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// Copyright 2018, The Gtk-rs Project Developers.
// See the COPYRIGHT file at the top-level directory of this distribution.
// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>

use gdk_sys;
use glib::translate::*;

#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct EventTouchpadPinch(::Event);

event_wrapper!(EventTouchpadPinch, GdkEventTouchpadPinch);
event_subtype!(EventTouchpadPinch, gdk_sys::GDK_TOUCHPAD_PINCH);

impl EventTouchpadPinch {
    pub fn is_phase(&self) -> bool {
        from_glib(self.as_ref().phase as _)
    }

    pub fn get_n_fingers(&self) -> i8 {
        self.as_ref().n_fingers
    }

    pub fn get_time(&self) -> u32 {
        self.as_ref().time
    }

    pub fn get_position(&self) -> (f64, f64) {
        let x = self.as_ref().x;
        let y = self.as_ref().y;
        (x, y)
    }

    pub fn get_delta(&self) -> (f64, f64) {
        let dx = self.as_ref().dx;
        let dy = self.as_ref().dy;
        (dx, dy)
    }

    pub fn get_angle_delta(&self) -> f64 {
        self.as_ref().angle_delta
    }

    pub fn get_scale(&self) -> f64 {
        self.as_ref().scale
    }

    pub fn get_root(&self) -> (f64, f64) {
        let x_root = self.as_ref().x_root;
        let y_root = self.as_ref().y_root;
        (x_root, y_root)
    }

    pub fn get_state(&self) -> ::ModifierType {
        from_glib(self.as_ref().state)
    }
}