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     m_label = label;
  65     m_widget = gtk_label_new( wxGTK_CONV( GTKRemoveMnemonics(label)) );
  66
  67     GtkJustification justify;
  68     if ( style & wxALIGN_CENTER )
  69       justify = GTK_JUSTIFY_CENTER;
  70     else if ( style & wxALIGN_RIGHT )
  71       justify = GTK_JUSTIFY_RIGHT;
  72     else // wxALIGN_LEFT is 0
  73       justify = GTK_JUSTIFY_LEFT;
  74     gtk_label_set_justify(GTK_LABEL(m_widget), justify);
  75
  76     // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2
  77     static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
  78     gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
  79
  80         gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
  81
  82     m_parent->DoAddChild( this );
  83
  84     PostCreation(size);
  85
  86     return TRUE;
  87 }
  88
  89 wxString wxStaticText::GetLabel() const
  90 {
  91     GtkLabel *label = GTK_LABEL(m_widget);
  92     wxString str = wxString( label->label );
  93     return wxString(str);
  94 }
  95
  96 void wxStaticText::SetLabel( const wxString &label )
  97 {
  98     wxCHECK_RET( m_widget != NULL, wxT("invalid static text") );
  99
 100     GTKSetLabelForLabel(GTK_LABEL(m_widget), label);
 101
 102     // adjust the label size to the new label unless disabled
 103     if (!HasFlag(wxST_NO_AUTORESIZE))
 104         SetSize( GetBestSize() );
 105 }
 106
 107 bool wxStaticText::SetFont( const wxFont &font )
 108 {
 109     bool ret = wxControl::SetFont(font);
 110
 111     // adjust the label size to the new label unless disabled
 112     if (!HasFlag(wxST_NO_AUTORESIZE))
 113     {
 114         InvalidateBestSize();
 115         SetSize( GetBestSize() );
 116     }
 117     return ret;
 118 }
 119
 120 void wxStaticText::DoSetSize(int x, int y,
 121                            int width, int height,
 122                            int sizeFlags )
 123 {
 124     wxControl::DoSetSize( x, y, width, height, sizeFlags );
 125 }
 126
 127 wxSize wxStaticText::DoGetBestSize() const
 128 {
 129     // Do not return any arbitrary default value...
 130     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 131
 132     // This resets the internal GTK1 size calculation, which
 133     // otherwise would be cashed (incorrectly)
 134     gtk_label_set_pattern( GTK_LABEL(m_widget), NULL );
 135
 136     // GetBestSize is supposed to return unwrapped size
 137     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 138
 139     GtkRequisition req;
 140     req.width = -1;
 141     req.height = -1;
 142     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 143         (m_widget, &req );
 144
 145     gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 146
 147     return wxSize (req.width, req.height);
 148 }
 149
 150 bool wxStaticText::SetForegroundColour(const wxColour& colour)
 151 {
 152     // First, we call the base class member
 153     wxControl::SetForegroundColour(colour);
 154     // Then, to force the color change, we set the label with the current label
 155     SetLabel(GetLabel());
 156     return true;
 157 }
 158
 159 // static
 160 wxVisualAttributes
 161 wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 162 {
 163     return GetDefaultAttributesFromGTKWidget(gtk_label_new);
 164 }
 165
 166 #endif // wxUSE_STATTEXT