Function fltk::app::event_coords
source · pub fn event_coords() -> (i32, i32)Expand description
Returns the x and y coordinates of the captured event
Examples found in repository?
examples/popup_browser.rs (line 31)
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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
examples/paint.rs (line 55)
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pub fn new(w: i32, h: i32) -> Self {
let mut frame = Frame::default().with_size(w, h).center_of_parent();
frame.set_color(Color::White);
frame.set_frame(FrameType::DownBox);
let surf = ImageSurface::new(frame.width(), frame.height(), false);
ImageSurface::push_current(&surf);
draw_rect_fill(0, 0, w, h, Color::White);
ImageSurface::pop_current();
let surf = Rc::from(RefCell::from(surf));
frame.draw({
let surf = surf.clone();
move |f| {
let surf = surf.borrow();
let mut img = surf.image().unwrap();
img.draw(f.x(), f.y(), f.w(), f.h());
}
});
frame.handle({
let mut x = 0;
let mut y = 0;
let surf = surf.clone();
move |f, ev| {
// println!("{}", ev);
// println!("coords {:?}", app::event_coords());
// println!("get mouse {:?}", app::get_mouse());
let surf = surf.borrow_mut();
match ev {
Event::Push => {
ImageSurface::push_current(&surf);
set_draw_color(Color::Red);
set_line_style(LineStyle::Solid, 3);
let coords = app::event_coords();
x = coords.0;
y = coords.1;
draw_point(x, y);
ImageSurface::pop_current();
f.redraw();
true
}
Event::Drag => {
ImageSurface::push_current(&surf);
set_draw_color(Color::Red);
set_line_style(LineStyle::Solid, 3);
let coords = app::event_coords();
draw_line(x, y, coords.0, coords.1);
x = coords.0;
y = coords.1;
ImageSurface::pop_current();
f.redraw();
true
}
_ => false,
}
}
});
Self { frame, surf }
}examples/pong.rs (line 60)
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fn main() {
let app = app::App::default();
let mut wind = window::Window::default()
.with_size(800, 600)
.center_screen()
.with_label("Pong!");
let mut ball = Ball::new(40, 40);
ball.wid.set_color(enums::Color::White);
wind.set_color(enums::Color::Black);
wind.end();
wind.show();
let paddle_pos = Rc::from(RefCell::from(320)); // paddle's starting x position
// This is called whenever the window is drawn and redrawn (in the event loop)
wind.draw({
let paddle_pos = paddle_pos.clone();
move |_| {
draw::set_draw_color(enums::Color::White);
draw::draw_rectf(*paddle_pos.borrow(), 540, 160, 20);
}
});
wind.handle({
let paddle_pos = paddle_pos.clone();
move |_, ev| {
match ev {
enums::Event::Move => {
// Mouse's x position relative to the paddle's center
*paddle_pos.borrow_mut() = app::event_coords().0 - 80;
true
}
_ => false,
}
}
});
app::add_idle3(move |_| {
ball.pos.0 += 10 * ball.dir.0 as i32; // The increment in x position
ball.pos.1 += 10 * ball.dir.1 as i32; // The increment in y position
if ball.pos.1 == 540 - 40
&& (ball.pos.0 > *paddle_pos.borrow() - 40 && ball.pos.0 < *paddle_pos.borrow() + 160)
{
ball.dir.1 = Direction::Negative; // Reversal of motion when hitting the paddle
}
if ball.pos.1 == 0 {
ball.dir.1 = Direction::Positive; // Reversal of motion when hitting the top border
}
if ball.pos.0 == 800 - 40 {
ball.dir.0 = Direction::Negative; // Reversal of motion when hitting the right border
}
if ball.pos.0 == 0 {
ball.dir.0 = Direction::Positive; // Reversal of motion when hitting the left border
}
if ball.pos.1 > 600 {
// Resetting the ball position after it bypasses the paddle
ball.pos = (0, 0);
ball.dir = (Direction::Positive, Direction::Positive);
}
ball.wid.resize(ball.pos.0, ball.pos.1, 40, 40); // Moves the ball
wind.redraw();
// sleeps are necessary when calling redraw in the event loop
app::sleep(0.016);
});
app.run().unwrap();
}examples/shapedwindow_taskbar.rs (line 60)
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fn main() {
let app = app::App::default();
// Act as the application in the taskbar (scroll to event handling)
let mut dock_win = window::Window::default()
.with_size(1, 1) // So we can place it at the center of the screen (needs a size >0 to be centered)
.with_label("TestApplication")
.center_screen();
dock_win.size_range(0, 0, 0, 0);
dock_win.make_resizable(false);
dock_win.show();
dock_win.end();
let mut win = window::Window::default()
.with_size(900, 500)
.with_label("TestApplication")
.center_screen();
win.set_color(enums::Color::from_rgb(26, 25, 55));
let mut but = button::Button::default()
.with_label("Button")
.with_size(80, 80)
.center_of_parent();
but.set_frame(enums::FrameType::OFlatFrame);
but.set_color(enums::Color::Cyan);
but.clear_visible_focus();
but.set_callback(|_| println!("Clicked"));
win.show();
win.end();
let win_shape = prep_shape(win.w(), win.h());
// Called after showing window
win.set_shape(Some(win_shape));
win.handle({
let mut x = 0;
let mut y = 0;
let mut dock_win = dock_win.clone();
move |wself, event| match event {
enums::Event::Push => {
let coords = app::event_coords();
x = coords.0;
y = coords.1;
true
}
enums::Event::Drag => {
wself.set_pos(app::event_x_root() - x, app::event_y_root() - y);
// Changing dock window position so it's close enough to the center of the application (not "visible" to user)
dock_win.set_pos(wself.x() + (wself.w() / 2), wself.y() + (wself.w() / 2));
true
}
enums::Event::Close => {
app.quit();
true
}
enums::Event::Hide => {
app.quit();
true
}
_ => false,
}
});
// Make main window appear when "opened" via Alt+Tab or Taskbar
dock_win.handle({
let mut win = win.clone();
move |_wself, event| match event {
enums::Event::Focus => {
let win_shape = prep_shape(win.w(), win.h());
win.show();
win.set_shape(Some(win_shape));
true
}
enums::Event::Hide => {
win.hide();
true
}
enums::Event::Close => {
app.quit();
true
}
_ => false,
}
});
app.run().unwrap();
}examples/tree.rs (line 53)
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fn new(x: i32, y: i32, width: i32, height: i32, title: &'static str) -> Self {
let mut t_widget = Tree::new(x, y, width, height, title);
let previous_focus = Rc::new(RefCell::new(None::<TreeItem>));
let pfr = Rc::clone(&previous_focus);
t_widget.set_callback_reason(TreeReason::Selected);
t_widget.set_callback(|_t| println!("clicked an item"));
t_widget.handle(move |t, e| match e {
Event::Move => {
let (_, mouse_y) = app::event_coords();
let mut state = State::Undefined;
let mut pf = pfr.borrow_mut();
loop {
match &*pf {
Some(item) => {
let item_y = item.y();
match state {
State::MovingUp => {
if verify_open_till_root(&pf) {
if mouse_y < item_y {
*pf = pf.as_ref().unwrap().prev();
continue;
};
break;
} else {
*pf = pf.as_ref().unwrap().prev();
continue;
}
}
State::MovingDown => {
if verify_open_till_root(&pf) {
if mouse_y > item_y + item.h() {
*pf = pf.as_ref().unwrap().next();
continue;
};
break;
} else {
*pf = pf.as_ref().unwrap().next();
continue;
}
}
State::Undefined => {
if mouse_y < item_y {
*pf = pf.as_ref().unwrap().prev();
state = State::MovingUp;
continue;
};
if mouse_y > item_y + item.h() {
*pf = pf.as_ref().unwrap().next();
state = State::MovingDown;
continue;
};
return true; // If in same range, don't update 'previous_focus'
}
}
}
// End up here if y is outside tree boundaries, or no tree item is present
None => match &state {
State::MovingUp | State::MovingDown => return true,
State::Undefined => {
*pf = t.first();
state = State::MovingDown;
if pf.is_none() {
return true;
}
continue;
}
},
};
}
if verify_open_till_root(&pf) {
t.take_focus().ok();
t.set_item_focus(pf.as_ref().unwrap());
println!("Set focus to item: {:?}", pf.as_ref().unwrap().label());
}
true
}
_ => false,
});
Self {
t_widget,
previous_focus,
}
}