[1092] | 1 | /************************************************************************
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| 2 | filename: CEGUIFrameWindow.h
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| 3 | created: 13/4/2004
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| 4 | author: Paul D Turner
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| 5 |
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| 6 | purpose: Interface to base class for FrameWindow
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| 7 | *************************************************************************/
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| 8 | /*************************************************************************
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| 9 | Crazy Eddie's GUI System (http://www.cegui.org.uk)
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| 10 | Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
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| 11 |
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| 12 | This library is free software; you can redistribute it and/or
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| 13 | modify it under the terms of the GNU Lesser General Public
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| 14 | License as published by the Free Software Foundation; either
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| 15 | version 2.1 of the License, or (at your option) any later version.
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| 16 |
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| 17 | This library is distributed in the hope that it will be useful,
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| 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | Lesser General Public License for more details.
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| 21 |
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| 22 | You should have received a copy of the GNU Lesser General Public
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| 23 | License along with this library; if not, write to the Free Software
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| 24 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 25 | *************************************************************************/
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| 26 | #ifndef _CEGUIFrameWindow_h_
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| 27 | #define _CEGUIFrameWindow_h_
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| 28 |
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| 29 | #include "CEGUIBase.h"
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| 30 | #include "CEGUIWindow.h"
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| 31 | #include "elements/CEGUIFrameWindowProperties.h"
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| 32 |
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| 33 |
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| 34 | #if defined(_MSC_VER)
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| 35 | # pragma warning(push)
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| 36 | # pragma warning(disable : 4251)
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| 37 | #endif
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| 38 |
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| 39 |
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| 40 | // Start of CEGUI namespace section
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| 41 | namespace CEGUI
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| 42 | {
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| 43 | /*!
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| 44 | \brief
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| 45 | Abstract base class for a movable, sizable, window with a title-bar and a frame.
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| 46 | */
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| 47 | class CEGUIEXPORT FrameWindow : public Window
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| 48 | {
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| 49 | public:
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| 50 | static const String EventNamespace; //!< Namespace for global events
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| 51 |
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| 52 |
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| 53 | /*************************************************************************
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| 54 | Constants
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| 55 | *************************************************************************/
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| 56 | // additional event names for this window
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| 57 | static const String EventRollupToggled; //!< Fired when the rollup (shade) state of the window changes
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| 58 | static const String EventCloseClicked; //!< Fired when the close button for the window is clicked.
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| 59 |
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| 60 | // other bits
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| 61 | static const float DefaultSizingBorderSize; //!< Default size for the sizing border (in pixels)
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| 62 |
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| 63 |
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| 64 | /*!
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| 65 | \brief
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| 66 | Enumeration that defines the set of possible locations for the mouse on a frame windows sizing border.
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| 67 | */
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| 68 | enum SizingLocation {
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| 69 | SizingNone, //!< Position is not a sizing location.
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| 70 | SizingTopLeft, //!< Position will size from the top-left.
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| 71 | SizingTopRight, //!< Position will size from the top-right.
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| 72 | SizingBottomLeft, //!< Position will size from the bottom left.
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| 73 | SizingBottomRight, //!< Position will size from the bottom right.
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| 74 | SizingTop, //!< Position will size from the top.
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| 75 | SizingLeft, //!< Position will size from the left.
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| 76 | SizingBottom, //!< Position will size from the bottom.
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| 77 | SizingRight //!< Position will size from the right.
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| 78 | };
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| 79 |
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| 80 | /*!
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| 81 | \brief
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| 82 | Initialises the Window based object ready for use.
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| 83 |
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| 84 | \note
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| 85 | This must be called for every window created. Normally this is handled automatically by the WindowFactory for each Window type.
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| 86 |
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| 87 | \return
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| 88 | Nothing
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| 89 | */
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| 90 | virtual void initialise(void);
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| 91 |
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| 92 |
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| 93 | /*!
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| 94 | \brief
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| 95 | Return whether this window is sizable. Note that this requires that the window have an enabled frame and that sizing itself is enabled
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| 96 |
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| 97 | \return
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| 98 | true if the window can be sized, false if the window can not be sized
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| 99 | */
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| 100 | bool isSizingEnabled(void) const {return d_sizingEnabled && isFrameEnabled();}
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| 101 |
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| 102 |
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| 103 | /*!
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| 104 | \brief
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| 105 | Return whether the frame for this window is enabled.
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| 106 |
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| 107 | \return
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| 108 | true if the frame for this window is enabled, false if the frame for this window is disabled.
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| 109 | */
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| 110 | bool isFrameEnabled(void) const {return d_frameEnabled;}
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| 111 |
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| 112 |
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| 113 | /*!
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| 114 | \brief
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| 115 | Return whether the title bar for this window is enabled.
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| 116 |
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| 117 | \return
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| 118 | true if the window has a title bar and it is enabled, false if the window has no title bar or if the title bar is disabled.
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| 119 | */
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| 120 | bool isTitleBarEnabled(void) const {return (d_titlebar != NULL) && !((Window*)d_titlebar)->isDisabled();}
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| 121 |
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| 122 |
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| 123 | /*!
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| 124 | \brief
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| 125 | Return whether this close button for this window is enabled.
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| 126 |
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| 127 | \return
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| 128 | true if the window has a close button and it is enabled, false if the window either has no close button or if the close button is disabled.
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| 129 | */
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| 130 | bool isCloseButtonEnabled(void) const {return (d_closeButton != NULL) && !((Window*)d_closeButton)->isDisabled();}
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| 131 |
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| 132 |
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| 133 | /*!
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| 134 | \brief
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| 135 | Return whether roll up (a.k.a shading) is enabled for this window.
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| 136 |
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| 137 | \return
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| 138 | true if roll up is enabled, false if roll up is disabled.
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| 139 | */
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| 140 | bool isRollupEnabled(void) const {return d_rollupEnabled;}
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| 141 |
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| 142 |
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| 143 | /*!
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| 144 | \brief
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| 145 | Return whether the window is currently rolled up (a.k.a shaded).
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| 146 |
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| 147 | \return
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| 148 | true if the window is rolled up, false if the window is not rolled up.
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| 149 | */
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| 150 | bool isRolledup(void) const {return d_rolledup;}
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| 151 |
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| 152 |
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| 153 | /*!
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| 154 | \brief
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| 155 | Return the thickness of the sizing border.
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| 156 |
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| 157 | \return
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| 158 | float value describing the thickness of the sizing border in screen pixels.
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| 159 | */
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| 160 | float getSizingBorderThickness(void) const {return d_borderSize;}
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| 161 |
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| 162 |
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| 163 | /*!
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| 164 | \brief
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| 165 | Enables or disables sizing for this window.
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| 166 |
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| 167 | \param setting
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| 168 | set to true to enable sizing (also requires frame to be enabled), or false to disable sizing.
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| 169 |
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| 170 | \return
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| 171 | nothing
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| 172 | */
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| 173 | void setSizingEnabled(bool setting);
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| 174 |
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| 175 |
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| 176 | /*!
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| 177 | \brief
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| 178 | Enables or disables the frame for this window.
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| 179 |
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| 180 | \param setting
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| 181 | set to true to enable the frame for this window, or false to disable the frame for this window.
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| 182 |
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| 183 | \return
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| 184 | Nothing.
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| 185 | */
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| 186 | void setFrameEnabled(bool setting);
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| 187 |
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| 188 |
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| 189 | /*!
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| 190 | \brief
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| 191 | Enables or disables the title bar for the frame window.
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| 192 |
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| 193 | \param setting
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| 194 | set to true to enable the title bar (if one is attached), or false to disable the title bar.
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| 195 |
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| 196 | \return
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| 197 | Nothing.
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| 198 | */
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| 199 | void setTitleBarEnabled(bool setting);
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| 200 |
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| 201 |
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| 202 | /*!
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| 203 | \brief
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| 204 | Enables or disables the close button for the frame window.
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| 205 |
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| 206 | \param setting
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| 207 | Set to true to enable the close button (if one is attached), or false to disable the close button.
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| 208 |
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| 209 | \return
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| 210 | Nothing.
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| 211 | */
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| 212 | void setCloseButtonEnabled(bool setting);
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| 213 |
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| 214 |
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| 215 | /*!
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| 216 | \brief
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| 217 | Enables or disables roll-up (shading) for this window.
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| 218 |
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| 219 | \param setting
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| 220 | Set to true to enable roll-up for the frame window, or false to disable roll-up.
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| 221 |
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| 222 | \return
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| 223 | Nothing.
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| 224 | */
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| 225 | void setRollupEnabled(bool setting);
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| 226 |
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| 227 |
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| 228 | /*!
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| 229 | \brief
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| 230 | Toggles the state of the window between rolled-up (shaded) and normal sizes. This requires roll-up to be enabled.
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| 231 |
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| 232 | \return
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| 233 | Nothing
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| 234 | */
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| 235 | void toggleRollup(void);
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| 236 |
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| 237 |
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| 238 | /*!
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| 239 | \brief
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| 240 | Set the size of the sizing border for this window.
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| 241 |
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| 242 | \param pixels
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| 243 | float value specifying the thickness for the sizing border in screen pixels.
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| 244 |
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| 245 | \return
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| 246 | Nothing.
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| 247 | */
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| 248 | void setSizingBorderThickness(float pixels) {d_borderSize = pixels;}
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| 249 |
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| 250 |
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| 251 | /*!
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| 252 | \brief
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| 253 | Set the font to use for the title bar text
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| 254 |
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| 255 | \param name
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| 256 | String object holding the name of the font to use.
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| 257 |
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| 258 | \return
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| 259 | Nothing.
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| 260 | */
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| 261 | void setTitlebarFont(const String& name);
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| 262 |
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| 263 |
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| 264 | /*!
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| 265 | \brief
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| 266 | Set the font to use for the title bar text
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| 267 |
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| 268 | \param font
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| 269 | Pointer to the font to use.
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| 270 |
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| 271 | \return
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| 272 | Nothing.
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| 273 | */
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| 274 | void setTitlebarFont(Font* font);
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| 275 |
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| 276 |
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| 277 | /*!
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| 278 | \brief
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| 279 | Move the window by the pixel offsets specified in \a offset.
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| 280 |
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| 281 | This is intended for internal system use - it is the method by which the title bar moves the frame window.
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| 282 |
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| 283 | \param offset
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| 284 | Vector2 object containing the offsets to apply (offsets are in screen pixels).
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| 285 |
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| 286 | \return
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| 287 | Nothing.
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| 288 | */
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| 289 | void offsetPixelPosition(const Vector2& offset);
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| 290 |
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| 291 |
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| 292 | /*!
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| 293 | \brief
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| 294 | Return whether this FrameWindow can be moved by dragging the title bar.
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| 295 |
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| 296 | \return
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| 297 | true if the Window will move when the user drags the title bar, false if the window will not move.
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| 298 | */
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| 299 | bool isDragMovingEnabled(void) const {return d_dragMovable;}
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| 300 |
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| 301 |
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| 302 | /*!
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| 303 | \brief
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| 304 | Set whether this FrameWindow can be moved by dragging the title bar.
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| 305 |
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| 306 | \param setting
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| 307 | true if the Window should move when the user drags the title bar, false if the window should not move.
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| 308 |
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| 309 | \return
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| 310 | Nothing.
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| 311 | */
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| 312 | void setDragMovingEnabled(bool setting);
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| 313 |
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| 314 |
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| 315 | /*!
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| 316 | \brief
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| 317 | Return the font being used for the title bar text
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| 318 |
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| 319 | \return
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| 320 | Pointer to the Font being used for the TitleBar on this FrameWindow.
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| 321 | */
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| 322 | const Font* getTitlebarFont(void) const;
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| 323 |
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| 324 |
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| 325 | /*!
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| 326 | \brief
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| 327 | Return the current colour used for rendering the caption text
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| 328 |
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| 329 | \return
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| 330 | colour value that specifies the colour used when rendering the title bar caption text.
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| 331 | */
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| 332 | colour getCaptionColour(void) const;
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| 333 |
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| 334 |
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| 335 | /*!
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| 336 | \brief
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| 337 | Sets the colour to be used for rendering the caption text.
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| 338 |
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| 339 | \param col
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| 340 | colour value that specifies the colour to be used when rendering the title bar caption text.
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| 341 |
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| 342 | \return
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| 343 | Nothing.
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| 344 | */
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| 345 | void setCaptionColour(colour col);
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| 346 |
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| 347 |
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| 348 | /*************************************************************************
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| 349 | Construction / Destruction
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| 350 | *************************************************************************/
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| 351 | /*!
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| 352 | \brief
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| 353 | Constructor for FrameWindow objects.
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| 354 | */
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| 355 | FrameWindow(const String& name, const String& type);
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| 356 |
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| 357 | /*!
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| 358 | \brief
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| 359 | Destructor for FramwWindow objects.
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| 360 | */
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| 361 | virtual ~FrameWindow(void);
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| 362 |
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| 363 |
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| 364 | protected:
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| 365 | /*************************************************************************
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| 366 | Implementation Functions
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| 367 | *************************************************************************/
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| 368 | /*!
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| 369 | \brief
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| 370 | Create a control based upon the Titlebar base class to be used as the title bar for this window.
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| 371 |
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| 372 | \return
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| 373 | Pointer to an object who's class derives from Titlebar
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| 374 | */
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| 375 | virtual Titlebar* createTitlebar(void) const = 0;
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| 376 |
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| 377 |
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| 378 | /*!
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| 379 | \brief
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| 380 | Create a control based upon the PushButton base class, to be used at the close button for the window.
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| 381 |
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| 382 | \return
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| 383 | Pointer to an object who's class derives from PushButton.
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| 384 | */
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| 385 | virtual PushButton* createCloseButton(void) const = 0;
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| 386 |
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| 387 |
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| 388 | /*!
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| 389 | \brief
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| 390 | Setup size and position for the title bar and close button widgets attached to this window
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| 391 |
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| 392 | \return
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| 393 | Nothing.
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| 394 | */
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| 395 | virtual void layoutComponentWidgets() = 0;
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| 396 |
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| 397 |
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| 398 | /*!
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| 399 | \brief
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| 400 | move the window's left edge by 'delta'. The rest of the window does not move, thus this changes the size of the Window.
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| 401 |
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| 402 | \param delta
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| 403 | float value that specifies the amount to move the window edge, and in which direction. Positive values make window smaller.
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| 404 | */
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| 405 | void moveLeftEdge(float delta);
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| 406 |
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| 407 |
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| 408 | /*!
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| 409 | \brief
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| 410 | move the window's right edge by 'delta'. The rest of the window does not move, thus this changes the size of the Window.
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| 411 |
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| 412 | \param delta
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| 413 | float value that specifies the amount to move the window edge, and in which direction. Positive values make window larger.
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| 414 | */
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| 415 | void moveRightEdge(float delta);
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| 416 |
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| 417 |
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| 418 | /*!
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| 419 | \brief
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| 420 | move the window's top edge by 'delta'. The rest of the window does not move, thus this changes the size of the Window.
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| 421 |
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| 422 | \param delta
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| 423 | float value that specifies the amount to move the window edge, and in which direction. Positive values make window smaller.
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| 424 | */
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| 425 | void moveTopEdge(float delta);
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| 426 |
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| 427 |
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| 428 | /*!
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| 429 | \brief
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| 430 | move the window's bottom edge by 'delta'. The rest of the window does not move, thus this changes the size of the Window.
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| 431 |
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| 432 | \param delta
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| 433 | float value that specifies the amount to move the window edge, and in which direction. Positive values make window larger.
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| 434 | */
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| 435 | void moveBottomEdge(float delta);
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| 436 |
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| 437 |
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| 438 | /*!
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| 439 | \brief
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| 440 | check local pixel co-ordinate point 'pt' and return one of the
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| 441 | SizingLocation enumerated values depending where the point falls on
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| 442 | the sizing border.
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| 443 |
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| 444 | \param pt
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| 445 | Point object describing, in pixels, the window relative offset to check.
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| 446 |
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| 447 | \return
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| 448 | One of the SizingLocation enumerated values that describe which part of
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| 449 | the sizing border that \a pt corresponded to, if any.
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| 450 | */
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| 451 | SizingLocation getSizingBorderAtPoint(const Point& pt) const;
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| 452 |
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| 453 |
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| 454 | /*!
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| 455 | \brief
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| 456 | return true if given SizingLocation is on left edge.
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| 457 |
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| 458 | \param loc
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| 459 | SizingLocation value to be checked.
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| 460 |
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| 461 | \return
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| 462 | true if \a loc is on the left edge. false if \a loc is not on the left edge.
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| 463 | */
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| 464 | bool isLeftSizingLocation(SizingLocation loc) const {return ((loc == SizingLeft) || (loc == SizingTopLeft) || (loc == SizingBottomLeft));}
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| 465 |
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| 466 |
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| 467 | /*!
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| 468 | \brief
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| 469 | return true if given SizingLocation is on right edge.
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| 470 |
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| 471 | \param loc
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| 472 | SizingLocation value to be checked.
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| 473 |
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| 474 | \return
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| 475 | true if \a loc is on the right edge. false if \a loc is not on the right edge.
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| 476 | */
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| 477 | bool isRightSizingLocation(SizingLocation loc) const {return ((loc == SizingRight) || (loc == SizingTopRight) || (loc == SizingBottomRight));}
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| 478 |
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| 479 |
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| 480 | /*!
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| 481 | \brief
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| 482 | return true if given SizingLocation is on top edge.
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| 483 |
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| 484 | \param loc
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| 485 | SizingLocation value to be checked.
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| 486 |
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| 487 | \return
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| 488 | true if \a loc is on the top edge. false if \a loc is not on the top edge.
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| 489 | */
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| 490 | bool isTopSizingLocation(SizingLocation loc) const {return ((loc == SizingTop) || (loc == SizingTopLeft) || (loc == SizingTopRight));}
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| 491 |
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| 492 |
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| 493 | /*!
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| 494 | \brief
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| 495 | return true if given SizingLocation is on bottom edge.
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| 496 |
|
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| 497 | \param loc
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| 498 | SizingLocation value to be checked.
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| 499 |
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| 500 | \return
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| 501 | true if \a loc is on the bottom edge. false if \a loc is not on the bottom edge.
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| 502 | */
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| 503 | bool isBottomSizingLocation(SizingLocation loc) const {return ((loc == SizingBottom) || (loc == SizingBottomLeft) || (loc == SizingBottomRight));}
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| 504 |
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| 505 |
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| 506 | /*!
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| 507 | \brief
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| 508 | Add frame window specific events
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| 509 | */
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| 510 | void addFrameWindowEvents(void);
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| 511 |
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| 512 |
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| 513 | /*!
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| 514 | \brief
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| 515 | Method to respond to close button click events and fire our close event
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| 516 | */
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| 517 | bool closeClickHandler(const EventArgs& e);
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| 518 |
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| 519 |
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| 520 | /*!
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| 521 | \brief
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| 522 | Set the appropriate mouse cursor for the given window-relative pixel point.
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| 523 | */
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| 524 | void setCursorForPoint(const Point& pt) const;
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| 525 |
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| 526 |
|
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| 527 | /*!
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| 528 | \brief
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| 529 | Return a Rect that describes, in window relative pixel co-ordinates, the outer edge of the sizing area for this window.
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| 530 | */
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| 531 | virtual Rect getSizingRect(void) const {return Rect(0, 0, d_abs_area.getWidth(), d_abs_area.getHeight());}
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| 532 |
|
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| 533 |
|
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| 534 | /*!
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| 535 | \brief
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| 536 | Return whether this window was inherited from the given class name at some point in the inheritance heirarchy.
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| 537 |
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| 538 | \param class_name
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| 539 | The class name that is to be checked.
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| 540 |
|
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| 541 | \return
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| 542 | true if this window was inherited from \a class_name. false if not.
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| 543 | */
|
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| 544 | virtual bool testClassName_impl(const String& class_name) const
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| 545 | {
|
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| 546 | if (class_name==(const utf8*)"FrameWindow") return true;
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| 547 | return Window::testClassName_impl(class_name);
|
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| 548 | }
|
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| 549 |
|
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| 550 |
|
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| 551 | /*************************************************************************
|
---|
| 552 | New events for Frame Windows
|
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| 553 | *************************************************************************/
|
---|
| 554 | /*!
|
---|
| 555 | \brief
|
---|
| 556 | Event generated internally whenever the roll-up / shade state of the window
|
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| 557 | changes.
|
---|
| 558 | */
|
---|
| 559 | virtual void onRollupToggled(WindowEventArgs& e);
|
---|
| 560 |
|
---|
| 561 |
|
---|
| 562 | /*!
|
---|
| 563 | \brief
|
---|
| 564 | Event generated internally whenever the close button is clicked.
|
---|
| 565 | */
|
---|
| 566 | virtual void onCloseClicked(WindowEventArgs& e);
|
---|
| 567 |
|
---|
| 568 |
|
---|
| 569 | /*************************************************************************
|
---|
| 570 | Overridden event handlers
|
---|
| 571 | *************************************************************************/
|
---|
| 572 | virtual void onMouseMove(MouseEventArgs& e);
|
---|
| 573 | virtual void onMouseButtonDown(MouseEventArgs& e);
|
---|
| 574 | virtual void onMouseButtonUp(MouseEventArgs& e);
|
---|
| 575 | virtual void onCaptureLost(WindowEventArgs& e);
|
---|
| 576 | virtual void onSized(WindowEventArgs& e);
|
---|
| 577 | virtual void onParentSized(WindowEventArgs& e);
|
---|
| 578 |
|
---|
| 579 |
|
---|
| 580 | /*************************************************************************
|
---|
| 581 | Implementation Data
|
---|
| 582 | *************************************************************************/
|
---|
| 583 | // frame data
|
---|
| 584 | bool d_frameEnabled; //!< true if window frame should be drawn.
|
---|
| 585 |
|
---|
| 586 | // window roll-up data
|
---|
| 587 | bool d_rollupEnabled; //!< true if roll-up of window is allowed.
|
---|
| 588 | bool d_rolledup; //!< true if window is rolled up.
|
---|
| 589 | Size d_abs_openSize; //!< stores original size of window when rolled-up.
|
---|
| 590 | Size d_rel_openSize; //!< stores original size of window when rolled-up.
|
---|
| 591 |
|
---|
| 592 | // drag-sizing data
|
---|
| 593 | bool d_sizingEnabled; //!< true if sizing is enabled for this window.
|
---|
| 594 | bool d_beingSized; //!< true if window is being sized.
|
---|
| 595 | float d_borderSize; //!< thickness of the sizing border around this window
|
---|
| 596 | Point d_dragPoint; //!< point window is being dragged at.
|
---|
| 597 |
|
---|
| 598 | // composite controls
|
---|
| 599 | Titlebar* d_titlebar; //!< points to the title bar widget.
|
---|
| 600 | PushButton* d_closeButton; //!< points to close button widget.
|
---|
| 601 |
|
---|
| 602 | // images for cursor when on sizing border
|
---|
| 603 | const Image* d_nsSizingCursor; //!< North/South sizing cursor image.
|
---|
| 604 | const Image* d_ewSizingCursor; //!< East/West sizing cursor image.
|
---|
| 605 | const Image* d_nwseSizingCursor; //!< North-West/South-East cursor image.
|
---|
| 606 | const Image* d_neswSizingCursor; //!< North-East/South-West cursor image.
|
---|
| 607 |
|
---|
| 608 | bool d_dragMovable; //!< true if the window will move when dragged by the title bar.
|
---|
| 609 |
|
---|
| 610 |
|
---|
| 611 | private:
|
---|
| 612 | /*************************************************************************
|
---|
| 613 | Static Properties for this class
|
---|
| 614 | *************************************************************************/
|
---|
| 615 | static FrameWindowProperties::SizingEnabled d_sizingEnabledProperty;
|
---|
| 616 | static FrameWindowProperties::FrameEnabled d_frameEnabledProperty;
|
---|
| 617 | static FrameWindowProperties::TitlebarEnabled d_titlebarEnabledProperty;
|
---|
| 618 | static FrameWindowProperties::CloseButtonEnabled d_closeButtonEnabledProperty;
|
---|
| 619 | static FrameWindowProperties::RollUpState d_rollUpStateProperty;
|
---|
| 620 | static FrameWindowProperties::RollUpEnabled d_rollUpEnabledProperty;
|
---|
| 621 | static FrameWindowProperties::DragMovingEnabled d_dragMovingEnabledProperty;
|
---|
| 622 | static FrameWindowProperties::SizingBorderThickness d_sizingBorderThicknessProperty;
|
---|
| 623 | static FrameWindowProperties::TitlebarFont d_titlebarFontProperty;
|
---|
| 624 | static FrameWindowProperties::CaptionColour d_captionColourProperty;
|
---|
| 625 |
|
---|
| 626 |
|
---|
| 627 | /*************************************************************************
|
---|
| 628 | Private methods
|
---|
| 629 | *************************************************************************/
|
---|
| 630 | void addFrameWindowProperties(void);
|
---|
| 631 | };
|
---|
| 632 |
|
---|
| 633 | } // End of CEGUI namespace section
|
---|
| 634 |
|
---|
| 635 | #if defined(_MSC_VER)
|
---|
| 636 | # pragma warning(pop)
|
---|
| 637 | #endif
|
---|
| 638 |
|
---|
| 639 | #endif // end of guard _CEGUIFrameWindow_h_
|
---|