From cad96556adaad9623101405de329d64abd39e674 Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Wed, 31 Mar 2021 16:50:57 +0530
Subject: initial support for rc.lisp

---
 src/app.rs    | 27 +++++++++++++++++++++------
 src/consts.rs |  1 +
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/src/app.rs b/src/app.rs
index 29a292f..1263324 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -2,7 +2,7 @@ use crate::{
     bitmap::{positive_angle_with_x, MapPoint, Pixmap},
     brush::{Brush, CircleBrush, LineBrush},
     command::CommandBox,
-    consts::{colors::*, FONT_PATH, STDLIB_PATH},
+    consts::{colors::*, FONT_PATH, RC_PATH, STDLIB_PATH},
     dither,
     error::AppError,
     lisp::{eval, lex::Lexer, parse::Parser, prelude, EnvList},
@@ -13,7 +13,12 @@ use crate::{
     utils::{draw_text, handle_error, is_copy_event, is_paste_event, load_script},
 };
 
-use std::{convert::From, fs::File, io::prelude::*, path::Path};
+use std::{
+    convert::From,
+    fs::File,
+    io::prelude::*,
+    path::{Path, PathBuf},
+};
 
 use obi::Image;
 use sdl2::{
@@ -34,7 +39,7 @@ pub enum Mode {
     Command,
 }
 
-pub struct AppState<'ctx, 'file> {
+pub struct AppState<'ctx> {
     pub active_color: bool,
     pub brush: Brush,
     pub canvas: Canvas<Window>,
@@ -42,7 +47,7 @@ pub struct AppState<'ctx, 'file> {
     pub context: &'ctx Sdl,
     pub current_operation: Vec<PaintRecord>,
     pub dither_level: u8,
-    pub file_name: Option<&'file Path>,
+    pub file_name: Option<PathBuf>,
     pub grid: Grid,
     pub lisp_env: EnvList,
     pub message: Message,
@@ -71,7 +76,7 @@ impl Grid {
 }
 
 // private actions on appstate
-impl<'ctx, 'file> AppState<'ctx, 'file> {
+impl<'ctx> AppState<'ctx> {
     fn pan<P: Into<Point>>(&mut self, direction: P) {
         self.start += direction.into();
     }
@@ -516,7 +521,7 @@ impl<'ctx, 'file> AppState<'ctx, 'file> {
         context: &'ctx Sdl,
         ttf_context: &'ctx Sdl2TtfContext,
         start_data: Option<Vec<bool>>,
-        file_name: Option<&'file Path>,
+        file_name: Option<PathBuf>,
     ) -> Result<Self, AppError> {
         let video_subsystem = context.video().map_err(AppError::Sdl)?;
 
@@ -557,6 +562,9 @@ impl<'ctx, 'file> AppState<'ctx, 'file> {
             zoom: 5,
         };
         load_script(STDLIB_PATH, &mut app).map_err(AppError::Lisp)?;
+        std::fs::create_dir_all(RC_PATH).map_err(AppError::File)?;
+        load_script([RC_PATH, "rc.lisp"].iter().collect::<PathBuf>(), &mut app)
+            .map_err(AppError::Lisp)?;
         Ok(app)
     }
 
@@ -566,6 +574,13 @@ impl<'ctx, 'file> AppState<'ctx, 'file> {
         image
     }
 
+    pub fn save_as<P: AsRef<Path>>(&self, file_name: P) -> Result<(), AppError> {
+        let image = self.export().encode().unwrap();
+        let mut file = File::create(file_name).map_err(AppError::File)?;
+        file.write_all(&image[..]).unwrap();
+        return Ok(());
+    }
+
     pub fn run(&mut self) {
         self.canvas.set_draw_color(BLACK);
         self.canvas.clear();
diff --git a/src/consts.rs b/src/consts.rs
index 52ab580..3f9ecb9 100644
--- a/src/consts.rs
+++ b/src/consts.rs
@@ -10,3 +10,4 @@ pub mod colors {
 
 pub const FONT_PATH: &'static str = "./assets/NerdInput-Regular.ttf";
 pub const STDLIB_PATH: &'static str = "./src/lisp/std.lisp";
+pub const RC_PATH: &'static str = "/home/np/.config/sdl-tests";
-- 
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