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 #include "wx/gtk/private.h"
  21
  22 #include "gdk/gdk.h"
  23 #include "gtk/gtk.h"
  24
  25 //-----------------------------------------------------------------------------
  26 // wxStaticText
  27 //-----------------------------------------------------------------------------
  28
  29 IMPLEMENT_DYNAMIC_CLASS(wxStaticText,wxControl)
  30
  31 wxStaticText::wxStaticText()
  32 {
  33 }
  34
  35 wxStaticText::wxStaticText(wxWindow *parent,
  36                            wxWindowID id,
  37                            const wxString &label,
  38                            const wxPoint &pos,
  39                            const wxSize &size,
  40                            long style,
  41                            const wxString &name)
  42 {
  43   Create( parent, id, label, pos, size, style, name );
  44 }
  45
  46 bool wxStaticText::Create(wxWindow *parent,
  47                           wxWindowID id,
  48                           const wxString &label,
  49                           const wxPoint &pos,
  50                           const wxSize &size,
  51                           long style,
  52                           const wxString &name )
  53 {
  54     m_needParent = TRUE;
  55
  56     if (!PreCreation( parent, pos, size ) ||
  57         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  58     {
  59         wxFAIL_MSG( wxT("wxXX creation failed") );
  60         return FALSE;
  61     }
  62
  63     // notice that we call the base class version which will just remove the
  64     // '&' characters from the string, but not set the label's text to it
  65     // because the label is not yet created and because SetLabel() has a side
  66     // effect of changing the control size which might not be desirable
  67     wxControl::SetLabel(label);
  68     m_widget = gtk_label_new( wxGTK_CONV( m_label ) );
  69
  70     GtkJustification justify;
  71     if ( style & wxALIGN_CENTER )
  72       justify = GTK_JUSTIFY_CENTER;
  73     else if ( style & wxALIGN_RIGHT )
  74       justify = GTK_JUSTIFY_RIGHT;
  75     else // wxALIGN_LEFT is 0
  76       justify = GTK_JUSTIFY_LEFT;
  77     gtk_label_set_justify(GTK_LABEL(m_widget), justify);
  78
  79     // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2
  80     static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
  81     gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
  82
  83     // do not move this call elsewhere
  84     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
  85
  86     m_parent->DoAddChild( this );
  87
  88     PostCreation();
  89
  90     ApplyWidgetStyle();
  91
  92     wxControl::SetFont( parent->GetFont() );
  93
  94     wxSize size_best( DoGetBestSize() );
  95     wxSize new_size( size );
  96     if (new_size.x == -1)
  97         new_size.x = size_best.x;
  98     if (new_size.y == -1)
  99         new_size.y = size_best.y;
 100     if ((new_size.x != size.x) || (new_size.y != size.y))
 101         SetSize( new_size.x, new_size.y );
 102
 103     SetBackgroundColour( parent->GetBackgroundColour() );
 104     SetForegroundColour( parent->GetForegroundColour() );
 105     Show( TRUE );
 106
 107     return TRUE;
 108 }
 109
 110 wxString wxStaticText::GetLabel() const
 111 {
 112     GtkLabel *label = GTK_LABEL(m_widget);
 113
 114 #ifdef __WXGTK20__
 115     wxString str = wxGTK_CONV_BACK( gtk_label_get_text( label ) );
 116 #else
 117     wxString str = wxString( label->label );
 118 #endif
 119
 120     return wxString(str);
 121 }
 122
 123 void wxStaticText::SetLabel( const wxString &label )
 124 {
 125     wxControl::SetLabel(label);
 126
 127     gtk_label_set( GTK_LABEL(m_widget), wxGTK_CONV( m_label ) );
 128
 129     // adjust the label size to the new label unless disabled
 130     if (!HasFlag(wxST_NO_AUTORESIZE))
 131         SetSize( GetBestSize() );
 132 }
 133
 134 bool wxStaticText::SetFont( const wxFont &font )
 135 {
 136     bool ret = wxControl::SetFont(font);
 137
 138     // adjust the label size to the new label unless disabled
 139     if (!HasFlag(wxST_NO_AUTORESIZE))
 140         SetSize( GetBestSize() );
 141
 142     return ret;
 143 }
 144
 145 void wxStaticText::ApplyWidgetStyle()
 146 {
 147     SetWidgetStyle();
 148     gtk_widget_set_style( m_widget, m_widgetStyle );
 149 }
 150
 151 wxSize wxStaticText::DoGetBestSize() const
 152 {
 153     // Do not return any arbitrary default value...
 154     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 155
 156     // this invalidates the size request
 157     gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 158     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 159
 160     GtkRequisition req;
 161     req.width = 2;
 162     req.height = 2;
 163     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 164         (m_widget, &req );
 165
 166     return wxSize(req.width, req.height);
 167 }
 168
 169 #endif // wxUSE_STATTEXT