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-rw-r--r--src/c_fl_chart.cpp69
1 files changed, 31 insertions, 38 deletions
diff --git a/src/c_fl_chart.cpp b/src/c_fl_chart.cpp
index c3667a2..56bfb80 100644
--- a/src/c_fl_chart.cpp
+++ b/src/c_fl_chart.cpp
@@ -6,62 +6,44 @@
#include <FL/Fl_Chart.H>
#include "c_fl_chart.h"
-#include "c_fl_type.h"
-class My_Chart : public Fl_Chart {
- public:
- using Fl_Chart::Fl_Chart;
- friend void chart_set_draw_hook(CHART n, void * d);
- friend void fl_chart_draw(CHART n);
- friend void chart_set_handle_hook(CHART n, void * h);
- friend int fl_chart_handle(CHART n, 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;
-};
+// Exports from Ada
-void My_Chart::draw() {
- (*draw_hook)(this->user_data());
-}
+extern "C" void widget_draw_hook(void * ud);
+extern "C" int widget_handle_hook(void * ud, int e);
-void My_Chart::real_draw() {
- Fl_Chart::draw();
-}
-int My_Chart::handle(int e) {
- return (*handle_hook)(this->user_data(), e);
-}
-int My_Chart::real_handle(int e) {
- return Fl_Chart::handle(e);
-}
-void chart_set_draw_hook(CHART n, void * d) {
- reinterpret_cast<My_Chart*>(n)->draw_hook = reinterpret_cast<d_hook_p>(d);
-}
+// Attaching all relevant hooks and friends
-void fl_chart_draw(CHART n) {
- reinterpret_cast<My_Chart*>(n)->real_draw();
-}
+class My_Chart : public Fl_Chart {
+public:
+ using Fl_Chart::Fl_Chart;
+
+ friend void fl_chart_draw(CHART n);
+ friend int fl_chart_handle(CHART n, int e);
+
+ void draw();
+ int handle(int e);
+};
-void chart_set_handle_hook(CHART n, void * h) {
- reinterpret_cast<My_Chart*>(n)->handle_hook = reinterpret_cast<h_hook_p>(h);
+void My_Chart::draw() {
+ widget_draw_hook(this->user_data());
}
-int fl_chart_handle(CHART n, int e) {
- return reinterpret_cast<My_Chart*>(n)->real_handle(e);
+int My_Chart::handle(int e) {
+ return widget_handle_hook(this->user_data(), e);
}
+// Flattened C API
+
CHART new_fl_chart(int x, int y, int w, int h, char* label) {
My_Chart *b = new My_Chart(x, y, w, h, label);
return b;
@@ -156,3 +138,14 @@ void fl_chart_set_textsize(CHART b, int s) {
}
+
+
+void fl_chart_draw(CHART n) {
+ reinterpret_cast<My_Chart*>(n)->Fl_Chart::draw();
+}
+
+int fl_chart_handle(CHART n, int e) {
+ return reinterpret_cast<My_Chart*>(n)->Fl_Chart::handle(e);
+}
+
+