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gtk2/gtk/theme/Adwaita/_drawing.scss
nana-4 f1db73379e Adwaita: Stop using $button_fill 
Since the $button_fill variables are no longer used outside of the
button() mixin (and it was for an ugly hack), there is no need to keep
that anymore.

Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/3354
2020-11-14 10:13:05 +09:00

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// 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, $c, lighten($c, 1%) 1px);
@include _shadows(inset 0 1px _button_hilight_color(lighten($c, 6%)), $_button_edge, $_button_shadow);
}
@else {
background-image: linear-gradient(to top, darken($c,1%), lighten($c, 1%) 1px);
@include _shadows(inset 0 1px _button_hilight_color(darken($c, 2%)), $_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==hover-alt {
//
// hovered button alternative look
//
color: $tc;
border-color: if($c != $bg_color, _border_color($c, true), $alt_borders_color);
@if $variant == 'light' {
background-image: linear-gradient(to bottom, lighten($c, 9%) 10%, lighten($c, 4%) 90%);
@include _shadows(inset 0 1px _button_hilight_color(lighten($c, 6%)),
$_button_edge, $_button_shadow);
}
@else {
background-image: linear-gradient(to bottom, $c 20%, darken($c, 4%) 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), lighten($osd_bg_color, 12%));
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, $osd_borders_color);
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), $_blank_edge);
text-shadow: none;
-gtk-icon-shadow: none;
}
}
@mixin headerbar_fill($c:$headerbar_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);
}
}
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