From 6f1e7c19776d10878db0eb674339cf656972811f Mon Sep 17 00:00:00 2001
From: Jedidiah Barber <contact@jedbarber.id.au>
Date: Wed, 27 Nov 2024 12:32:46 +1300
Subject: Fl_Cairo_Window binding added

---
 src/c_fl_cairo_window.cpp | 110 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 src/c_fl_cairo_window.cpp

(limited to 'src/c_fl_cairo_window.cpp')

diff --git a/src/c_fl_cairo_window.cpp b/src/c_fl_cairo_window.cpp
new file mode 100644
index 0000000..59b03ed
--- /dev/null
+++ b/src/c_fl_cairo_window.cpp
@@ -0,0 +1,110 @@
+
+
+//  Programmed by Jedidiah Barber
+//  Released into the public domain
+
+
+#include <FL/Fl_Cairo_Window.H>
+#include <FL/Fl_Double_Window.H>
+#include "c_fl_cairo_window.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_Cairo_Window :
+#ifdef FLTK_HAVE_CAIRO
+public Fl_Cairo_Window
+#else
+public Fl_Double_Window
+#endif
+{
+public:
+#ifdef FLTK_HAVE_CAIRO
+    using Fl_Cairo_Window::Fl_Cairo_Window;
+#else
+    using Fl_Double_Window::Fl_Double_Window;
+#endif
+
+    friend void fl_cairo_window_draw(CAIROWINDOW w);
+
+    int handle(int e);
+
+protected:
+    void draw();
+};
+
+
+void My_Cairo_Window::draw() {
+    widget_draw_hook(this->user_data());
+}
+
+int My_Cairo_Window::handle(int e) {
+    return widget_handle_hook(this->user_data(), e);
+}
+
+
+
+
+//  Flattened C API begins here
+
+CAIROWINDOW new_fl_cairo_window(int x, int y, int w, int h, char * label) {
+    My_Cairo_Window *c = new My_Cairo_Window(x, y, w, h, label);
+    return c;
+}
+
+CAIROWINDOW new_fl_cairo_window2(int w, int h, char * label) {
+    My_Cairo_Window *c = new My_Cairo_Window(w, h, label);
+    return c;
+}
+
+CAIROWINDOW new_fl_cairo_window3(int w, int h) {
+    My_Cairo_Window *c = new My_Cairo_Window(w, h);
+    return c;
+}
+
+void free_fl_cairo_window(CAIROWINDOW w) {
+    delete reinterpret_cast<My_Cairo_Window*>(w);
+}
+
+
+
+
+void fl_cairo_window_set_draw_cb(CAIROWINDOW w, void * cb) {
+    #ifdef FLTK_HAVE_CAIRO
+    reinterpret_cast<Fl_Cairo_Window*>(w)->set_draw_cb(reinterpret_cast<cairo_draw_cb>(cb));
+    #else
+    (void)(w);
+    (void)(cb);
+    #endif
+}
+
+
+
+
+void fl_cairo_window_draw(CAIROWINDOW w) {
+    #ifdef FLTK_HAVE_CAIRO
+    reinterpret_cast<My_Cairo_Window*>(w)->Fl_Cairo_Window::draw();
+    #else
+    reinterpret_cast<My_Cairo_Window*>(w)->Fl_Double_Window::draw();
+    #endif
+}
+
+int fl_cairo_window_handle(CAIROWINDOW w, int e) {
+    #ifdef FLTK_HAVE_CAIRO
+    return reinterpret_cast<My_Cairo_Window*>(w)->Fl_Cairo_Window::handle(e);
+    #else
+    return reinterpret_cast<My_Cairo_Window*>(w)->Fl_Double_Window::handle(e);
+    #endif
+}
+
+
-- 
cgit