Draw method for Text Display and derivatives, concrete Menu_ derivatives

1 files changed, 48 insertions, 8 deletions

diff --git a/src/c_fl_text_editor.cpp b/src/c_fl_text_editor.cpp
index c28f6fa..a99774f 100644
--- a/src/c_fl_text_editor.cpp
+++ b/src/c_fl_text_editor.cpp
@@ -4,45 +4,85 @@
 #include "c_fl_text_editor.h"
 
 
+typedef void (hook)(void*);
+typedef hook* hook_p;
+
+
+
+
+class My_Text_Editor : public Fl_Text_Editor {
+    public:
+        using Fl_Text_Editor::Fl_Text_Editor;
+        friend void text_editor_set_draw_hook(TEXTEDITOR te, void * d);
+        friend void fl_text_editor_draw(TEXTEDITOR te);
+    protected:
+        void draw();
+        void real_draw();
+        hook_p draw_hook;
+};
+
+
+void My_Text_Editor::draw() {
+    (*draw_hook)(this->user_data());
+}
+
+
+void My_Text_Editor::real_draw() {
+    Fl_Text_Editor::draw();
+}
+
+
+void text_editor_set_draw_hook(TEXTEDITOR te, void * d) {
+    reinterpret_cast<My_Text_Editor*>(te)->draw_hook = reinterpret_cast<hook_p>(d);
+}
+
+
+void fl_text_editor_draw(TEXTEDITOR te) {
+    reinterpret_cast<My_Text_Editor*>(te)->real_draw();
+}
+
+
+
+
 TEXTEDITOR new_fl_text_editor(int x, int y, int w, int h, char* label) {
-    Fl_Text_Editor *te = new Fl_Text_Editor(x, y, w, h, label);
+    My_Text_Editor *te = new My_Text_Editor(x, y, w, h, label);
     return te;
 }
 
 
 void free_fl_text_editor(TEXTEDITOR te) {
-    delete reinterpret_cast<Fl_Text_Editor*>(te);
+    delete reinterpret_cast<My_Text_Editor*>(te);
 }
 
 
 
 
 void fl_text_editor_undo(TEXTEDITOR te) {
-    Fl_Text_Editor::kf_undo(0, reinterpret_cast<Fl_Text_Editor*>(te));
+    My_Text_Editor::kf_undo(0, reinterpret_cast<My_Text_Editor*>(te));
 }
 
 
 void fl_text_editor_cut(TEXTEDITOR te) {
-    Fl_Text_Editor::kf_cut(0, reinterpret_cast<Fl_Text_Editor*>(te));
+    My_Text_Editor::kf_cut(0, reinterpret_cast<My_Text_Editor*>(te));
 }
 
 
 void fl_text_editor_copy(TEXTEDITOR te) {
-    Fl_Text_Editor::kf_copy(0, reinterpret_cast<Fl_Text_Editor*>(te));
+    My_Text_Editor::kf_copy(0, reinterpret_cast<My_Text_Editor*>(te));
 }
 
 
 void fl_text_editor_paste(TEXTEDITOR te) {
-    Fl_Text_Editor::kf_paste(0, reinterpret_cast<Fl_Text_Editor*>(te));
+    My_Text_Editor::kf_paste(0, reinterpret_cast<My_Text_Editor*>(te));
 }
 
 
 void fl_text_editor_delete(TEXTEDITOR te) {
-    Fl_Text_Editor::kf_delete(0, reinterpret_cast<Fl_Text_Editor*>(te));
+    My_Text_Editor::kf_delete(0, reinterpret_cast<My_Text_Editor*>(te));
 }
 
 
 void fl_text_editor_remove_key_binding(TEXTEDITOR te, unsigned int k, unsigned long m) {
-    reinterpret_cast<Fl_Text_Editor*>(te)->remove_key_binding(k, m);
+    reinterpret_cast<My_Text_Editor*>(te)->remove_key_binding(k, m);
 }