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Got basic editing functionality up and running again after the refactor.

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This commit is contained in:
Nathan Vegdahl 2014-12-31 18:39:01 -08:00
parent 71913eed31
commit 49b34e78d5
4 changed files with 67 additions and 48 deletions
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18
src/buffer/mod.rs
View File

@ -4,6 +4,7 @@ use std::mem;
use self::node::{BufferNode, BufferNodeGraphemeIter};
use self::line::{Line};
use string_utils::{is_line_ending};
mod line;
mod node;
@ -170,7 +171,22 @@ impl<'a> BufferGraphemeIter<'a> {
self.gi.skip_graphemes(n)
}
pub fn skip_non_newline_graphemes(&mut self, n: uint) -> bool {
let mut i: uint = 0;
for g in self.gi {
if is_line_ending(g) {
return true;
}
i += 1;
if i >= n {
break;
}
}
return false;
}
}

56
src/editor.rs
View File

@ -2,12 +2,12 @@
use buffer::Buffer;
use std::path::Path;
use files::{load_file_to_buffer, save_buffer_to_file};
use string_utils::char_count;
//use files::{load_file_to_buffer, save_buffer_to_file};
use string_utils::grapheme_count;
pub struct Editor {
pub buffer: TextBuffer,
pub buffer: Buffer,
pub file_path: Path,
pub dirty: bool,
@ -24,7 +24,7 @@ impl Editor {
/// Create a new blank editor
pub fn new() -> Editor {
Editor {
buffer: TextBuffer::new(),
buffer: Buffer::new(),
file_path: Path::new(""),
dirty: false,
view_dim: (0, 0),
@ -33,25 +33,25 @@ impl Editor {
}
}
pub fn new_from_file(path: &Path) -> Editor {
let buf = load_file_to_buffer(path).unwrap();
Editor {
buffer: buf,
file_path: path.clone(),
dirty: false,
view_dim: (0, 0),
view_pos: (0, 0),
cursor: (0, 0),
}
}
// pub fn new_from_file(path: &Path) -> Editor {
// let buf = load_file_to_buffer(path).unwrap();
//
// Editor {
// buffer: buf,
// file_path: path.clone(),
// dirty: false,
// view_dim: (0, 0),
// view_pos: (0, 0),
// cursor: (0, 0),
// }
// }
pub fn save_if_dirty(&mut self) {
if self.dirty && self.file_path != Path::new("") {
let _ = save_buffer_to_file(&self.buffer, &self.file_path);
self.dirty = false;
}
}
// pub fn save_if_dirty(&mut self) {
// if self.dirty && self.file_path != Path::new("") {
// let _ = save_buffer_to_file(&self.buffer, &self.file_path);
// self.dirty = false;
// }
// }
pub fn update_dim(&mut self, h: uint, w: uint) {
self.view_dim = (h, w);
@ -79,7 +79,7 @@ impl Editor {
pub fn insert_text_at_cursor(&mut self, text: &str) {
let pos = self.buffer.pos_2d_to_closest_1d(self.cursor);
let str_len = char_count(text);
let str_len = grapheme_count(text);
let p = self.buffer.pos_2d_to_closest_1d(self.cursor);
// Insert text
@ -92,15 +92,15 @@ impl Editor {
self.move_view_to_cursor();
}
pub fn insert_text_at_char(&mut self, text: &str, pos: uint) {
pub fn insert_text_at_grapheme(&mut self, text: &str, pos: uint) {
self.dirty = true;
let buf_len = self.buffer.len();
self.buffer.insert_text(text, if pos < buf_len {pos} else {buf_len});
}
pub fn remove_text_behind_cursor(&mut self, char_count: uint) {
pub fn remove_text_behind_cursor(&mut self, grapheme_count: uint) {
let pos_b = self.buffer.pos_2d_to_closest_1d(self.cursor);
let pos_a = if pos_b >= char_count {pos_b - char_count} else {0};
let pos_a = if pos_b >= grapheme_count {pos_b - grapheme_count} else {0};
// Move cursor
self.cursor = self.buffer.pos_1d_to_closest_2d(pos_a);
@ -153,7 +153,7 @@ impl Editor {
}
pub fn cursor_down(&mut self) {
if self.cursor.0 < self.buffer.newline_count() {
if self.cursor.0 < (self.buffer.line_count() - 1) {
self.cursor.0 += 1;
}
else {
@ -190,7 +190,7 @@ impl Editor {
}
pub fn page_down(&mut self) {
let nlc = self.buffer.newline_count();
let nlc = self.buffer.line_count() - 1;
if self.view_pos.0 < nlc {
let move_amount = self.view_dim.0 - (self.view_dim.0 / 8);

19
src/main.rs
View File

@ -4,14 +4,14 @@ extern crate "rustc-serialize" as rustc_serialize;
use std::path::Path;
use docopt::Docopt;
//use editor::Editor;
//use term_ui::TermUI;
use editor::Editor;
use term_ui::TermUI;
mod string_utils;
mod buffer;
//mod files;
//mod editor;
//mod term_ui;
mod editor;
mod term_ui;
@ -47,10 +47,13 @@ fn main() {
// else {
// Editor::new()
// };
//
// // Initialize and start UI
// let mut ui = TermUI::new_from_editor(editor);
// ui.ui_loop();
//
let editor = Editor::new();
// Initialize and start UI
let mut ui = TermUI::new_from_editor(editor);
ui.ui_loop();
//println!("{}", editor.buffer.root.tree_height);
}

22
src/term_ui.rs
View File

@ -5,7 +5,7 @@ use rustbox::Color;
use editor::Editor;
use std::char;
use std::time::duration::Duration;
use string_utils::{is_line_ending};
// Key codes
const K_ENTER: u16 = 13;
@ -74,9 +74,9 @@ impl TermUI {
break;
},
K_CTRL_S => {
self.editor.save_if_dirty();
},
// K_CTRL_S => {
// self.editor.save_if_dirty();
// },
K_PAGEUP => {
self.editor.page_up();
@ -152,7 +152,7 @@ impl TermUI {
}
pub fn draw_editor(&self, editor: &Editor, c1: (uint, uint), c2: (uint, uint)) {
let mut tb_iter = editor.buffer.iter_at_char(editor.buffer.pos_2d_to_closest_1d(editor.view_pos));
let mut tb_iter = editor.buffer.grapheme_iter_at_index(editor.buffer.pos_2d_to_closest_1d(editor.view_pos));
let mut pline = c1.0;
let mut pcol = c1.1;
let mut line = editor.view_pos.0;
@ -164,10 +164,10 @@ impl TermUI {
let cursor_pos = editor.buffer.pos_2d_to_closest_1d(editor.cursor);
loop {
if let Option::Some(c) = tb_iter.next() {
if c == '\n' {
if let Some(g) = tb_iter.next() {
if is_line_ending(g) {
if pos == cursor_pos {
self.rb.print(pcol, pline, rustbox::RB_NORMAL, Color::Black, Color::White, " ".to_string().as_slice());
self.rb.print(pcol, pline, rustbox::RB_NORMAL, Color::Black, Color::White, " ");
}
pline += 1;
@ -177,10 +177,10 @@ impl TermUI {
}
else {
if pos == cursor_pos {
self.rb.print(pcol, pline, rustbox::RB_NORMAL, Color::Black, Color::White, c.to_string().as_slice());
self.rb.print(pcol, pline, rustbox::RB_NORMAL, Color::Black, Color::White, g);
}
else {
self.rb.print(pcol, pline, rustbox::RB_NORMAL, Color::White, Color::Black, c.to_string().as_slice());
self.rb.print(pcol, pline, rustbox::RB_NORMAL, Color::White, Color::Black, g);
}
pcol += 1;
@ -219,7 +219,7 @@ impl TermUI {
// to it.
loop {
if column < editor.view_pos.1 {
let nl = tb_iter.skip_non_newline_chars(editor.view_pos.1);
let nl = tb_iter.skip_non_newline_graphemes(editor.view_pos.1);
if !nl {
column = editor.view_pos.1;
break;