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feat: optional infobar

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literally the title; except on the bottom
This commit is contained in:
electria 2026-07-30 20:17:21 -07:00
commit 7ce87e2870
Signed by: electria
SSH key fingerprint: SHA256:8LlB3ucPbBHqozqkhsNbaV5oG3SlzzqUj8FZDL6IPQs
2 changed files with 56 additions and 28 deletions
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76
src/main.rs
View file

@ -1,4 +1,4 @@
use std::{env, path::Path};
use std::{borrow::Cow, env, ffi::OsStr, path::Path};
use iced::{
Alignment, Color, Element, Length, Renderer, Subscription, Task, Theme, color, event,
@ -23,6 +23,8 @@ struct State {
image_filter: widget::image::FilterMethod,
error: Option<String>,
info: Option<String>,
infobar_shown: bool,
}
impl State {
fn new() -> (Self, Task<Message>) {
@ -38,30 +40,33 @@ impl State {
(state, allocate_image)
}
fn view(&self) -> Element<'_, Message, Theme, Renderer> {
widget::column([
if let Some(allocation) = self.image_display.as_ref() {
widget::image::viewer(allocation.handle().clone())
.filter_method(self.image_filter)
.max_scale(50.)
.min_scale(1.)
.width(Length::Fill)
.height(Length::Fill)
.into()
} else {
widget::container(widget::text(include_str!("usage.txt")))
.height(Length::Fill)
.width(Length::Fill)
.align_x(Alignment::Center)
.align_y(Alignment::Center)
.into()
},
if let Some(error) = self.error.as_ref() {
widget::text(error).style(widget::text::danger).into()
} else {
widget::space().into()
},
])
.into()
let mut main = Vec::new();
main.push(if let Some(allocation) = self.image_display.as_ref() {
widget::image::viewer(allocation.handle().clone())
.filter_method(self.image_filter)
.max_scale(50.)
.min_scale(1.)
.width(Length::Fill)
.height(Length::Fill)
.into()
} else {
widget::container(widget::text(include_str!("usage.txt")))
.height(Length::Fill)
.width(Length::Fill)
.align_x(Alignment::Center)
.align_y(Alignment::Center)
.into()
});
if let Some(error) = self.error.as_ref() {
main.push(widget::text(error).style(widget::text::danger).into());
}
if self.infobar_shown && self.info.is_some() {
main.push(widget::text(self.title()).into());
}
widget::column(main).into()
}
fn update(&mut self, message: Message) -> Task<Message> {
match message {
@ -117,6 +122,9 @@ impl State {
widget::image::FilterMethod::Nearest => widget::image::FilterMethod::Linear,
}
}
Key::Character("b") => {
self.infobar_shown = !self.infobar_shown;
}
Key::Character("s") => {
self.save_image();
@ -146,7 +154,16 @@ impl State {
}
fn load_image(&mut self, path: impl AsRef<Path>) -> Result<Task<Message>, String> {
utils::load_image(path).map(|image| {
utils::load_image(&path).map(|image| {
self.info = Some(format!(
"{} {}x{}",
path.as_ref()
.file_name()
.map(OsStr::to_string_lossy)
.unwrap_or(Cow::Borrowed("[no file]")),
image.width(),
image.height(),
));
self.image = Some(image);
self.allocate_image()
})
@ -177,8 +194,11 @@ impl State {
event::listen().map(Message::Event)
}
fn title(&self) -> String {
match self.image.as_ref() {
Some(image) => format!("imagey {}x{}", image.width(), image.height()),
match self.info.as_ref() {
Some(info) => format!(
"imagey {info} {}",
utils::string_from_filter_type(self.image_filter),
),
None => "imagey".into(),
}
}

8
src/utils.rs
View file

@ -1,5 +1,6 @@
use std::path::{Path, PathBuf};
use iced::widget;
use image::{DynamicImage, ImageDecoder, ImageReader, RgbaImage};
use rfd::FileDialog;
@ -79,3 +80,10 @@ pub fn save_image(image: Option<&RgbaImage>) -> Result<(), String> {
Ok(())
}
pub fn string_from_filter_type(f: widget::image::FilterMethod) -> &'static str {
match f {
widget::image::FilterMethod::Linear => "bilinear",
widget::image::FilterMethod::Nearest => "nearest neighbor",
}
}