fixed SaveDIB() crash with BW images (patch 1045884)

[wxWidgets.git] / src / gtk1 / stattext.cpp

diff --git a/src/gtk1/stattext.cpp b/src/gtk1/stattext.cpp
index b89853149c3583c4e164b02f20df2d0dbac99065..9b5aa5cb2f2faa946d2bfd0c65b38ed36a07e6d6 100644 (file)
--- a/src/gtk1/stattext.cpp
+++ b/src/gtk1/stattext.cpp
@@ -7,16 +7,26 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "stattext.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#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
 //-----------------------------------------------------------------------------
@@ -51,7 +61,7 @@ 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;
     }
 
@@ -60,12 +70,8 @@ bool wxStaticText::Create(wxWindow *parent,
     // 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() );
+    m_widget = gtk_label_new( wxGTK_CONV( m_label ) );
     
-    gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
-
-    SetFont( parent->GetFont() );
-
     GtkJustification justify;
     if ( style & wxALIGN_CENTER )
       justify = GTK_JUSTIFY_CENTER;
@@ -79,23 +85,42 @@ 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);
 
-    SetSizeOrDefault( size );
+    // do not move this call elsewhere
+    gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
 
     m_parent->DoAddChild( this );
 
-    PostCreation();
-
-    SetBackgroundColour( parent->GetBackgroundColour() );
-    SetForegroundColour( parent->GetForegroundColour() );
-    Show( TRUE );
+    PostCreation(size);
+    
+    // the bug below only happens with GTK 2
+#ifdef __WXGTK20__
+    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)
+        gtk_signal_disconnect_by_func
+        (
+            GTK_OBJECT(m_widget),
+            GTK_SIGNAL_FUNC(wxgtk_window_size_request_callback),
+            (gpointer) this
+        );
+    }
+#endif // __WXGTK20__
 
     return TRUE;
 }
 
 wxString wxStaticText::GetLabel() const
 {
-    char *str = (char *) NULL;
-    gtk_label_get( GTK_LABEL(m_widget), &str );
+    GtkLabel *label = GTK_LABEL(m_widget);
+
+#ifdef __WXGTK20__
+    wxString str = wxGTK_CONV_BACK( gtk_label_get_text( label ) );
+#else
+    wxString str = wxString( label->label );
+#endif
 
     return wxString(str);
 }
@@ -104,17 +129,79 @@ void wxStaticText::SetLabel( const wxString &label )
 {
     wxControl::SetLabel(label);
 
-    gtk_label_set( GTK_LABEL(m_widget), m_label.mbc_str() );
+#ifdef __WXGTK20__
+    // Build the colorized version of the label (markup only allowed
+    // under GTK2):
+    if (m_foregroundColour.Ok())
+    {
+        // If the color has been set, create a markup string to pass to
+        // the label setter
+        wxString colorlabel;
+        colorlabel.Printf(_T("<span foreground=\"#%02x%02x%02x\">%s</span>"),
+                          m_foregroundColour.Red(), m_foregroundColour.Green(),
+                          m_foregroundColour.Blue(),
+                          wxEscapeStringForPangoMarkup(label).c_str());
+        gtk_label_set_markup( GTK_LABEL(m_widget), wxGTK_CONV( colorlabel ) );
+    }
+    else
+#endif
+        gtk_label_set( GTK_LABEL(m_widget), wxGTK_CONV( m_label ) );
+
+    // adjust the label size to the new label unless disabled
+    if (!HasFlag(wxST_NO_AUTORESIZE))
+    {
+        InvalidateBestSize();
+        SetSize( GetBestSize() );
+    }
+}
+
+bool wxStaticText::SetFont( const wxFont &font )
+{
+    bool ret = wxControl::SetFont(font);
 
     // adjust the label size to the new label unless disabled
-    if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
+    if (!HasFlag(wxST_NO_AUTORESIZE))
     {
+        InvalidateBestSize();
         SetSize( GetBestSize() );
     }
+    return ret;
+}
+
+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 );
+    gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
+
+    GtkRequisition req;
+    req.width = 2;
+    req.height = 2;
+    (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
+        (m_widget, &req );
+
+    wxSize best(req.width, req.height);
+    CacheBestSize(best);
+    return best;
 }
 
-void wxStaticText::ApplyWidgetStyle()
+bool wxStaticText::SetForegroundColour(const wxColour& colour)
 {
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+    // 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;
 }
+
+// static
+wxVisualAttributes
+wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    return GetDefaultAttributesFromGTKWidget(gtk_label_new);
+}
+
+#endif // wxUSE_STATTEXT