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import GObject from 'gi://GObject';
import * as utils from '../conveniences/utils.js';
const St = await utils.import_in_shell_only('gi://St');
const Shell = await utils.import_in_shell_only('gi://Shell');
const Clutter = await utils.import_in_shell_only('gi://Clutter');
const SHADER_FILENAME = 'corner.glsl';
const DEFAULT_PARAMS = {
radius: 12, width: 0, height: 0,
corners_top: true, corners_bottom: true,
clip: [0, 0, -1, -1]
};
export const CornerEffect = utils.IS_IN_PREFERENCES ?
{ default_params: DEFAULT_PARAMS } :
new GObject.registerClass({
GTypeName: "CornerEffect",
Properties: {
'radius': GObject.ParamSpec.double(
`radius`,
`Corner Radius`,
`Corner Radius`,
GObject.ParamFlags.READWRITE,
0, Number.MAX_SAFE_INTEGER,
12,
),
'width': GObject.ParamSpec.double(
`width`,
`Width`,
`Width`,
GObject.ParamFlags.READWRITE,
0.0, Number.MAX_SAFE_INTEGER,
0.0,
),
'height': GObject.ParamSpec.double(
`height`,
`Height`,
`Height`,
GObject.ParamFlags.READWRITE,
0.0, Number.MAX_SAFE_INTEGER,
0.0,
),
'corners_top': GObject.ParamSpec.boolean(
`corners_top`,
`Round top corners`,
`Round top corners`,
GObject.ParamFlags.READWRITE,
true,
),
'corners_bottom': GObject.ParamSpec.boolean(
`corners_bottom`,
`Round bottom corners`,
`Round bottom corners`,
GObject.ParamFlags.READWRITE,
true,
),
// FIXME this works but it logs an error, because I'm not a double...
// I don't want to fiddle with GVariants again
'clip': GObject.ParamSpec.double(
`clip`,
`Clip`,
`Clip`,
GObject.ParamFlags.READWRITE,
0.0, Number.MAX_SAFE_INTEGER,
0.0,
),
}
}, class CornerEffect extends Clutter.ShaderEffect {
constructor(params) {
super(params);
this._clip_x0 = null;
this._clip_y0 = null;
this._clip_width = null;
this._clip_height = null;
utils.setup_params(this, params);
this.straight_corners = false;
// set shader source
this._source = utils.get_shader_source(Shell, SHADER_FILENAME, import.meta.url);
if (this._source)
this.set_shader_source(this._source);
const theme_context = St.ThemeContext.get_for_stage(global.stage);
theme_context.connectObject('notify::scale-factor', _ => this.update_radius(), this);
}
static get default_params() {
return DEFAULT_PARAMS;
}
get radius() {
return this._radius;
}
set radius(value) {
if (this._radius !== value) {
this._radius = value;
this.update_radius();
}
}
update_radius() {
const theme_context = St.ThemeContext.get_for_stage(global.stage);
let radius = Math.min(
this.radius * theme_context.scale_factor,
this.width / 2, this.height / 2
);
if (this._clip_width >= 0 || this._clip_height >= 0)
radius = Math.min(radius, this._clip_width / 2, this._clip_height / 2);
this.set_uniform_value('radius', parseFloat(radius - 1e-6));
}
get width() {
return this._width;
}
set width(value) {
if (this._width !== value) {
this._width = value;
this.set_uniform_value('width', parseFloat(this._width + 3.0 - 1e-6));
this.update_radius();
}
}
get height() {
return this._height;
}
set height(value) {
if (this._height !== value) {
this._height = value;
this.set_uniform_value('height', parseFloat(this._height + 3.0 - 1e-6));
this.update_radius();
}
}
get corners_top() {
return this._corners_top;
}
set corners_top(value) {
if (this._corners_top !== value) {
this._corners_top = value;
this.set_uniform_value('corners_top', this._corners_top ? 1 : 0);
}
}
get corners_bottom() {
return this._corners_bottom;
}
set corners_bottom(value) {
if (this._corners_bottom !== value) {
this._corners_bottom = value;
this.set_uniform_value('corners_bottom', this._corners_bottom ? 1 : 0);
}
}
get straight_corners() {
return this._straight_corners;
}
set straight_corners(value) {
if (this._straight_corners !== value) {
this._straight_corners = value;
this.set_uniform_value('straight_corners', this._straight_corners ? 1 : 0);
}
}
get clip() {
return [this._clip_x0, this._clip_y0, this._clip_width, this._clip_height];
}
set clip(value) {
[this._clip_x0, this._clip_y0, this._clip_width, this._clip_height] = value;
this.set_uniform_value('clip_x0', parseFloat(this._clip_x0 - 1e-6));
this.set_uniform_value('clip_y0', parseFloat(this._clip_y0 - 1e-6));
this.set_uniform_value('clip_width', parseFloat(this._clip_width + 3 - 1e-6));
this.set_uniform_value('clip_height', parseFloat(this._clip_height + 3 - 1e-6));
this.update_radius();
}
vfunc_set_actor(actor) {
if (this._actor_connection_size_id) {
let old_actor = this.get_actor();
old_actor?.disconnect(this._actor_connection_size_id);
}
if (this._actor_connection_clip_rect_id) {
let old_actor = this.get_actor();
old_actor?.disconnect(this._actor_connection_clip_rect_id);
}
if (actor) {
this.width = actor.width;
this.height = actor.height;
this._actor_connection_size_id = actor.connect('notify::size', _ => {
this.width = actor.width;
this.height = actor.height;
});
this.clip = actor.has_clip ? actor.get_clip() : [0, 0, -10, -10];
this._actor_connection_clip_rect_id = actor.connect('notify::clip-rect', _ => {
this.clip = actor.has_clip ? actor.get_clip() : [0, 0, -10, -10];
});
}
else {
this._actor_connection_size_id = null;
this._actor_connection_clip_rect_id = null;
}
super.vfunc_set_actor(actor);
}
});
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