pub fn choice2(
x: i32,
y: i32,
txt: &str,
b0: &str,
b1: &str,
b2: &str
) -> Option<i32>Expand description
Displays a choice box with up to three choices. Closing the dialog returns None. Choosing a value returns its index from the arguments.
Examples found in repository?
examples/editor2.rs (line 369)
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pub fn launch(&mut self) {
while self.app.wait() {
use Message::*;
if let Some(msg) = self.r.recv() {
match msg {
Changed => {
if !self.modified {
self.modified = true;
self.menu.menu.find_item("&File/Save\t").unwrap().activate();
self.menu.menu.find_item("&File/Quit\t").unwrap().set_label_color(Color::Red);
let name = match &self.filename {
Some(f) => f.to_string_lossy().to_string(),
None => "(Untitled)".to_string(),
};
self.main_win.set_label(&format!("* {name} - RustyEd"));
}
}
New => {
if self.buf.text() != "" {
let clear = if let Some(x) = dialog::choice2(center().0 - 200, center().1 - 100, "File unsaved, Do you wish to continue?", "Yes", "No!", "") {
x == 0
} else {
false
};
if clear {
self.buf.set_text("");
}
}
},
Open => {
let mut dlg = dialog::FileDialog::new(dialog::FileDialogType::BrowseFile);
dlg.set_option(dialog::FileDialogOptions::NoOptions);
dlg.set_filter("*.{txt,rs,toml}");
dlg.show();
let filename = dlg.filename();
if !filename.to_string_lossy().to_string().is_empty() {
if filename.exists() {
match self.buf.load_file(&filename) {
Ok(_) => self.filename = Some(filename),
Err(e) => dialog::alert(center().0 - 200, center().1 - 100, &format!("An issue occured while loading the file: {e}")),
}
} else {
dialog::alert(center().0 - 200, center().1 - 100, "File does not exist!")
}
}
},
Save => { self.save_file().unwrap(); },
SaveAs => { self.save_file_as().unwrap(); },
Print => {
let mut printer = printer::Printer::default();
if printer.begin_job(0).is_ok() {
let (w, h) = printer.printable_rect();
self.printable.set_size(w - 40, h - 40);
// Needs cleanup
let line_count = self.printable.count_lines(0, self.printable.buffer().unwrap().length(), true) / 45;
for i in 0..=line_count {
self.printable.scroll(45 * i, 0);
printer.begin_page().ok();
printer.print_widget(&self.printable, 20, 20);
printer.end_page().ok();
}
printer.end_job();
}
},
Quit => {
if self.modified {
match dialog::choice2(center().0 - 200, center().1 - 100,
"Would you like to save your work?", "Yes", "No", "") {
Some(0) => {
if self.save_file().unwrap() {
self.app.quit();
}
},
Some(1) => { self.app.quit() },
Some(_) | None => (),
}
} else {
self.app.quit();
}
},
Cut => self.editor.cut(),
Copy => self.editor.copy(),
Paste => self.editor.paste(),
About => dialog::message(center().0 - 300, center().1 - 100, "This is an example application written in Rust and using the FLTK Gui library."),
}
}
}
}