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     m_focusWidget = m_widget;
  55
  56     PostCreation();
  57 }
  58
  59 bool wxStaticBitmap::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,
  60                              const wxPoint &pos, const wxSize &size,
  61                              long style, const wxString &name )
  62 {
  63     m_needParent = TRUE;
  64
  65     if (!PreCreation( parent, pos, size ) ||
  66         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  67     {
  68         wxFAIL_MSG( wxT("wxXX creation failed") );
  69     return FALSE;
  70     }
  71
  72     m_bitmap = bitmap;
  73
  74     if (m_bitmap.Ok())
  75     {
  76         GdkBitmap *mask = (GdkBitmap *) NULL;
  77         if ( m_bitmap.GetMask() )
  78             mask = m_bitmap.GetMask()->GetBitmap();
  79         m_widget = gtk_pixmap_new( m_bitmap.GetPixmap(), mask );
  80
  81         SetBestSize( size );
  82     }
  83     else
  84     {
  85         m_widget = gtk_label_new( "Bitmap" );
  86
  87         m_focusWidget = m_widget;
  88
  89         PostCreation();
  90     }
  91
  92     m_parent->DoAddChild( this );
  93
  94     Show( TRUE );
  95
  96     return TRUE;
  97 }
  98
  99 void wxStaticBitmap::SetBitmap( const wxBitmap &bitmap )
 100 {
 101     bool hasWidget = m_bitmap.Ok();
 102     m_bitmap = bitmap;
 103
 104     if (m_bitmap.Ok())
 105     {
 106         if (!hasWidget)
 107         {
 108             gtk_widget_destroy( m_widget );
 109
 110             /* recreate m_widget because we've created a label
 111                and not a bitmap above */
 112             CreatePixmapWidget();
 113         }
 114         else
 115         {
 116             GdkBitmap *mask = (GdkBitmap *) NULL;
 117             if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap();
 118             gtk_pixmap_set( GTK_PIXMAP(m_widget), m_bitmap.GetPixmap(), mask );
 119         }
 120
 121         SetBestSize(wxSize(bitmap.GetWidth(), bitmap.GetHeight()));
 122     }
 123 }
 124
 125 #endif // wxUSE_STATBMP
 126