From a90607a136a2896e916263ff7eb9780effe91228 Mon Sep 17 00:00:00 2001
From: rdanbrook <1869094+rdanbrook@users.noreply.github.com>
Date: Tue, 29 Oct 2024 21:09:35 -0600
Subject: [PATCH] FLTK: Grey out the CRT options when the CRT filter isn't
 active

---
 source/fltkui/fltkui.cpp          |  1 +
 source/fltkui/fltkui_settings.cpp | 28 ++++++++++++++++++++++++++++
 source/fltkui/fltkui_settings.h   |  1 +
 3 files changed, 30 insertions(+)

diff --git a/source/fltkui/fltkui.cpp b/source/fltkui/fltkui.cpp
index 07feebf..1ff4a90 100644
--- a/source/fltkui/fltkui.cpp
+++ b/source/fltkui/fltkui.cpp
@@ -614,6 +614,7 @@ void FltkUi::nstwin_open(const char *name) {
 
     // Settings Window
     setwin = new NstSettingsWindow(500, 550, "Settings", *jgm, *setmgr, *inputmgr);
+    setwin->set_crt_active(setmgr->get_setting("v_postproc")->val == 3);
 
     // Main Window
     nstwin = new NstWindow(rw, rh + UI_MBARHEIGHT, name);
diff --git a/source/fltkui/fltkui_settings.cpp b/source/fltkui/fltkui_settings.cpp
index 8bac844..bd1933a 100644
--- a/source/fltkui/fltkui_settings.cpp
+++ b/source/fltkui/fltkui_settings.cpp
@@ -237,6 +237,30 @@ void NstSettingsWindow::set_choice_value(std::string tab, std::string label, int
     }
 }
 
+void NstSettingsWindow::set_crt_active(bool active) {
+    Fl_Group *g = this->as_group()->child(0)->as_group();
+
+    for (int i = 0; i < g->children(); ++i) {
+        if (std::string(g->child(i)->label()) == "Interface") {
+            g = g->child(i)->as_group();
+            break;
+        }
+    }
+
+    for (int i = 0; i < g->children(); ++i) {
+        if (g->child(i)->label()) {
+            if (std::string(g->child(i)->label()).find("CRT") != std::string::npos) {
+                if (active) {
+                    g->child(i)->activate();
+                }
+                else {
+                    g->child(i)->deactivate();
+                }
+            }
+        }
+    }
+}
+
 void NstSettingsWindow::cb_chooser(Fl_Widget *w, void *data) {
     jg_setting_t *setting = (jg_setting_t*)data;
     setting->val = ((Fl_Choice*)w)->value();
@@ -248,6 +272,10 @@ void NstSettingsWindow::cb_chooser(Fl_Widget *w, void *data) {
         jgm.rehash();
     }
 
+    if (std::string(setting->name) == "v_postproc") {
+        set_crt_active(setting->val == 3);
+    }
+
     if (setting->flags & JG_SETTING_INPUT) {
         inputmgr.reassign();
     }
diff --git a/source/fltkui/fltkui_settings.h b/source/fltkui/fltkui_settings.h
index cd4aa00..78a46dc 100644
--- a/source/fltkui/fltkui_settings.h
+++ b/source/fltkui/fltkui_settings.h
@@ -37,6 +37,7 @@ public:
     NstSettingsWindow(int w, int h, const char* t, JGManager& j, SettingManager& m, InputManager& i);
 
     void set_choice_value(std::string tab, std::string label, int val);
+    void set_crt_active(bool active);
     void show_inputmsg(int show);
 
 private: