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

@import "button";


/*******
 ! OSD *
********/

@include exports("osd") {
    overlay.osd { background-color: transparent; }

    button.osd {
        @include button($osd_bg, $osd_fg);

        &.image-button {
            padding: 0;
            min-height: 36px;
            min-width: 36px;
        }
    }

    // stand-alone OSD toolbars
    toolbar.osd {
        -GtkToolbar-button-relief: normal;

        padding: $spacing;
        border: 1px solid border_normal($osd_bg);
        border-radius: $roundness;
        background-color: $osd_bg;
        background-image: none;
        color: $osd_fg;

        separator { color: shade($osd_bg, ($contrast + .1)); }

        &.left,
        &.right,
        &.top,
        &.bottom { border-radius: 0; } // positional classes for `attached` osd toolbars
    }

    .osd {
        background-color: $osd_bg;
        color: $osd_fg;

        &.background {
            background-color: alpha($osd_bg, .8);
            color: $osd_fg;
        }

        .frame {
            background-clip: border-box;
            background-origin: border-box;
        }

        button { @include button($osd_bg, $osd_fg); }

        entry { @include entry($osd_base, $osd_text_color, $osd_borders_color); }

        /* used by gnome-settings-daemon's media-keys OSD */
        trough { background-color: shade($osd_bg, .8); }

        progressbar { background-color: $osd_fg; }

        scale {
            slider {
                @include linear-gradient(shade($osd_bg, 1.08));
                @include border($osd_bg);

                &:disabled { @include linear-gradient(shade($osd_bg, .9)); }
            }

            trough {
                border-color: shade($osd_bg, .8);
                background-color: shade($osd_bg, 1.08);
                background-image: none;

                &.highlight {
                    border-color: $selected_bg_color;
                    background-color: $selected_bg_color;
                    background-image: none;
                }

                &:disabled, &.highlight:disabled {
                    border-color: shade($osd_bg, .85);
                    background-color: shade($osd_bg, .9);
                    background-image: none;
                }
            }
        }

        &.view, .view, view { background-color: $osd_bg; }

        scrollbar {
            trough { background-color: $osd_bg; }

            slider {
                border: 1px solid mix(shade($osd_bg, .87), $osd_fg, .21);
                border-radius: 0;
                background-color: mix($osd_bg, $osd_fg, .21);

                &:hover {
                    border-color: mix(shade($osd_bg, .87), $osd_fg, .31);
                    background-color: mix($osd_bg, $osd_fg, .31);
                }

                &:active {
                    border-color: shade($selected_bg_color, .9);
                    background-color: $selected_bg_color;
                }
            }
        }

        iconview.cell {
            &:selected, &:selected:focus {
                background-color: transparent;
                border: 3px solid mix(shade($osd_bg, .87), $osd_fg, .21);
                border-radius: $roundness;
                outline-color: transparent;
            }
        }

        /* used by Documents */
        .page-thumbnail {
            border: 1px solid shade($osd_bg, .9);
            /* when there's no pixbuf yet */
            background-color: $osd_bg;
        }

        spinbutton {
            // OSD horizontal
            &:not(.vertical) {
                @include linear-gradient($osd_base, to top);
                @include border($osd_base);

                padding: 0;

                color: $osd_text_color;
                caret-color: $osd_text_color;

                &:focus, &:active { border-color: border_focus($osd_borders_color); }

                &:disabled {
                    @include linear-gradient(shade($osd_base, .9), to top);

                    color: mix($osd_base, $osd_text_color, .5);
                }

                button {
                    @include button($osd_bg, $osd_fg);

                    border-radius: 0;
                    border-color: transparentize($osd_borders_color, .3);
                    border-style: none none none solid;
                    background-image: none;
                    box-shadow: none;

                    &:dir(rtl) { border-style: none solid none none; }

                    &:active, &:checked, &:hover { color: $osd_text_color; }

                    &:disabled { color: alpha($osd_insensitive_fg_color, .8); }

                    &:backdrop { color: mix($backdrop_base_color, $backdrop_fg_color, .9); }

                    &:active { box-shadow: inset 0 2px 3px -1px transparentize($black, .8); }

                    &:backdrop:disabled {
                        color: alpha($backdrop_insensitive_color, .8);

                        border-style: none none none solid; // It is needed or it gets overridden

                        &:dir(rtl) { border-style: none solid none none; }
                    }

                    &:dir(rtl):first-child { border-radius: $roundness 0 0 $roundness; }

                    &:dir(ltr):last-child { border-radius: 0 $roundness $roundness 0; }
                }
            }

            // OSD vertical
            &.vertical button:first-child {
                @include button($osd_bg, $osd_fg);
            }
        }
    }
}