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authorAndrei Karas <akaras@inbox.ru>2014-03-02 12:15:59 +0300
committerAndrei Karas <akaras@inbox.ru>2014-03-02 12:15:59 +0300
commite710a36d3905b50861edf21f4b5ac5a79cb5ee05 (patch)
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Join gui classes in one.
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-/*
- * The ManaPlus Client
- * 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/>.
- */
-
-/* _______ __ __ __ ______ __ __ _______ __ __
- * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
- * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
- * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
- * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
- * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
- * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
- *
- * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
- *
- *
- * Per Larsson a.k.a finalman
- * Olof Naessén a.k.a jansem/yakslem
- *
- * Visit: http://guichan.sourceforge.net
- *
- * License: (BSD)
- * 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. Neither the name of Guichan nor the names of its contributors may
- * be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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 COPYRIGHT
- * OWNER OR CONTRIBUTORS 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.
- */
-
-#ifndef GCN_GUI_HPP
-#define GCN_GUI_HPP
-
-#include <list>
-#include <deque>
-
-#include "localconsts.h"
-
-class Event;
-class FocusHandler;
-class Graphics;
-class KeyEvent;
-class KeyListener;
-class MouseInput;
-class SDLInput;
-class Widget;
-
-namespace gcn
-{
- // The following comment will appear in the doxygen main page.
- /**
- * @mainpage
- * @section Introduction
- * This documentation is mostly intended as a reference to the API.
- * If you want to get started with Guichan, we suggest you check out
- * the programs in the examples directory of the Guichan release.
- * @n
- * @n
- * This documentation is, and will always be, work in progress.
- * If you find any errors, typos or inconsistencies, or if you feel
- * something needs to be explained in more detail - don't hesitate to
- * tell us.
- */
-
- /**
- * Contains a Guichan GUI. This is the core class of Guichan to which
- * implementations of back ends are passed, to make Guichan work with
- * a specific library, and to where the top widget (root widget of GUI)
- * is added. If you want to be able to have more then one widget in your
- * GUI, the top widget should be a container.
- *
- * A Gui object cannot work properly without passing back end
- * implementations to it. A Gui object must have an implementation of a
- * Graphics and an implementation of Input.
- *
- * NOTE: A complete GUI also must have the ability to load images.
- * Images are loaded with the Image class, so to make Guichan
- * able to load images an implementation of ImageLoader must be
- * passed to Image.
- *
- * @see Graphics, Input, Image
- */
- class Gui
- {
- public:
- /**
- * Constructor.
- */
- Gui();
-
- A_DELETE_COPY(Gui)
-
- /**
- * Destructor.
- */
- virtual ~Gui();
-
- /**
- * Sets the top widget. The top widget is the root widget
- * of the GUI. If you want a GUI to be able to contain more
- * than one widget the top widget should be a container.
- *
- * @param top The top widget.
- * @see Container
- * @since 0.1.0
- */
- virtual void setTop(Widget* top);
-
- /**
- * Gets the top widget. The top widget is the root widget
- * of the GUI.
- *
- * @return The top widget. NULL if no top widget has been set.
- * @since 0.1.0
- */
- virtual Widget* getTop() const A_WARN_UNUSED;
-
- /**
- * Sets the graphics object to use for drawing.
- *
- * @param graphics The graphics object to use for drawing.
- * @see getGraphics, AllegroGraphics, HGEGraphics,
- * OpenLayerGraphics, OpenGLGraphics, SDLGraphics
- * @since 0.1.0
- */
- virtual void setGraphics(Graphics* graphics);
-
- /**
- * Gets the graphics object used for drawing.
- *
- * @return The graphics object used for drawing. NULL if no
- * graphics object has been set.
- * @see setGraphics, AllegroGraphics, HGEGraphics,
- * OpenLayerGraphics, OpenGLGraphics, SDLGraphics
- * @since 0.1.0
- */
- virtual Graphics* getGraphics() const A_WARN_UNUSED;
-
- /**
- * Sets the input object to use for input handling.
- *
- * @param input The input object to use for input handling.
- * @see getInput, AllegroInput, HGEInput, OpenLayerInput,
- * SDLInput
- * @since 0.1.0
- */
- virtual void setInput(SDLInput* input);
-
- /**
- * Gets the input object being used for input handling.
- *
- * @return The input object used for handling input. NULL if no
- * input object has been set.
- * @see setInput, AllegroInput, HGEInput, OpenLayerInput,
- * SDLInput
- * @since 0.1.0
- */
- virtual SDLInput* getInput() const A_WARN_UNUSED;
-
- /**
- * Performs logic of the GUI. By calling this function all logic
- * functions down in the GUI heirarchy will be called. When logic
- * is called for Gui, user input will be handled.
- *
- * @see Widget::logic
- * @since 0.1.0
- */
- virtual void logic();
-
- /**
- * Draws the GUI. By calling this funcion all draw functions
- * down in the GUI hierarchy will be called. When draw is called
- * the used Graphics object will be initialised and drawing of
- * the top widget will commence.
- *
- * @see Widget::draw
- * @since 0.1.0
- */
- virtual void draw();
-
- /**
- * Focuses none of the widgets in the Gui.
- *
- * @since 0.1.0
- */
- virtual void focusNone();
-
- /**
- * Sets tabbing enabled, or not. Tabbing is the usage of
- * changing focus by utilising the tab key.
- *
- * @param tabbing True if tabbing should be enabled, false
- * otherwise.
- * @see isTabbingEnabled
- * @since 0.1.0
- */
- virtual void setTabbingEnabled(bool tabbing);
-
- /**
- * Checks if tabbing is enabled.
- *
- * @return True if tabbing is enabled, false otherwise.
- * @see setTabbingEnabled
- * @since 0.1.0
- */
- virtual bool isTabbingEnabled();
-
- /**
- * Adds a global key listener to the Gui. A global key listener
- * will receive all key events generated from the GUI and global
- * key listeners will receive the events before key listeners
- * of widgets.
- *
- * @param keyListener The key listener to add.
- * @see removeGlobalKeyListener
- * @since 0.5.0
- */
- virtual void addGlobalKeyListener(KeyListener* keyListener);
-
- /**
- * Removes global key listener from the Gui.
- *
- * @param keyListener The key listener to remove.
- * @throws Exception if the key listener hasn't been added.
- * @see addGlobalKeyListener
- * @since 0.5.0
- */
- virtual void removeGlobalKeyListener(KeyListener* keyListener);
-
- protected:
- /**
- * Handles all mouse input.
- *
- * @since 0.6.0
- */
- virtual void handleMouseInput();
-
- /**
- * Handles key input.
- *
- * @since 0.6.0
- */
- virtual void handleKeyInput();
-
- /**
- * Handles mouse moved input.
- *
- * @param mouseInput The mouse input to handle.
- * @since 0.6.0
- */
- virtual void handleMouseMoved(const MouseInput& mouseInput);
-
- /**
- *
- * Handles mouse wheel moved down input.
- *
- * @param mouseInput The mouse input to handle.
- * @since 0.6.0
- */
- virtual void handleMouseWheelMovedDown(const MouseInput& mouseInput);
-
- /**
- * Handles mouse wheel moved up input.
- *
- * @param mouseInput The mouse input to handle.
- * @since 0.6.0
- */
- virtual void handleMouseWheelMovedUp(const MouseInput& mouseInput);
-
- /**
- * Handles modal focus. Modal focus needs to be checked at
- * each logic iteration as it might be necessary to distribute
- * mouse entered or mouse exited events.
- *
- * @since 0.8.0
- */
- virtual void handleModalFocus();
-
- /**
- * Handles modal mouse input focus. Modal mouse input focus needs
- * to be checked at each logic iteration as it might be necessary to
- * distribute mouse entered or mouse exited events.
- *
- * @since 0.8.0
- */
- virtual void handleModalMouseInputFocus();
-
- /**
- * Handles modal focus gained. If modal focus has been gained it might
- * be necessary to distribute mouse entered or mouse exited events.
- *
- * @since 0.8.0
- */
- virtual void handleModalFocusGained();
-
- /**
- * Handles modal mouse input focus gained. If modal focus has been
- * gained it might be necessary to distribute mouse entered or mouse
- * exited events.
- *
- * @since 0.8.0
- */
- virtual void handleModalFocusReleased();
-
- /**
- * Distributes a mouse event.
- *
- * @param type The type of the event to distribute,
- * @param button The button of the event (if any used) to distribute.
- * @param x The x coordinate of the event.
- * @param y The y coordinate of the event.
- * @param fource indicates whether the distribution should be forced or not.
- * A forced distribution distributes the event even if a widget
- * is not enabled, not visible, another widget has modal
- * focus or another widget has modal mouse input focus.
- * Default value is false.
- * @param toSourceOnly indicates whether the distribution should be to the
- * source widget only or to it's parent's mouse listeners
- * as well.
- *
- * @since 0.6.0
- */
- virtual void distributeMouseEvent(Widget* source,
- int type,
- int button,
- int x,
- int y,
- bool force = false,
- bool toSourceOnly = false);
-
- /**
- * Distributes a key event.
- *
- * @param keyEvent The key event to distribute.
-
- * @since 0.6.0
- */
- virtual void distributeKeyEvent(KeyEvent& keyEvent);
-
- /**
- * Distributes a key event to the global key listeners.
- *
- * @param keyEvent The key event to distribute.
- *
- * @since 0.6.0
- */
- virtual void distributeKeyEventToGlobalKeyListeners(KeyEvent&
- keyEvent);
-
- /**
- * Gets the widget at a certain position.
- *
- * @return The widget at a certain position.
- * @since 0.6.0
- */
- virtual Widget* getWidgetAt(int x, int y) A_WARN_UNUSED;
-
- /**
- * Gets the source of the mouse event.
- *
- * @return The source widget of the mouse event.
- * @since 0.6.0
- */
- virtual Widget* getMouseEventSource(int x, int y) A_WARN_UNUSED;
-
- /**
- * Gets the source of the key event.
- *
- * @return The source widget of the key event.
- * @since 0.6.0
- */
- virtual Widget* getKeyEventSource() A_WARN_UNUSED;
-
- /**
- * Holds the top widget.
- */
- Widget* mTop;
-
- /**
- * Holds the graphics implementation used.
- */
- Graphics* mGraphics;
-
- /**
- * Holds the input implementation used.
- */
- SDLInput* mInput;
-
- /**
- * Holds the focus handler for the Gui.
- */
- FocusHandler* mFocusHandler;
-
- /**
- * True if tabbing is enabled, false otherwise.
- */
- bool mTabbing;
-
- /**
- * Typedef.
- */
- typedef std::list<KeyListener*> KeyListenerList;
-
- /**
- * Typedef.
- */
- typedef KeyListenerList::iterator KeyListenerListIterator;
-
- /**
- * Holds the global key listeners of the Gui.
- */
- KeyListenerList mKeyListeners;
-
- /**
- * True if shift is pressed, false otherwise.
- */
- bool mShiftPressed;
-
- /**
- * True if meta is pressed, false otherwise.
- */
- bool mMetaPressed;
-
- /**
- * True if control is pressed, false otherwise.
- */
- bool mControlPressed;
-
- /**
- * True if alt is pressed, false otherwise.
- */
- bool mAltPressed;
-
- /**
- * Holds the last mouse button pressed.
- */
- unsigned int mLastMousePressButton;
-
- /**
- * Holds the last mouse press time stamp.
- */
- int mLastMousePressTimeStamp;
-
- /**
- * Holds the last mouse x coordinate.
- */
- int mLastMouseX;
-
- /**
- * Holds the last mouse y coordinate.
- */
- int mLastMouseY;
-
- /**
- * Holds the current click count. Used to keep track
- * of clicks for a the last pressed button.
- */
- int mClickCount;
-
- /**
- * Holds the last button used when a drag of a widget
- * was initiated. Used to be able to release a drag
- * when the same button is released.
- */
- int mLastMouseDragButton;
-
- /**
- * Holds a stack with all the widgets with the mouse.
- * Used to properly distribute mouse events.
- */
- std::deque<Widget*> mWidgetWithMouseQueue;
- };
-} // namespace gcn
-
-#endif // end GCN_GUI_HPP
-
-/* yakslem - "Women, it's a constant struggle."
- * finalman - "Yes, but sometimes they succeed with their guesses."
- * yaklsem - "...eh...I was talking about love."
- * finalman - "Oh...ok..."
- * An awkward silence followed.
- */