Patch from issue 975 on behalf of Phil: "Proposition of a patch right Pannel (new visual rendering <-> icons instead of text)"

It moreover better handle workflow changes: no need to restart RT for some options.

rtgui/guiutils.cc

@@ -351,3 +351,48 @@ bool MyFileChooserButton::on_scroll_event (GdkEventScroll* event) {
 	// ... otherwise the scroll event is sent back to an upper level
 	return false;
 }
+
+TextOrIcon::TextOrIcon (Glib::ustring fname, Glib::ustring labelTx, Glib::ustring tooltipTx, TOITypes type) {
+
+	imgIcon = 0;
+	label = 0;
+	filename = fname;
+	labelText = labelTx;
+	tooltipText = tooltipTx;
+
+	switchTo(type);
+}
+
+TextOrIcon::~TextOrIcon () {
+	if (imgIcon) delete imgIcon;
+	if (label) delete label;
+}
+
+void TextOrIcon::switchTo(TOITypes type) {
+	switch (type) {
+	case (TOI_ICON):
+		if (!imgIcon) {
+			removeIfThere(this, label, false);
+			delete label;
+			label = 0;
+			imgIcon = new Gtk::Image (filename);
+			pack_start(*imgIcon, Gtk::PACK_SHRINK, 0);
+			set_tooltip_markup ("<span font_size=\"large\" font_weight=\"bold\">" + labelText  + "</span>\n" + tooltipText);
+		}
+		// do nothing if imgIcon exist, which mean that it is currently being displayed
+		break;
+	case(TOI_TEXT):
+	default:
+		if (!label) {
+			removeIfThere(this, imgIcon, false);
+			delete imgIcon;
+			imgIcon = 0;
+			label = new Gtk::Label (labelText, Gtk::ALIGN_CENTER);
+			pack_start(*label, Gtk::PACK_EXPAND_WIDGET, 0);
+			set_tooltip_markup (tooltipText);
+		}
+		// do nothing if label exist, which mean that it is currently being displayed
+		break;
+	}
+	show_all();
+}