// Drawing mixins // generic drawing of more complex things // // Helper mixin for drawing visible focus rings // // If $target is specified, the focus ring is applied to the specified child element. // If $outer is true, the focus ring extends outward. Otherwise, it extends inward. // If $within is true, use focus-within instead of focus:focus-visible // @mixin focus-ring($target: null, $width: 2px, $offset: -$width, $outer: false, $focus-state: 'focus:focus-visible', $fc: $focus_border_color) { & #{$target} { outline: 0 solid transparent; outline-offset: if($outer, $offset + 4px, $offset + $width + 4px); } &:#{$focus-state} #{$target} { outline-color: $fc; outline-width: $width; outline-offset: $offset; } } @function _widget_edge($c:$borders_edge) { // outer highlight "used" on most widgets @if $c == none { @return none; } @else { @return 0 1px $c; } } @mixin _shadows($list...) { // // Helper mixin to stack up to box-shadows; // $shadows: null; @each $shadow in $list { @if $shadow!=none { $shadows: $shadows, $shadow; } } box-shadow: $shadows; } // entries @mixin entry($t, $fc:$focus_border_color, $edge: none) { // // Entries drawing function // // $t: entry type // $fc: focus color // $edge: set to none to not draw the bottom edge or specify a color to not // use the default one // // possible $t values: // normal, focus, insensitive, backdrop, backdrop-insensitive, osd, osd-focus, osd-backdrop, block_cursor; // $_blank_edge: if($edge == none, none, 0 1px transparentize($edge, 1)); $_entry_edge: if($edge == none, none, _widget_edge($edge)); @if $t==normal { color: $text_color; border-color: $borders_color; background-color: $base_color; // for the transition to work the number of shadows in different states needs to match, hence the transparent shadow here. } @if $t==insensitive { color: $insensitive_fg_color; border-color: $borders_color; background-color: $insensitive_bg_color; box-shadow: $_entry_edge; } @if $t==backdrop { color: $backdrop_text_color; border-color: $backdrop_borders_color; background-color: $backdrop_base_color; box-shadow: $_blank_edge; } @if $t==backdrop-insensitive { color: $backdrop_insensitive_color; border-color: $backdrop_borders_color; background-color: $insensitive_bg_color; box-shadow: $_blank_edge; } @if $t==osd { color: $osd_text_color; border-color: $osd_borders_color; background-color: transparentize(opacify($osd_borders_color, 1), 0.5); background-clip: padding-box; box-shadow: none; text-shadow: 0 1px black; -gtk-icon-shadow: 0 1px black; } @if $t==osd-focus { color: $osd_text_color; border-color: $selected_bg_color; background-color: transparentize(opacify($osd_borders_color, 1), 0.5); background-clip: padding-box; text-shadow: 0 1px black; -gtk-icon-shadow: 0 1px black; } @if $t==osd-insensitive { color: $osd_insensitive_fg_color; border-color: $osd_borders_color; background-color: $osd_insensitive_bg_color; background-clip: padding-box; box-shadow: none; text-shadow: none; -gtk-icon-shadow: none; } @if $t==osd-backdrop { color: $osd_text_color; border-color: $osd_borders_color; background-color: transparentize(opacify($osd_borders_color, 1), 0.5); background-clip: padding-box; box-shadow: none; text-shadow: none; -gtk-icon-shadow: none; } @if $t==block_cursor { color: $base_color; background-color: $text_color; } } // buttons @function _border_color($c, $darker: false) { @if $darker == true { @return darken($c, 20%); } @else { @return darken($c, 10%); } } @function _button_hilight_color($c) { // // calculate the right top highlight color for buttons // // $c: base color; // @if lightness($c)>95% { @return white; } @else if lightness($c)>90% { @return transparentize(white, 0.2); } @else if lightness($c)>80% { @return transparentize(white, 0.5); } @else if lightness($c)>50% { @return transparentize(white, 0.8); } @else if lightness($c)>40% { @return transparentize(white, 0.9); } @else { @return transparentize(white, 0.98); } } @mixin button($t, $c:$bg_color, $tc:$fg_color, $edge: none) { // // Button drawing function // // $t: button type, // $c: base button color for colored* types // $tc: optional text color for colored* types // $edge: set to none to not draw the bottom edge or specify a color to not // use the default one // // possible $t values: // normal, hover, active, insensitive, insensitive-active, // backdrop, backdrop-active, backdrop-insensitive, backdrop-insensitive-active, // osd, osd-hover, osd-active, osd-insensitive, osd-backdrop, undecorated // $_hilight_color: _button_hilight_color($c); $_button_edge: if($edge == none, none, _widget_edge($edge)); $_blank_edge: if($edge == none, none, _widget_edge(transparentize($edge,1))); $_button_shadow: 0 1px 2px transparentize($shadow_color, 0.03); @if $t==normal { // // normal button // color: $tc; outline-color: if($c != $bg_color, $alt_focus_border_color, $focus_border_color); border-color: if($c != $bg_color, _border_color($c), $borders_color); border-bottom-color: if($c != $bg_color, _border_color($c, true), $alt_borders_color); background-image: if($variant == 'light', linear-gradient(to top, darken($c, 4%) 2px, $c), linear-gradient(to top, darken($c,1%) 2px, $c)); @include _shadows(inset 0 1px $_hilight_color, $_button_edge, $_button_shadow); } @else if $t==hover { // // hovered button // color: $tc; border-color: if($c != $bg_color, _border_color($c), $borders_color); border-bottom-color: if($c != $bg_color, _border_color($c, true), $alt_borders_color); @if $variant == 'light' { background-image: linear-gradient(to top, darken($c,16%), darken($c,8%) 1px); @include _shadows(inset 0 1px darken($c,1%), $_button_edge, $_button_shadow); } @else { background-image: linear-gradient(to top, darken($c,4%) 20%, darken($c, 3%) 90%); @include _shadows(inset 0 1px $c, $_button_edge, $_button_shadow); } } @if $t==normal-alt { // // normal button alternative look // color: $tc; outline-color: if($c != $bg_color, $alt_focus_border_color, $focus_border_color); border-color: if($c != $bg_color, _border_color($c, true), $alt_borders_color); //colored buttons @if $variant == 'light' { background-image: linear-gradient(to bottom, lighten($c, 5%) 20%, $c 90%); @include _shadows(inset 0 1px _button_hilight_color(lighten($c, 6%)), $_button_edge, $_button_shadow); } @else { background-image: linear-gradient(to bottom, darken($c, 3%) 20%, darken($c, 6%) 90%); @include _shadows(inset 0 1px $_hilight_color, $_button_edge, $_button_shadow); } } @else if $t==active { // // pushed button // color: $tc; border-color: if($c != $bg_color, _border_color($c), $borders_color); background-image: if($variant == 'light', image(darken($c, 14%)), image(darken($c, 9%))); @include _shadows(inset 0 1px transparentize($_hilight_color, 1), $_button_edge); text-shadow: none; -gtk-icon-shadow: none; } @else if $t==insensitive { // // insensitive button // $_bg: if($c != $bg_color, mix($c, $base_color, 85%), $insensitive_bg_color); color: if($tc != $fg_color, mix($tc, $_bg, 50%), $insensitive_fg_color); border-color: if($c != $bg_color, _border_color($c), $insensitive_borders_color); background-image: image($_bg); text-shadow: none; -gtk-icon-shadow: none; // white with 0 alpha to avoid an ugly transition, since no color means // black with 0 alpha @include _shadows(inset 0 1px transparentize(white, 1), $_button_edge); } @else if $t==insensitive-active { // // insensitive pushed button // $_bg: if($variant == 'light', darken(mix($c, $base_color, 85%), 8%), darken(mix($c, $base_color, 85%), 6%)); $_bc: if($c != $bg_color, _border_color($c), $insensitive_borders_color); color: if($c != $bg_color, mix($tc, $_bg, 60%), $insensitive_fg_color); border-color: $_bc; background-image: image($_bg); // white with 0 alpha to avoid an ugly transition, since no color means // black with 0 alpha @include _shadows(inset 0 1px transparentize(white, 1), $_button_edge); } @else if $t==backdrop { // // backdrop button // $_bg: if($c != $bg_color, $c, $backdrop_bg_color); $_bc: if($variant == 'light', $c, _border_color($c)); color: if($tc != $fg_color, mix($tc, $_bg, 80%), $backdrop_fg_color); border-color: if($c != $bg_color, $_bc, $backdrop_borders_color); background-image: image($_bg); text-shadow: none; -gtk-icon-shadow: none; @include _shadows(inset 0 1px transparentize(white, 1), $_blank_edge); } @else if $t==backdrop-active { // // backdrop pushed button // $_bg: if($variant == 'light', darken(mix($c, $base_color, 85%), 8%), darken(mix($c, $base_color, 85%), 4%)); $_bc: if($variant == 'light', $_bg ,_border_color($c)); color: if($tc != $fg_color, mix($tc, $_bg, 80%), $backdrop_fg_color); border-color: if($c != $bg_color, $_bc, $backdrop_borders_color); background-image: image($_bg); @include _shadows(inset 0 1px transparentize(white, 1), $_blank_edge); } @else if $t==backdrop-insensitive { // // backdrop insensitive button // $_bg: if($c != $bg_color, mix($c, $base_color, 85%), $insensitive_bg_color); $_bc: if($variant == 'light', $_bg,_border_color($c)); color: if($c != $bg_color, mix($tc, $_bg, 35%), $backdrop_insensitive_color); border-color: if($c != $bg_color, $_bc, $backdrop_borders_color); background-image: image($_bg); text-shadow: none; -gtk-icon-shadow: none; // white with 0 alpha to avoid an ugly transition, since no color means // black with 0 alpha @include _shadows(inset 0 1px transparentize(white, 1), $_blank_edge); } @else if $t==backdrop-insensitive-active { // // backdrop insensitive pushed button // $_bg: if($variant == 'light', darken(mix($c, $base_color, 85%), 8%), darken(mix($c, $base_color, 85%), 4%)); $_bc: if($variant == 'light', $_bg, _border_color($c)); color: if($c != $bg_color, mix($tc, $_bg, 35%), $backdrop_insensitive_color); border-color: if($c != $bg_color, $_bc, $backdrop_borders_color); background-image: image($_bg); @include _shadows(inset 0 1px transparentize(white, 1), $_blank_edge); } @else if $t==osd { // // normal osd button // $_bg: if($c != $bg_color, transparentize($c, 0.5), $osd_bg_color); color: $osd_fg_color; outline-color: if($c != $bg_color, $alt_focus_border_color, $focus_border_color); border-color: $osd_borders_color; background-color: transparent; background-image: image($_bg); background-clip: padding-box; box-shadow: inset 0 1px transparentize(white, 0.9); text-shadow: none; -gtk-icon-shadow: none; } @else if $t==osd-hover { // // active osd button // $_bg: if($c != $bg_color, transparentize($c, 0.3), darken($osd_bg_color, 10%)); color: white; border-color: $osd_borders_color; background-color: transparent; background-image: image($_bg); background-clip: padding-box; box-shadow: inset 0 1px transparentize(white, 0.9); text-shadow: none; -gtk-icon-shadow: none; } @else if $t==osd-active { // // active osd button // $_bg: if($c != $bg_color, $c, darken($osd_bg_color, 20%)); color: white; border-color: $osd_borders_color; background-color: transparent; background-image: image($_bg); background-clip: padding-box; box-shadow: none; text-shadow: none; -gtk-icon-shadow: none; } @else if $t==osd-insensitive { // // insensitive osd button // color: $osd_insensitive_fg_color; border-color: $osd_borders_color; background-color: transparent; background-image: image($osd_insensitive_bg_color); background-clip: padding-box; box-shadow: none; text-shadow: none; -gtk-icon-shadow: none; } @else if $t==osd-backdrop { // // backdrop osd button // $_bg: if($c != $bg_color, transparentize($c, 0.5), $osd_bg_color); color: $osd_fg_color; border-color: $osd_borders_color; background-color: transparent; background-image: image($_bg); background-clip: padding-box; box-shadow: none; text-shadow: none; -gtk-icon-shadow: none; } @else if $t==undecorated { // // reset // border-color: transparent; background-color: transparent; background-image: none; @include _shadows(inset 0 1px transparentize(white, 1), $_blank_edge); text-shadow: none; -gtk-icon-shadow: none; } @else if $t==undecorated-hover { border-color: transparent; background-image: none; box-shadow: none; text-shadow: none; @if $variant == 'light' { background-color: darken($c,14%); } @else { background-color: darken($c,1%); } } @else if $t==undecorated-active { border-color: transparent; background-image: none; box-shadow: none; text-shadow: none; @if $variant == 'light' { background-color: darken($c,20%); } @else { background-color: darken($c,5%); } } } @mixin headerbar_fill($c:$headerbar_bg_color, $hc:$top_hilight, $ov: none) { // // headerbar fill // // $c: base color // $hc: top highlight color // $ov: a background layer for background shorthand (hence no commas!) // $gradient: linear-gradient(to top, darken($c, 2%), lighten($c, 1%)); @if $variant == 'dark' { $gradient: linear-gradient(to top, lighten($c, 4%), lighten($c, 6%)); } @if $ov != none { background: $c $ov, $gradient; } @else { background: $c $gradient; } box-shadow: inset 0 1px $hc; // top highlight } @mixin overshoot($p, $t:normal, $c:$fg_color) { // // overshoot // // $p: position // $t: type // $c: base color // // possible $p values: // top, bottom, right, left // // possible $t values: // normal, backdrop // $_small_gradient_length: 3%; $_big_gradient_length: 50%; $_small_gradient_size: 100% $_small_gradient_length; $_big_gradient_size: 100% $_big_gradient_length; @if $p==right or $p==left { $_small_gradient_size: $_small_gradient_length 100%; $_big_gradient_size: $_big_gradient_length 100%; } $_small_gradient_color: $c; $_big_gradient_color: transparentize($c, 0.93); @if $c==$fg_color { $_small_gradient_color: darken($borders_color, 10%); $_big_gradient_color: transparentize($fg_color, 0.93); @if $t==backdrop { $_small_gradient_color: $backdrop_borders_color; } } $_small_gradient: radial-gradient(farthest-side at $p, $_small_gradient_color 85%, transparentize($_small_gradient_color, 1)); $_big_gradient: radial-gradient(farthest-side at $p, $_big_gradient_color, transparentize($_big_gradient_color, 1)); @if $t==normal { background-image: $_small_gradient, $_big_gradient; background-size: $_small_gradient_size, $_big_gradient_size; } @else if $t==backdrop { background-image: $_small_gradient; background-size: $_small_gradient_size; } background-repeat: no-repeat; background-position: $p; background-color: transparent; // reset some properties to be sure to not inherit them somehow border: none; // box-shadow: none; // } /*************************** * Check and Radio buttons * ***************************/ @mixin check($t, $c:$checkradio_bg_color, $tc:$checkradio_fg_color, $checked: false) { // Check/Radio drawing function // // $t: check/radio type, // $c: base button color for colored* types // $tc: optional text color for colored* types // $checked: bool to chose between checked/unchecked // // possible $t values: // normal, hover, active, insensitive, backdrop, backdrop-insensitive, menu $_border_color: if($c==$checkradio_bg_color, $checkradio_borders_color, $alt_borders_color); $_dim_border_color: transparentize($_border_color, if($variant == 'light', 0.3, 0.7)); @if $t==normal { background-clip: if($checked, border-box, padding-box); background-image: linear-gradient(to bottom, lighten($c, 5%) 20%, $c 90%); border-color: $_border_color; box-shadow: 0 1px transparentize(black, 0.95); color: $tc; } @if $t==hover { background-image: if($c == white, image(darken($c, 5%)), linear-gradient(to bottom, lighten($c, 9%) 10%, lighten($c, 4%) 90%)); } @if $t==active { box-shadow: inset 0 1px if($variant == 'light', rgba(0, 0, 0, 0.2), black); background-image: if($c == white, image(darken($c, 15%)), image(darken($c, 5%))); } @if $t==insensitive { box-shadow: none; color: transparentize($tc, 0.3); } @if $t==backdrop { background-image: image($c); box-shadow: none; color: $tc; } @if $t==backdrop-insensitive { box-shadow: none; color: transparentize($tc, 0.3); } @if $t==menu { transform: scale(0.8); border-width: 1.2px; border-color: transparent; box-shadow: none; background-image: image(transparent); color: $tc; } @if $t==menu-active { transform: scale(0.8); border-width: 1.2px; color: $tc; box-shadow: none; background-image: image(transparent); } }