Gui: expose various overlay UI options to preference pages

2022-11-24 08:00:15 +08:00
parent ba6b2a4375
commit 033f520cc5
12 changed files with 1419 additions and 79 deletions
--- a/src/Gui/ParamHandler.cpp
+++ b/src/Gui/ParamHandler.cpp
@@ -0,0 +1,61 @@
+ /****************************************************************************
+  *   Copyright (c) 2023 Zheng Lei (realthunder) <realthunder.dev@gmail.com> *
+  *                                                                          *
+  *   This file is part of the FreeCAD CAx development system.               *
+  *                                                                          *
+  *   FreeCAD is free software: you can redistribute it and/or modify it     *
+  *   under the terms of the GNU Lesser General Public License as            *
+  *   published by the Free Software Foundation, either version 2.1 of the   *
+  *   License, or (at your option) any later version.                        *
+  *                                                                          *
+  *   FreeCAD is distributed in the hope that it will be useful, but         *
+  *   WITHOUT ANY WARRANTY; without even the implied warranty of             *
+  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU       *
+  *   Lesser General Public License for more details.                        *
+  *                                                                          *
+  *   You should have received a copy of the GNU Lesser General Public       *
+  *   License along with FreeCAD. If not, see                                *
+  *   <https://www.gnu.org/licenses/>.                                       *
+  *                                                                          *
+  ***************************************************************************/
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+#endif
+
+#include "ParamHandler.h"
+
+using namespace Gui;
+
+ParamHandlers::ParamHandlers()
+{
+}
+
+ParamHandlers::~ParamHandlers()
+{
+}
+
+void ParamHandlers::addHandler(const ParamKey &key, const std::shared_ptr<ParamHandler> &handler)
+{
+    if (handlers.empty()) {
+        conn = App::GetApplication().GetUserParameter().signalParamChanged.connect(
+            [this](ParameterGrp *Param, ParameterGrp::ParamType, const char *Name, const char *) {
+                if (!Param || !Name)
+                    return;
+                auto it =  handlers.find(ParamKey(Param, Name));
+                if (it != handlers.end() && it->second->onChange(&it->first)) {
+                    pendings.insert(it->second);
+                    timer.start(100);
+                }
+            });
+
+        timer.setSingleShot(true);
+        QObject::connect(&timer, &QTimer::timeout, [this]() {
+            for (const auto &v : pendings) {
+                v->onTimer();
+            }
+            pendings.clear();
+        });
+    }
+    handlers[key] = handler;
+}