diff options
| author | Matthias Melcher <github@matthiasm.com> | 2025-12-22 23:12:25 +0100 |
|---|---|---|
| committer | Matthias Melcher <github@matthiasm.com> | 2025-12-22 23:12:42 +0100 |
| commit | 33199dab785daaa7c6c5733021ad0cab48e0e1dd (patch) | |
| tree | 7430470aace60b830659ca4d229727aa1f6f6112 /fluid/nodes/Widget_Node.cxx | |
| parent | d0d2e104e9d5303ac897f5d1faca582e619180b2 (diff) | |
FLUID: Add support for lambda callbacks.
Starting the callback text with a '[' assumes that
the rest of the callback is a lambda and generates
inlined code for it.
Diffstat (limited to 'fluid/nodes/Widget_Node.cxx')
| -rw-r--r-- | fluid/nodes/Widget_Node.cxx | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fluid/nodes/Widget_Node.cxx b/fluid/nodes/Widget_Node.cxx index e711c03f0..b74560f05 100644 --- a/fluid/nodes/Widget_Node.cxx +++ b/fluid/nodes/Widget_Node.cxx @@ -1499,7 +1499,7 @@ void Widget_Node::write_static(fld::io::Code_Writer& f) { if (strchr(c, '[') == nullptr) f.write_c("%s *%s=(%s *)0;\n", t, c, t); else f.write_c("%s *%s={(%s *)0};\n", t, c, t); } - if (callback() && !is_name(callback())) { + if (callback() && !is_name(callback()) && (callback()[0] != '[')) { // see if 'o' or 'v' used, to prevent unused argument warnings: int use_o = 0; int use_v = 0; @@ -1883,7 +1883,16 @@ void Widget_Node::write_widget_code(fld::io::Code_Writer& f) { const char* ud = user_data(); if (class_name(1) && !parent->is_widget()) ud = "this"; if (callback()) { - f.write_c("%s%s->callback((Fl_Callback*)%s", f.indent(), var, callback_name(f)); + if (callback()[0] == '[') { + f.write_c("%s%s->callback(\n", f.indent(), var); + f.tag(Mergeback::Tag::GENERIC, Mergeback::Tag::WIDGET_CALLBACK, 0); + f.write_c_indented(callback(), 1, 0); + f.write_c("\n"); + f.tag(Mergeback::Tag::WIDGET_CALLBACK, Mergeback::Tag::GENERIC, get_uid()); + f.write_c("%s", f.indent_plus(1)); + } else { + f.write_c("%s%s->callback((Fl_Callback*)%s", f.indent(), var, callback_name(f)); + } if (ud) f.write_c(", (void*)(%s));\n", ud); else |