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graph: Move link data into new GObject subclass

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This commit is contained in:
Tom A. Wagner
2023-07-19 15:06:51 +02:00
parent 475a83fab7
commit f986902929
6 changed files with 147 additions and 26 deletions
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40
src/ui/graph/graph_view.rs
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@@ -14,8 +14,6 @@
//
// SPDX-License-Identifier: GPL-3.0-only
use super::{Node, Port};
use gtk::{
glib::{self, clone},
graphene,
@@ -28,6 +26,7 @@ use log::{error, warn};
use std::{cmp::Ordering, collections::HashMap};
use super::{Link, Node, Port};
use crate::NodeType;
const CANVAS_SIZE: f64 = 5000.0;
@@ -59,7 +58,7 @@ mod imp {
/// Stores nodes and their positions.
pub(super) nodes: RefCell<HashMap<u32, (Node, Point)>>,
/// Stores the link and whether it is currently active.
pub(super) links: RefCell<HashMap<u32, (crate::PipewireLink, bool)>>,
pub(super) links: RefCell<HashMap<u32, Link>>,
pub hadjustment: RefCell<Option<gtk::Adjustment>>,
pub vadjustment: RefCell<Option<gtk::Adjustment>>,
pub zoom_factor: Cell<f64>,
@@ -431,13 +430,13 @@ mod imp {
rgba.alpha().into(),
);
for (link, active) in self.links.borrow().values() {
for link in self.links.borrow().values() {
// TODO: Do not draw links when they are outside the view
if let Some((from_x, from_y, to_x, to_y)) = self.get_link_coordinates(link) {
link_cr.move_to(from_x, from_y);
// Use dashed line for inactive links, full line otherwise.
if *active {
if link.active() {
link_cr.set_dash(&[], 0.0);
} else {
link_cr.set_dash(&[10.0, 5.0], 0.0);
@@ -478,11 +477,10 @@ mod imp {
///
/// # Returns
/// `Some((from_x, from_y, to_x, to_y))` if all objects the links refers to exist as widgets.
fn get_link_coordinates(&self, link: &crate::PipewireLink) -> Option<(f64, f64, f64, f64)> {
fn get_link_coordinates(&self, link: &Link) -> Option<(f64, f64, f64, f64)> {
let widget = &*self.obj();
let nodes = self.nodes.borrow();
let output_port = &nodes.get(&link.node_from)?.0.get_port(link.port_from)?;
let output_port = link.output_port()?;
let output_port_padding =
(output_port.allocated_width() - output_port.width()) as f64 / 2.0;
@@ -493,7 +491,7 @@ mod imp {
(output_port.height() / 2) as f64,
)?;
let input_port = &nodes.get(&link.node_to)?.0.get_port(link.port_to)?;
let input_port = link.input_port()?;
let input_port_padding =
(input_port.allocated_width() - input_port.width()) as f64 / 2.0;
@@ -671,16 +669,28 @@ impl GraphView {
}
pub fn add_link(&self, link_id: u32, link: crate::PipewireLink, active: bool) {
self.imp()
.links
.borrow_mut()
.insert(link_id, (link, active));
let nodes = self.imp().nodes.borrow();
let output_port = nodes
.get(&link.node_from)
.and_then(|(node, _)| node.get_port(link.port_from));
let input_port = nodes
.get(&link.node_to)
.and_then(|(node, _)| node.get_port(link.port_to));
let link = Link::new();
link.set_input_port(input_port.as_ref());
link.set_output_port(output_port.as_ref());
link.set_active(active);
self.imp().links.borrow_mut().insert(link_id, link);
self.queue_draw();
}
pub fn set_link_state(&self, link_id: u32, active: bool) {
if let Some((_, state)) = self.imp().links.borrow_mut().get_mut(&link_id) {
*state = active;
if let Some(link) = self.imp().links.borrow_mut().get_mut(&link_id) {
link.set_active(active);
self.queue_draw();
} else {
warn!("Link state changed on unknown link (id={})", link_id);