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[wxWidgets.git] / src / gtk / statbox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/gtk/statbox.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_STATBOX

#include "wx/statbox.h"

#include <gtk/gtk.h>
#include "wx/gtk/private/gtk2-compat.h"
#include "wx/gtk/private/win_gtk.h"

// constants taken from GTK sources
#define LABEL_PAD 1
#define LABEL_SIDE_PAD 2

//-----------------------------------------------------------------------------
// "size_allocate" from m_widget
//-----------------------------------------------------------------------------

#ifndef __WXGTK3__
extern "C" {
static void size_allocate(GtkWidget* widget, GtkAllocation* alloc, void*)
{
    // clip label as GTK >= 2.12 does
    GtkWidget* label_widget = gtk_frame_get_label_widget(GTK_FRAME(widget));
    int w = alloc->width -
        2 * gtk_widget_get_style(widget)->xthickness - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD;
    if (w < 0)
        w = 0;

    GtkAllocation a;
    gtk_widget_get_allocation(label_widget, &a);
    if (a.width > w)
    {
        a.width = w;
        gtk_widget_size_allocate(label_widget, &a);
    }
}
}
#endif

//-----------------------------------------------------------------------------
// wxStaticBox
//-----------------------------------------------------------------------------

wxStaticBox::wxStaticBox()
{
}

wxStaticBox::wxStaticBox( wxWindow *parent,
                          wxWindowID id,
                          const wxString &label,
                          const wxPoint& pos,
                          const wxSize& size,
                          long style,
                          const wxString& name )
{
    Create( parent, id, label, pos, size, style, name );
}

bool wxStaticBox::Create( wxWindow *parent,
                          wxWindowID id,
                          const wxString& label,
                          const wxPoint& pos,
                          const wxSize& size,
                          long style,
                          const wxString& name )
{
    if (!PreCreation( parent, pos, size ) ||
        !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
    {
        wxFAIL_MSG( wxT("wxStaticBox creation failed") );
        return false;
    }

    m_widget = GTKCreateFrame(label);
    g_object_ref(m_widget);

    // only base SetLabel needs to be called after GTKCreateFrame
    wxControl::SetLabel(label);

    m_parent->DoAddChild( this );

    PostCreation(size);

    // need to set non default alignment?
    gfloat xalign = 0;
    if ( style & wxALIGN_CENTER )
        xalign = 0.5;
    else if ( style & wxALIGN_RIGHT )
        xalign = 1.0;

    gtk_frame_set_label_align(GTK_FRAME(m_widget), xalign, 0.5);

#ifndef __WXGTK3__
    if (gtk_check_version(2, 12, 0))
    {
        // we connect this signal to perform label-clipping as GTK >= 2.12 does
        g_signal_connect(m_widget, "size_allocate", G_CALLBACK(size_allocate), NULL);
    }
#endif

    return true;
}

void wxStaticBox::AddChild( wxWindowBase *child )
{
    if (!m_wxwindow)
    {
        // make this window a container of other wxWindows by instancing a wxPizza
        // and packing it into the GtkFrame:
        m_wxwindow = wxPizza::New();
        gtk_widget_show( m_wxwindow );
        gtk_container_add( GTK_CONTAINER (m_widget), m_wxwindow );
    }

    wxWindow::AddChild( child );
}

void wxStaticBox::SetLabel( const wxString& label )
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid staticbox") );

    GTKSetLabelForFrame(GTK_FRAME(m_widget), label);
}

void wxStaticBox::DoApplyWidgetStyle(GtkRcStyle *style)
{
    GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style);
}

bool wxStaticBox::GTKWidgetNeedsMnemonic() const
{
    return true;
}

void wxStaticBox::GTKWidgetDoSetMnemonic(GtkWidget* w)
{
    GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w);
}

// static
wxVisualAttributes
wxStaticBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
    return GetDefaultAttributesFromGTKWidget(gtk_frame_new(""));
}


void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
{
    *borderTop = GetCharHeight();
    *borderOther = GetCharWidth()/2;
}

#endif // wxUSE_STATBOX