//
// Styling checkboxes in a way that works cross browser is a tricky problem to solve.
// In MediaWiki UI put a checkbox and label inside a mw-ui-checkbox div.
-// This renders in all browsers except IE 6-8 which do not support the :checked selector;
+// This renders in all browsers except IE 6-8 which do not support the `:checked` selector;
// these are kept backwards-compatible using the `:not( #noop )` selector.
-// You should give the checkbox and label matching "id" and "for" attributes, respectively.
+// You should give the checkbox and label matching `id` and `for` attributes, respectively.
//
// Markup:
// <div class="mw-ui-checkbox">
// Styleguide 3.
.mw-ui-checkbox {
display: inline-block;
+ line-height: @sizeInputBinary;
vertical-align: middle;
}
-// We use the not selector to cancel out styling on IE 8 and below
+// We use the `:not` selector to cancel out styling on IE 8 and below
// We also disable this styling on JavaScript disabled devices. This fixes the issue with
// Opera Mini where checking/unchecking doesn't apply styling but potentially leaves other
// more capable browsers with unstyled checkboxes.
.client-js .mw-ui-checkbox:not( #noop ) {
+ display: table;
// Position relatively so we can make use of absolute pseudo elements
position: relative;
- display: table;
* {
- // reset font sizes (see T74727)
+ // Reset font sizes, see T74727
font: inherit;
vertical-align: middle;
}
- input[type='checkbox'] {
- // we hide the input element as instead we will style the label that follows
- // we use opacity so that VoiceOver software can still identify it
- opacity: 0;
- // Render *on top of* the label, so that it's still clickable (T98905)
- z-index: 1;
+ [type='checkbox'] {
+ display: table-cell;
position: relative;
- // ensure the invisible checkbox takes up the required width
- width: @checkboxSize;
- height: @checkboxSize;
- // This is needed for Firefox mobile (See T73750 to workaround default Firefox stylesheet)
+ // Ensure the invisible input takes up the required `width` & `height`
+ width: @sizeInputBinary;
+ height: @sizeInputBinary;
+ // Support: Firefox mobile to override user-agent stylesheet, see T73750
max-width: none;
- margin: 0 0.4em 0 0;
- display: table-cell;
+ margin: 0;
+ // Hide `input[type=checkbox]` and instead style the label that follows
+ // Support: VoiceOver. Use `opacity` so that VoiceOver can still identify the checkbox
+ opacity: 0;
+ // Render *on top of* the label, so that it's still clickable, see T98905
+ z-index: 1;
& + label {
display: table-cell;
+ padding-left: 0.4em;
}
- // the pseudo before element of the label after the checkbox now looks like a checkbox
+ // Pseudo `:before` element of the label after the checkbox now looks like a checkbox
& + label:before {
content: '';
background-color: #fff;
- .background-image-svg( 'images/checked.svg', 'images/checked.png' );
- background-position: center center;
background-origin: border-box;
+ background-position: center center;
background-repeat: no-repeat;
.background-size( 0, 0 );
.box-sizing( border-box );
position: absolute;
- // align the checkbox to middle of the text
+ // Ensure alignment of checkbox to middle of the text in long labels, see T85241
top: 50%;
left: 0;
- width: @checkboxSize;
- height: @checkboxSize;
- margin-top: -1em;
+ width: @sizeInputBinary;
+ height: @sizeInputBinary;
+ margin-top: -( @sizeInputBinary / 2 );
border: 1px solid @colorGray7;
border-radius: @borderRadius;
- line-height: @checkboxSize;
- cursor: pointer;
}
- // when the input is checked, style the label pseudo before element that followed as a checked checkbox
+ // Apply a checkmark on the pseudo `:before` element when the input is checked
&:checked + label:before {
- .background-size( 100%, 100% );
+ .background-image-svg( 'images/checkbox-checked.svg', 'images/checkbox-checked.png' );
+ .background-size( 90%, 90% );
}
- &:active + label:before {
- background-color: @colorGray13;
- border-color: @colorGray13;
- }
+ &:enabled {
+ cursor: pointer;
- &:focus + label:before {
- border-width: 2px;
- }
+ & + label {
+ cursor: pointer;
+ }
+
+ & + label:before {
+ cursor: pointer;
+ .transition( ~'background-color 100ms, color 100ms, border-color 100ms, box-shadow 100ms' );
+ }
+
+ // `:focus` has to come first, otherwise a specificity race with `:hover:focus` etc is necessary
+ &:focus + label:before {
+ border-color: @colorProgressive;
+ box-shadow: @boxShadowWidgetFocus;
+ }
+
+ &:hover + label:before {
+ border-color: @colorProgressive;
+ }
+
+ &:active + label:before {
+ background-color: @colorProgressiveActive;
+ border-color: @borderColorInputBinaryActive;
+ box-shadow: @boxShadowInputBinaryActive;
+ }
- &:focus:hover + label:before,
- &:hover + label:before {
- border-bottom-width: 3px;
+ &:checked {
+ & + label:before {
+ background-color: @backgroundColorInputBinaryChecked;
+ border-color: @borderColorInputBinaryChecked;
+ }
+
+ &:focus + label:before {
+ background-color: @backgroundColorInputBinaryChecked;
+ border-color: @borderColorInputBinaryChecked;
+ box-shadow: @boxShadowProgressiveFocus;
+ }
+
+ &:hover + label:before {
+ background-color: @colorProgressiveHighlight;
+ border-color: @colorProgressiveHighlight;
+ }
+
+ &:active + label:before {
+ background-color: @backgroundColorInputBinaryActive;
+ border-color: @borderColorInputBinaryActive;
+ }
+ }
}
// disabled checkboxes have a gray background
&:disabled + label:before {
- cursor: default;
- background-color: @colorGray14;
- border-color: @colorGray14;
- }
-
- // disabled and checked checkboxes have a white circle
- &:disabled:checked + label:before {
- .background-image-svg( 'images/checked_disabled.svg', 'images/checked_disabled.png' );
+ background-color: @colorGray12;
+ border-color: @colorGray12;
}
}
}