show help for the page under mouse when the [?] button is used to request help

[wxWidgets.git] / src / gtk / stattext.cpp

diff --git a/src/gtk/stattext.cpp b/src/gtk/stattext.cpp
index 39664e6f76b62c67be38b988302290acc1881ea7..2641ea02f33db4b7a9c41169d89db99d8dc0c86d 100644 (file)
--- a/src/gtk/stattext.cpp
+++ b/src/gtk/stattext.cpp
@@ -7,16 +7,22 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
-#ifdef __GNUG__
-    #pragma implementation "stattext.h"
-#endif
+#if wxUSE_STATTEXT
 
 #include "wx/stattext.h"
+#include "wx/gtk/private.h"
 
 #include "gdk/gdk.h"
 #include "gtk/gtk.h"
 
+extern "C"
+void wxgtk_window_size_request_callback(GtkWidget *widget,
+                                        GtkRequisition *requisition,
+                                        wxWindow *win);
+
 //-----------------------------------------------------------------------------
 // wxStaticText
 //-----------------------------------------------------------------------------
@@ -51,17 +57,14 @@ bool wxStaticText::Create(wxWindow *parent,
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
     {
-        wxFAIL_MSG( wxT("wxXX creation failed") );
+        wxFAIL_MSG( wxT("wxStaticText creation failed") );
         return FALSE;
     }
 
-    // notice that we call the base class version which will just remove the
-    // '&' characters from the string, but not set the label's text to it
-    // because the label is not yet created and because SetLabel() has a side
-    // effect of changing the control size which might not be desirable
-    wxControl::SetLabel(label);
-    m_widget = gtk_label_new( m_label.mbc_str() );
-    
+    const wxString labelGTK = GTKConvertMnemonics(label);
+    m_label = label;
+    m_widget = gtk_label_new_with_mnemonic(wxGTK_CONV(labelGTK));
+
     GtkJustification justify;
     if ( style & wxALIGN_CENTER )
       justify = GTK_JUSTIFY_CENTER;
@@ -75,49 +78,43 @@ bool wxStaticText::Create(wxWindow *parent,
     static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
     gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
 
-    // do not move this call elsewhere
-    gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
+    gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
 
     m_parent->DoAddChild( this );
 
-    PostCreation();
-    
-    ApplyWidgetStyle();
-
-    wxControl::SetFont( parent->GetFont() );
-    
-    wxSize size_best( DoGetBestSize() );
-    wxSize new_size( size );
-    if (new_size.x == -1)
-        new_size.x = size_best.x;
-    if (new_size.y == -1)
-        new_size.y = size_best.y;
-    if ((new_size.x != size.x) || (new_size.y != size.y))
-        SetSize( new_size.x, new_size.y );
-
-    SetBackgroundColour( parent->GetBackgroundColour() );
-    SetForegroundColour( parent->GetForegroundColour() );
-    Show( TRUE );
+    PostCreation(size);
+
+    // the bug below only happens with GTK 2
+    if ( justify != GTK_JUSTIFY_LEFT )
+    {
+        // if we let GTK call wxgtk_window_size_request_callback the label
+        // always shrinks to its minimal size for some reason and so no
+        // alignment except the default left doesn't work (in fact it does,
+        // but you don't see it)
+        g_signal_handlers_disconnect_by_func (m_widget,
+                                              (gpointer) wxgtk_window_size_request_callback,
+                                              this);
+    }
 
     return TRUE;
 }
 
 wxString wxStaticText::GetLabel() const
 {
-    char *str = (char *) NULL;
-    gtk_label_get( GTK_LABEL(m_widget), &str );
+    GtkLabel *label = GTK_LABEL(m_widget);
+    wxString str = wxGTK_CONV_BACK( gtk_label_get_text( label ) );
 
     return wxString(str);
 }
 
 void wxStaticText::SetLabel( const wxString &label )
 {
-    wxControl::SetLabel(label);
+    wxCHECK_RET( m_widget != NULL, wxT("invalid static text") );
 
-    gtk_label_set( GTK_LABEL(m_widget), m_label.mbc_str() );
+    GTKSetLabelForLabel(GTK_LABEL(m_widget), label);
 
     // adjust the label size to the new label unless disabled
-    if (!HasFlag(wxST_NO_AUTORESIZE))
+    if ( !HasFlag(wxST_NO_AUTORESIZE) )
         SetSize( GetBestSize() );
 }
 
@@ -127,15 +124,18 @@ bool wxStaticText::SetFont( const wxFont &font )
 
     // adjust the label size to the new label unless disabled
     if (!HasFlag(wxST_NO_AUTORESIZE))
+    {
+        InvalidateBestSize();
         SetSize( GetBestSize() );
-    
+    }
     return ret;
 }
 
-void wxStaticText::ApplyWidgetStyle()
+void wxStaticText::DoSetSize(int x, int y,
+                           int width, int height,
+                           int sizeFlags )
 {
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+    wxControl::DoSetSize( x, y, width, height, sizeFlags );
 }
 
 wxSize wxStaticText::DoGetBestSize() const
@@ -143,16 +143,44 @@ wxSize wxStaticText::DoGetBestSize() const
     // Do not return any arbitrary default value...
     wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
 
-    // this invalidates the size request
-    gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
+    // GetBestSize is supposed to return unwrapped size
     gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 
     GtkRequisition req;
-    req.width = 2;
-    req.height = 2;
-    (* GTK_WIDGET_CLASS( GTK_OBJECT(m_widget)->klass )->size_request )
+    req.width = -1;
+    req.height = -1;
+    (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
         (m_widget, &req );
 
-    return wxSize(req.width, req.height);
+    gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
+
+    return wxSize (req.width, req.height);
+}
+
+bool wxStaticText::SetForegroundColour(const wxColour& colour)
+{
+    // First, we call the base class member
+    wxControl::SetForegroundColour(colour);
+    // Then, to force the color change, we set the label with the current label
+    SetLabel(GetLabel());
+    return true;
+}
+
+bool wxStaticText::GTKWidgetNeedsMnemonic() const
+{
+    return true;
+}
+
+void wxStaticText::GTKWidgetDoSetMnemonic(GtkWidget* w)
+{
+    gtk_label_set_mnemonic_widget(GTK_LABEL(m_widget), w);
+}
+
+// static
+wxVisualAttributes
+wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    return GetDefaultAttributesFromGTKWidget(gtk_label_new);
 }
 
+#endif // wxUSE_STATTEXT