made wxFFile a bit more safe: don't crash when Tell() and Length() are called on...

[wxWidgets.git] / src / mac / checklst.cpp

diff --git a/src/mac/checklst.cpp b/src/mac/checklst.cpp
index 7387e3e4719c555bb3ecfe8271e469c978185811..cb7c4a818f7e007c3cff9aa62d3262f43755f188 100644 (file)
--- a/src/mac/checklst.cpp
+++ b/src/mac/checklst.cpp
@@ -1,11 +1,11 @@
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        checklst.cpp
 // Purpose:     implementation of wxCheckListBox class
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        checklst.cpp
 // Purpose:     implementation of wxCheckListBox class

-// Author:      AUTHOR
+// Author:      Stefan Csomor

 // Modified by: 
 // Modified by: 

-// Created:     ??/??/98
+// Created:     1998-01-01

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
+// Copyright:   (c) Stefan Csomor

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


@@ -17,56 +17,434 @@
 #pragma implementation "checklst.h"
 #endif
 
 #pragma implementation "checklst.h"
 #endif
 

+#include "wx/defs.h"
+
+#if wxUSE_CHECKLISTBOX
+

 #include "wx/checklst.h"
 #include "wx/checklst.h"

+#include "wx/arrstr.h"
+
+#include "wx/mac/uma.h"
+#include "Appearance.h"

 
 // ============================================================================
 
 // ============================================================================

-// implementation
+// implementation of wxCheckListBox

 // ============================================================================
 
 // ============================================================================
 

-  IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
+IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
+
+const short kwxMacListWithVerticalScrollbar = 128 ;
+const short kwxMacListItemHeight = 14 ;
+const short kwxMacListCheckboxWidth = 14 ;
+
+#if PRAGMA_STRUCT_ALIGN
+    #pragma options align=mac68k
+#elif PRAGMA_STRUCT_PACKPUSH
+    #pragma pack(push, 2)
+#elif PRAGMA_STRUCT_PACK
+    #pragma pack(2)
+#endif
+
+typedef struct {
+ unsigned short instruction;
+ void (*function)();
+} ldefRec, *ldefPtr, **ldefHandle;
+
+#if PRAGMA_STRUCT_ALIGN
+    #pragma options align=reset
+#elif PRAGMA_STRUCT_PACKPUSH
+    #pragma pack(pop)
+#elif PRAGMA_STRUCT_PACK
+    #pragma pack()
+#endif
+
+extern "C"
+{
+static pascal void wxMacCheckListDefinition( short message, Boolean isSelected, Rect *drawRect,
+                                     Cell cell, short dataOffset, short dataLength,
+                                     ListHandle listHandle ) ;
+}
+
+static pascal void wxMacCheckListDefinition( short message, Boolean isSelected, Rect *drawRect,
+                                     Cell cell, short dataOffset, short dataLength,
+                                     ListHandle listHandle )
+{
+    GrafPtr savePort;
+    GrafPtr grafPtr;
+    RgnHandle savedClipRegion;
+    SInt32 savedPenMode;
+    wxCheckListBox*          list;
+    GetPort(&savePort);
+    SetPort((**listHandle).port);
+    grafPtr = (**listHandle).port ;
+    // typecast our refCon
+    list = (wxCheckListBox*) GetControlReference( (ControlHandle) GetListRefCon(listHandle) );
+    
+    //  Calculate the cell rect.
+    
+    switch( message ) {
+        case lInitMsg:
+            break;
+
+        case lCloseMsg:
+            break;
+
+        case lDrawMsg:
+        {
+            const wxString text = list->m_stringArray[cell.v] ;
+            int checked = list->m_checks[cell.v] ;
+
+            //  Save the current clip region, and set the clip region to the area we are about
+            //  to draw.
+            
+            savedClipRegion = NewRgn();
+            GetClip( savedClipRegion );
+
+            ClipRect( drawRect );
+            EraseRect( drawRect );
+            
+            const wxFont& font = list->GetFont();
+            if ( font.Ok() )
+            {
+                ::TextFont( font.GetMacFontNum() ) ;
+                ::TextSize( font.GetMacFontSize())  ;
+                ::TextFace( font.GetMacFontStyle() ) ;
+            }
+                       
+            ThemeButtonDrawInfo info ;
+            info.state = kThemeStateActive ;
+            info.value = checked ? kThemeButtonOn : kThemeButtonOff ;
+            info.adornment = kThemeAdornmentNone ;
+            Rect checkRect = *drawRect ;
+                        
+            
+            checkRect.left +=0 ;
+            checkRect.top +=0 ;
+            checkRect.right = checkRect.left + list->m_checkBoxWidth ;
+            checkRect.bottom = checkRect.top + list->m_checkBoxHeight ;
+            DrawThemeButton(&checkRect,kThemeCheckBox,
+                &info,NULL,NULL, NULL,0);
+            
+            MoveTo(drawRect->left + 2 + list->m_checkBoxWidth+2, drawRect->top + list->m_TextBaseLineOffset );
+            
+            DrawText(text, 0 , text.Length());
+            //  If the cell is hilited, do the hilite now. Paint the cell contents with the
+            //  appropriate QuickDraw transform mode.
+            
+            if( isSelected ) {
+                savedPenMode = GetPortPenMode( (CGrafPtr) grafPtr );
+                SetPortPenMode( (CGrafPtr) grafPtr, hilitetransfermode );
+                PaintRect( drawRect );
+                SetPortPenMode( (CGrafPtr) grafPtr, savedPenMode );
+            }
+            
+            //  Restore the saved clip region.
+            
+            SetClip( savedClipRegion );
+            DisposeRgn( savedClipRegion );
+        }
+        break;
+        case lHiliteMsg:
+            
+            //  Hilite or unhilite the cell. Paint the cell contents with the
+            //  appropriate QuickDraw transform mode.
+            
+            GetPort( &grafPtr );
+            savedPenMode = GetPortPenMode( (CGrafPtr) grafPtr );
+            SetPortPenMode( (CGrafPtr) grafPtr, hilitetransfermode );
+            PaintRect( drawRect );
+            SetPortPenMode( (CGrafPtr) grafPtr, savedPenMode );
+            break;
+        default :
+          break ;
+    }
+    SetPort(savePort);  
+}
+
+extern "C" void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon) ;
+
+static ListDefUPP macCheckListDefUPP = NULL ;

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

-// implementation of wxCheckListBox class
+// creation

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

-// define event table
-// ------------------
-BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
-END_EVENT_TABLE()
+void wxCheckListBox::Init()
+{
+}
+
+bool wxCheckListBox::Create(wxWindow *parent,
+                            wxWindowID id,
+                            const wxPoint &pos,
+                            const wxSize &size,
+                            const wxArrayString& choices,
+                            long style,
+                            const wxValidator& validator,
+                            const wxString &name)
+{
+    wxCArrayString chs(choices);
+
+    return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+                  style, validator, name);
+}
+
+bool wxCheckListBox::Create(wxWindow *parent,
+                            wxWindowID id,
+                            const wxPoint &pos,
+                            const wxSize &size,
+                            int n,
+                            const wxString choices[],
+                            long style,
+                            const wxValidator& validator,
+                            const wxString &name)
+{
+    if ( !wxCheckListBoxBase::Create(parent, id, pos, size,
+                                     n, choices, style, validator, name) )
+        return false;
+
+    m_noItems = 0 ; // this will be increased by our append command
+    m_selected = 0;
+    
+    m_checkBoxWidth = 12;
+    m_checkBoxHeight= 10;
+    
+    long h = m_checkBoxHeight ;
+#if TARGET_CARBON
+    GetThemeMetric(kThemeMetricCheckBoxWidth,(long *)&m_checkBoxWidth);    
+    GetThemeMetric(kThemeMetricCheckBoxHeight,&h);
+#endif
+
+    const wxFont& font = GetFont();
+
+    FontInfo finfo;
+    FetchFontInfo(font.GetMacFontNum(),font.GetMacFontSize(),font.GetMacFontStyle(),&finfo);
+    
+    m_TextBaseLineOffset= finfo.leading+finfo.ascent;
+    m_checkBoxHeight= finfo.leading+finfo.ascent+finfo.descent;
+    
+    if (m_checkBoxHeight<h)
+    {
+        m_TextBaseLineOffset+= (h-m_checkBoxHeight)/2;
+        m_checkBoxHeight= h;
+    }
+        
+    Rect bounds ;
+    Str255 title ;
+    
+    MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style, validator , name , &bounds , title ) ;
+
+    ListDefSpec listDef;
+    listDef.defType = kListDefUserProcType;
+    if ( macCheckListDefUPP == NULL )
+    {
+      macCheckListDefUPP = NewListDefUPP( wxMacCheckListDefinition ); 
+    }
+        listDef.u.userProc = macCheckListDefUPP ;
+
+#if TARGET_CARBON
+    Size asize;
+
+
+    CreateListBoxControl( MAC_WXHWND(parent->MacGetRootWindow()), &bounds, false, 0, 1, false, true,
+                          m_checkBoxHeight+2, 14, false, &listDef, (ControlRef *)&m_macControl );
+
+    GetControlData( (ControlHandle) m_macControl, kControlNoPart, kControlListBoxListHandleTag,
+                   sizeof(ListHandle), (Ptr) &m_macList, &asize);

 
 

-// control creation
-// ----------------
+    SetControlReference( (ControlHandle) m_macControl, (long) this);
+    SetControlVisibility( (ControlHandle) m_macControl, false, false);

 
 

-// def ctor: use Create() to really create the control
-wxCheckListBox::wxCheckListBox() : wxListBox()
+#else
+
+    long    result ;
+
+    wxStAppResource resload ;
+    m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false ,
+                  kwxMacListWithVerticalScrollbar , 0 , 0, 
+                  kControlListBoxProc , (long) this ) ;
+    ::GetControlData( (ControlHandle) m_macControl , kControlNoPart , kControlListBoxListHandleTag ,
+               sizeof( ListHandle ) , (char*) &m_macList  , &result ) ;
+
+    HLock( (Handle) m_macList ) ;
+    ldefHandle ldef ;
+    ldef = (ldefHandle) NewHandle( sizeof(ldefRec) ) ;
+    if (  (**(ListHandle)m_macList).listDefProc != NULL )
+    {
+      (**ldef).instruction = 0x4EF9;  /* JMP instruction */
+      (**ldef).function = (void(*)()) listDef.u.userProc;
+      (**(ListHandle)m_macList).listDefProc = (Handle) ldef ;
+    }
+        
+    Point pt = (**(ListHandle)m_macList).cellSize ;
+    pt.v = 14 ;
+    LCellSize( pt , (ListHandle)m_macList ) ;
+    LAddColumn( 1 , 0 , (ListHandle)m_macList ) ;
+#endif
+    OptionBits  options = 0;
+    if ( style & wxLB_MULTIPLE )
+    {
+        options += lNoExtend ;
+    }
+    else if ( style & wxLB_EXTENDED )
+    {
+        options += lExtendDrag ;
+    }
+    else
+    {
+        options = (OptionBits) lOnlyOne ;
+    }
+    SetListSelectionFlags((ListHandle)m_macList, options);
+    
+    MacPostControlCreate() ;
+    
+    for ( int i = 0 ; i < n ; i++ )
+    {
+        Append( choices[i] ) ;
+    }
+    
+    LSetDrawingMode( true , (ListHandle) m_macList ) ;
+
+    return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// wxCheckListBox functions
+// ----------------------------------------------------------------------------
+
+bool wxCheckListBox::IsChecked(size_t item) const
+{
+    wxCHECK_MSG( item < m_checks.GetCount(), FALSE,
+                 _T("invalid index in wxCheckListBox::IsChecked") );
+
+    return m_checks[item] != 0;
+}
+
+void wxCheckListBox::Check(size_t item, bool check)
+{
+    wxCHECK_RET( item < m_checks.GetCount(),
+                 _T("invalid index in wxCheckListBox::Check") );
+
+    // intermediate var is needed to avoid compiler warning with VC++
+    bool isChecked = m_checks[item] != 0;
+    if ( check != isChecked )
+    {
+        m_checks[item] = check;
+
+        MacRedrawControl() ;
+    }
+}
+
+// ----------------------------------------------------------------------------
+// methods forwarded to wxListBox
+// ----------------------------------------------------------------------------
+
+void wxCheckListBox::Delete(int n)
+{
+    wxCHECK_RET( n < GetCount(), _T("invalid index in wxListBox::Delete") );
+
+    wxListBox::Delete(n);
+
+    m_checks.RemoveAt(n);
+}
+
+int wxCheckListBox::DoAppend(const wxString& item)

 {
 {

+    LSetDrawingMode( false , (ListHandle) m_macList ) ;
+    int pos = wxListBox::DoAppend(item);
+
+    // the item is initially unchecked
+    m_checks.Insert(FALSE, pos);
+    LSetDrawingMode( true , (ListHandle) m_macList ) ;
+
+    return pos;

 }
 
 }
 

-// ctor which creates the associated control
-wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
-                               const wxPoint& pos, const wxSize& size,
-                               int nStrings, const wxString choices[],
-                               long style, const wxValidator& val,
-                               const wxString& name)
-              : wxListBox()
+void wxCheckListBox::DoInsertItems(const wxArrayString& items, int pos)

 {
 {

-    // TODO: you'll probably need a separate Create instead of using
-    // the wxListBox one as here.
-    Create(parent, id, pos, size, nStrings, choices, style|wxLB_OWNERDRAW, val, name);
+    wxListBox::DoInsertItems(items, pos);
+
+    size_t count = items.GetCount();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        m_checks.Insert(FALSE, pos + n);
+    }

 }
 
 }
 

-// check items
-// -----------
+void wxCheckListBox::DoSetItems(const wxArrayString& items, void **clientData)
+{
+    // call it first as it does DoClear()
+    wxListBox::DoSetItems(items, clientData);
+
+    size_t count = items.GetCount();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        m_checks.Add(FALSE);
+    }
+}

 
 

-bool wxCheckListBox::IsChecked(size_t uiIndex) const
+void wxCheckListBox::DoClear()

 {
 {

-    // TODO
-    return FALSE;
+    m_checks.Empty();

 }
 
 }
 

-void wxCheckListBox::Check(size_t uiIndex, bool bCheck)
+BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
+  EVT_CHAR(wxCheckListBox::OnChar)
+  EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick)
+END_EVENT_TABLE()
+
+// this will only work as soon as 
+
+void wxCheckListBox::OnChar(wxKeyEvent& event)

 {
 {

-    // TODO
+    if ( event.GetKeyCode() == WXK_SPACE )
+    {
+        int index = GetSelection() ;
+        if ( index >= 0 )
+        {
+            Check(index, !IsChecked(index) ) ;
+            wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId());
+            event.SetInt(index);
+            event.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(event);
+        }
+    }
+    else
+        event.Skip();

 }
 
 }
 

+void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
+{
+    // clicking on the item selects it, clicking on the checkmark toggles
+    if ( event.GetX() <= 20 /*check width*/ ) {
+        int lineheight ;
+        int topcell ;
+#if TARGET_CARBON
+        Point pt ;
+        GetListCellSize( (ListHandle)m_macList , &pt ) ;
+        lineheight = pt.v ;
+        ListBounds visible ;
+        GetListVisibleCells( (ListHandle)m_macList , &visible ) ;
+        topcell = visible.top ;
+#else
+        lineheight =  (**(ListHandle)m_macList).cellSize.v ;
+        topcell = (**(ListHandle)m_macList).visible.top ;
+#endif
+        size_t nItem = ((size_t)event.GetY()) / lineheight + topcell ;
+        
+        if ( nItem < (size_t)m_noItems )
+        {
+            Check(nItem, !IsChecked(nItem) ) ;
+            wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId());
+            event.SetInt(nItem);
+            event.SetEventObject(this);
+            GetEventHandler()->ProcessEvent(event);
+        }
+        //else: it's not an error, just click outside of client zone
+    }
+    else {
+        // implement default behaviour: clicking on the item selects it
+        event.Skip();
+    }
+}

 
 

+#endif // wxUSE_CHECKLISTBOX