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DavidOnTop 2024-12-18 09:30:58 +01:00
parent 88b05d196f
commit ad96685ce2
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1 changed files with 66 additions and 6 deletions
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72
src/app.rs
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@ -1,11 +1,12 @@
use eframe::egui::{Context, TextEdit, Ui}; use eframe::egui::{Context, Id, TextEdit, Ui};
use eframe::{egui, Frame}; use eframe::{egui, Frame};
use eframe::egui::WidgetType::TextEdit; use eframe::egui::text_edit::TextCursorState;
pub struct App { pub struct App {
prompt: String, prompt: String,
output: String, output: String,
evaluated: String, evaluated: String,
cursor: TextCursorState
} }
impl Default for App { impl Default for App {
@ -14,19 +15,74 @@ impl Default for App {
prompt: String::new(), prompt: String::new(),
output: String::new(), output: String::new(),
evaluated: String::new(), evaluated: String::new(),
cursor: TextCursorState::default()
} }
} }
} }
impl eframe::App for App { impl eframe::App for App {
fn update(&mut self, ctx: &Context, frame: &mut Frame) { fn update(&mut self, ctx: &Context, frame: &mut Frame) {
ctx.set_pixels_per_point(3.0);
egui::TopBottomPanel::top("top").show(ctx, |ui| { egui::TopBottomPanel::top("top").show(ctx, |ui| {
// TODO: get cursor position from multiline let res = ui.add_sized([ui.available_width(), 20.0], TextEdit::multiline(&mut self.prompt));
TextEdit::multiline(&mut self.prompt).show(ui); if let Some(state) = TextEdit::load_state(ctx, res.id) {
TextEdit::singleline(&mut self.output).show(ui); self.cursor = state.cursor;
}
ui.add_sized([ui.available_width(), 20.0], TextEdit::singleline(&mut self.output));
}); });
egui::CentralPanel::default().show(ctx, |ui| { egui::CentralPanel::default().show(ctx, |ui| {
ui.vertical_centered_justified(|ui| {
ui.horizontal(|ui| {
self.btn(ui, "1".to_string(), "1".to_string());
self.btn(ui, "2".to_string(), "2".to_string());
self.btn(ui, "3".to_string(), "3".to_string());
});
ui.horizontal(|ui| {
self.btn(ui, "4".to_string(), "4".to_string());
self.btn(ui, "5".to_string(), "5".to_string());
self.btn(ui, "6".to_string(), "6".to_string());
});
ui.horizontal(|ui| {
self.btn(ui, "7".to_string(), "7".to_string());
self.btn(ui, "8".to_string(), "8".to_string());
self.btn(ui, "9".to_string(), "9".to_string());
});
ui.horizontal(|ui| {
self.btn(ui, "0".to_string(), "0".to_string());
});
});
ui.label(" ");
ui.horizontal(|ui| {
self.btn(ui, "+".to_string(), "+".to_string());
self.btn(ui, "-".to_string(), "-".to_string());
});
ui.horizontal(|ui| {
self.btn(ui, "*".to_string(), "*".to_string());
self.btn(ui, "/".to_string(), "/".to_string());
});
ui.horizontal(|ui| {
self.btn(ui, "(".to_string(), "(".to_string());
self.btn(ui, ")".to_string(), ")".to_string());
});
ui.horizontal(|ui| {
self.btn(ui, "sin".to_string(), "sin(".to_string());
self.btn(ui, "cos".to_string(), "cos(".to_string());
self.btn(ui, "tan".to_string(), "tan(".to_string());
self.btn(ui, "cot".to_string(), "cot(".to_string());
});
ui.horizontal(|ui| {
self.btn(ui, "log".to_string(), "log(".to_string());
self.btn(ui, "ln".to_string(), "ln(".to_string());
});
ui.horizontal(|ui| {
self.btn(ui, "sqrt".to_string(), "sqrt(".to_string());
self.btn(ui, "exp".to_string(), "^".to_string());
});
ui.horizontal(|ui| {
self.btn(ui, "pi".to_string(), "pi".to_string());
self.btn(ui, "e".to_string(), "e".to_string());
self.btn(ui, "i".to_string(), "i".to_string());
});
}); });
// reevaluate if prompt changes // reevaluate if prompt changes
if self.evaluated != self.prompt { if self.evaluated != self.prompt {
@ -35,9 +91,13 @@ impl eframe::App for App {
} }
} }
}
impl App {
fn btn(&mut self, ui: &mut Ui, label: String, expr: String) { fn btn(&mut self, ui: &mut Ui, label: String, expr: String) {
if ui.button(label).clicked() { if ui.button(label).clicked() {
// TODO: insert expr at cursor position in prompt // TODO: insert expr at cursor position in prompt
self.prompt.push_str(&expr);
} }
} }
} }