src/gtk/statbox.cpp

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