v01

thirdparty/Pangolin/include/pangolin/var/varextra.h

@@ -0,0 +1,92 @@
+/* This file is part of the Pangolin Project.
+ * http://github.com/stevenlovegrove/Pangolin
+ *
+ * Copyright (c) 2014 Steven Lovegrove
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include <pangolin/platform.h>
+#include <pangolin/var/var.h>
+#include <vector>
+
+namespace pangolin
+{
+
+PANGOLIN_EXPORT
+void ParseVarsFile(const std::string& filename);
+
+PANGOLIN_EXPORT
+void LoadJsonFile(const std::string& filename, const std::string& prefix="");
+
+PANGOLIN_EXPORT
+void SaveJsonFile(const std::string& filename, const std::string& prefix="");
+
+PANGOLIN_EXPORT
+void ProcessHistoricCallbacks(NewVarCallbackFn callback, void* data, const std::string& filter = "");
+
+PANGOLIN_EXPORT
+void RegisterNewVarCallback(NewVarCallbackFn callback, void* data, const std::string& filter = "");
+
+PANGOLIN_EXPORT
+void RegisterGuiVarChangedCallback(GuiVarChangedCallbackFn callback, void* data, const std::string& filter = "");
+
+template<typename T>
+struct SetVarFunctor
+{
+    SetVarFunctor(const std::string& name, T val) : varName(name), setVal(val) {}
+    void operator()() { Var<T>(varName).Ref().Set(setVal); }
+    std::string varName;
+    T setVal;
+};
+
+struct ToggleVarFunctor
+{
+    ToggleVarFunctor(const std::string& name) : varName(name) {}
+    void operator()() { Var<bool> val(varName,false); val = !val; }
+    std::string varName;
+};
+
+inline bool Pushed(Var<bool>& button)
+{
+    bool val = button;
+    button = false;
+    return val;
+}
+
+inline bool Pushed(bool& button)
+{
+    bool val = button;
+    button = false;
+    return val;
+}
+
+template<typename T>
+inline std::ostream& operator<<(std::ostream& s, Var<T>& rhs)
+{
+    s << rhs.operator const T &();
+    return s;
+}
+
+}