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/defs.h"
  16
  17 #if wxUSE_STATTEXT
  18
  19 #include "wx/stattext.h"
  20
  21 #include "gdk/gdk.h"
  22 #include "gtk/gtk.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // wxStaticText
  26 //-----------------------------------------------------------------------------
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxStaticText,wxControl)
  29
  30 wxStaticText::wxStaticText()
  31 {
  32 }
  33
  34 wxStaticText::wxStaticText(wxWindow *parent,
  35                            wxWindowID id,
  36                            const wxString &label,
  37                            const wxPoint &pos,
  38                            const wxSize &size,
  39                            long style,
  40                            const wxString &name)
  41 {
  42   Create( parent, id, label, pos, size, style, name );
  43 }
  44
  45 bool wxStaticText::Create(wxWindow *parent,
  46                           wxWindowID id,
  47                           const wxString &label,
  48                           const wxPoint &pos,
  49                           const wxSize &size,
  50                           long style,
  51                           const wxString &name )
  52 {
  53     m_needParent = TRUE;
  54
  55     if (!PreCreation( parent, pos, size ) ||
  56         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  57     {
  58         wxFAIL_MSG( wxT("wxXX creation failed") );
  59         return FALSE;
  60     }
  61
  62     // notice that we call the base class version which will just remove the
  63     // '&' characters from the string, but not set the label's text to it
  64     // because the label is not yet created and because SetLabel() has a side
  65     // effect of changing the control size which might not be desirable
  66     wxControl::SetLabel(label);
  67     m_widget = gtk_label_new( m_label.mbc_str() );
  68
  69     GtkJustification justify;
  70     if ( style & wxALIGN_CENTER )
  71       justify = GTK_JUSTIFY_CENTER;
  72     else if ( style & wxALIGN_RIGHT )
  73       justify = GTK_JUSTIFY_RIGHT;
  74     else // wxALIGN_LEFT is 0
  75       justify = GTK_JUSTIFY_LEFT;
  76     gtk_label_set_justify(GTK_LABEL(m_widget), justify);
  77
  78     // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2
  79     static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
  80     gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
  81
  82     // do not move this call elsewhere
  83     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
  84
  85     m_parent->DoAddChild( this );
  86
  87     PostCreation();
  88
  89     ApplyWidgetStyle();
  90
  91     wxControl::SetFont( parent->GetFont() );
  92
  93     wxSize size_best( DoGetBestSize() );
  94     wxSize new_size( size );
  95     if (new_size.x == -1)
  96         new_size.x = size_best.x;
  97     if (new_size.y == -1)
  98         new_size.y = size_best.y;
  99     if ((new_size.x != size.x) || (new_size.y != size.y))
 100         SetSize( new_size.x, new_size.y );
 101
 102     SetBackgroundColour( parent->GetBackgroundColour() );
 103     SetForegroundColour( parent->GetForegroundColour() );
 104     Show( TRUE );
 105
 106     return TRUE;
 107 }
 108
 109 wxString wxStaticText::GetLabel() const
 110 {
 111     char *str = (char *) NULL;
 112     gtk_label_get( GTK_LABEL(m_widget), &str );
 113
 114     return wxString(str);
 115 }
 116
 117 void wxStaticText::SetLabel( const wxString &label )
 118 {
 119     wxControl::SetLabel(label);
 120
 121     gtk_label_set( GTK_LABEL(m_widget), m_label.mbc_str() );
 122
 123     // adjust the label size to the new label unless disabled
 124     if (!HasFlag(wxST_NO_AUTORESIZE))
 125         SetSize( GetBestSize() );
 126 }
 127
 128 bool wxStaticText::SetFont( const wxFont &font )
 129 {
 130     bool ret = wxControl::SetFont(font);
 131
 132     // adjust the label size to the new label unless disabled
 133     if (!HasFlag(wxST_NO_AUTORESIZE))
 134         SetSize( GetBestSize() );
 135
 136     return ret;
 137 }
 138
 139 void wxStaticText::ApplyWidgetStyle()
 140 {
 141     SetWidgetStyle();
 142     gtk_widget_set_style( m_widget, m_widgetStyle );
 143 }
 144
 145 wxSize wxStaticText::DoGetBestSize() const
 146 {
 147     // Do not return any arbitrary default value...
 148     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 149
 150     // this invalidates the size request
 151     gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 152     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 153
 154     GtkRequisition req;
 155     req.width = 2;
 156     req.height = 2;
 157     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 158         (m_widget, &req );
 159
 160     return wxSize(req.width, req.height);
 161 }
 162
 163 #endif // wxUSE_STATTEXT