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(), "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     wxSize newSize = size;
  62
  63     PreCreation( parent, id, pos, size, style, name );
  64
  65     m_bitmap = bitmap;
  66
  67     if (m_bitmap.Ok())
  68     {
  69         GdkBitmap *mask = (GdkBitmap *) NULL;
  70         if ( m_bitmap.GetMask() )
  71             mask = m_bitmap.GetMask()->GetBitmap();
  72         m_widget = gtk_pixmap_new( m_bitmap.GetPixmap(), mask );
  73
  74         if (newSize.x == -1) newSize.x = m_bitmap.GetWidth();
  75         if (newSize.y == -1) newSize.y = m_bitmap.GetHeight();
  76         SetSize( newSize.x, newSize.y );
  77     }
  78     else
  79     {
  80         m_widget = gtk_label_new( "Bitmap" );
  81
  82         PostCreation();
  83     }
  84
  85     m_parent->DoAddChild( this );
  86
  87     Show( TRUE );
  88
  89     return TRUE;
  90 }
  91
  92 void wxStaticBitmap::SetBitmap( const wxBitmap &bitmap )
  93 {
  94     bool hasWidget = m_bitmap.Ok();
  95     m_bitmap = bitmap;
  96
  97     if (m_bitmap.Ok())
  98     {
  99         if (!hasWidget)
 100         {
 101             gtk_widget_destroy( m_widget );
 102
 103             /* recreate m_widget because we've created a label
 104                and not a bitmap above */
 105             CreatePixmapWidget();
 106         }
 107         else
 108         {
 109             GdkBitmap *mask = (GdkBitmap *) NULL;
 110             if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap();
 111             gtk_pixmap_set( GTK_PIXMAP(m_widget), m_bitmap.GetPixmap(), mask );
 112         }
 113
 114         SetSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 115     }
 116 }
 117
 118 #endif