wxWidgets/src/gtk1/gauge.cpp

126 lines
3.0 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: src/gtk1/gauge.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_GAUGE
#include "wx/gauge.h"
#include <gtk/gtk.h>
//-----------------------------------------------------------------------------
// wxGauge
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxGauge, wxControl)
bool wxGauge::Create( wxWindow *parent,
wxWindowID id,
int range,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator& validator,
const wxString& name )
{
m_needParent = true;
if (!PreCreation( parent, pos, size ) ||
!CreateBase( parent, id, pos, size, style, validator, name ))
{
wxFAIL_MSG( wxT("wxGauge creation failed") );
return false;
}
m_rangeMax = range;
m_widget = gtk_progress_bar_new();
if ( style & wxGA_VERTICAL )
{
gtk_progress_bar_set_orientation( GTK_PROGRESS_BAR(m_widget),
GTK_PROGRESS_BOTTOM_TO_TOP );
}
m_parent->DoAddChild( this );
PostCreation(size);
SetBestSize(size);
return true;
}
void wxGauge::DoSetGauge()
{
wxASSERT_MSG( 0 <= m_gaugePos && m_gaugePos <= m_rangeMax,
_T("invalid gauge position in DoSetGauge()") );
gtk_progress_bar_update( GTK_PROGRESS_BAR(m_widget),
m_rangeMax ? ((float)m_gaugePos)/m_rangeMax : 0.);
}
wxSize wxGauge::DoGetBestSize() const
{
wxSize best;
if (HasFlag(wxGA_VERTICAL))
best = wxSize(28, 100);
else
best = wxSize(100, 28);
CacheBestSize(best);
return best;
}
void wxGauge::SetRange( int range )
{
m_rangeMax = range;
if (m_gaugePos > m_rangeMax)
m_gaugePos = m_rangeMax;
DoSetGauge();
}
void wxGauge::SetValue( int pos )
{
wxCHECK_RET( pos <= m_rangeMax, _T("invalid value in wxGauge::SetValue()") );
m_gaugePos = pos;
DoSetGauge();
}
int wxGauge::GetRange() const
{
return m_rangeMax;
}
int wxGauge::GetValue() const
{
return m_gaugePos;
}
wxVisualAttributes wxGauge::GetDefaultAttributes() const
{
// Visible gauge colours use a different colour state
return GetDefaultAttributesFromGTKWidget(m_widget,
UseGTKStyleBase(),
GTK_STATE_ACTIVE);
}
// static
wxVisualAttributes
wxGauge::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
return GetDefaultAttributesFromGTKWidget(gtk_progress_bar_new,
false, GTK_STATE_ACTIVE);
}
#endif // wxUSE_GAUGE