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83 lines
3.1 KiB
C++
Executable File
83 lines
3.1 KiB
C++
Executable File
//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2007-2016 musikcube team
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// * Neither the name of the author nor the names of other contributors may
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// be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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//////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "curses_config.h"
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#include "IScrollAdapter.h"
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#include <deque>
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namespace cursespp {
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class ScrollAdapterBase : public IScrollAdapter {
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public:
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typedef std::function<int64(
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ScrollableWindow*,
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size_t,
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size_t,
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EntryPtr)> ItemDecorator;
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ScrollAdapterBase();
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virtual ~ScrollAdapterBase();
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virtual void SetDisplaySize(size_t width, size_t height);
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virtual size_t GetLineCount();
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virtual void DrawPage(
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ScrollableWindow* window,
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size_t index,
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ScrollPosition *result = nullptr);
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virtual size_t GetEntryCount() = 0;
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virtual EntryPtr GetEntry(cursespp::ScrollableWindow* window, size_t index) = 0;
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virtual void SetItemDecorator(ItemDecorator decorator) { this->decorator = decorator; }
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protected:
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void GetVisibleItems(
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cursespp::ScrollableWindow* window,
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size_t desired,
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std::deque<EntryPtr>& target,
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size_t& start);
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virtual ItemDecorator GetItemDecorator() { return this->decorator; }
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size_t GetWidth() { return this->width; }
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size_t GetHeight() { return this->height; }
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private:
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size_t width, height;
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ItemDecorator decorator;
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};
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}
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