src/gtk1/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk1/stattext.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Copyright:   (c) 1998 Robert Roebling
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 // For compilers that support precompilation, includes "wx.h".
  10 #include "wx/wxprec.h"
  11
  12 #if wxUSE_STATTEXT
  13
  14 #include "wx/stattext.h"
  15 #include "wx/gtk1/private.h"
  16
  17 #include "gdk/gdk.h"
  18 #include "gtk/gtk.h"
  19
  20 extern "C"
  21 void wxgtk_window_size_request_callback(GtkWidget *widget,
  22                                         GtkRequisition *requisition,
  23                                         wxWindow *win);
  24
  25 //-----------------------------------------------------------------------------
  26 // wxStaticText
  27 //-----------------------------------------------------------------------------
  28
  29 wxStaticText::wxStaticText()
  30 {
  31 }
  32
  33 wxStaticText::wxStaticText(wxWindow *parent,
  34                            wxWindowID id,
  35                            const wxString &label,
  36                            const wxPoint &pos,
  37                            const wxSize &size,
  38                            long style,
  39                            const wxString &name)
  40 {
  41   Create( parent, id, label, pos, size, style, name );
  42 }
  43
  44 bool wxStaticText::Create(wxWindow *parent,
  45                           wxWindowID id,
  46                           const wxString &label,
  47                           const wxPoint &pos,
  48                           const wxSize &size,
  49                           long style,
  50                           const wxString &name )
  51 {
  52     m_needParent = TRUE;
  53
  54     if (!PreCreation( parent, pos, size ) ||
  55         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  56     {
  57         wxFAIL_MSG( wxT("wxStaticText creation failed") );
  58         return FALSE;
  59     }
  60
  61     m_label = label;
  62     m_widget = gtk_label_new( wxGTK_CONV( GTKRemoveMnemonics(label)) );
  63
  64     GtkJustification justify;
  65     if ( style & wxALIGN_CENTER )
  66       justify = GTK_JUSTIFY_CENTER;
  67     else if ( style & wxALIGN_RIGHT )
  68       justify = GTK_JUSTIFY_RIGHT;
  69     else // wxALIGN_LEFT is 0
  70       justify = GTK_JUSTIFY_LEFT;
  71     gtk_label_set_justify(GTK_LABEL(m_widget), justify);
  72
  73     // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2
  74     static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
  75     gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
  76
  77         gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
  78
  79     m_parent->DoAddChild( this );
  80
  81     PostCreation(size);
  82
  83     return TRUE;
  84 }
  85
  86 wxString wxStaticText::GetLabel() const
  87 {
  88     GtkLabel *label = GTK_LABEL(m_widget);
  89     wxString str = wxString( label->label );
  90     return wxString(str);
  91 }
  92
  93 void wxStaticText::SetLabel( const wxString &label )
  94 {
  95     wxCHECK_RET( m_widget != NULL, wxT("invalid static text") );
  96
  97     GTKSetLabelForLabel(GTK_LABEL(m_widget), label);
  98
  99     // adjust the label size to the new label unless disabled
 100     if (!HasFlag(wxST_NO_AUTORESIZE))
 101         SetSize( GetBestSize() );
 102 }
 103
 104 bool wxStaticText::SetFont( const wxFont &font )
 105 {
 106     bool ret = wxControl::SetFont(font);
 107
 108     // adjust the label size to the new label unless disabled
 109     if (!HasFlag(wxST_NO_AUTORESIZE))
 110     {
 111         InvalidateBestSize();
 112         SetSize( GetBestSize() );
 113     }
 114     return ret;
 115 }
 116
 117 void wxStaticText::DoSetSize(int x, int y,
 118                            int width, int height,
 119                            int sizeFlags )
 120 {
 121     wxControl::DoSetSize( x, y, width, height, sizeFlags );
 122 }
 123
 124 wxSize wxStaticText::DoGetBestSize() const
 125 {
 126     // Do not return any arbitrary default value...
 127     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 128
 129     // This resets the internal GTK1 size calculation, which
 130     // otherwise would be cashed (incorrectly)
 131     gtk_label_set_pattern( GTK_LABEL(m_widget), NULL );
 132
 133     // GetBestSize is supposed to return unwrapped size
 134     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 135
 136     GtkRequisition req;
 137     req.width = -1;
 138     req.height = -1;
 139     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 140         (m_widget, &req );
 141
 142     gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 143
 144     return wxSize (req.width, req.height);
 145 }
 146
 147 bool wxStaticText::SetForegroundColour(const wxColour& colour)
 148 {
 149     // First, we call the base class member
 150     wxControl::SetForegroundColour(colour);
 151     // Then, to force the color change, we set the label with the current label
 152     SetLabel(GetLabel());
 153     return true;
 154 }
 155
 156 // static
 157 wxVisualAttributes
 158 wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 159 {
 160     return GetDefaultAttributesFromGTKWidget(gtk_label_new);
 161 }
 162
 163 #endif // wxUSE_STATTEXT