numix-gtk-theme/gtk-3.20/scss/widgets/_menu.scss

@import "entry";


/*********
 ! Menubar
**********/

@include exports("menubar") {
    .menubar, menubar {
        -GtkWidget-window-dragging: true;

        border: 0;
        background-color: $menubar_bg_color;
        background-image: none;
        color: $menubar_fg_color;


        &.menuitem, .menuitem, menuitem {
            padding: $spacing ($spacing * 2);
            border: 1px solid transparent;
            background-color: transparent;
            background-image: none;
            color: $menu_fg_color;

            &:hover {
                border-color: mix($menu_bg_color, $menu_fg_color, .21);
                background-color: mix($menu_bg_color, $menu_fg_color, .21);
                background-image: none;
                color: shade($menu_fg_color, 1.08);
            }

            *:hover { color: shade($menu_fg_color, 1.08); }
        }
    }
}


/******
 ! Menu
*******/

@include exports("menu") {
    * {
        padding: 0;
    }

    combobox {
        &.menu, .menu, menu {
            background-color: $menu_bg_color;
            margin: $spacing;
        }
    }

    #toolbar-popup, menu {
        padding: 0;
        border-radius: 0;
        border: 0;
        background-color: $menu_bg_color;
        color: $menu_fg_color;

        &:checked { background-color: $selected_bg_color; }

        button {
            &, &:hover, &:active, &:active *:disabled, &:disabled {
                border-width: 0;
                background-color: transparent;
                background-image: none;
            }
        }
    }

    menuitem window decoration {
        box-shadow: 0 2px 3px rgba(0,0,0,.2);
    }

    .context-menu { font: initial; }

    .menuitem, menuitem {
        &, menu & {
            margin: $spacing;
            padding: $spacing 8px;
            border: 0;
            border-radius: 0;
            background-color: transparent;
            background-image: none;

            -GtkMenuItem-arrow-scaling: .5;

            menu &:last-child {
                padding-bottom: 8px;
            }
            menu &:first-child {
                padding-top: 8px;
            }

            &:active, &:hover {
                border: 0;
                background-color: $selected_bg_color;
                background-image: none;
                color: $selected_fg_color;
            }

            *:active, *:hover { color: $selected_fg_color; }

            &:disabled, *:disabled { color: mix($menu_fg_color, $menu_bg_color, .5); }
        }

        &.check, &.radio {
            &, &:focus, &:hover, &:disabled { background-image: none; }

            &, &:focus, &:hover, &:active, &:disabled {
                border-style: none;
                background-color: transparent;
            }
        }

        &.separator {
            padding: 0;

            border-style: none;
            color: shade($menu_bg_color, ($contrast + .1));
        }

        &.button, &.button.flat {
            &, &:focus, &:active, &:disabled, &:active:disabled {
                background-color: transparent;
                background-image: none;
                border: 0;
                box-shadow: none;
                color: currentColor;
            }

            &:hover, &:focus:hover, &:active:hover, &:selected {
                background-image: none;
                background-color: $selected_bg_color;
                color: $selected_fg_color;
            }
        }

        calendar {
            &:indeterminate { color: mix($menu_fg_color, $menu_bg_color, .5); }

            .button {
                border-style: none;
                background-color: transparent;
                background-image: none;
            }
        }

        .accelerator {
            color: alpha($menu_fg_color, .6);

            &:hover { color: alpha($selected_fg_color, .8); }

            &:disabled { color: alpha(mix($menu_fg_color, $menu_bg_color, .5), .4); }
        }

        entry { @include entry($menu_bg_color, $menu_fg_color); }
    }
}

%undecorated_button {
    border-color: transparent;
    background-color: transparent;
    background-image: none;
    box-shadow: none;
}


/*********
 ! Popover
**********/

@include exports("popover") {
    popover {
        @include border($menu_bg_color);
        margin: 10px;
        padding: $spacing;
        border-radius: $roundness;
        border-width: 1px;
        border-style: solid;
        background-clip: border-box;
        background-color: $menu_bg_color;
        background-image: none;
        color: $menu_fg_color;
        box-shadow: 0 3px 6px alpha($black, .16);

        &.background {
            background-image: none;
            background-color: $menu_bg_color;
            color: $menu_fg_color;
        }

        &:backdrop { box-shadow: none; }

        .osd & {
            box-shadow: 0 2px 7px 3px alpha($black, .5);

            > toolbar button {
                border-radius: 0;
                border-width: 0;
                background-color: transparent;
                background-image: none;
            }
        }

        view, .view, list {
            background-color: transparent;
            background-image: none;
            color: $menu_fg_color;
        }

        .list-row, list row {
            &, & .button {
                background-color: transparent;
                background-image: none;
                color: $menu_fg_color;

                &:focus, &:hover, &:active {
                    background-image: none;
                    background-color: $selected_bg_color;
                    color: $selected_fg_color;
                }
            }
        }

        frame {
            border-color: border_normal($menu_bg_color);
            border-radius: $roundness;
        }

        entry { @include entry($menu_bg_color, $menu_fg_color);  }

        button { @include button($menu_bg_color, $menu_fg_color);  }

        > list, > view, > toolbar { background-color: transparent; }

        separator {
            border: 0;
            background-color: transparent;
            color: alpha($menu_bg_color, .5);
            font-size: 80%;
            font-weight: bold;
        }
    }

    modelbutton {
        padding: $spacing ($spacing + 2px);
        border: none;
        transition: 150ms ease;
        outline-color: transparent;

        &, &:backdrop, &.flat, &.flat:backdrop {
            //@extend %undecorated_button;

            &:hover { background-color: $selected_bg_color; color: $selected_fg_color }
            &:active, &:selected { &, arrow { @extend %selected_items; } }
            &:checked { color: $fg_color; }

            // FIXME: temporary workaround
            check:last-child,
            radio:last-child { margin-left: 8px; }

            check:first-child,
            radio:first-child { margin-right: 8px; }

            &.flat arrow {
                &.left { -gtk-icon-source: -gtk-icontheme("pan-start-symbolic"); }
                &.right { -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); }
            }
        }
    }
}