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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11 #pragma implementation "statbmp.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #if wxUSE_STATBMP
  18
  19 #include "wx/statbmp.h"
  20
  21 #include "gdk/gdk.h"
  22 #include "gtk/gtk.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // wxStaticBitmap
  26 //-----------------------------------------------------------------------------
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap,wxControl)
  29
  30 wxStaticBitmap::wxStaticBitmap(void)
  31 {
  32 }
  33
  34 wxStaticBitmap::wxStaticBitmap( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,
  35       const wxPoint &pos, const wxSize &size,
  36       long style, const wxString &name )
  37 {
  38     Create( parent, id, bitmap, pos, size, style, name );
  39 }
  40
  41 void wxStaticBitmap::CreatePixmapWidget()
  42 {
  43     wxCHECK_RET( m_bitmap.Ok(), wxT("should only be called if we have a bitmap") );
  44
  45     GdkBitmap *mask = (GdkBitmap *) NULL;
  46     if ( m_bitmap.GetMask() )
  47         mask = m_bitmap.GetMask()->GetBitmap();
  48     m_widget = gtk_pixmap_new( m_bitmap.GetPixmap(), mask );
  49
  50     // insert GTK representation
  51     (*m_parent->m_insertCallback)(m_parent, this);
  52
  53     gtk_widget_show( m_widget );
  54
  55     m_focusWidget = m_widget;
  56
  57     PostCreation(wxDefaultSize);
  58 }
  59
  60 bool wxStaticBitmap::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,
  61                              const wxPoint &pos, const wxSize &size,
  62                              long style, const wxString &name )
  63 {
  64     m_needParent = TRUE;
  65
  66     if (!PreCreation( parent, pos, size ) ||
  67         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  68     {
  69         wxFAIL_MSG( wxT("wxXX creation failed") );
  70     return FALSE;
  71     }
  72
  73     m_bitmap = bitmap;
  74
  75     if (m_bitmap.Ok())
  76     {
  77         GdkBitmap *mask = (GdkBitmap *) NULL;
  78         if ( m_bitmap.GetMask() )
  79             mask = m_bitmap.GetMask()->GetBitmap();
  80         m_widget = gtk_pixmap_new( m_bitmap.GetPixmap(), mask );
  81     }
  82     else
  83     {
  84         m_widget = gtk_label_new( "Bitmap" );
  85         m_focusWidget = m_widget;
  86     }
  87
  88     PostCreation(size);
  89     m_parent->DoAddChild( this );
  90
  91     return TRUE;
  92 }
  93
  94 void wxStaticBitmap::SetBitmap( const wxBitmap &bitmap )
  95 {
  96     bool hasWidget = m_bitmap.Ok();
  97     m_bitmap = bitmap;
  98
  99     if (m_bitmap.Ok())
 100     {
 101         if (!hasWidget)
 102         {
 103             gtk_widget_destroy( m_widget );
 104
 105             /* recreate m_widget because we've created a label
 106                and not a bitmap above */
 107             CreatePixmapWidget();
 108         }
 109         else
 110         {
 111             GdkBitmap *mask = (GdkBitmap *) NULL;
 112             if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap();
 113             gtk_pixmap_set( GTK_PIXMAP(m_widget), m_bitmap.GetPixmap(), mask );
 114         }
 115
 116         InvalidateBestSize();
 117         SetSize(GetBestSize());
 118     }
 119 }
 120
 121 // static
 122 wxVisualAttributes
 123 wxStaticBitmap::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 124 {
 125     // TODO: overload to allow using gtk_pixmap_new?
 126     return GetDefaultAttributesFromGTKWidget(gtk_label_new);
 127 }
 128
 129 #endif // wxUSE_STATBMP
 130