
-
 }
 
 int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items,
@@ -353,6 +362,14 @@ int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items,
 
     GetListPeer()->UpdateLineToEnd(startpos);
 
+    // Inserting the items may scroll the listbox down to show the last
+    // selected one but we don't want to do it as it could result in e.g. the
+    // first items of a listbox be hidden immediately after its creation so
+    // show the first selected item instead. Ideal would probably be to
+    // preserve the old selection unchanged, in fact, but I don't know how to
+    // get the first visible item so for now do at least this.
+    SetFirstItem(startpos);
+
     UpdateOldSelections();
 
     return idx;
@@ -360,7 +377,7 @@ int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items,
 
 void wxListBox::SetString(unsigned int n, const wxString& s)
 {
-    wxCHECK_RET( !IsSorted(), _T("can't set string in sorted listbox") );
+    wxCHECK_RET( !IsSorted(), wxT("can't set string in sorted listbox") );
 
     if ( IsSorted() )
         (*m_strings.sorted)[n] = s;
@@ -370,4 +387,39 @@ void wxListBox::SetString(unsigned int n, const wxString& s)
     GetListPeer()->UpdateLine(n);
 }
 
+//
+// common event handling
+//
+
+void wxListBox::HandleLineEvent( unsigned int n, bool doubleClick )
+{
+    wxCommandEvent event( doubleClick ? wxEVT_LISTBOX_DCLICK :
+        wxEVT_LISTBOX, GetId() );
+    event.SetEventObject( this );
+    if ( HasClientObjectData() )
+        event.SetClientObject( GetClientObject(n) );
+    else if ( HasClientUntypedData() )
+        event.SetClientData( GetClientData(n) );
+    event.SetString( GetString(n) );
+    event.SetInt( n );
+    event.SetExtraLong( 1 );
+    HandleWindowEvent(event);
+}
+
+//
+// common list cell value operations
+//
+
+void wxListWidgetCellValue::Check( bool check )
+{
+    Set( check ? 1 : 0 );
+}
+
+bool wxListWidgetCellValue::IsChecked() const
+{
+    return GetIntValue() != 0;
+}
+
+
+
 #endif // wxUSE_LISTBOX