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/*
This file is part of Warzone 2100.
Copyright (C) 2020 Warzone 2100 Project
Warzone 2100 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Warzone 2100 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Definitions for clip rect functions.
*
* This widget will render only the childrens that are visible, and whose rectangle is contained in the clip rect's rectangle.
*/
#ifndef __INCLUDED_LIB_WIDGET_CLIPRECT_H__
#define __INCLUDED_LIB_WIDGET_CLIPRECT_H__
#include "widget.h"
class ClipRectWidget : public WIDGET
{
public:
ClipRectWidget() : WIDGET() {}
void runRecursive(W_CONTEXT *psContext) override;
std::shared_ptr<WIDGET> findMouseTargetRecursive(W_CONTEXT *psContext, WIDGET_KEY key, bool wasPressed) override;
void displayRecursive(WidgetGraphicsContext const &context) override;
bool setTopOffset(uint16_t value);
bool setLeftOffset(uint16_t value);
uint16_t getTopOffset();
bool isChildVisible(const std::shared_ptr<WIDGET>& child);
int parentRelativeXOffset(int coord) const override;
int parentRelativeYOffset(int coord) const override;
private:
glm::ivec2 offset = {0, 0};
};
#endif // __INCLUDED_LIB_WIDGET_CLIPRECT_H__
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