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Text measuring, HN comment indenting

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stjet
2025-09-12 05:52:48 +00:00
parent 3994e2a1eb
commit b5f377ed05
12 changed files with 1000 additions and 27 deletions
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66
src/main.rs
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@@ -3,15 +3,17 @@ use std::vec;
use std::fmt;
use std::boxed::Box;
//use ming_wm_lib::logging::log;
use ming_wm_lib::window_manager_types::{ DrawInstructions, WindowLike, WindowLikeType };
use ming_wm_lib::messages::{ WindowMessage, WindowMessageResponse };
use ming_wm_lib::utils::Substring;
use ming_wm_lib::framebuffer_types::Dimensions;
use ming_wm_lib::themes::ThemeInfo;
use ming_wm_lib::fonts::measure_text;
use ming_wm_lib::ipc::listen;
mod http;
use crate::http::get;
use crate::http::HttpClient;
mod xml;
use crate::xml::{ parse, Node, OutputType };
@@ -55,6 +57,7 @@ impl fmt::Display for Mode {
#[derive(Default)]
struct KoxingaBrowser {
client: HttpClient,
dimensions: Dimensions,
mode: Mode,
max_lines: usize,
@@ -62,6 +65,7 @@ struct KoxingaBrowser {
url: Option<String>,
input: String,
links: Vec<String>,
title: Option<String>,
top_level_nodes: Vec<Box<Node>>,
page: Vec<(usize, usize, String, bool)>, //x, y, text, link colour or not
}
@@ -81,7 +85,7 @@ impl WindowLike for KoxingaBrowser {
WindowMessage::KeyPress(key_press) => {
match self.mode {
Mode::Normal => {
let max_lines_screen = (self.dimensions[1] - 4) / LINE_HEIGHT - 1;
let max_lines_screen = (self.dimensions[1] - 2) / LINE_HEIGHT - 1;
if key_press.key == 'u' {
self.mode = Mode::Url;
self.input = self.url.clone().unwrap_or(String::new());
@@ -99,7 +103,7 @@ impl WindowLike for KoxingaBrowser {
}
WindowMessageResponse::JustRedraw
} else if key_press.key == 'j' {
if self.top_line_no < self.max_lines - max_lines_screen {
if self.top_line_no < self.max_lines - max_lines_screen + 1 {
self.top_line_no += 1;
WindowMessageResponse::JustRedraw
} else {
@@ -109,7 +113,7 @@ impl WindowLike for KoxingaBrowser {
self.top_line_no = 0;
WindowMessageResponse::JustRedraw
} else if key_press.key == 'G' {
self.top_line_no = self.max_lines - max_lines_screen;
self.top_line_no = self.max_lines - max_lines_screen + 1;
WindowMessageResponse::JustRedraw
} else {
WindowMessageResponse::DoNothing
@@ -120,6 +124,7 @@ impl WindowLike for KoxingaBrowser {
let new_url = if self.mode == Mode::Search {
"https://old-search.marginalia.nu/search?query=".to_string() + &self.input
} else if self.mode == Mode::Link {
self.mode = Mode::Normal;
let link_index = self.input.parse::<usize>().unwrap();
let url = self.url.as_ref().unwrap();
let mut link;
@@ -142,9 +147,10 @@ impl WindowLike for KoxingaBrowser {
//if Mode::Url
self.input.clone()
};
if let Some(text) = get(&new_url) {
if let Some(text) = self.client.get(&new_url) {
self.url = Some(new_url.clone());
self.top_line_no = 0;
//log(&text);
self.top_level_nodes = parse(&text);
self.input = String::new();
self.calc_page();
@@ -179,11 +185,13 @@ impl WindowLike for KoxingaBrowser {
fn draw(&self, theme_info: &ThemeInfo) -> Vec<DrawInstructions> {
let mut instructions = Vec::new();
let max_lines_screen = (self.dimensions[1] - 4) / LINE_HEIGHT - 1;
let max_lines_screen = (self.dimensions[1] - 2) / LINE_HEIGHT - 1;
for p in &self.page {
let line_no = (p.1 - 2) / LINE_HEIGHT;
if line_no >= self.top_line_no && line_no < self.top_line_no + max_lines_screen {
instructions.push(DrawInstructions::Text([p.0, p.1 - LINE_HEIGHT * self.top_line_no], vec!["nimbus-roman".to_string()], p.2.clone(), if p.3 { theme_info.top_text } else { theme_info.text }, theme_info.background, Some(1), Some(11)));
if line_no >= self.top_line_no + max_lines_screen {
break;
} else if line_no >= self.top_line_no && line_no < self.top_line_no + max_lines_screen {
instructions.push(DrawInstructions::Text([p.0, p.1 - LINE_HEIGHT * self.top_line_no], vec!["nimbus-roman".to_string()], p.2.clone(), if p.3 { theme_info.top_text } else { theme_info.text }, theme_info.background, Some(1), None));
}
}
//mode
@@ -201,7 +209,12 @@ impl WindowLike for KoxingaBrowser {
}
fn title(&self) -> String {
"Koxinga Browser".to_string()
let t = if let Some(title) = &self.title {
format!(": {}", title)
} else {
" Browser".to_string()
};
"Koxinga".to_string() + &t
}
fn subtype(&self) -> WindowLikeType {
@@ -223,6 +236,7 @@ impl KoxingaBrowser {
}
pub fn calc_page(&mut self) {
self.title = None;
self.page = Vec::new();
self.links = Vec::new();
let mut outputs = Vec::new();
@@ -230,14 +244,26 @@ impl KoxingaBrowser {
let html_index = self.top_level_nodes.iter().position(|n| n.tag_name == "html");
if let Some(html_index) = html_index {
for n in &self.top_level_nodes[html_index].children {
if n.tag_name == "body" {
if n.tag_name == "head" {
//look for title, if any
for hn in &n.children {
if hn.tag_name == "title" {
if hn.children[0].text_node {
self.title = Some(hn.children[0].tag_name.clone());
}
}
}
} else if n.tag_name == "body" {
outputs = n.to_output();
break;
}
}
}
}
let mut y = 2;
let mut x = 2;
let mut indent = 0;
let mut line_count = 0;
let mut colour = false;
let mut link_counter = 0;
for o in outputs {
@@ -273,31 +299,43 @@ impl KoxingaBrowser {
if let Some(s) = os {
//leading and trailing whitespace is probably a mistake
let mut line = String::new();
if x == 2 {
x += indent;
}
let mut start_x = x;
for c in s.chars() {
if x + 12 > self.dimensions[0] {
let c_width = measure_text(&["nimbus-roman".to_string(), "shippori-mincho".to_string()], c.to_string()).width + 1; //+1 for horiz spacing
if x + c_width > self.dimensions[0] {
//full line, add draw instruction
self.page.push((start_x, y, line, colour));
line = String::new();
x = 2;
x = 2 + indent;
start_x = x;
y += LINE_HEIGHT;
line_count += 1;
}
line += &c.to_string();
x += 12;
x += c_width;
}
if line.len() > 0 {
self.page.push((start_x, y, line, colour));
}
}
if let OutputType::Indent(space) = o {
indent = space;
if x == 2 {
x += indent;
}
}
if o == OutputType::Newline {
x = 2;
y += LINE_HEIGHT;
line_count += 1;
} else if o == OutputType::EndLink {
colour = false;
}
}
self.max_lines = (y - 2) / LINE_HEIGHT;
self.max_lines = line_count;
}
}