anonymous_namespace{transparentoverlayviewinfo.cc} Namespace Reference

Functions
void	setToggleButtonColor (GtkWidget *w, PresentationInterface::Ptr const &p)

Function Documentation

setToggleButtonColor()

void anonymous_namespace{transparentoverlayviewinfo.cc}::setToggleButtonColor	(	GtkWidget *	w,
		PresentationInterface::Ptr const &	p
	)

  {
    Colormappable::Ptr const c = boost::dynamic_pointer_cast<Colormappable>(p);
    if(c && p->isPropertyDefined(MONOCHROME_COLORMAPPABLE_PROPERTY_NAME))
    {
      Color const       col           = c->getMonochromeColor();
      GtkCssProvider*   bgCssProvider = gtk_css_provider_new();
      const std::string bgCss         = "* { background-image:none; background-color: #" + col.getHex() + ";}";
 
      // Fill the provider with the correct data bgCss string
      gtk_css_provider_load_from_data(bgCssProvider, bgCss.c_str(), -1, nullptr);
 
      // Get the style context
      GtkStyleContext* bgContext = gtk_widget_get_style_context(w);
 
      // Add the provider
      gtk_style_context_add_provider(bgContext, GTK_STYLE_PROVIDER(bgCssProvider), GTK_STYLE_PROVIDER_PRIORITY_USER);
 
 
      const std::string fgCss         = "* { color: #" + col.getContrastingBlackOrWhite().getHex() + ";}";
      GtkWidget*        label         = gtk_bin_get_child(GTK_BIN(w));
      GtkCssProvider*   fgCssProvider = gtk_css_provider_new();
 
      // Fill the provider with the correct data fgCss string
      gtk_css_provider_load_from_data(fgCssProvider, fgCss.c_str(), -1, nullptr);
 
      // Get the style context
      GtkStyleContext* fgContext = gtk_widget_get_style_context(label);
 
      // Add the provider
      gtk_style_context_add_provider(fgContext, GTK_STYLE_PROVIDER(fgCssProvider), GTK_STYLE_PROVIDER_PRIORITY_USER);
    }
  }

Referenced by TransparentOverlayViewInfo::createToggleToolButton().

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