// Author: Vadim Zeitlin
// Modified by: Francesco Montorsi
// Created: 14.10.01
-// RCS-ID: $Id$
// Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// License: wxWindows licence
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
const char wxStatusBarNameStr[] = "statusBar";
+// ============================================================================
+// wxStatusBarPane implementation
+// ============================================================================
+
+bool wxStatusBarPane::SetText(const wxString& text)
+{
+ if ( text == m_text )
+ return false;
+
+ /*
+ If we have a message to restore on the stack, we update it to
+ correspond to the current one so that a sequence of calls such as
+
+ 1. SetStatusText("foo")
+ 2. PushStatusText("bar")
+ 3. SetStatusText("new foo")
+ 4. PopStatusText()
+
+ doesn't overwrite the "new foo" which should be shown at the end with
+ the old value "foo". This would be unexpected and hard to avoid,
+ especially when PushStatusText() is used internally by wxWidgets
+ without knowledge of the user program, as it is for showing the menu
+ and toolbar help strings.
+
+ By updating the top of the stack we ensure that the next call to
+ PopStatusText() basically becomes a NOP without breaking the balance
+ between the calls to push and pop as we would have done if we really
+ called PopStatusText() here.
+ */
+ if ( !m_arrStack.empty() )
+ {
+ m_arrStack.back() = text;
+ }
+
+ m_text = text;
+
+ return true;
+}
+
+bool wxStatusBarPane::PushText(const wxString& text)
+{
+ // save the currently shown text
+ m_arrStack.push_back(m_text);
+
+ // and update the new one if necessary
+ if ( text == m_text )
+ return false;
+
+ m_text = text;
+
+ return true;
+}
+
+bool wxStatusBarPane::PopText()
+{
+ wxCHECK_MSG( !m_arrStack.empty(), false, "no status message to pop" );
+
+ const wxString text = m_arrStack.back();
+
+ m_arrStack.pop_back();
+
+ if ( text == m_text )
+ return false;
+
+ m_text = text;
+
+ return true;
+}
// ============================================================================
// wxStatusBarBase implementation
IMPLEMENT_DYNAMIC_CLASS(wxStatusBar, wxWindow)
-#include <wx/arrimpl.cpp> // This is a magic incantation which must be done!
-WX_DEFINE_OBJARRAY(wxStatusBarPaneArray);
+#include "wx/arrimpl.cpp" // This is a magic incantation which must be done!
+WX_DEFINE_EXPORTED_OBJARRAY(wxStatusBarPaneArray)
// ----------------------------------------------------------------------------
{
// notify the frame that it doesn't have a status bar any longer to avoid
// dangling pointers
- wxFrame *frame = dynamic_cast<wxFrame*>(GetParent());
+ wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
if ( frame && frame->GetStatusBar() == this )
frame->SetStatusBar(NULL);
}
void wxStatusBarBase::SetFieldsCount(int number, const int *widths)
{
- wxCHECK_RET( number > 0, _T("invalid field number in SetFieldsCount") );
-
- bool refresh = false;
+ wxCHECK_RET( number > 0, wxT("invalid field number in SetFieldsCount") );
if ( (size_t)number > m_panes.GetCount() )
{
m_panes.RemoveAt(number, m_panes.GetCount()-number);
}
- refresh = true;
-
- if ( widths )
- {
- SetStatusWidths(number, widths);
-
- // already done from SetStatusWidths()
- refresh = false;
- }
-
- if ( refresh )
- Refresh();
+ // SetStatusWidths will automatically refresh
+ SetStatusWidths(number, widths);
}
void wxStatusBarBase::SetStatusWidths(int WXUNUSED_UNLESS_DEBUG(n),
- const int widths[])
+ const int widths[])
{
- wxCHECK_RET( widths, _T("NULL pointer in SetStatusWidths") );
+ wxASSERT_MSG( (size_t)n == m_panes.GetCount(), wxT("field number mismatch") );
- wxASSERT_MSG( (size_t)n == m_panes.GetCount(), _T("field number mismatch") );
-
- for ( size_t i = 0; i < m_panes.GetCount(); i++ )
- m_panes[i].nWidth = widths[i];
+ if (widths == NULL)
+ {
+ // special value meaning: override explicit pane widths and make them all
+ // of the same size
+ m_bSameWidthForAllPanes = true;
+ }
+ else
+ {
+ for ( size_t i = 0; i < m_panes.GetCount(); i++ )
+ m_panes[i].SetWidth(widths[i]);
- m_bSameWidthForAllPanes = false;
+ m_bSameWidthForAllPanes = false;
+ }
// update the display after the widths changed
Refresh();
}
void wxStatusBarBase::SetStatusStyles(int WXUNUSED_UNLESS_DEBUG(n),
- const int styles[])
+ const int styles[])
{
- wxCHECK_RET( styles, _T("NULL pointer in SetStatusStyles") );
+ wxCHECK_RET( styles, wxT("NULL pointer in SetStatusStyles") );
- wxASSERT_MSG( (size_t)n == m_panes.GetCount(), _T("field number mismatch") );
+ wxASSERT_MSG( (size_t)n == m_panes.GetCount(), wxT("field number mismatch") );
for ( size_t i = 0; i < m_panes.GetCount(); i++ )
- m_panes[i].nStyle = styles[i];
+ m_panes[i].SetStyle(styles[i]);
// update the display after the widths changed
Refresh();
// calculate the total width of all the fixed width fields and the
// total number of var field widths counting with multiplicity
size_t nTotalWidth = 0,
- nVarCount = 0,
- i;
+ nVarCount = 0,
+ i;
for ( i = 0; i < m_panes.GetCount(); i++ )
{
- if ( m_panes[i].nWidth >= 0 )
- nTotalWidth += m_panes[i].nWidth;
+ if ( m_panes[i].GetWidth() >= 0 )
+ nTotalWidth += m_panes[i].GetWidth();
else
- nVarCount += -m_panes[i].nWidth;
+ nVarCount += -m_panes[i].GetWidth();
}
// the amount of extra width we have per each var width field
// do fill the array
for ( i = 0; i < m_panes.GetCount(); i++ )
{
- if ( m_panes[i].nWidth >= 0 )
- widths.Add(m_panes[i].nWidth);
+ if ( m_panes[i].GetWidth() >= 0 )
+ widths.Add(m_panes[i].GetWidth());
else
{
- int nVarWidth = widthExtra > 0 ? (widthExtra * (-m_panes[i].nWidth)) / nVarCount : 0;
- nVarCount += m_panes[i].nWidth;
+ int nVarWidth = widthExtra > 0 ? (widthExtra * (-m_panes[i].GetWidth())) / nVarCount : 0;
+ nVarCount += m_panes[i].GetWidth();
widthExtra -= nVarWidth;
widths.Add(nVarWidth);
}
}
// ----------------------------------------------------------------------------
-// status text stacks
+// setting/getting status text
+// ----------------------------------------------------------------------------
+
+void wxStatusBarBase::SetStatusText(const wxString& text, int number)
+{
+ wxCHECK_RET( (unsigned)number < m_panes.size(),
+ "invalid status bar field index" );
+
+ if ( m_panes[number].SetText(text) )
+ DoUpdateStatusText(number);
+}
+
+wxString wxStatusBarBase::GetStatusText(int number) const
+{
+ wxCHECK_MSG( (unsigned)number < m_panes.size(), wxString(),
+ "invalid status bar field index" );
+
+ return m_panes[number].GetText();
+}
+
+void wxStatusBarBase::SetEllipsizedFlag(int number, bool isEllipsized)
+{
+ wxCHECK_RET( (unsigned)number < m_panes.size(),
+ "invalid status bar field index" );
+
+ m_panes[number].SetIsEllipsized(isEllipsized);
+}
+
+// ----------------------------------------------------------------------------
+// pushing/popping status text
// ----------------------------------------------------------------------------
void wxStatusBarBase::PushStatusText(const wxString& text, int number)
{
- // save current status text in the stack
- m_panes[number].arrStack.push_back(GetStatusText(number));
+ wxCHECK_RET( (unsigned)number < m_panes.size(),
+ "invalid status bar field index" );
- // update current status text
- SetStatusText(text, number);
+ if ( m_panes[number].PushText(text) )
+ DoUpdateStatusText(number);
}
void wxStatusBarBase::PopStatusText(int number)
{
- wxString text = m_panes[number].arrStack.back();
- m_panes[number].arrStack.pop_back(); // also remove it from the stack
+ wxCHECK_RET( (unsigned)number < m_panes.size(),
+ "invalid status bar field index" );
- // restore the popped status text in the pane
- SetStatusText(text, number);
+ if ( m_panes[number].PopText() )
+ DoUpdateStatusText(number);
}
#endif // wxUSE_STATUSBAR
projects / wxWidgets.git / blobdiff