From 306adba6ddaab80c6929fe955567f25d9da7915f Mon Sep 17 00:00:00 2001
From: Jed Barber <jjbarber@y7mail.com>
Date: Mon, 1 May 2017 17:45:13 +1000
Subject: Draw method for Text Display and derivatives, concrete Menu_
 derivatives

---
 src/c_fl_menu_button.cpp | 48 +++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 45 insertions(+), 3 deletions(-)

(limited to 'src/c_fl_menu_button.cpp')

diff --git a/src/c_fl_menu_button.cpp b/src/c_fl_menu_button.cpp
index 864dd3e..b49d1aa 100644
--- a/src/c_fl_menu_button.cpp
+++ b/src/c_fl_menu_button.cpp
@@ -4,18 +4,60 @@
 #include "c_fl_menu_button.h"
 
 
+typedef void (hook)(void*);
+typedef hook* hook_p;
+
+
+
+
+class My_Menu_Button : public Fl_Menu_Button {
+    public:
+        using Fl_Menu_Button::Fl_Menu_Button;
+        friend void menu_button_set_draw_hook(MENUBUTTON m, void * d);
+        friend void fl_menu_button_draw(MENUBUTTON m);
+    protected:
+        void draw();
+        void real_draw();
+        hook_p draw_hook;
+};
+
+
+void My_Menu_Button::draw() {
+    (*draw_hook)(this->user_data());
+}
+
+
+void My_Menu_Button::real_draw() {
+    Fl_Menu_Button::draw();
+}
+
+
+void menu_button_set_draw_hook(MENUBUTTON m, void * d) {
+    reinterpret_cast<My_Menu_Button*>(m)->draw_hook = reinterpret_cast<hook_p>(d);
+}
+
+
+void fl_menu_button_draw(MENUBUTTON m) {
+    reinterpret_cast<My_Menu_Button*>(m)->real_draw();
+}
+
+
+
+
 MENUBUTTON new_fl_menu_button(int x, int y, int w, int h, char* label) {
-    Fl_Menu_Button *m = new Fl_Menu_Button(x, y, w, h, label);
+    My_Menu_Button *m = new My_Menu_Button(x, y, w, h, label);
     return m;
 }
 
 
 void free_fl_menu_button(MENUBUTTON m) {
-    delete reinterpret_cast<Fl_Menu_Button*>(m);
+    delete reinterpret_cast<My_Menu_Button*>(m);
 }
 
 
+
+
 void fl_menu_button_type(MENUBUTTON m, unsigned int t) {
-    reinterpret_cast<Fl_Menu_Button*>(m)->type(t);
+    reinterpret_cast<My_Menu_Button*>(m)->type(t);
 }
 
-- 
cgit