/**
  * @class Ext.Button
  * Used to create the base structure of an Ext.Button
  */
@mixin extjs-button {
    // default button pictos icons
    @if $include-default-button-icons {
        @include extjs-button-icon('forbidden', 'd');
        @include extjs-button-icon('people', 'g');
        @include extjs-button-icon('information', 'i');
        @include extjs-button-icon('link', 'j');
        @include extjs-button-icon('love', 'k');
        @include extjs-button-icon('list', 'l', $top: 1px);
        @include extjs-button-icon('music', 'm');
//        @include extjs-button-icon('folder', 'o');
        @include extjs-button-icon('edit2', 'p');
        @include extjs-button-icon('chat2', 'q');
        @include extjs-button-icon('retweet', 'r');
        @include extjs-button-icon('search', 's');
        @include extjs-button-icon('time', 't');
        @include extjs-button-icon('photo', 'v');
        @include extjs-button-icon('chat', 'w');
        @include extjs-button-icon('settings', 'x');
        @include extjs-button-icon('settings2', 'y');
        @include extjs-button-icon('bookmark', 'z');
        @include extjs-button-icon('link2', 'A');
        @include extjs-button-icon('tweet', 'B');
        @include extjs-button-icon('cloud', 'C');
        @include extjs-button-icon('close', 'D');
//        @include extjs-button-icon('file', 'F');
        @include extjs-button-icon('home', 'H');
        @include extjs-button-icon('key', 'K');
        @include extjs-button-icon('mail', 'M');
        @include extjs-button-icon('paste', 'N');
        @include extjs-button-icon('power', 'Q');
        @include extjs-button-icon('open', 'R');
        @include extjs-button-icon('star', 'S');
        @include extjs-button-icon('person', 'U');
        @include extjs-button-icon('video', 'V');
        @include extjs-button-icon('edit', 'W');
        @include extjs-button-icon('charts', 'Z');
        @include extjs-button-icon('expand', '`');
        @include extjs-button-icon('refresh', '1');
        @include extjs-button-icon('tick', '2');
        @include extjs-button-icon('tick2', '3');
        @include extjs-button-icon('play', '4');
        @include extjs-button-icon('pause', '5');
        @include extjs-button-icon('stop', '6');
        @include extjs-button-icon('forward', '7');
        @include extjs-button-icon('rewind', '8');
        @include extjs-button-icon('play2', '9');
        @include extjs-button-icon('refresh2', '0');
        @include extjs-button-icon('minus', '-');
        @include extjs-button-icon('power', '-');
        @include extjs-button-icon('left', '[');
        @include extjs-button-icon('right', ']');
        @include extjs-button-icon('date', '\\');
        @include extjs-button-icon('shuffle', ';');
        @include extjs-button-icon('wifi', '\'');
        @include extjs-button-icon('speed', ',');
        @include extjs-button-icon('more', '.');
        @include extjs-button-icon('print', '/');
        @include extjs-button-icon('warning', '!');
        @include extjs-button-icon('location', '@');
        @include extjs-button-icon('trash', '#');
        @include extjs-button-icon('cart', '$');
        @include extjs-button-icon('flag', '^');
        @include extjs-button-icon('add', '&');
        @include extjs-button-icon('close', '*');
        @include extjs-button-icon('lock', '(');
        @include extjs-button-icon('unlock', ')');
        @include extjs-button-icon('remove', '_');
        @include extjs-button-icon('add2', '+');
        @include extjs-button-icon('up', '{');
        @include extjs-button-icon('down', '}');
        @include extjs-button-icon('bell', ':');
        @include extjs-button-icon('quote', '"');
        @include extjs-button-icon('novolume', '<');
        @include extjs-button-icon('volume', '>');
        @include extjs-button-icon('question', '?');
    }

    .#{$prefix}btn {
        display: inline-block;
        // @tag ie6hack
        *display: inline;
        position: relative;
        vertical-align: middle;
        background-repeat: no-repeat;
        @extend .mr-white-glove;

        // icons
        // @todo hacking
        &.small {
            .x-btn-icon:after {
                font-size: 16px;
            }
        }

        &.medium {
            .x-btn-icon:before,
            .x-btn-icon:after {
                font-size: 24px;
            }
        }

        &.large {
            .x-btn-icon:before,
            .x-btn-icon:after {
                font-size: 30px;
            }
        }

        em {
            background-repeat: no-repeat;

            // Styles for an anchor button.
            a {
                text-decoration: none;
                display: inline-block;
                color: inherit;
            }
        }

        button {
            margin: 0;
            padding: 0;
            border: 0;
            width: auto;
            background: none;
            @extend .outline-none;
            overflow: hidden;
            vertical-align: bottom;
            -webkit-appearance: none;

            &::-moz-focus-inner {
                border: 0;
                padding: 0;
            }
        }

        .#{$prefix}btn-inner {
            display: block;
            white-space: nowrap;
            background-color: transparent;
            background-repeat: no-repeat;
            background-position: left center;
            @include transition(color);
        }

        .#{$prefix}btn-left .#{$prefix}btn-inner {
            text-align: left;
        }

        .#{$prefix}btn-center .#{$prefix}btn-inner {
            text-align: center;
        }

        .#{$prefix}btn-right .#{$prefix}btn-inner {
            text-align: right;
        }
    }

    .#{$prefix}btn-disabled {
        @include opacity(1);
    }

    .#{$prefix}btn-disabled span {
        @include opacity(.5);

        .#{$prefix}ie6 &,
        .#{$prefix}ie7 & {
            filter: none;
        }
    }

    //remove the opacity rule of IE8
    .#{$prefix}ie7 .#{$prefix}btn-disabled,
    .#{$prefix}ie8 .#{$prefix}btn-disabled {
        filter: none;
    }

    .#{$prefix}ie6 .#{$prefix}btn-disabled,
    .#{$prefix}ie7 .#{$prefix}btn-disabled,
    .#{$prefix}ie8 .#{$prefix}btn-disabled {
        .#{$prefix}btn-icon {
            @include opacity(.6);
        }
    }

    @if $include-ie {
        * html .#{$prefix}ie {
            .#{$prefix}btn button {
                width: 1px;
            }
        }

        .#{$prefix}ie .#{$prefix}btn button {
            overflow-x: visible; /*prevents extra horiz space in IE*/
            vertical-align: baseline; /*IE doesn't like bottom*/
        }

        .#{$prefix}strict .#{$prefix}ie6,
        .#{$prefix}strict .#{$prefix}ie7 {
            .#{$prefix}btn .#{$prefix}frame-mc {
                height: 100%;
            }
        }
    }

    @if not $supports-border-radius or $compile-all {
        .#{$prefix}nbr {
            .#{$prefix}btn {
                .#{$prefix}frame-mc {
                    vertical-align: middle;
                    white-space: nowrap;
                    text-align: center;
                    cursor: pointer;
                }
            }
        }
    }

    // Icon alignment
    .#{$prefix}btn-icon-text-left .#{$prefix}btn-icon { background-position: left center; }
    .#{$prefix}btn-icon-text-right .#{$prefix}btn-icon { background-position: right center; }
    .#{$prefix}btn-icon-text-top .#{$prefix}btn-icon { background-position: center top; }
    .#{$prefix}btn-icon-text-bottom .#{$prefix}btn-icon { background-position: center bottom; }

    .#{$prefix}btn {
        button, a {
            position: relative;

            .#{$prefix}btn-icon {
                position: absolute;
                background-repeat: no-repeat;
            }
        }
    }

    .#{$prefix}btn-arrow-right {
        background: transparent no-repeat right 4px;
        padding-right: $button-arrow-size;

        .#{$prefix}btn-inner {
            padding-right: 0 !important;
        }
    }

    .x-btn-pressed {
        .#{$prefix}btn-arrow-right {
            background-position: right -17px;
        }
    }

    .x-btn-menu-active {
        .#{$prefix}btn-arrow-right {
//            background-position: right -28px;
        }
    }

    .#{$prefix}toolbar .#{$prefix}btn-arrow-right {
        padding-right: $button-toolbar-arrow-size;
    }

    .#{$prefix}btn-arrow-bottom {
        background: transparent no-repeat center bottom;
        padding-bottom: $button-arrow-size;
    }

    .#{$prefix}btn-arrow {
        background-image: theme-background-image($theme-name, 'button/arrow.png');
        display: block;
    }

    //split buttons
    .#{$prefix}btn-split-right,
    .#{$prefix}btn-over .#{$prefix}btn-split-right {
        background: transparent no-repeat right center;
        background-image: theme-background-image($theme-name, 'button/s-arrow.png');
        padding-right: $button-split-size !important;
    }

    .#{$prefix}btn-split-bottom,
    .#{$prefix}btn-over .#{$prefix}btn-split-bottom {
        background: transparent no-repeat center bottom;
        background-image: theme-background-image($theme-name, 'button/s-arrow-b.png');
        padding-bottom: $button-split-size;
    }

    .#{$prefix}toolbar .#{$prefix}btn-split-right {
        background-image: theme-background-image($theme-name, 'button/s-arrow-noline.png');
        padding-right: $button-toolbar-split-size !important;
    }

    .#{$prefix}toolbar .#{$prefix}btn-split-bottom {
        background-image: theme-background-image($theme-name, 'button/s-arrow-b-noline.png');
    }

    .#{$prefix}btn-split {
        display: block;
    }

    .#{$prefix}item-disabled,
    .#{$prefix}item-disabled * {
        cursor: default;
    }

    .#{$prefix}cycle-fixed-width .#{$prefix}btn-inner {
        text-align: inherit;
    }

    .#{$prefix}btn-over .#{$prefix}btn-split-right { background-image: theme-background-image($theme-name, 'button/s-arrow-o.png'); }
    .#{$prefix}btn-over .#{$prefix}btn-split-bottom { background-image: theme-background-image($theme-name, 'button/s-arrow-bo.png'); }

    .#{$prefix}btn-menu-active .#{$prefix}btn-split-right,
    .#{$prefix}btn-pressed .#{$prefix}btn-split-right { background-image: theme-background-image($theme-name, 'button/s-arrow-p.png'); }
    .#{$prefix}btn-menu-active .#{$prefix}btn-split-bottom,
    .#{$prefix}btn-pressed .#{$prefix}btn-split-bottom { background-image: theme-background-image($theme-name, 'button/s-arrow-bp.png'); }

    @if $include-button-uis {
        @include extjs-button-ui( 'default-small',
            $padding: $button-small-padding,
            $text-padding: $button-small-text-padding,
            $icon-size: $button-small-icon-size
        );

        @include extjs-button-ui( 'default-medium',
            $icon-size: $button-medium-icon-size
        );

        @include extjs-button-ui( 'default-large',
            $icon-size: $button-large-icon-size
        );

        @include extjs-button-ui( 'confirm-small',
            $background-color: $confirm-color,
            $icon-size: $button-small-icon-size
        );

        @include extjs-button-ui( 'confirm-medium',
            $background-color: $confirm-color,
            $icon-size: $button-medium-icon-size
        );

        @include extjs-button-ui( 'drastic-medium',
            $background-color: $drastic-color,
            $icon-size: $button-medium-icon-size
        );

        @include extjs-button-ui( 'action-medium',
            $background-color: $base-color,
            $icon-size: $button-medium-icon-size
        );

        @if $include-toolbar-uis {
            @include extjs-toolbar-button-ui( 'default-toolbar-small',
                $icon-size: $button-small-icon-size,
                $text-padding: $button-small-text-padding
            );

            @include extjs-toolbar-button-ui( 'default-toolbar-medium',
                $icon-size: $button-medium-icon-size
            );

            @include extjs-toolbar-button-ui( 'default-toolbar-large',
                $icon-size: $button-large-icon-size
            );
        }
    }

    .#{$prefix}btn-default-toolbar-small-disabled,
    .#{$prefix}btn-default-toolbar-medium-disabled,
    .#{$prefix}btn-default-toolbar-large-disabled {
        border-color: transparent;
        background-image: none;
        background: transparent;
    }
}

// This may move to compat file (new theme will likely have simpler defaults)

@mixin extjs-toolbar-button-ui(
    $ui,
    $icon-size: $button-small-icon-size,
    $text-padding: $button-text-padding
){
    @include extjs-button-ui(
        $ui,
        $color: color-by-background($button-toolbar-background-color, 50%),
        $border-color: $button-toolbar-border-color,
        $border-color-over: $button-toolbar-border-color-over,
        $border-color-pressed: $button-toolbar-border-color-pressed,

        $background-color: $button-toolbar-background-color,
        $background-color-over: $button-toolbar-background-color-over,
        $background-color-pressed: $button-toolbar-background-color-pressed,
        $background-gradient: $button-toolbar-background-gradient,
        $background-gradient-over: $button-toolbar-background-gradient-over,
        $background-gradient-pressed: $button-toolbar-background-gradient-pressed,

        $font-weight: $button-toolbar-font-weight,
        $font-family: $button-toolbar-font-family,
        $font-size: $button-toolbar-font-size
    );
}

@mixin extjs-button-ui(
    $ui,

    $border-radius: $button-border-radius,
    $border-width: $button-border-width,

    $padding: $button-padding,
    $text-padding: $button-text-padding,

    $background-color: $button-base-color,
    $background-color-over: color-offset($background-color, 10%),
    $background-color-focus: $background-color-over,
    $background-color-pressed: color-offset($background-color, 10%, dark),
    $background-color-disabled: $background-color,

    $border-color: darken($background-color, 20%),
    $border-color-over: $border-color,
    $border-color-focus: $border-color,
    $border-color-pressed: $border-color,
    $border-color-disabled: $border-color,

    $background-gradient: $button-background-gradient,
    $background-gradient-over: $button-background-gradient-over,
    $background-gradient-focus: $button-background-gradient-over,
    $background-gradient-pressed: $button-background-gradient-pressed,
    $background-gradient-disabled: $button-background-gradient,

    $color: color-by-background($background-color, 60%),
    $color-over: color-by-background($background-color-over, 70%),
    $color-focus: $color,
    $color-pressed: color-by-background($background-color-pressed, 80%),
    $color-disabled: $button-color-disabled,

    $font-size: $button-font-size,
    $font-size-over: $font-size,
    $font-size-focus: $font-size,
    $font-size-pressed: $font-size,
    $font-size-disabled: $font-size,

    $font-weight: $button-font-weight,
    $font-weight-over: $font-weight,
    $font-weight-focus: $font-weight,
    $font-weight-pressed: $font-weight,
    $font-weight-disabled: $font-weight,

    $font-family: $button-font-family,
    $font-family-over: $font-family,
    $font-family-focus: $font-family,
    $font-family-pressed: $font-family,
    $font-family-disabled: $font-family,

    $icon-size: $button-small-icon-size
) {
    .#{$prefix}btn-#{$ui} {
        border-color: $border-color;
    }

    .#{$prefix}btn-#{$ui} .#{$prefix}btn-inner {
        font-size: $font-size;
        font-weight: $font-weight;
        font-family: $font-family;
        color: $color;
        background-repeat: no-repeat;
        padding: 0 $text-padding;
        @if $include-button-highlights {
            @include inset-by-background($background-color);
        }
    }

    @include x-frame('btn', $ui, $border-radius, $border-width, $padding, $background-color, $background-gradient, true);

    // Icons
    @if $include-default-button-icons {
        .x-btn-icon:after {
            @include background-gradient($color, matte);
        }

        @if $color-over != $color {
            .#{$prefix}btn-#{$ui}-over {
                .x-btn-icon:after {
                    @include background-gradient($color-over, matte);
                }
            }
        }

        @if $color-focus != $color {
            .#{$prefix}btn-#{$ui}-focus {
                .x-btn-icon:after {
                    @include background-gradient($color-focus, matte);
                }
            }
        }

        @if $color-pressed != $color {
            .#{$prefix}btn-#{$ui}-menu-active,
            .#{$prefix}btn-#{$ui}-pressed {
                .x-btn-icon:after {
                    @include background-gradient($color-pressed, matte);
                }
            }
        }
    }

    .#{$prefix}btn-#{$ui}-icon,
    .#{$prefix}btn-#{$ui}-noicon {
        button,
        .#{$prefix}btn-inner {
            height: $icon-size;
            line-height: $icon-size;
        }
    }

    //icons
    .#{$prefix}btn-#{$ui}-icon {
        button {
            padding: 0;
            width: $icon-size !important;
            height: $icon-size;
        }

        .#{$prefix}btn-icon {
            width: $icon-size;
            height: $icon-size;
            top: 0;
            left: 0;
            bottom: 0;
            right: 0;
        }
    }

    .#{$prefix}btn-#{$ui}-icon-text-left {
        button {
            height: $icon-size;
        }
        .#{$prefix}btn-inner {
            height: $icon-size;
            line-height: $icon-size;
            padding-left: $icon-size + 4px;
        }

        .#{$prefix}btn-icon {
            width: $icon-size;
            height: auto;
            top: 0;
            left: 0;
            bottom: 0;
            right: auto;

            .#{$prefix}ie6 &,
            .#{$prefix}quirks & {
                height: $icon-size;
            }
        }
    }

    .#{$prefix}btn-#{$ui}-icon-text-right {
        button {
            height: $icon-size;
        }
        .#{$prefix}btn-inner {
            height: $icon-size;
            line-height: $icon-size;
            padding-right: $icon-size + 4px !important;
        }

        .#{$prefix}btn-icon {
            width: $icon-size;
            height: auto;
            top: 0;
            left: auto;
            bottom: 0;
            right: 0;

            .#{$prefix}ie6 &,
            .#{$prefix}quirks & {
                height: $icon-size;
            }
        }
    }

    .#{$prefix}btn-#{$ui}-icon-text-top {
        .#{$prefix}btn-inner {
            padding-top: $icon-size + 4px;
        }

        .#{$prefix}btn-icon {
            width: auto;
            height: $icon-size;
            top: 0;
            left: 0;
            bottom: auto;
            right: 0;

            .#{$prefix}ie6 &,
            .#{$prefix}quirks .#{$prefix}ie & {
                width: $icon-size;
            }
        }
    }

    .#{$prefix}btn-#{$ui}-icon-text-bottom {
        .#{$prefix}btn-inner {
            padding-bottom: $icon-size + 4px;
        }

        .#{$prefix}btn-icon {
            width: auto;
            height: $icon-size;
            top: auto;
            left: 0;
            bottom: 0;
            right: 0;

            .#{$prefix}ie6 &,
            .#{$prefix}quirks .#{$prefix}ie & {
                width: $icon-size;
            }
        }
    }

    .#{$prefix}btn-#{$ui}-over {
        @if $border-color-over != $border-color {
            border-color: $border-color-over;
        }
        @if $background-color-over != null {
            @include background-gradient($background-color-over, $background-gradient-over);
        }

        .#{$prefix}btn-inner {
            @if $color-over != $color {
                color: $color-over;
            }
            @if $font-weight-over != $font-weight {
                font-weight: $font-weight-over;
            }
            @if $font-size-over != $font-size {
                font-size: $font-size-over;
            }
            @if $font-family-over != $font-family {
                font-family: $font-family-over;
            }
//            @if $include-button-highlights {
//                @include inset-by-background($background-color-over);
//            }
        }

        // @todo IE6ify?
//        @if $include-button-highlights {
//            @include box-shadow($css-shadow-background-color 0 1px 1px);
//        }
    }

    .#{$prefix}btn-#{$ui}-focus {
        @if $border-color-focus != $border-color {
            border-color: $border-color-focus;
        }
        @if $background-color-focus != null {
            @include background-gradient($background-color-focus, $background-gradient-focus);
        }

        .#{$prefix}btn-inner {
            @if $color-focus != $color {
                color: $color-focus;
            }
            @if $font-weight-focus != $font-weight {
                font-weight: $font-weight-focus;
            }
            @if $font-size-focus != $font-size {
                font-size: $font-size-focus;
            }
            @if $font-family-focus != $font-family {
                font-family: $font-family-focus;
            }
        }
    }

    .#{$prefix}btn-#{$ui}-menu-active,
    .#{$prefix}btn-#{$ui}-pressed {
        @if $border-color-pressed != $border-color {
            border-color: $border-color-pressed;
        }
        @if $include-button-highlights {
            @include box-shadow(none);
        }
        @if $background-color-pressed != null {
            @include background-gradient($background-color-pressed, $background-gradient-pressed);
        }

        .#{$prefix}btn-inner {
            @if $color-pressed != $color {
                color: $color-pressed;
            }
            @if $font-weight-pressed != $font-weight {
                font-weight: $font-weight-pressed;
            }
            @if $font-size-pressed != $font-size {
                font-size: $font-size-pressed;
            }
            @if $font-family-pressed != $font-family {
                font-family: $font-family-pressed;
            }
            @if $include-button-highlights {
                @include inset-by-background($background-color-pressed);
            }
        }
    }

    .#{$prefix}btn-#{$ui}-menu-active {
        @include border-bottom-radius(0);
    }

//    .#{$prefix}btn-#{$ui}-menu-active {
//        border-color: #fff;
////        border: 0;
//        @include border-bottom-radius(0);

//        background-image: none;
//        background: #fff;

//        @include box-shadow(#CACAC9 0 0 4px);

//        .#{$prefix}btn-inner {
//            color: #010101;
//            font-weight: bold;
//        }
//    }

    .#{$prefix}btn-#{$ui}-disabled {
        @if $border-color-disabled != $border-color {
            border-color: $border-color-disabled;
        }
        @if $background-color-disabled != null {
            @include background-gradient($background-color-disabled, $background-gradient-disabled);
        }

        .#{$prefix}btn-inner {
            @if $color-disabled != $color {
                color: $color !important;
            }
            @if $font-weight-disabled != $font-weight {
                font-weight: $font-weight-disabled;
            }
            @if $font-size-disabled != $font-size {
                font-size: $font-size-disabled;
            }
            @if $font-family-disabled != $font-family {
                font-family: $font-family-disabled;
            }
        }
    }

    .#{$prefix}ie .#{$prefix}btn-#{$ui}-disabled {
        .#{$prefix}btn-inner {
            @if $color-disabled != $color {
                color: darken($color-disabled, 20) !important;
            }
        }
    }

    .#{$prefix}ie6 .#{$prefix}btn-#{$ui}-disabled {
        .#{$prefix}btn-inner {
            @if $color-disabled != $color {
                color: $color-disabled !important;
            }
        }
    }

    @if not $supports-border-radius or $compile-all {
        .#{$prefix}nbr {
            .#{$prefix}btn-#{$ui}-over {
                .#{$prefix}frame-tl,
                .#{$prefix}frame-bl,
                .#{$prefix}frame-tr,
                .#{$prefix}frame-br,
                .#{$prefix}frame-tc,
                .#{$prefix}frame-bc {
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-over-corners.gif');
                }
                .#{$prefix}frame-ml,
                .#{$prefix}frame-mr {
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-over-sides.gif');
                }
                .#{$prefix}frame-mc {
                    background-color: $background-color-over;
                    @if $background-gradient-over != null {
                        background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-over-bg.gif');
                    }
                }
            }

            .#{$prefix}btn-#{$ui}-focus {
                .#{$prefix}frame-tl,
                .#{$prefix}frame-bl,
                .#{$prefix}frame-tr,
                .#{$prefix}frame-br,
                .#{$prefix}frame-tc,
                .#{$prefix}frame-bc {
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-focus-corners.gif');
                }
                .#{$prefix}frame-ml,
                .#{$prefix}frame-mr {
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-focus-sides.gif');
                }
                .#{$prefix}frame-mc {
                    background-color: $background-color-focus;
                    @if $background-gradient-focus != null {
                        background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-focus-bg.gif');
                    }
                }
            }

            .#{$prefix}btn-#{$ui}-menu-active,
            .#{$prefix}btn-#{$ui}-pressed {
                .#{$prefix}frame-tl,
                .#{$prefix}frame-bl,
                .#{$prefix}frame-tr,
                .#{$prefix}frame-br,
                .#{$prefix}frame-tc,
                .#{$prefix}frame-bc {
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-pressed-corners.gif');
                }
                .#{$prefix}frame-ml,
                .#{$prefix}frame-mr {
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-pressed-sides.gif');
                }
                .#{$prefix}frame-mc {
                    background-color: $background-color-pressed;
                    @if $background-gradient-pressed != null {
                        background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-pressed-bg.gif');
                    }
                }
            }

            .#{$prefix}btn-#{$ui}-disabled {
                .#{$prefix}frame-tl,
                .#{$prefix}frame-bl,
                .#{$prefix}frame-tr,
                .#{$prefix}frame-br,
                .#{$prefix}frame-tc,
                .#{$prefix}frame-bc {
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-disabled-corners.gif');
                }
                .#{$prefix}frame-ml,
                .#{$prefix}frame-mr {
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-disabled-sides.gif');
                }
                .#{$prefix}frame-mc {
                    background-color: $background-color-disabled;
                    @if $background-gradient-disabled != null {
                        background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-disabled-bg.gif');
                    }
                }
            }
        }
    }

    @if not $supports-gradients or $compile-all {
        @if $background-gradient != null {
            .#{$prefix}nlg {
                .#{$prefix}btn-#{$ui} {
                    background-repeat: repeat-x;
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-bg.gif');
                }
            }
        }

        @if $background-gradient-over != null {
            .#{$prefix}nlg {
                .#{$prefix}btn-#{$ui}-over {
                    background-repeat: repeat-x;
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-over-bg.gif');
                }
            }
        }

        @if $background-gradient-focus != null {
            .#{$prefix}nlg {
                .#{$prefix}btn-#{$ui}-focus {
                    background-repeat: repeat-x;
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-focus-bg.gif');
                }
            }
        }

        @if $background-gradient-pressed != null {
            .#{$prefix}nlg {
                .#{$prefix}btn-#{$ui}-menu-active,
                .#{$prefix}btn-#{$ui}-pressed {
                    background-repeat: repeat-x;
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-pressed-bg.gif');
                }
            }
        }

        @if $background-gradient-disabled != null {
            .#{$prefix}nlg {
                .#{$prefix}btn-#{$ui}-disabled {
                    background-repeat: repeat-x;
                    background-image: theme-background-image($theme-name, 'btn/btn-#{$ui}-disabled-bg.gif');
                }
            }
        }
    }
};

@mixin extjs-button-icon($name, $key, $size: 17px, $top: null, $left: null) {
    .#{$name} {
        @include pictos($key, $color: #fff, $size: $size, $include-states: false, $shadow: false, $border-color: false);

        &:after {
            @if $top {
                top: $top;
            }

            @if $left {
                left: $left;
            }
        }
    }
}