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     GtkJustification justify;
  66     if ( style & wxALIGN_CENTER )
  67       justify = GTK_JUSTIFY_CENTER;
  68     else if ( style & wxALIGN_RIGHT )
  69       justify = GTK_JUSTIFY_RIGHT;
  70     else // wxALIGN_LEFT is 0
  71       justify = GTK_JUSTIFY_LEFT;
  72     gtk_label_set_justify(GTK_LABEL(m_widget), justify);
  73
  74     // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2
  75     static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
  76     gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
  77
  78     // do not move this call elsewhere
  79     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
  80
  81     m_parent->DoAddChild( this );
  82
  83     PostCreation();
  84
  85     ApplyWidgetStyle();
  86
  87     wxControl::SetFont( parent->GetFont() );
  88
  89     wxSize size_best( DoGetBestSize() );
  90     wxSize new_size( size );
  91     if (new_size.x == -1)
  92         new_size.x = size_best.x;
  93     if (new_size.y == -1)
  94         new_size.y = size_best.y;
  95     if ((new_size.x != size.x) || (new_size.y != size.y))
  96         SetSize( new_size.x, new_size.y );
  97
  98     SetBackgroundColour( parent->GetBackgroundColour() );
  99     SetForegroundColour( parent->GetForegroundColour() );
 100     Show( TRUE );
 101
 102     return TRUE;
 103 }
 104
 105 wxString wxStaticText::GetLabel() const
 106 {
 107     char *str = (char *) NULL;
 108     gtk_label_get( GTK_LABEL(m_widget), &str );
 109
 110     return wxString(str);
 111 }
 112
 113 void wxStaticText::SetLabel( const wxString &label )
 114 {
 115     wxControl::SetLabel(label);
 116
 117     gtk_label_set( GTK_LABEL(m_widget), m_label.mbc_str() );
 118
 119     // adjust the label size to the new label unless disabled
 120     if (!HasFlag(wxST_NO_AUTORESIZE))
 121         SetSize( GetBestSize() );
 122 }
 123
 124 bool wxStaticText::SetFont( const wxFont &font )
 125 {
 126     bool ret = wxControl::SetFont(font);
 127
 128     // adjust the label size to the new label unless disabled
 129     if (!HasFlag(wxST_NO_AUTORESIZE))
 130         SetSize( GetBestSize() );
 131
 132     return ret;
 133 }
 134
 135 void wxStaticText::ApplyWidgetStyle()
 136 {
 137     SetWidgetStyle();
 138     gtk_widget_set_style( m_widget, m_widgetStyle );
 139 }
 140
 141 wxSize wxStaticText::DoGetBestSize() const
 142 {
 143     // Do not return any arbitrary default value...
 144     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 145
 146     // this invalidates the size request
 147     gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 148     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 149
 150     GtkRequisition req;
 151     req.width = 2;
 152     req.height = 2;
 153     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 154         (m_widget, &req );
 155
 156     return wxSize(req.width, req.height);
 157 }
 158