palemoon-dev/platform/devtools/client/themes/splitters.css

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* This file is loaded by both browser.xul and toolbox.xul. Therefore, rules
   defined here can not rely on toolbox.xul variables. */

/* Splitters */

:root {
  /* Define the widths of the draggable areas on each side of a splitter. top
     and bottom widths are used for horizontal splitters, inline-start and
     inline-end for side splitters.*/

  --devtools-splitter-top-width: 2px;
  --devtools-splitter-bottom-width: 2px;

  /* Small draggable area on inline-start to avoid overlaps on scrollbars.*/
  --devtools-splitter-inline-start-width: 1px;
  --devtools-splitter-inline-end-width: 4px;
}

:root[devtoolstheme="light"] {
  /* These variables are used in browser.xul but inside the toolbox they are overridden by --theme-splitter-color */
  --devtools-splitter-color: #dde1e4;
}

:root[devtoolstheme="dark"],
:root[devtoolstheme="firebug"] {
  --devtools-splitter-color: #42484f;
}

.devtools-horizontal-splitter,
.devtools-side-splitter {
  -moz-appearance: none;
  background-image: none;
  border: 0;
  border-style: solid;
  border-color: transparent;
  background-color: var(--devtools-splitter-color);
  background-clip: content-box;
  position: relative;

  box-sizing: border-box;

  /* Positive z-index positions the splitter on top of its siblings and makes
     it clickable on both sides. */
  z-index: 1;
}

.devtools-horizontal-splitter {
  min-height: calc(var(--devtools-splitter-top-width) +
    var(--devtools-splitter-bottom-width) + 1px);

  border-top-width: var(--devtools-splitter-top-width);
  border-bottom-width: var(--devtools-splitter-bottom-width);

  margin-top: calc(-1 * var(--devtools-splitter-top-width) - 1px);
  margin-bottom: calc(-1 * var(--devtools-splitter-bottom-width));

  cursor: n-resize;
}

.devtools-side-splitter {
  min-width: calc(var(--devtools-splitter-inline-start-width) +
    var(--devtools-splitter-inline-end-width) + 1px);

  border-inline-start-width: var(--devtools-splitter-inline-start-width);
  border-inline-end-width: var(--devtools-splitter-inline-end-width);

  margin-inline-start: calc(-1 * var(--devtools-splitter-inline-start-width) - 1px);
  margin-inline-end: calc(-1 * var(--devtools-splitter-inline-end-width));

  cursor: e-resize;
}

.devtools-horizontal-splitter.disabled,
.devtools-side-splitter.disabled {
  pointer-events: none;
}