remove always-true test of unsigned >= 0

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

diff --git a/src/common/radiocmn.cpp b/src/common/radiocmn.cpp
index 66254736c6b246ab766cc5a81b19b13a9c9faf65..538281a0eda2ad32ac898ed943beb6e6d89ddf10 100644 (file)
--- a/src/common/radiocmn.cpp
+++ b/src/common/radiocmn.cpp
@@ -6,7 +6,7 @@
 // Created:     03.06.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     03.06.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// License:     wxWindows licence
+// Licence:     wxWindows licence

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


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

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "radioboxbase.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"
 


@@ -34,105 +30,344 @@
     #include "wx/radiobox.h"
 #endif //WX_PRECOMP
 
     #include "wx/radiobox.h"
 #endif //WX_PRECOMP
 

+#if wxUSE_TOOLTIPS
+    #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_HELP
+    #include "wx/cshelp.h"
+#endif
+
+extern WXDLLEXPORT_DATA(const char) wxRadioBoxNameStr[] = "radioBox";
+

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

+// ----------------------------------------------------------------------------
+// XTI
+// ----------------------------------------------------------------------------
+
+// TODO: wxCONSTRUCTOR
+#if 0 // wxUSE_EXTENDED_RTTI
+wxDEFINE_FLAGS( wxRadioBoxStyle )
+
+wxBEGIN_FLAGS( wxRadioBoxStyle )
+// 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(wxRA_SPECIFY_COLS)
+wxFLAGS_MEMBER(wxRA_HORIZONTAL)
+wxFLAGS_MEMBER(wxRA_SPECIFY_ROWS)
+wxFLAGS_MEMBER(wxRA_VERTICAL)
+
+wxEND_FLAGS( wxRadioBoxStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxRadioBox, wxControl,"wx/radiobox.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxRadioBox)
+wxEVENT_PROPERTY( Select , wxEVT_COMMAND_RADIOBOX_SELECTED , wxCommandEvent )
+wxPROPERTY_FLAGS( WindowStyle , wxRadioBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+/*
+ selection
+ content
+ label
+ dimension
+ item
+ */
+
+#endif
+
+
+// ----------------------------------------------------------------------------
+// wxRadioBoxBase
+// ----------------------------------------------------------------------------
+
+void wxRadioBoxBase::SetMajorDim(unsigned int majorDim, long style)
+{
+    wxCHECK_RET( majorDim != 0, wxT("major radiobox dimension can't be 0") );
+
+    m_majorDim = majorDim;
+
+    int minorDim = (GetCount() + m_majorDim - 1) / m_majorDim;
+
+    if ( style & wxRA_SPECIFY_COLS )
+    {
+        m_numCols = majorDim;
+        m_numRows = minorDim;
+    }
+    else // wxRA_SPECIFY_ROWS
+    {
+        m_numCols = minorDim;
+        m_numRows = majorDim;
+    }
+}
+

 int wxRadioBoxBase::GetNextItem(int item, wxDirection dir, long style) const
 {
 int wxRadioBoxBase::GetNextItem(int item, wxDirection dir, long style) const
 {

+    const int itemStart = item;
+

     int count = GetCount(),
         numCols = GetColumnCount(),
         numRows = GetRowCount();
 
     bool horz = (style & wxRA_SPECIFY_COLS) != 0;
 
     int count = GetCount(),
         numCols = GetColumnCount(),
         numRows = GetRowCount();
 
     bool horz = (style & wxRA_SPECIFY_COLS) != 0;
 

-    switch ( dir )
+    do

     {
     {

-        case wxUP:
-            if ( horz )
-            {
-                item -= numCols;
-            }
-            else // vertical layout
-            {
-                if ( !item-- )
-                    item = count - 1;
-            }
-            break;
+        switch ( dir )
+        {
+            case wxUP:
+                if ( horz )
+                {
+                    item -= numCols;
+                }
+                else // vertical layout
+                {
+                    if ( !item-- )
+                        item = count - 1;
+                }
+                break;

 
 

-        case wxLEFT:
-            if ( horz )
-            {
-                if ( !item-- )
-                    item = count - 1;
-            }
-            else // vertical layout
-            {
-                item -= numRows;
-            }
-            break;
+            case wxLEFT:
+                if ( horz )
+                {
+                    if ( !item-- )
+                        item = count - 1;
+                }
+                else // vertical layout
+                {
+                    item -= numRows;
+                }
+                break;

 
 

-        case wxDOWN:
-            if ( horz )
-            {
-                item += numCols;
-            }
-            else // vertical layout
-            {
-                if ( ++item == count )
-                    item = 0;
-            }
-            break;
+            case wxDOWN:
+                if ( horz )
+                {
+                    item += numCols;
+                }
+                else // vertical layout
+                {
+                    if ( ++item == count )
+                        item = 0;
+                }
+                break;

 
 

-        case wxRIGHT:
-            if ( horz )
-            {
-                if ( ++item == count )
-                    item = 0;
-            }
-            else // vertical layout
-            {
-                item += numRows;
-            }
-            break;
+            case wxRIGHT:
+                if ( horz )
+                {
+                    if ( ++item == count )
+                        item = 0;
+                }
+                else // vertical layout
+                {
+                    item += numRows;
+                }
+                break;

 
 

-        default:
-            wxFAIL_MSG( _T("unexpected wxDirection value") );
-            return wxNOT_FOUND;
+            default:
+                wxFAIL_MSG( wxT("unexpected wxDirection value") );
+                return wxNOT_FOUND;
+        }
+
+        // ensure that the item is in range [0..count)
+        if ( item < 0 )
+        {
+            // first map the item to the one in the same column but in the last
+            // row
+            item += count;
+
+            // now there are 2 cases: either it is the first item of the last
+            // row in which case we need to wrap again and get to the last item
+            // or we can just go to the previous item
+            if ( item % (horz ? numCols : numRows) )
+                item--;
+            else
+                item = count - 1;
+        }
+        else if ( item >= count )
+        {
+            // same logic as above
+            item -= count;
+
+            // ... except that we need to check if this is not the last item,
+            // not the first one
+            if ( (item + 1) % (horz ? numCols : numRows) )
+                item++;
+            else
+                item = 0;
+        }
+
+        wxASSERT_MSG( item < count && item >= 0,
+                      wxT("logic error in wxRadioBox::GetNextItem()") );

     }
     }

+    // we shouldn't select the non-active items, continue looking for a
+    // visible and shown one unless we came back to the item we started from in
+    // which case bail out to avoid infinite loop
+    while ( !(IsItemShown(item) && IsItemEnabled(item)) && item != itemStart );
+
+    return item;
+}
+
+#if wxUSE_TOOLTIPS

 
 

-    // ensure that the item is in range [0..count)
-    if ( item < 0 )
+void wxRadioBoxBase::SetItemToolTip(unsigned int item, const wxString& text)
+{
+    wxASSERT_MSG( item < GetCount(), wxT("Invalid item index") );
+
+    // extend the array to have entries for all our items on first use
+    if ( !m_itemsTooltips )
+    {
+        m_itemsTooltips = new wxToolTipArray;
+        m_itemsTooltips->resize(GetCount());
+    }
+
+    wxToolTip *tooltip = (*m_itemsTooltips)[item];
+
+    bool changed = true;
+    if ( text.empty() )

     {
     {

-        // first map the item to the one in the same column but in the last row
-        item += count;
-
-        // now there are 2 cases: either it is the first item of the last row
-        // in which case we need to wrap again and get to the last item or we
-        // can just go to the previous item
-        if ( item % (horz ? numCols : numRows) )
-            item--;
-        else
-            item = count - 1;
+        if ( tooltip )
+        {
+            // delete the tooltip
+            wxDELETE(tooltip);
+        }
+        else // nothing to do
+        {
+            changed = false;
+        }

     }
     }

-    else if ( item >= count )
+    else // non empty tooltip text

     {
     {

-        // same logic as above
-        item -= count;
-
-        // ... except that we need to check if this is not the last item, not
-        // the first one
-        if ( (item + 1) % (horz ? numCols : numRows) )
-            item++;
-        else
-            item = 0;
+        if ( tooltip )
+        {
+            // just change the existing tooltip text, don't change the tooltip
+            tooltip->SetTip(text);
+            changed = false;
+        }
+        else // no tooltip yet
+        {
+            // create the new one
+            tooltip = new wxToolTip(text);
+        }

     }
 
     }
 

-    wxASSERT_MSG( item < count && item >= 0,
-                  _T("logic error in wxRadioBox::GetNextItem()") );
+    if ( changed )
+    {
+        (*m_itemsTooltips)[item] = tooltip;
+        DoSetItemToolTip(item, tooltip);
+    }
+}

 
 

-    return item;
+void
+wxRadioBoxBase::DoSetItemToolTip(unsigned int WXUNUSED(item),
+                                 wxToolTip * WXUNUSED(tooltip))
+{
+    // per-item tooltips not implemented by default

 }
 
 }
 

-#endif // wxUSE_RADIOBOX
+#endif // wxUSE_TOOLTIPS
+
+wxRadioBoxBase::~wxRadioBoxBase()
+{
+#if wxUSE_TOOLTIPS
+    if ( m_itemsTooltips )
+    {
+        const size_t n = m_itemsTooltips->size();
+        for ( size_t i = 0; i < n; i++ )
+            delete (*m_itemsTooltips)[i];
+
+        delete m_itemsTooltips;
+    }
+#endif // wxUSE_TOOLTIPS
+}
+
+#if wxUSE_HELP
+
+// set helptext for a particular item
+void wxRadioBoxBase::SetItemHelpText(unsigned int n, const wxString& helpText)
+{
+    wxCHECK_RET( n < GetCount(), wxT("Invalid item index") );
+
+    if ( m_itemsHelpTexts.empty() )
+    {
+        // once-only initialization of the array: reserve space for all items
+        m_itemsHelpTexts.Add(wxEmptyString, GetCount());
+    }

 
 

+    m_itemsHelpTexts[n] = helpText;
+}
+
+// retrieve helptext for a particular item
+wxString wxRadioBoxBase::GetItemHelpText( unsigned int n ) const
+{
+    wxCHECK_MSG( n < GetCount(), wxEmptyString, wxT("Invalid item index") );
+
+    return m_itemsHelpTexts.empty() ? wxString() : m_itemsHelpTexts[n];
+}
+
+// return help text for the item for which wxEVT_HELP was generated.
+wxString wxRadioBoxBase::DoGetHelpTextAtPoint(const wxWindow *derived,
+                                              const wxPoint& pt,
+                                              wxHelpEvent::Origin origin) const
+{
+    int item;
+    switch ( origin )
+    {
+        case wxHelpEvent::Origin_HelpButton:
+            item = GetItemFromPoint(pt);
+            break;
+
+        case wxHelpEvent::Origin_Keyboard:
+            item = GetSelection();
+            break;
+
+        default:
+            wxFAIL_MSG( "unknown help even origin" );
+            // fall through
+
+        case wxHelpEvent::Origin_Unknown:
+            // this value is used when we're called from GetHelpText() for the
+            // radio box itself, so don't return item-specific text in this case
+            item = wxNOT_FOUND;
+    }
+
+    if ( item != wxNOT_FOUND )
+    {
+        wxString text = GetItemHelpText(static_cast<unsigned int>(item));
+        if( !text.empty() )
+            return text;
+    }
+
+    return derived->wxWindowBase::GetHelpTextAtPoint(pt, origin);
+}
+
+#endif // wxUSE_HELP
+
+#endif // wxUSE_RADIOBOX