Draw method implemented for Boxes/Inputs

1 files changed, 45 insertions, 3 deletions

diff --git a/src/c_fl_input.cpp b/src/c_fl_input.cpp
index 4f19bd1..fde9ea8 100644
--- a/src/c_fl_input.cpp
+++ b/src/c_fl_input.cpp
@@ -4,18 +4,60 @@
 #include "c_fl_input.h"
 
 
+typedef void (hook)(void*);
+typedef hook* hook_p;
+
+
+
+
+class My_Input : public Fl_Input {
+    public:
+        using Fl_Input::Fl_Input;
+        friend void input_set_draw_hook(INPUT n, void * d);
+        friend void fl_input_draw(INPUT n);
+    protected:
+        void draw();
+        void real_draw();
+        hook_p draw_hook;
+};
+
+
+void My_Input::draw() {
+    (*draw_hook)(this->user_data());
+}
+
+
+void My_Input::real_draw() {
+    Fl_Input::draw();
+}
+
+
+void input_set_draw_hook(INPUT n, void * d) {
+    reinterpret_cast<My_Input*>(n)->draw_hook = reinterpret_cast<hook_p>(d);
+}
+
+
+void fl_input_draw(INPUT n) {
+    reinterpret_cast<My_Input*>(n)->real_draw();
+}
+
+
+
+
 INPUT new_fl_input(int x, int y, int w, int h, char* label) {
-    Fl_Input *i = new Fl_Input(x, y, w, h, label);
+    My_Input *i = new My_Input(x, y, w, h, label);
     return i;
 }
 
 
 void free_fl_input(INPUT i) {
-    delete reinterpret_cast<Fl_Input*>(i);
+    delete reinterpret_cast<My_Input*>(i);
 }
 
 
+
+
 const char * fl_input_get_value(INPUT i) {
-    return reinterpret_cast<Fl_Input*>(i)->value();
+    return reinterpret_cast<My_Input*>(i)->value();
 }