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     // only base SetLabel needs to be called after GTKCreateFrame
  82     wxControl::SetLabel(label);
  83
  84     m_parent->DoAddChild( this );
  85
  86     PostCreation(size);
  87
  88     // need to set non default alignment?
  89     gfloat xalign = 0;
  90     if ( style & wxALIGN_CENTER )
  91         xalign = 0.5;
  92     else if ( style & wxALIGN_RIGHT )
  93         xalign = 1.0;
  94
  95     gtk_frame_set_label_align(GTK_FRAME(m_widget), xalign, 0.5);
  96
  97     if (gtk_check_version(2, 12, 0))
  98     {
  99         // for clipping label as GTK >= 2.12 does
 100         g_signal_connect(m_widget, "size_allocate",
 101             G_CALLBACK(size_allocate), NULL);
 102     }
 103
 104     return true;
 105 }
 106
 107 void wxStaticBox::SetLabel( const wxString& label )
 108 {
 109     wxCHECK_RET( m_widget != NULL, wxT("invalid staticbox") );
 110
 111     GTKSetLabelForFrame(GTK_FRAME(m_widget), label);
 112 }
 113
 114 void wxStaticBox::DoApplyWidgetStyle(GtkRcStyle *style)
 115 {
 116     GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style);
 117 }
 118
 119 bool wxStaticBox::GTKWidgetNeedsMnemonic() const
 120 {
 121     return true;
 122 }
 123
 124 void wxStaticBox::GTKWidgetDoSetMnemonic(GtkWidget* w)
 125 {
 126     GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w);
 127 }
 128
 129 // static
 130 wxVisualAttributes
 131 wxStaticBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 132 {
 133     return GetDefaultAttributesFromGTKWidget(gtk_frame_new);
 134 }
 135
 136
 137 void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
 138 {
 139     const int BORDER = 5; // FIXME: hardcoded value
 140
 141     *borderTop = GetLabel().empty() ? 2*BORDER : GetCharHeight();
 142     *borderOther = BORDER;
 143 }
 144
 145 #endif // wxUSE_STATBOX