mirror of
https://github.com/darkrenaissance/darkfi.git
synced 2026-01-09 14:48:08 -05:00
1779 lines
64 KiB
Rust
1779 lines
64 KiB
Rust
/* This file is part of DarkFi (https://dark.fi)
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*
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* Copyright (C) 2020-2025 Dyne.org foundation
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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use async_lock::Mutex as AsyncMutex;
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use async_trait::async_trait;
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use atomic_float::AtomicF32;
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use darkfi::system::msleep;
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use darkfi_serial::Decodable;
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use futures::FutureExt;
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use miniquad::{KeyCode, KeyMods, MouseButton, TouchPhase};
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use parking_lot::Mutex as SyncMutex;
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use rand::{rngs::OsRng, Rng};
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use std::{
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io::Cursor,
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mem::swap,
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ops::{Deref, DerefMut},
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sync::{
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atomic::{AtomicBool, Ordering},
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Arc, Weak,
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},
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};
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use tracing::instrument;
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#[cfg(target_os = "android")]
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use crate::android::textinput::AndroidTextInputState;
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use crate::{
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gfx::{gfxtag, DrawCall, DrawInstruction, DrawMesh, Point, Rectangle, RenderApi, Vertex},
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mesh::MeshBuilder,
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prop::{
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BatchGuardId, BatchGuardPtr, PropertyAtomicGuard, PropertyBool, PropertyColor,
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PropertyFloat32, PropertyPtr, PropertyRect, PropertyStr, PropertyUint32, Role,
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},
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scene::{MethodCallSub, Pimpl, SceneNodePtr, SceneNodeWeak},
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text2::{self, Editor},
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ExecutorPtr,
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};
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use super::{DrawUpdate, OnModify, UIObject};
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mod filter;
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use filter::{ALLOWED_KEYCODES, DISALLOWED_CHARS};
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mod behave;
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pub use behave::BaseEditType;
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use behave::{EditorBehavior, MultiLine, ScrollDir, SingleLine};
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mod repeat;
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use repeat::{PressedKey, PressedKeysSmoothRepeat};
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/// The travel threshold on long hold select before activating select.
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const HOLD_TRAVEL_THRESHOLD_SQ: f32 = 100.;
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/// How long to hold before select is enabled in ms.
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const HOLD_ENABLE_TIME: u128 = 500;
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/// Minimum dist to update scroll when finger scrolling.
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/// Avoid updating too much makes scrolling smoother.
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const VERT_SCROLL_UPDATE_INC: f32 = 1.;
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/// How often to update the scrolling selection with mouse.
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const SELECT_TASK_UPDATE_TIME: u64 = 500;
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// Should be a property
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const SELECT_SCROLL_TRAVEL_SPEED: f32 = 1.;
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macro_rules! d { ($($arg:tt)*) => { debug!(target: "ui::edit", $($arg)*); } }
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macro_rules! t { ($($arg:tt)*) => { trace!(target: "ui::edit", $($arg)*); } }
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#[derive(Debug, Clone)]
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enum TouchStateAction {
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Inactive,
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Started { pos: Point, instant: std::time::Instant },
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StartSelect,
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Select,
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DragSelectHandle { side: isize },
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ScrollVert { start_pos: Point, scroll_start: f32 },
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SetCursorPos,
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}
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struct TouchInfo {
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state: TouchStateAction,
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scroll: Arc<AtomicF32>,
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scroll_ctrl: ScrollDir,
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}
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impl TouchInfo {
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fn new(scroll: Arc<AtomicF32>, scroll_ctrl: ScrollDir) -> Self {
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Self { state: TouchStateAction::Inactive, scroll, scroll_ctrl }
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}
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fn start(&mut self, pos: Point) {
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debug!(target: "ui::chatedit::touch", "start touch: Started state");
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self.state = TouchStateAction::Started { pos, instant: std::time::Instant::now() };
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}
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fn stop(&mut self) -> TouchStateAction {
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debug!(target: "ui::chatedit::touch", "stop touch: Inactive state");
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std::mem::replace(&mut self.state, TouchStateAction::Inactive)
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}
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fn update(&mut self, pos: &Point) {
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match &self.state {
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TouchStateAction::Started { pos: start_pos, instant } => {
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let travel_dist_sq = pos.dist_sq(*start_pos);
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let grad = (pos.y - start_pos.y) / (pos.x - start_pos.x);
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let elapsed = instant.elapsed().as_millis();
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//debug!(target: "ui::chatedit::touch", "TouchInfo::update() [travel_dist_sq={travel_dist_sq}, grad={grad}]");
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if travel_dist_sq < HOLD_TRAVEL_THRESHOLD_SQ {
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if elapsed > HOLD_ENABLE_TIME {
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debug!(target: "ui::chatedit::touch", "update touch state: Started -> StartSelect");
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self.state = TouchStateAction::StartSelect;
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}
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} else if self.scroll_ctrl.cmp(grad) {
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// Vertical movement
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debug!(target: "ui::chatedit::touch", "update touch state: Started -> ScrollVert");
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let scroll_start = self.scroll.load(Ordering::Relaxed);
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self.state =
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TouchStateAction::ScrollVert { start_pos: *start_pos, scroll_start };
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} else {
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// Horizontal movement
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debug!(target: "ui::chatedit::touch", "update touch state: Started -> SetCursorPos");
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self.state = TouchStateAction::SetCursorPos;
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}
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}
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_ => {}
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}
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}
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}
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/*
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impl std::fmt::Debug for Editor {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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let mut changes = vec![];
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let sel = self.editor.raw_selection();
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if sel.is_collapsed() {
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let cursor = sel.focus().index();
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changes.push((cursor, '|'));
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} else {
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let sel = sel.text_range();
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changes.push((sel.start, '{'));
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changes.push((sel.end, '}'));
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}
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if let Some(compose) = self.editor.compose() {
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changes.push((compose.start, '['));
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changes.push((compose.end, ']'));
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}
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changes.sort_by(|a, b| b.0.cmp(&a.0));
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write!(f, "'")?;
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let mut buffer = self.editor.raw_text();
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for (byte_idx, c) in buffer.char_indices() {
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while let Some((idx, d)) = changes.last() {
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if *idx > byte_idx {
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break
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}
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write!(f, "{}", d)?;
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let _ = changes.pop();
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}
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write!(f, "{}", c)?;
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}
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write!(f, "'")
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}
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}
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*/
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struct EditorHandle<'a> {
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guard: async_lock::MutexGuard<'a, Option<Editor>>,
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}
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impl<'a> Deref for EditorHandle<'a> {
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type Target = Editor;
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fn deref(&self) -> &Self::Target {
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self.guard.as_ref().unwrap()
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}
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}
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impl<'a> DerefMut for EditorHandle<'a> {
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fn deref_mut(&mut self) -> &mut Self::Target {
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self.guard.as_mut().unwrap()
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}
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}
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pub type BaseEditPtr = Arc<BaseEdit>;
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pub struct BaseEdit {
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node: SceneNodeWeak,
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tasks: SyncMutex<Vec<smol::Task<()>>>,
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render_api: RenderApi,
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key_repeat: SyncMutex<PressedKeysSmoothRepeat>,
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// Moves the draw cursor and applies scroll
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root_dc_key: u64,
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phone_select_handle_dc_key: u64,
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// Applies the clipping view
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content_dc_key: u64,
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select_dc_key: u64,
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text_dc_key: u64,
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cursor_dc_key: u64,
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cursor_mesh: SyncMutex<Option<DrawMesh>>,
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is_active: PropertyBool,
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is_focused: PropertyBool,
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rect: PropertyRect,
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baseline: PropertyFloat32,
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lineheight: PropertyFloat32,
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scroll_speed: PropertyFloat32,
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padding: PropertyPtr,
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font_size: PropertyFloat32,
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text: PropertyStr,
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text_color: PropertyColor,
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text_hi_color: PropertyColor,
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//text_cmd_color: PropertyColor,
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cursor_color: PropertyColor,
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cursor_width: PropertyFloat32,
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cursor_ascent: PropertyFloat32,
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cursor_descent: PropertyFloat32,
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cursor_blink_time: PropertyUint32,
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cursor_idle_time: PropertyUint32,
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hi_bg_color: PropertyColor,
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//cmd_bg_color: PropertyColor,
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select_ascent: PropertyFloat32,
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select_descent: PropertyFloat32,
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handle_descent: PropertyFloat32,
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select_text: PropertyPtr,
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z_index: PropertyUint32,
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priority: PropertyUint32,
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debug: PropertyBool,
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mouse_btn_held: AtomicBool,
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cursor_is_visible: AtomicBool,
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blink_is_paused: AtomicBool,
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/// Used to explicitly hide the cursor. Must be manually re-enabled.
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hide_cursor: AtomicBool,
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/// Used to start select and scroll when mouse moves outside widget rect.
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sel_sender: SyncMutex<Option<async_channel::Sender<Option<(Point, Option<isize>)>>>>,
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scroll: Arc<AtomicF32>,
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touch_info: SyncMutex<TouchInfo>,
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is_phone_select: AtomicBool,
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window_scale: PropertyFloat32,
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parent_rect: Arc<SyncMutex<Option<Rectangle>>>,
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is_mouse_hover: AtomicBool,
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editor: Arc<AsyncMutex<Option<Editor>>>,
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behave: Box<dyn EditorBehavior>,
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}
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impl BaseEdit {
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pub async fn new(
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node: SceneNodeWeak,
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window_scale: PropertyFloat32,
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render_api: RenderApi,
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edit_type: BaseEditType,
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) -> Pimpl {
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let node_ref = &node.upgrade().unwrap();
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let is_active = PropertyBool::wrap(node_ref, Role::Internal, "is_active", 0).unwrap();
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let is_focused = PropertyBool::wrap(node_ref, Role::Internal, "is_focused", 0).unwrap();
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let rect = PropertyRect::wrap(node_ref, Role::Internal, "rect").unwrap();
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let baseline = PropertyFloat32::wrap(node_ref, Role::Internal, "baseline", 0).unwrap();
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let lineheight = PropertyFloat32::wrap(node_ref, Role::Internal, "lineheight", 0).unwrap();
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let scroll_speed =
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PropertyFloat32::wrap(node_ref, Role::Internal, "scroll_speed", 0).unwrap();
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let padding = node_ref.get_property("padding").unwrap();
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let font_size = PropertyFloat32::wrap(node_ref, Role::Internal, "font_size", 0).unwrap();
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let text = PropertyStr::wrap(node_ref, Role::Internal, "text", 0).unwrap();
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let text_color = PropertyColor::wrap(node_ref, Role::Internal, "text_color").unwrap();
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let text_hi_color = PropertyColor::wrap(node_ref, Role::Internal, "text_hi_color").unwrap();
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//let text_cmd_color =
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// PropertyColor::wrap(node_ref, Role::Internal, "text_cmd_color").unwrap();
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let cursor_color = PropertyColor::wrap(node_ref, Role::Internal, "cursor_color").unwrap();
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let cursor_width =
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PropertyFloat32::wrap(node_ref, Role::Internal, "cursor_width", 0).unwrap();
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let cursor_ascent =
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PropertyFloat32::wrap(node_ref, Role::Internal, "cursor_ascent", 0).unwrap();
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let cursor_descent =
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PropertyFloat32::wrap(node_ref, Role::Internal, "cursor_descent", 0).unwrap();
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let hi_bg_color = PropertyColor::wrap(node_ref, Role::Internal, "hi_bg_color").unwrap();
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//let cmd_bg_color = PropertyColor::wrap(node_ref, Role::Internal, "cmd_bg_color").unwrap();
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let select_ascent =
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PropertyFloat32::wrap(node_ref, Role::Internal, "select_ascent", 0).unwrap();
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let select_descent =
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PropertyFloat32::wrap(node_ref, Role::Internal, "select_descent", 0).unwrap();
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let handle_descent =
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PropertyFloat32::wrap(node_ref, Role::Internal, "handle_descent", 0).unwrap();
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let select_text = node_ref.get_property("select_text").unwrap();
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let cursor_blink_time =
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PropertyUint32::wrap(node_ref, Role::Internal, "cursor_blink_time", 0).unwrap();
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let cursor_idle_time =
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PropertyUint32::wrap(node_ref, Role::Internal, "cursor_idle_time", 0).unwrap();
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let z_index = PropertyUint32::wrap(node_ref, Role::Internal, "z_index", 0).unwrap();
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let priority = PropertyUint32::wrap(node_ref, Role::Internal, "priority", 0).unwrap();
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let debug = PropertyBool::wrap(node_ref, Role::Internal, "debug", 0).unwrap();
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let parent_rect = Arc::new(SyncMutex::new(None));
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let editor = Arc::new(AsyncMutex::new(None));
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let scroll = Arc::new(AtomicF32::new(0.));
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let behave: Box<dyn EditorBehavior> = match edit_type {
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BaseEditType::SingleLine => Box::new(SingleLine {
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rect: rect.clone(),
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padding: padding.clone(),
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cursor_width: cursor_width.clone(),
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parent_rect: parent_rect.clone(),
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editor: editor.clone(),
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content_height: AtomicF32::new(0.),
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scroll: scroll.clone(),
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}),
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BaseEditType::MultiLine => {
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let min_height =
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PropertyFloat32::wrap(node_ref, Role::Internal, "height_range", 0).unwrap();
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let max_height =
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PropertyFloat32::wrap(node_ref, Role::Internal, "height_range", 1).unwrap();
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Box::new(MultiLine {
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min_height: min_height.clone(),
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max_height: max_height.clone(),
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rect: rect.clone(),
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baseline: baseline.clone(),
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padding: padding.clone(),
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cursor_descent: cursor_descent.clone(),
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parent_rect: parent_rect.clone(),
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editor: editor.clone(),
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content_height: AtomicF32::new(0.),
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scroll: scroll.clone(),
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})
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}
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};
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let self_ = Arc::new(Self {
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node,
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tasks: SyncMutex::new(vec![]),
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render_api,
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key_repeat: SyncMutex::new(PressedKeysSmoothRepeat::new(400, 50)),
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root_dc_key: OsRng.gen(),
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phone_select_handle_dc_key: OsRng.gen(),
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content_dc_key: OsRng.gen(),
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select_dc_key: OsRng.gen(),
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text_dc_key: OsRng.gen(),
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cursor_dc_key: OsRng.gen(),
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cursor_mesh: SyncMutex::new(None),
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is_active,
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is_focused,
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rect,
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baseline,
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lineheight: lineheight.clone(),
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scroll_speed,
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padding,
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font_size: font_size.clone(),
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text: text.clone(),
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text_color: text_color.clone(),
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text_hi_color,
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//text_cmd_color,
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cursor_color,
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cursor_width,
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cursor_ascent,
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cursor_descent,
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cursor_blink_time,
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cursor_idle_time,
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hi_bg_color,
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//cmd_bg_color,
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select_ascent,
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select_descent,
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handle_descent,
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select_text,
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z_index,
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priority,
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debug,
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mouse_btn_held: AtomicBool::new(false),
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cursor_is_visible: AtomicBool::new(true),
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blink_is_paused: AtomicBool::new(false),
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hide_cursor: AtomicBool::new(false),
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sel_sender: SyncMutex::new(None),
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scroll: scroll.clone(),
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touch_info: SyncMutex::new(TouchInfo::new(scroll, behave.scroll_ctrl())),
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is_phone_select: AtomicBool::new(false),
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window_scale: window_scale.clone(),
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parent_rect,
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is_mouse_hover: AtomicBool::new(false),
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editor,
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behave,
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});
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Pimpl::Edit(self_)
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}
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#[inline]
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fn node(&self) -> SceneNodePtr {
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self.node.upgrade().unwrap()
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}
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fn abs_to_local(&self, point: &mut Point) {
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let rect = self.rect.get();
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*point -= rect.pos();
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*point -= self.behave.inner_pos();
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*point -= self.behave.scroll();
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}
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/// Gets the real cursor pos within the rect.
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async fn get_cursor_pos(&self) -> Point {
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// This is the position within the content.
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let cursor_pos = self.lock_editor().await.get_cursor_pos();
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// Apply the inner padding
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cursor_pos + self.behave.inner_pos()
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}
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/// Lazy-initializes the editor and returns a handle to it
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async fn lock_editor<'a>(&'a self) -> EditorHandle<'a> {
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EditorHandle { guard: self.editor.lock().await }
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}
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fn regen_cursor_mesh(&self) -> DrawMesh {
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let cursor_width = self.cursor_width.get();
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let cursor_ascent = self.cursor_ascent.get();
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let cursor_descent = self.cursor_descent.get();
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let baseline = self.baseline.get();
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let cursor_rect = Rectangle {
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x: 0.,
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y: baseline - cursor_ascent,
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w: cursor_width,
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h: cursor_ascent + cursor_descent,
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};
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let cursor_color = self.cursor_color.get();
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let mut mesh = MeshBuilder::new(gfxtag!("chatedit_cursor"));
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mesh.draw_filled_box(&cursor_rect, cursor_color);
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mesh.alloc(&self.render_api).draw_untextured()
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}
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fn draw_phone_select_handle(&self, mesh: &mut MeshBuilder, mut pos: Point, side: f32) {
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let baseline = self.baseline.get();
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let select_ascent = self.select_ascent.get();
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let handle_descent = self.handle_descent.get();
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let color = self.text_hi_color.get();
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// Transparent for fade
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let mut color_trans = color.clone();
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color_trans[3] = 0.;
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pos += self.behave.inner_pos();
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let x = pos.x;
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let mut y = pos.y + baseline;
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// We can cache this
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// Vertical line downwards. We use this instead of draw_box() so we have a fade.
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let verts = vec![
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Vertex { pos: [x - side * 1., y - select_ascent], color: color_trans, uv: [0., 0.] },
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Vertex { pos: [x + side * 4., y - select_ascent], color: color_trans, uv: [0., 0.] },
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Vertex { pos: [x - side * 1., y + handle_descent + 5.], color, uv: [0., 0.] },
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|
Vertex { pos: [x + side * 4., y + handle_descent + 5.], color, uv: [0., 0.] },
|
|
];
|
|
let indices = vec![0, 2, 1, 1, 2, 3];
|
|
mesh.append(verts, indices);
|
|
|
|
y += handle_descent;
|
|
|
|
// The arrow itself.
|
|
// Go anti-clockwise
|
|
let verts = vec![
|
|
Vertex { pos: [x, y], color, uv: [0., 0.] },
|
|
Vertex { pos: [x, y + 50.], color, uv: [0., 0.] },
|
|
Vertex { pos: [x + side * 30., y + 50.], color, uv: [0., 0.] },
|
|
Vertex { pos: [x + side * 50., y + 25.], color, uv: [0., 0.] },
|
|
];
|
|
let indices = vec![0, 1, 2, 0, 2, 3];
|
|
mesh.append(verts, indices);
|
|
}
|
|
|
|
async fn change_focus(self: Arc<Self>, batch: BatchGuardPtr) {
|
|
if !self.is_active.get() {
|
|
return
|
|
}
|
|
t!("Focus changed");
|
|
|
|
let atom = &mut batch.spawn();
|
|
// Cursor visibility will change so just redraw everything lol
|
|
self.redraw(atom).await;
|
|
}
|
|
|
|
async fn handle_shortcut(
|
|
&self,
|
|
key: char,
|
|
mods: &KeyMods,
|
|
atom: &mut PropertyAtomicGuard,
|
|
) -> bool {
|
|
t!("handle_shortcut({:?}, {:?})", key, mods);
|
|
|
|
#[cfg(not(target_os = "macos"))]
|
|
let action_mod = mods.ctrl;
|
|
|
|
#[cfg(target_os = "macos")]
|
|
let action_mod = mods.logo;
|
|
|
|
match key {
|
|
'a' => {
|
|
if action_mod {
|
|
let mut txt_ctx = text2::TEXT_CTX.get().await;
|
|
let mut editor = self.lock_editor().await;
|
|
let mut drv = editor.driver(&mut txt_ctx).unwrap();
|
|
|
|
drv.select_all();
|
|
if let Some(seltext) = editor.selected_text() {
|
|
self.select_text.clone().set_str(atom, Role::Internal, 0, seltext).unwrap();
|
|
}
|
|
}
|
|
}
|
|
'c' => {
|
|
if action_mod {
|
|
let editor = self.lock_editor().await;
|
|
if let Some(txt) = editor.selected_text() {
|
|
miniquad::window::clipboard_set(&txt);
|
|
}
|
|
}
|
|
}
|
|
'v' => {
|
|
if action_mod {
|
|
if let Some(txt) = miniquad::window::clipboard_get() {
|
|
self.insert(&txt, atom).await;
|
|
// Maybe insert should call this?
|
|
self.behave.apply_cursor_scroll().await;
|
|
}
|
|
}
|
|
}
|
|
_ => return false,
|
|
}
|
|
|
|
self.eval_rect().await;
|
|
self.redraw(atom).await;
|
|
true
|
|
}
|
|
|
|
async fn handle_key(
|
|
&self,
|
|
key: &KeyCode,
|
|
mods: &KeyMods,
|
|
atom: &mut PropertyAtomicGuard,
|
|
) -> bool {
|
|
#[cfg(not(target_os = "macos"))]
|
|
let action_mod = mods.ctrl;
|
|
|
|
#[cfg(target_os = "macos")]
|
|
let action_mod = mods.logo;
|
|
|
|
t!("handle_key({:?}, {:?}) action_mod={action_mod}", key, mods);
|
|
|
|
let mut txt_ctx = text2::TEXT_CTX.get().await;
|
|
let mut editor = self.lock_editor().await;
|
|
let mut drv = editor.driver(&mut txt_ctx).unwrap();
|
|
|
|
match key {
|
|
KeyCode::Left => {
|
|
if action_mod {
|
|
if mods.shift {
|
|
drv.select_word_left();
|
|
} else {
|
|
drv.move_word_left();
|
|
}
|
|
} else if mods.shift {
|
|
drv.select_left();
|
|
} else {
|
|
drv.move_left();
|
|
}
|
|
}
|
|
KeyCode::Right => {
|
|
if action_mod {
|
|
if mods.shift {
|
|
drv.select_word_right();
|
|
} else {
|
|
drv.move_word_right();
|
|
}
|
|
} else if mods.shift {
|
|
drv.select_right();
|
|
} else {
|
|
drv.move_right();
|
|
}
|
|
}
|
|
KeyCode::Up => {
|
|
if mods.shift {
|
|
drv.select_up();
|
|
} else {
|
|
drv.move_up();
|
|
}
|
|
}
|
|
KeyCode::Down => {
|
|
if mods.shift {
|
|
drv.select_down();
|
|
} else {
|
|
drv.move_down();
|
|
}
|
|
}
|
|
KeyCode::Enter | KeyCode::KpEnter => {
|
|
if mods.shift {
|
|
if self.behave.allow_endl() {
|
|
drv.insert_or_replace_selection("\n");
|
|
editor.on_buffer_changed(atom).await;
|
|
}
|
|
} else {
|
|
//let node = self.node.upgrade().unwrap();
|
|
//node.trigger("enter_pressed", vec![]).await.unwrap();
|
|
return false;
|
|
}
|
|
}
|
|
KeyCode::Delete => {
|
|
if action_mod {
|
|
drv.delete_word();
|
|
} else {
|
|
drv.delete();
|
|
}
|
|
editor.on_buffer_changed(atom).await;
|
|
}
|
|
KeyCode::Backspace => {
|
|
if action_mod {
|
|
drv.backdelete_word();
|
|
} else {
|
|
drv.backdelete();
|
|
}
|
|
editor.on_buffer_changed(atom).await;
|
|
}
|
|
KeyCode::Home => {
|
|
if action_mod {
|
|
if mods.shift {
|
|
drv.select_to_text_start();
|
|
} else {
|
|
drv.move_to_text_start();
|
|
}
|
|
} else if mods.shift {
|
|
drv.select_to_line_start();
|
|
} else {
|
|
drv.move_to_line_start();
|
|
}
|
|
}
|
|
KeyCode::End => {
|
|
if action_mod {
|
|
if mods.shift {
|
|
drv.select_to_text_end();
|
|
} else {
|
|
drv.move_to_text_end();
|
|
}
|
|
} else if mods.shift {
|
|
drv.select_to_line_end();
|
|
} else {
|
|
drv.move_to_line_end();
|
|
}
|
|
}
|
|
_ => return false,
|
|
}
|
|
|
|
if let Some(seltext) = editor.selected_text() {
|
|
self.select_text.clone().set_str(atom, Role::Internal, 0, seltext).unwrap();
|
|
} else {
|
|
self.select_text.clone().set_null(atom, Role::Internal, 0).unwrap();
|
|
}
|
|
|
|
drop(editor);
|
|
drop(txt_ctx);
|
|
|
|
self.eval_rect().await;
|
|
self.behave.apply_cursor_scroll().await;
|
|
self.pause_blinking();
|
|
self.redraw(atom).await;
|
|
|
|
return true
|
|
}
|
|
|
|
/// This will select the entire word rather than move the cursor to that location
|
|
async fn start_touch_select(&self, touch_pos: Point, atom: &mut PropertyAtomicGuard) {
|
|
t!("start_touch_select({touch_pos:?})");
|
|
|
|
let mut editor = self.lock_editor().await;
|
|
editor.select_word_at_point(touch_pos).await;
|
|
editor.refresh().await;
|
|
|
|
let seltext = editor.selected_text().unwrap();
|
|
d!("Selected {seltext:?} from {touch_pos:?}");
|
|
self.select_text.clone().set_str(atom, Role::Internal, 0, seltext).unwrap();
|
|
|
|
drop(editor);
|
|
|
|
// if start != end {
|
|
t!("is_phone_select = true");
|
|
self.is_phone_select.store(true, Ordering::Relaxed);
|
|
self.hide_cursor.store(true, Ordering::Relaxed);
|
|
// }
|
|
}
|
|
|
|
async fn handle_touch_start(&self, touch_pos: Point) -> bool {
|
|
t!("handle_touch_start({touch_pos:?})");
|
|
|
|
let rect = self.rect.get();
|
|
if !rect.contains(touch_pos) {
|
|
t!("rect!cont rect={rect:?}, touch_pos={touch_pos:?}");
|
|
return false
|
|
}
|
|
|
|
if self.try_handle_drag(touch_pos).await {
|
|
return true
|
|
}
|
|
|
|
let mut touch_info = self.touch_info.lock();
|
|
touch_info.start(touch_pos);
|
|
true
|
|
}
|
|
|
|
async fn get_select_handles(&self, editor: &Editor) -> Option<(Point, Point)> {
|
|
let layout = editor.layout();
|
|
|
|
let sel = editor.selection(1);
|
|
if sel.is_collapsed() {
|
|
assert!(!self.is_phone_select.load(Ordering::Relaxed));
|
|
return None
|
|
}
|
|
|
|
let first = Rectangle::from(sel.anchor().geometry(layout, 0.)).pos();
|
|
let last = Rectangle::from(sel.focus().geometry(layout, 0.)).pos();
|
|
Some((first, last))
|
|
}
|
|
|
|
async fn try_handle_drag(&self, mut touch_pos: Point) -> bool {
|
|
let editor = self.lock_editor().await;
|
|
let Some((mut first, mut last)) = self.get_select_handles(&editor).await else {
|
|
return false
|
|
};
|
|
|
|
self.abs_to_local(&mut touch_pos);
|
|
t!("localize touch_pos = {touch_pos:?}");
|
|
|
|
let baseline = self.baseline.get();
|
|
let handle_off_y = self.handle_descent.get();
|
|
|
|
first.y += baseline + handle_off_y;
|
|
last.y += baseline + handle_off_y;
|
|
|
|
// Are we within range of either one?
|
|
t!("handle center points = ({first:?}, {last:?})");
|
|
|
|
const TOUCH_RADIUS_SQ: f32 = 10_000.;
|
|
|
|
let first_dist_sq = first.dist_sq(touch_pos);
|
|
let last_dist_sq = last.dist_sq(touch_pos);
|
|
|
|
let is_first = first_dist_sq <= TOUCH_RADIUS_SQ;
|
|
let is_last = last_dist_sq <= TOUCH_RADIUS_SQ;
|
|
|
|
let mut side = 0;
|
|
|
|
if is_first && is_last {
|
|
// Are we closer to the first or last?
|
|
// Break the tie
|
|
if first_dist_sq < last_dist_sq {
|
|
side = -1;
|
|
} else {
|
|
side = 1;
|
|
}
|
|
} else if is_first {
|
|
side = -1;
|
|
} else if is_last {
|
|
side = 1;
|
|
}
|
|
|
|
if side != 0 {
|
|
d!("start touch: DragSelectHandle state [side={side}]");
|
|
// Set touch_state status to enable begin dragging them
|
|
let mut touch_info = self.touch_info.lock();
|
|
touch_info.state = TouchStateAction::DragSelectHandle { side };
|
|
return true
|
|
}
|
|
|
|
false
|
|
}
|
|
|
|
async fn handle_touch_move(&self, mut touch_pos: Point) -> bool {
|
|
if !self.is_active.get() {
|
|
return false
|
|
}
|
|
|
|
// We must update with non relative touch_pos bcos when doing vertical scrolling
|
|
// we will modify the scroll, which is used by abs_to_local(), which is used
|
|
// to then calculate the max scroll. So it ends up jumping around.
|
|
// We use the abs touch_pos without scroll adjust applied for vert scrolling.
|
|
let touch_state = {
|
|
let mut touch_info = self.touch_info.lock();
|
|
touch_info.update(&touch_pos);
|
|
touch_info.state.clone()
|
|
};
|
|
//t!("handle_touch_move({touch_pos:?}) touch_state={touch_state:?}");
|
|
match &touch_state {
|
|
TouchStateAction::Inactive => return false,
|
|
TouchStateAction::StartSelect => {
|
|
if self.text.get().is_empty() {
|
|
self.node().trigger("paste_request", vec![]).await.unwrap();
|
|
} else {
|
|
self.abs_to_local(&mut touch_pos);
|
|
|
|
let atom =
|
|
&mut self.render_api.make_guard(gfxtag!("BaseEdit::handle_touch_move"));
|
|
self.start_touch_select(touch_pos, atom).await;
|
|
self.redraw_select(atom.batch_id).await;
|
|
}
|
|
d!("touch state: StartSelect -> Select");
|
|
self.touch_info.lock().state = TouchStateAction::Select;
|
|
}
|
|
TouchStateAction::DragSelectHandle { side } => {
|
|
let rect = self.rect.get();
|
|
let is_touch_hover = rect.contains(touch_pos);
|
|
|
|
let sel_sender = self.sel_sender.lock().clone().unwrap();
|
|
// Mouse is outside rect?
|
|
// If so we gotta scroll it while selecting.
|
|
if !is_touch_hover {
|
|
// This process will begin selecting text and applying scroll too.
|
|
sel_sender.send(Some((touch_pos, Some(*side)))).await.unwrap();
|
|
} else {
|
|
// Stop any existing select/scroll process
|
|
sel_sender.send(None).await.unwrap();
|
|
// Mouse is inside so just select the text once and be done.
|
|
self.handle_select(touch_pos, Some(*side)).await;
|
|
}
|
|
}
|
|
TouchStateAction::ScrollVert { start_pos, scroll_start } => {
|
|
let travel_dist = self.behave.scroll_ctrl().travel(*start_pos, touch_pos);
|
|
let mut scroll = scroll_start + travel_dist;
|
|
scroll = scroll.clamp(0., self.behave.max_scroll().await);
|
|
if (self.scroll.load(Ordering::Relaxed) - scroll).abs() < VERT_SCROLL_UPDATE_INC {
|
|
return true
|
|
}
|
|
self.scroll.store(scroll, Ordering::Release);
|
|
let atom = &mut self.render_api.make_guard(gfxtag!("BaseEdit::handle_touch_move"));
|
|
self.redraw_scroll(atom.batch_id).await;
|
|
}
|
|
TouchStateAction::SetCursorPos => {
|
|
// TBH I can't even see the cursor under my thumb so I'll just
|
|
// comment this for now.
|
|
}
|
|
_ => {}
|
|
}
|
|
true
|
|
}
|
|
async fn handle_touch_end(&self, atom: &mut PropertyAtomicGuard, mut touch_pos: Point) -> bool {
|
|
//t!("handle_touch_end({touch_pos:?})");
|
|
self.abs_to_local(&mut touch_pos);
|
|
|
|
let state = self.touch_info.lock().stop();
|
|
match state {
|
|
TouchStateAction::Inactive => return false,
|
|
TouchStateAction::Started { pos: _, instant: _ } | TouchStateAction::SetCursorPos => {
|
|
self.touch_set_cursor_pos(atom, touch_pos).await;
|
|
self.redraw(atom).await;
|
|
}
|
|
_ => {}
|
|
}
|
|
|
|
// Stop any selection scrolling
|
|
let scroll_sender = self.sel_sender.lock().clone().unwrap();
|
|
scroll_sender.send(None).await.unwrap();
|
|
|
|
self.node().trigger("focus_request", vec![]).await.unwrap();
|
|
|
|
true
|
|
}
|
|
|
|
async fn touch_set_cursor_pos(&self, atom: &mut PropertyAtomicGuard, touch_pos: Point) {
|
|
t!("touch_set_cursor_pos({touch_pos:?})");
|
|
|
|
let mut editor = self.lock_editor().await;
|
|
editor.move_to_pos(touch_pos);
|
|
editor.refresh().await;
|
|
drop(editor);
|
|
|
|
self.pause_blinking();
|
|
self.finish_select(atom);
|
|
}
|
|
|
|
fn finish_select(&self, atom: &mut PropertyAtomicGuard) {
|
|
self.is_phone_select.store(false, Ordering::Release);
|
|
self.hide_cursor.store(false, Ordering::Release);
|
|
self.select_text.clone().set_null(atom, Role::Internal, 0).unwrap();
|
|
}
|
|
|
|
async fn handle_select(&self, mouse_pos: Point, side: Option<isize>) {
|
|
//t!("handle_select({mouse_pos:?}, {side:?})");
|
|
let rect = self.rect.get();
|
|
let is_mouse_hover = rect.contains(mouse_pos);
|
|
|
|
let mut clip_mouse_pos = rect.clip_point(mouse_pos);
|
|
|
|
let atom = &mut self.render_api.make_guard(gfxtag!("BaseEdit::handle_mouse_move"));
|
|
|
|
// Handle scrolling
|
|
if !is_mouse_hover {
|
|
let scroll_ctrl = self.behave.scroll_ctrl();
|
|
// How far is the cursor outside the widget rect
|
|
let travel = scroll_ctrl.travel(mouse_pos, clip_mouse_pos);
|
|
//t!("select autoscroll travel={travel}");
|
|
|
|
let max_scroll = self.behave.max_scroll().await;
|
|
let delta = travel * SELECT_SCROLL_TRAVEL_SPEED;
|
|
let scroll = (self.scroll.load(Ordering::Relaxed) + delta).clamp(0., max_scroll);
|
|
self.scroll.store(scroll, Ordering::Release);
|
|
|
|
self.redraw_scroll(atom.batch_id).await;
|
|
}
|
|
|
|
// Move mouse pos within this widget
|
|
self.abs_to_local(&mut clip_mouse_pos);
|
|
|
|
let mut sel_side = 1;
|
|
if let Some(side) = side {
|
|
sel_side = side;
|
|
}
|
|
|
|
let seltext = {
|
|
let mut editor = self.lock_editor().await;
|
|
|
|
// The below lines rely on parley driver which android does not use
|
|
//let mut txt_ctx = text2::TEXT_CTX.get().await;
|
|
//let mut drv = editor.driver(&mut txt_ctx).unwrap();
|
|
//drv.extend_selection_to_point(clip_mouse_pos.x, clip_mouse_pos.y);
|
|
let layout = editor.layout();
|
|
let prev_sel = editor.selection(sel_side);
|
|
let sel = prev_sel.extend_to_point(layout, clip_mouse_pos.x, clip_mouse_pos.y);
|
|
let (mut prev_start, mut prev_end) =
|
|
(prev_sel.anchor().index(), prev_sel.focus().index());
|
|
let (mut start, mut end) = (sel.anchor().index(), sel.focus().index());
|
|
//t!("handle_select() setting ({start}, {end})");
|
|
|
|
// When dragging phone handles we prevent the selection crossing over itself.
|
|
// Mouse select does not have this limitation.
|
|
if let Some(side) = side {
|
|
assert!(side.abs() == 1);
|
|
assert!(self.is_phone_select.load(Ordering::Relaxed));
|
|
|
|
// Prevent selection crossing itself
|
|
if side == -1 {
|
|
let max_end = sel.anchor().previous_visual(layout).index();
|
|
end = std::cmp::min(end, max_end);
|
|
//t!("handle_select(): LHS set focus {end} before {max_end}");
|
|
// When selecting from the LHS these will be swapped so swap them back
|
|
swap(&mut start, &mut end);
|
|
swap(&mut prev_start, &mut prev_end);
|
|
} else {
|
|
let min_end = sel.anchor().next_visual(layout).index();
|
|
end = std::cmp::max(end, min_end);
|
|
//t!("handle_select(): RHS set focus {end} after {min_end}");
|
|
}
|
|
}
|
|
|
|
if start == prev_start && end == prev_end {
|
|
// No change so just return
|
|
//t!("handle_select(): no change early exit");
|
|
return
|
|
}
|
|
#[cfg(target_os = "android")]
|
|
assert!(start < end);
|
|
|
|
//t!("handle_select(): set_selection({start}, {end})");
|
|
editor.set_selection(start, end).await;
|
|
editor.refresh().await;
|
|
|
|
editor.selected_text()
|
|
};
|
|
//d!("Select {seltext:?} from {clip_mouse_pos:?} (unclipped: {mouse_pos:?}) to ({sel_start}, {sel_end})");
|
|
|
|
// Android editor impl detail: selection disappears when anchor == index
|
|
// But we disallow this so it should never happen. Just making a note of it here.
|
|
// See the android only assert that `start < end` in the block above.
|
|
#[cfg(target_os = "android")]
|
|
{
|
|
//if sel_start == sel_end {
|
|
// self.finish_select(atom);
|
|
//}
|
|
}
|
|
|
|
// Will be None when drag select just started
|
|
if let Some(seltext) = seltext {
|
|
self.select_text.clone().set_str(atom, Role::Internal, 0, seltext).unwrap();
|
|
}
|
|
|
|
self.pause_blinking();
|
|
//self.behave.apply_cursor_scroll().await;
|
|
self.redraw_cursor(atom.batch_id).await;
|
|
self.redraw_select(atom.batch_id).await;
|
|
}
|
|
|
|
fn pause_blinking(&self) {
|
|
self.blink_is_paused.store(true, Ordering::Relaxed);
|
|
self.cursor_is_visible.store(true, Ordering::Relaxed);
|
|
}
|
|
|
|
#[instrument(target = "ui::edit")]
|
|
async fn redraw(&self, atom: &mut PropertyAtomicGuard) {
|
|
let draw_update = self.make_draw_calls().await;
|
|
self.render_api.replace_draw_calls(atom.batch_id, draw_update.draw_calls);
|
|
}
|
|
|
|
/// Called when scroll changes. Moves content up or down. Nothing more.
|
|
async fn redraw_scroll(&self, batch_id: BatchGuardId) {
|
|
let rect = self.rect.get();
|
|
|
|
let mut content_instrs = vec![DrawInstruction::ApplyView(rect.with_zero_pos())];
|
|
let mut bg_instrs = self.regen_bg_mesh();
|
|
content_instrs.append(&mut bg_instrs);
|
|
content_instrs.push(DrawInstruction::Move(self.behave.scroll()));
|
|
|
|
let draw_main = vec![(
|
|
self.content_dc_key,
|
|
DrawCall::new(
|
|
content_instrs,
|
|
vec![
|
|
self.text_dc_key,
|
|
self.phone_select_handle_dc_key,
|
|
self.cursor_dc_key,
|
|
self.select_dc_key,
|
|
],
|
|
0,
|
|
"chatedit_content",
|
|
),
|
|
)];
|
|
self.render_api.replace_draw_calls(batch_id, draw_main);
|
|
}
|
|
|
|
async fn redraw_cursor(&self, batch_id: BatchGuardId) {
|
|
let instrs = self.get_cursor_instrs().await;
|
|
let draw_calls = vec![(self.cursor_dc_key, DrawCall::new(instrs, vec![], 2, "curs_redr"))];
|
|
self.render_api.replace_draw_calls(batch_id, draw_calls);
|
|
}
|
|
|
|
async fn redraw_select(&self, batch_id: BatchGuardId) {
|
|
let sel_instrs = self.regen_select_mesh().await;
|
|
let phone_sel_instrs = self.regen_phone_select_handle_mesh().await;
|
|
let draw_calls = vec![
|
|
(self.select_dc_key, DrawCall::new(sel_instrs, vec![], 0, "chatedit_sel")),
|
|
(
|
|
self.phone_select_handle_dc_key,
|
|
DrawCall::new(phone_sel_instrs, vec![], 1, "chatedit_phone_sel_redraw_sel"),
|
|
),
|
|
];
|
|
self.render_api.replace_draw_calls(batch_id, draw_calls);
|
|
}
|
|
|
|
async fn get_cursor_instrs(&self) -> Vec<DrawInstruction> {
|
|
if !self.is_focused.get() ||
|
|
!self.cursor_is_visible.load(Ordering::Relaxed) ||
|
|
self.hide_cursor.load(Ordering::Relaxed)
|
|
{
|
|
return vec![]
|
|
}
|
|
|
|
let cursor_mesh =
|
|
self.cursor_mesh.lock().get_or_insert_with(|| self.regen_cursor_mesh()).clone();
|
|
|
|
vec![DrawInstruction::Move(self.get_cursor_pos().await), DrawInstruction::Draw(cursor_mesh)]
|
|
}
|
|
|
|
fn regen_bg_mesh(&self) -> Vec<DrawInstruction> {
|
|
if !self.debug.get() {
|
|
return vec![]
|
|
}
|
|
|
|
let mut rect = self.rect.get().with_zero_pos();
|
|
|
|
let mut mesh = MeshBuilder::new(gfxtag!("chatedit_bg"));
|
|
mesh.draw_outline(&rect, [0., 1., 0., 1.], 1.);
|
|
|
|
let pad_top = self.padding.get_f32(0).unwrap();
|
|
let pad_right = self.padding.get_f32(1).unwrap();
|
|
let pad_bottom = self.padding.get_f32(2).unwrap();
|
|
let pad_left = self.padding.get_f32(3).unwrap();
|
|
|
|
rect.x = pad_left;
|
|
rect.y = pad_top;
|
|
rect.w -= pad_left + pad_right;
|
|
rect.h -= pad_top + pad_bottom;
|
|
mesh.draw_outline(&rect, [0., 1., 0., 0.5], 1.);
|
|
|
|
vec![DrawInstruction::Draw(mesh.alloc(&self.render_api).draw_untextured())]
|
|
}
|
|
|
|
async fn regen_txt_mesh(&self) -> Vec<DrawInstruction> {
|
|
let mut instrs = vec![DrawInstruction::Move(self.behave.inner_pos())];
|
|
|
|
let editor = self.lock_editor().await;
|
|
let layout = editor.layout();
|
|
|
|
let mut render_instrs =
|
|
text2::render_layout(layout, &self.render_api, gfxtag!("chatedit_txt_mesh"));
|
|
instrs.append(&mut render_instrs);
|
|
|
|
instrs
|
|
}
|
|
|
|
async fn regen_select_mesh(&self) -> Vec<DrawInstruction> {
|
|
let mut instrs = vec![DrawInstruction::Move(self.behave.inner_pos())];
|
|
|
|
let editor = self.lock_editor().await;
|
|
let layout = editor.layout();
|
|
|
|
let sel = editor.selection(1);
|
|
let sel_color = self.hi_bg_color.get();
|
|
if !sel.is_collapsed() {
|
|
let mut mesh = MeshBuilder::new(gfxtag!("chatedit_select_mesh"));
|
|
sel.geometry_with(layout, |rect: parley::BoundingBox, _| {
|
|
mesh.draw_filled_box(&rect.into(), sel_color);
|
|
});
|
|
|
|
instrs.push(DrawInstruction::Draw(mesh.alloc(&self.render_api).draw_untextured()));
|
|
}
|
|
|
|
instrs
|
|
}
|
|
|
|
async fn regen_phone_select_handle_mesh(&self) -> Vec<DrawInstruction> {
|
|
if !self.is_phone_select.load(Ordering::Acquire) {
|
|
//t!("regen_phone_select_handle_mesh() [DISABLED]");
|
|
return vec![]
|
|
}
|
|
let editor = self.lock_editor().await;
|
|
let (first, last) = self.get_select_handles(&editor).await.unwrap();
|
|
|
|
let sel = editor.selection(1);
|
|
assert!(!sel.is_collapsed());
|
|
|
|
// We could cache this and use Move instead but why bother?
|
|
let mut mesh = MeshBuilder::new(gfxtag!("chatedit_phone_select_handle"));
|
|
self.draw_phone_select_handle(&mut mesh, first, -1.);
|
|
self.draw_phone_select_handle(&mut mesh, last, 1.);
|
|
vec![DrawInstruction::Draw(mesh.alloc(&self.render_api).draw_untextured())]
|
|
}
|
|
|
|
/// This does not make use of an atom since we want to de-atomize updating this widget from
|
|
/// its dependencies so theres zero latency when typing.
|
|
/// Should be called when text contents changes.
|
|
async fn eval_rect(&self) {
|
|
let atom = &mut self.render_api.make_guard(gfxtag!("BaseEdit::make_draw_calls"));
|
|
self.behave.eval_rect(atom).await;
|
|
}
|
|
|
|
async fn make_draw_calls(&self) -> DrawUpdate {
|
|
let rect = self.rect.get();
|
|
|
|
let cursor_instrs = self.get_cursor_instrs().await;
|
|
let txt_instrs = self.regen_txt_mesh().await;
|
|
let sel_instrs = self.regen_select_mesh().await;
|
|
let phone_sel_instrs = self.regen_phone_select_handle_mesh().await;
|
|
|
|
let mut content_instrs = vec![DrawInstruction::ApplyView(rect.with_zero_pos())];
|
|
let mut bg_instrs = self.regen_bg_mesh();
|
|
content_instrs.append(&mut bg_instrs);
|
|
content_instrs.push(DrawInstruction::Move(self.behave.scroll()));
|
|
|
|
// + root (move)
|
|
// -+ content (apply view)
|
|
// └╴select
|
|
// └╴text
|
|
// └╴phone_handle
|
|
// └╴cursor
|
|
|
|
// Why do we have such a complicated layout?
|
|
// When adjusting selection, it's slow to redraw everything, so the selection
|
|
// must be drawn separately.
|
|
// Lastly the cursor is blinking and that's on top but with clipping.
|
|
|
|
DrawUpdate {
|
|
key: self.root_dc_key,
|
|
draw_calls: vec![
|
|
(
|
|
self.root_dc_key,
|
|
DrawCall::new(
|
|
vec![DrawInstruction::Move(rect.pos())],
|
|
vec![self.content_dc_key],
|
|
self.z_index.get(),
|
|
"chatedit_root",
|
|
),
|
|
),
|
|
(
|
|
self.content_dc_key,
|
|
DrawCall::new(
|
|
content_instrs,
|
|
vec![
|
|
self.text_dc_key,
|
|
self.phone_select_handle_dc_key,
|
|
self.cursor_dc_key,
|
|
self.select_dc_key,
|
|
],
|
|
0,
|
|
"chatedit_content",
|
|
),
|
|
),
|
|
(self.select_dc_key, DrawCall::new(sel_instrs, vec![], 0, "chatedit_sel")),
|
|
(self.text_dc_key, DrawCall::new(txt_instrs, vec![], 1, "chatedit_text")),
|
|
(self.cursor_dc_key, DrawCall::new(cursor_instrs, vec![], 2, "chatedit_curs")),
|
|
(
|
|
self.phone_select_handle_dc_key,
|
|
DrawCall::new(phone_sel_instrs, vec![], 1, "chatedit_phone_sel"),
|
|
),
|
|
],
|
|
}
|
|
}
|
|
|
|
async fn insert(&self, txt: &str, atom: &mut PropertyAtomicGuard) {
|
|
let mut editor = self.lock_editor().await;
|
|
editor.insert(txt, atom).await;
|
|
}
|
|
|
|
async fn process_insert_text_method(me: &Weak<Self>, sub: &MethodCallSub) -> bool {
|
|
let Ok(method_call) = sub.receive().await else {
|
|
debug!(target: "ui::chatedit", "Event relayer closed");
|
|
return false
|
|
};
|
|
|
|
t!("method called: insert_line({method_call:?})");
|
|
assert!(method_call.send_res.is_none());
|
|
|
|
fn decode_data(data: &[u8]) -> std::io::Result<String> {
|
|
let mut cur = Cursor::new(&data);
|
|
let text = String::decode(&mut cur)?;
|
|
Ok(text)
|
|
}
|
|
|
|
let Ok(text) = decode_data(&method_call.data) else {
|
|
error!(target: "ui::chatedit", "insert_text() method invalid arg data");
|
|
return true
|
|
};
|
|
|
|
let Some(self_) = me.upgrade() else {
|
|
// Should not happen
|
|
panic!("self destroyed before insert_text_method_task was stopped!");
|
|
};
|
|
|
|
let atom =
|
|
&mut self_.render_api.make_guard(gfxtag!("BaseEdit::process_insert_text_method"));
|
|
self_.insert(&text, atom).await;
|
|
self_.eval_rect().await;
|
|
self_.redraw(atom).await;
|
|
true
|
|
}
|
|
|
|
async fn process_focus_method(me: &Weak<Self>, sub: &MethodCallSub) -> bool {
|
|
let Ok(method_call) = sub.receive().await else {
|
|
debug!(target: "ui::chatedit", "Event relayer closed");
|
|
return false
|
|
};
|
|
|
|
t!("method called: focus({method_call:?})");
|
|
assert!(method_call.send_res.is_none());
|
|
assert!(method_call.data.is_empty());
|
|
|
|
let Some(self_) = me.upgrade() else {
|
|
// Should not happen
|
|
panic!("self destroyed before insert_text_method_task was stopped!");
|
|
};
|
|
|
|
let mut editor = self_.lock_editor().await;
|
|
editor.focus();
|
|
true
|
|
}
|
|
async fn process_unfocus_method(me: &Weak<Self>, sub: &MethodCallSub) -> bool {
|
|
let Ok(method_call) = sub.receive().await else {
|
|
debug!(target: "ui::chatedit", "Event relayer closed");
|
|
return false
|
|
};
|
|
|
|
t!("method called: focus({method_call:?})");
|
|
assert!(method_call.send_res.is_none());
|
|
assert!(method_call.data.is_empty());
|
|
|
|
let Some(self_) = me.upgrade() else {
|
|
// Should not happen
|
|
panic!("self destroyed before insert_text_method_task was stopped!");
|
|
};
|
|
|
|
let mut editor = self_.lock_editor().await;
|
|
editor.unfocus();
|
|
true
|
|
}
|
|
|
|
#[cfg(target_os = "android")]
|
|
async fn handle_android_event(&self, state: AndroidTextInputState) {
|
|
if !self.is_active.get() {
|
|
return
|
|
}
|
|
|
|
t!("handle_android_event({state:?})");
|
|
let atom = &mut self.render_api.make_guard(gfxtag!("BaseEdit::handle_android_event"));
|
|
|
|
let mut editor = self.lock_editor().await;
|
|
// Diff old and new state so we know what changed
|
|
let is_text_changed = editor.state.text != state.text;
|
|
let is_select_changed = editor.state.select != state.select;
|
|
let is_compose_changed = editor.state.compose != state.compose;
|
|
editor.state = state;
|
|
editor.on_buffer_changed(atom).await;
|
|
drop(editor);
|
|
|
|
// Nothing changed. Just return.
|
|
if !is_text_changed && !is_select_changed && !is_compose_changed {
|
|
t!("Skipping update since nothing changed");
|
|
return
|
|
}
|
|
|
|
self.eval_rect().await;
|
|
self.behave.apply_cursor_scroll().await;
|
|
|
|
//t!("is_text_changed={is_text_changed}, is_select_changed={is_select_changed}, is_compose_changed={is_compose_changed}");
|
|
// Only redraw once we have the parent_rect
|
|
// Can happen when we receive an Android event before the canvas is ready
|
|
if self.parent_rect.lock().is_none() {
|
|
return
|
|
}
|
|
|
|
// Text changed - finish any active selection
|
|
if is_text_changed || is_compose_changed {
|
|
self.pause_blinking();
|
|
//assert!(state.text != self.text.get());
|
|
self.finish_select(atom);
|
|
self.redraw(atom).await;
|
|
} else if is_select_changed {
|
|
// Redrawing the entire text just for select changes is expensive
|
|
self.redraw_cursor(atom.batch_id).await;
|
|
self.redraw_select(atom.batch_id).await;
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Drop for BaseEdit {
|
|
fn drop(&mut self) {
|
|
let atom = self.render_api.make_guard(gfxtag!("BaseEdit::drop"));
|
|
self.render_api
|
|
.replace_draw_calls(atom.batch_id, vec![(self.text_dc_key, Default::default())]);
|
|
}
|
|
}
|
|
|
|
#[async_trait]
|
|
impl UIObject for BaseEdit {
|
|
fn priority(&self) -> u32 {
|
|
self.priority.get()
|
|
}
|
|
|
|
fn init(&self) {
|
|
let mut guard = self.editor.lock_blocking();
|
|
assert!(guard.is_none());
|
|
*guard = Some(Editor::new(
|
|
self.text.clone(),
|
|
self.font_size.clone(),
|
|
self.text_color.clone(),
|
|
self.window_scale.clone(),
|
|
self.lineheight.clone(),
|
|
));
|
|
}
|
|
|
|
async fn start(self: Arc<Self>, ex: ExecutorPtr) {
|
|
let me = Arc::downgrade(&self);
|
|
|
|
let node_ref = &self.node.upgrade().unwrap();
|
|
|
|
let method_sub = node_ref.subscribe_method_call("insert_text").unwrap();
|
|
let me2 = me.clone();
|
|
let insert_text_task =
|
|
ex.spawn(
|
|
async move { while Self::process_insert_text_method(&me2, &method_sub).await {} },
|
|
);
|
|
|
|
let method_sub = node_ref.subscribe_method_call("focus").unwrap();
|
|
let me2 = me.clone();
|
|
let focus_task =
|
|
ex.spawn(async move { while Self::process_focus_method(&me2, &method_sub).await {} });
|
|
|
|
let method_sub = node_ref.subscribe_method_call("unfocus").unwrap();
|
|
let me2 = me.clone();
|
|
let unfocus_task =
|
|
ex.spawn(async move { while Self::process_unfocus_method(&me2, &method_sub).await {} });
|
|
|
|
let mut on_modify = OnModify::new(ex.clone(), self.node.clone(), me.clone());
|
|
on_modify.when_change(self.is_focused.prop(), Self::change_focus);
|
|
|
|
// When text has been changed.
|
|
// Cursor and selection might be invalidated.
|
|
async fn reset(self_: Arc<BaseEdit>, batch: BatchGuardPtr) {
|
|
let atom = &mut batch.spawn();
|
|
//self_.select_text.set_null(Role::Internal, 0).unwrap();
|
|
self_.scroll.store(0., Ordering::Release);
|
|
self_.eval_rect().await;
|
|
self_.redraw(atom).await;
|
|
}
|
|
async fn redraw(self_: Arc<BaseEdit>, batch: BatchGuardPtr) {
|
|
let atom = &mut batch.spawn();
|
|
self_.eval_rect().await;
|
|
self_.redraw(atom).await;
|
|
}
|
|
async fn set_text(self_: Arc<BaseEdit>, batch: BatchGuardPtr) {
|
|
self_.lock_editor().await.on_text_prop_changed().await;
|
|
let atom = &mut batch.spawn();
|
|
self_.eval_rect().await;
|
|
self_.redraw(atom).await;
|
|
}
|
|
|
|
on_modify.when_change(self.rect.prop(), redraw);
|
|
on_modify.when_change(self.baseline.prop(), redraw);
|
|
on_modify.when_change(self.lineheight.prop(), redraw);
|
|
on_modify.when_change(self.select_ascent.prop(), redraw);
|
|
on_modify.when_change(self.select_descent.prop(), redraw);
|
|
on_modify.when_change(self.handle_descent.prop(), redraw);
|
|
on_modify.when_change(self.padding.clone(), redraw);
|
|
on_modify.when_change(self.text.prop(), set_text);
|
|
// The commented properties are modified on input events
|
|
// So then redraw() will get repeatedly triggered when these properties
|
|
// are changed. We should find a solution. For now the hooks are disabled.
|
|
//on_modify.when_change(scroll.prop(), redraw);
|
|
//on_modify.when_change(cursor_pos.prop(), redraw);
|
|
on_modify.when_change(self.font_size.prop(), redraw);
|
|
on_modify.when_change(self.text.prop(), reset);
|
|
on_modify.when_change(self.text_color.prop(), redraw);
|
|
on_modify.when_change(self.hi_bg_color.prop(), redraw);
|
|
//on_modify.when_change(selected.clone(), redraw);
|
|
on_modify.when_change(self.z_index.prop(), redraw);
|
|
on_modify.when_change(self.debug.prop(), redraw);
|
|
|
|
async fn regen_cursor(self_: Arc<BaseEdit>, _batch: BatchGuardPtr) {
|
|
// Free the cache
|
|
*self_.cursor_mesh.lock() = None;
|
|
}
|
|
on_modify.when_change(self.cursor_color.prop(), regen_cursor);
|
|
on_modify.when_change(self.cursor_ascent.prop(), regen_cursor);
|
|
on_modify.when_change(self.cursor_descent.prop(), regen_cursor);
|
|
on_modify.when_change(self.cursor_width.prop(), regen_cursor);
|
|
|
|
let me2 = me.clone();
|
|
let cursor_blink_time = self.cursor_blink_time.clone();
|
|
let cursor_idle_time = self.cursor_idle_time.clone();
|
|
let blinking_cursor_task = ex.spawn(async move {
|
|
loop {
|
|
msleep(cursor_blink_time.get() as u64).await;
|
|
|
|
let self_ = me2.upgrade().unwrap();
|
|
|
|
if self_.blink_is_paused.swap(false, Ordering::Relaxed) {
|
|
msleep(cursor_idle_time.get() as u64).await;
|
|
continue
|
|
}
|
|
|
|
if !self_.rect.has_cached() {
|
|
continue
|
|
}
|
|
|
|
// Invert the bool
|
|
self_.cursor_is_visible.fetch_not(Ordering::Relaxed);
|
|
let atom = &mut self_.render_api.make_guard(gfxtag!("BaseEdit::start"));
|
|
self_.redraw_cursor(atom.batch_id).await;
|
|
}
|
|
});
|
|
|
|
let (sel_sender, sel_recvr) = async_channel::unbounded();
|
|
*self.sel_sender.lock() = Some(sel_sender);
|
|
let me2 = me.clone();
|
|
// We don't get continuous mouse move events. Instead this task is used to smoothly
|
|
// scroll when selecting text.
|
|
let sel_task = ex.spawn(async move {
|
|
let mut scroll_stat = None;
|
|
// Too much code duplication here but I didn't find a solution that looks any cleaner.
|
|
loop {
|
|
if scroll_stat.is_some() {
|
|
futures::select! {
|
|
rcv = sel_recvr.recv().fuse() => {
|
|
scroll_stat = rcv.unwrap();
|
|
|
|
if let Some((mouse_pos, side)) = scroll_stat {
|
|
let self_ = me2.upgrade().unwrap();
|
|
//t!("select task interrupt: {mouse_pos:?} (side={side:?})");
|
|
self_.handle_select(mouse_pos, side).await;
|
|
};
|
|
}
|
|
_ = msleep(SELECT_TASK_UPDATE_TIME).fuse() => {
|
|
if let Some((mouse_pos, side)) = scroll_stat {
|
|
let self_ = me2.upgrade().unwrap();
|
|
//t!("select task update: {mouse_pos:?} (side={side:?})");
|
|
self_.handle_select(mouse_pos, side).await;
|
|
};
|
|
}
|
|
}
|
|
} else {
|
|
scroll_stat = sel_recvr.recv().await.unwrap();
|
|
|
|
if let Some((mouse_pos, side)) = scroll_stat {
|
|
let self_ = me2.upgrade().unwrap();
|
|
//t!("select task wake up: {mouse_pos:?} (side={side:?})");
|
|
self_.handle_select(mouse_pos, side).await;
|
|
};
|
|
}
|
|
}
|
|
});
|
|
|
|
let mut tasks =
|
|
vec![insert_text_task, focus_task, unfocus_task, blinking_cursor_task, sel_task];
|
|
tasks.append(&mut on_modify.tasks);
|
|
|
|
#[cfg(target_os = "android")]
|
|
{
|
|
let recvr = self.lock_editor().await.recvr.clone();
|
|
let me2 = me.clone();
|
|
let autosuggest_task = ex.spawn(async move {
|
|
loop {
|
|
let Ok(ev) = recvr.recv().await else {
|
|
t!("Event relayer closed");
|
|
break
|
|
};
|
|
|
|
let Some(self_) = me2.upgrade() else {
|
|
// Should not happen
|
|
panic!("self destroyed before autosuggest_task was stopped!");
|
|
};
|
|
|
|
self_.handle_android_event(ev).await;
|
|
}
|
|
});
|
|
tasks.push(autosuggest_task);
|
|
}
|
|
|
|
*self.tasks.lock() = tasks;
|
|
}
|
|
|
|
fn stop(&self) {
|
|
self.tasks.lock().clear();
|
|
*self.parent_rect.lock() = None;
|
|
self.key_repeat.lock().clear();
|
|
*self.cursor_mesh.lock() = None;
|
|
*self.editor.lock_blocking() = None;
|
|
}
|
|
|
|
#[instrument(target = "ui::edit")]
|
|
async fn draw(
|
|
&self,
|
|
parent_rect: Rectangle,
|
|
_atom: &mut PropertyAtomicGuard,
|
|
) -> Option<DrawUpdate> {
|
|
*self.parent_rect.lock() = Some(parent_rect);
|
|
self.eval_rect().await;
|
|
Some(self.make_draw_calls().await)
|
|
}
|
|
|
|
async fn handle_char(&self, key: char, mods: KeyMods, repeat: bool) -> bool {
|
|
t!("handle_char({key}, {mods:?}, {repeat})");
|
|
// First filter for only single digit keys
|
|
if DISALLOWED_CHARS.contains(&key) {
|
|
return false
|
|
}
|
|
|
|
if !self.is_focused.get() {
|
|
return false
|
|
}
|
|
|
|
// Must be updated before checking the mods. You can press ctrl+a, then release ctrl
|
|
// before a is released. Then the repeater never gets reset, and uses any old value
|
|
// it has from before for a.
|
|
let actions = {
|
|
let mut repeater = self.key_repeat.lock();
|
|
repeater.key_down(PressedKey::Char(key), repeat)
|
|
};
|
|
|
|
let atom = &mut self.render_api.make_guard(gfxtag!("BaseEdit::handle_char"));
|
|
|
|
if mods.ctrl || mods.alt || mods.logo {
|
|
if repeat {
|
|
return false
|
|
}
|
|
return self.handle_shortcut(key, &mods, atom).await
|
|
}
|
|
|
|
// Do nothing
|
|
if actions == 0 {
|
|
return true
|
|
}
|
|
|
|
t!("Key {:?} has {} actions", key, actions);
|
|
let key_str = key.to_string().repeat(actions as usize);
|
|
self.insert(&key_str, atom).await;
|
|
self.eval_rect().await;
|
|
self.behave.apply_cursor_scroll().await;
|
|
self.redraw(atom).await;
|
|
true
|
|
}
|
|
|
|
async fn handle_key_down(&self, key: KeyCode, mods: KeyMods, repeat: bool) -> bool {
|
|
t!("handle_key_down({key:?}, {mods:?}, {repeat})");
|
|
// First filter for only single digit keys
|
|
// Avoid processing events handled by handle_char()
|
|
if !ALLOWED_KEYCODES.contains(&key) {
|
|
return false
|
|
}
|
|
|
|
if !self.is_focused.get() {
|
|
return false
|
|
}
|
|
|
|
let actions = {
|
|
let mut repeater = self.key_repeat.lock();
|
|
repeater.key_down(PressedKey::Key(key), repeat)
|
|
};
|
|
|
|
// Suppress noisy message
|
|
if actions > 0 {
|
|
t!("Key {:?} has {} actions", key, actions);
|
|
}
|
|
|
|
let atom = &mut self.render_api.make_guard(gfxtag!("BaseEdit::handle_key_down"));
|
|
|
|
let mut is_handled = false;
|
|
for _ in 0..actions {
|
|
if self.handle_key(&key, &mods, atom).await {
|
|
is_handled = true;
|
|
}
|
|
}
|
|
is_handled
|
|
}
|
|
|
|
async fn handle_mouse_btn_down(&self, btn: MouseButton, mut mouse_pos: Point) -> bool {
|
|
if !self.is_active.get() {
|
|
return false
|
|
}
|
|
|
|
let rect = self.rect.get();
|
|
|
|
if btn != MouseButton::Left {
|
|
if btn == MouseButton::Right && rect.contains(mouse_pos) {
|
|
if self.text.get().is_empty() {
|
|
self.node().trigger("paste_request", vec![]).await.unwrap();
|
|
}
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
if !rect.contains(mouse_pos) {
|
|
return false
|
|
}
|
|
|
|
let atom = &mut self.render_api.make_guard(gfxtag!("BaseEdit::handle_mouse_btn_down"));
|
|
|
|
// clicking inside box will:
|
|
// 1. make it active
|
|
// 2. begin selection
|
|
if self.is_focused.get() {
|
|
d!("BaseEdit clicked");
|
|
} else {
|
|
d!("BaseEdit focused");
|
|
self.is_focused.set(atom, true);
|
|
}
|
|
|
|
// Move mouse pos within this widget
|
|
self.abs_to_local(&mut mouse_pos);
|
|
|
|
{
|
|
let mut txt_ctx = text2::TEXT_CTX.get().await;
|
|
let mut editor = self.lock_editor().await;
|
|
let mut drv = editor.driver(&mut txt_ctx).unwrap();
|
|
drv.move_to_point(mouse_pos.x, mouse_pos.y);
|
|
}
|
|
|
|
if !self.select_text.is_null(0).unwrap() {
|
|
self.select_text.clone().set_null(atom, Role::Internal, 0).unwrap();
|
|
}
|
|
|
|
self.mouse_btn_held.store(true, Ordering::Relaxed);
|
|
|
|
self.pause_blinking();
|
|
self.eval_rect().await;
|
|
self.redraw(atom).await;
|
|
true
|
|
}
|
|
|
|
async fn handle_mouse_btn_up(&self, _btn: MouseButton, _mouse_pos: Point) -> bool {
|
|
if !self.is_active.get() {
|
|
return false
|
|
}
|
|
|
|
// Stop any selection scrolling
|
|
let scroll_sender = self.sel_sender.lock().clone().unwrap();
|
|
scroll_sender.send(None).await.unwrap();
|
|
|
|
// releasing mouse button will end selection
|
|
self.mouse_btn_held.store(false, Ordering::Relaxed);
|
|
false
|
|
}
|
|
|
|
async fn handle_mouse_move(&self, mouse_pos: Point) -> bool {
|
|
if !self.is_active.get() {
|
|
return false
|
|
}
|
|
|
|
let rect = self.rect.get();
|
|
let is_mouse_hover = rect.contains(mouse_pos);
|
|
self.is_mouse_hover.store(is_mouse_hover, Ordering::Relaxed);
|
|
|
|
if !self.mouse_btn_held.load(Ordering::Relaxed) {
|
|
return false
|
|
}
|
|
|
|
let sel_sender = self.sel_sender.lock().clone().unwrap();
|
|
// Mouse is outside rect?
|
|
// If so we gotta scroll it while selecting.
|
|
if !is_mouse_hover {
|
|
// This process will begin selecting text and applying scroll too.
|
|
sel_sender.send(Some((mouse_pos, None))).await.unwrap();
|
|
} else {
|
|
// Stop any existing select/scroll process
|
|
sel_sender.send(None).await.unwrap();
|
|
// Mouse is inside so just select the text once and be done.
|
|
self.handle_select(mouse_pos, None).await;
|
|
}
|
|
|
|
true
|
|
}
|
|
|
|
async fn handle_mouse_wheel(&self, wheel_pos: Point) -> bool {
|
|
if !self.is_mouse_hover.load(Ordering::Relaxed) {
|
|
return false
|
|
}
|
|
|
|
let atom = &mut self.render_api.make_guard(gfxtag!("BaseEdit::handle_mouse_wheel"));
|
|
|
|
let mut scroll =
|
|
self.scroll.load(Ordering::Relaxed) - wheel_pos.y * self.scroll_speed.get();
|
|
scroll = scroll.clamp(0., self.behave.max_scroll().await);
|
|
t!("handle_mouse_wheel({wheel_pos:?}) [scroll={scroll}]");
|
|
self.scroll.store(scroll, Ordering::Release);
|
|
self.redraw_scroll(atom.batch_id).await;
|
|
|
|
true
|
|
}
|
|
|
|
async fn handle_touch(&self, phase: TouchPhase, id: u64, touch_pos: Point) -> bool {
|
|
if !self.is_active.get() {
|
|
return false
|
|
}
|
|
|
|
// Ignore multi-touch
|
|
if id != 0 {
|
|
return false
|
|
}
|
|
|
|
let atom = &mut self.render_api.make_guard(gfxtag!("BaseEdit::handle_touch"));
|
|
|
|
match phase {
|
|
TouchPhase::Started => self.handle_touch_start(touch_pos).await,
|
|
TouchPhase::Moved => self.handle_touch_move(touch_pos).await,
|
|
TouchPhase::Ended => self.handle_touch_end(atom, touch_pos).await,
|
|
TouchPhase::Cancelled => false,
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO: impl Drop
|
|
|
|
impl std::fmt::Debug for BaseEdit {
|
|
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
|
|
write!(f, "{:?}", self.node.upgrade().unwrap())
|
|
}
|
|
}
|