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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/gui/widgets/window.h')
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+/*
+ * The Mana Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 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/>.
+ */
+
+#ifndef WINDOW_H
+#define WINDOW_H
+
+#include "graphics.h"
+#include "guichanfwd.h"
+
+#include <guichan/widgetlistener.hpp>
+
+#include <guichan/widgets/window.hpp>
+
+#ifdef __GNUC__
+#define _UNUSED_ __attribute__ ((unused))
+#else
+#define _UNUSED_
+#endif
+
+class ContainerPlacer;
+class Layout;
+class LayoutCell;
+class ResizeGrip;
+class Skin;
+class WindowContainer;
+
+/**
+ * A window. This window can be dragged around and has a title bar. Windows are
+ * invisible by default.
+ *
+ * \ingroup GUI
+ */
+class Window : public gcn::Window, gcn::WidgetListener
+{
+ public:
+ /**
+ * Constructor. Initializes the title to the given text and hooks
+ * itself into the window container.
+ *
+ * @param caption The initial window title, "Window" by default.
+ * @param modal Block input to other windows.
+ * @param parent The parent window. This is the window standing above
+ * this one in the window hiearchy. When reordering,
+ * a window will never go below its parent window.
+ * @param skin The location where the window's skin XML can be found.
+ */
+ Window(const std::string &caption = "Window", bool modal = false,
+ Window *parent = NULL, const std::string &skin = "window.xml");
+
+ /**
+ * Destructor. Deletes all the added widgets.
+ */
+ ~Window();
+
+ /**
+ * Sets the window container to be used by new windows.
+ */
+ static void setWindowContainer(WindowContainer *windowContainer);
+
+ /**
+ * Draws the window.
+ */
+ void draw(gcn::Graphics *graphics);
+
+ /**
+ * Sets the size of this window.
+ */
+ void setContentSize(int width, int height);
+
+ /**
+ * Sets the location relative to the given widget.
+ */
+ void setLocationRelativeTo(gcn::Widget *widget);
+
+ /**
+ * Sets the location relative to the given widget (only horisontally)
+ */
+ void setLocationHorisontallyRelativeTo(gcn::Widget *widget);
+
+ /**
+ * Sets the location relative to the given enumerated position.
+ */
+ void setLocationRelativeTo(ImageRect::ImagePosition position,
+ int offsetX = 0, int offsetY = 0);
+
+ /**
+ * Sets whether or not the window can be resized.
+ */
+ void setResizable(bool resize);
+
+ void redraw();
+
+ /**
+ * Called whenever the widget changes size.
+ */
+ void widgetResized(const gcn::Event &event);
+
+ /**
+ * Called whenever the widget is hidden.
+ */
+ virtual void widgetHidden(const gcn::Event& event);
+
+ /**
+ * Sets whether or not the window has a close button.
+ */
+ void setCloseButton(bool flag);
+
+ /**
+ * Returns whether the window can be resized.
+ */
+ bool isResizable() const;
+
+ /**
+ * Sets the minimum width of the window.
+ */
+ void setMinWidth(int width);
+
+ int getMinWidth() const
+ { return mMinWinWidth; }
+
+ /**
+ * Sets the minimum height of the window.
+ */
+ void setMinHeight(int height);
+
+ int getMinHeight() const
+ { return mMinWinHeight; }
+
+ /**
+ * Sets the maximum width of the window.
+ */
+ void setMaxWidth(int width);
+
+ int getMaxWidth() const
+ { return mMaxWinWidth; }
+
+ /**
+ * Sets the minimum height of the window.
+ */
+ void setMaxHeight(int height);
+
+ int getMaxHeight() const
+ { return mMaxWinHeight; }
+
+ /**
+ * Sets flag to show a title or not.
+ */
+ void setShowTitle(bool flag)
+ { mShowTitle = flag; }
+
+ /**
+ * Sets whether or not the window has a sticky button.
+ */
+ void setStickyButton(bool flag);
+
+ /**
+ * Sets whether the window is sticky. A sticky window will not have
+ * its visibility set to false on a general setVisible(false) call.
+ * Use this to set the default before you call loadWindowState().
+ */
+ void setSticky(bool sticky);
+
+ /**
+ * Returns whether the window is sticky.
+ */
+ bool isSticky() const
+ { return mSticky; }
+
+ /**
+ * Overloads window setVisible by Guichan to allow sticky window
+ * handling.
+ */
+ virtual void setVisible(bool visible);
+
+ /**
+ * Overloads window setVisible by Guichan to allow sticky window
+ * handling, or not, if you force the sticky state.
+ */
+ void setVisible(bool visible, bool forceSticky);
+
+ /**
+ * Returns whether the window is visible by default.
+ */
+ bool isDefaultVisible() const
+ { return mDefaultVisible; }
+
+ /**
+ * Sets whether the window is visible by default.
+ */
+ void setDefaultVisible(bool save)
+ { mDefaultVisible = save; }
+
+ /**
+ * Returns whether the window will save it's visibility.
+ */
+ bool willSaveVisible() const
+ { return mSaveVisible; }
+
+ /**
+ * Sets whether the window will save it's visibility.
+ */
+ void setSaveVisible(bool save)
+ { mSaveVisible = save; }
+
+ /**
+ * Returns the parent window.
+ *
+ * @return The parent window or <code>NULL</code> if there is none.
+ */
+ Window *getParentWindow() const
+ { return mParent; }
+
+ /**
+ * Schedule this window for deletion. It will be deleted at the start
+ * of the next logic update.
+ */
+ void scheduleDelete();
+
+ /**
+ * Starts window resizing when appropriate.
+ */
+ void mousePressed(gcn::MouseEvent &event);
+
+ /**
+ * Implements window resizing and makes sure the window is not
+ * dragged/resized outside of the screen.
+ */
+ void mouseDragged(gcn::MouseEvent &event);
+
+ /**
+ * Implements custom cursor image changing context, based on mouse
+ * relative position.
+ */
+ void mouseMoved(gcn::MouseEvent &event);
+
+ /**
+ * When the mouse button has been let go, this ensures that the mouse
+ * custom cursor is restored back to it's standard image.
+ */
+ void mouseReleased(gcn::MouseEvent &event);
+
+ /**
+ * When the mouse leaves the window this ensures that the custom cursor
+ * is restored back to it's standard image.
+ */
+ void mouseExited(gcn::MouseEvent &event);
+
+ /**
+ * Sets the name of the window. This is not the window title.
+ */
+ void setWindowName(const std::string &name)
+ { mWindowName = name; }
+
+ /**
+ * Returns the name of the window. This is not the window title.
+ */
+ const std::string &getWindowName() const
+ { return mWindowName; }
+
+ /**
+ * Reads the position (and the size for resizable windows) in the
+ * configuration based on the given string.
+ * Uses the default values when config values are missing.
+ * Don't forget to set these default values and resizable before
+ * calling this function.
+ */
+ void loadWindowState();
+
+ /**
+ * Saves the window state so that when the window is reloaded, it'll
+ * maintain its previous state and location.
+ */
+ void saveWindowState();
+
+ /**
+ * Set the default win pos and size.
+ * (which can be different of the actual ones.)
+ */
+ void setDefaultSize(int defaultX, int defaultY,
+ int defaultWidth, int defaultHeight);
+
+ /**
+ * Set the default win pos and size to the current ones.
+ */
+ void setDefaultSize();
+
+ /**
+ * Set the default win pos and size.
+ * (which can be different of the actual ones.)
+ * This version of setDefaultSize sets the window's position based
+ * on a relative enumerated position, rather than a coordinate position.
+ */
+ void setDefaultSize(int defaultWidth, int defaultHeight,
+ ImageRect::ImagePosition position,
+ int offsetx = 0, int offsetY = 0);
+
+ /**
+ * Reset the win pos and size to default. Don't forget to set defaults
+ * first.
+ */
+ virtual void resetToDefaultSize();
+
+ /**
+ * Gets the layout handler for this window.
+ */
+ Layout &getLayout();
+
+ /**
+ * Clears the window's layout (useful for redesigning the window). Does
+ * not delete the widgets!
+ */
+ void clearLayout();
+
+ /**
+ * Computes the position of the widgets according to the current
+ * layout. Resizes the window so that the layout fits. Deletes the
+ * layout.
+ * @param w if non-zero, force the window to this width.
+ * @param h if non-zero, force the window to this height.
+ * @note This function is meant to be called with fixed-size windows.
+ */
+ void reflowLayout(int w = 0, int h = 0);
+
+ /**
+ * Adds a widget to the window and sets it at given cell.
+ */
+ LayoutCell &place(int x, int y, gcn::Widget *, int w = 1, int h = 1);
+
+ /**
+ * Returns a proxy for adding widgets in an inner table of the layout.
+ */
+ ContainerPlacer getPlacer(int x, int y);
+
+ /**
+ * Positions the window in the center of it's parent.
+ */
+ void center();
+
+ /**
+ * Positions the window in the horisontal center of it's parent.
+ */
+ void centerHorisontally();
+
+ /**
+ * Overrideable functionality for when the window is to close. This
+ * allows for class implementations to clean up or do certain actions
+ * on window close they couldn't do otherwise.
+ */
+ virtual void close();
+
+ /**
+ * Allows the windows modal status to change
+ */
+ void setModal(bool modal);
+
+ /**
+ * Gets the alpha value used by the window, in a GUIChan usable format.
+ */
+ int getGuiAlpha();
+
+ gcn::Rectangle getWindowArea();
+
+ bool isResizeAllowed(gcn::MouseEvent &event);
+
+ private:
+ enum ResizeHandles
+ {
+ TOP = 0x01,
+ RIGHT = 0x02,
+ BOTTOM = 0x04,
+ LEFT = 0x08
+ };
+
+ /**
+ * Check if the window is off-screen and then move it to be visible
+ * again. This is internally used by loadWindowState
+ * and setVisible(true) members.
+ */
+ void checkIfIsOffScreen(bool partially = true, bool entirely = true);
+
+ /**
+ * Determines if the mouse is in a resize area and returns appropriate
+ * resize handles. Also initializes drag offset in case the resize
+ * grip is used.
+ *
+ * @see ResizeHandles
+ */
+ int getResizeHandles(gcn::MouseEvent &event);
+
+ ResizeGrip *mGrip; /**< Resize grip */
+ Window *mParent; /**< The parent window */
+ Layout *mLayout; /**< Layout handler */
+ std::string mWindowName; /**< Name of the window */
+ bool mShowTitle; /**< Window has a title bar */
+ bool mModal; /**< Window is modal */
+ bool mCloseButton; /**< Window has a close button */
+ bool mDefaultVisible; /**< Window's default visibility */
+ bool mSaveVisible; /**< Window will save visibility */
+ bool mStickyButton; /**< Window has a sticky button */
+ bool mSticky; /**< Window resists hiding*/
+ int mMinWinWidth; /**< Minimum window width */
+ int mMinWinHeight; /**< Minimum window height */
+ int mMaxWinWidth; /**< Maximum window width */
+ int mMaxWinHeight; /**< Maximum window height */
+ int mDefaultX; /**< Default window X position */
+ int mDefaultY; /**< Default window Y position */
+ int mDefaultWidth; /**< Default window width */
+ int mDefaultHeight; /**< Default window height */
+
+ static int mouseResize; /**< Active resize handles */
+ static int instances; /**< Number of Window instances */
+
+ Skin *mSkin; /**< Skin in use by this window */
+
+ /**
+ * The width of the resize border. Is independent of the actual window
+ * border width, and determines mostly the size of the corner area
+ * where two borders are moved at the same time.
+ */
+ static const int resizeBorderWidth = 10;
+};
+
+#endif