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     // the base class version which
  65     // will 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     wxString label1(wxStripMenuCodes(label));
  69     wxControl::SetLabel(label);
  70     m_widget = gtk_label_new( wxGTK_CONV( label1 ) );
  71
  72     GtkJustification justify;
  73     if ( style & wxALIGN_CENTER )
  74       justify = GTK_JUSTIFY_CENTER;
  75     else if ( style & wxALIGN_RIGHT )
  76       justify = GTK_JUSTIFY_RIGHT;
  77     else // wxALIGN_LEFT is 0
  78       justify = GTK_JUSTIFY_LEFT;
  79     gtk_label_set_justify(GTK_LABEL(m_widget), justify);
  80
  81     // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2
  82     static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
  83     gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
  84
  85         gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
  86
  87     m_parent->DoAddChild( this );
  88
  89     PostCreation(size);
  90
  91     return TRUE;
  92 }
  93
  94 wxString wxStaticText::GetLabel() const
  95 {
  96     GtkLabel *label = GTK_LABEL(m_widget);
  97     wxString str = wxString( label->label );
  98     return wxString(str);
  99 }
 100
 101 void wxStaticText::SetLabel( const wxString &label )
 102 {
 103     wxControl::SetLabel(label);
 104
 105     wxString label1(wxStripMenuCodes(label));
 106
 107     gtk_label_set( GTK_LABEL(m_widget), wxGTK_CONV( label1 ) );
 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 }
 116
 117 bool wxStaticText::SetFont( const wxFont &font )
 118 {
 119     bool ret = wxControl::SetFont(font);
 120
 121     // adjust the label size to the new label unless disabled
 122     if (!HasFlag(wxST_NO_AUTORESIZE))
 123     {
 124         InvalidateBestSize();
 125         SetSize( GetBestSize() );
 126     }
 127     return ret;
 128 }
 129
 130 void wxStaticText::DoSetSize(int x, int y,
 131                            int width, int height,
 132                            int sizeFlags )
 133 {
 134     wxControl::DoSetSize( x, y, width, height, sizeFlags );
 135 }
 136
 137 wxSize wxStaticText::DoGetBestSize() const
 138 {
 139     // Do not return any arbitrary default value...
 140     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 141
 142     // This resets the internal GTK1 size calculation, which
 143     // otherwise would be cashed (incorrectly)
 144     gtk_label_set_pattern( GTK_LABEL(m_widget), NULL );
 145
 146     // GetBestSize is supposed to return unwrapped size
 147     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 148
 149     GtkRequisition req;
 150     req.width = -1;
 151     req.height = -1;
 152     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 153         (m_widget, &req );
 154
 155     gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 156
 157     return wxSize (req.width, req.height);
 158 }
 159
 160 bool wxStaticText::SetForegroundColour(const wxColour& colour)
 161 {
 162     // First, we call the base class member
 163     wxControl::SetForegroundColour(colour);
 164     // Then, to force the color change, we set the label with the current label
 165     SetLabel(GetLabel());
 166     return true;
 167 }
 168
 169 // static
 170 wxVisualAttributes
 171 wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 172 {
 173     return GetDefaultAttributesFromGTKWidget(gtk_label_new);
 174 }
 175
 176 #endif // wxUSE_STATTEXT