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Add color argument to button mixins (#29444) 

Add optional `$color` argument to `button-variant()` and
`button-outline-variant()` for additional flexibility.
This commit is contained in:
Jeremy Jackson 2019-10-12 08:21:22 +00:00 committed by XhmikosR
parent b3451ff258
commit 4e37fc3ab4
2 changed files with 30 additions and 12 deletions
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40
scss/mixins/_buttons.scss
View File

@ -3,35 +3,45 @@
// Easily pump out default styles, as well as :hover, :focus, :active,
// and disabled options for all buttons
@mixin button-variant($background, $border, $hover-background: darken($background, 7.5%), $hover-border: darken($border, 10%), $active-background: darken($background, 10%), $active-border: darken($border, 12.5%)) {
color: color-yiq($background);
@mixin button-variant(
$background,
$border,
$color: color-yiq($background),
$hover-background: darken($background, 7.5%),
$hover-border: darken($border, 10%),
$hover-color: color-yiq($hover-background),
$active-background: darken($background, 10%),
$active-border: darken($border, 12.5%),
$active-color: color-yiq($active-background)
) {
color: $color;
@include gradient-bg($background);
border-color: $border;
@include box-shadow($btn-box-shadow);
&:hover {
color: color-yiq($hover-background);
color: $hover-color;
@include gradient-bg($hover-background);
border-color: $hover-border;
}
&:focus,
&.focus {
color: color-yiq($hover-background);
color: $hover-color;
@include gradient-bg($hover-background);
border-color: $hover-border;
// Avoid using mixin so we can pass custom focus shadow properly
@if $enable-shadows {
box-shadow: $btn-box-shadow, 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5);
box-shadow: $btn-box-shadow, 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5);
} @else {
box-shadow: 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5);
box-shadow: 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5);
}
}
// Disabled comes first so active can properly restyle
&.disabled,
&:disabled {
color: color-yiq($background);
color: $color;
background-color: $background;
border-color: $border;
// Remove CSS gradients if they're enabled
@ -43,7 +53,7 @@
&:not(:disabled):not(.disabled):active,
&:not(:disabled):not(.disabled).active,
.show > &.dropdown-toggle {
color: color-yiq($active-background);
color: $active-color;
background-color: $active-background;
@if $enable-gradients {
background-image: none; // Remove the gradient for the pressed/active state
@ -53,15 +63,21 @@
&:focus {
// Avoid using mixin so we can pass custom focus shadow properly
@if $enable-shadows and $btn-active-box-shadow != none {
box-shadow: $btn-active-box-shadow, 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5);
box-shadow: $btn-active-box-shadow, 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5);
} @else {
box-shadow: 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5);
box-shadow: 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5);
}
}
}
}
@mixin button-outline-variant($color, $color-hover: color-yiq($color), $active-background: $color, $active-border: $color) {
@mixin button-outline-variant(
$color,
$color-hover: color-yiq($color),
$active-background: $color,
$active-border: $color,
$active-color: color-yiq($active-background)
) {
color: $color;
border-color: $color;
@ -85,7 +101,7 @@
&:not(:disabled):not(.disabled):active,
&:not(:disabled):not(.disabled).active,
.show > &.dropdown-toggle {
color: color-yiq($active-background);
color: $active-color;
background-color: $active-background;
border-color: $active-border;

2
site/content/docs/4.3/migration.md
View File

@ -37,6 +37,8 @@ Changes to our source Sass files and compiled CSS.
- Dropped `color()`, `theme-color()` & `gray()` functions in favor of variables. [See #29083](https://github.com/twbs/bootstrap/pull/29083)
- The `theme-color-level()` function is renamed to `color-level()` and now accepts any color you want instead of only `$theme-color` colors. [See #29083](https://github.com/twbs/bootstrap/pull/29083)
- Line heights are dropped from several components to simplify our codebase. The `button-size()` and `pagination-size()` do not accept line height parameters anymore. [See #29271](https://github.com/twbs/bootstrap/pull/29271)
- The `button-variant()` mixin now accepts 3 optional color parameters, for each button state, to override the color provided by `color-yiq()`. By default, these parameters will find which color provides more contrast against the button state's background color with `color-yiq()`.
- The `button-outline-variant()` mixin now accepts an additional argument, `$active-color`, for setting the button's active state text color. By default, this parameter will find which color provides more contrast against the button's active background color with `color-yiq()`.
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