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-rw-r--r--src/app.rs15
-rw-r--r--src/utils.rs16
2 files changed, 17 insertions, 14 deletions
diff --git a/src/app.rs b/src/app.rs
index eef896d..ffa73dd 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -4,12 +4,12 @@ use crate::{
4 command::CommandBox, 4 command::CommandBox,
5 consts::{colors::*, FONT_PATH}, 5 consts::{colors::*, FONT_PATH},
6 dither, 6 dither,
7 lisp::{error::LispError, eval, lex::Lexer, parse::Parser, prelude, EnvList}, 7 lisp::{eval, lex::Lexer, parse::Parser, prelude, EnvList},
8 message::Message, 8 message::Message,
9 rect, 9 rect,
10 symmetry::Symmetry, 10 symmetry::Symmetry,
11 undo::{ModifyRecord, OpKind, PaintRecord, UndoStack}, 11 undo::{ModifyRecord, OpKind, PaintRecord, UndoStack},
12 utils::{draw_text, is_copy_event, is_paste_event}, 12 utils::{draw_text, handle_error, is_copy_event, is_paste_event},
13}; 13};
14 14
15use std::{convert::From, fs::File, io::prelude::*, path::Path}; 15use std::{convert::From, fs::File, io::prelude::*, path::Path};
@@ -284,7 +284,7 @@ impl<'ctx, 'file> AppState<'ctx, 'file> {
284 Ok(val) => self.message.set_info(format!("{}", val)), 284 Ok(val) => self.message.set_info(format!("{}", val)),
285 Err(eval_err) => self.message.set_error(format!("{}", eval_err)), 285 Err(eval_err) => self.message.set_error(format!("{}", eval_err)),
286 }, 286 },
287 Err(err) => self.message = AppState::handle_error(err, &lisp_expr), 287 Err(err) => self.message = handle_error(err, &lisp_expr),
288 } 288 }
289 self.command_box.hist_append(); 289 self.command_box.hist_append();
290 290
@@ -292,15 +292,6 @@ impl<'ctx, 'file> AppState<'ctx, 'file> {
292 self.mode = Mode::Draw; 292 self.mode = Mode::Draw;
293 } 293 }
294 294
295 fn handle_error(err: LispError, src: &str) -> Message {
296 let mut message = Message::new();
297 match err {
298 LispError::Parse(p) => message.set_error(p.display(&src)),
299 eval_err => message.set_error(eval_err.to_string()),
300 }
301 message
302 }
303
304 fn draw_grid(&mut self) { 295 fn draw_grid(&mut self) {
305 let cs = self.zoom as u32; 296 let cs = self.zoom as u32;
306 let (width, height) = (self.width(), self.height()); 297 let (width, height) = (self.width(), self.height());
diff --git a/src/utils.rs b/src/utils.rs
index 902f939..3e5ff55 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,4 +1,4 @@
1use crate::consts::FONT_PATH; 1use crate::{consts::FONT_PATH, lisp::error::LispError, message::Message};
2use sdl2::{ 2use sdl2::{
3 keyboard::{Keycode, Mod}, 3 keyboard::{Keycode, Mod},
4 pixels::Color, 4 pixels::Color,
@@ -26,7 +26,10 @@ pub fn draw_text<S: AsRef<str>>(
26 let mut font = ttf_context.load_font(FONT_PATH, 17).unwrap(); 26 let mut font = ttf_context.load_font(FONT_PATH, 17).unwrap();
27 font.set_style(sdl2::ttf::FontStyle::NORMAL); 27 font.set_style(sdl2::ttf::FontStyle::NORMAL);
28 font.set_hinting(sdl2::ttf::Hinting::Mono); 28 font.set_hinting(sdl2::ttf::Hinting::Mono);
29 let surface = font.render(text.as_ref()).blended(color).unwrap(); 29 let surface = font
30 .render(if text.is_empty() { " " } else { text.as_ref() })
31 .blended(color)
32 .unwrap();
30 let texture = texture_creator 33 let texture = texture_creator
31 .create_texture_from_surface(&surface) 34 .create_texture_from_surface(&surface)
32 .unwrap(); 35 .unwrap();
@@ -43,3 +46,12 @@ pub fn is_copy_event(keycode: Option<Keycode>, keymod: Mod) -> bool {
43pub fn is_paste_event(keycode: Option<Keycode>, keymod: Mod) -> bool { 46pub fn is_paste_event(keycode: Option<Keycode>, keymod: Mod) -> bool {
44 keycode == Some(Keycode::V) && (keymod == Mod::LCTRLMOD || keymod == Mod::RCTRLMOD) 47 keycode == Some(Keycode::V) && (keymod == Mod::LCTRLMOD || keymod == Mod::RCTRLMOD)
45} 48}
49
50pub fn handle_error(err: LispError, src: &str) -> Message {
51 let mut message = Message::new();
52 match err {
53 LispError::Parse(p) => message.set_error(p.display(&src)),
54 eval_err => message.set_error(eval_err.to_string()),
55 }
56 message
57}