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