///////////////////////////////////////////////////////////////////////////////
-// Name: common/statbar.cpp
+// Name: src/common/statbar.cpp
// Purpose: wxStatusBarBase implementation
// Author: Vadim Zeitlin
// Modified by:
// Created: 14.10.01
// RCS-ID: $Id$
// Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// License: wxWindows license
+// License: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "statbar.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#if wxUSE_STATUSBAR
+
+#include "wx/statusbr.h"
+
#ifndef WX_PRECOMP
- #include "wx/statusbr.h"
+ #include "wx/frame.h"
#endif //WX_PRECOMP
-#if wxUSE_STATUSBAR
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxListString)
+
+const wxChar wxStatusBarNameStr[] = wxT("statusBar");
// ============================================================================
// wxStatusBarBase implementation
m_nFields = 0;
InitWidths();
+ InitStacks();
+ InitStyles();
}
wxStatusBarBase::~wxStatusBarBase()
{
FreeWidths();
+ FreeStacks();
+ FreeStyles();
+
+ // notify the frame that it doesn't have a status bar any longer to avoid
+ // dangling pointers
+ wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
+ if ( frame && frame->GetStatusBar() == this )
+ {
+ frame->SetStatusBar(NULL);
+ }
}
// ----------------------------------------------------------------------------
delete [] m_statusWidths;
}
+// ----------------------------------------------------------------------------
+// styles array handling
+// ----------------------------------------------------------------------------
+
+void wxStatusBarBase::InitStyles()
+{
+ m_statusStyles = NULL;
+}
+
+void wxStatusBarBase::FreeStyles()
+{
+ delete [] m_statusStyles;
+}
+
// ----------------------------------------------------------------------------
// field widths
// ----------------------------------------------------------------------------
{
wxCHECK_RET( number > 0, _T("invalid field number in SetFieldsCount") );
- bool refresh = FALSE;
+ bool refresh = false;
if ( number != m_nFields )
{
+ // copy stacks if present
+ if(m_statusTextStacks)
+ {
+ wxListString **newStacks = new wxListString*[number];
+ size_t i, j, max = wxMin(number, m_nFields);
+
+ // copy old stacks
+ for(i = 0; i < max; ++i)
+ newStacks[i] = m_statusTextStacks[i];
+ // free old stacks in excess
+ for(j = i; j < (size_t)m_nFields; ++j)
+ {
+ if(m_statusTextStacks[j])
+ {
+ m_statusTextStacks[j]->Clear();
+ delete m_statusTextStacks[j];
+ }
+ }
+ // initialize new stacks to NULL
+ for(j = i; j < (size_t)number; ++j)
+ newStacks[j] = 0;
+
+ m_statusTextStacks = newStacks;
+ }
+
+ // Resize styles array
+ if (m_statusStyles)
+ {
+ int *oldStyles = m_statusStyles;
+ m_statusStyles = new int[number];
+ int i, max = wxMin(number, m_nFields);
+
+ // copy old styles
+ for (i = 0; i < max; ++i)
+ m_statusStyles[i] = oldStyles[i];
+
+ // initialize new styles to wxSB_NORMAL
+ for (i = max; i < number; ++i)
+ m_statusStyles[i] = wxSB_NORMAL;
+
+ // free old styles
+ delete [] oldStyles;
+ }
+
+
m_nFields = number;
ReinitWidths();
- refresh = TRUE;
+ refresh = true;
}
//else: keep the old m_statusWidths if we had them
SetStatusWidths(number, widths);
// already done from SetStatusWidths()
- refresh = FALSE;
+ refresh = false;
}
if ( refresh )
Refresh();
}
+void wxStatusBarBase::SetStatusStyles(int WXUNUSED_UNLESS_DEBUG(n),
+ const int styles[])
+{
+ wxCHECK_RET( styles, _T("NULL pointer in SetStatusStyles") );
+
+ wxASSERT_MSG( n == m_nFields, _T("field number mismatch") );
+
+ if ( !m_statusStyles )
+ m_statusStyles = new int[m_nFields];
+
+ for ( int i = 0; i < m_nFields; i++ )
+ {
+ m_statusStyles[i] = styles[i];
+ }
+
+ // update the display after the widths changed
+ Refresh();
+}
+
wxArrayInt wxStatusBarBase::CalculateAbsWidths(wxCoord widthTotal) const
{
wxArrayInt widths;
{
if ( m_nFields )
{
- // default: all fields have the same width
- int nWidth = widthTotal / m_nFields;
- for ( int i = 0; i < m_nFields; i++ )
+ // Default: all fields have the same width. This is not always
+ // possible to do exactly (if widthTotal is not divisible by
+ // m_nFields) - if that happens, we distribute the extra pixels
+ // among all fields:
+ int widthToUse = widthTotal;
+
+ for ( int i = m_nFields; i > 0; i-- )
{
- widths.Add(nWidth);
+ // divide the unassigned width evently between the
+ // not yet processed fields:
+ int w = widthToUse / i;
+ widths.Add(w);
+ widthToUse -= w;
}
+
}
//else: we're empty anyhow
}
}
// the amount of extra width we have per each var width field
- int nVarWidth;
- if ( nVarCount )
- {
- int widthExtra = widthTotal - nTotalWidth;
- nVarWidth = widthExtra > 0 ? widthExtra / nVarCount : 0;
- }
- else // no var width fields at all
- {
- nVarWidth = 0;
- }
+ int widthExtra = widthTotal - nTotalWidth;
// do fill the array
for ( i = 0; i < m_nFields; i++ )
}
else
{
- widths.Add(-m_statusWidths[i]*nVarWidth);
+ int nVarWidth = widthExtra > 0 ? (widthExtra * -m_statusWidths[i]) / nVarCount : 0;
+ nVarCount += m_statusWidths[i];
+ widthExtra -= nVarWidth;
+ widths.Add(nVarWidth);
}
}
}
return widths;
}
-#endif // wxUSE_STATUSBAR
+// ----------------------------------------------------------------------------
+// text stacks handling
+// ----------------------------------------------------------------------------
+
+void wxStatusBarBase::InitStacks()
+{
+ m_statusTextStacks = NULL;
+}
+
+void wxStatusBarBase::FreeStacks()
+{
+ if ( !m_statusTextStacks )
+ return;
+
+ for ( size_t i = 0; i < (size_t)m_nFields; ++i )
+ {
+ if ( m_statusTextStacks[i] )
+ {
+ wxListString& t = *m_statusTextStacks[i];
+ WX_CLEAR_LIST(wxListString, t);
+ delete m_statusTextStacks[i];
+ }
+ }
+
+ delete[] m_statusTextStacks;
+}
+
+// ----------------------------------------------------------------------------
+// text stacks
+// ----------------------------------------------------------------------------
+void wxStatusBarBase::PushStatusText(const wxString& text, int number)
+{
+ wxListString* st = GetOrCreateStatusStack(number);
+ // This long-winded way around avoids an internal compiler error
+ // in VC++ 6 with RTTI enabled
+ wxString tmp1(GetStatusText(number));
+ wxString* tmp = new wxString(tmp1);
+ st->Insert(tmp);
+ SetStatusText(text, number);
+}
+
+void wxStatusBarBase::PopStatusText(int number)
+{
+ wxListString *st = GetStatusStack(number);
+ wxCHECK_RET( st, _T("Unbalanced PushStatusText/PopStatusText") );
+ wxListString::compatibility_iterator top = st->GetFirst();
+
+ SetStatusText(*top->GetData(), number);
+ delete top->GetData();
+ st->Erase(top);
+ if(st->GetCount() == 0)
+ {
+ delete st;
+ m_statusTextStacks[number] = 0;
+ }
+}
+
+wxListString *wxStatusBarBase::GetStatusStack(int i) const
+{
+ if(!m_statusTextStacks)
+ return 0;
+ return m_statusTextStacks[i];
+}
+
+wxListString *wxStatusBarBase::GetOrCreateStatusStack(int i)
+{
+ if(!m_statusTextStacks)
+ {
+ m_statusTextStacks = new wxListString*[m_nFields];
+
+ size_t j;
+ for(j = 0; j < (size_t)m_nFields; ++j) m_statusTextStacks[j] = 0;
+ }
+
+ if(!m_statusTextStacks[i])
+ {
+ m_statusTextStacks[i] = new wxListString();
+ }
+
+ return m_statusTextStacks[i];
+}
+
+#endif // wxUSE_STATUSBAR
projects / wxWidgets.git / blobdiff