From b4438b2fbe895694be98e6e8426103deefc51448 Mon Sep 17 00:00:00 2001
From: Jedidiah Barber <contact@jedbarber.id.au>
Date: Tue, 21 Jan 2025 21:04:54 +1300
Subject: Split public API and private implementation files into different
 directories

---
 body/c_fl_valuator.cpp | 170 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 body/c_fl_valuator.cpp

(limited to 'body/c_fl_valuator.cpp')

diff --git a/body/c_fl_valuator.cpp b/body/c_fl_valuator.cpp
new file mode 100644
index 0000000..3b4ebba
--- /dev/null
+++ b/body/c_fl_valuator.cpp
@@ -0,0 +1,170 @@
+
+
+//  Programmed by Jedidiah Barber
+//  Released into the public domain
+
+
+#include <FL/Fl_Valuator.H>
+#include "c_fl_valuator.h"
+
+
+
+
+//  Exports from Ada
+
+extern "C" void widget_draw_hook(void * ud);
+extern "C" int widget_handle_hook(void * ud, int e);
+
+extern "C" int valuator_format_hook(void * ud, char * buf);
+
+
+
+
+//  Non-friend protected access
+
+class Friend_Valuator : Fl_Valuator {
+public:
+    using Fl_Valuator::value_damage;
+};
+
+
+
+
+//  Attaching all relevant hooks and friends
+
+class My_Valuator : public Fl_Valuator {
+public:
+    using Fl_Valuator::Fl_Valuator;
+    friend VALUATOR new_fl_valuator(int x, int y, int w, int h, char* label);
+
+    friend void fl_valuator_draw(VALUATOR v);
+    friend int fl_valuator_handle(VALUATOR v, int e);
+
+    int format(char * buf);
+    void draw();
+    int handle(int e);
+};
+
+int My_Valuator::format(char * buf) {
+    return valuator_format_hook(this->user_data(), buf);
+}
+
+void My_Valuator::draw() {
+    widget_draw_hook(this->user_data());
+}
+
+int My_Valuator::handle(int e) {
+    return widget_handle_hook(this->user_data(), e);
+}
+
+
+
+
+//  Flattened C API
+
+VALUATOR new_fl_valuator(int x, int y, int w, int h, char* label) {
+    My_Valuator *v = new My_Valuator(x, y, w, h, label);
+    return v;
+}
+
+void free_fl_valuator(VALUATOR v) {
+    delete static_cast<My_Valuator*>(v);
+}
+
+
+
+
+int fl_valuator_format(VALUATOR v, char * buf) {
+    return static_cast<Fl_Valuator*>(v)->Fl_Valuator::format(buf);
+}
+
+
+
+
+double fl_valuator_clamp(VALUATOR v, double a) {
+    return static_cast<Fl_Valuator*>(v)->clamp(a);
+}
+
+double fl_valuator_round(VALUATOR v, double a) {
+    return static_cast<Fl_Valuator*>(v)->round(a);
+}
+
+double fl_valuator_increment(VALUATOR v, double a, int s) {
+    return static_cast<Fl_Valuator*>(v)->increment(a,s);
+}
+
+
+
+
+double fl_valuator_get_minimum(VALUATOR v) {
+    return static_cast<Fl_Valuator*>(v)->minimum();
+}
+
+void fl_valuator_set_minimum(VALUATOR v, double t) {
+    static_cast<Fl_Valuator*>(v)->minimum(t);
+}
+
+double fl_valuator_get_maximum(VALUATOR v) {
+    return static_cast<Fl_Valuator*>(v)->maximum();
+}
+
+void fl_valuator_set_maximum(VALUATOR v, double t) {
+    static_cast<Fl_Valuator*>(v)->maximum(t);
+}
+
+double fl_valuator_get_step(VALUATOR v) {
+    return static_cast<Fl_Valuator*>(v)->step();
+}
+
+void fl_valuator_set_step_top(VALUATOR v, double t) {
+    static_cast<Fl_Valuator*>(v)->step(t);
+}
+
+void fl_valuator_set_step_bottom(VALUATOR v, int b) {
+    static_cast<Fl_Valuator*>(v)->step(b);
+}
+
+void fl_valuator_set_step(VALUATOR v, double t, int b) {
+    static_cast<Fl_Valuator*>(v)->step(t, b);
+}
+
+double fl_valuator_get_value(VALUATOR v) {
+    return static_cast<Fl_Valuator*>(v)->value();
+}
+
+void fl_valuator_set_value(VALUATOR v, double t) {
+    static_cast<Fl_Valuator*>(v)->value(t);
+}
+
+void fl_valuator_bounds(VALUATOR v, double a, double b) {
+    static_cast<Fl_Valuator*>(v)->bounds(a,b);
+}
+
+void fl_valuator_precision(VALUATOR v, int s) {
+    static_cast<Fl_Valuator*>(v)->precision(s);
+}
+
+void fl_valuator_range(VALUATOR v, double a, double b) {
+    static_cast<Fl_Valuator*>(v)->range(a,b);
+}
+
+
+
+
+void fl_valuator_value_damage(VALUATOR v) {
+    (static_cast<Fl_Valuator*>(v)->*(&Friend_Valuator::value_damage))();
+}
+
+void fl_valuator_draw(VALUATOR v) {
+    //  The Fl_Valuator draw method doesn't technically exist, so...
+    (void)(v);
+    //  It is more convenient for this function to exist, however,
+    //  even though it will likely never be called, because it simplifies
+    //  and makes uniform the implementation of the Ada Valuator Draw subprogram.
+}
+
+int fl_valuator_handle(VALUATOR v, int e) {
+    return static_cast<My_Valuator*>(v)->Fl_Valuator::handle(e);
+}
+
+
-- 
cgit