src/gtk/statbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/statbox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_STATBOX
  14
  15 #include "wx/statbox.h"
  16
  17 #include <gtk/gtk.h>
  18 #include "wx/gtk/private/gtk2-compat.h"
  19 #include "wx/gtk/private/win_gtk.h"
  20
  21 // constants taken from GTK sources
  22 #define LABEL_PAD 1
  23 #define LABEL_SIDE_PAD 2
  24
  25 //-----------------------------------------------------------------------------
  26 // "size_allocate" from m_widget
  27 //-----------------------------------------------------------------------------
  28
  29 #ifndef __WXGTK3__
  30 extern "C" {
  31 static void size_allocate(GtkWidget* widget, GtkAllocation* alloc, void*)
  32 {
  33     // clip label as GTK >= 2.12 does
  34     GtkWidget* label_widget = gtk_frame_get_label_widget(GTK_FRAME(widget));
  35     int w = alloc->width -
  36         2 * gtk_widget_get_style(widget)->xthickness - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD;
  37     if (w < 0)
  38         w = 0;
  39
  40     GtkAllocation a;
  41     gtk_widget_get_allocation(label_widget, &a);
  42     if (a.width > w)
  43     {
  44         a.width = w;
  45         gtk_widget_size_allocate(label_widget, &a);
  46     }
  47 }
  48 }
  49 #endif
  50
  51 //-----------------------------------------------------------------------------
  52 // wxStaticBox
  53 //-----------------------------------------------------------------------------
  54
  55 wxStaticBox::wxStaticBox()
  56 {
  57 }
  58
  59 wxStaticBox::wxStaticBox( wxWindow *parent,
  60                           wxWindowID id,
  61                           const wxString &label,
  62                           const wxPoint& pos,
  63                           const wxSize& size,
  64                           long style,
  65                           const wxString& name )
  66 {
  67     Create( parent, id, label, pos, size, style, name );
  68 }
  69
  70 bool wxStaticBox::Create( wxWindow *parent,
  71                           wxWindowID id,
  72                           const wxString& label,
  73                           const wxPoint& pos,
  74                           const wxSize& size,
  75                           long style,
  76                           const wxString& name )
  77 {
  78     if (!PreCreation( parent, pos, size ) ||
  79         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  80     {
  81         wxFAIL_MSG( wxT("wxStaticBox creation failed") );
  82         return false;
  83     }
  84
  85     m_widget = GTKCreateFrame(label);
  86     g_object_ref(m_widget);
  87
  88     // only base SetLabel needs to be called after GTKCreateFrame
  89     wxControl::SetLabel(label);
  90
  91     m_parent->DoAddChild( this );
  92
  93     PostCreation(size);
  94
  95     // need to set non default alignment?
  96     gfloat xalign = 0;
  97     if ( style & wxALIGN_CENTER )
  98         xalign = 0.5;
  99     else if ( style & wxALIGN_RIGHT )
 100         xalign = 1.0;
 101
 102     gtk_frame_set_label_align(GTK_FRAME(m_widget), xalign, 0.5);
 103
 104 #ifndef __WXGTK3__
 105     if (gtk_check_version(2, 12, 0))
 106     {
 107         // we connect this signal to perform label-clipping as GTK >= 2.12 does
 108         g_signal_connect(m_widget, "size_allocate", G_CALLBACK(size_allocate), NULL);
 109     }
 110 #endif
 111
 112     return true;
 113 }
 114
 115 void wxStaticBox::AddChild( wxWindowBase *child )
 116 {
 117     if (!m_wxwindow)
 118     {
 119         // make this window a container of other wxWindows by instancing a wxPizza
 120         // and packing it into the GtkFrame:
 121         m_wxwindow = wxPizza::New();
 122         gtk_widget_show( m_wxwindow );
 123         gtk_container_add( GTK_CONTAINER (m_widget), m_wxwindow );
 124     }
 125
 126     wxWindow::AddChild( child );
 127 }
 128
 129 void wxStaticBox::SetLabel( const wxString& label )
 130 {
 131     wxCHECK_RET( m_widget != NULL, wxT("invalid staticbox") );
 132
 133     GTKSetLabelForFrame(GTK_FRAME(m_widget), label);
 134 }
 135
 136 void wxStaticBox::DoApplyWidgetStyle(GtkRcStyle *style)
 137 {
 138     GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style);
 139 }
 140
 141 bool wxStaticBox::GTKWidgetNeedsMnemonic() const
 142 {
 143     return true;
 144 }
 145
 146 void wxStaticBox::GTKWidgetDoSetMnemonic(GtkWidget* w)
 147 {
 148     GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w);
 149 }
 150
 151 // static
 152 wxVisualAttributes
 153 wxStaticBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 154 {
 155     return GetDefaultAttributesFromGTKWidget(gtk_frame_new(""));
 156 }
 157
 158
 159 void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
 160 {
 161     *borderTop = GetCharHeight();
 162     *borderOther = GetCharWidth()/2;
 163 }
 164
 165 #endif // wxUSE_STATBOX