widget/LookAndFeel.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef __LookAndFeel
   7 #define __LookAndFeel
   8
   9 #ifndef MOZILLA_INTERNAL_API
  10 #error "This header is only usable from within libxul (MOZILLA_INTERNAL_API)."
  11 #endif
  12
  13 #include "nsDebug.h"
  14 #include "nsColor.h"
  15
  16 struct gfxFontStyle;
  17
  18 namespace mozilla {
  19
  20 class LookAndFeel
  21 {
  22 public:
  23   // When modifying this list, also modify nsXPLookAndFeel::sColorPrefs
  24   // in widget/xpwidgts/nsXPLookAndFeel.cpp.
  25   enum ColorID {
  26
  27     // WARNING : NO NEGATIVE VALUE IN THIS ENUMERATION
  28     // see patch in bug 57757 for more information
  29
  30     eColorID_WindowBackground,
  31     eColorID_WindowForeground,
  32     eColorID_WidgetBackground,
  33     eColorID_WidgetForeground,
  34     eColorID_WidgetSelectBackground,
  35     eColorID_WidgetSelectForeground,
  36     eColorID_Widget3DHighlight,
  37     eColorID_Widget3DShadow,
  38     eColorID_TextBackground,
  39     eColorID_TextForeground,
  40     eColorID_TextSelectBackground,
  41     eColorID_TextSelectForeground,
  42     eColorID_TextSelectForegroundCustom,
  43     eColorID_TextSelectBackgroundDisabled,
  44     eColorID_TextSelectBackgroundAttention,
  45     eColorID_TextHighlightBackground,
  46     eColorID_TextHighlightForeground,
  47
  48     eColorID_IMERawInputBackground,
  49     eColorID_IMERawInputForeground,
  50     eColorID_IMERawInputUnderline,
  51     eColorID_IMESelectedRawTextBackground,
  52     eColorID_IMESelectedRawTextForeground,
  53     eColorID_IMESelectedRawTextUnderline,
  54     eColorID_IMEConvertedTextBackground,
  55     eColorID_IMEConvertedTextForeground,
  56     eColorID_IMEConvertedTextUnderline,
  57     eColorID_IMESelectedConvertedTextBackground,
  58     eColorID_IMESelectedConvertedTextForeground,
  59     eColorID_IMESelectedConvertedTextUnderline,
  60
  61     eColorID_SpellCheckerUnderline,
  62
  63     // New CSS 2 color definitions
  64     eColorID_activeborder,
  65     eColorID_activecaption,
  66     eColorID_appworkspace,
  67     eColorID_background,
  68     eColorID_buttonface,
  69     eColorID_buttonhighlight,
  70     eColorID_buttonshadow,
  71     eColorID_buttontext,
  72     eColorID_captiontext,
  73     eColorID_graytext,
  74     eColorID_highlight,
  75     eColorID_highlighttext,
  76     eColorID_inactiveborder,
  77     eColorID_inactivecaption,
  78     eColorID_inactivecaptiontext,
  79     eColorID_infobackground,
  80     eColorID_infotext,
  81     eColorID_menu,
  82     eColorID_menutext,
  83     eColorID_scrollbar,
  84     eColorID_threeddarkshadow,
  85     eColorID_threedface,
  86     eColorID_threedhighlight,
  87     eColorID_threedlightshadow,
  88     eColorID_threedshadow,
  89     eColorID_window,
  90     eColorID_windowframe,
  91     eColorID_windowtext,
  92
  93     eColorID__moz_buttondefault,
  94     // Colors which will hopefully become CSS3
  95     eColorID__moz_field,
  96     eColorID__moz_fieldtext,
  97     eColorID__moz_dialog,
  98     eColorID__moz_dialogtext,
  99     // used to highlight valid regions to drop something onto
 100     eColorID__moz_dragtargetzone,
 101
 102     // used to cell text background, selected but not focus
 103     eColorID__moz_cellhighlight,
 104     // used to cell text, selected but not focus
 105     eColorID__moz_cellhighlighttext,
 106     // used to html select cell text background, selected but not focus
 107     eColorID__moz_html_cellhighlight,
 108     // used to html select cell text, selected but not focus
 109     eColorID__moz_html_cellhighlighttext,
 110     // used to button text background, when mouse is over
 111     eColorID__moz_buttonhoverface,
 112     // used to button text, when mouse is over
 113     eColorID__moz_buttonhovertext,
 114     // used to menu item background, when mouse is over
 115     eColorID__moz_menuhover,
 116     // used to menu item text, when mouse is over
 117     eColorID__moz_menuhovertext,
 118     // used to menu bar item text
 119     eColorID__moz_menubartext,
 120     // used to menu bar item text, when mouse is over
 121     eColorID__moz_menubarhovertext,
 122     // On platforms where these colors are the same as
 123     // -moz-field, use -moz-fieldtext as foreground color
 124     eColorID__moz_eventreerow,
 125     eColorID__moz_oddtreerow,
 126
 127     // colors needed by the Mac OS X theme
 128
 129     // foreground color of :hover:active buttons
 130     eColorID__moz_mac_buttonactivetext,
 131     // background color of chrome toolbars in active windows
 132     eColorID__moz_mac_chrome_active,
 133     // background color of chrome toolbars in inactive windows
 134     eColorID__moz_mac_chrome_inactive,
 135     // foreground color of default buttons
 136     eColorID__moz_mac_defaultbuttontext,
 137     //ring around text fields and lists
 138     eColorID__moz_mac_focusring,
 139     //colour used when mouse is over a menu item
 140     eColorID__moz_mac_menuselect,
 141     //colour used to do shadows on menu items
 142     eColorID__moz_mac_menushadow,
 143     // color used to display text for disabled menu items
 144     eColorID__moz_mac_menutextdisable,
 145     //colour used to display text while mouse is over a menu item
 146     eColorID__moz_mac_menutextselect,
 147     // text color of disabled text on toolbars
 148     eColorID__moz_mac_disabledtoolbartext,
 149     //inactive light hightlight
 150     eColorID__moz_mac_secondaryhighlight,
 151
 152     // vista rebars
 153
 154     // media rebar text
 155     eColorID__moz_win_mediatext,
 156     // communications rebar text
 157     eColorID__moz_win_communicationstext,
 158
 159     // Hyperlink color extracted from the system, not affected by the
 160     // browser.anchor_color user pref.
 161     // There is no OS-specified safe background color for this text,
 162     // but it is used regularly within Windows and the Gnome DE on Dialog and
 163     // Window colors.
 164     eColorID__moz_nativehyperlinktext,
 165
 166     // Combo box widgets
 167     eColorID__moz_comboboxtext,
 168     eColorID__moz_combobox,
 169
 170     // keep this one last, please
 171     eColorID_LAST_COLOR
 172   };
 173
 174   // When modifying this list, also modify nsXPLookAndFeel::sIntPrefs
 175   // in widget/xpwidgts/nsXPLookAndFeel.cpp.
 176   enum IntID {
 177     // default, may be overriden by OS
 178     eIntID_CaretBlinkTime,
 179     // pixel width of caret
 180     eIntID_CaretWidth,
 181     // show the caret when text is selected?
 182     eIntID_ShowCaretDuringSelection,
 183     // select textfields when focused via tab/accesskey?
 184     eIntID_SelectTextfieldsOnKeyFocus,
 185     // delay before submenus open
 186     eIntID_SubmenuDelay,
 187     // can popups overlap menu/task bar?
 188     eIntID_MenusCanOverlapOSBar,
 189     // should overlay scrollbars be used?
 190     eIntID_UseOverlayScrollbars,
 191     // allow H and V overlay scrollbars to overlap?
 192     eIntID_AllowOverlayScrollbarsOverlap,
 193     // show/hide scrollbars based on activity
 194     eIntID_ShowHideScrollbars,
 195     // skip navigating to disabled menu item?
 196     eIntID_SkipNavigatingDisabledMenuItem,
 197     // begin a drag if the mouse is moved further than the threshold while the
 198     // button is down
 199     eIntID_DragThresholdX,
 200     eIntID_DragThresholdY,
 201     // Accessibility theme being used?
 202     eIntID_UseAccessibilityTheme,
 203
 204     // position of scroll arrows in a scrollbar
 205     eIntID_ScrollArrowStyle,
 206     // is scroll thumb proportional or fixed?
 207     eIntID_ScrollSliderStyle,
 208
 209     // each button can take one of four values:
 210     eIntID_ScrollButtonLeftMouseButtonAction,
 211     // 0 - scrolls one  line, 1 - scrolls one page
 212     eIntID_ScrollButtonMiddleMouseButtonAction,
 213     // 2 - scrolls to end, 3 - button ignored
 214     eIntID_ScrollButtonRightMouseButtonAction,
 215
 216     // delay for opening spring loaded folders
 217     eIntID_TreeOpenDelay,
 218     // delay for closing spring loaded folders
 219     eIntID_TreeCloseDelay,
 220     // delay for triggering the tree scrolling
 221     eIntID_TreeLazyScrollDelay,
 222     // delay for scrolling the tree
 223     eIntID_TreeScrollDelay,
 224     // the maximum number of lines to be scrolled at ones
 225     eIntID_TreeScrollLinesMax,
 226     // What type of tab-order to use
 227     eIntID_TabFocusModel,
 228     // Should menu items blink when they're chosen?
 229     eIntID_ChosenMenuItemsShouldBlink,
 230
 231     /*
 232      * A Boolean value to determine whether the Windows default theme is
 233      * being used.
 234      *
 235      * The value of this metric is not used on other platforms. These platforms
 236      * should return NS_ERROR_NOT_IMPLEMENTED when queried for this metric.
 237      */
 238     eIntID_WindowsDefaultTheme,
 239
 240     /*
 241      * A Boolean value to determine whether the DWM compositor is being used
 242      *
 243      * This metric is not used on non-Windows platforms. These platforms
 244      * should return NS_ERROR_NOT_IMPLEMENTED when queried for this metric.
 245      */
 246     eIntID_DWMCompositor,
 247
 248     /*
 249      * A Boolean value to determine whether Windows is themed (Classic vs.
 250      * uxtheme)
 251      *
 252      * This is Windows-specific and is not implemented on other platforms
 253      * (will return the default of NS_ERROR_FAILURE).
 254      */
 255     eIntID_WindowsClassic,
 256
 257     /*
 258      * A Boolean value to determine whether the current Windows desktop theme
 259      * supports Aero Glass.
 260      *
 261      * This is Windows-specific and is not implemented on other platforms
 262      * (will return the default of NS_ERROR_FAILURE).
 263      */
 264     eIntID_WindowsGlass,
 265
 266     /*
 267      * A Boolean value to determine whether the device is a touch enabled
 268      * device. Currently this is only supported by the Windows 7 Touch API.
 269      *
 270      * Platforms that do not support this metric should return
 271      * NS_ERROR_NOT_IMPLEMENTED when queried for this metric.
 272      */
 273     eIntID_TouchEnabled,
 274
 275     /*
 276      * A Boolean value to determine whether the Mac graphite theme is
 277      * being used.
 278      *
 279      * The value of this metric is not used on other platforms. These platforms
 280      * should return NS_ERROR_NOT_IMPLEMENTED when queried for this metric.
 281      */
 282     eIntID_MacGraphiteTheme,
 283
 284     /*
 285      * A Boolean value to determine whether the Mac OS X Lion-specific theming
 286      * should be used.
 287      *
 288      * The value of this metric is not used on non-Mac platforms. These
 289      * platforms should return NS_ERROR_NOT_IMPLEMENTED when queried for this
 290      * metric.
 291      */
 292     eIntID_MacLionTheme,
 293
 294    /*
 295     * A Boolean value to determine whether the Mac OS X Yosemite-specific theming
 296     * should be used.
 297     *
 298     * The value of this metric is not used on non-Mac platforms. These
 299     * platforms should return NS_ERROR_NOT_IMPLEMENTED when queried for this
 300     * metric.
 301     */
 302    eIntID_MacYosemiteTheme,
 303
 304     /*
 305      * eIntID_AlertNotificationOrigin indicates from which corner of the
 306      * screen alerts slide in, and from which direction (horizontal/vertical).
 307      * 0, the default, represents bottom right, sliding vertically.
 308      * Use any bitwise combination of the following constants:
 309      * NS_ALERT_HORIZONTAL (1), NS_ALERT_LEFT (2), NS_ALERT_TOP (4).
 310      *
 311      *       6       4
 312      *     +-----------+
 313      *    7|           |5
 314      *     |           |
 315      *    3|           |1
 316      *     +-----------+
 317      *       2       0
 318      */
 319     eIntID_AlertNotificationOrigin,
 320
 321     /**
 322      * If true, clicking on a scrollbar (not as in dragging the thumb) defaults
 323      * to scrolling the view corresponding to the clicked point. Otherwise, we
 324      * only do so if the scrollbar is clicked using the middle mouse button or
 325      * if shift is pressed when the scrollbar is clicked.
 326      */
 327     eIntID_ScrollToClick,
 328
 329     /**
 330      * IME and spell checker underline styles, the values should be
 331      * NS_DECORATION_LINE_STYLE_*.  They are defined below.
 332      */
 333     eIntID_IMERawInputUnderlineStyle,
 334     eIntID_IMESelectedRawTextUnderlineStyle,
 335     eIntID_IMEConvertedTextUnderlineStyle,
 336     eIntID_IMESelectedConvertedTextUnderline,
 337     eIntID_SpellCheckerUnderlineStyle,
 338
 339     /**
 340      * If this metric != 0, show icons in menus.
 341      */
 342     eIntID_ImagesInMenus,
 343     /**
 344      * If this metric != 0, show icons in buttons.
 345      */
 346     eIntID_ImagesInButtons,
 347     /**
 348      * If this metric != 0, support window dragging on the menubar.
 349      */
 350     eIntID_MenuBarDrag,
 351     /**
 352      * Return the appropriate WindowsThemeIdentifier for the current theme.
 353      */
 354     eIntID_WindowsThemeIdentifier,
 355     /**
 356      * Return an appropriate os version identifier.
 357      */
 358     eIntID_OperatingSystemVersionIdentifier,
 359     /**
 360      * 0: scrollbar button repeats to scroll only when cursor is on the button.
 361      * 1: scrollbar button repeats to scroll even if cursor is outside of it.
 362      */
 363     eIntID_ScrollbarButtonAutoRepeatBehavior,
 364     /**
 365      * Delay before showing a tooltip.
 366      */
 367     eIntID_TooltipDelay,
 368     /*
 369      * A Boolean value to determine whether Mac OS X Lion style swipe animations
 370      * should be used.
 371      */
 372     eIntID_SwipeAnimationEnabled,
 373
 374     /*
 375      * A Boolean value to determine whether we have a color picker available
 376      * for <input type="color"> to hook into.
 377      *
 378      * This lets us selectively enable the style for <input type="color">
 379      * based on whether it's functional or not.
 380      */
 381     eIntID_ColorPickerAvailable,
 382
 383     /*
 384      * A boolean value indicating whether or not the device has a hardware
 385      * home button. Used on gaia to determine whether a home button
 386      * is shown.
 387      */
 388      eIntID_PhysicalHomeButton,
 389
 390      /*
 391       * Controls whether overlay scrollbars display when the user moves
 392       * the mouse in a scrollable frame.
 393       */
 394      eIntID_ScrollbarDisplayOnMouseMove,
 395
 396      /*
 397       * Overlay scrollbar animation constants.
 398       */
 399      eIntID_ScrollbarFadeBeginDelay,
 400      eIntID_ScrollbarFadeDuration
 401   };
 402
 403   /**
 404    * Windows themes we currently detect.
 405    */
 406   enum WindowsTheme {
 407     eWindowsTheme_Generic = 0, // unrecognized theme
 408     eWindowsTheme_Classic,
 409     eWindowsTheme_Aero,
 410     eWindowsTheme_LunaBlue,
 411     eWindowsTheme_LunaOlive,
 412     eWindowsTheme_LunaSilver,
 413     eWindowsTheme_Royale,
 414     eWindowsTheme_Zune,
 415     eWindowsTheme_AeroLite
 416   };
 417
 418   /**
 419    * Operating system versions.
 420    */
 421   enum OperatingSystemVersion {
 422     eOperatingSystemVersion_WindowsXP = 0,
 423     eOperatingSystemVersion_WindowsVista,
 424     eOperatingSystemVersion_Windows7,
 425     eOperatingSystemVersion_Windows8,
 426     eOperatingSystemVersion_Unknown
 427   };
 428
 429   enum {
 430     eScrollArrow_None = 0,
 431     eScrollArrow_StartBackward = 0x1000,
 432     eScrollArrow_StartForward = 0x0100,
 433     eScrollArrow_EndBackward = 0x0010,
 434     eScrollArrow_EndForward = 0x0001
 435   };
 436
 437   enum {
 438     // single arrow at each end
 439     eScrollArrowStyle_Single =
 440       eScrollArrow_StartBackward | eScrollArrow_EndForward,
 441     // both arrows at bottom/right, none at top/left
 442     eScrollArrowStyle_BothAtBottom =
 443       eScrollArrow_EndBackward | eScrollArrow_EndForward,
 444     // both arrows at both ends
 445     eScrollArrowStyle_BothAtEachEnd =
 446       eScrollArrow_EndBackward | eScrollArrow_EndForward |
 447       eScrollArrow_StartBackward | eScrollArrow_StartForward,
 448     // both arrows at top/left, none at bottom/right
 449     eScrollArrowStyle_BothAtTop =
 450       eScrollArrow_StartBackward | eScrollArrow_StartForward
 451   };
 452
 453   enum {
 454     eScrollThumbStyle_Normal,
 455     eScrollThumbStyle_Proportional
 456   };
 457
 458   // When modifying this list, also modify nsXPLookAndFeel::sFloatPrefs
 459   // in widget/xpwidgts/nsXPLookAndFeel.cpp.
 460   enum FloatID {
 461     eFloatID_IMEUnderlineRelativeSize,
 462     eFloatID_SpellCheckerUnderlineRelativeSize,
 463
 464     // The width/height ratio of the cursor. If used, the CaretWidth int metric
 465     // should be added to the calculated caret width.
 466     eFloatID_CaretAspectRatio
 467   };
 468
 469   // These constants must be kept in 1:1 correspondence with the
 470   // NS_STYLE_FONT_* system font constants.
 471   enum FontID {
 472     eFont_Caption = 1,     // css2
 473     eFont_Icon,
 474     eFont_Menu,
 475     eFont_MessageBox,
 476     eFont_SmallCaption,
 477     eFont_StatusBar,
 478
 479     eFont_Window,          // css3
 480     eFont_Document,
 481     eFont_Workspace,
 482     eFont_Desktop,
 483     eFont_Info,
 484     eFont_Dialog,
 485     eFont_Button,
 486     eFont_PullDownMenu,
 487     eFont_List,
 488     eFont_Field,
 489
 490     eFont_Tooltips,        // moz
 491     eFont_Widget
 492   };
 493
 494   /**
 495    * GetColor() return a native color value (might be overwritten by prefs) for
 496    * aID.  Some platforms don't return an error even if the index doesn't
 497    * match any system colors.  And also some platforms may initialize the
 498    * return value even when it returns an error.  Therefore, if you want to
 499    * use a color for the default value, you should use the other GetColor()
 500    * which returns nscolor directly.
 501    *
 502    * NOTE:
 503    *   eColorID_TextSelectForeground might return NS_DONT_CHANGE_COLOR.
 504    *   eColorID_IME* might return NS_TRANSPARENT, NS_SAME_AS_FOREGROUND_COLOR or
 505    *   NS_40PERCENT_FOREGROUND_COLOR.
 506    *   These values have particular meaning.  Then, they are not an actual
 507    *   color value.
 508    */
 509   static nsresult GetColor(ColorID aID, nscolor* aResult);
 510
 511   /**
 512    * GetInt() and GetFloat() return a int or float value for aID.  The result
 513    * might be distance, time, some flags or a int value which has particular
 514    * meaning.  See each document at definition of each ID for the detail.
 515    * The result is always 0 when they return error.  Therefore, if you want to
 516    * use a value for the default value, you should use the other method which
 517    * returns int or float directly.
 518    */
 519   static nsresult GetInt(IntID aID, int32_t* aResult);
 520   static nsresult GetFloat(FloatID aID, float* aResult);
 521
 522   static nscolor GetColor(ColorID aID, nscolor aDefault = NS_RGB(0, 0, 0))
 523   {
 524     nscolor result = NS_RGB(0, 0, 0);
 525     if (NS_FAILED(GetColor(aID, &result))) {
 526       return aDefault;
 527     }
 528     return result;
 529   }
 530
 531   static int32_t GetInt(IntID aID, int32_t aDefault = 0)
 532   {
 533     int32_t result;
 534     if (NS_FAILED(GetInt(aID, &result))) {
 535       return aDefault;
 536     }
 537     return result;
 538   }
 539
 540   static float GetFloat(FloatID aID, float aDefault = 0.0f)
 541   {
 542     float result;
 543     if (NS_FAILED(GetFloat(aID, &result))) {
 544       return aDefault;
 545     }
 546     return result;
 547   }
 548
 549   /**
 550    * Retrieve the name and style of a system-theme font.  Returns true
 551    * if the system theme specifies this font, false if a default should
 552    * be used.  In the latter case neither aName nor aStyle is modified.
 553    *
 554    * @param aID    Which system-theme font is wanted.
 555    * @param aName  The name of the font to use.
 556    * @param aStyle Styling to apply to the font.
 557    * @param aDevPixPerCSSPixel  Ratio of device pixels to CSS pixels
 558    */
 559   static bool GetFont(FontID aID, nsString& aName, gfxFontStyle& aStyle,
 560                       float aDevPixPerCSSPixel);
 561
 562   /**
 563    * GetPasswordCharacter() returns a unicode character which should be used
 564    * for a masked character in password editor.  E.g., '*'.
 565    */
 566   static char16_t GetPasswordCharacter();
 567
 568   /**
 569    * If the latest character in password field shouldn't be hidden by the
 570    * result of GetPasswordCharacter(), GetEchoPassword() returns TRUE.
 571    * Otherwise, FALSE.
 572    */
 573   static bool GetEchoPassword();
 574
 575   /**
 576    * The millisecond to mask password value.
 577    * This value is only valid when GetEchoPassword() returns true.
 578    */
 579   static uint32_t GetPasswordMaskDelay();
 580
 581   /**
 582    * When system look and feel is changed, Refresh() must be called.  Then,
 583    * cached data would be released.
 584    */
 585   static void Refresh();
 586 };
 587
 588 } // namespace mozilla
 589
 590 // On the Mac, GetColor(eColorID_TextSelectForeground, color) returns this
 591 // constant to specify that the foreground color should not be changed
 592 // (ie. a colored text keeps its colors  when selected).
 593 // Of course if other plaforms work like the Mac, they can use it too.
 594 #define NS_DONT_CHANGE_COLOR    NS_RGB(0x01, 0x01, 0x01)
 595
 596 // Similar with NS_DONT_CHANGE_COLOR, except NS_DONT_CHANGE_COLOR would returns
 597 // complementary color if fg color is same as bg color.
 598 // NS_CHANGE_COLOR_IF_SAME_AS_BG would returns eColorID_TextSelectForegroundCustom if
 599 // fg and bg color are the same.
 600 #define NS_CHANGE_COLOR_IF_SAME_AS_BG NS_RGB(0x02, 0x02, 0x02)
 601
 602 // ---------------------------------------------------------------------
 603 //  Special colors for eColorID_IME* and eColorID_SpellCheckerUnderline
 604 // ---------------------------------------------------------------------
 605
 606 // For background color only.
 607 #define NS_TRANSPARENT                NS_RGBA(0x01, 0x00, 0x00, 0x00)
 608 // For foreground color only.
 609 #define NS_SAME_AS_FOREGROUND_COLOR   NS_RGBA(0x02, 0x00, 0x00, 0x00)
 610 #define NS_40PERCENT_FOREGROUND_COLOR NS_RGBA(0x03, 0x00, 0x00, 0x00)
 611
 612 #define NS_IS_SELECTION_SPECIAL_COLOR(c) ((c) == NS_TRANSPARENT || \
 613                                           (c) == NS_SAME_AS_FOREGROUND_COLOR || \
 614                                           (c) == NS_40PERCENT_FOREGROUND_COLOR)
 615
 616 // ------------------------------------------
 617 //  Bits for eIntID_AlertNotificationOrigin
 618 // ------------------------------------------
 619
 620 #define NS_ALERT_HORIZONTAL 1
 621 #define NS_ALERT_LEFT       2
 622 #define NS_ALERT_TOP        4
 623
 624 #endif /* __LookAndFeel */