shuffle a bit far2l sources

1 files changed, 116 insertions, 0 deletions

diff --git a/far2l/src/TPreRedrawFunc.hpp b/far2l/src/TPreRedrawFunc.hpp
new file mode 100644
index 00000000..aae64be1
--- /dev/null
+++ b/far2l/src/TPreRedrawFunc.hpp
@@ -0,0 +1,116 @@
+#pragma once
+
+/*
+TPreRedrawFunc.hpp
+
+Фоновый апдейт
+
+*/
+/*
+Copyright (c) 2000 Far Group
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the authors may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <WinCompat.h>
+
+typedef void (*PREREDRAWFUNC)();
+
+struct PreRedrawParamStruct
+{
+	DWORD Flags;
+	const void *Param1;
+	const void *Param2;
+	const void *Param3;
+	const void *Param4;
+	int64_t Param5;
+};
+
+struct PreRedrawItem
+{
+	PREREDRAWFUNC PreRedrawFunc;
+	PreRedrawParamStruct Param;
+};
+
+class TPreRedrawFunc
+{
+	private:
+		unsigned int Total;
+
+		struct OneItem
+		{
+			PreRedrawItem Item;
+			OneItem *Next;
+
+			OneItem(struct PreRedrawItem NewItem,OneItem *NextItem) : Item(NewItem), Next(NextItem) {}
+		};
+
+		struct OneItem *Top, *current;
+
+	public:
+		static struct PreRedrawItem errorStack;
+
+	public:
+		TPreRedrawFunc() : Total(0), Top(nullptr) {}
+		~TPreRedrawFunc() { Free(); }
+
+	public:
+		// вернуть количество элементов на стеке
+		unsigned int Size() const { return Total; }
+
+		// взять элемент со стека
+		PreRedrawItem Pop();
+
+		// взять элемент со стека без изменения стека
+		PreRedrawItem Peek();
+
+		// положить элемент на стек
+		PreRedrawItem Push(const PreRedrawItem &Source);
+		PreRedrawItem Push(PREREDRAWFUNC Func,PreRedrawParamStruct *Param=nullptr);
+
+		PreRedrawItem SetParam(const PreRedrawParamStruct &Param);
+
+		// очистить стек
+		void Free();
+
+		bool isEmpty() const {return !Total;}
+
+
+	private:
+		//TPreRedrawFunc& operator=(const TPreRedrawFunc&){return *this;}; /* чтобы не генерировалось */
+		//TPreRedrawFunc(const TPreRedrawFunc&){};            /* по умолчанию            */
+
+		//PREREDRAWFUNC Set(PREREDRAWFUNC fn);
+
+};
+
+extern TPreRedrawFunc PreRedraw;
+
+
+class TPreRedrawFuncGuard
+{
+	public:
+		TPreRedrawFuncGuard(PREREDRAWFUNC Func);
+		~TPreRedrawFuncGuard();
+};