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/*
* The Mana Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
*
* This file is part of The Mana Client.
*
* This program 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
* any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <guichan/widgets/scrollarea.hpp>
/**
* A scroll area.
*
* Contrary to Guichan's scroll area, this scroll area takes ownership over its
* content. However, it won't delete a previously set content widget when
* setContent is called!
*
* Also overrides several functions to support fixed-size scroll bar markers.
*
* \ingroup GUI
*/
class ScrollArea : public gcn::ScrollArea
{
public:
/**
* Constructor that takes no content. Needed for use with the DropDown
* class.
*/
ScrollArea();
/**
* Constructor.
*
* @param content the initial content to show in the scroll area
*/
ScrollArea(gcn::Widget *content);
/**
* Destructor. Also deletes the content.
*/
~ScrollArea() override;
/**
* Sets whether the scroll bar buttons are shown.
*/
void setShowButtons(bool showButtons);
/**
* Logic function optionally adapts width or height of contents. This
* depends on the scrollbar settings.
*/
void logic() override;
/**
* Overridden to draw the frame if its size is 0.
*/
void draw(gcn::Graphics *graphics) override;
/**
* Draws the background and border of the scroll area.
*/
void drawFrame(gcn::Graphics *graphics) override;
/**
* Applies clipping to the contents.
*/
void drawChildren(gcn::Graphics *graphics) override;
/**
* Sets whether the widget should draw its background or not.
*/
void setOpaque(bool opaque);
/**
* Returns whether the widget draws its background or not.
*/
bool isOpaque() const { return mOpaque; }
/**
* Called when the mouse moves in the widget area.
*/
void mouseMoved(gcn::MouseEvent &event) override;
/**
* Called when the mouse enteres the widget area.
*/
void mouseEntered(gcn::MouseEvent &event) override;
/**
* Called when the mouse leaves the widget area.
*/
void mouseExited(gcn::MouseEvent &event) override;
void mousePressed(gcn::MouseEvent &mouseEvent) override;
void mouseDragged(gcn::MouseEvent &mouseEvent) override;
protected:
/**
* Initializes the scroll area.
*/
void init();
void drawBackground(gcn::Graphics *graphics) override;
void drawUpButton(gcn::Graphics *graphics) override;
void drawDownButton(gcn::Graphics *graphics) override;
void drawLeftButton(gcn::Graphics *graphics) override;
void drawRightButton(gcn::Graphics *graphics) override;
void drawVBar(gcn::Graphics *graphics) override;
void drawHBar(gcn::Graphics *graphics) override;
void drawVMarker(gcn::Graphics *graphics) override;
void drawHMarker(gcn::Graphics *graphics) override;
void checkPolicies() override;
/**
* Shadowing these functions from gcn::ScrollArea with versions that
* support hiding the buttons. We need to make sure we always use these
* versions.
*/
gcn::Rectangle getUpButtonDimension();
gcn::Rectangle getDownButtonDimension();
gcn::Rectangle getLeftButtonDimension();
gcn::Rectangle getRightButtonDimension();
gcn::Rectangle getVerticalBarDimension();
gcn::Rectangle getHorizontalBarDimension();
/**
* Shadowing these functions from gcn::ScrollArea with versions that
* supports fixed-size scroll bar markers. We need to make sure we
* always use these versions.
*/
gcn::Rectangle getVerticalMarkerDimension();
gcn::Rectangle getHorizontalMarkerDimension();
int mX = 0;
int mY = 0;
bool mHasMouse = false;
bool mOpaque = true;
bool mShowButtons = true;
};
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