pub struct MenuItem { /* private fields */ }
Expand description
Creates a menu item
Implementations§
source§impl MenuItem
impl MenuItem
sourcepub fn new(choices: &[&'static str]) -> MenuItem
pub fn new(choices: &[&'static str]) -> MenuItem
Initializes a new menu item
Examples found in repository?
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fn main() {
let app = app::App::default().with_scheme(app::Scheme::Gtk);
app::background(211, 211, 211);
let mut win = window::Window::default().with_size(900, 300);
let mut b = browser::HoldBrowser::default()
.with_size(900 - 10, 300 - 10)
.center_of(&win);
let widths = &[50, 50, 50, 70, 70, 40, 40, 70, 70, 50];
b.set_column_widths(widths);
b.set_column_char('\t');
b.add("USER\tPID\t%CPU\t%MEM\tVSZ\tRSS\tTTY\tSTAT\tSTART\tTIME\tCOMMAND");
b.add("root\t2888\t0.0\t0.0\t1352\t0\ttty3\tSW\tAug15\t0:00\t@b@f/sbin/mingetty tty3");
b.add("erco\t2889\t0.0\t13.0\t221352\t0\ttty3\tR\tAug15\t1:34\t@b@f/usr/local/bin/render a35 0004");
b.add("uucp\t2892\t0.0\t0.0\t1352\t0\tttyS0\tSW\tAug15\t0:00\t@b@f/sbin/agetty -h 19200 ttyS0 vt100");
b.add("root\t13115\t0.0\t0.0\t1352\t0\ttty2\tSW\tAug30\t0:00\t@b@f/sbin/mingetty tty2");
b.add(
"root\t13464\t0.0\t0.0\t1352\t0\ttty1\tSW\tAug30\t0:00\t@b@f/sbin/mingetty tty1 --noclear",
);
let menu = menu::MenuItem::new(&["1st menu item\t", "2nd menu item\t", "3rd menu item\t"]);
b.set_callback(move |_| {
if app::event_mouse_button() == app::MouseButton::Right {
// or app::event_button() == 3
let coords = app::event_coords();
match menu.popup(coords.0, coords.1) {
None => println!("No value was chosen!"),
Some(val) => println!("{}", val.label().unwrap()),
}
}
});
win.make_resizable(true);
win.end();
win.show();
app.run().unwrap();
}
sourcepub fn popup(&self, x: i32, y: i32) -> Option<MenuItem>
pub fn popup(&self, x: i32, y: i32) -> Option<MenuItem>
Creates a popup menu at the specified coordinates and returns its choice
Examples found in repository?
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fn main() {
let app = app::App::default().with_scheme(app::Scheme::Gtk);
app::background(211, 211, 211);
let mut win = window::Window::default().with_size(900, 300);
let mut b = browser::HoldBrowser::default()
.with_size(900 - 10, 300 - 10)
.center_of(&win);
let widths = &[50, 50, 50, 70, 70, 40, 40, 70, 70, 50];
b.set_column_widths(widths);
b.set_column_char('\t');
b.add("USER\tPID\t%CPU\t%MEM\tVSZ\tRSS\tTTY\tSTAT\tSTART\tTIME\tCOMMAND");
b.add("root\t2888\t0.0\t0.0\t1352\t0\ttty3\tSW\tAug15\t0:00\t@b@f/sbin/mingetty tty3");
b.add("erco\t2889\t0.0\t13.0\t221352\t0\ttty3\tR\tAug15\t1:34\t@b@f/usr/local/bin/render a35 0004");
b.add("uucp\t2892\t0.0\t0.0\t1352\t0\tttyS0\tSW\tAug15\t0:00\t@b@f/sbin/agetty -h 19200 ttyS0 vt100");
b.add("root\t13115\t0.0\t0.0\t1352\t0\ttty2\tSW\tAug30\t0:00\t@b@f/sbin/mingetty tty2");
b.add(
"root\t13464\t0.0\t0.0\t1352\t0\ttty1\tSW\tAug30\t0:00\t@b@f/sbin/mingetty tty1 --noclear",
);
let menu = menu::MenuItem::new(&["1st menu item\t", "2nd menu item\t", "3rd menu item\t"]);
b.set_callback(move |_| {
if app::event_mouse_button() == app::MouseButton::Right {
// or app::event_button() == 3
let coords = app::event_coords();
match menu.popup(coords.0, coords.1) {
None => println!("No value was chosen!"),
Some(val) => println!("{}", val.label().unwrap()),
}
}
});
win.make_resizable(true);
win.end();
win.show();
app.run().unwrap();
}
sourcepub fn label(&self) -> Option<String>
pub fn label(&self) -> Option<String>
Returns the label of the menu item
Examples found in repository?
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fn main() {
let app = app::App::default().with_scheme(app::Scheme::Gtk);
app::background(211, 211, 211);
let mut win = window::Window::default().with_size(900, 300);
let mut b = browser::HoldBrowser::default()
.with_size(900 - 10, 300 - 10)
.center_of(&win);
let widths = &[50, 50, 50, 70, 70, 40, 40, 70, 70, 50];
b.set_column_widths(widths);
b.set_column_char('\t');
b.add("USER\tPID\t%CPU\t%MEM\tVSZ\tRSS\tTTY\tSTAT\tSTART\tTIME\tCOMMAND");
b.add("root\t2888\t0.0\t0.0\t1352\t0\ttty3\tSW\tAug15\t0:00\t@b@f/sbin/mingetty tty3");
b.add("erco\t2889\t0.0\t13.0\t221352\t0\ttty3\tR\tAug15\t1:34\t@b@f/usr/local/bin/render a35 0004");
b.add("uucp\t2892\t0.0\t0.0\t1352\t0\tttyS0\tSW\tAug15\t0:00\t@b@f/sbin/agetty -h 19200 ttyS0 vt100");
b.add("root\t13115\t0.0\t0.0\t1352\t0\ttty2\tSW\tAug30\t0:00\t@b@f/sbin/mingetty tty2");
b.add(
"root\t13464\t0.0\t0.0\t1352\t0\ttty1\tSW\tAug30\t0:00\t@b@f/sbin/mingetty tty1 --noclear",
);
let menu = menu::MenuItem::new(&["1st menu item\t", "2nd menu item\t", "3rd menu item\t"]);
b.set_callback(move |_| {
if app::event_mouse_button() == app::MouseButton::Right {
// or app::event_button() == 3
let coords = app::event_coords();
match menu.popup(coords.0, coords.1) {
None => println!("No value was chosen!"),
Some(val) => println!("{}", val.label().unwrap()),
}
}
});
win.make_resizable(true);
win.end();
win.show();
app.run().unwrap();
}
More examples
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fn main() {
let style = Rc::from(RefCell::from(Style::new()));
let app = App::default().with_scheme(Scheme::Gleam);
let mut wind = Window::default()
.with_size(500, 200)
.with_label("Highlight");
let mut vpack = Pack::new(4, 4, 492, 192, "");
vpack.set_spacing(4);
let mut text_editor = TextEditor::default().with_size(492, 163);
let mut hpack = Pack::new(4, 4, 492, 25, "").with_type(PackType::Horizontal);
hpack.set_spacing(8);
let mut font = Choice::default().with_size(130, 25);
let mut choice = Choice::default().with_size(130, 25);
let mut size = Spinner::default().with_size(60, 25);
let mut color = Choice::default().with_size(100, 25);
let mut btn_clear = Button::default().with_size(40, 25).with_label("X");
hpack.end();
vpack.end();
wind.end();
wind.show();
text_editor.wrap_mode(fltk::text::WrapMode::AtBounds, 0);
text_editor.set_buffer(TextBuffer::default());
font.add_choice("Courier|Helvetica|Times");
font.set_value(0);
font.set_tooltip("Font");
choice.add_choice("Normal|Underline|Strike");
choice.set_value(0);
size.set_value(18.0);
size.set_step(1.0);
size.set_range(12.0, 28.0);
size.set_tooltip("Size");
color.set_tooltip("Color");
color.add_choice("#000000|#ff0000|#00ff00|#0000ff|#ffff00|#00ffff");
color.set_value(0);
btn_clear.set_label_color(Color::Red);
btn_clear.set_tooltip("Clear style");
// set colors
for mut item in color.clone() {
if let Some(lbl) = item.label() {
item.set_label_color(Color::from_u32(
u32::from_str_radix(lbl.trim().strip_prefix('#').unwrap(), 16)
.ok()
.unwrap(),
));
}
}
let style_rc1 = Rc::clone(&style);
text_editor.buffer().unwrap().add_modify_callback({
let mut text_editor1 = text_editor.clone();
let font1 = font.clone();
let size1 = size.clone();
let color1 = color.clone();
let choice1 = choice.clone();
move |pos: i32, ins_items: i32, del_items: i32, _: i32, _: &str| {
let attr = if choice1.value() == 1 {
TextAttr::Underline
} else if choice1.value() == 2 {
TextAttr::StrikeThrough
} else {
TextAttr::None
};
if ins_items > 0 || del_items > 0 {
let mut style = style_rc1.borrow_mut();
let color = Color::from_u32(
u32::from_str_radix(
color1
.text(color1.value())
.unwrap()
.trim()
.strip_prefix('#')
.unwrap(),
16,
)
.ok()
.unwrap(),
);
style.apply_style(
Some(pos),
Some(ins_items),
Some(del_items),
None,
None,
Font::by_name(font1.text(font1.value()).unwrap().trim()),
size1.value() as i32,
color,
attr,
&mut text_editor1,
);
}
}
});
color.set_callback({
let size = size.clone();
let font = font.clone();
let choice = choice.clone();
let mut text_editor = text_editor.clone();
let style_rc1 = Rc::clone(&style);
move |color| {
let attr = match choice.value() {
0 => TextAttr::None,
1 => TextAttr::Underline,
2 => TextAttr::StrikeThrough,
_ => unreachable!(),
};
if let Some(buf) = text_editor.buffer() {
if let Some((s, e)) = buf.selection_position() {
let mut style = style_rc1.borrow_mut();
let color = Color::from_u32(
u32::from_str_radix(
color
.text(color.value())
.unwrap()
.trim()
.strip_prefix('#')
.unwrap(),
16,
)
.ok()
.unwrap(),
);
style.apply_style(
None,
None,
None,
Some(s),
Some(e),
Font::by_name(font.text(font.value()).unwrap().trim()),
size.value() as i32,
color,
attr,
&mut text_editor,
);
}
}
}
});
// get the style from the current cursor position
text_editor.handle({
let style_rc1 = Rc::clone(&style);
let mut font1 = font.clone();
let mut size1 = size.clone();
let mut color1 = color.clone();
move |te, e| match e {
Event::KeyUp | Event::Released => {
if let Some(buff) = te.style_buffer() {
let i = te.insert_position();
if let Some(t) = buff.text_range(i, i + 1) {
if !t.is_empty() {
let style = style_rc1.borrow_mut();
if let Some(i) = t.chars().next().map(|c| (c as usize - 65)) {
if let Some(style) = style.style_table.get(i) {
if let Some(mn) = font1.find_item(&format!("{:?}", style.font))
{
font1.set_item(&mn);
}
size1.set_value(style.size as f64);
let (r, g, b) = style.color.to_rgb();
if let Some(mn) =
color1.find_item(format!("{r:02x}{g:02x}{b:02x}").as_str())
{
color1.set_item(&mn);
}
}
}
}
}
}
true
}
_ => false,
}
});
choice.set_callback({
let mut color1 = color.clone();
move |_| color1.do_callback()
});
font.set_callback({
let mut color1 = color.clone();
move |_| color1.do_callback()
});
size.set_callback({
let mut color1 = color.clone();
move |_| color1.do_callback()
});
// clear style of the current selection or, if no text is selected, clear all text style
btn_clear.set_callback({
let style_rc1 = Rc::clone(&style);
let text_editor1 = text_editor.clone();
move |_| {
match text_editor1.buffer().unwrap().selection_position() {
Some((_, _)) => {
font.set_value(0);
size.set_value(18.0);
color.set_value(0);
choice.set_value(0);
color.do_callback();
}
None => {
font.set_value(0);
size.set_value(18.0);
color.set_value(0);
style_rc1.borrow_mut().apply_style(
None,
None,
None,
Some(0),
Some(text_editor1.buffer().unwrap().length()),
Font::Courier,
16,
Color::Black,
TextAttr::None,
&mut text_editor,
);
}
};
}
});
app.run().unwrap();
}
sourcepub fn label_type(&self) -> LabelType
pub fn label_type(&self) -> LabelType
Returns the label type of the menu item
sourcepub fn set_label_type(&mut self, typ: LabelType)
pub fn set_label_type(&mut self, typ: LabelType)
Sets the label type of the menu item
sourcepub fn label_color(&self) -> Color
pub fn label_color(&self) -> Color
Returns the label color of the menu item
sourcepub fn set_label_color(&mut self, color: Color)
pub fn set_label_color(&mut self, color: Color)
Sets the label color of the menu item
Examples found in repository?
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pub fn save_file(&mut self) -> Result<bool, Box<dyn error::Error>> {
match &self.filename {
Some(f) => {
self.buf.save_file(f)?;
self.modified = false;
self.menu
.menu
.find_item("&File/Save\t")
.unwrap()
.deactivate();
self.menu
.menu
.find_item("&File/Quit\t")
.unwrap()
.set_label_color(Color::Black);
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"));
Ok(true)
}
None => self.save_file_as(),
}
}
/** Called by "Save As..." or by "Save" in case no file was set yet.
* Returns true if the file was succesfully saved. */
pub fn save_file_as(&mut self) -> Result<bool, Box<dyn error::Error>> {
let mut dlg = dialog::FileDialog::new(dialog::FileDialogType::BrowseSaveFile);
dlg.set_option(dialog::FileDialogOptions::SaveAsConfirm);
dlg.show();
if dlg.filename().to_string_lossy().to_string().is_empty() {
dialog::alert(center().0 - 200, center().1 - 100, "Please specify a file!");
return Ok(false);
}
self.buf.save_file(&dlg.filename())?;
self.modified = false;
self.menu
.menu
.find_item("&File/Save\t")
.unwrap()
.deactivate();
self.menu
.menu
.find_item("&File/Quit\t")
.unwrap()
.set_label_color(Color::Black);
self.filename = Some(dlg.filename());
self.main_win
.set_label(&format!("{:?} - RustyEd", self.filename.as_ref().unwrap()));
Ok(true)
}
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."),
}
}
}
}
More examples
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fn init_menu(m: &mut menu::SysMenuBar) {
m.add(
"&File/New...\t",
Shortcut::Ctrl | 'n',
menu::MenuFlag::Normal,
menu_cb,
);
m.add(
"&File/Open...\t",
Shortcut::Ctrl | 'o',
menu::MenuFlag::Normal,
menu_cb,
);
m.add(
"&File/Save\t",
Shortcut::Ctrl | 's',
menu::MenuFlag::Normal,
menu_cb,
);
m.add(
"&File/Save as...\t",
Shortcut::Ctrl | 'w',
menu::MenuFlag::MenuDivider,
menu_cb,
);
let idx = m.add(
"&File/Quit\t",
Shortcut::Ctrl | 'q',
menu::MenuFlag::Normal,
menu_cb,
);
m.at(idx).unwrap().set_label_color(Color::Red);
m.add(
"&Edit/Cut\t",
Shortcut::Ctrl | 'x',
menu::MenuFlag::Normal,
menu_cb,
);
m.add(
"&Edit/Copy\t",
Shortcut::Ctrl | 'c',
menu::MenuFlag::Normal,
menu_cb,
);
m.add(
"&Edit/Paste\t",
Shortcut::Ctrl | 'v',
menu::MenuFlag::Normal,
menu_cb,
);
m.add(
"&Help/About\t",
Shortcut::None,
menu::MenuFlag::Normal,
menu_cb,
);
}
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fn main() {
let style = Rc::from(RefCell::from(Style::new()));
let app = App::default().with_scheme(Scheme::Gleam);
let mut wind = Window::default()
.with_size(500, 200)
.with_label("Highlight");
let mut vpack = Pack::new(4, 4, 492, 192, "");
vpack.set_spacing(4);
let mut text_editor = TextEditor::default().with_size(492, 163);
let mut hpack = Pack::new(4, 4, 492, 25, "").with_type(PackType::Horizontal);
hpack.set_spacing(8);
let mut font = Choice::default().with_size(130, 25);
let mut choice = Choice::default().with_size(130, 25);
let mut size = Spinner::default().with_size(60, 25);
let mut color = Choice::default().with_size(100, 25);
let mut btn_clear = Button::default().with_size(40, 25).with_label("X");
hpack.end();
vpack.end();
wind.end();
wind.show();
text_editor.wrap_mode(fltk::text::WrapMode::AtBounds, 0);
text_editor.set_buffer(TextBuffer::default());
font.add_choice("Courier|Helvetica|Times");
font.set_value(0);
font.set_tooltip("Font");
choice.add_choice("Normal|Underline|Strike");
choice.set_value(0);
size.set_value(18.0);
size.set_step(1.0);
size.set_range(12.0, 28.0);
size.set_tooltip("Size");
color.set_tooltip("Color");
color.add_choice("#000000|#ff0000|#00ff00|#0000ff|#ffff00|#00ffff");
color.set_value(0);
btn_clear.set_label_color(Color::Red);
btn_clear.set_tooltip("Clear style");
// set colors
for mut item in color.clone() {
if let Some(lbl) = item.label() {
item.set_label_color(Color::from_u32(
u32::from_str_radix(lbl.trim().strip_prefix('#').unwrap(), 16)
.ok()
.unwrap(),
));
}
}
let style_rc1 = Rc::clone(&style);
text_editor.buffer().unwrap().add_modify_callback({
let mut text_editor1 = text_editor.clone();
let font1 = font.clone();
let size1 = size.clone();
let color1 = color.clone();
let choice1 = choice.clone();
move |pos: i32, ins_items: i32, del_items: i32, _: i32, _: &str| {
let attr = if choice1.value() == 1 {
TextAttr::Underline
} else if choice1.value() == 2 {
TextAttr::StrikeThrough
} else {
TextAttr::None
};
if ins_items > 0 || del_items > 0 {
let mut style = style_rc1.borrow_mut();
let color = Color::from_u32(
u32::from_str_radix(
color1
.text(color1.value())
.unwrap()
.trim()
.strip_prefix('#')
.unwrap(),
16,
)
.ok()
.unwrap(),
);
style.apply_style(
Some(pos),
Some(ins_items),
Some(del_items),
None,
None,
Font::by_name(font1.text(font1.value()).unwrap().trim()),
size1.value() as i32,
color,
attr,
&mut text_editor1,
);
}
}
});
color.set_callback({
let size = size.clone();
let font = font.clone();
let choice = choice.clone();
let mut text_editor = text_editor.clone();
let style_rc1 = Rc::clone(&style);
move |color| {
let attr = match choice.value() {
0 => TextAttr::None,
1 => TextAttr::Underline,
2 => TextAttr::StrikeThrough,
_ => unreachable!(),
};
if let Some(buf) = text_editor.buffer() {
if let Some((s, e)) = buf.selection_position() {
let mut style = style_rc1.borrow_mut();
let color = Color::from_u32(
u32::from_str_radix(
color
.text(color.value())
.unwrap()
.trim()
.strip_prefix('#')
.unwrap(),
16,
)
.ok()
.unwrap(),
);
style.apply_style(
None,
None,
None,
Some(s),
Some(e),
Font::by_name(font.text(font.value()).unwrap().trim()),
size.value() as i32,
color,
attr,
&mut text_editor,
);
}
}
}
});
// get the style from the current cursor position
text_editor.handle({
let style_rc1 = Rc::clone(&style);
let mut font1 = font.clone();
let mut size1 = size.clone();
let mut color1 = color.clone();
move |te, e| match e {
Event::KeyUp | Event::Released => {
if let Some(buff) = te.style_buffer() {
let i = te.insert_position();
if let Some(t) = buff.text_range(i, i + 1) {
if !t.is_empty() {
let style = style_rc1.borrow_mut();
if let Some(i) = t.chars().next().map(|c| (c as usize - 65)) {
if let Some(style) = style.style_table.get(i) {
if let Some(mn) = font1.find_item(&format!("{:?}", style.font))
{
font1.set_item(&mn);
}
size1.set_value(style.size as f64);
let (r, g, b) = style.color.to_rgb();
if let Some(mn) =
color1.find_item(format!("{r:02x}{g:02x}{b:02x}").as_str())
{
color1.set_item(&mn);
}
}
}
}
}
}
true
}
_ => false,
}
});
choice.set_callback({
let mut color1 = color.clone();
move |_| color1.do_callback()
});
font.set_callback({
let mut color1 = color.clone();
move |_| color1.do_callback()
});
size.set_callback({
let mut color1 = color.clone();
move |_| color1.do_callback()
});
// clear style of the current selection or, if no text is selected, clear all text style
btn_clear.set_callback({
let style_rc1 = Rc::clone(&style);
let text_editor1 = text_editor.clone();
move |_| {
match text_editor1.buffer().unwrap().selection_position() {
Some((_, _)) => {
font.set_value(0);
size.set_value(18.0);
color.set_value(0);
choice.set_value(0);
color.do_callback();
}
None => {
font.set_value(0);
size.set_value(18.0);
color.set_value(0);
style_rc1.borrow_mut().apply_style(
None,
None,
None,
Some(0),
Some(text_editor1.buffer().unwrap().length()),
Font::Courier,
16,
Color::Black,
TextAttr::None,
&mut text_editor,
);
}
};
}
});
app.run().unwrap();
}
sourcepub fn label_font(&self) -> Font
pub fn label_font(&self) -> Font
Returns the label font of the menu item
sourcepub fn set_label_font(&mut self, font: Font)
pub fn set_label_font(&mut self, font: Font)
Sets the label font of the menu item
sourcepub fn label_size(&self) -> i32
pub fn label_size(&self) -> i32
Returns the label size of the menu item
sourcepub fn set_label_size(&mut self, sz: i32)
pub fn set_label_size(&mut self, sz: i32)
Sets the label size of the menu item
sourcepub fn activate(&mut self)
pub fn activate(&mut self)
Activates the menu item
Examples found in repository?
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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."),
}
}
}
}
sourcepub fn deactivate(&mut self)
pub fn deactivate(&mut self)
Deactivates the menu item
Examples found in repository?
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pub fn new(args: Vec<String>) -> Self {
let app = app::App::default().with_scheme(app::Scheme::Gtk);
app::background(211, 211, 211);
let (s, r) = app::channel::<Message>();
let mut buf = text::TextBuffer::default();
buf.set_tab_distance(4);
let mut main_win = window::Window::default()
.with_size(800, 600)
.center_screen()
.with_label("RustyEd");
let menu = MyMenu::new(&s);
let modified = false;
menu.menu.find_item("&File/Save\t").unwrap().deactivate();
let mut editor = MyEditor::new(buf.clone());
editor.emit(s, Message::Changed);
main_win.make_resizable(true);
// only resize editor, not the menu bar
main_win.resizable(&*editor);
main_win.end();
main_win.show();
main_win.set_callback(move |_| {
if app::event() == Event::Close {
s.send(Message::Quit);
}
});
let filename = if args.len() > 1 {
let file = path::Path::new(&args[1]);
assert!(
file.exists() && file.is_file(),
"An error occurred while opening the file!"
);
match buf.load_file(&args[1]) {
Ok(_) => Some(PathBuf::from(args[1].clone())),
Err(e) => {
dialog::alert(
center().0 - 200,
center().1 - 100,
&format!("An issue occured while loading the file: {e}"),
);
None
}
}
} else {
None
};
// Handle drag and drop
editor.handle({
let mut dnd = false;
let mut released = false;
let buf = buf.clone();
move |_, ev| match ev {
Event::DndEnter => {
dnd = true;
true
}
Event::DndDrag => true,
Event::DndRelease => {
released = true;
true
}
Event::Paste => {
if dnd && released {
let path = app::event_text();
let path = path.trim();
let path = path.replace("file://", "");
let path = std::path::PathBuf::from(&path);
if path.exists() {
// we use a timeout to avoid pasting the path into the buffer
app::add_timeout3(0.0, {
let mut buf = buf.clone();
move |_| match buf.load_file(&path) {
Ok(_) => (),
Err(e) => dialog::alert(
center().0 - 200,
center().1 - 100,
&format!("An issue occured while loading the file: {e}"),
),
}
});
}
dnd = false;
released = false;
true
} else {
false
}
}
Event::DndLeave => {
dnd = false;
released = false;
true
}
_ => false,
}
});
// What shows when we attempt to print
let mut printable = text::TextDisplay::default();
printable.set_frame(FrameType::NoBox);
printable.set_scrollbar_size(0);
printable.set_buffer(Some(buf.clone()));
Self {
app,
modified,
filename,
r,
main_win,
menu,
buf,
editor,
printable,
}
}
/** Called by "Save", test if file can be written, otherwise call save_file_as()
* afterwards. Will return true if the file is succesfully saved. */
pub fn save_file(&mut self) -> Result<bool, Box<dyn error::Error>> {
match &self.filename {
Some(f) => {
self.buf.save_file(f)?;
self.modified = false;
self.menu
.menu
.find_item("&File/Save\t")
.unwrap()
.deactivate();
self.menu
.menu
.find_item("&File/Quit\t")
.unwrap()
.set_label_color(Color::Black);
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"));
Ok(true)
}
None => self.save_file_as(),
}
}
/** Called by "Save As..." or by "Save" in case no file was set yet.
* Returns true if the file was succesfully saved. */
pub fn save_file_as(&mut self) -> Result<bool, Box<dyn error::Error>> {
let mut dlg = dialog::FileDialog::new(dialog::FileDialogType::BrowseSaveFile);
dlg.set_option(dialog::FileDialogOptions::SaveAsConfirm);
dlg.show();
if dlg.filename().to_string_lossy().to_string().is_empty() {
dialog::alert(center().0 - 200, center().1 - 100, "Please specify a file!");
return Ok(false);
}
self.buf.save_file(&dlg.filename())?;
self.modified = false;
self.menu
.menu
.find_item("&File/Save\t")
.unwrap()
.deactivate();
self.menu
.menu
.find_item("&File/Quit\t")
.unwrap()
.set_label_color(Color::Black);
self.filename = Some(dlg.filename());
self.main_win
.set_label(&format!("{:?} - RustyEd", self.filename.as_ref().unwrap()));
Ok(true)
}
Returns whether a menu item is a submenu
sourcepub fn is_checkbox(&self) -> bool
pub fn is_checkbox(&self) -> bool
Returns whether a menu item is a checkbox
Get the submenu count
sourcepub unsafe fn user_data(&self) -> Option<Box<dyn FnMut()>>
pub unsafe fn user_data(&self) -> Option<Box<dyn FnMut()>>
Get the user data
Safety
Can return multiple mutable instances of the user data, which has a different lifetime than the object
sourcepub fn set_callback<F: FnMut(&mut Choice) + 'static>(&mut self, cb: F)
pub fn set_callback<F: FnMut(&mut Choice) + 'static>(&mut self, cb: F)
Set a callback for the menu item
sourcepub fn emit<T: 'static + Clone + Send + Sync>(
&mut self,
sender: Sender<T>,
msg: T
)
pub fn emit<T: 'static + Clone + Send + Sync>( &mut self, sender: Sender<T>, msg: T )
Use a sender to send a message during callback
sourcepub fn was_deleted(&self) -> bool
pub fn was_deleted(&self) -> bool
Check if a menu item was deleted
sourcepub fn draw<M: MenuExt>(
&self,
x: i32,
y: i32,
w: i32,
h: i32,
menu: &M,
selected: bool
)
pub fn draw<M: MenuExt>( &self, x: i32, y: i32, w: i32, h: i32, menu: &M, selected: bool )
Draw a box around the menu item. Requires the call to be made inside a MenuExt-implementing widget’s own draw method
sourcepub fn add_image<I: ImageExt>(&mut self, image: Option<I>, on_left: bool)
pub fn add_image<I: ImageExt>(&mut self, image: Option<I>, on_left: bool)
Add an image to a menu item
use fltk::{prelude::*, *};
const PXM: &[&str] = &[
"13 11 3 1",
" c None",
"x c #d8d833",
"@ c #808011",
" ",
" @@@@ ",
" @xxxx@ ",
"@@@@@xxxx@@ ",
"@xxxxxxxxx@ ",
"@xxxxxxxxx@ ",
"@xxxxxxxxx@ ",
"@xxxxxxxxx@ ",
"@xxxxxxxxx@ ",
"@xxxxxxxxx@ ",
"@@@@@@@@@@@ "
];
let image = image::Pixmap::new(PXM).unwrap();
let mut menu = menu::MenuBar::default();
menu.add(
"&File/Open...\t",
enums::Shortcut::Ctrl | 'o',
menu::MenuFlag::Normal,
|_| println!("Opened file!"),
);
if let Some(mut item) = menu.find_item("&File/Open...\t") {
item.add_image(Some(image), true);
}
sourcepub fn add<F: FnMut(&mut Choice) + 'static>(
&mut self,
name: &str,
shortcut: Shortcut,
flag: MenuFlag,
cb: F
) -> i32
pub fn add<F: FnMut(&mut Choice) + 'static>( &mut self, name: &str, shortcut: Shortcut, flag: MenuFlag, cb: F ) -> i32
Add a menu item
sourcepub fn insert<F: FnMut(&mut Choice) + 'static>(
&mut self,
idx: i32,
name: &str,
shortcut: Shortcut,
flag: MenuFlag,
cb: F
) -> i32
pub fn insert<F: FnMut(&mut Choice) + 'static>( &mut self, idx: i32, name: &str, shortcut: Shortcut, flag: MenuFlag, cb: F ) -> i32
Insert a menu item
sourcepub fn add_emit<T: 'static + Clone + Send + Sync>(
&mut self,
label: &str,
shortcut: Shortcut,
flag: MenuFlag,
sender: Sender<T>,
msg: T
) -> i32
pub fn add_emit<T: 'static + Clone + Send + Sync>( &mut self, label: &str, shortcut: Shortcut, flag: MenuFlag, sender: Sender<T>, msg: T ) -> i32
Add a menu item along with an emit (sender and message).
sourcepub fn insert_emit<T: 'static + Clone + Send + Sync>(
&mut self,
idx: i32,
label: &str,
shortcut: Shortcut,
flag: MenuFlag,
sender: Sender<T>,
msg: T
) -> i32
pub fn insert_emit<T: 'static + Clone + Send + Sync>( &mut self, idx: i32, label: &str, shortcut: Shortcut, flag: MenuFlag, sender: Sender<T>, msg: T ) -> i32
Insert a menu item along with an emit (sender and message).
sourcepub fn set_shortcut(&mut self, shortcut: Shortcut)
pub fn set_shortcut(&mut self, shortcut: Shortcut)
Set the menu item’s shortcut