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Diffstat (limited to 'src/gui/widgets/widget.h')
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diff --git a/src/gui/widgets/widget.h b/src/gui/widgets/widget.h deleted file mode 100644 index bb41054d2..000000000 --- a/src/gui/widgets/widget.h +++ /dev/null @@ -1,1181 +0,0 @@ -/* - * The ManaPlus Client - * Copyright (C) 2011-2017 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 GUI_WIDGETS_WIDGET_H -#define GUI_WIDGETS_WIDGET_H - -#include "enums/simpletypes/visible.h" - -#include "gui/rect.h" - -#include "gui/widgets/widget2.h" - -#include <list> - -#include "localconsts.h" - -class ActionListener; -class WidgetDeathListener; -class FocusHandler; -class FocusListener; -class Font; -class Graphics; -class KeyListener; -class MouseListener; -class WidgetListener; - -/** - * Abstract class for widgets of Guichan. It contains basic functions - * every widget should have. - * - * NOTE: Functions begining with underscore "_" should not - * be overloaded unless you know what you are doing - * - * @author Olof Naessén - * @author Per Larsson. - */ -class Widget notfinal : public Widget2 -{ - public: - friend class BasicContainer; - - /** - * Constructor. Resets member variables. Noteable, a widget is not - * focusable as default, therefore, widgets that are supposed to be - * focusable should overide this default in their own constructor. - */ - explicit Widget(const Widget2 *const widget); - - A_DELETE_COPY(Widget) - - /** - * Default destructor. - */ - virtual ~Widget(); - - /** - * Draws the widget. It is called by the parent widget when it is time - * for the widget to draw itself. The graphics object is set up so - * that all drawing is relative to the widget, i.e coordinate (0,0) is - * the top left corner of the widget. It is not possible to draw - * outside of a widget's dimension. - * - * @param graphics aA graphics object to draw with. - */ - virtual void draw(Graphics *const graphics) A_NONNULL(2) = 0; - - virtual void safeDraw(Graphics *const graphics) A_NONNULL(2) = 0; - - /** - * Called when a widget is given a chance to draw a frame around itself. - * The frame is not considered a part of the widget, it only allows a frame - * to be drawn around the widget, thus a frame will never be included when - * calculating if a widget should receive events from user input. Also - * a widget's frame will never be included when calculating a widget's - * position. - * - * The size of the frame is calculated using the widget's frame size. - * If a widget has a frame size of 10 pixels than the area the drawFrame - * function can draw to will be the size of the widget with an additional - * extension of 10 pixels in each direction. - * - * An example when drawFrame is a useful function is if a widget needs - * a glow around itself. - * - * @param graphics A graphics object to draw with. - * @see setFrameSize, getFrameSize - */ - virtual void drawFrame(Graphics* graphics A_UNUSED) A_NONNULL(2) - { } - - virtual void safeDrawFrame(Graphics* graphics A_UNUSED) A_NONNULL(2) - { } - - /** - * Sets the size of the widget's frame. The frame is not considered a part of - * the widget, it only allows a frame to be drawn around the widget, thus a frame - * will never be included when calculating if a widget should receive events - * from user input. Also a widget's frame will never be included when calculating - * a widget's position. - * - * A frame size of 0 means that the widget has no frame. The default frame size - * is 0. - * - * @param frameSize The size of the widget's frame. - * @see getFrameSize, drawFrame - */ - void setFrameSize(const unsigned int frameSize) noexcept2 - { mFrameSize = frameSize; } - - /** - * Gets the size of the widget's frame. The frame is not considered a part of - * the widget, it only allows a frame to be drawn around the widget, thus a frame - * will never be included when calculating if a widget should receive events - * from user input. Also a widget's frame will never be included when calculating - * a widget's position. - * - * A frame size of 0 means that the widget has no frame. The default frame size - * is 0. - * - * @return The size of the widget's frame. - * @see setFrameSize, drawFrame - */ - unsigned int getFrameSize() const noexcept2 A_WARN_UNUSED - { return mFrameSize; } - - /** - * Called for all widgets in the gui each time Gui::logic is called. - * You can do logic stuff here like playing an animation. - * - * @see Gui::logic - */ - virtual void logic() - { } - - /** - * Gets the widget's parent container. - * - * @return The widget's parent container. NULL if the widget - * has no parent. - */ - Widget* getParent() const noexcept2 A_WARN_UNUSED - { return mParent; } - - /** - * Sets the width of the widget. - * - * @param width The width of the widget. - * @see getWidth, setHeight, getHeight, setSize, - * setDimension, getDimensi - */ - void setWidth(const int width); - - /** - * Gets the width of the widget. - * - * @return The width of the widget. - * @see setWidth, setHeight, getHeight, setSize, - * setDimension, getDimension - */ - int getWidth() const noexcept2 A_WARN_UNUSED - { return mDimension.width; } - - /** - * Sets the height of the widget. - * - * @param height The height of the widget. - * @see getHeight, setWidth, getWidth, setSize, - * setDimension, getDimension - */ - void setHeight(const int height); - - /** - * Gets the height of the widget. - * - * @return The height of the widget. - * @see setHeight, setWidth, getWidth, setSize, - * setDimension, getDimension - */ - int getHeight() const noexcept2 A_WARN_UNUSED - { return mDimension.height; } - - /** - * Sets the size of the widget. - * - * @param width The width of the widget. - * @param height The height of the widget. - * @see setWidth, setHeight, getWidth, getHeight, - * setDimension, getDimension - */ - void setSize(const int width, const int height); - - /** - * Sets the x coordinate of the widget. The coordinate is - * relateive to the widget's parent. - * - * @param x The x coordinate of the widget. - * @see getX, setY, getY, setPosition, setDimension, getDimension - */ - void setX(const int x); - - /** - * Gets the x coordinate of the widget. The coordinate is - * relative to the widget's parent. - * - * @return The x coordinate of the widget. - * @see setX, setY, getY, setPosition, setDimension, getDimension - */ - int getX() const noexcept2 A_WARN_UNUSED - { return mDimension.x; } - - /** - * Sets the y coordinate of the widget. The coordinate is - * relative to the widget's parent. - * - * @param y The y coordinate of the widget. - * @see setY, setX, getX, setPosition, setDimension, getDimension - */ - void setY(const int y); - - /** - * Gets the y coordinate of the widget. The coordinate is - * relative to the widget's parent. - * - * @return The y coordinate of the widget. - * @see setY, setX, getX, setPosition, setDimension, getDimension - */ - int getY() const noexcept2 A_WARN_UNUSED - { return mDimension.y; } - - /** - * Sets position of the widget. The position is relative - * to the widget's parent. - * - * @param x The x coordinate of the widget. - * @param y The y coordinate of the widget. - * @see setX, getX, setY, getY, setDimension, getDimension - */ - void setPosition(const int x, const int y); - - /** - * Sets the dimension of the widget. The dimension is - * relative to the widget's parent. - * - * @param dimension The dimension of the widget. - * @see getDimension, setX, getX, setY, getY, setPosition - */ - void setDimension(const Rect& dimension); - - /** - * Gets the dimension of the widget. The dimension is - * relative to the widget's parent. - * - * @return The dimension of the widget. - * @see getDimension, setX, getX, setY, getY, setPosition - */ - const Rect& getDimension() const noexcept2 A_WARN_UNUSED - { return mDimension; } - - /** - * Sets the widget to be fosusable, or not. - * - * @param focusable True if the widget should be focusable, - * false otherwise. - * @see isFocusable - */ - void setFocusable(const bool focusable); - - /** - * Checks if a widget is focsable. - * - * @return True if the widget should be focusable, false otherwise. - * @see setFocusable - */ - bool isFocusable() const A_WARN_UNUSED; - - /** - * Checks if the widget is focused. - * - * @return True if the widget is focused, false otherwise. - */ - virtual bool isFocused() const A_WARN_UNUSED; - - /** - * Sets the widget to enabled, or not. A disabled - * widget will never recieve mouse or key events. - * - * @param enabled True if widget should be enabled, - * false otherwise. - * @see isEnabled - */ - void setEnabled(const bool enabled) noexcept2 - { mEnabled = enabled; } - - /** - * Checks if the widget is enabled. A disabled - * widget will never recieve mouse or key events. - * - * @return True if widget is enabled, false otherwise. - * @see setEnabled - */ - bool isEnabled() const A_WARN_UNUSED; - - /** - * Sets the widget to be visible, or not. - * - * @param visible True if widget should be visible, false otherwise. - * @see isVisible - */ - void setVisible(Visible visible); - - /** - * Checks if the widget is visible. - * - * @return True if widget is be visible, false otherwise. - * @see setVisible - */ - bool isVisible() const A_WARN_UNUSED - { - return mVisible == Visible_true && - ((mParent == nullptr) || mParent->isVisible()); - } - - /** - * Sets the base color of the widget. - * - * @param color The baseground color. - * @see getBaseColor - */ - void setBaseColor(const Color& color) noexcept2 - { mBaseColor = color; } - - /** - * Gets the base color. - * - * @return The base color. - * @see setBaseColor - */ - const Color& getBaseColor() const noexcept2 A_WARN_UNUSED - { return mBaseColor; } - - /** - * Sets the foreground color. - * - * @param color The foreground color. - * @see getForegroundColor - */ - void setForegroundColor(const Color& color) noexcept2 - { mForegroundColor = color; } - - /** - * Gets the foreground color. - * - * @see setForegroundColor - */ - const Color& getForegroundColor() const noexcept2 A_WARN_UNUSED - { return mForegroundColor; } - - /** - * Sets the background color. - * - * @param color The background Color. - * @see setBackgroundColor - */ - void setBackgroundColor(const Color &color) noexcept2 - { mBackgroundColor = color; } - - /** - * Gets the background color. - * - * @see setBackgroundColor - */ - const Color &getBackgroundColor() const noexcept2 A_WARN_UNUSED - { return mBackgroundColor; } - - /** - * Requests focus for the widget. A widget will only recieve focus - * if it is focusable. - */ - virtual void requestFocus(); - - /** - * Requests a move to the top in the parent widget. - */ - virtual void requestMoveToTop(); - - /** - * Requests a move to the bottom in the parent widget. - */ - virtual void requestMoveToBottom(); - - /** - * Sets the focus handler to be used. - * - * WARNING: This function is used internally and should not - * be called or overloaded unless you know what you - * are doing. - * - * @param focusHandler The focus handler to use. - * @see getFocusHandler - */ - virtual void setFocusHandler(FocusHandler *const focusHandler); - - /** - * Gets the focus handler used. - * - * WARNING: This function is used internally and should not - * be called or overloaded unless you know what you - * are doing. - * - * @return The focus handler used. - * @see setFocusHandler - */ - FocusHandler* getFocusHandler() noexcept2 A_WARN_UNUSED - { return mFocusHandler; } - - /** - * Adds an action listener to the widget. When an action event - * is fired by the widget the action listeners of the widget - * will get notified. - * - * @param actionListener The action listener to add. - * @see removeActionListener - */ - void addActionListener(ActionListener *const actionListener); - - /** - * Removes an added action listener from the widget. - * - * @param actionListener The action listener to remove. - * @see addActionListener - */ - void removeActionListener(ActionListener *const actionListener); - - /** - * Adds a death listener to the widget. When a death event is - * fired by the widget the death listeners of the widget will - * get notified. - * - * @param deathListener The death listener to add. - * @see removeDeathListener - */ - void addDeathListener(WidgetDeathListener *const deathListener); - - /** - * Removes an added death listener from the widget. - * - * @param deathListener The death listener to remove. - * @see addDeathListener - */ - void removeDeathListener(WidgetDeathListener *const deathListener); - - /** - * Adds a mouse listener to the widget. When a mouse event is - * fired by the widget the mouse listeners of the widget will - * get notified. - * - * @param mouseListener The mouse listener to add. - * @see removeMouseListener - */ - void addMouseListener(MouseListener *const mouseListener); - - /** - * Removes an added mouse listener from the widget. - * - * @param mouseListener The mouse listener to remove. - * @see addMouseListener - */ - void removeMouseListener(MouseListener *const mouseListener); - - /** - * Adds a key listener to the widget. When a key event is - * fired by the widget the key listeners of the widget will - * get notified. - * - * @param keyListener The key listener to add. - * @see removeKeyListener - */ - void addKeyListener(KeyListener *const keyListener); - - /** - * Removes an added key listener from the widget. - * - * @param keyListener The key listener to remove. - * @see addKeyListener - */ - void removeKeyListener(KeyListener *const keyListener); - - /** - * Adds a focus listener to the widget. When a focus event is - * fired by the widget the key listeners of the widget will - * get notified. - * - * @param focusListener The focus listener to add. - * @see removeFocusListener - */ - void addFocusListener(FocusListener *const focusListener); - - /** - * Removes an added focus listener from the widget. - * - * @param focusListener The focus listener to remove. - * @see addFocusListener - */ - void removeFocusListener(FocusListener *const focusListener); - - /** - * Adds a widget listener to the widget. When a widget event is - * fired by the widget the key listeners of the widget will - * get notified. - * - * @param widgetListener The widget listener to add. - * @see removeWidgetListener - */ - void addWidgetListener(WidgetListener *const widgetListener); - - /** - * Removes an added widget listener from the widget. - * - * @param widgetListener The widget listener to remove. - * @see addWidgetListener - */ - void removeWidgetListener(WidgetListener *const widgetListener); - - /** - * Sets the action event identifier of the widget. The identifier is - * used to be able to identify which action has occured. - * - * NOTE: An action event identifier should not be used to identify a - * certain widget but rather a certain event in your application. - * Several widgets can have the same action event identifer. - * - * @param actionEventId The action event identifier. - * @see getActionEventId - */ - void setActionEventId(const std::string &actionEventId) noexcept2 - { mActionEventId = actionEventId; } - - /** - * Gets the action event identifier of the widget. - * - * @return The action event identifier of the widget. - * @see setActionEventId - */ - const std::string &getActionEventId() const noexcept2 - { return mActionEventId; } - - /** - * Gets the absolute position on the screen for the widget. - * - * @param x The absolute x coordinate will be stored in this parameter. - * @param y The absolute y coordinate will be stored in this parameter. - */ - virtual void getAbsolutePosition(int& x, int& y) const; - - /** - * Sets the parent of the widget. A parent must be a BasicContainer. - * - * WARNING: This function is used internally and should not - * be called or overloaded unless you know what you - * are doing. - * - * @param parent The parent of the widget. - * @see getParent - */ - virtual void setParent(Widget* parent) - { mParent = parent; } - - /** - * Gets the font set for the widget. If no font has been set, - * the global font will be returned. If no global font has been set, - * the default font will be returend. - * - * @return The font set for the widget. - * @see setFont, setGlobalFont - */ - Font *getFont() const RETURNS_NONNULL A_WARN_UNUSED; - - /** - * Sets the global font to be used by default for all widgets. - * - * @param font The global font. - * @see getGlobalFont - */ - static void setGlobalFont(Font *const font); - - static Font *getGloablFont() - { return mGlobalFont; } - - static void cleanGlobalFont() - { mGlobalFont = nullptr; } - - /** - * Sets the font for the widget. If NULL is passed, the global font - * will be used. - * - * @param font The font to set for the widget. - * @see getFont - */ - void setFont(Font *const font); - - /** - * Called when the font has changed. If the change is global, - * this function will only be called if the widget doesn't have a - * font already set. - */ - virtual void fontChanged() - { } - - /** - * Checks if a widget exists or not, that is if it still exists - * an instance of the object. - * - * @param widget The widget to check. - * @return True if an instance of the widget exists, false otherwise. - */ - static bool widgetExists(const Widget *const widget) A_WARN_UNUSED; - - /** - * Checks if tab in is enabled. Tab in means that you can set focus - * to this widget by pressing the tab button. If tab in is disabled - * then the focus handler will skip this widget and focus the next - * in its focus order. - * - * @return True if tab in is enabled, false otherwise. - * @see setTabInEnabled - */ - bool isTabInEnabled() const noexcept2 A_WARN_UNUSED - { return mTabIn; } - - /** - * Sets tab in enabled, or not. Tab in means that you can set focus - * to this widget by pressing the tab button. If tab in is disabled - * then the FocusHandler will skip this widget and focus the next - * in its focus order. - * - * @param enabled True if tab in should be enabled, false otherwise. - * @see isTabInEnabled - */ - void setTabInEnabled(const bool enabled) noexcept2 - { mTabIn = enabled; } - - /** - * Checks if tab out is enabled. Tab out means that you can lose - * focus to this widget by pressing the tab button. If tab out is - * disabled then the FocusHandler ignores tabbing and focus will - * stay with this widget. - * - * @return True if tab out is enabled, false otherwise. - * @see setTabOutEnabled - */ - bool isTabOutEnabled() const noexcept2 A_WARN_UNUSED - { return mTabOut; } - - /** - * Sets tab out enabled. Tab out means that you can lose - * focus to this widget by pressing the tab button. If tab out is - * disabled then the FocusHandler ignores tabbing and focus will - * stay with this widget. - * - * @param enabled True if tab out should be enabled, false otherwise. - * @see isTabOutEnabled - */ - void setTabOutEnabled(const bool enabled) noexcept2 - { mTabOut = enabled; } - - /** - * Requests modal focus. When a widget has modal focus, only that - * widget and it's children may recieve input. - * - * @throws Exception if another widget already has modal focus. - * @see releaseModalFocus, isModalFocused - */ - void requestModalFocus(); - - /** - * Requests modal mouse input focus. When a widget has modal input focus - * that widget will be the only widget receiving input even if the input - * occurs outside of the widget and no matter what the input is. - * - * @throws Exception if another widget already has modal focus. - * @see releaseModalMouseInputFocus, isModalMouseInputFocused - */ - virtual void requestModalMouseInputFocus(); - - /** - * Releases modal focus. Modal focus will only be released if the - * widget has modal focus. - * - * @see requestModalFocus, isModalFocused - */ - virtual void releaseModalFocus(); - - /** - * Releases modal mouse input focus. Modal mouse input focus will only - * be released if the widget has modal mouse input focus. - * - * @see requestModalMouseInputFocus, isModalMouseInputFocused - */ - virtual void releaseModalMouseInputFocus(); - - /** - * Checks if the widget or it's parent has modal focus. - * - * @return True if the widget has modal focus, false otherwise. - * @see requestModalFocus, releaseModalFocus - */ - virtual bool isModalFocused() const A_WARN_UNUSED; - - /** - * Checks if the widget or it's parent has modal mouse input focus. - * - * @return True if the widget has modal mouse input focus, false - * otherwise. - * @see requestModalMouseInputFocus, releaseModalMouseInputFocus - */ - virtual bool isModalMouseInputFocused() const A_WARN_UNUSED; - - /** - * Gets a widget from a certain position in the widget. - * This function is used to decide which gets mouse input, - * thus it can be overloaded to change that behaviour. - * - * NOTE: This always returns NULL if the widget is not - * a container. - * - * @param x The x coordinate of the widget to get. - * @param y The y coordinate of the widget to get. - * @return The widget at the specified coodinate, NULL - * if no widget is found. - */ - virtual Widget *getWidgetAt(int x A_UNUSED, - int y A_UNUSED) A_WARN_UNUSED - { return nullptr; } - - /** - * Gets the mouse listeners of the widget. - * - * @return The mouse listeners of the widget. - */ - const std::list<MouseListener*>& getMouseListeners() const - A_CONST A_WARN_UNUSED; - - /** - * Gets the key listeners of the widget. - * - * @return The key listeners of the widget. - */ - const std::list<KeyListener*>& getKeyListeners() const - A_CONST A_WARN_UNUSED; - - /** - * Gets the focus listeners of the widget. - * - * @return The focus listeners of the widget. - */ - const std::list<FocusListener*>& getFocusListeners() const - A_CONST A_WARN_UNUSED; - - /** - * Gets the area of the widget occupied by the widget's children. - * By default this method returns an empty rectangle as not all - * widgets are containers. If you want to make a container this - * method should return the area where the children resides. This - * method is used when drawing children of a widget when computing - * clip rectangles for the children. - * - * An example of a widget that overloads this method is ScrollArea. - * A ScrollArea has a view of its contant and that view is the - * children area. The size of a ScrollArea's children area might - * vary depending on if the scroll bars of the ScrollArea is shown - * or not. - * - * @return The area of the widget occupied by the widget's children. - * @see BasicContainer - * @see BasicContainer::getChildrenArea - * @see BasicContainer::drawChildren - */ - virtual Rect getChildrenArea() A_WARN_UNUSED; - - /** - * Gets the internal focus handler used. - * - * @return the internalFocusHandler used. If no internal focus handler - * is used, NULL will be returned. - * @see setInternalFocusHandler - */ - virtual FocusHandler* getInternalFocusHandler() A_WARN_UNUSED; - - /** - * Sets the internal focus handler. An internal focus handler is - * needed if both a widget in the widget and the widget itself - * should be foucsed at the same time. - * - * @param focusHandler The internal focus handler to be used. - * @see getInternalFocusHandler - */ - void setInternalFocusHandler(FocusHandler *const internalFocusHandler); - - /** - * Moves a widget to the top of this widget. The moved widget will be - * drawn above all other widgets in this widget. - * - * @param widget The widget to move to the top. - * @see moveToBottom - */ - virtual void moveToTop(Widget* widget A_UNUSED) - { } - - /** - * Moves a widget in this widget to the bottom of this widget. - * The moved widget will be drawn below all other widgets in this widget. - * - * @param widget The widget to move to the bottom. - * @see moveToTop - */ - virtual void moveToBottom(Widget* widget A_UNUSED) - { } - - /** - * Focuses the next widget in the widget. - * - * @see moveToBottom - */ - virtual void focusNext() - { } - - /** - * Focuses the previous widget in the widget. - * - * @see moveToBottom - */ - virtual void focusPrevious() - { } - - /** - * Tries to show a specific part of a widget by moving it. Used if the - * widget should act as a container. - * - * @param widget The target widget. - * @param area The area to show. - */ - virtual void showWidgetPart(Widget *const widget A_UNUSED, - const Rect &area A_UNUSED) - { } - - /** - * Sets an id of a widget. An id can be useful if a widget needs to be - * identified in a container. For example, if widgets are created by an - * XML document, a certain widget can be retrieved given that the widget - * has an id. - * - * @param id The id to set to the widget. - * @see getId - */ - void setId(const std::string& id) - { mId = id; } - - const std::string& getId() const noexcept2 A_WARN_UNUSED - { return mId; } - - /** - * Shows a certain part of a widget in the widget's parent. - * Used when widgets want a specific part to be visible in - * its parent. An example is a TextArea that wants a specific - * part of its text to be visible when a TextArea is a child - * of a ScrollArea. - * - * @param rectangle The rectangle to be shown. - */ - virtual void showPart(const Rect &rectangle); - - bool isAllowLogic() const noexcept2 A_WARN_UNUSED - { return mAllowLogic; } - - void setMouseConsume(const bool b) noexcept2 - { mMouseConsume = b; } - - bool isMouseConsume() const noexcept2 A_WARN_UNUSED - { return mMouseConsume; } - - void setRedraw(const bool b) noexcept2 - { mRedraw = b; } - - virtual bool isSelectable() const noexcept2 A_WARN_UNUSED - { return mSelectable; } - - void setSelectable(const bool selectable) noexcept2 - { mSelectable = selectable; } - - static void distributeWindowResizeEvent(); - - void windowResized(); - - static Widget *callPostInit(Widget *const widget) RETURNS_NONNULL; - - virtual void postInit() - { } - - /** - * True if the widget visible, false otherwise. - */ - Visible mVisible; - - protected: - /** - * Distributes an action event to all action listeners - * of the widget. - */ - void distributeActionEvent(); - - /** - * Distributes resized events to all of the widget's listeners. - */ - void distributeResizedEvent(); - - /** - * Distributes moved events to all of the widget's listeners. - */ - void distributeMovedEvent(); - - /** - * Distributes hidden events to all of the widget's listeners. - * - * @author Olof Naessén - */ - void distributeHiddenEvent(); - - /** - * Distributes shown events to all of the widget's listeners. - * - * @author Olof Naessén - */ - void distributeShownEvent(); - - /** - * Typdef. - */ - typedef std::list<MouseListener*> MouseListenerList; - - /** - * Typdef. - */ - typedef MouseListenerList::iterator MouseListenerIterator; - - /** - * Holds the mouse listeners of the widget. - */ - MouseListenerList mMouseListeners; - - /** - * Typdef. - */ - typedef std::list<KeyListener*> KeyListenerList; - - /** - * Holds the key listeners of the widget. - */ - KeyListenerList mKeyListeners; - - /** - * Typdef. - */ - typedef KeyListenerList::iterator KeyListenerIterator; - - /** - * Typdef. - */ - typedef std::list<ActionListener*> ActionListenerList; - - /** - * Holds the action listeners of the widget. - */ - ActionListenerList mActionListeners; - - /** - * Typdef. - */ - typedef ActionListenerList::iterator ActionListenerIterator; - - /** - * Typdef. - */ - typedef std::list<WidgetDeathListener*> WidgetDeathListenerList; - - /** - * Holds the death listeners of the widget. - */ - WidgetDeathListenerList mDeathListeners; - - /** - * Typdef. - */ - typedef WidgetDeathListenerList::iterator WidgetDeathListenerIterator; - - /** - * Typdef. - */ - typedef std::list<FocusListener*> FocusListenerList; - - /** - * Holds the focus listeners of the widget. - */ - FocusListenerList mFocusListeners; - - /** - * Typdef. - */ - typedef FocusListenerList::iterator FocusListenerIterator; - - typedef std::list<WidgetListener*> WidgetListenerList; - - /** - * Holds the widget listeners of the widget. - */ - WidgetListenerList mWidgetListeners; - - /** - * Typdef. - */ - typedef WidgetListenerList::iterator WidgetListenerIterator; - - /** - * Holds the foreground color of the widget. - */ - Color mForegroundColor; - - /** - * Holds the background color of the widget. - */ - Color mBackgroundColor; - - /** - * Holds the base color of the widget. - */ - Color mBaseColor; - - /** - * Holds the dimension of the widget. - */ - Rect mDimension; - - /** - * Holds the action event of the widget. - */ - std::string mActionEventId; - - /** - * Holds the id of the widget. - */ - std::string mId; - - /** - * Holds the focus handler used by the widget. - */ - FocusHandler* mFocusHandler; - - /** - * Holds the focus handler used by the widget. NULL - * if no internal focus handler is used. - */ - FocusHandler* mInternalFocusHandler; - - /** - * Holds the parent of the widget. NULL if the widget - * has no parent. - */ - Widget* mParent; - - /** - * Holds the font used by the widget. - */ - Font* mCurrentFont; - - /** - * Holds the frame size of the widget. - */ - unsigned int mFrameSize; - - /** - * True if the widget focusable, false otherwise. - */ - bool mFocusable; - - /** - * True if the widget has tab in enabled, false otherwise. - */ - bool mTabIn; - - /** - * True if the widget has tab in enabled, false otherwise. - */ - bool mTabOut; - - /** - * True if the widget is enabled, false otherwise. - */ - bool mEnabled; - - bool mAllowLogic; - - bool mMouseConsume; - - bool mRedraw; - - bool mSelectable; - - /** - * Holds the global font used by the widget. - */ - static Font* mGlobalFont; - - private: - /** - * Holds a list of all instances of widgets. - */ - static std::list<Widget*> mAllWidgets; - - static std::set<Widget*> mAllWidgetsSet; -}; - -#endif // GUI_WIDGETS_WIDGET_H |