From e93b9bbc02e2791f3a35b6f077fcbb8514c28aed Mon Sep 17 00:00:00 2001
From: Jedidiah Barber <contact@jedbarber.id.au>
Date: Sun, 12 Jan 2025 01:14:58 +1300
Subject: Refactored draw/handle methods in Widgets hierarchy, improved docs,
 added a few minor method bindings here and there

---
 src/c_fl_wizard.cpp | 70 +++++++++++++++++++++++++----------------------------
 1 file changed, 33 insertions(+), 37 deletions(-)

(limited to 'src/c_fl_wizard.cpp')

diff --git a/src/c_fl_wizard.cpp b/src/c_fl_wizard.cpp
index 1aeb0e5..d826ca6 100644
--- a/src/c_fl_wizard.cpp
+++ b/src/c_fl_wizard.cpp
@@ -6,34 +6,37 @@
 
 #include <FL/Fl_Wizard.H>
 #include "c_fl_wizard.h"
-#include "c_fl_type.h"
 
 
 
 
+//  Exports from Ada
+
+extern "C" void widget_draw_hook(void * ud);
+extern "C" int widget_handle_hook(void * ud, int e);
+
+
+
+
+//  Attaching all relevant hooks and friends
+
 class My_Wizard : public Fl_Wizard {
-    public:
-        using Fl_Wizard::Fl_Wizard;
-        friend void wizard_set_draw_hook(WIZARD w, void * d);
-        friend void fl_wizard_draw(WIZARD w);
-        friend void wizard_set_handle_hook(WIZARD w, void * h);
-        friend int fl_wizard_handle(WIZARD w, int e);
-    protected:
-        void draw();
-        void real_draw();
-        int handle(int e);
-        int real_handle(int e);
-        d_hook_p draw_hook;
-        h_hook_p handle_hook;
+public:
+    using Fl_Wizard::Fl_Wizard;
+
+    friend void fl_wizard_draw(WIZARD w);
+    friend int fl_wizard_handle(WIZARD w, int e);
+
+    void draw();
+    void real_draw();
+    int handle(int e);
 };
 
 void My_Wizard::draw() {
-    (*draw_hook)(this->user_data());
+    widget_draw_hook(this->user_data());
 }
 
 void My_Wizard::real_draw() {
-    //Fl_Wizard::draw();
-
     // required because of Fl_Wizard::draw() being private
     // probably a bug in FLTK?
     Fl_Widget *kid = value();
@@ -50,31 +53,13 @@ void My_Wizard::real_draw() {
 }
 
 int My_Wizard::handle(int e) {
-    return (*handle_hook)(this->user_data(), e);
+    return widget_handle_hook(this->user_data(), e);
 }
 
-int My_Wizard::real_handle(int e) {
-    return Fl_Wizard::handle(e);
-}
-
-void wizard_set_draw_hook(WIZARD w, void * d) {
-    reinterpret_cast<My_Wizard*>(w)->draw_hook = reinterpret_cast<d_hook_p>(d);
-}
-
-void fl_wizard_draw(WIZARD w) {
-    reinterpret_cast<My_Wizard*>(w)->real_draw();
-}
-
-void wizard_set_handle_hook(WIZARD w, void * h) {
-    reinterpret_cast<My_Wizard*>(w)->handle_hook = reinterpret_cast<h_hook_p>(h);
-}
-
-int fl_wizard_handle(WIZARD w, int e) {
-    return reinterpret_cast<My_Wizard*>(w)->real_handle(e);
-}
 
 
 
+//  Flattened C API
 
 WIZARD new_fl_wizard(int x, int y, int w, int h, char* label) {
     My_Wizard *g = new My_Wizard(x, y, w, h, label);
@@ -108,3 +93,14 @@ void fl_wizard_set_visible(WIZARD w, void * i) {
 }
 
 
+
+
+void fl_wizard_draw(WIZARD w) {
+    reinterpret_cast<My_Wizard*>(w)->real_draw();
+}
+
+int fl_wizard_handle(WIZARD w, int e) {
+    return reinterpret_cast<My_Wizard*>(w)->Fl_Wizard::handle(e);
+}
+
+
-- 
cgit