src/gtk/statbmp.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        statbmp.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:           wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "statbmp.h"
  12 #endif
  13
  14 #include "wx/statbmp.h"
  15
  16 #if wxUSE_STATBMP
  17
  18 #include "gdk/gdk.h"
  19 #include "gtk/gtk.h"
  20
  21 //-----------------------------------------------------------------------------
  22 // wxStaticBitmap
  23 //-----------------------------------------------------------------------------
  24
  25 IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap,wxControl)
  26
  27 wxStaticBitmap::wxStaticBitmap(void)
  28 {
  29 }
  30
  31 wxStaticBitmap::wxStaticBitmap( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,
  32       const wxPoint &pos, const wxSize &size,
  33       long style, const wxString &name )
  34 {
  35     Create( parent, id, bitmap, pos, size, style, name );
  36 }
  37
  38 void wxStaticBitmap::CreatePixmapWidget()
  39 {
  40     wxCHECK_RET( m_bitmap.Ok(), wxT("should only be called if we have a bitmap") );
  41
  42     GdkBitmap *mask = (GdkBitmap *) NULL;
  43     if ( m_bitmap.GetMask() )
  44         mask = m_bitmap.GetMask()->GetBitmap();
  45     m_widget = gtk_pixmap_new( m_bitmap.GetPixmap(), mask );
  46
  47     /* insert GTK representation */
  48     (*m_parent->m_insertCallback)(m_parent, this);
  49
  50     gtk_widget_show( m_widget );
  51
  52     PostCreation();
  53 }
  54
  55 bool wxStaticBitmap::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,
  56                              const wxPoint &pos, const wxSize &size,
  57                              long style, const wxString &name )
  58 {
  59     m_needParent = TRUE;
  60
  61     if (!PreCreation( parent, pos, size ) ||
  62         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  63     {
  64         wxFAIL_MSG( wxT("wxXX creation failed") );
  65         return FALSE;
  66     }
  67
  68     m_bitmap = bitmap;
  69
  70     if (m_bitmap.Ok())
  71     {
  72         GdkBitmap *mask = (GdkBitmap *) NULL;
  73         if ( m_bitmap.GetMask() )
  74             mask = m_bitmap.GetMask()->GetBitmap();
  75         m_widget = gtk_pixmap_new( m_bitmap.GetPixmap(), mask );
  76
  77         SetSizeOrDefault( size );
  78     }
  79     else
  80     {
  81         m_widget = gtk_label_new( "Bitmap" );
  82
  83         PostCreation();
  84     }
  85
  86     m_parent->DoAddChild( this );
  87
  88     Show( TRUE );
  89
  90     return TRUE;
  91 }
  92
  93 void wxStaticBitmap::SetBitmap( const wxBitmap &bitmap )
  94 {
  95     bool hasWidget = m_bitmap.Ok();
  96     m_bitmap = bitmap;
  97
  98     if (m_bitmap.Ok())
  99     {
 100         if (!hasWidget)
 101         {
 102             gtk_widget_destroy( m_widget );
 103
 104             /* recreate m_widget because we've created a label
 105                and not a bitmap above */
 106             CreatePixmapWidget();
 107         }
 108         else
 109         {
 110             GdkBitmap *mask = (GdkBitmap *) NULL;
 111             if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap();
 112             gtk_pixmap_set( GTK_PIXMAP(m_widget), m_bitmap.GetPixmap(), mask );
 113         }
 114
 115         SetSizeOrDefault();
 116     }
 117 }
 118
 119 wxSize wxStaticBitmap::DoGetBestSize() const
 120 {
 121     if ( m_bitmap.Ok() )
 122         return wxSize(m_bitmap.GetWidth(), m_bitmap.GetHeight());
 123     else
 124         return wxSize(16, 16);  // completely arbitrary
 125 }
 126
 127 #endif