wallet: fork editbox into chatedit for multiline editing

bin/darkwallet/src/scene.rs

@@ -471,6 +471,7 @@ pub enum Pimpl {
     VectorArt(ui::VectorArtPtr),
     Text(ui::TextPtr),
     EditBox(ui::EditBoxPtr),
+    ChatEdit(ui::ChatEditPtr),
     ChatView(ui::ChatViewPtr),
     Image(ui::ImagePtr),
     Button(ui::ButtonPtr),

bin/darkwallet/src/ui/chatedit.rs

@@ -0,0 +1,1559 @@
+/* This file is part of DarkFi (https://dark.fi)
+ *
+ * Copyright (C) 2020-2024 Dyne.org foundation
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+use async_lock::Mutex as AsyncMutex;
+use async_trait::async_trait;
+use atomic_float::AtomicF32;
+use darkfi::system::msleep;
+use miniquad::{window, KeyCode, KeyMods, MouseButton, TouchPhase};
+use rand::{rngs::OsRng, Rng};
+use std::{
+    collections::HashMap,
+    sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc, Mutex as SyncMutex, OnceLock, Weak,
+    },
+    time::Instant,
+};
+
+use crate::{
+    error::Result,
+    gfx::{
+        GfxDrawCall, GfxDrawInstruction, GfxDrawMesh, GfxTextureId, GraphicsEventPublisherPtr,
+        Point, Rectangle, RenderApi, Vertex,
+    },
+    mesh::{MeshBuilder, MeshInfo, COLOR_BLUE, COLOR_WHITE},
+    prop::{
+        PropertyBool, PropertyColor, PropertyFloat32, PropertyPtr, PropertyRect, PropertyStr,
+        PropertyUint32, Role,
+    },
+    pubsub::Subscription,
+    scene::{Pimpl, SceneNodePtr, SceneNodeWeak},
+    text::{self, Glyph, GlyphPositionIter, TextShaperPtr},
+    util::{enumerate_ref, is_whitespace, zip3},
+    ExecutorPtr,
+};
+
+use super::{
+    editbox::{
+        editable::{Editable, Selection, TextIdx, TextPos},
+        eol_nudge,
+        repeat::{PressedKey, PressedKeysSmoothRepeat},
+        ALLOWED_KEYCODES, DISALLOWED_CHARS,
+    },
+    DrawUpdate, OnModify, UIObject,
+};
+
+#[derive(Clone)]
+struct TouchStartInfo {
+    pos: Point,
+    instant: std::time::Instant,
+}
+
+impl TouchStartInfo {
+    fn new(pos: Point) -> Self {
+        Self { pos, instant: std::time::Instant::now() }
+    }
+}
+
+#[derive(Clone)]
+enum TouchStateAction {
+    Inactive,
+    Started { pos: Point, instant: std::time::Instant },
+    StartSelect,
+    Select,
+    DragSelectHandle { side: isize },
+    ScrollHoriz { start_pos: Point, scroll_start: f32 },
+}
+
+struct TouchInfo {
+    state: TouchStateAction,
+    start: Option<TouchStartInfo>,
+
+    scroll: PropertyFloat32,
+}
+
+impl TouchInfo {
+    fn new(scroll: PropertyFloat32) -> Self {
+        Self { state: TouchStateAction::Inactive, start: None, scroll }
+    }
+
+    fn start(&mut self, pos: Point) {
+        debug!(target: "ui::chatedit", "TouchStateAction::Started");
+        self.state = TouchStateAction::Started { pos, instant: std::time::Instant::now() };
+    }
+
+    fn stop(&mut self) -> TouchStateAction {
+        std::mem::replace(&mut self.state, TouchStateAction::Inactive)
+    }
+
+    fn update(&mut self, pos: &Point) {
+        match &self.state {
+            TouchStateAction::Started { pos: start_pos, instant } => {
+                let travel_dist = pos.dist_sq(&start_pos);
+                let x_dist = pos.x - start_pos.x;
+                let elapsed = instant.elapsed().as_millis();
+
+                if travel_dist < 5. {
+                    if elapsed > 1000 {
+                        debug!(target: "ui::chatedit", "TouchStateAction::StartSelect");
+                        self.state = TouchStateAction::StartSelect;
+                    }
+                } else if x_dist.abs() > 5. {
+                    debug!(target: "ui::chatedit", "TouchStateAction::ScrollHoriz");
+                    let scroll_start = self.scroll.get();
+                    self.state =
+                        TouchStateAction::ScrollHoriz { start_pos: *start_pos, scroll_start };
+                }
+            }
+            _ => {}
+        }
+    }
+}
+
+pub type ChatEditPtr = Arc<ChatEdit>;
+
+pub struct ChatEdit {
+    node: SceneNodeWeak,
+    tasks: OnceLock<Vec<smol::Task<()>>>,
+    render_api: RenderApi,
+    text_shaper: TextShaperPtr,
+    key_repeat: SyncMutex<PressedKeysSmoothRepeat>,
+
+    glyphs: SyncMutex<Vec<Glyph>>,
+    /// DC key for the text
+    text_dc_key: u64,
+    cursor_mesh: SyncMutex<Option<GfxDrawMesh>>,
+    /// DC key for the cursor. Allows updating cursor independently.
+    cursor_dc_key: u64,
+
+    is_active: PropertyBool,
+    is_focused: PropertyBool,
+    rect: PropertyRect,
+    baseline: PropertyFloat32,
+    scroll: PropertyFloat32,
+    scroll_speed: PropertyFloat32,
+    cursor_pos: PropertyUint32,
+    font_size: PropertyFloat32,
+    text: PropertyStr,
+    text_color: PropertyColor,
+    text_hi_color: PropertyColor,
+    cursor_color: PropertyColor,
+    cursor_width: PropertyFloat32,
+    cursor_ascent: PropertyFloat32,
+    cursor_descent: PropertyFloat32,
+    cursor_blink_time: PropertyUint32,
+    cursor_idle_time: PropertyUint32,
+    hi_bg_color: PropertyColor,
+    select_ascent: PropertyFloat32,
+    select_descent: PropertyFloat32,
+    selected: PropertyPtr,
+    z_index: PropertyUint32,
+    debug: PropertyBool,
+
+    editable: SyncMutex<Editable>,
+    select: SyncMutex<Vec<Selection>>,
+
+    mouse_btn_held: AtomicBool,
+    cursor_is_visible: AtomicBool,
+    blink_is_paused: AtomicBool,
+    /// Used to explicitly hide the cursor. Must be manually re-enabled.
+    hide_cursor: AtomicBool,
+
+    touch_info: SyncMutex<TouchInfo>,
+    is_phone_select: AtomicBool,
+
+    old_window_scale: AtomicF32,
+    window_scale: PropertyFloat32,
+    parent_rect: SyncMutex<Option<Rectangle>>,
+    is_mouse_hover: AtomicBool,
+}
+
+impl ChatEdit {
+    pub async fn new(
+        node: SceneNodeWeak,
+        window_scale: PropertyFloat32,
+        render_api: RenderApi,
+        text_shaper: TextShaperPtr,
+        ex: ExecutorPtr,
+    ) -> Pimpl {
+        debug!(target: "ui::chatedit", "EditBox::new()");
+
+        let node_ref = &node.upgrade().unwrap();
+        let is_active = PropertyBool::wrap(node_ref, Role::Internal, "is_active", 0).unwrap();
+        let is_focused = PropertyBool::wrap(node_ref, Role::Internal, "is_focused", 0).unwrap();
+        let rect = PropertyRect::wrap(node_ref, Role::Internal, "rect").unwrap();
+        let baseline = PropertyFloat32::wrap(node_ref, Role::Internal, "baseline", 0).unwrap();
+        let scroll = PropertyFloat32::wrap(node_ref, Role::Internal, "scroll", 0).unwrap();
+        let scroll_speed =
+            PropertyFloat32::wrap(node_ref, Role::Internal, "scroll_speed", 0).unwrap();
+        let cursor_pos = PropertyUint32::wrap(node_ref, Role::Internal, "cursor_pos", 0).unwrap();
+        let font_size = PropertyFloat32::wrap(node_ref, Role::Internal, "font_size", 0).unwrap();
+        let text = PropertyStr::wrap(node_ref, Role::Internal, "text", 0).unwrap();
+        let text_color = PropertyColor::wrap(node_ref, Role::Internal, "text_color").unwrap();
+        let text_hi_color = PropertyColor::wrap(node_ref, Role::Internal, "text_hi_color").unwrap();
+        let cursor_color = PropertyColor::wrap(node_ref, Role::Internal, "cursor_color").unwrap();
+        let cursor_width =
+            PropertyFloat32::wrap(node_ref, Role::Internal, "cursor_width", 0).unwrap();
+        let cursor_ascent =
+            PropertyFloat32::wrap(node_ref, Role::Internal, "cursor_ascent", 0).unwrap();
+        let cursor_descent =
+            PropertyFloat32::wrap(node_ref, Role::Internal, "cursor_descent", 0).unwrap();
+        let hi_bg_color = PropertyColor::wrap(node_ref, Role::Internal, "hi_bg_color").unwrap();
+        let select_ascent =
+            PropertyFloat32::wrap(node_ref, Role::Internal, "select_ascent", 0).unwrap();
+        let select_descent =
+            PropertyFloat32::wrap(node_ref, Role::Internal, "select_descent", 0).unwrap();
+        let selected = node_ref.get_property("selected").unwrap();
+        let cursor_blink_time =
+            PropertyUint32::wrap(node_ref, Role::Internal, "cursor_blink_time", 0).unwrap();
+        let cursor_idle_time =
+            PropertyUint32::wrap(node_ref, Role::Internal, "cursor_idle_time", 0).unwrap();
+        let z_index = PropertyUint32::wrap(node_ref, Role::Internal, "z_index", 0).unwrap();
+        let debug = PropertyBool::wrap(node_ref, Role::Internal, "debug", 0).unwrap();
+
+        let node_name = node_ref.name.clone();
+        let node_id = node_ref.id;
+
+        // Must do this whenever the text changes
+        let glyphs = text_shaper.shape(text.get(), font_size.get(), window_scale.get());
+
+        let self_ = Arc::new(Self {
+            node,
+            tasks: OnceLock::new(),
+            render_api,
+            text_shaper: text_shaper.clone(),
+            key_repeat: SyncMutex::new(PressedKeysSmoothRepeat::new(400, 50)),
+
+            glyphs: SyncMutex::new(glyphs),
+            text_dc_key: OsRng.gen(),
+            cursor_mesh: SyncMutex::new(None),
+            cursor_dc_key: OsRng.gen(),
+
+            is_active,
+            is_focused,
+            rect,
+            baseline: baseline.clone(),
+            scroll: scroll.clone(),
+            scroll_speed,
+            cursor_pos,
+            font_size: font_size.clone(),
+            text,
+            text_color,
+            text_hi_color,
+            cursor_color,
+            cursor_width,
+            cursor_ascent,
+            cursor_descent,
+            cursor_blink_time,
+            cursor_idle_time,
+            hi_bg_color,
+            select_ascent,
+            select_descent,
+            selected,
+            z_index,
+            debug,
+
+            editable: SyncMutex::new(Editable::new(
+                text_shaper,
+                font_size,
+                window_scale.clone(),
+                baseline,
+            )),
+            select: SyncMutex::new(vec![]),
+
+            mouse_btn_held: AtomicBool::new(false),
+            cursor_is_visible: AtomicBool::new(true),
+            blink_is_paused: AtomicBool::new(false),
+            hide_cursor: AtomicBool::new(false),
+
+            touch_info: SyncMutex::new(TouchInfo::new(scroll)),
+            is_phone_select: AtomicBool::new(false),
+
+            old_window_scale: AtomicF32::new(window_scale.get()),
+            window_scale,
+            parent_rect: SyncMutex::new(None),
+            is_mouse_hover: AtomicBool::new(false),
+        });
+
+        Pimpl::ChatEdit(self_)
+    }
+
+    fn node(&self) -> SceneNodePtr {
+        self.node.upgrade().unwrap()
+    }
+
+    /// Called whenever the text or any text property changes.
+    fn regen_text_mesh(&self, mut clip: Rectangle) -> GfxDrawMesh {
+        clip.x = 0.;
+        clip.y = 0.;
+
+        let is_focused = self.is_focused.get();
+        let text = self.text.get();
+        let font_size = self.font_size.get();
+        let window_scale = self.window_scale.get();
+        let text_color = self.text_color.get();
+        let text_hi_color = self.text_hi_color.get();
+        let baseline = self.baseline.get();
+        let scroll = self.scroll.get();
+        let cursor_pos = self.cursor_pos.get() as usize;
+        let cursor_color = self.cursor_color.get();
+        let debug = self.debug.get();
+        //debug!(target: "ui::chatedit", "Rendering text '{text}' clip={clip:?}");
+        //debug!(target: "ui::chatedit", "    cursor_pos={cursor_pos}, is_focused={is_focused}");
+
+        let rendered = self.editable.lock().unwrap().render();
+        let atlas = text::make_texture_atlas(&self.render_api, &rendered.glyphs);
+
+        let mut mesh = MeshBuilder::with_clip(clip.clone());
+
+        let selections = self.select.lock().unwrap().clone();
+        // Just an assert
+        if self.is_phone_select.load(Ordering::Relaxed) {
+            assert!(selections.len() <= 1);
+        }
+        for select in &selections {
+            self.draw_selected(&mut mesh, select, &rendered.glyphs, clip.h);
+        }
+        let select_marks = self.mark_selected_glyphs(&rendered.glyphs, selections);
+
+        if rendered.has_underline() {
+            self.draw_underline(
+                &mut mesh,
+                &rendered.glyphs,
+                clip.h,
+                rendered.under_start,
+                rendered.under_end,
+            );
+        }
+
+        let glyph_pos_iter =
+            GlyphPositionIter::new(font_size, window_scale, &rendered.glyphs, baseline);
+
+        for (glyph_idx, mut glyph_rect, glyph, is_selected) in
+            zip3(glyph_pos_iter, rendered.glyphs.iter(), select_marks.iter())
+        {
+            let uv_rect = atlas.fetch_uv(glyph.glyph_id).expect("missing glyph UV rect");
+
+            glyph_rect.x -= scroll;
+
+            //mesh.draw_outline(&glyph_rect, COLOR_BLUE, 2.);
+            let mut color = text_color.clone();
+            if *is_selected {
+                color = text_hi_color.clone();
+            }
+            if glyph.sprite.has_color {
+                color = COLOR_WHITE;
+            }
+            mesh.draw_box(&glyph_rect, color, uv_rect);
+        }
+
+        if debug {
+            mesh.draw_outline(&clip, COLOR_BLUE, 1.);
+        }
+
+        mesh.alloc(&self.render_api).draw_with_texture(atlas.texture)
+    }
+
+    fn regen_cursor_mesh(&self) -> GfxDrawMesh {
+        let cursor_width = self.cursor_width.get();
+        let cursor_ascent = self.cursor_ascent.get();
+        let cursor_descent = self.cursor_descent.get();
+        let baseline = self.baseline.get();
+
+        let cursor_rect = Rectangle {
+            x: 0.,
+            y: baseline - cursor_ascent,
+            w: cursor_width,
+            h: cursor_ascent + cursor_descent,
+        };
+        let cursor_color = self.cursor_color.get();
+
+        let mut mesh = MeshBuilder::new();
+        mesh.draw_filled_box(&cursor_rect, cursor_color);
+        mesh.alloc(&self.render_api).draw_untextured()
+    }
+
+    fn cursor_px_offset(&self) -> f32 {
+        assert!(self.is_focused.get());
+
+        let (cursor_pos, glyphs) = {
+            let editable = self.editable.lock().unwrap();
+            let rendered = editable.render();
+            let cursor_pos = editable.get_cursor_pos(&rendered);
+            (cursor_pos, rendered.glyphs)
+        };
+
+        let font_size = self.font_size.get();
+        let window_scale = self.window_scale.get();
+        let baseline = self.baseline.get();
+        let scroll = self.scroll.get();
+        // Add composer glyphs too
+        let glyph_pos_iter = GlyphPositionIter::new(font_size, window_scale, &glyphs, baseline);
+        // Used for drawing the cursor when it's at the end of the line.
+        let mut rhs = 0.;
+
+        if cursor_pos == 0 {
+            return 0.;
+        }
+
+        for (glyph_idx, (mut glyph_rect, glyph)) in glyph_pos_iter.zip(glyphs.iter()).enumerate() {
+            glyph_rect.x -= scroll;
+
+            if cursor_pos == glyph_idx {
+                return glyph_rect.x;
+            }
+
+            rhs = glyph_rect.rhs();
+        }
+
+        assert!(cursor_pos == glyphs.len());
+
+        rhs += eol_nudge(font_size, &glyphs);
+        rhs
+    }
+
+    fn mark_selected_glyphs(&self, glyphs: &Vec<Glyph>, selections: Vec<Selection>) -> Vec<bool> {
+        let mut marks: Vec<_> = glyphs.iter().map(|_| false).collect();
+        for select in selections {
+            let start = std::cmp::min(select.start, select.end);
+            let end = std::cmp::max(select.start, select.end);
+
+            for i in start..end {
+                marks[i] = true;
+            }
+        }
+        marks
+    }
+
+    fn draw_selected(
+        &self,
+        mesh: &mut MeshBuilder,
+        select: &Selection,
+        glyphs: &Vec<Glyph>,
+        clip_h: f32,
+    ) {
+        if select.start == select.end {
+            return
+        }
+        let start = std::cmp::min(select.start, select.end);
+        let end = std::cmp::max(select.start, select.end);
+
+        let font_size = self.font_size.get();
+        let window_scale = self.window_scale.get();
+        let baseline = self.baseline.get();
+        let scroll = self.scroll.get();
+        let hi_bg_color = self.hi_bg_color.get();
+        let glyph_pos_iter = GlyphPositionIter::new(font_size, window_scale, &glyphs, baseline);
+
+        let is_phone_select = self.is_phone_select.load(Ordering::Relaxed);
+
+        let mut start_x = 0.;
+        let mut end_x = 0.;
+        // When cursor lands at the end of the line
+        let mut rhs = 0.;
+
+        for (glyph_idx, mut glyph_rect) in glyph_pos_iter.enumerate() {
+            glyph_rect.x -= scroll;
+
+            if glyph_idx == start {
+                start_x = glyph_rect.x;
+            }
+            if glyph_idx == end {
+                end_x = glyph_rect.x;
+            }
+
+            rhs = glyph_rect.rhs();
+        }
+
+        if start == 0 {
+            start_x = scroll;
+        }
+
+        if end == glyphs.len() {
+            rhs += eol_nudge(font_size, &glyphs);
+            end_x = rhs;
+        }
+
+        let select_ascent = self.select_ascent.get();
+        let select_descent = self.select_descent.get();
+
+        let select_rect = Rectangle {
+            x: start_x,
+            y: baseline - select_ascent,
+            w: end_x - start_x,
+            h: select_ascent + select_descent,
+        };
+        mesh.draw_box(&select_rect, hi_bg_color, &Rectangle::zero());
+
+        if is_phone_select {
+            self.draw_phone_select_handle(mesh, start_x, -1.);
+            self.draw_phone_select_handle(mesh, end_x, 1.);
+        }
+    }
+
+    fn draw_phone_select_handle(&self, mesh: &mut MeshBuilder, x: f32, side: f32) {
+        debug!(target: "ui::chatedit", "draw_phone_select_handle(..., {x}, {side})");
+
+        let baseline = self.baseline.get();
+        let select_ascent = self.select_ascent.get();
+        let select_descent = self.select_descent.get();
+        let color = self.text_hi_color.get();
+        // Transparent for fade
+        let mut color_trans = color.clone();
+        color_trans[3] = 0.;
+
+        // Vertical line downwards. We use this instead of draw_box() so we have a fade.
+        let verts = vec![
+            Vertex {
+                pos: [x - side * 1., baseline - select_ascent],
+                color: color_trans,
+                uv: [0., 0.],
+            },
+            Vertex {
+                pos: [x + side * 4., baseline - select_ascent],
+                color: color_trans,
+                uv: [0., 0.],
+            },
+            Vertex { pos: [x - side * 1., baseline + select_descent + 5.], color, uv: [0., 0.] },
+            Vertex { pos: [x + side * 4., baseline + select_descent + 5.], color, uv: [0., 0.] },
+        ];
+        let indices = vec![0, 2, 1, 1, 2, 3];
+        mesh.append(verts, indices);
+
+        let y = baseline + select_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);
+    }
+
+    fn draw_underline(
+        &self,
+        mesh: &mut MeshBuilder,
+        glyphs: &Vec<Glyph>,
+        clip_h: f32,
+        under_start: usize,
+        under_end: usize,
+    ) {
+        assert!(under_start < under_end);
+
+        let font_size = self.font_size.get();
+        let window_scale = self.window_scale.get();
+        let baseline = self.baseline.get();
+        let scroll = self.scroll.get();
+        let text_color = self.text_color.get();
+        let glyph_pos_iter = GlyphPositionIter::new(font_size, window_scale, &glyphs, baseline);
+
+        let mut start_x = 0.;
+        let mut end_x = 0.;
+        // When cursor lands at the end of the line
+        let mut rhs = 0.;
+
+        for (glyph_idx, mut glyph_rect) in glyph_pos_iter.enumerate() {
+            glyph_rect.x -= scroll;
+
+            if glyph_idx == under_start {
+                start_x = glyph_rect.x;
+            }
+            if glyph_idx == under_end {
+                end_x = glyph_rect.x;
+            }
+
+            rhs = glyph_rect.rhs();
+        }
+
+        if under_start == 0 {
+            start_x = scroll;
+        }
+
+        if under_end == glyphs.len() {
+            end_x = rhs;
+        }
+
+        // We don't need to do manual clipping since MeshBuilder should do that
+        let underline_rect = Rectangle { x: start_x, y: baseline + 6., w: end_x - start_x, h: 4. };
+        mesh.draw_box(&underline_rect, text_color, &Rectangle::zero());
+    }
+
+    async fn change_focus(self: Arc<Self>) {
+        if !self.is_active.get() {
+            return
+        }
+        debug!(target: "ui::chatedit", "Focus changed");
+
+        // Cursor visibility will change so just redraw everything lol
+        self.redraw().await;
+    }
+
+    async fn insert_char(&self, key: char) {
+        {
+            let mut editable = self.editable.lock().unwrap();
+            let mut tmp = [0; 4];
+            let key_str = key.encode_utf8(&mut tmp);
+            editable.compose(key_str, true);
+        }
+
+        self.pause_blinking();
+        self.redraw().await;
+    }
+
+    async fn handle_shortcut(&self, key: char, mods: &KeyMods) {
+        debug!(target: "ui::chatedit", "handle_shortcut({:?}, {:?})", key, mods);
+
+        match key {
+            'c' => {
+                if mods.ctrl {
+                    self.copy_highlighted().unwrap();
+                }
+            }
+            'v' => {
+                if mods.ctrl {
+                    if let Some(text) = window::clipboard_get() {
+                        self.paste_text(text).await;
+                    }
+                }
+            }
+            _ => {}
+        }
+    }
+
+    async fn handle_key(&self, key: &KeyCode, mods: &KeyMods) {
+        debug!(target: "ui::chatedit", "handle_key({:?}, {:?})", key, mods);
+        match key {
+            KeyCode::Left => {
+                self.adjust_cursor(mods.shift, |editable| editable.move_cursor(-1));
+                self.pause_blinking();
+                //self.apply_cursor_scrolling();
+                self.redraw().await;
+            }
+            KeyCode::Right => {
+                self.adjust_cursor(mods.shift, |editable| editable.move_cursor(1));
+                self.pause_blinking();
+                //self.apply_cursor_scrolling();
+                self.redraw().await;
+            }
+            KeyCode::Kp0 => self.insert_char('0').await,
+            KeyCode::Kp1 => self.insert_char('1').await,
+            KeyCode::Kp2 => self.insert_char('2').await,
+            KeyCode::Kp3 => self.insert_char('3').await,
+            KeyCode::Kp4 => self.insert_char('4').await,
+            KeyCode::Kp5 => self.insert_char('5').await,
+            KeyCode::Kp6 => self.insert_char('6').await,
+            KeyCode::Kp7 => self.insert_char('7').await,
+            KeyCode::Kp8 => self.insert_char('8').await,
+            KeyCode::Kp9 => self.insert_char('9').await,
+            KeyCode::KpDecimal => self.insert_char('.').await,
+            KeyCode::Enter | KeyCode::KpEnter => {
+                let node = self.node.upgrade().unwrap();
+                node.trigger("enter_pressed", vec![]).await.unwrap();
+            }
+            KeyCode::Delete => {
+                self.delete(0, 1);
+                self.clamp_scroll();
+                self.pause_blinking();
+                self.redraw().await;
+            }
+            KeyCode::Backspace => {
+                self.delete(1, 0);
+                self.clamp_scroll();
+                self.pause_blinking();
+                self.redraw().await;
+            }
+            KeyCode::Home => {
+                self.adjust_cursor(mods.shift, |editable| editable.move_start());
+                self.pause_blinking();
+                //self.apply_cursor_scrolling();
+                self.redraw().await;
+            }
+            KeyCode::End => {
+                self.adjust_cursor(mods.shift, |editable| editable.move_end());
+                self.pause_blinking();
+                //self.apply_cursor_scrolling();
+                self.redraw().await;
+            }
+            _ => {}
+        }
+    }
+
+    fn delete(&self, before: usize, after: usize) {
+        let mut editable = self.editable.lock().unwrap();
+        let selection = std::mem::take(&mut *self.select.lock().unwrap());
+
+        if selection.is_empty() {
+            editable.delete(before, after);
+            return
+        }
+
+        let sel = selection.first().unwrap();
+        let cursor_pos = std::cmp::min(sel.start, sel.end);
+
+        let render = editable.render();
+        let mut before_text = String::new();
+        let mut after_text = String::new();
+        'next: for (pos, glyph) in render.glyphs.iter().enumerate() {
+            for select in &selection {
+                let start = std::cmp::min(select.start, select.end);
+                let end = std::cmp::max(select.start, select.end);
+
+                if start <= pos && pos < end {
+                    continue 'next
+                }
+            }
+            if pos <= cursor_pos {
+                before_text += &glyph.substr;
+            } else {
+                after_text += &glyph.substr;
+            }
+        }
+
+        editable.set_text(before_text, after_text);
+
+        self.is_phone_select.store(false, Ordering::Relaxed);
+        // Reshow cursor (if hidden)
+        self.hide_cursor.store(false, Ordering::Relaxed);
+    }
+
+    fn adjust_cursor(&self, has_shift: bool, move_cursor: impl Fn(&mut Editable)) {
+        let mut editable = self.editable.lock().unwrap();
+        let rendered = editable.render();
+        let prev_cursor_pos = editable.get_cursor_pos(&rendered);
+        move_cursor(&mut editable);
+        let cursor_pos = editable.get_cursor_pos(&rendered);
+        drop(editable);
+
+        let mut select = self.select.lock().unwrap();
+
+        // Start selection if shift is held
+        if has_shift {
+            // Create a new selection
+            if select.is_empty() {
+                select.push(Selection::new(prev_cursor_pos, cursor_pos));
+            }
+
+            // Update the selection
+            select.last_mut().unwrap().end = cursor_pos;
+        } else {
+            select.clear();
+        }
+    }
+
+    /// This will select the entire word rather than move the cursor to that location
+    fn start_touch_select(&self, x: f32) {
+        let rect = self.rect.get();
+
+        let font_size = self.font_size.get();
+        let window_scale = self.window_scale.get();
+        let baseline = self.baseline.get();
+
+        {
+            let mut editable = self.editable.lock().unwrap();
+            editable.end_compose();
+
+            let rendered = editable.render();
+            let x = x - rect.x + self.scroll.get();
+
+            let cpos = rendered.x_to_pos(x, font_size, window_scale, baseline);
+
+            // Find word start
+            let mut cpos_start = cpos;
+            while cpos_start > 0 {
+                // Is the glyph before this pos just whitespace?
+                let glyph_str = &rendered.glyphs[cpos_start - 1].substr;
+                if is_whitespace(glyph_str) {
+                    break
+                }
+                cpos_start -= 1;
+            }
+            // Find word end
+            let mut cpos_end = cpos;
+            while cpos_end < rendered.glyphs.len() {
+                cpos_end += 1;
+                let glyph_str = &rendered.glyphs[cpos_end].substr;
+                if is_whitespace(glyph_str) {
+                    break
+                }
+            }
+
+            let cidx_start = rendered.pos_to_idx(cpos_start);
+            let cidx_end = rendered.pos_to_idx(cpos_end);
+
+            // begin selection
+            let mut select = self.select.lock().unwrap();
+            select.clear();
+            select.push(Selection::new(cpos_start, cpos_end));
+        }
+
+        self.is_phone_select.store(true, Ordering::Relaxed);
+        // redraw() will now hide the cursor
+        self.hide_cursor.store(true, Ordering::Relaxed);
+    }
+
+    fn glyphs_to_string(glyphs: &Vec<Glyph>) -> String {
+        let mut text = String::new();
+        for (i, glyph) in glyphs.iter().enumerate() {
+            text.push_str(&glyph.substr);
+        }
+        text
+    }
+
+    fn delete_highlighted(&self) {
+        assert!(!self.selected.is_null(0).unwrap());
+        assert!(!self.selected.is_null(1).unwrap());
+
+        let start = self.selected.get_u32(0).unwrap() as usize;
+        let end = self.selected.get_u32(1).unwrap() as usize;
+
+        let sel_start = std::cmp::min(start, end);
+        let sel_end = std::cmp::max(start, end);
+
+        let mut glyphs = self.glyphs.lock().unwrap().clone();
+        glyphs.drain(sel_start..sel_end);
+
+        let text = Self::glyphs_to_string(&glyphs);
+        debug!(
+            target: "ui::chatedit",
+            "delete_highlighted() text=\"{}\", cursor_pos={}",
+            text, sel_start
+        );
+        self.text.set(text);
+
+        self.selected.set_null(Role::Internal, 0).unwrap();
+        self.selected.set_null(Role::Internal, 1).unwrap();
+        self.cursor_pos.set(sel_start as u32);
+    }
+
+    fn copy_highlighted(&self) -> Result<()> {
+        let start = self.selected.get_u32(0)? as usize;
+        let end = self.selected.get_u32(1)? as usize;
+
+        let sel_start = std::cmp::min(start, end);
+        let sel_end = std::cmp::max(start, end);
+
+        let mut text = String::new();
+
+        let glyphs = self.glyphs.lock().unwrap().clone();
+        for (glyph_idx, glyph) in glyphs.iter().enumerate() {
+            if sel_start <= glyph_idx && glyph_idx < sel_end {
+                text.push_str(&glyph.substr);
+            }
+        }
+
+        info!(target: "ui::chatedit", "Copied '{}'", text);
+        window::clipboard_set(&text);
+        Ok(())
+    }
+
+    async fn paste_text(&self, key: String) {
+        let mut text = String::new();
+
+        let cursor_pos = self.cursor_pos.get();
+
+        if cursor_pos == 0 {
+            text = key.clone();
+        }
+
+        let glyphs = self.glyphs.lock().unwrap().clone();
+        for (glyph_idx, glyph) in glyphs.iter().enumerate() {
+            text.push_str(&glyph.substr);
+            if cursor_pos == glyph_idx as u32 + 1 {
+                text.push_str(&key);
+            }
+        }
+
+        self.text.set(text);
+        // Not always true lol
+        self.cursor_pos.set(cursor_pos + 1);
+
+        self.apply_cursor_scrolling();
+        self.redraw().await;
+    }
+
+    async fn handle_touch_start(&self, pos: Point) -> bool {
+        debug!(target: "ui::chatedit", "handle_touch_start({pos:?})");
+        let mut touch_info = self.touch_info.lock().unwrap();
+
+        if self.try_handle_drag(&mut touch_info, pos) {
+            return true
+        }
+
+        let rect = self.rect.get();
+        if !rect.contains(pos) {}
+
+        touch_info.start(pos);
+        true
+    }
+    fn try_handle_drag(&self, touch_info: &mut TouchInfo, pos: Point) -> bool {
+        let selections = self.select.lock().unwrap().clone();
+
+        if self.is_phone_select.load(Ordering::Relaxed) && selections.len() == 1 {
+            let select = selections.first().unwrap();
+
+            let rendered = {
+                let editable = self.editable.lock().unwrap();
+                editable.render()
+            };
+
+            let font_size = self.font_size.get();
+            let window_scale = self.window_scale.get();
+            let baseline = self.baseline.get();
+
+            // Get left handle centerpoint
+            let x1 = rendered.pos_to_xw(select.start, font_size, window_scale, baseline).0;
+            // Get right handle centerpoint
+            let x2 = {
+                let (x, w) = rendered.pos_to_xw(select.end, font_size, window_scale, baseline);
+                x + w
+            };
+
+            // Are we within range of either one?
+            let select_descent = self.select_descent.get();
+            let scroll = self.scroll.get();
+            let y = baseline + select_descent + 25.;
+
+            let p1 = Point::new(x1 - scroll, y);
+            let p2 = Point::new(x2 - scroll, y);
+            debug!(target: "ui::chatedit", "handle center points = ({p1:?}, {p2:?})");
+
+            const TOUCH_RADIUS_SQ: f32 = 10_000.;
+            // Make pos relative to the rect
+            let pos_rel = pos - self.rect.get().pos();
+
+            if p1.dist_sq(&pos_rel) <= TOUCH_RADIUS_SQ {
+                debug!(target: "ui::chatedit", "TouchStateAction::DragSelectHandle [side=-1]");
+                // Set touch_state status to enable begin dragging them
+                touch_info.state = TouchStateAction::DragSelectHandle { side: -1 };
+                return true;
+            }
+            if p2.dist_sq(&pos_rel) <= TOUCH_RADIUS_SQ {
+                debug!(target: "ui::chatedit", "TouchStateAction::DragSelectHandle [side=1]");
+                // Set touch_state status to enable begin dragging them
+                touch_info.state = TouchStateAction::DragSelectHandle { side: 1 };
+                return true;
+            }
+        }
+
+        false
+    }
+
+    async fn handle_touch_move(&self, pos: Point) -> bool {
+        //debug!(target: "ui::chatedit", "handle_touch_move({pos:?})");
+        let touch_state = {
+            let mut touch_info = self.touch_info.lock().unwrap();
+            touch_info.update(&pos);
+            touch_info.state.clone()
+        };
+        match &touch_state {
+            TouchStateAction::Inactive => return false,
+            TouchStateAction::StartSelect => {
+                let x = pos.x;
+                self.start_touch_select(x);
+                self.redraw().await;
+                debug!(target: "ui::chatedit", "TouchStateAction::Select");
+                self.touch_info.lock().unwrap().state = TouchStateAction::Select;
+            }
+            TouchStateAction::DragSelectHandle { side } => {
+                {
+                    assert!(*side == -1 || *side == 1);
+                    assert!(self.is_phone_select.load(Ordering::Relaxed));
+                    let mut selections = self.select.lock().unwrap();
+                    assert_eq!(selections.len(), 1);
+                    let select = selections.first_mut().unwrap();
+
+                    let rendered = {
+                        let editable = self.editable.lock().unwrap();
+                        editable.render()
+                    };
+
+                    let font_size = self.font_size.get();
+                    let window_scale = self.window_scale.get();
+                    let baseline = self.baseline.get();
+
+                    let pos_x = pos.x + self.scroll.get();
+
+                    let mut pos = rendered.x_to_pos(pos_x, font_size, window_scale, baseline);
+                    if *side == -1 {
+                        let select_other_pos = &mut select.end;
+                        if pos >= *select_other_pos {
+                            pos = *select_other_pos - 1;
+                        }
+                        select.start = pos;
+                    } else {
+                        let select_other_pos = &mut select.start;
+                        if pos <= *select_other_pos {
+                            pos = *select_other_pos + 1;
+                        }
+                        select.end = pos;
+                    }
+                }
+                self.redraw().await;
+            }
+            TouchStateAction::ScrollHoriz { start_pos, scroll_start } => {
+                let x_dist = start_pos.x - pos.x;
+                let mut scroll = scroll_start + x_dist;
+                scroll = scroll.clamp(0., self.max_cursor_scroll());
+                self.scroll.set(scroll);
+                self.redraw().await;
+            }
+            _ => {}
+        }
+        true
+    }
+    async fn handle_touch_end(&self, pos: Point) -> bool {
+        debug!(target: "ui::chatedit", "handle_touch_end({pos:?})");
+        let state = self.touch_info.lock().unwrap().stop();
+        match state {
+            TouchStateAction::Inactive => return false,
+            TouchStateAction::Started { pos: _, instant: _ } => {
+                let rect = self.rect.get();
+                let font_size = self.font_size.get();
+                let window_scale = self.window_scale.get();
+                let baseline = self.baseline.get();
+
+                {
+                    let mut editable = self.editable.lock().unwrap();
+                    let rendered = editable.render();
+                    // Adjust with scroll here too
+                    let x = pos.x - rect.x;
+
+                    let cpos = rendered.x_to_pos(x, font_size, window_scale, baseline);
+                    let cidx = rendered.pos_to_idx(cpos);
+                    editable.set_cursor_idx(cidx);
+
+                    // begin selection
+                    let mut select = self.select.lock().unwrap();
+                    select.clear();
+                }
+
+                self.is_phone_select.store(false, Ordering::Relaxed);
+                // Reshow cursor (if hidden)
+                self.hide_cursor.store(false, Ordering::Relaxed);
+
+                self.redraw().await;
+            }
+            _ => {}
+        }
+        window::show_keyboard(true);
+        true
+    }
+
+    /// Whenever the cursor property is modified this MUST be called
+    /// to recalculate the scroll x property.
+    fn apply_cursor_scrolling(&self) {
+        let rect = self.rect.get();
+
+        let cursor_pos = self.cursor_pos.get() as usize;
+        let cursor_width = self.cursor_width.get();
+        let mut scroll = self.scroll.get();
+
+        let cursor_x = {
+            let font_size = self.font_size.get();
+            let window_scale = self.window_scale.get();
+            let baseline = self.baseline.get();
+            let glyphs = self.glyphs.lock().unwrap().clone();
+
+            let mut glyph_pos_iter =
+                GlyphPositionIter::new(font_size, window_scale, &glyphs, baseline);
+
+            if cursor_pos == 0 {
+                0.
+            } else if cursor_pos == glyphs.len() {
+                let glyph_pos = glyph_pos_iter.last().unwrap();
+
+                let rhs = glyph_pos.rhs() + eol_nudge(font_size, &glyphs);
+                rhs
+            } else {
+                assert!(cursor_pos < glyphs.len());
+                let glyph_pos = glyph_pos_iter.nth(cursor_pos).expect("glyph pos mismatch glyphs");
+                glyph_pos.x
+            }
+        };
+
+        // The LHS and RHS of the cursor box
+        let cursor_lhs = cursor_x - scroll;
+        let cursor_rhs = cursor_lhs + cursor_width;
+
+        // RHS is outside
+        if cursor_rhs > rect.w {
+            // We want a scroll so RHS = w
+            // cursor_x - scroll + CURSOR_WIDTH = rect.w
+            scroll = cursor_x + cursor_width - rect.w;
+        // LHS is negative
+        } else if cursor_lhs < 0. {
+            // We want scroll so LHS = 0
+            // cursor_x - scroll = 0
+            scroll = cursor_x;
+        }
+
+        self.scroll.set(scroll);
+    }
+
+    fn max_cursor_scroll(&self) -> f32 {
+        let font_size = self.font_size.get();
+        let window_scale = self.window_scale.get();
+        let baseline = self.baseline.get();
+        let rhs = {
+            let mut editable = self.editable.lock().unwrap();
+            let rendered = editable.render();
+
+            if rendered.glyphs.is_empty() {
+                return 0.
+            }
+            let glyph_pos_iter =
+                GlyphPositionIter::new(font_size, window_scale, &rendered.glyphs, baseline);
+            let last_rect = glyph_pos_iter.last().unwrap();
+            let mut rhs = last_rect.x + last_rect.w;
+            rhs += eol_nudge(font_size, &rendered.glyphs);
+            rhs
+        };
+
+        let rect_w = self.rect.get().w;
+        if rhs <= rect_w {
+            return 0.;
+        }
+        let max_scroll = rhs - rect_w;
+        max_scroll
+    }
+
+    fn clamp_scroll(&self) {
+        let mut scroll = self.scroll.get();
+        scroll = scroll.clamp(0., self.max_cursor_scroll());
+        self.scroll.set(scroll);
+    }
+
+    fn pause_blinking(&self) {
+        self.blink_is_paused.store(true, Ordering::Relaxed);
+        self.cursor_is_visible.store(true, Ordering::Relaxed);
+    }
+
+    async fn redraw(&self) {
+        debug!(target: "ui::chatedit", "redraw()");
+
+        let parent_rect = self.parent_rect.lock().unwrap().unwrap().clone();
+        self.rect.eval(&parent_rect).expect("unable to eval rect");
+
+        let Some(draw_update) = self.make_draw_calls() else {
+            error!(target: "ui::chatedit", "Text failed to draw");
+            return;
+        };
+
+        self.render_api.replace_draw_calls(draw_update.draw_calls);
+    }
+
+    fn redraw_cursor(&self) {
+        let cursor_instrs = self.get_cursor_instrs();
+
+        let draw_calls = vec![(
+            self.cursor_dc_key,
+            GfxDrawCall { instrs: cursor_instrs, dcs: vec![], z_index: self.z_index.get() },
+        )];
+
+        self.render_api.replace_draw_calls(draw_calls);
+    }
+
+    fn get_cursor_instrs(&self) -> Vec<GfxDrawInstruction> {
+        if !self.is_focused.get() ||
+            !self.cursor_is_visible.load(Ordering::Relaxed) ||
+            self.hide_cursor.load(Ordering::Relaxed)
+        {
+            return vec![]
+        }
+
+        let mut cursor_instrs = vec![];
+
+        let rect_w = self.rect.get().w;
+
+        let mut cursor_pos = Point::zero();
+        cursor_pos.x += self.cursor_px_offset();
+        if cursor_pos.x > rect_w {
+            return vec![]
+        }
+        cursor_instrs.push(GfxDrawInstruction::Move(cursor_pos));
+
+        let cursor_mesh = {
+            let mut cursor_mesh = self.cursor_mesh.lock().unwrap();
+            if cursor_mesh.is_none() {
+                *cursor_mesh = Some(self.regen_cursor_mesh());
+            }
+            cursor_mesh.clone().unwrap()
+        };
+
+        cursor_instrs.push(GfxDrawInstruction::Draw(cursor_mesh));
+
+        cursor_instrs
+    }
+
+    fn make_draw_calls(&self) -> Option<DrawUpdate> {
+        let rect = self.rect.get();
+
+        let text_mesh = self.regen_text_mesh(rect.clone());
+        let cursor_instrs = self.get_cursor_instrs();
+
+        Some(DrawUpdate {
+            key: self.text_dc_key,
+            draw_calls: vec![
+                (
+                    self.text_dc_key,
+                    GfxDrawCall {
+                        instrs: vec![
+                            GfxDrawInstruction::Move(rect.pos()),
+                            GfxDrawInstruction::Draw(text_mesh),
+                        ],
+                        dcs: vec![self.cursor_dc_key],
+                        z_index: self.z_index.get(),
+                    },
+                ),
+                (
+                    self.cursor_dc_key,
+                    GfxDrawCall { instrs: cursor_instrs, dcs: vec![], z_index: self.z_index.get() },
+                ),
+            ],
+        })
+    }
+}
+
+impl Drop for ChatEdit {
+    fn drop(&mut self) {
+        self.render_api.replace_draw_calls(vec![(self.text_dc_key, Default::default())]);
+    }
+}
+
+#[async_trait]
+impl UIObject for ChatEdit {
+    fn z_index(&self) -> u32 {
+        self.z_index.get()
+    }
+
+    async fn start(self: Arc<Self>, ex: ExecutorPtr) {
+        let me = Arc::downgrade(&self);
+
+        let node_ref = &self.node.upgrade().unwrap();
+        let node_name = node_ref.name.clone();
+        let node_id = node_ref.id;
+
+        let mut on_modify = OnModify::new(ex.clone(), node_name, node_id, 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<ChatEdit>) {
+            self_.cursor_pos.set(0);
+            self_.selected.set_null(Role::Internal, 0).unwrap();
+            self_.selected.set_null(Role::Internal, 1).unwrap();
+            self_.scroll.set(0.);
+            self_.redraw();
+        }
+        async fn redraw(self_: Arc<ChatEdit>) {
+            self_.redraw().await;
+        }
+        on_modify.when_change(self.rect.prop(), redraw);
+        on_modify.when_change(self.baseline.prop(), redraw);
+        // 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);
+        // We must also reshape text
+        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<ChatEdit>) {
+            let mesh = std::mem::take(&mut *self_.cursor_mesh.lock().unwrap());
+        }
+        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
+                }
+
+                // Invert the bool
+                self_.cursor_is_visible.fetch_not(Ordering::Relaxed);
+                self_.redraw_cursor();
+            }
+        });
+
+        let mut tasks = on_modify.tasks;
+        tasks.push(blinking_cursor_task);
+        self.tasks.set(tasks);
+    }
+
+    async fn draw(&self, parent_rect: Rectangle) -> Option<DrawUpdate> {
+        debug!(target: "ui::chatedit", "EditBox::draw()");
+        *self.parent_rect.lock().unwrap() = Some(parent_rect);
+        self.rect.eval(&parent_rect).ok()?;
+
+        self.clamp_scroll();
+        self.make_draw_calls()
+    }
+
+    async fn handle_char(&self, key: char, mods: KeyMods, repeat: bool) -> bool {
+        // First filter for only single digit keys
+        if DISALLOWED_CHARS.contains(&key) {
+            return false
+        }
+
+        if !self.is_focused.get() {
+            return false
+        }
+
+        if mods.ctrl || mods.alt {
+            if repeat {
+                return false
+            }
+            self.handle_shortcut(key, &mods).await;
+            return true
+        }
+
+        let actions = {
+            let mut repeater = self.key_repeat.lock().unwrap();
+            repeater.key_down(PressedKey::Char(key), repeat)
+        };
+        //debug!(target: "ui::chatedit", "Key {:?} has {} actions", key, actions);
+        for _ in 0..actions {
+            self.insert_char(key).await;
+        }
+        true
+    }
+
+    async fn handle_key_down(&self, key: KeyCode, mods: KeyMods, repeat: bool) -> bool {
+        // First filter for only single digit keys
+        // Avoid processing events handled by insert_char()
+        if !ALLOWED_KEYCODES.contains(&key) {
+            return false
+        }
+
+        if !self.is_focused.get() {
+            return false
+        }
+
+        let actions = {
+            let mut repeater = self.key_repeat.lock().unwrap();
+            repeater.key_down(PressedKey::Key(key), repeat)
+        };
+        // Suppress noisy message
+        /*if actions > 0 {
+            debug!(target: "ui::chatedit", "Key {:?} has {} actions", key, actions);
+        }*/
+        for _ in 0..actions {
+            self.handle_key(&key, &mods).await;
+        }
+        true
+    }
+
+    async fn handle_mouse_btn_down(&self, btn: MouseButton, mouse_pos: Point) -> bool {
+        if !self.is_active.get() {
+            return false
+        }
+
+        if btn != MouseButton::Left {
+            return false
+        }
+
+        let rect = self.rect.get();
+
+        // clicking inside box will:
+        // 1. make it active
+        // 2. begin selection
+        if !rect.contains(mouse_pos) {
+            if self.is_focused.get() {
+                debug!(target: "ui::chatedit", "EditBox unfocused");
+                self.is_focused.set(false);
+                self.select.lock().unwrap().clear();
+
+                self.redraw().await;
+            }
+            return false
+        }
+
+        if self.is_focused.get() {
+            debug!(target: "ui::chatedit", "EditBox clicked");
+        } else {
+            debug!(target: "ui::chatedit", "EditBox focused");
+            self.is_focused.set(true);
+        }
+
+        let font_size = self.font_size.get();
+        let window_scale = self.window_scale.get();
+        let baseline = self.baseline.get();
+
+        {
+            let mut editable = self.editable.lock().unwrap();
+            let rendered = editable.render();
+            let x = mouse_pos.x - rect.x + self.scroll.get();
+
+            let cpos = rendered.x_to_pos(x, font_size, window_scale, baseline);
+            let cidx = rendered.pos_to_idx(cpos);
+            editable.set_cursor_idx(cidx);
+
+            // begin selection
+            let mut select = self.select.lock().unwrap();
+            select.clear();
+            select.push(Selection::new(cpos, cpos));
+
+            self.mouse_btn_held.store(true, Ordering::Relaxed);
+        }
+
+        self.pause_blinking();
+        self.redraw().await;
+        true
+    }
+
+    async fn handle_mouse_btn_up(&self, btn: MouseButton, mouse_pos: Point) -> bool {
+        if !self.is_active.get() {
+            return false
+        }
+
+        // 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();
+        self.is_mouse_hover.store(rect.contains(mouse_pos), Ordering::Relaxed);
+
+        if !self.mouse_btn_held.load(Ordering::Relaxed) {
+            return false;
+        }
+
+        // if active and selection_active, then use x to modify the selection.
+        // also implement scrolling when cursor is to the left or right
+        // just scroll to the end
+        // also set cursor_pos too
+
+        let font_size = self.font_size.get();
+        let window_scale = self.window_scale.get();
+        let baseline = self.baseline.get();
+
+        {
+            let mut editable = self.editable.lock().unwrap();
+            let rendered = editable.render();
+            let x = mouse_pos.x - rect.x + self.scroll.get();
+
+            let cpos = rendered.x_to_pos(x, font_size, window_scale, baseline);
+            let cidx = rendered.pos_to_idx(cpos);
+            editable.set_cursor_idx(cidx);
+
+            // begin selection
+            let mut select = self.select.lock().unwrap();
+            select.last_mut().unwrap().end = cpos;
+        }
+
+        self.pause_blinking();
+        //self.apply_cursor_scrolling();
+        self.redraw().await;
+        true
+    }
+
+    async fn handle_mouse_wheel(&self, wheel_pos: Point) -> bool {
+        //debug!(target: "ui::chatedit", "rect={rect:?}, wheel_pos={wheel_pos:?}");
+        if !self.is_mouse_hover.load(Ordering::Relaxed) {
+            return false
+        }
+
+        let mut scroll = self.scroll.get() + wheel_pos.y * self.scroll_speed.get();
+        scroll = scroll.clamp(0., self.max_cursor_scroll());
+        debug!(target: "ui::chatedit", "handle_mouse_wheel({wheel_pos:?}) [scroll={scroll}]");
+        self.scroll.set(scroll);
+        self.redraw().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
+        }
+
+        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(touch_pos).await,
+            TouchPhase::Cancelled => false,
+        }
+    }
+
+    async fn handle_compose_text(&self, suggest_text: &str, is_commit: bool) -> bool {
+        debug!(target: "ui::chatedit", "handle_compose_text({suggest_text}, {is_commit})");
+
+        if !self.is_active.get() {
+            return false
+        }
+
+        {
+            let mut editable = self.editable.lock().unwrap();
+            editable.compose(suggest_text, is_commit);
+        }
+
+        //self.apply_cursor_scrolling();
+        self.clamp_scroll();
+        self.redraw().await;
+
+        true
+    }
+    async fn handle_set_compose_region(&self, start: usize, end: usize) -> bool {
+        debug!(target: "ui::chatedit", "handle_set_compose_region({start}, {end})");
+
+        if !self.is_active.get() {
+            return false
+        }
+
+        {
+            let mut editable = self.editable.lock().unwrap();
+            editable.set_compose_region(start, end);
+        }
+
+        self.redraw().await;
+
+        true
+    }
+}

bin/darkwallet/src/ui/editbox/editable.rs

@@ -25,8 +25,8 @@ use crate::{
     util::{enumerate_ref, is_whitespace},
 };
 
-pub(super) type TextPos = usize;
-pub(super) type TextIdx = usize;
+pub type TextPos = usize;
+pub type TextIdx = usize;
 
 /// Android composing text from autosuggest.
 /// We need this because IMEs can arbitrary set a composing region after
@@ -88,7 +88,7 @@ impl ComposingText {
     }
 }
 
-pub(super) struct RenderedEditable {
+pub struct RenderedEditable {
     pub glyphs: Vec<Glyph>,
     pub under_start: TextPos,
     pub under_end: TextPos,
@@ -187,7 +187,7 @@ impl RenderedEditable {
 /// to first render and move in terms of glyphs due to kerning. For example the chars "ae"
 /// may be rendered as a single glyph in some fonts. Same for emojis represented by multiple
 /// chars which are often not even a single byte.
-pub(super) struct Editable {
+pub struct Editable {
     text_shaper: TextShaperPtr,
 
     composer: ComposingText,
@@ -370,7 +370,7 @@ fn glyphs_to_string(glyphs: &Vec<Glyph>) -> String {
 }
 
 #[derive(Debug, Clone)]
-pub(super) struct Selection {
+pub struct Selection {
     pub start: TextPos,
     pub end: TextPos,
 }

bin/darkwallet/src/ui/editbox/mod.rs

@@ -51,15 +51,18 @@ use crate::{
 
 use super::{DrawUpdate, OnModify, UIObject};
 
-mod editable;
+pub mod editable;
 use editable::{Editable, Selection, TextIdx, TextPos};
 
+pub mod repeat;
+use repeat::{PressedKey, PressedKeysSmoothRepeat};
+
 // EOL whitespace is given a nudge since it has a width of 0 after text shaping
 const CURSOR_EOL_WS_NUDGE: f32 = 0.8;
 // EOL chars are more aesthetic when given a smallish nudge
 const CURSOR_EOL_NUDGE: f32 = 0.2;
 
-fn eol_nudge(font_size: f32, glyphs: &Vec<Glyph>) -> f32 {
+pub fn eol_nudge(font_size: f32, glyphs: &Vec<Glyph>) -> f32 {
     if is_whitespace(&glyphs.last().unwrap().substr) {
         (font_size * CURSOR_EOL_WS_NUDGE).round()
     } else {
@@ -67,82 +70,6 @@ fn eol_nudge(font_size: f32, glyphs: &Vec<Glyph>) -> f32 {
     }
 }
 
-#[derive(Debug, Clone, Eq, Hash, PartialEq)]
-enum PressedKey {
-    Char(char),
-    Key(KeyCode),
-}
-
-/// On key press (repeat=false), we immediately process the event.
-/// Then there's a delay (repeat=true) and then for every step time
-/// while key press events are being sent, we allow an event.
-/// This ensures smooth typing in the editbox.
-struct PressedKeysSmoothRepeat {
-    /// When holding keys, we track from start and last sent time.
-    /// This is useful for initial delay and smooth scrolling.
-    pressed_keys: HashMap<PressedKey, RepeatingKeyTimer>,
-    /// Initial delay before allowing keys
-    start_delay: u32,
-    /// Minimum time between repeated keys
-    step_time: u32,
-}
-
-impl PressedKeysSmoothRepeat {
-    fn new(start_delay: u32, step_time: u32) -> Self {
-        Self { pressed_keys: HashMap::new(), start_delay, step_time }
-    }
-
-    fn key_down(&mut self, key: PressedKey, repeat: bool) -> u32 {
-        //debug!(target: "PressedKeysSmoothRepeat", "key_down({:?}, {})", key, repeat);
-
-        if !repeat {
-            self.pressed_keys.remove(&key);
-            return 1;
-        }
-
-        // Insert key if not exists
-        if !self.pressed_keys.contains_key(&key) {
-            //debug!(target: "PressedKeysSmoothRepeat", "insert key {:?}", key);
-            self.pressed_keys.insert(key.clone(), RepeatingKeyTimer::new());
-        }
-
-        let repeater = self.pressed_keys.get_mut(&key).expect("repeat map");
-        repeater.update(self.start_delay, self.step_time)
-    }
-
-    /*
-    fn key_up(&mut self, key: &PressedKey) {
-        //debug!(target: "PressedKeysSmoothRepeat", "key_up({:?})", key);
-        assert!(self.pressed_keys.contains_key(key));
-        self.pressed_keys.remove(key).expect("key was pressed");
-    }
-    */
-}
-
-struct RepeatingKeyTimer {
-    start: Instant,
-    actions: u32,
-}
-
-impl RepeatingKeyTimer {
-    fn new() -> Self {
-        Self { start: Instant::now(), actions: 0 }
-    }
-
-    fn update(&mut self, start_delay: u32, step_time: u32) -> u32 {
-        let elapsed = self.start.elapsed().as_millis();
-        //debug!(target: "RepeatingKeyTimer", "update() elapsed={}, actions={}",
-        //       elapsed, self.actions);
-        if elapsed < start_delay as u128 {
-            return 0
-        }
-        let total_actions = ((elapsed - start_delay as u128) / step_time as u128) as u32;
-        let remaining_actions = total_actions - self.actions;
-        self.actions = total_actions;
-        remaining_actions
-    }
-}
-
 #[derive(Clone)]
 struct TouchStartInfo {
     pos: Point,
@@ -1645,11 +1572,11 @@ impl UIObject for EditBox {
 /// Filter these char events from being handled since we handle them
 /// using the key_up/key_down events.
 /// Avoids duplicate processing of keyboard input events.
-static DISALLOWED_CHARS: &'static [char] = &['\r', '\u{8}', '\u{7f}', '\t', '\n'];
+pub static DISALLOWED_CHARS: &'static [char] = &['\r', '\u{8}', '\u{7f}', '\t', '\n'];
 
 /// These keycodes are handled via normal key_up/key_down events.
 /// Anything in this list must be disallowed char events.
-static ALLOWED_KEYCODES: &'static [KeyCode] = &[
+pub static ALLOWED_KEYCODES: &'static [KeyCode] = &[
     KeyCode::Left,
     KeyCode::Right,
     KeyCode::Up,
@@ -1672,16 +1599,3 @@ static ALLOWED_KEYCODES: &'static [KeyCode] = &[
     KeyCode::Home,
     KeyCode::End,
 ];
-
-/*
-impl Stoppable for EditBox {
-    async fn stop(&self) {
-        // TODO: Delete own draw call
-
-        // Free buffers
-        // Should this be in drop?
-        //self.render_api.delete_buffer(self.vertex_buffer);
-        //self.render_api.delete_buffer(self.index_buffer);
-    }
-}
-*/

bin/darkwallet/src/ui/editbox/repeat.rs

@@ -0,0 +1,96 @@
+/* This file is part of DarkFi (https://dark.fi)
+ *
+ * Copyright (C) 2020-2024 Dyne.org foundation
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+use miniquad::KeyCode;
+use std::{collections::HashMap, time::Instant};
+
+#[derive(Debug, Clone, Eq, Hash, PartialEq)]
+pub enum PressedKey {
+    Char(char),
+    Key(KeyCode),
+}
+
+/// On key press (repeat=false), we immediately process the event.
+/// Then there's a delay (repeat=true) and then for every step time
+/// while key press events are being sent, we allow an event.
+/// This ensures smooth typing in the editbox.
+pub struct PressedKeysSmoothRepeat {
+    /// When holding keys, we track from start and last sent time.
+    /// This is useful for initial delay and smooth scrolling.
+    pressed_keys: HashMap<PressedKey, RepeatingKeyTimer>,
+    /// Initial delay before allowing keys
+    start_delay: u32,
+    /// Minimum time between repeated keys
+    step_time: u32,
+}
+
+impl PressedKeysSmoothRepeat {
+    pub fn new(start_delay: u32, step_time: u32) -> Self {
+        Self { pressed_keys: HashMap::new(), start_delay, step_time }
+    }
+
+    pub fn key_down(&mut self, key: PressedKey, repeat: bool) -> u32 {
+        //debug!(target: "PressedKeysSmoothRepeat", "key_down({:?}, {})", key, repeat);
+
+        if !repeat {
+            self.pressed_keys.remove(&key);
+            return 1;
+        }
+
+        // Insert key if not exists
+        if !self.pressed_keys.contains_key(&key) {
+            //debug!(target: "PressedKeysSmoothRepeat", "insert key {:?}", key);
+            self.pressed_keys.insert(key.clone(), RepeatingKeyTimer::new());
+        }
+
+        let repeater = self.pressed_keys.get_mut(&key).expect("repeat map");
+        repeater.update(self.start_delay, self.step_time)
+    }
+
+    /*
+    fn key_up(&mut self, key: &PressedKey) {
+        //debug!(target: "PressedKeysSmoothRepeat", "key_up({:?})", key);
+        assert!(self.pressed_keys.contains_key(key));
+        self.pressed_keys.remove(key).expect("key was pressed");
+    }
+    */
+}
+
+struct RepeatingKeyTimer {
+    start: Instant,
+    actions: u32,
+}
+
+impl RepeatingKeyTimer {
+    fn new() -> Self {
+        Self { start: Instant::now(), actions: 0 }
+    }
+
+    fn update(&mut self, start_delay: u32, step_time: u32) -> u32 {
+        let elapsed = self.start.elapsed().as_millis();
+        //debug!(target: "RepeatingKeyTimer", "update() elapsed={}, actions={}",
+        //       elapsed, self.actions);
+        if elapsed < start_delay as u128 {
+            return 0
+        }
+        let total_actions = ((elapsed - start_delay as u128) / step_time as u128) as u32;
+        let remaining_actions = total_actions - self.actions;
+        self.actions = total_actions;
+        remaining_actions
+    }
+}

bin/darkwallet/src/ui/mod.rs

@@ -34,11 +34,13 @@ mod button;
 pub use button::{Button, ButtonPtr};
 pub mod chatview;
 pub use chatview::{ChatView, ChatViewPtr};
+mod chatedit;
+pub use chatedit::{ChatEdit, ChatEditPtr};
 mod editbox;
 pub use editbox::{EditBox, EditBoxPtr};
 mod image;
 pub use image::{Image, ImagePtr};
-pub mod vector_art;
+mod vector_art;
 pub use vector_art::{
     shape::{ShapeVertex, VectorShape},
     VectorArt, VectorArtPtr,
@@ -167,6 +169,7 @@ pub fn get_ui_object_ptr(node: &SceneNode3) -> Arc<dyn UIObject + Send> {
         Pimpl::VectorArt(obj) => obj.clone(),
         Pimpl::Text(obj) => obj.clone(),
         Pimpl::EditBox(obj) => obj.clone(),
+        Pimpl::ChatEdit(obj) => obj.clone(),
         Pimpl::ChatView(obj) => obj.clone(),
         Pimpl::Image(obj) => obj.clone(),
         Pimpl::Button(obj) => obj.clone(),
@@ -179,6 +182,7 @@ pub fn get_ui_object3<'a>(node: &'a SceneNode3) -> &'a dyn UIObject {
         Pimpl::VectorArt(obj) => obj.as_ref(),
         Pimpl::Text(obj) => obj.as_ref(),
         Pimpl::EditBox(obj) => obj.as_ref(),
+        Pimpl::ChatEdit(obj) => obj.as_ref(),
         Pimpl::ChatView(obj) => obj.as_ref(),
         Pimpl::Image(obj) => obj.as_ref(),
         Pimpl::Button(obj) => obj.as_ref(),