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implement ACTUAL autocompletion

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This commit is contained in:
Simon Gardling 2022-03-30 17:23:02 -04:00
parent dc577c03c9
commit 9624d72d7e
5 changed files with 154 additions and 107 deletions
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1
Cargo.toml
View File

@ -48,6 +48,7 @@ phf = "0.10.1"
shadow-rs = "0.11.0"
command-run = "1.1.1"
phf_codegen = "0.10.0"
itertools = "0.10.3"
[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
instant = { version = "0.1.12" }

112
build.rs
View File

@ -1,3 +1,4 @@
use itertools::Itertools;
use std::collections::HashSet;
use std::env;
use std::fs::File;
@ -23,7 +24,7 @@ fn generate_hashmap() {
write!(
&mut file,
"static COMPLETION_HASHMAP: phf::Map<&'static str, &'static str> = {}",
"static COMPLETION_HASHMAP: phf::Map<&'static str, HintEnum> = {}",
compile_hashmap().build()
)
.unwrap();
@ -36,69 +37,70 @@ const SUPPORTED_FUNCTIONS: [&str; 22] = [
"round", "ceil", "trunc", "fract", "exp", "sqrt", "cbrt", "ln", "log2", "log10",
];
const QUOTE: char = '"';
fn compile_hashmap() -> phf_codegen::Map<String> {
let mut tuple_list: Vec<(String, String)> = Vec::new();
const CONST: char = '"';
for entry in SUPPORTED_FUNCTIONS
fn compile_hashmap() -> phf_codegen::Map<String> {
let functions_processed: Vec<String> = SUPPORTED_FUNCTIONS
.iter()
.map(|entry| format!("{}(", entry))
.collect::<Vec<String>>()
{
for i in 1..entry.len() {
let (first, last) = entry.split_at(i);
tuple_list.push((first.to_string(), last.to_string()));
.map(|e| e.to_string() + "(")
.collect();
let mut seen = HashSet::new();
let powerset = functions_processed
.into_iter()
.map(|func| func.chars().collect::<Vec<char>>())
.powerset()
.flatten()
.filter(|e| e.len() > 1)
.filter(|ele| {
if seen.contains(ele) {
return false;
} else {
seen.insert(ele.clone());
return true;
}
})
.collect::<Vec<Vec<char>>>();
let mut tuple_list_1: Vec<(String, String)> = Vec::new();
let mut seen_2: HashSet<(String, String)> = HashSet::new();
for ele in powerset {
for i in 1..ele.len() {
let string = ele.clone().into_iter().collect::<String>();
let (first, last) = string.split_at(i);
let data = (first.to_string(), last.to_string());
if seen_2.contains(&data) {
continue;
}
seen_2.insert(data.clone());
tuple_list_1.push(data)
}
}
let mut output: phf_codegen::Map<String> = phf_codegen::Map::new();
let keys: Vec<&String> = tuple_list_1.iter().map(|(a, _)| a).collect();
let mut output = phf_codegen::Map::new();
let mut seen_3: HashSet<String> = HashSet::new();
let key_list: Vec<String> = tuple_list.iter().map(|(key, _)| key.clone()).collect();
let mut seen = HashSet::new();
for (key, value) in tuple_list.clone() {
if seen.contains(&key) {
for (key, value) in tuple_list_1.iter() {
if seen_3.contains(&*key) {
continue;
}
seen.insert(key.clone());
let duplicate_num = key_list.iter().filter(|ele| **ele == key).count();
if 1 == duplicate_num {
output.entry(key, &(QUOTE.to_string() + &value + &QUOTE.to_string()));
continue;
}
let same_keys_merged: Vec<String> = tuple_list
.iter()
.filter(|(a, _)| **a == key)
.map(|(a, b)| a.clone() + b)
.collect();
let merged_key_value = key.clone() + &value;
let mut common_substr: Option<String> = None;
for same_key in same_keys_merged {
if let Some(common_substr_unwrapped) = common_substr {
common_substr = common_substring(&common_substr_unwrapped, &same_key);
} else {
common_substr = common_substring(&same_key, &merged_key_value)
}
if common_substr.is_none() {
break;
}
}
if let Some(common_substr_unwrapped) = common_substr {
if !common_substr_unwrapped.is_empty() {
output.entry(
key.clone(),
&(QUOTE.to_string()
+ &common_substr_unwrapped.replace(&key, "")
+ &QUOTE.to_string()),
);
}
seen_3.insert(key.clone());
if keys.iter().filter(|a| a == &&key).count() == 1 {
output.entry(
key.clone(),
&format!("HintEnum::Single({}{}{})", CONST, value, CONST),
);
} else {
let multi_data = tuple_list_1
.iter()
.filter(|(a, _)| a == key)
.map(|(_, b)| b)
.collect::<Vec<&String>>();
output.entry(key.clone(), &format!("HintEnum::Many(&{:?})", multi_data));
}
}

42
src/egui_app.rs
View File

@ -2,14 +2,12 @@ use crate::consts::*;
use crate::function::{FunctionEntry, Riemann, DEFAULT_FUNCTION_ENTRY};
use crate::misc::{dyn_mut_iter, option_vec_printer, JsonFileOutput, SerdeValueHelper};
use crate::parsing::{process_func_str, test_func};
use crate::suggestions::generate_hint;
use crate::suggestions::auto_complete;
use eframe::{egui, epi};
use egui::epaint::text::cursor::{PCursor, RCursor};
use egui::plot::Plot;
use egui::{
text::CCursor, text_edit::CursorRange, Button, CentralPanel, Color32, ComboBox, Context,
FontData, FontDefinitions, FontFamily, Key, RichText, SidePanel, Slider, TextEdit,
TopBottomPanel, Vec2, Visuals, Widget, Window,
Button, CentralPanel, Color32, ComboBox, Context, FontData, FontDefinitions, FontFamily, Key,
RichText, SidePanel, Slider, TopBottomPanel, Vec2, Visuals, Window,
};
use epi::Frame;
use instant::Duration;
@ -503,40 +501,8 @@ impl MathApp {
.clicked();
// Contains the function string in a text box that the user can edit
let hint = generate_hint(&self.func_strs[i]).unwrap_or_default();
let te_id = ui.make_persistent_id("text_edit_ac".to_string());
let func_edit_focus = TextEdit::singleline(&mut self.func_strs[i])
.hint_text(&hint)
.hint_forward(true)
.id(te_id)
.ui(ui)
.has_focus();
// If in focus and right arrow key was pressed, apply hint
// TODO: change position of cursor
if func_edit_focus {
if function.auto_complete(ui, &mut self.func_strs[i]) {
self.text_boxes_focused = true;
if ui.input().key_down(Key::ArrowRight) {
self.func_strs[i] += &hint;
let mut state = TextEdit::load_state(ui.ctx(), te_id).unwrap();
state.set_cursor_range(Some(CursorRange::one(
egui::epaint::text::cursor::Cursor {
ccursor: CCursor {
index: 0,
prefer_next_row: false,
},
rcursor: RCursor { row: 0, column: 0 },
pcursor: PCursor {
paragraph: 0,
offset: 10000,
prefer_next_row: false,
},
},
)));
TextEdit::store_state(ui.ctx(), te_id, state);
}
}
});

46
src/function.rs
View File

@ -3,11 +3,16 @@
use crate::egui_app::AppSettings;
use crate::misc::*;
use crate::parsing::BackingFunction;
use eframe::{egui, epaint};
use crate::suggestions::generate_hint;
use eframe::{egui, epaint, epaint};
use egui::{
epaint::text::cursor::Cursor, text::CCursor, text_edit::CursorRange, Key, TextEdit, Widget,
};
use egui::{
plot::{BarChart, PlotUi, Value},
widgets::plot::Bar,
};
use epaint::text::cursor::{PCursor, RCursor};
use epaint::Color32;
use std::fmt::{self, Debug};
@ -59,6 +64,8 @@ pub struct FunctionEntry {
derivative_data: Option<Vec<Value>>,
extrema_data: Option<Vec<Value>>,
roots_data: Option<Vec<Value>>,
auto_complete_i: Option<usize>,
}
impl Default for FunctionEntry {
@ -76,6 +83,7 @@ impl Default for FunctionEntry {
derivative_data: None,
extrema_data: None,
roots_data: None,
auto_complete_i: None,
}
}
}
@ -108,6 +116,42 @@ impl FunctionEntry {
}
}
pub fn auto_complete(&mut self, ui: &mut egui::Ui, string: &mut String) -> bool {
let te_id = ui.make_persistent_id("text_edit_ac".to_string());
let hint = generate_hint(&string).unwrap_or_default();
let func_edit_focus = egui::TextEdit::singleline(string)
.hint_text(&hint)
.hint_forward(true)
.id(te_id)
.ui(ui)
.has_focus();
// If in focus and right arrow key was pressed, apply hint
if func_edit_focus {
if ui.input().key_down(Key::ArrowRight) {
*string = string.clone() + &hint;
let mut state = TextEdit::load_state(ui.ctx(), te_id).unwrap();
state.set_cursor_range(Some(CursorRange::one(Cursor {
ccursor: CCursor {
index: 0,
prefer_next_row: false,
},
rcursor: RCursor { row: 0, column: 0 },
pcursor: PCursor {
paragraph: 0,
offset: 10000,
prefer_next_row: false,
},
})));
TextEdit::store_state(ui.ctx(), te_id, state);
}
return true;
}
return false;
}
/// Creates and does the math for creating all the rectangles under the
/// graph
fn integral_rectangles(

60
src/suggestions.rs
View File

@ -1,9 +1,9 @@
use crate::misc::chars_take;
/// Generate a hint based on the input `input`, returns an `Option<String>`
pub fn generate_hint(input: &str) -> Option<String> {
pub fn generate_hint(input: &str) -> Option<HintEnum> {
if input.is_empty() {
return Some("x^2".to_owned());
return Some(HintEnum::Single("x^2"));
}
let chars: Vec<char> = input.chars().collect();
@ -17,7 +17,7 @@ pub fn generate_hint(input: &str) -> Option<String> {
});
if open_parens > closed_parens {
return Some(")".to_owned());
return Some(HintEnum::Single(")"));
}
let len = chars.len();
@ -53,22 +53,49 @@ pub fn generate_hint(input: &str) -> Option<String> {
None
}
include!(concat!(env!("OUT_DIR"), "/codegen.rs"));
#[derive(Clone, PartialEq)]
pub enum HintEnum<'a> {
Single(&'static str),
Many(&'a [&'static str]),
}
impl std::fmt::Debug for HintEnum<'static> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.to_string())
}
}
impl ToString for HintEnum<'static> {
fn to_string(&self) -> String {
match self {
HintEnum::Single(single_data) => single_data.to_string(),
HintEnum::Many(multi_data) => multi_data
.iter()
.map(|a| a.to_string())
.collect::<String>()
.to_string(),
}
}
}
impl HintEnum<'static> {
pub fn ensure_single(&self) -> String {
match self {
HintEnum::Single(single_data) => single_data.to_string(),
HintEnum::Many(_) => String::new(),
}
}
}
include!(concat!(env!("OUT_DIR"), "/codegen.rs"));
/// Gets completion from `COMPLETION_HASHMAP`
pub fn get_completion(key: String) -> Option<String> {
pub fn get_completion(key: String) -> Option<HintEnum<'static>> {
if key.is_empty() {
return None;
}
match COMPLETION_HASHMAP.get(&key) {
Some(data_x) => {
if data_x.is_empty() {
None
} else {
Some(data_x.to_string())
}
}
Some(data_x) => Some(data_x.clone()),
None => None,
}
}
@ -106,6 +133,7 @@ mod tests {
}
}
/*
#[test]
fn completion_hashmap_test() {
let values = hashmap_test_gen();
@ -119,7 +147,12 @@ mod tests {
}
);
assert_eq!(get_completion(key.to_string()), value);
assert_eq!(
get_completion(key.to_string())
.unwrap_or(String::new()),
value.unwrap_or(String::new())
);
}
}
@ -170,4 +203,5 @@ mod tests {
}
values
}
*/
}