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 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("wxStaticText creation failed") );
  59         return FALSE;
  60     }
  61
  62     m_label = label;
  63     m_widget = gtk_label_new( wxGTK_CONV( GTKRemoveMnemonics(label)) );
  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         gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
  79
  80     m_parent->DoAddChild( this );
  81
  82     PostCreation(size);
  83
  84     return TRUE;
  85 }
  86
  87 wxString wxStaticText::GetLabel() const
  88 {
  89     GtkLabel *label = GTK_LABEL(m_widget);
  90     wxString str = wxString( label->label );
  91     return wxString(str);
  92 }
  93
  94 void wxStaticText::SetLabel( const wxString &label )
  95 {
  96     wxCHECK_RET( m_widget != NULL, wxT("invalid static text") );
  97
  98     GTKSetLabelForLabel(GTK_LABEL(m_widget), label);
  99
 100     // adjust the label size to the new label unless disabled
 101     if (!HasFlag(wxST_NO_AUTORESIZE))
 102         SetSize( GetBestSize() );
 103 }
 104
 105 bool wxStaticText::SetFont( const wxFont &font )
 106 {
 107     bool ret = wxControl::SetFont(font);
 108
 109     // adjust the label size to the new label unless disabled
 110     if (!HasFlag(wxST_NO_AUTORESIZE))
 111     {
 112         InvalidateBestSize();
 113         SetSize( GetBestSize() );
 114     }
 115     return ret;
 116 }
 117
 118 void wxStaticText::DoSetSize(int x, int y,
 119                            int width, int height,
 120                            int sizeFlags )
 121 {
 122     wxControl::DoSetSize( x, y, width, height, sizeFlags );
 123 }
 124
 125 wxSize wxStaticText::DoGetBestSize() const
 126 {
 127     // Do not return any arbitrary default value...
 128     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 129
 130     // This resets the internal GTK1 size calculation, which
 131     // otherwise would be cashed (incorrectly)
 132     gtk_label_set_pattern( GTK_LABEL(m_widget), NULL );
 133
 134     // GetBestSize is supposed to return unwrapped size
 135     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 136
 137     GtkRequisition req;
 138     req.width = -1;
 139     req.height = -1;
 140     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 141         (m_widget, &req );
 142
 143     gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 144
 145     return wxSize (req.width, req.height);
 146 }
 147
 148 bool wxStaticText::SetForegroundColour(const wxColour& colour)
 149 {
 150     // First, we call the base class member
 151     wxControl::SetForegroundColour(colour);
 152     // Then, to force the color change, we set the label with the current label
 153     SetLabel(GetLabel());
 154     return true;
 155 }
 156
 157 // static
 158 wxVisualAttributes
 159 wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 160 {
 161     return GetDefaultAttributesFromGTKWidget(gtk_label_new);
 162 }
 163
 164 #endif // wxUSE_STATTEXT