257 lines
7.4 KiB
SCSS
257 lines
7.4 KiB
SCSS
// Drawing mixins
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// generic drawing of more complex things
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@function _widget_edge($c:$borders_edge) {
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// outer highlight "used" on most widgets
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@return 0 1px $c;
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}
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// provide font size in rem, with px fallback
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@mixin fontsize($size: 24, $base: 16) {
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font-size: round($size) + pt;
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//font-size: ($size / $base) * 1rem;
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}
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@mixin _shadows($shadow1, $shadow2:none, $shadow3:none, $shadow4:none) {
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//
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// Helper function to stack up to 4 box-shadows;
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//
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@if $shadow4!=none { box-shadow: $shadow1, $shadow2, $shadow3, $shadow4; }
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@else if $shadow3!=none { box-shadow: $shadow1, $shadow2, $shadow3; }
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@else if $shadow2!=none { box-shadow: $shadow1, $shadow2; }
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@else { box-shadow: $shadow1; }
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}
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// entries
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@function entry_gradient($c) {
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@return linear-gradient(to bottom, darken($c,3%), $c 90%);
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}
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@mixin entry($t, $fc:$selected_bg_color, $edge: $borders_edge) {
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//
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// Entries drawing function
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//
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// $t: entry type
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// $fc: focus color
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// $edge: set to none to not draw the bottom edge or specify a color to not
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// use the default one
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//
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// possible $t values:
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// normal, focus, insensitive, backdrop, backdrop-insensitive;
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//
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background-color: transparent;
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background-image: entry_gradient($base_color);
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$_blank_edge: if($edge == none, none, 0 1px transparentize($edge,1));
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$_entry_edge: if($edge == none, none, _widget_edge($edge));
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$_inner_shadows: inset 0 3px transparentize(black, 0.98),
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inset 0 2px transparentize(black, 0.97),
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inset 0 1px transparentize(black, 0.92);
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// we need to match the same shadow types (inset/outset) in various states
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// hence transparent shadows istead of resetting them when not needed
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$_blank_inner_shadows: inset 0 3px transparentize(black, 1),
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inset 0 2px transparentize(black, 1),
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inset 0 1px transparentize(black, 1);
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$_focus_glow_color: if($variant=='light', transparentize($fc,0.85),
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transparentize($fc,0.3));
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@if $t==normal {
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border-color: $borders_color;
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@include _shadows($_inner_shadows,
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inset 0 0 0 1px transparentize($fc,1),
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$_entry_edge);
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// the second transparent shadow is needed for the transition to work
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}
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@if $t==focus {
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@include _shadows($_inner_shadows,
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inset 0 0 0 1px $_focus_glow_color,
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$_entry_edge);
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@if $variant == 'light' { border-color: $fc; }
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@else {
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border-color: if($fc==$selected_bg_color,
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$selected_borders_color,
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darken($fc,35%));
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}
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}
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@if $t==insensitive {
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color: $insensitive_fg_color;
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border-color: $borders_color;
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background-image: linear-gradient(to bottom, $insensitive_bg_color);
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@include _shadows($_blank_inner_shadows, $_entry_edge);
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}
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@if $t==backdrop {
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color: $backdrop_fg_color;
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border-color: $backdrop_borders_color;
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background-image: linear-gradient(to bottom, $backdrop_base_color);
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@include _shadows($_blank_inner_shadows, $_blank_edge);
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}
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@if $t==backdrop-insensitive {
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color: $backdrop_insensitive_color;
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border-color: $backdrop_borders_color;
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background-image: linear-gradient(to bottom, $insensitive_bg_color);
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@include _shadows($_blank_inner_shadows, $_blank_edge);
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}
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}
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// buttons
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@function _border_color ($c) { @return darken($c,25%); } // colored buttons want
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// the border form the
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// base color
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@function _text_shadow_color ($tc:$fg_color, $bg:$bg_color) {
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//
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// calculate the color of text shadows
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//
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// $tc is the text color
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// $bg is the background color
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//
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$_lbg: lightness($bg)/100%;
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@if lightness($tc)<50% { @return transparentize(white,1-$_lbg/($_lbg*1.3)); }
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@else { @return transparentize(black,$_lbg*0.8); }
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}
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@function _button_hilight_color($c) {
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//
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// calculate the right top hilight color for buttons
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//
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// $c: base color;
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//
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@if lightness($c)>90% { @return white; }
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@else if lightness($c)>80% { @return transparentize(white, 0.3); }
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@else if lightness($c)>50% { @return transparentize(white, 0.5); }
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@else if lightness($c)>40% { @return transparentize(white, 0.7); }
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@else { @return transparentize(white, 0.9); }
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}
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@mixin _button_text_shadow ($tc:$fg_color, $bg:$bg_color) {
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//
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// helper function for the text emboss effect
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//
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// $tc is the optional text color, not the shadow color
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//
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// TODO: this functions needs a way to deal with special cases
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//
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$_shadow: _text_shadow_color($tc, $bg);
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@if lightness($tc)<50% {
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text-shadow: 0 1px $_shadow;
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icon-shadow: 0 1px $_shadow;
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}
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@else {
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text-shadow: 0 -1px $_shadow;
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icon-shadow: 0 -1px $_shadow;
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}
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}
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@mixin button($t, $c:$osd_bg_color, $tc:$fg_color, $edge: $borders_edge) {
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//
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// Button drawing function
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//
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// $t: button type,
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// $c: base button color for colored* types
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// $tc: optional text color for colored* types
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// $edge: set to none to not draw the bottom edge or specify a color to not
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// use the default one
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//
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// possible $t values:
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// normal, hover, active, insensitive, insensitive-active,
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// backdrop, backdrop-active, backdrop-insensitive, backdrop-insensitive-active,
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// osd, osd-hover, osd-active, osd-insensitive, osd-backdrop, undecorated
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//
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$_hilight_color: _button_hilight_color($c);
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$_button_edge: if($edge == none, none, _widget_edge($edge));
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$_blank_edge: if($edge == none, none, _widget_edge(transparentize($edge,1)));
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@if $t==normal {
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//
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// normal button
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//
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$_bg: if($c!=$osd_bg_color, transparentize($c, 0.5),
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$osd_bg_color);
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color: $osd_fg_color;
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background-color: $_bg;
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border-color: $osd_borders_color;
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box-shadow: inset 0 1px lighten($osd_bg_color,10%);
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text-shadow: 0 1px black;
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icon-shadow: 0 1px black;
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}
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@if $t==focus {
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//
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// focused button
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//
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$_bg: if($c!=$osd_bg_color, transparentize($c, 0.5),
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$osd_bg_color);
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color: $osd_fg_color;
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border-color: $selected_bg_color;
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box-shadow: inset 0 1px lighten($osd_bg_color,10%);
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text-shadow: 0 1px black;
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icon-shadow: 0 1px black;
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}
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@else if $t==hover {
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//
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// active osd button
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//
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$_bg: if($c!=$osd_bg_color, transparentize($c, 0.3),
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lighten($osd_bg_color,10%));
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color: white;
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border-color: $osd_borders_color;
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background-color: $_bg;
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box-shadow: inset 0 1px lighten($osd_bg_color,20%);
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text-shadow: 0 1px black;
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icon-shadow: 0 1px black;
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}
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@else if $t==active {
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//
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// active osd button
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//
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$_bg: if($c!=$bg_color, $c, $osd_borders_color);
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color: white;
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border-color: $osd_borders_color;
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background-color: $_bg;
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box-shadow: none;
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text-shadow: none;
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icon-shadow: none;
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}
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@else if $t==insensitive {
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//
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// insensitive osd button
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//
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$_bg: transparentize(mix($insensitive_fg_color,$osd_bg_color,20%),0.3);
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color: $insensitive_fg_color;
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border-color: $osd_borders_color;
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background-color: $_bg;
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box-shadow: none;
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text-shadow: none;
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icon-shadow: none;
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}
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@else if $t==undecorated {
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//
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// reset
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//
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border-color: transparent;
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background-color: transparent;
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background-image: none;
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@include _shadows(inset 0 1px transparentize(white,1),
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$_blank_edge);
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text-shadow: none;
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icon-shadow: none;
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}
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}
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