120 lines
3.7 KiB
SCSS
120 lines
3.7 KiB
SCSS
@mixin overshoot($position, $type: normal, $color: $selected_bg_color) {
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$_small_gradient_length: 5%;
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$_big_gradient_length: 100%;
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$_position: center top;
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$_small_gradient_size: 100% $_small_gradient_length;
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$_big_gradient_size: 100% $_big_gradient_length;
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@if $position == bottom {
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$_position: center bottom;
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$_linear_gradient_direction: to top;
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} @else if $position == right {
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$_position: right center;
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$_small_gradient_size: $_small_gradient_length 100%;
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$_big_gradient_size: $_big_gradient_length 100%;
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} @else if $position == left {
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$_position: left center;
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$_small_gradient_size: $_small_gradient_length 100%;
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$_big_gradient_size: $_big_gradient_length 100%;
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}
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$_small_gradient_color: $color;
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$_big_gradient_color: $color;
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$_small_gradient: -gtk-gradient(radial,
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$_position, 0,
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$_position, .5,
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to(alpha($_small_gradient_color, .35)),
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to(alpha($_small_gradient_color, .25)));
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$_big_gradient: -gtk-gradient(radial,
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$_position, 0,
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$_position, .6,
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from(alpha($_big_gradient_color, .2)),
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to(alpha($_big_gradient_color, 0)));
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@if $type == normal {
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background-image: $_small_gradient, $_big_gradient;
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background-size: $_small_gradient_size, $_big_gradient_size;
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} @else if $type == backdrop {
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background-image: $_small_gradient;
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background-size: $_small_gradient_size;
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}
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background-repeat: no-repeat;
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background-position: $_position;
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background-color: transparent; // reset some properties to be sure to not inherit them somehow
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border: 0;
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box-shadow: none;
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}
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@mixin undershoot($position) {
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$_undershoot_color_dark: alpha($black, .2);
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$_undershoot_color_light: alpha($white, .2);
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$_gradient_dir: left;
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$_dash_bg_size: 10px 1px;
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$_gradient_repeat: repeat-x;
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$_bg_pos: center $position;
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background-color: transparent; // shouldn't be needed, but better to be sure;
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@if ($position == left) or ($position == right) {
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$_gradient_dir: top;
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$_dash_bg_size: 1px 10px;
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$_gradient_repeat: repeat-y;
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$_bg_pos: $position center;
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}
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background-image: linear-gradient(to $_gradient_dir, // this is the dashed line
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$_undershoot_color_light 50%,
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$_undershoot_color_dark 50%);
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padding-#{$position}: 1px;
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background-size: $_dash_bg_size;
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background-repeat: $_gradient_repeat;
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background-origin: content-box;
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background-position: $_bg_pos;
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}
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// This is used by GtkScrolledWindow, when content is touch-dragged past boundaries.
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// This draws a box on top of the content, the size changes programmatically.
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.overshoot {
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&.top {
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@include overshoot(top);
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&:backdrop { @include overshoot(top, backdrop); }
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}
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&.bottom {
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@include overshoot(bottom);
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&:backdrop { @include overshoot(bottom, backdrop); }
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}
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&.left {
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@include overshoot(left);
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&:backdrop { @include overshoot(left, backdrop); }
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}
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&.right {
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@include overshoot(right);
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&:backdrop { @include overshoot(right, backdrop); }
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}
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}
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// Overflow indication, works similarly to the overshoot, the size if fixed tho.
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.undershoot {
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&.top { @include undershoot(top); }
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&.bottom { @include undershoot(bottom); }
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&.left { @include undershoot(left); }
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&.right { @include undershoot(right); }
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}
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