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android: pick file

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This commit is contained in:
ardocrat
2024-06-06 15:02:32 +03:00
parent 2fb3bffc8f
commit d16624d423
7 changed files with 200 additions and 73 deletions
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src/gui/views/file.rs
+42 -21
View File
@@ -18,12 +18,14 @@ use std::{fs, thread};
use parking_lot::RwLock;
use crate::gui::Colors;
use crate::gui::icons::FILE_ARROW_UP;
use crate::gui::icons::ARCHIVE_BOX;
use crate::gui::platform::PlatformCallbacks;
use crate::gui::views::View;
/// Button to pick file and parse its data into text.
pub struct FilePickButton {
/// Flag to check if file is picking.
pub file_picking: Arc<AtomicBool>,
/// Flag to check if file is parsing.
pub file_parsing: Arc<AtomicBool>,
/// File parsing result.
@@ -33,6 +35,7 @@ pub struct FilePickButton {
impl Default for FilePickButton {
fn default() -> Self {
Self {
file_picking: Arc::new(AtomicBool::new(false)),
file_parsing: Arc::new(AtomicBool::new(false)),
file_parsing_result: Arc::new(RwLock::new(None))
}
@@ -45,8 +48,16 @@ impl FilePickButton {
ui: &mut egui::Ui,
cb: &dyn PlatformCallbacks,
on_result: impl FnOnce(String)) {
if self.file_parsing.load(Ordering::Relaxed) {
// Draw loading spinner on file parsing.
if self.file_picking.load(Ordering::Relaxed) {
View::small_loading_spinner(ui);
// Check file pick result.
if let Some(path) = cb.picked_file() {
self.file_picking.store(false, Ordering::Relaxed);
if !path.is_empty() {
self.on_file_pick(path);
}
}
} else if self.file_parsing.load(Ordering::Relaxed) {
View::small_loading_spinner(ui);
// Check file parsing result.
let has_result = {
@@ -67,29 +78,39 @@ impl FilePickButton {
}
} else {
// Draw button to pick file.
let file_text = format!("{} {}", FILE_ARROW_UP, t!("choose_file"));
let file_text = format!("{} {}", ARCHIVE_BOX, t!("choose_file"));
View::colored_text_button(ui, file_text, Colors::blue(), Colors::button(), || {
if let Some(path) = cb.pick_file() {
// Parse file at new thread.
self.file_parsing.store(true, Ordering::Relaxed);
let result = self.file_parsing_result.clone();
thread::spawn(move || {
if path.ends_with(".gif") {
//TODO: Detect QR codes on GIF file.
} else if path.ends_with(".jpeg") || path.ends_with(".jpg") ||
path.ends_with(".png") {
//TODO: Detect QR codes on image files.
} else {
// Parse file as plain text.
if let Ok(text) = fs::read_to_string(path) {
let mut w_res = result.write();
*w_res = Some(text);
}
}
});
self.on_file_pick(path);
}
});
}
}
/// Handle picked file path.
fn on_file_pick(&self, path: String) {
// Wait for asynchronous file pick result if path is empty.
if path.is_empty() {
self.file_picking.store(true, Ordering::Relaxed);
return;
}
self.file_parsing.store(true, Ordering::Relaxed);
let result = self.file_parsing_result.clone();
thread::spawn(move || {
if path.ends_with(".gif") {
//TODO: Detect QR codes on GIF file.
} else if path.ends_with(".jpeg") || path.ends_with(".jpg") ||
path.ends_with(".png") {
//TODO: Detect QR codes on image files.
} else {
// Parse file as plain text.
let mut w_res = result.write();
if let Ok(text) = fs::read_to_string(path) {
*w_res = Some(text);
} else {
*w_res = Some("".to_string());
}
}
});
}
}
src/gui/views/qr.rs
+46 -45
View File
@@ -73,50 +73,6 @@ impl QrCodeContent {
}
}
/// Draw QR code image content.
fn qr_image_ui(&mut self, svg: Vec<u8>, ui: &mut egui::Ui) {
let mut rect = ui.available_rect_before_wrap();
rect.min += egui::emath::vec2(10.0, 0.0);
rect.max -= egui::emath::vec2(10.0, 0.0);
// Create background shape.
let mut bg_shape = egui::epaint::RectShape {
rect,
rounding: egui::Rounding::default(),
fill: egui::Color32::WHITE,
stroke: egui::Stroke::NONE,
fill_texture_id: Default::default(),
uv: egui::Rect::ZERO
};
let bg_idx = ui.painter().add(bg_shape);
// Draw QR code image content.
let mut content_rect = ui.allocate_ui_at_rect(rect, |ui| {
ui.add_space(10.0);
let size = SizeHint::Size(ui.available_width() as u32, ui.available_width() as u32);
let color_img = load_svg_bytes_with_size(svg.as_slice(), Some(size)).unwrap();
// Create image texture.
let texture_handle = ui.ctx().load_texture("qr_code",
color_img.clone(),
TextureOptions::default());
self.texture_handle = Some(texture_handle.clone());
let img_size = egui::emath::vec2(color_img.width() as f32,
color_img.height() as f32);
let sized_img = SizedTexture::new(texture_handle.id(), img_size);
// Add image to content.
ui.add(egui::Image::from_texture(sized_img)
.max_height(ui.available_width())
.fit_to_original_size(1.0));
ui.add_space(10.0);
}).response.rect;
// Setup background shape to be painted behind content.
content_rect.min -= egui::emath::vec2(10.0, 0.0);
content_rect.max += egui::emath::vec2(10.0, 0.0);
bg_shape.rect = content_rect;
ui.painter().set(bg_idx, bg_shape);
}
/// Draw animated QR code content.
fn animated_ui(&mut self, ui: &mut egui::Ui, text: String, cb: &dyn PlatformCallbacks) {
if !self.has_image() {
@@ -180,8 +136,9 @@ impl QrCodeContent {
});
} else {
ui.vertical_centered(|ui| {
ui.add_space(8.0);
ui.add_space(2.0);
View::small_loading_spinner(ui);
ui.add_space(1.0);
});
}
@@ -271,6 +228,50 @@ impl QrCodeContent {
}
}
/// Draw QR code image content.
fn qr_image_ui(&mut self, svg: Vec<u8>, ui: &mut egui::Ui) {
let mut rect = ui.available_rect_before_wrap();
rect.min += egui::emath::vec2(10.0, 0.0);
rect.max -= egui::emath::vec2(10.0, 0.0);
// Create background shape.
let mut bg_shape = egui::epaint::RectShape {
rect,
rounding: egui::Rounding::default(),
fill: egui::Color32::WHITE,
stroke: egui::Stroke::NONE,
fill_texture_id: Default::default(),
uv: egui::Rect::ZERO
};
let bg_idx = ui.painter().add(bg_shape);
// Draw QR code image content.
let mut content_rect = ui.allocate_ui_at_rect(rect, |ui| {
ui.add_space(10.0);
let size = SizeHint::Size(ui.available_width() as u32, ui.available_width() as u32);
let color_img = load_svg_bytes_with_size(svg.as_slice(), Some(size)).unwrap();
// Create image texture.
let texture_handle = ui.ctx().load_texture("qr_code",
color_img.clone(),
TextureOptions::default());
self.texture_handle = Some(texture_handle.clone());
let img_size = egui::emath::vec2(color_img.width() as f32,
color_img.height() as f32);
let sized_img = SizedTexture::new(texture_handle.id(), img_size);
// Add image to content.
ui.add(egui::Image::from_texture(sized_img)
.max_height(ui.available_width())
.fit_to_original_size(1.0));
ui.add_space(10.0);
}).response.rect;
// Setup background shape to be painted behind content.
content_rect.min -= egui::emath::vec2(10.0, 0.0);
content_rect.max += egui::emath::vec2(10.0, 0.0);
bg_shape.rect = content_rect;
ui.painter().set(bg_idx, bg_shape);
}
/// Check if QR code is loading.
fn loading(&self) -> bool {
let r_state = self.qr_image_state.read();