/* * The ManaPlus Client * Copyright (C) 2004-2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011-2014 The ManaPlus Developers * * This file is part of The ManaPlus 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/>. */ #ifndef GUI_WIDGETS_SCROLLAREA_H #define GUI_WIDGETS_SCROLLAREA_H #include "gui/widgets/widget2.h" #include "gui/base/widgets/scrollarea.hpp" #include "gui/base/widgetlistener.hpp" #include "localconsts.h" class Image; class ImageCollection; /** * 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! * * \ingroup GUI */ class ScrollArea final : public gcn::ScrollArea, public Widget2, public gcn::WidgetListener { public: /** * Constructor that takes no content. Needed for use with the DropDown * class. */ explicit ScrollArea(const bool opaque = true, const std::string &skin = ""); /** * Constructor. * * @param content the initial content to show in the scroll area */ explicit ScrollArea(gcn::Widget *const widget, const bool opaque = true, const std::string &skin = ""); A_DELETE_COPY(ScrollArea) /** * Destructor. Also deletes the content. */ ~ScrollArea(); /** * Logic function optionally adapts width or height of contents. This * depends on the scrollbar settings. */ void logic() override final; /** * Update the alpha value to the graphic components. */ void updateAlpha(); /** * Draws the scroll area. */ void draw(gcn::Graphics *graphics) override final; /** * Draws the background and border of the scroll area. */ void drawFrame(gcn::Graphics *graphics) override final; /** * 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 A_WARN_UNUSED { return mOpaque; } /** * Called when the mouse moves in the widget area. */ void mouseMoved(gcn::MouseEvent& event) override final; /** * Called when the mouse enteres the widget area. */ void mouseEntered(gcn::MouseEvent& event) override final; /** * Called when the mouse leaves the widget area. */ void mouseExited(gcn::MouseEvent& event) override final; void mousePressed(gcn::MouseEvent& event) override final; void mouseReleased(gcn::MouseEvent& event) override final; void mouseDragged(gcn::MouseEvent &event) override final; void widgetResized(const gcn::Event &event) override final; void widgetMoved(const gcn::Event &event) override final; gcn::Rectangle getVerticalBarDimension() const; gcn::Rectangle getHorizontalBarDimension() const; gcn::Rectangle getVerticalMarkerDimension(); gcn::Rectangle getHorizontalMarkerDimension(); gcn::Rectangle getUpButtonDimension() const; gcn::Rectangle getDownButtonDimension() const; gcn::Rectangle getLeftButtonDimension() const; gcn::Rectangle getRightButtonDimension() const; protected: enum BUTTON_DIR { UP = 0, DOWN, LEFT, RIGHT, BUTTONS_DIR }; /** * Initializes the scroll area. */ void init(std::string skinName); void drawButton(gcn::Graphics *const graphics, const BUTTON_DIR dir); void calcButton(gcn::Graphics *const graphics, const BUTTON_DIR dir); void drawVBar(gcn::Graphics *const graphics) override final; void drawHBar(gcn::Graphics *const graphics) override final; void drawVMarker(gcn::Graphics *const graphics) override final; void drawHMarker(gcn::Graphics *const graphics) override final; void calcVBar(gcn::Graphics *const graphics); void calcHBar(gcn::Graphics *const graphics); void calcVMarker(gcn::Graphics *const graphics); void calcHMarker(gcn::Graphics *const graphics); void updateCalcFlag(gcn::Graphics *const graphics); static int instances; static float mAlpha; static bool mShowButtons; static int mMarkerSize; static int mScrollbarSize; static ImageRect background; static ImageRect vMarker; static ImageRect vMarkerHi; static ImageRect vBackground; static ImageRect hBackground; static Image *buttons[4][2]; int mX, mY; int mClickX, mClickY; ImageCollection *mVertexes; ImageCollection *mVertexes2; int mXOffset; int mYOffset; int mDrawWidth; int mDrawHeight; bool mHasMouse; bool mRedraw; }; #endif // GUI_WIDGETS_SCROLLAREA_H