src/gtk/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        stattext.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifdef __GNUG__
  12     #pragma implementation "stattext.h"
  13 #endif
  14
  15 #include "wx/stattext.h"
  16
  17 #include "gdk/gdk.h"
  18 #include "gtk/gtk.h"
  19
  20 //-----------------------------------------------------------------------------
  21 // wxStaticText
  22 //-----------------------------------------------------------------------------
  23
  24 IMPLEMENT_DYNAMIC_CLASS(wxStaticText,wxControl)
  25
  26 wxStaticText::wxStaticText()
  27 {
  28 }
  29
  30 wxStaticText::wxStaticText(wxWindow *parent,
  31                            wxWindowID id,
  32                            const wxString &label,
  33                            const wxPoint &pos,
  34                            const wxSize &size,
  35                            long style,
  36                            const wxString &name)
  37 {
  38   Create( parent, id, label, pos, size, style, name );
  39 }
  40
  41 bool wxStaticText::Create(wxWindow *parent,
  42                           wxWindowID id,
  43                           const wxString &label,
  44                           const wxPoint &pos,
  45                           const wxSize &size,
  46                           long style,
  47                           const wxString &name )
  48 {
  49     m_needParent = TRUE;
  50
  51     if (!PreCreation( parent, pos, size ) ||
  52         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  53     {
  54         wxFAIL_MSG( wxT("wxXX creation failed") );
  55         return FALSE;
  56     }
  57
  58     // notice that we call the base class version which will just remove the
  59     // '&' characters from the string, but not set the label's text to it
  60     // because the label is not yet created and because SetLabel() has a side
  61     // effect of changing the control size which might not be desirable
  62     wxControl::SetLabel(label);
  63     m_widget = gtk_label_new( m_label.mbc_str() );
  64
  65     wxControl::SetFont( parent->GetFont() );
  66
  67     GtkJustification justify;
  68     if ( style & wxALIGN_CENTER )
  69       justify = GTK_JUSTIFY_CENTER;
  70     else if ( style & wxALIGN_RIGHT )
  71       justify = GTK_JUSTIFY_RIGHT;
  72     else // wxALIGN_LEFT is 0
  73       justify = GTK_JUSTIFY_LEFT;
  74     gtk_label_set_justify(GTK_LABEL(m_widget), justify);
  75
  76     // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2
  77     static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
  78     gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
  79
  80     // do not move this call elsewhere
  81     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
  82
  83     SetSizeOrDefault( size );
  84
  85     m_parent->DoAddChild( this );
  86
  87     PostCreation();
  88
  89     SetBackgroundColour( parent->GetBackgroundColour() );
  90     SetForegroundColour( parent->GetForegroundColour() );
  91     Show( TRUE );
  92
  93     return TRUE;
  94 }
  95
  96 wxString wxStaticText::GetLabel() const
  97 {
  98     char *str = (char *) NULL;
  99     gtk_label_get( GTK_LABEL(m_widget), &str );
 100
 101     return wxString(str);
 102 }
 103
 104 void wxStaticText::SetLabel( const wxString &label )
 105 {
 106     wxControl::SetLabel(label);
 107
 108     gtk_label_set( GTK_LABEL(m_widget), m_label.mbc_str() );
 109
 110     // adjust the label size to the new label unless disabled
 111     if (!HasFlag(wxST_NO_AUTORESIZE))
 112         SetSize( GetBestSize() );
 113 }
 114
 115 bool wxStaticText::SetFont( const wxFont &font )
 116 {
 117     bool ret = wxControl::SetFont(font);
 118
 119     // adjust the label size to the new label unless disabled
 120     if (!HasFlag(wxST_NO_AUTORESIZE))
 121         SetSize( GetBestSize() );
 122
 123     return ret;
 124 }
 125
 126 void wxStaticText::ApplyWidgetStyle()
 127 {
 128     SetWidgetStyle();
 129     gtk_widget_set_style( m_widget, m_widgetStyle );
 130 }
 131
 132 wxSize wxStaticText::DoGetBestSize() const
 133 {
 134     // Do not return any arbitrary default value...
 135     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 136
 137     // this invalidates the size request
 138     gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 139     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 140
 141     GtkRequisition req;
 142     req.width = 2;
 143     req.height = 2;
 144     (* GTK_WIDGET_CLASS( GTK_OBJECT(m_widget)->klass )->size_request )
 145         (m_widget, &req );
 146
 147     return wxSize(req.width, req.height);
 148 }
 149