gtk2/gtk/theme/HighContrast/_drawing.scss

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// Drawing mixins
// generic drawing of more complex things
@function _widget_edge($c:$borders_edge) {
// outer highlight "used" on most widgets
@return 0 1px $c;
}
@function _solid($c) {
// solid color image
@return linear-gradient(to bottom, $c, $c);
}
@mixin _shadows($shadow1, $shadow2:none, $shadow3:none, $shadow4:none) {
//
// Helper function to stack up to 4 box-shadows;
//
@if $shadow4!=none { box-shadow: $shadow1, $shadow2, $shadow3, $shadow4; }
@else if $shadow3!=none { box-shadow: $shadow1, $shadow2, $shadow3; }
@else if $shadow2!=none { box-shadow: $shadow1, $shadow2; }
@else { box-shadow: $shadow1; }
}
// entries
@function entry_focus_border($fc:$selected_bg_color) {
@if $variant == 'light' { @return $fc; }
@else { @return if($fc==$selected_bg_color, $selected_borders_color, darken($fc, 35%)); }
}
@function entry_focus_glow($fc) {
$_focus_glow_color: transparentize($fc,0.85);
@return inset 0 0 0 1px $_focus_glow_color;
}
@function entry_gradient($c) {
@return linear-gradient(to bottom, darken($c,3%), $c 90%);
}
@mixin entry($t, $fc:$selected_bg_color, $edge: $borders_edge) {
//
// Entries drawing function
//
// $t: entry type
// $fc: focus color
// $edge:none set to true not to draw the bottom edge hilight
//
// possible $t values:
// normal, focus, insensitive, backdrop, backdrop-insensitive;
//
background-color: transparent;
border-style: solid;
background-image: linear-gradient(to bottom,
darken($base_color,3%),
$base_color 90%);
$_entry_edge: none;
@if $t==normal {
border-color: $borders_color;
@include _shadows(inset 0 2px 2px -2px mix(black, $base_color, 50%),
$_entry_edge);
}
@if $t==focus {
border-color: $fc;
@include _shadows(inset 0 2px 2px -2px mix(black, $base_color, 50%),
inset 0 0 0 1px $fc,
$_entry_edge);
}
@if $t==insensitive {
color: $insensitive_fg_color;
border-color: $borders_color;
background-image: _solid($insensitive_bg_color);
@include _shadows($_entry_edge);
}
@if $t==backdrop {
color: $backdrop_fg_color;
background-image: _solid($backdrop_base_color);
box-shadow: 0 1px transparentize(white,1);
}
@if $t==backdrop-insensitive {
color: $insensitive_fg_color;
background-image: _solid($backdrop_bg_color);
box-shadow: 0 1px transparentize(white,1);
}
}
// buttons
@mixin _button_border_color ($c) { border-color: darken($c,25%); } // colored buttons want the border form the base color
@mixin _button_text_shadow ($tc:$fg_color, $bg:$bg_color) {
//
// helper function for the text emboss effect
//
// $tc is the optional text color, not the shadow color
//
// TODO: this functions needs a way to deal with special cases
//
$_dark: black;
$_bright: white;
@if lightness($tc) < 50% {
text-shadow: 0 1px $_bright;
-gtk-icon-shadow: 0 1px $_bright;
}
@else {
text-shadow: 0 -1px $_dark;
-gtk-icon-shadow: 0 -1px $_dark;
}
}
@mixin button($t, $c:$bg_color, $tc:$fg_color, $edge: $borders_color) {
//
// Button drawing function
//
// $t: button type,
// $c: base button color for colored* types
// $tc: optional text color for colored* types
// $noedge:none set to true not to draw the bottom edge hilight
//
// possible $t values:
// normal, hover, active, insensitive, insensitive-active,
// backdrop, backdrop-active, backdrop-insensitive, backdrop-insensitive-active
//
border-width: 2px;
border-style: solid;
$_top_hilight: if(lightness($c)> 70%, white, transparentize(white,0.9)); //not just dark/light but colored buttons
@if $t==normal {
//
// normal button
//
color: $tc;
background-image: none;
background-color: $c;
@if $c!=$bg_color { @include _button_border_color($c); }
@else { border-color: $borders_color; }
}
@else if $t==hover {
//
// hovered button
//
color: $tc; //fg_color
background-color: $c;
@if $c!=$bg_color { @include _button_border_color($c); }
@else { border-color: $borders_color; }
background-image: none;
}
@else if $t==active {
//
// pushed button
//
background-image: none;
color: invert($tc);
background-color: invert($c);
@if $c!=$bg_color { @include _button_border_color($c); }
@else { border-color: $borders_color; }
}
@else if $t==insensitive {
//
// insensitive button
//
color: $insensitive_fg_color;
background-color: $insensitive_bg_color;
border-color: $insensitive_borders_color;
background-image: none;
}
@else if $t==insensitive-active {
//
// insensitive pushed button
//
color: $insensitive_fg_color;
border-color: $insensitive_borders_color;
background-image: none;
background-color: $insensitive_bg_color;
}
@else if $t==backdrop {
//
// backdrop button
//
color: if($c!=$bg_color, $tc, $backdrop_fg_color);
background-color: if($c!=$bg_color, $c, $backdrop_bg_color);
border-color: if($c!=$bg_color, $c, $backdrop_borders_color);
background-image: none;
}
@else if $t==backdrop-active {
//
// backdrop pushed button
//
color: invert($backdrop_fg_color);
background-color: $backdrop_borders_color;
border-color: $backdrop_borders_color;
background-image: none;
}
@else if $t==backdrop-insensitive {
//
// backdrop insensitive button
//
color: $insensitive_fg_color;
background-color: $insensitive_bg_color;
border-color: $insensitive_borders_color;
background-image: none;
}
@else if $t==backdrop-insensitive-active {
//
// backdrop insensitive pushed button
//
color: $insensitive_fg_color;
border-color: $insensitive_borders_color;
background-image: none;
background-color: mix($backdrop_borders_color,$backdrop_bg_color, 8%);
}
@else if $t==osd {
//
// normal osd button
//
color: $osd_fg_color;
background-image: none;
background-color: $osd_bg_color;
border-color: $osd_borders_color;
}
@else if $t==osd-hover {
//
// active osd button
//
color: $osd_fg_color;
background-color: lighten($osd_bg_color,30%);
border-color: $osd_borders_color;
}
@else if $t==osd-active {
//
// active osd button
//
color: $osd_bg_color;
background-color: $osd_fg_color;
border-color: $osd_borders_color;
box-shadow: none;
}
@else if $t==osd-insensitive {
//
// insensitive osd button
//
border-color: $osd_borders_color;
color: $insensitive_fg_color;
}
@else if $t==undecorated {
color: $tc;
background-color: transparent;
background-image: none;
border-color: transparent;
}
@else if $t==undecorated-insensitive {
color: $insensitive_fg_color;
background-color: transparent;
background-image: none;
border-color: transparent;
}
}
@mixin overshoot($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: 5%;
$_big_gradient_length: 100%;
$_position: center top;
$_small_gradient_size: 100% $_small_gradient_length;
$_big_gradient_size: 100% $_big_gradient_length;
@if $p==bottom {
$_position: center bottom;
$_linear_gradient_direction: to top;
}
@else if $p==right {
$_position: right center;
$_small_gradient_size: $_small_gradient_length 100%;
$_big_gradient_size: $_big_gradient_length 100%;
}
@else if $p==left {
$_position: left center;
$_small_gradient_size: $_small_gradient_length 100%;
$_big_gradient_size: $_big_gradient_length 100%;
}
$_small_gradient_color: $c;
$_big_gradient_color: $c;
@if $c==$fg_color {
$_small_gradient_color: darken($borders_color, 50%);
$_big_gradient_color: $fg_color;
@if $t==backdrop { $_small_gradient_color: $backdrop_borders_color; }
}
$_small_gradient: -gtk-gradient(radial,
$_position, 0,
$_position, 0.5,
to($_small_gradient_color),
to(transparentize($_small_gradient_color, 1)));
$_big_gradient: -gtk-gradient(radial,
$_position, 0,
$_position, 0.6,
from(transparentize($_big_gradient_color, 0.5)),
to(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: $_position;
background-color: transparent; // reset some properties to be sure to not inherit them somehow
border: none; //
box-shadow: none; //
}
@mixin undershoot($p) {
//
// undershoot
//
// $p: position
//
// possible $p values:
// top, bottom, right, left
//
$_undershoot_color_dark: transparentize(black, 0.8);
$_undershoot_color_light: transparentize(white, 0.8);
$_gradient_dir: left;
$_dash_bg_size: 10px 1px;
$_gradient_repeat: repeat-x;
$_bg_pos: center $p;
background-color: transparent; // shouldn't be needed, but better to be sure;
@if ($p == left) or ($p == right) {
$_gradient_dir: top;
$_dash_bg_size: 1px 10px;
$_gradient_repeat: repeat-y;
$_bg_pos: $p center;
}
background-image: linear-gradient(to $_gradient_dir, // this is the dashed line
$_undershoot_color_light 50%,
$_undershoot_color_dark 50%);
padding-#{$p}: 1px;
background-size: $_dash_bg_size;
background-repeat: $_gradient_repeat;
background-origin: content-box;
background-position: $_bg_pos;
border: none;
box-shadow: none;
}