Initial commit.

This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.

1 files changed, 441 insertions, 0 deletions

diff --git a/src/gui/widgets/window.h b/src/gui/widgets/window.h
new file mode 100644
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+++ b/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