src/gtk/statbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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
  19 // constants taken from GTK sources
  20 #define LABEL_PAD 1
  21 #define LABEL_SIDE_PAD 2
  22
  23 //-----------------------------------------------------------------------------
  24 // "size_allocate" from m_widget
  25 //-----------------------------------------------------------------------------
  26
  27 extern "C" {
  28 static void size_allocate(GtkWidget* widget, GtkAllocation* alloc, void*)
  29 {
  30     // clip label as GTK >= 2.12 does
  31     GtkWidget* label_widget = gtk_frame_get_label_widget(GTK_FRAME(widget));
  32     int w = alloc->width -
  33         2 * widget->style->xthickness - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD;
  34     if (w < 0) w = 0;
  35     if (label_widget->allocation.width > w)
  36     {
  37         GtkAllocation alloc2 = label_widget->allocation;
  38         alloc2.width = w;
  39         gtk_widget_size_allocate(label_widget, &alloc2);
  40     }
  41 }
  42 }
  43
  44 //-----------------------------------------------------------------------------
  45 // wxStaticBox
  46 //-----------------------------------------------------------------------------
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl)
  49
  50 wxStaticBox::wxStaticBox()
  51 {
  52 }
  53
  54 wxStaticBox::wxStaticBox( wxWindow *parent,
  55                           wxWindowID id,
  56                           const wxString &label,
  57                           const wxPoint& pos,
  58                           const wxSize& size,
  59                           long style,
  60                           const wxString& name )
  61 {
  62     Create( parent, id, label, pos, size, style, name );
  63 }
  64
  65 bool wxStaticBox::Create( wxWindow *parent,
  66                           wxWindowID id,
  67                           const wxString& label,
  68                           const wxPoint& pos,
  69                           const wxSize& size,
  70                           long style,
  71                           const wxString& name )
  72 {
  73     if (!PreCreation( parent, pos, size ) ||
  74         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  75     {
  76         wxFAIL_MSG( wxT("wxStaticBox creation failed") );
  77         return false;
  78     }
  79
  80     m_widget = GTKCreateFrame(label);
  81     g_object_ref(m_widget);
  82     // only base SetLabel needs to be called after GTKCreateFrame
  83     wxControl::SetLabel(label);
  84
  85     m_parent->DoAddChild( this );
  86
  87     PostCreation(size);
  88
  89     // need to set non default alignment?
  90     gfloat xalign = 0;
  91     if ( style & wxALIGN_CENTER )
  92         xalign = 0.5;
  93     else if ( style & wxALIGN_RIGHT )
  94         xalign = 1.0;
  95
  96     gtk_frame_set_label_align(GTK_FRAME(m_widget), xalign, 0.5);
  97
  98     if (gtk_check_version(2, 12, 0))
  99     {
 100         // for clipping label as GTK >= 2.12 does
 101         g_signal_connect(m_widget, "size_allocate",
 102             G_CALLBACK(size_allocate), NULL);
 103     }
 104
 105     return true;
 106 }
 107
 108 void wxStaticBox::SetLabel( const wxString& label )
 109 {
 110     wxCHECK_RET( m_widget != NULL, wxT("invalid staticbox") );
 111
 112     GTKSetLabelForFrame(GTK_FRAME(m_widget), label);
 113 }
 114
 115 void wxStaticBox::DoApplyWidgetStyle(GtkRcStyle *style)
 116 {
 117     GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style);
 118 }
 119
 120 bool wxStaticBox::GTKWidgetNeedsMnemonic() const
 121 {
 122     return true;
 123 }
 124
 125 void wxStaticBox::GTKWidgetDoSetMnemonic(GtkWidget* w)
 126 {
 127     GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w);
 128 }
 129
 130 // static
 131 wxVisualAttributes
 132 wxStaticBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 133 {
 134     return GetDefaultAttributesFromGTKWidget(gtk_frame_new);
 135 }
 136
 137
 138 void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
 139 {
 140     const int BORDER = 5; // FIXME: hardcoded value
 141
 142     *borderTop = GetLabel().empty() ? 2*BORDER : GetCharHeight();
 143     *borderOther = BORDER;
 144 }
 145
 146 #endif // wxUSE_STATBOX