src/gtk1/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 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_STATTEXT
  14
  15 #include "wx/stattext.h"
  16 #include "wx/gtk1/private.h"
  17
  18 #include "gdk/gdk.h"
  19 #include "gtk/gtk.h"
  20
  21 extern "C"
  22 void wxgtk_window_size_request_callback(GtkWidget *widget,
  23                                         GtkRequisition *requisition,
  24                                         wxWindow *win);
  25
  26 //-----------------------------------------------------------------------------
  27 // wxStaticText
  28 //-----------------------------------------------------------------------------
  29
  30 IMPLEMENT_DYNAMIC_CLASS(wxStaticText,wxControl)
  31
  32 wxStaticText::wxStaticText()
  33 {
  34 }
  35
  36 wxStaticText::wxStaticText(wxWindow *parent,
  37                            wxWindowID id,
  38                            const wxString &label,
  39                            const wxPoint &pos,
  40                            const wxSize &size,
  41                            long style,
  42                            const wxString &name)
  43 {
  44   Create( parent, id, label, pos, size, style, name );
  45 }
  46
  47 bool wxStaticText::Create(wxWindow *parent,
  48                           wxWindowID id,
  49                           const wxString &label,
  50                           const wxPoint &pos,
  51                           const wxSize &size,
  52                           long style,
  53                           const wxString &name )
  54 {
  55     m_needParent = TRUE;
  56
  57     if (!PreCreation( parent, pos, size ) ||
  58         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  59     {
  60         wxFAIL_MSG( wxT("wxStaticText creation failed") );
  61         return FALSE;
  62     }
  63
  64     // notice that we call the base class version which will just remove the
  65     // '&' characters from the string, but not set the label's text to it
  66     // because the label is not yet created and because SetLabel() has a side
  67     // effect of changing the control size which might not be desirable
  68     wxControl::SetLabel(label);
  69     m_widget = gtk_label_new( wxGTK_CONV( m_label ) );
  70
  71     GtkJustification justify;
  72     if ( style & wxALIGN_CENTER )
  73       justify = GTK_JUSTIFY_CENTER;
  74     else if ( style & wxALIGN_RIGHT )
  75       justify = GTK_JUSTIFY_RIGHT;
  76     else // wxALIGN_LEFT is 0
  77       justify = GTK_JUSTIFY_LEFT;
  78     gtk_label_set_justify(GTK_LABEL(m_widget), justify);
  79
  80     // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2
  81     static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
  82     gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
  83
  84         gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
  85
  86     m_parent->DoAddChild( this );
  87
  88     PostCreation(size);
  89
  90     return TRUE;
  91 }
  92
  93 wxString wxStaticText::GetLabel() const
  94 {
  95     GtkLabel *label = GTK_LABEL(m_widget);
  96     wxString str = wxString( label->label );
  97     return wxString(str);
  98 }
  99
 100 void wxStaticText::SetLabel( const wxString &label )
 101 {
 102     wxControl::SetLabel(label);
 103
 104     gtk_label_set( GTK_LABEL(m_widget), wxGTK_CONV( m_label ) );
 105
 106     // adjust the label size to the new label unless disabled
 107     if (!HasFlag(wxST_NO_AUTORESIZE))
 108     {
 109         InvalidateBestSize();
 110         SetSize( GetBestSize() );
 111     }
 112 }
 113
 114 bool wxStaticText::SetFont( const wxFont &font )
 115 {
 116     bool ret = wxControl::SetFont(font);
 117
 118     // adjust the label size to the new label unless disabled
 119     if (!HasFlag(wxST_NO_AUTORESIZE))
 120     {
 121         InvalidateBestSize();
 122         SetSize( GetBestSize() );
 123     }
 124     return ret;
 125 }
 126
 127 void wxStaticText::DoSetSize(int x, int y,
 128                            int width, int height,
 129                            int sizeFlags )
 130 {
 131     wxControl::DoSetSize( x, y, width, height, sizeFlags );
 132 }
 133
 134 wxSize wxStaticText::DoGetBestSize() const
 135 {
 136     // Do not return any arbitrary default value...
 137     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 138
 139     // This resets the internal GTK1 size calculation, which
 140     // otherwise would be cashed (incorrectly)
 141     gtk_label_set_pattern( GTK_LABEL(m_widget), NULL );
 142
 143     // GetBestSize is supposed to return unwrapped size
 144     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 145
 146     GtkRequisition req;
 147     req.width = -1;
 148     req.height = -1;
 149     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 150         (m_widget, &req );
 151
 152     gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 153
 154     return wxSize (req.width, req.height);
 155 }
 156
 157 bool wxStaticText::SetForegroundColour(const wxColour& colour)
 158 {
 159     // First, we call the base class member
 160     wxControl::SetForegroundColour(colour);
 161     // Then, to force the color change, we set the label with the current label
 162     SetLabel(GetLabel());
 163     return true;
 164 }
 165
 166 // static
 167 wxVisualAttributes
 168 wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 169 {
 170     return GetDefaultAttributesFromGTKWidget(gtk_label_new);
 171 }
 172
 173 #endif // wxUSE_STATTEXT