/* A set of interface style definitions common to light and dark theme variants for PIKA 3.0
 * The specific dark and light interface styles are defined in common-light.css, common-dark.css */

/* The specific dark and light colors are defined in pika-dark.css, pika.css */

/* Do not import this file directly from pika.css or pika-dark.css files, you will miss light/dark theme specific styles.
 * Do import matching common-[dark,light].css */


/* Hint for debugging themes:
 * first enable the GTK inspector with
   gsettings set org.gtk.Settings.Debug enable-inspector-keybinding true
 * then (after restarting PIKA) call it up with ctrl+shift+i
 * or from PIKA's UI: File > Debug > Start GtkInspector
 */

@import url("../System/pika.css");

* {
  /* Default text color; needed for e.g. the Prefs dialog title area,
   * which doesn't have any more specific way to style it.
   */
  color: @fg-color;
}

*:disabled {
  color: @disabled-fg-color;
}

#image-menubar, GtkImageMenuItem {
  background-color: @bg-color;
  color: @fg-color;
}

/* TreeViews, e.g. in a file picker or the Prefs dialog */
.view {
  background-color: @extreme-bg-color;
  color: @fg-color;
}

/* Selected items in a treeview list. */
.view:selected {
  background-color: @extreme-selected-color;
  color: @fg-color;
}

.view:disabled {
  color: @disabled-fg-color;
}

/* Selected text in a treeview cell (e.g. layer name in edition mode). */
.view selection {
  background-color: @fg-color;
  color: @bg-color;
}

.view header button {
  background-color: @bg-color;
  border: 1px solid @stronger-border-color;
}

/* Define the mouse-over color for the path
 * buttons in the various file dialogs.
 */
#pathbarbox button:hover {
  background-color: @hover-color;
}

/* The main image window before it has an image in it,
 * and the buttonbar along the bottoms of dialogs.
 * Foreground color here is the text color, not the Wilber color.
 * background-color and background here are ignored.
 */
PikaDisplayShell, PikaDock, .dialog-action-box, .dialog-vbox {
  color: @dimmed-fg-color;
}

/* Foreground color for the big Wilber in the empty image window.
 * Again, background-color and background here are ignored.
 */
#pika-canvas {
  color: @dimmed-fg-color;
}

/* GtkTextView */
textview text, textview {
  background-color: @extreme-bg-color;
  color: @fg-color;
}
/* End GtkTextView */

combobox window.popup, combobox window {
  background-image: none;
  background-color: @widget-bg-color;
  color: @fg-color;
}

combobox box, combobox box.linked, combobox button {
  color: @fg-color;
  background-image: none;
  border-color: @stronger-border-color;
}

/* Remove "corners" around the combo boxes */
combobox box, combobox box.linked {
  background-color: transparent;
}

combobox button {
  background-color: @widget-bg-color;
}

/* Get rid of the outline around all tabs in the pikacolordialog */
PikaColorNotebook .frame {
  border-color: @bg-color;
}

/* Color history buttons in the color chooser.
 * The selector PikaColorHistory button gets the color buttons
 * but not the + button; PikaColorSelection gets both.
 */
PikaColorSelection button {
  background: @widget-bg-color;
  border: 1px solid @stronger-border-color;
  color: @fg-color;
}

PikaColorSelection button:hover {
  background: @hover-color;
}

/* The tabs above the color selector */
notebook stack {
  background-color: @bg-color;
}

notebook header {
  background-color: @bg-color;
  border-color: @edge-border-color;
}

notebook header button {
  box-shadow: none;
}

/* Use this to make a border or padding around each tab */
notebook header tabs tab {
  padding: 1px;
  margin-left: 2px;
  margin-right: 2px;
  border: 1px solid @strong-border-color;
}

/* The underline for selected tabs */
notebook header tabs tab:checked {
  background-color: @selected-color;
  box-shadow: 0 -4px @stronger-border-color inset;
}

notebook header tabs tab:hover {
  background-color: @hover-color;
}

/* Add margin to image tabs so the close button fits */
notebook header tabs tab > box > button
{
  margin-right: 5px;
}

/* The Close button on image tabs */
.reorderable-page button {
  background-color: transparent;
}

/* The background of many dialogs, e.g. Preferences and pikacolordialog */
.vertical {
  color: @fg-color;
  background-color: @bg-color;
  background-image: none;
}

/* Background for many button bars and dialog titles.
 * Also, unexpectedly, controls the prefs "Reload Current Theme" button content.
 *
 * Warning: setting a background-color here "breaks" the marks added by
 * gtk_scale_add_mark() on a GtkScale. I'm still unsure why, but the conclusion
 * is probably that it's a bad idea to set too broad background-color rules.
 */
.horizontal {
  color: @fg-color;
}

/* Text buttons, e.g. the main buttons at the bottoms of dialogs,
 * 0..100 and 0..255 at the top of pikacolordialog,
 * where they're inside a PikaColorSelection
 */
.text-button {
  color: @fg-color;
  background-color: @widget-bg-color;
  background-image: none;
  font-weight: normal;
}

.text-button:hover {
  background-color: @hover-color;
}

/* .flat covers the tool buttons and the buttons at the bottom
 * of the Toolbox window.
*/

toolbutton button.flat {
  background-color: @bg-color;
  color: @fg-color;
}

toolbutton button.flat:hover {
  background: @selected-color;
}

toolbutton button.flat:checked,
toolbutton button.flat:checked:hover {
  background: @selected-color;
}

/* Visual indication of clicking an already
 * selected button
 */
toolbutton button.flat:checked:active:hover {
  background-color: @hover-color;
  border-color: @hover-color;
}

/* Color the toolbox Wilber icon */
PikaDock frame:first-child:not(label) {
  color: @dimmed-fg-color;
}
/* Fix an issue with a few labels in the toolbox
 * having their colors overwritten with Wilber's
 */
PikaDock frame:first-child label {
  color: @fg-color;
}

/* Defining slider scale border and trough */
scale contents trough
{
  border-color: @strong-border-color;
  background-color: @ruler-color;
}

scrollbar {
  background-color: @bg-color;
  border-color: @border-color;
}

/*
Worth trying for always-visible scrollbar:
https://stackoverflow.com/questions/52414202/gtkscrolledwindow-how-to-always-show-the-overlay-scrollbar
Doesn't seem to work here, though.
 */
scrollbar trough {
  background: @scrollbar-trough-color;
}

scrollbar slider {
  background: @scrollbar-slider-color;
  border: 2px solid @border-color;
}

scrolledwindow
{
  border-color: @edge-border-color;
}

/* Removes black border around scrolled windows */
scrolledwindow viewport grid, scrolledwindow viewport box {
   border-radius: 1px;
   border: 0px solid @bg-color;
}

PikaRuler {
  background-color: @ruler-color;
}

entry {
  background-color: @extreme-bg-color;
  color: @fg-color;
}

entry selection {
  background-color: @fg-color;
  color: @bg-color;
}

paned separator {
  color: @border-color;
  background-image: none;
  background-color: @border-color;
  background-position: center;
  background-repeat: no-repeat;
  background-size: auto;
  padding: 3px;
}

paned menu separator {
    padding: 0px;
}

.view button {
  background-color: @bg-color;
  border-color: @border-color;
  color: @fg-color;
}

button {
  background-image: none;
  background-color: @bg-color;
  text-shadow: 0 0;
}

/* Handle both buttons drawn directly and drawn with an icon. */
button:disabled, button:disabled image {
  color: @disabled-button-color;
}

/* E.g. the currently active action of a dialog will slightly stand out so that
 * people know what action is activated when they will just hit Enter.
 */
button.default {
  border: 1px solid shade(@fg-color, 0.7);
}

/* This is the default active action, the somehow "suggested" action. Usually it
 * means this is either the expected next step action (e.g. activating a
 * filter), or else the less destructive action (e.g. when closing an unsaved
 * image, the default is "Cancel").
 */
button.suggested-action {
  border: 1px dotted shade(@fg-color, 0.5);
}

button:not(.flat)
{
  border-color: @edge-border-color;
}

/* Styling for dockable dialog footer buttons */
button.titlebutton
{
  border-color: transparent;
  box-shadow: none;
}

button:checked, button.titlebutton:hover {
  background: @selected-color;
  border-color: @edge-border-color;
}

/* Spinbuttons: there are two kinds:
 * spinbutton, spinbutton button
 *   e.g. the "width" field in the New Image dialog.
 *   spinbutton button.down, spinbutton button.up can be styled separately,
 *   as can spinbutton entry.
 *
 * PikaSpinScale also has button.up, button.down and entry under it,
 *   plus PikaSpinScale entry progress.
 *
 * Mostly the inherited values seem pretty good for both of these,
 * so they're not overridden.
 */

spinbutton, entry {
  /* Borders are a bit darker, but not too dark. */
  border-color: @strong-border-color;
}

spinbutton
{
  background-image: none;
  background-color: @bg-color;
}

/* Styling for the +/- buttons */
spinbutton button.up, spinbutton button.down {
  background-color: @bg-color;
}

PikaSpinScale entry progress {
  background-color: @extreme-selected-color;
  border-width:     0px;
  border-radius:    3px;
}

PikaSpinScale button
{
  border-color: @border-color;
}

/* Checkboxes */
checkbutton, checkbutton.text-button, radiobutton, checkbutton label {
  color: @fg-color;
  background-color: @bg-color;
}

checkbutton:hover, checkbutton.text-button:hover, checkbutton:hover label, radiobutton:hover, checkbutton label:hover {
  color: @fg-color;
  background-color: @hover-color;
}

checkbutton check, radiobutton radio, treeview.view check {
  background-image: none;
  background-color: @extreme-bg-color;
  border: 1px solid @stronger-border-color;
}

checkbutton check:checked {
  color: @fg-color;
}

checkbutton:checked label, radiobutton:checked label {
  font-weight: bold;
}

/* Some plugins have radio buttons, e.g. Fractal Explorer */
radio {
  background-image: none;
  background-color: @extreme-bg-color;
  border: 1px solid @stronger-border-color;
  border-radius: 100%;
  color: @fg-color;
}

/* Removes "blurred" effect from tooltip label */
tooltip {
  background-image: none;
  text-shadow: 0 0;
}

/* The border around a tooltip */
.background {
  background-color: @bg-color;
  border-color: @border-color;
  border-width: 1px;
}

/* The border around a frame */
border {
  border: 0px;
}

/* The border around PikaOffsetArea frame in resize dialogs */
.pika-offset-area-frame {
  border: solid 2px @stronger-border-color;
  background-color: @widget-bg-color;
}

/* For dropdown menus (e.g. "px" when creating a new image */
#gtk-combobox-popup-menu {
  background-color: @bg-color;
  color: @fg-color;
}

/* Top menu items  */

/* give the menu bar a color, fix for the default color being too dark */
menubar {
  background-color: @bg-color;
  box-shadow: 0 -1px @edge-border-color inset;
}

/* The top menu item itself: File, Edit ... */
menuitem menuitem {
  color: @fg-color;
  background: @extreme-bg-color;
}

/* A top (File, Edit) menubar item when its menu is expanded. */
menubar > menuitem:hover {
  color: @fg-color;
  background: @extreme-selected-color;
}

menuitem *:hover {
  color: @fg-color;
  background: @extreme-selected-color;
}

menuitem check {
  border-color: @fg-color;
}

menuitem decoration
{
  box-shadow: 0 1px 2px @edge-border-color;
}

/* "Add Tab" menu in dockable dialog */
menu {
  background-color: @bg-color;
}

/* Fixes issue with top menu label not changing
 * colors when highlighted
 */
menu box {
  background-color: transparent;
}

/* In some cases, the GtkSeparatorMenuItem-s get very ugly top/bottom margin
 * with a different background color. Let's get rid of it.
 */
menu separator {
  background-color: @stronger-border-color;
  margin: 0;
}

/* Defines the border around the Save Image actionbar options */
actionbar revealer box {
  border-width: 0px;
  border-top-width: 1px;
  border-top-color: @strong-border-color;
}

/* Sidebar in File > Open */

/* The background to either side of the directory buttons.
 * The color of the buttons themselves comes from somewhere else.
 */
.sidebar-row, .sidebar-row * {
  background-color: @widget-bg-color;
}

.sidebar-row:selected, .sidebar-row:selected * {
  background-color: @selected-color;
}

.sidebar-row:hover, .sidebar-row:hover * {
  background-color: @bg-color;
}

/* GtkListBox widgets */

list {
  background-color: @widget-bg-color;
}

/* GtkSwitch buttons */

switch {
  background-color: @bg-color;
  border: 1px solid @stronger-border-color;
}

/* The switch button is hard to understand without color.
 * Let's indicate the checked state with foreground color.
 */
switch:checked {
  background-color: @fg-color;
}

/* This prevents the 1/0 labels from appearing inside the switch slider */
switch image {
  color: transparent;
}

/* XXX: should the min-height actually go in the Compact theme instead?
 * I find the headerbar on GNOME default theme (Adwaita) to be kinda huge. But
 * maybe the default theme should not try and override this?
 */
headerbar {
  min-height: 0px;
  background-color: @bg-color;
  background-image: none;
  border-color: @edge-border-color;
  outline-color: @edge-border-color;
  box-shadow: none;
}

headerbar:backdrop * {
  color: @disabled-fg-color;
}

/* Prevent overlapping menu/header borderlines for CSD */
headerbar button.titlebutton, headerbar > menubar {
  box-shadow: none;
}