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();
  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         SetBestSize( size );
  83     }
  84     else
  85     {
  86         m_widget = gtk_label_new( "Bitmap" );
  87         m_focusWidget = m_widget;
  88     }
  89
  90     PostCreation();
  91     m_parent->DoAddChild( this );
  92
  93     return TRUE;
  94 }
  95
  96 void wxStaticBitmap::SetBitmap( const wxBitmap &bitmap )
  97 {
  98     bool hasWidget = m_bitmap.Ok();
  99     m_bitmap = bitmap;
 100
 101     if (m_bitmap.Ok())
 102     {
 103         if (!hasWidget)
 104         {
 105             gtk_widget_destroy( m_widget );
 106
 107             /* recreate m_widget because we've created a label
 108                and not a bitmap above */
 109             CreatePixmapWidget();
 110         }
 111         else
 112         {
 113             GdkBitmap *mask = (GdkBitmap *) NULL;
 114             if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap();
 115             gtk_pixmap_set( GTK_PIXMAP(m_widget), m_bitmap.GetPixmap(), mask );
 116         }
 117
 118         SetBestSize(wxSize(bitmap.GetWidth(), bitmap.GetHeight()));
 119     }
 120 }
 121
 122 #endif // wxUSE_STATBMP
 123